Patent application number | Description | Published |
20110243091 | USER EQUIPMENT, METHOD FOR DETERMINING RESOURCE, METHOD FOR REPORTING RESOURCE, AND SYSTEM FOR DISTRIBUTING RESOURCE - A User Equipment (UE), a method for determining a resource, a method for reporting a resource, and a system for distributing a resource are provided. The method for determining a resource includes: if transmission data on the carrier reaches maximum transmission data supported in a scope allowed by Service Grant (SG), and a transmission power of the UE is capable of improving a data transmission rate of the carrier, and the carrier and the other one carrier of the dual carriers are incapable of completing transmitting total buffer status data in the same delay period, determining that a resource distributed to a UE on one carrier of dual carriers of the UE is insufficient; otherwise, determining that the resource distributed for the UE on the carrier is sufficient. Therefore, a solution for reporting the resource of the dual carriers is provided, so as to improve a network performance. | 10-06-2011 |
20120002624 | COMMUNICATION METHOD AND SYSTEM USING UPLINK MULTIPLE INPUT MULTIPLE OUTPUT TECHNOLOGY - The present invention discloses a communication method and system using MIMO technology. The communication method includes: a network side device determines whether a UE uses a single-stream mode or a multi-stream mode as an uplink data transmission mode; and the network side device notifies the UE of indication information indicating the determined uplink data transmission mode. The communication method and system help the UE to use a specific uplink data transmission mode in combination with various factors, therefore reducing a delay of an uplink data transmission, improving an uplink data transmission speed, thereby meeting development needs of uplink high-speed data communication services of the UE. | 01-05-2012 |
20120039327 | POWER CONTROL METHOD AND DEVICE - A power control method and device are used for achieving transmit power control of a User Equipment (UE) in a multi-carrier mode. The power control method includes: calculating a transmit power of a UE when the UE sends data through a plurality of carriers; and performing power compression on each carrier either step by step according to property parameters of each carrier or synchronously according to a compression ratio, when the transmit power of the UE exceeds a preset maximum transmit power. A power control device is further provided. | 02-16-2012 |
20120057544 | METHOD, DEVICE, AND SYSTEM FOR MANAGING UPLINK CARRIER FREQUENCIES - A method for managing uplink carrier frequencies is provided, which is applicable to the field of communication. The method includes the following steps: A state switching response message sent by a UE is received, where the state switching response message includes a result of state switching performed by on a secondary uplink carrier serving cell; The result of the state switching is notified to a secondary uplink carrier non-serving cell in a secondary carrier active set through an RNC. A device and a system for managing uplink carrier frequencies are further provided. Through the method, device, and system provided in embodiments of the present invention, the uplink carrier frequencies are managed, so as to facilitate transmission of uplink data during multi-cell collaboration. | 03-08-2012 |
20120057554 | METHOD, DEVICE, AND SYSTEM FOR MANAGING UPLINK CARRIER FREQUENCIES - A method for managing uplink carrier frequencies is provided, which is applicable to the field of communication. The method includes the following steps: A state switching response message sent by a UE is received, where the state switching response message includes a result of state switching performed by on a secondary uplink carrier serving cell; The result of the state switching is notified to a secondary uplink carrier non-serving cell in a secondary carrier active set through an RNC. A device and a system for managing uplink carrier frequencies are further provided. Through the method, device, and system provided in embodiments of the present invention, the uplink carrier frequencies are managed, so as to facilitate transmission of uplink data during multi-cell collaboration. | 03-08-2012 |
20120071186 | METHOD AND APPARATUS FOR RANDOM ACCESS - A method and an apparatus for random access are provided. The method includes: receiving, by a User Equipment (UE), an access indication message including a UE identifier (ID) and a corresponding resource number (101); sending a Dedicated Physical Control Channel (DPCCH) preamble by using an uplink resource corresponding to the resource number and preset initial transmit power (102); and if it is determined that an acquisition indication is received, determining, by the UE, that an access succeeds (103). Therefore, the reliability of information transmission is ensured, the delay in an access process is reduced, and fast implementation of uplink search is ensured. | 03-22-2012 |
20120147859 | Method and Apparatus for Random Access - Method and apparatus for random access are provided. A base station sends access control information to a UE. The access control information includes an identifier of the UE and an access control command. The UE obtains an access time slot and a preamble signature according to the access control information received from the bases station. Then the UE initiate, according to the access time slot and the preamble signature, a random access procedure with a preamble power ramping. With the embodiments of the present invention, time delay in random access procedures may be decreased so as to enable the UE to complete the uplink access as quickly as possible and provide a feedback for a downlink transmission. Therefore efficiencies of the downlink transmission are enhanced. | 06-14-2012 |
20120236909 | PILOT SENDING METHOD AND APPARATUS - Embodiments of the present invention provide a pilot sending method and an apparatus, which relate to the communication field and can save network resources. The solution is: performing spreading on at least two signature sequences by using a spreading code, where each signature sequence of the at least two signature sequences corresponds to at least one user equipment (UE), and is used as a dedicated pilot of at least one data stream of the at least one UE, and the dedicated pilot is used by the UE to perform precoding matrix estimation; and performing precoding on the spread signature sequences, and sending the precoded spread signature sequences to the UE. The embodiments of the present invention are applicable to the sending of pilots in MU-MIMO. | 09-20-2012 |
20120263081 | METHOD AND APPARATUS FOR INDICATING MU-MIMO MODE - The present invention relates to the field of telecommunications, and discloses a method for indicating an MU-MIMO mode. In this method, first part information and second part information are constructed and sent, where formats of the first part information and the second part information indicate an MU-MIMO mode. The present invention further discloses an apparatus for indicating an MU-MIMO mode. With the method and apparatus for indicating an MU-MIMO mode, where the method and apparatus for indicating an MU-MIMO mode are disclosed in the present invention, a UE may be notified of being configured with an MU-MIMO mode when MU-MIMO is applied in a UMTS system. | 10-18-2012 |
20130083807 | Resource Release Method, Communication Equipment, and Network System - A method, a UE and a communications system for releasing resources are disclosed. When the UE is in a CELL_FACH state, a resource release indication is transmitted from a network equipment to the UE to instruct the UE to release HS-RACH resources on the UE. Upon receiving the resource release indication, the UE releases previously allocate HS-RACH resources on the UE. | 04-04-2013 |
20130136077 | USER EQUIPMENT, METHOD FOR DETERMINING RESOURCE, METHOD FOR REPORTING RESOURCE, AND SYSTEM FOR DISTRIBUTING RESOURCE - A User Equipment (UE), a method for determining a resource, a method for reporting a resource, and a system for distributing a resource are provided. The method for determining a resource includes: if transmission data on the carrier reaches maximum transmission data supported in a scope allowed by Service Grant (SG), and a transmission power of the UE is capable of improving a data transmission rate of the carrier, and the carrier and the other one carrier of the dual carriers are incapable of completing transmitting total buffer status data in the same delay period, determining that a resource distributed to a UE on one carrier of dual carriers of the UE is insufficient; otherwise, determining that the resource distributed for the UE on the carrier is sufficient. Therefore, a solution for reporting the resource of the dual carriers is provided, so as to improve a network performance. | 05-30-2013 |
20130242839 | Method and Apparatus for Controlling Channel Transmission Status - A method and an apparatus for controlling a channel transmission status, can be used in the communication field. The method includes receiving a command for controlling activation of a secondary carrier. Within a preset delay time after the secondary carrier is activated, a channel transmission status corresponding to the secondary carrier to a continuous transmission status can be set. | 09-19-2013 |
20140092875 | POWER CONTROL METHOD AND DEVICE - A power control method and device are used for achieving transmit power control of a User Equipment (UE) in a multi-carrier mode. The power control method includes: calculating a transmit power of a UE when the UE sends data through a plurality of carriers; and performing power compression on each carrier either step by step according to property parameters of each carrier or synchronously according to a compression ratio, when the transmit power of the UE exceeds a preset maximum transmit power. A power control device is further provided. | 04-03-2014 |
20140153554 | Method and Apparatus for Allocating Resource and Method and Apparatus for Acquiring Resource - Embodiments of the present disclosure disclose a method and apparatus for allocating resource and a method and apparatus for acquiring resource. The method for allocating resource includes: allocating an F-PCICH resource to a UE, where the F-PCICH resource includes F-PCICH configuration information; and sending the F-PCICH configuration information to the UE through first control information, where the first control information is corresponding to an F-PCICH resource index number, and the F-PCICH resource index number is corresponding to the F-PCICH configuration information. This enables the UE to acquire the F-PCICH resource, so that a UL CLTD technology can be applied. | 06-05-2014 |
20140177566 | METHOD, BASE STATION, AND USER EQUIPMENT FOR ACTIVATING OR DEACTIVATING CARRIER - Embodiments of the present invention provide a method, a base station, and a user equipment for activating or deactivating a carrier. The method includes the following: A base station determines to activate or deactivate at least one secondary carrier used to communication with a user equipment and transmits a High Speed Shared Control Channel HS-SCCH order to the user equipment, where the HS-SCCH order carries indication information used to indicate activation or deactivation of the at least one secondary carrier. In the embodiments of the present invention, a user equipment is capable of correctly activating or deactivating a carrier. | 06-26-2014 |
20140286320 | METHOD AND APPARATUS FOR INDICATING TRANSMISSION TIME INTERVAL - Embodiments of the present invention disclose a method and an apparatus for indicating a transmission time interval. The implementation solutions of the method includes: receiving an access preamble from a user equipment UE, where the access preamble carries a signature; determining whether a cell where the UE is located is configured with an extended acquisition indicator EAI, and sending, on an acquisition indicator channel AICH of an access timeslot corresponding to an access timeslot where the access preamble is received, an acquisition indicator AI corresponding to the signature of the access preamble. Therefore, the problem that the judging condition of EAI configured is always YES is solved; the UE access delay may be reduced; the number of preambles sent by the UE may be reduced; and interference on the uplink may be reduced. | 09-25-2014 |
20140301314 | USER EQUIPMENT, METHOD FOR DETERMINING RESOURCE, METHOD FOR REPORTING RESOURCE, AND SYSTEM FOR DISTRIBUTING RESOURCE - A method, a user equipment (UE) and a communication system are provided. In the disclosure, a UE configured with multiple carriers determines whether a first, a second, and a third conditions are met, and then determines whether resources allocated for the UE on the carrier are sufficient or not accordingly. The first condition defines that the UE is transmitting as much scheduled data as allowed by a current service grant on the carrier. The second condition indicates that the UE has enough transmission power available to transmit data at higher data rate on the carrier. The third condition indicates total buffer data requires more than a preconfigured time period to be transmitted through the carrier together with at least one of other carriers among the multiple carriers. | 10-09-2014 |
20140307666 | METHOD AND APPARATUS FOR CONTROLLING SERVING GRANT OF USER TERMINAL OF NEIGHBORING CELL - Embodiments of the present invention provide a method, an apparatus, and a system for controlling a serving grant of a user terminal (UE) of a neighboring cell. The method is used for controlling a UE in a CELL-FACH state or in an idle state of a neighboring cell through a common E-RGCH. The method includes: obtaining a control command by monitoring the common E-RGCH of the neighboring cell; determining whether the UE satisfies at least one further configured controlled condition; and when the UE satisfies the at least one controlled condition, adjusting the serving grant of the UE based on the obtained control command. Through the method and the apparatus according to the embodiments of the present invention, throughput of the UE may be prevented from being reduced excessively, thereby improving communication performance. | 10-16-2014 |
20140307668 | DATA TRANSMISSION METHOD, BASE STATION, AND USER EQUIPMENT - Embodiments of the present invention provide a data transmission method. The method includes: obtaining a slot format of a F-DPCH used for a UE; receiving an ACK message that is sent by a base station on an AICH; determining an F-DPCH frame offset τ | 10-16-2014 |
20140341155 | Transmission Time Interval Selection Method And User Equipment - Embodiments of the present invention disclose methods for transmission time interval selection, which, in one embodiment, includes obtaining, by a UE, a power margin according to set transmission power of a current random access preamble, and selecting a corresponding type of TTI according to the power margin. In the method according to the embodiment, because the obtained power margin is obtained according to actual transmission power of the current random access preamble, the power margin is more accurate and selection of a TTI type of an E-DCH resource according to the power margin is more effective. In various embodiments, the present invention further discloses a user equipment. | 11-20-2014 |
20140348112 | METHOD FOR PROCESSING SERVING GRANT VALUE, USER EQUIPMENT AND NETWORK DEVICE - Embodiments of the present invention provide a method for processing a serving grant value, a user equipment and a network device, so that it can prevent a serving grant value of a UE from being excessively low. The method includes: taking, by a user equipment, a maximum value of historical values of a power ratio of a data channel to a control channel as a maximum power ratio value after receiving a non-serving relative grant down command sent by a network device; and obtaining, by the user equipment, a first serving grant value according to the maximum power ratio value and a first threshold, where the first threshold is a threshold of a serving grant value or a threshold of the power ratio of the data channel to the control channel. | 11-27-2014 |
20150085807 | COMMUNICATION METHOD AND SYSTEM USING UPLINK MULTIPLE INPUT MULTIPLE OUTPUT TECHNOLOGY - The present invention discloses a communication method and system using MIMO technology. The communication method includes: a network side device determines whether a UE uses a single-stream mode or a multi-stream mode as an uplink data transmission mode; and the network side device notifies the UE of indication information indicating the determined uplink data transmission mode. The communication method and system help the UE to use a specific uplink data transmission mode in combination with various factors, therefore reducing a delay of an uplink data transmission, improving an uplink data transmission speed, thereby meeting development needs of uplink high-speed data communication services of the UE. | 03-26-2015 |
Patent application number | Description | Published |
20100025224 | APPARATUS AND PROCESS FOR METAL OXIDES AND METAL NANOPARTICLES SYNTHESIS - The present invention provides an approach to control the generation and grow of nanocrystal with membrane diffusion method and related apparatuses to produce inorganic oxide nanopowders and metal nanoparticles. With this method, the size and size distribution of inorganic oxide nanopowders and metal nanoparticles can be tuned. It overcomes the shortcomings possessed by the common chemical and physical method of preparing nanoparticles. | 02-04-2010 |
20100067410 | METHOD FOR TRANSMITTING UPLINK SOUNDING REFERENCE SIGNAL FOR LTE SYSTEM - A method for transmitting an uplink sounding reference signal includes indexing Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols within a single radio frame for transmitting a Sounding Reference Signal (SRS) as a number k, and calculating a value of n | 03-18-2010 |
20100266061 | METHOD AND DEVICE FOR PRE-CODING IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM - A signal processing method in an MIMO multi-carrier system is disclosed comprising: receiving by a receiver signals of a plurality of sub-carriers transmitted from a transmitter; dividing the sub-carriers into a plurality of sub-carrier blocks according to the correlation between adjacent sub-carriers, each sub-carrier block containing K sub-carriers; selecting a feedback sub-carrier pre-coding matrix ( ) and a rotation matrix ( ) for each sub-carrier block, and then sending the information on the pre-coding matrix and the rotation matrix back to the transmitting end. The present invention provides the method and device for effectively settling the feedback problem in an MIMO/OFDMA system, thereby greatly reducing the number of pre-coding weight matrices needed to feed back to the transmitting device. | 10-21-2010 |
20100290372 | METHOD FOR MULTIPLE TDD SYSTEMS COEXISTENCE - The method for multiple TDD systems coexistence comprising steps of: a newly deployed system calculating a relative time offset Δt for a corresponding frame; the newly deployed system transmitting uplink and downlink signals based on a time reference information obtained by a summation of the relative time offset Δt and a time reference of an existing system. With the method proposed in present invention, uplink and downlink interference from adjacent frequency bands and from adjacent carriers in the same frequency band can be greatly reduced and a transmission time utility can be guaranteed for a newly deployed system. | 11-18-2010 |
20110235682 | Method and apparatus for determining reference signals in mobile communication system - Embodiments of the present invention provide a method and an apparatus for determining reference signals. A User Equipment (UE) obtains group hopping information and/or sequence hopping information of a UE-specific reference signal from cell-specific system information broadcasted by an eNB. The UE receives UE-specific control information transmitted by the eNB to the UE. The UE generates a UE-specific reference signal of a first slot according to the group hopping information and/or sequence hopping information of the broadcasted cell-specific reference signal. If the UE-specific control information indicates that group hopping and/or sequence hopping of UE-specific reference signals is disabled, the UE generates a UE-specific reference signal of a second slot in a same frame with the first slot according to the UE-specific reference signal of the first slot. The UE is able to determine the reference signals when multiple UEs share physical resource blocks. | 09-29-2011 |
20110286904 | APPARATUS AND PROCESS FOR METAL OXIDES AND METAL NANOPARTICLES SYNTHESIS - The present invention provides an approach to control the generation and grow of nanocrystal with membrane diffusion method and related apparatuses to produce inorganic oxide nanopowders and metal nanoparticles. With this method, the size and size distribution of inorganic oxide nanopowders and metal nanoparticles can be tuned. It overcomes the shortcomings possessed by the common chemical and physical method of preparing nanoparticles. | 11-24-2011 |
20120063371 | METHOD FOR TRANSMITTING UPLINK SOUNDING REFERENCE SIGNAL FOR LTE SYSTEM - Disclosed are a method and apparatus for transmitting an uplink Sounding Reference Signal (SRS), the method including identifying a number of downlink and uplink switch points within a radio frame N | 03-15-2012 |
20120230273 | METHOD FOR INDICATING HYBRID AUTOMATIC REPEAT REQUEST TIMING RELATION - A method for indicating HARQ timing relation is provided by the present disclosure. First, an evolved NodeB (eNB) notifies a user equipment (UE) to enable an uplink/downlink subframe dynamic conversion function. Second, the eNB converts uplink and downlink subframes dynamically, and notifies the UE of the HARQ timing relation corresponding to the converted uplink/downlink subframe configuration. Finally, the eNB and UE communicate with each other according to the said HARQ timing relation. The dynamic flexible subframe is highly efficiently used in the present disclosure, and the object of changing the frame structure dynamically according to data service change more accurately and timely can be reached. | 09-13-2012 |
20130016707 | APPARATUS AND METHOD FOR TRANSMITTING UPLINK SCHEDULING REQUEST IN MOBILE COMMUNICATION SYSTEMAANM He; HongAACI BeijingAACO CNAAGP He; Hong Beijing CNAANM Li; YingyangAACI BeijingAACO CNAAGP Li; Yingyang Beijing CNAANM Sun; ChengjunAACI BeijingAACO CNAAGP Sun; Chengjun Beijing CN - A method and apparatus for transmitting an uplink Scheduling Request (SR) are provided. The method includes, obtaining a SR subframe configuration by receiving signaling, and transmitting SR information to a Base Station (BS) by using physical resources of another non-SR channel for transmitting other uplink control information. By applying the present invention, the SR, ACKnowledgement/Non-ACKnowledgement (ACK/NACK) or Channel Quality Indicator (CQI) information is returned to a BS when low Constant Modulus (CM) characteristic of an uplink Component Carrier (CC) is ensured. | 01-17-2013 |
20130021921 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION - A method for transmitting uplink control information includes: determining, by a User Equipment (UE), configuration information of its Component Carrier (CC); receiving, by UE, a downlink data packet of each CC, and generating acknowledgement/negative acknowledgement ACK/NACK information of the CC to be fed back for each CC independently; and determining indicator information for indicating the ACK/NACK information of the UE that is to be fed back to an evolved Node-B eNB and a channel resource for sending the indicator information according to the configuration information of its CC and whether it is required to send a Scheduling Requirement (SR) information, and sending an indicator message using the determined channel resource. | 01-24-2013 |
20130114572 | UPLINK SYNCHRONIZATION WITH MULTIPLE TIMING ADVANCES IN A WIRELESS COMMUNICATION ENVIRONMENT - Technology for synchronization of uplink transmission with multiple timing advances in a wireless communication environment is disclosed. Additional resource allocation messages for additional timing advances are addressed to a user equipment specific search space. A number of band decodes needed to find a resource allocation message used to access an additional timing advance can be reduced by padding the resource allocation message. A number of blind decodes used to find the resource allocation message can also be reduced by restricting the control channel candidates in which the resource avocation can be embedded in terms of the control channel element aggregation level, or levels, associated with acceptable control channel candidates. | 05-09-2013 |
20130142113 | PATH-LOSS ESTIMATION FOR UPLINK POWER CONTROL IN A CARRIER AGREGATION ENVIRONMENT - Technology for uplink power control in a wireless network is disclosed. Receiving a component carrier list at a User Equipment (UE) is disclosed where the component carriers grouped in the list have one or more common characteristics relative to the power necessary for uplink transmission on those component carriers. A path-loss estimation performed on the downlink of a component carrier in the component carrier list can, therefore, be used to control uplink transmission for other component carriers in the list. Additionally, a UE can receive a path-loss difference parameter providing an offset for one or more factors related to the power necessary for uplink transmission between a component carrier with certain characteristics relative to those factors and a component carrier with different characteristics relative to those same factors. | 06-06-2013 |
20130163551 | SEARCH SPACE DETERMINATION - Embodiments of the present disclosure describe apparatuses, systems, methods, and articles of manufacture for identifying search space candidates that may be used in the transmission of downlink control information. Other embodiments may be described and claimed. | 06-27-2013 |
20130170443 | SIMULTANEOUS TRANSMISSION OF DIFFERENT TYPES OF FEEDBACK INFORMATION IN A WIRELESS ENVIRONMENT - Technology for concurrent transmission of various types of feedback information is disclosed. Different types of feedback information are processed according to a predetermined regime that can allow the various types of feedback information to be separated after combination and transmission to the receiving end of a communication link. Some predetermined regimes may include use of orthogonal carrier codes/sequences, mapping to I and Q branches in a dual branch architecture, and concatenation according to a predefined scheme. Consideration is also made for reducing transmission power levels while insuring transmission of important types of feedback information with respect to the various types of feedback information. | 07-04-2013 |
20130188500 | AUTOMATIC UPLINK-DOWNLINK RATIO RECONFIGURATION SETTING IN WIRELESS COMMUNICATION SYSTEM - At least one neighbor cell is identified by a base station by detecting a synchronization signal of the at least one neighbor cell. A received signal power, such as a Reference Signal Received Power (RSRP) or a Reference Signal Received Quality (RSRQ), or a combination thereof, is also measured from the at least one neighbor cell. Identifying information and the received signal power of the at least one neighbor cell is then communicated to a network entity of the wireless network. Information is received from the network entity indicating whether the base station can enable a reconfiguration of the allocation of uplink and downlink subframes used in the cell of the base station. Based on the information received from the network entity, the base station enables a reconfiguration of the allocation of uplink and downlink subframes used in the cell. | 07-25-2013 |
20130188516 | DYNAMIC UPLINK AND DOWNLINK CONFIGURATION USING FLEXIBLE SUBFRAMES - An apparatus and method for dynamically changing an uplink and downlink ratio configuration is disclosed herein. An evolved Node B (eNodeB) operating in a wireless communications network transmits a System Information Block Type 1 (SIB1) including first uplink and downlink ratio configuration information. The eNodeB also transmits in at least one downlink sub frame of a radio frame configured in the first uplink and downlink ratio configuration second uplink and downlink ratio configuration information. The second uplink and downlink ratio configuration information is included in a downlink control information (DCI) message. The DCI message is included in the at least one downlink subframe of the radio frame. | 07-25-2013 |
20130188533 | Dynamic Direction Changing in Time Division Duplex Radios - In accordance with some embodiments, in a time division duplex system, the transmission direction may be changed dynamically, for example in response to instantaneous traffic conditions. Particularly in some embodiments an eNodeB or base station may, in response to instantaneous traffic conditions, change the direction of transmission in certain subframes. In some embodiments this can be done in a way which is backwards compatible with prior generations of Long-Term Evolution (LTE) radio systems. | 07-25-2013 |
20130188569 | ACKNOWLEDGEMENT SIGNALING IN A WIRELESS COMMUNICATIONS NETWORK - An apparatus and method to facilitate provision of acknowledgement signals in a wireless communications network are disclosed herein. An evolved node B (eNodeB) transmits radio resource control (RRC) signals indicating inclusion of an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (e-PHICH) in a radio frame. The eNodeB configures the radio frame including the e-PHICH. At least one subframe of the radio frame includes a first resource block (RB) associated with a first UE, a second RB associated with a second UE, and a third RB. The first RB includes a physical downlink control channel (PDCCH) control region in a Slot | 07-25-2013 |
20130194982 | INTERFERENCE MANAGEMENT FOR DYNAMIC UPLINK AND DOWNLINK CONFIGURATION - An apparatus and method for managing interference to facilitate allocation of a dynamic uplink and downlink configuration are disclosed herein. Determining whether a first cell causes interference less than a pre-determined threshold level to one or more neighboring cells or whether flexible subframes of radio frames associated with the one or more neighboring cells operate as downlink subframes. In response to the determining condition being met, allocating a first flexible subframe of a first radio frame associated with the first cell to operate as a downlink subframe at normal transmit power level. In response to the determining condition not being met, allocating the first flexible subframe of the first radio frame associated with the first cell as one of a downlink subframe operating in a reduced transmit power level or as an uplink subframe. | 08-01-2013 |
20130195070 | TIME AND FREQUENCY SYNCHRONIZATION FOR LTE-ADVANCED NEW CARRIER TYPE - A particular kind of component carrier that may be used as a secondary cell in an LTE system is a new type carrier that has reduced or eliminated legacy control signaling such as the omission of CRSs. Alternative techniques are described for performing timing and frequency synchronization in the downlink between an eNB and a UE when CRSs are not present in a component carrier. These techniques involve using either channel state information reference signals or UE-specific reference signals. | 08-01-2013 |
20130202513 | Ce-BASED COMPOSITE OXIDE CATALYST, PREPARATION METHOD AND APPLICATION THEREOF - Disclosed is a Ce-based composite oxide catalyst for selective catalytic reducing nitrogen oxides with ammonia, which comprises Ce oxide and at least one oxide of transition metal except Ce. The Ce-based composite oxide catalyst is prepared by a simple method which uses non-toxic and harmless raw materials, and it has the following advantages: high catalytic activity, and excellent selectivity for generating nitrogen etc. The catalyst can be applied in catalytic cleaning plant for nitrogen oxides from mobile and stationary sources. | 08-08-2013 |
20130242816 | HARQ/ACK CODEBOOK SIZE DETERMINATION - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for determining a hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebook in wireless communication networks. | 09-19-2013 |
20130242817 | UPLINK CONTROL CHANNEL RESOURCE MAPPING FOR AN ENHANCED PDCCH IN LTE SYSTEMS - An enhanced physical down link control channel (ePDCCH) for Long Term Evolution (LTE) systems is described that is constructed using enhanced control channel elements (eCCEs). Techniques are also described by which user equipment (UE) may be implicitly allocated uplink resources for transmitting acknowledgements to data received via downlink resources allocated by an ePDCCH. | 09-19-2013 |
20130242818 | Techniques for Timers Associated with Powering Receiver Circuitry at a Wireless Device - Examples are disclosed for timers associated with powering receiver circuitry at a wireless device or user equipment. The examples include separately defining one or more timers based on different time division duplex (TDD) configurations. The different TDD configurations may be used for communications between user equipment and serving cells supported by one or more base stations such as evolved node Bs (eNBs) in a Long Term Evolution (LTE) wireless network. The defined timers may be used by the user equipment to selectively power receiver circuitry. Other examples are described and claimed. | 09-19-2013 |
20130242819 | SCHEDULING TIMING DESIGN FOR A TDD SYSTEM - Disclosed is a method of transmitting, from an enhanced Node B (eNB), an indication of an uplink/downlink (UL-DL) subframe configuration of a scheduling cell and a scheduled cell in a wireless time-division duplex (TDD) system. Embodiments include identifying the type of the UL-DL subframe configuration of the scheduling cell and determining a UL-DL subframe configuration to use for UL resource allocation of the scheduled cell. Other embodiments include identifying a reference UL-DL subframe configuration to use for UL resource allocation of the scheduled cell. | 09-19-2013 |
20130242890 | PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) RESOURCE MAPPING USING AN ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL (ePDCCH) - Technology for physical uplink control channel (PUCCH) resource mapping corresponding to an enhanced physical downlink control channel (ePDCCH) is disclosed. One method can include a node mapping a PUCCH resource n | 09-19-2013 |
20130265945 | FRAME STRUCTURE DESIGN FOR NEW CARRIER TYPE (NCT) - A system and method utilizes a selected PRB configuration for a new carrier type for a 3GPP-type wireless network. A downlink signal is received that comprises a demodulation reference signal pattern in at least one predetermined subframe of the downlink signal. The subframe comprises a first predetermined number of the plurality of orthogonal frequency division multiplex (OFDM) symbols comprising synchronization signals for a legacy version of the downlink signal and the demodulation reference signal pattern comprising a second predetermined number of OFDM symbols that are different from the first predetermined number of the plurality of OFDM symbols. After receiving the downlink signal, the demodulation reference signal pattern in the downlink signal is demodulated. | 10-10-2013 |
20130272170 | ADAPTIVE UL-DL TDD CONFIGURATIONS IN A HETEROGNEOUS NETWORK - Technology for adapting uplink-downlink (UL-DL) time-division duplexing (TDD) subframe configurations in a heterogeneous network (HetNet) is disclosed. One method can include a reference enhanced Node B (eNB) determining a preferred adaptive UL-DL configuration. The eNB can receive node configuration information for at least one neighboring node. The eNB can reconfigure an adaptive UL-DL configuration for at least one of the reference eNB and the at least one neighboring node based on the node configuration information and sounding reference signal (SRS) subframe scheduling of the reference eNB and the at least one neighboring eNB. | 10-17-2013 |
20130279462 | DOWNLINK RESOURCE SCHEDULING - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for downlink resource scheduling in wireless networks. In some embodiments, the scheduling may include multi-subframe cross carrier scheduling utilizing downlink control information. Other embodiments may be described and/or claimed. | 10-24-2013 |
20130288672 | APPARATUS AND METHOD FOR CELL INFORMATION INDICATION IN A WIRELESS NETWORK - Generally, this disclosure provides apparatus and methods for improved indication of cell information in a wireless network. The cell information may include an evolved Node B (eNB) carrier type. The UE device may include a receiver circuit configured to receive a Radio Resource Control (RRC) message from an evolved Node B (eNB) of a serving cell, the RRC message comprising carrier information associated with the serving cell eNB; a processing circuit configured to extract, from the serving cell eNB carrier information: a carrier type, synchronization information and Radio Resource Management (RRM) measurement information; a synchronization circuit configured to synchronize the UE to the serving cell eNB based on the synchronization information associated with the serving cell eNB carrier information; and a signal measurement circuit configured to perform RRM signal measurements on the serving cell eNB based on the RRM measurement information associated with the serving cell eNB carrier information. | 10-31-2013 |
20130301420 | RADIO COEXISTENCE IN WIRELESS NETWORKS - Technology for reducing coexistence interference in a multi-radio device is disclosed. One method comprises applying discontinuous reception (DRX) to a user equipment (UE) having a plurality of radio transceivers. The DRX can include a long DRX cycle for the UE. One of a 2 milliseconds (ms), 5 ms, and 8 ms cycle start offset period may be provided for the long DRX cycle to reduce coexistence interference between the plurality of radio transceivers in the UE. The cycle start offset period is selected to provide at least one Hybrid Automatic Repeat Request (HARQ) process reservation pattern to reduce the coexistence interference between the plurality of radio transceivers in the UE. | 11-14-2013 |
20130301490 | SCHEDULING AND HYBRID AUTOMATIC REPEAT REQUEST (HARQ) TIMING INDICATION FOR AN UPLINK-DOWNLINK (UL-DL) RECONFIGURATION - Technology for reconfiguring an uplink-downlink (UL-DL) time-division duplexing (TDD) configuration timing is disclosed. In an example, a user equipment (UE) for reconfiguring an uplink-downlink (UL-DL) time-division duplexing (TDD) configuration timing can have computer circuitry configured to: Decode a physical downlink control channel (PDCCH) for downlink control information (DCI) including a timing indication field (TIF); and reconfigure a channel timing for a semi-static UL-DL TDD configuration using the TIF. The channel timing can include a physical downlink shared channel (PDSCH) hybrid automatic repeat request (HARQ) timing, a physical uplink shared channel (PUSCH) scheduling timing, or a PUSCH HARQ timing. | 11-14-2013 |
20130301491 | SCHEDULING SYNCHRONIZATION SIGNALS IN A NEW CARRIER TYPE - Technology is discussed for supporting the incorporation of a Primary Synchronization Signal (PSS) and/or a Secondary Synchronization Signal (SSS) within in a New Carrier Type (NCT) for a Component Carrier (CC). Guidelines for incorporating the PSS and/or the SSS in the NCT are discovered, together with potential collisions with other signals that can be avoided for various scenarios. In some examples, various guidelines and potential collisions discovered herein, for various scenarios, inform approaches to incorporating the PSS and/or the SSS based on the positioning of the PSS and/or the SSS. In other examples, other signals, such as DeModulation Reference Symbols (DMRS) are reconfigured to allow incorporation of the PSS and the SSS. | 11-14-2013 |
20130301549 | DOWNLINK CONTROL INDICATION FOR A STAND-ALONE NEW CARRIER TYPE (NCT) - Technology for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type is disclosed. In an example, a user equipment (UE) configured for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type can include a processing module to: Determine a PRB set in the CSS from an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (ePHICH) configuration information in a master information block (MIB); and decode an enhanced physical downlink control channel (ePDCCH) or the ePHICH from PRB region candidates in the PRB set. | 11-14-2013 |
20130322357 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to support Hybrid Automatic Retransmission re-Quest (HARQ) for Carrier Aggregation (CA) is disclosed. For example, a device, at a processor residing on a User Equipment (UE), includes a sizing module and a window module. The sizing module can be configured to determine a first size of a first bundling window for a first Component Carrier (CC) and a second size of a second bundling window for a second CC. The window module can be configured to: generate a first virtual window comprising a selected number of DownLink (DL) sub-frames in the first bundling window that are added to DL sub-frames in the second bundling window; and generate a second virtual window comprising remaining DL sub-frames from the first bundling window that are not added to the first virtual window. The selected number of DL sub-frames can be proportional to a difference between the first size and the second size. | 12-05-2013 |
20130322358 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to support mapping for Hybrid Automatic Retransmission re-Quest (HARQ) for Carrier Aggregation (CA) is disclosed. One method can include a user equipment (UE) identifying, within a radio frame, a type 2 DownLink (DL) sub-frame within a virtual bundling window associated with a Secondary Component Carrier (SCC). The type 2 DL sub-frame can be virtually moved from a Primary Component Carrier (PCC) for HARQ-ACKnowledge (HARQ-ACK) multiplexing of the virtual bundling window. The UE can extract a Component Carrier Element (CCE) number for a first CCE used by a Physical Downlink Control CHannel (PDCCH) transmission corresponding to the type 2 DL sub-frame. The UE can determine a Physical Uplink Control CHannel (PUCCH) resource for carrying a HARQ-ACK multiplexing message based on the CCE number when a PCC window size of the PCC is greater than an SCC window size of the SCC. | 12-05-2013 |
20140003262 | SOUNDING REFERENCE SIGNAL (SRS) MECHANISM FOR INTRACELL DEVICE-TO-DEVICE (D2D) COMMUNICATION | 01-02-2014 |
20140003302 | HARQ-ACK HANDLING FOR UNINTENDED DOWNLINK SUB-FRAMES | 01-02-2014 |
20140003452 | MULTIPLEXING OF CHANNEL STATE INFORMATION AND HYBRID AUTOMATIC REPEAT REQUEST - ACKNOWLEDGEMENT INFORMATION | 01-02-2014 |
20140010128 | SELECTION OF ACKNOWLEDGMENT TIMING IN WIRELESS COMMUNICATIONS - Disclosed is a method including communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. The method may include receiving one or more downlink transmissions via the second component carrier. The method may include selecting a hybrid automatic repeat request (HARQ) timing sequence based on the TDD configurations of the first and second component carriers. The method may include transmitting one or more positive acknowledgment and/or negative acknowledgement (ACK/NACK) signals, associated with the one or more downlink transmissions, according to the selected HARQ timing sequence. Other embodiments may be described and claimed. | 01-09-2014 |
20140029532 | UPLINK POWER CONTROL FOR PHYSICAL UPLINK CONTROL CHANNEL - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for uplink transmit power control for transmitting periodic channel state information. Other embodiments may be described and claimed. | 01-30-2014 |
20140029533 | UPLINK CONTROL INFORMATION TRANSMISSION WITH LARGE NUMBER OF BITS - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for transmitting periodic channel state information having large payload sizes. Other embodiments may be described and claimed. | 01-30-2014 |
20140056279 | MAPPING AN ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL - Technology for mapping an enhanced physical downlink control channel to physical resource blocks in a radio frame is disclosed. One method comprises mapping modulated symbols in the ePDCCH to at least one control channel element. The at least one control channel element may be mapped to resource elements located in a plurality of distributed physical resource blocks in a subframe, wherein each resource block is in a distributed resource block group and is separated by at least one additional resource block in the subframe. The mapping may also be to resource elements distributed in a single resource block in the subframe, wherein the control channel element is mapped to be distributed in frequency and time relative to other mapped resource elements in the single resource block and the single resource block belongs to a localized resource block group. | 02-27-2014 |
20140092786 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to dynamically alter hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) is disclosed. In an example, a user equipment (UE) operable to dynamically alter hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) can include computer circuitry configured to: Determine a secondary HARQ bundling window size for a secondary cell (SCell), when a primary HARQ bundling window size for a primary cell (PCell) is zero; determine a physical uplink control channel (PUCCH) resource for transmission of a HARQ-ACKnowledge (ACK) feedback using the secondary HARQ bundling window size; and transmit the HARQ-ACK feedback in the PUCCH resource. | 04-03-2014 |
20140092787 | PERIODIC CHANNEL STATE INFORMATION REPORTING FOR TIME DIVISION DUPLEX (TDD) CARRIER AGGREGATION SYSTEMS - Technology for periodic channel state information (CSI) reporting is disclosed. One method can include a user equipment (UE) identifying a configured CSI reporting instance for a secondary cell to report the periodic CSI to a node based on a CSI reporting configuration of the secondary cell. The UE can determine that the configured CSI reporting instance of the secondary cell used to report the periodic CSI does not correspond with an uplink (UL) subframe of a primary cell. The UE can transmit the periodic CSI report for the secondary cell, to the node, using a physical uplink shared channel (PUSCH) on the secondary cell when the periodic CSI reporting instance for the secondary cell does not correspond with the UL subframe of the primary cell and an UL-SCH (Uplink Shared Channel) is available in a subframe that corresponds to the periodic CSI reporting instance of the secondary cell. | 04-03-2014 |
20140092824 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology for conditional hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) is disclosed. One method can include a user equipment (UE) determining when a subframe for physical downlink shared channel (PDSCH) transmission is configured for downlink semi-persistent scheduling (SPS). The subframe configured for downlink SPS can generate a first condition. The UE can generate HARQ-ACK states for the first condition for a HARQ bundling window with discontinuous transmission (DTX) padding for a secondary HARQ bundling window size for a secondary cell (SCell) and a primary HARQ bundling window size for a primary cell (PCell). The UE can generate HARQ-ACK states for a second condition for the HARQ bundling window with DTX padding including a DTX padding exception. The second condition can include conditions not covered by the first condition. The DTC padding exception can generate a set of HARQ-ACK states to uniquely define each padded HARQ-ACK state. | 04-03-2014 |
20140185550 | APPARATUS AND METHOD FOR SINGLE-TONE DEVICE DISCOVERY IN WIRELESS COMMUNICATION NETWORKS - Embodiments of wireless communication devices and methods for device discovery is generally described herein. Some of these embodiments describe an apparatus having processing circuitry arranged to configure a single-tone discovery signal for transmission in a symbol in a transmission opportunity based on an assignment pattern. The assignment pattern may define frequency positions, for a set of transmission opportunities, at which the apparatus shall transmit discovery signals in the corresponding transmission opportunity. The apparatus may have physical layer circuitry arranged to transmit the single-tone discovery signal in the corresponding transmission opportunity. Other methods and apparatuses are also described. | 07-03-2014 |
20140198675 | CHANNEL STATE INFORMATION-REFERENCE SIGNAL PATTERNS FOR TIME DIVISION DUPLEX SYSTEMS IN LONG TERM EVOLUTION WIRELESS NETWORKS - A user equipment (UE) for time division duplex (TDD) communication through a wireless communication channel has a receiver to receive a channel state information reference signal (CSI-RS) subframe configuration value, a CSI-RS configuration value, and a CSI-RS; and circuitry to determine a subframe index corresponding to a temporal position of a special subframe including the CSI-RS; determine a CSI-RS pattern of one or more orthogonal frequency division modulation (OFDM) resource elements carrying the CSI-RS, the pattern being from among a group of CSI-RS patterns that include OF DM resource elements in OFDM symbols corresponding to a physical downlink control channel (PDCCH) region of a legacy LTE wireless communication channel; control the receiver to receive the special subframe carrying the CSI-RS during the temporal position and at the one or more OFDM resource elements of the CSI-RS pattern; and measure the wireless communication channel based on the CSI-RS. | 07-17-2014 |
20140198764 | SYSTEMS AND METHODS FOR GENERATING A DISCOVERY SIGNAL IN A DEVICE-TO-DEVICE OR NETWORK COMMUNICATION - The techniques introduced here provide for device discovery of a greater number of mobile devices in a mobile network by increasing the multiplexing capacity of the system. The techniques may be applied to device-to-device communication networks and small cells using low power nodes (e.g., pico and femto eNodeB in a | 07-17-2014 |
20140211768 | ACK/NACK FEEDBACK METHOD IN WIRELESS COMMUNICATION SYSTEM - A method of ACK/NACK feedback in a wireless communication system. The method includes determining, by a UE, a number of public sub-frames, all of which are uplink sub-frame in PCC and any SCC sub-frames of any radio frame in frame structure configurations according to the frame structure configurations of the PCC and any SCC, selecting, by the UE, a configuration, uplink sub-frames of which merely include sub-frames corresponding to the determined number of public sub-frames from existing seven kinds of frame structure configurations, and feeding back, by the UE, to an eNB ACK/NACK information corresponding to PDSCH in the SCC on the PCC adopting a timing relationship between the PDSCH and the ACK/NACK corresponding to the selected configuration. | 07-31-2014 |
20140219143 | SELECTION OF ACKNOWLEDGMENT TIMING IN WIRELESS COMMUNICATIONS - Disclosed is a method including communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. The method may include receiving one or more downlink transmissions via the second component carrier. The method may include selecting a hybrid automatic repeat request (HARQ) timing sequence based on the TDD configurations of the first and second component carriers. The method may include transmitting one or more positive acknowledgment and/or negative acknowledgement (ACK/NACK) signals, associated with the one or more downlink transmissions, according to the selected HARQ timing sequence. Other embodiments may be described and claimed. | 08-07-2014 |
20140254567 | CARRIER TYPE (NCT) INFORMATION EMBEDDED IN SYNCHRONIZATION SIGNAL - A Second Synchronous Signal (SSS) for a 3GPP LTE downlink signal is generated in such a way that a legacy User Equipment (UE) can determine whether the downlink signal comprises a legacy downlink signal or a New Carrier Type (NCT) downlink signal, which is unavailable to a legacy UE. One exemplary embodiment provides that a first binary sequence and a second binary sequence are generated in which the first and second binary sequences are part of the SSS for the downlink signal. The first binary sequence is multiplied by a first scrambling sequence, and the second binary sequence by a second scrambling sequence in which the first and second scrambling sequences are selected to indicate that the downlink signal is a new carrier type downlink signal. Other exemplary embodiments provide that an order of the first and second scrambling sequences indicates whether the downlink signal is a NCT downlink signal. | 09-11-2014 |
20140269383 | CHANNEL STATE INFORMATION FEEDBACK SCHEME FOR COOPERATIVE MULTI POINT TRANSMISSION AND CARRIER AGGREGATION SCENARIO - Embodiments of a system and method for reporting uplink control information (UCI) are generally described herein. In some embodiments, a first and second component carrier (CC) is provided for a user equipment (UE). The first and second CC are configured with transmission mode (TM) 10 and TMs 1-9, respectively. A first channel state information (CSI) report for the first CC with TM 10 and a second CSI report for the second CC with at least one of TMs 1-9 are scheduled for transmission in a subframe. A collision is detected between the first and second CSI reports. Priority is assigned to the first CSI report or the second CSI report based on a prioritization parameter. The prioritized CSI report is transmitted based the prioritization parameter. | 09-18-2014 |
20140269419 | METHOD OF TRANSMITTING AND RECEIVING DEVICE-TO-DEVICE DISCOVERY SIGNAL - A method to transmit and receive a device-to-device (D2D) discovery signal method is disclosed. The D2D discovery signal method operates using currently defined discovery signals as well as novel discovery signals, such as discovery signals employing a PUCCH-based uplink signal, an SRS-based demodulation and reference signal, or a single tone-based beacon signal. Under the D2D discovery signal method, an enhanced base station (eNB) configures the D2D discovery signal to both the transmitter (TX) user equipment (UE) and the receiver (RX) UE, then activates the D2D discovery signal to the TX and RX UEs, such that D2D signal transmission can thereafter occur from either the eNB or the TX UE, and monitored by the RX UE. Once the eNB deactivates the D2D discovery signal, D2D transmissions between UEs cease. Transmissions to configure, activate, and deactivate the D2D discovery signal can be unicast, multicast, or broadcast. | 09-18-2014 |
20140293842 | HARQ TIMING DESIGN FOR A TDD SYSTEM - Disclosed are methods and apparatuses related to receiving one or more indications of time division duplex (TDD) uplink/downlink (UL/DL) configurations for two consecutive radio frames. Based on the indications of the TDD UL/DL configurations, a reference TDD UL/DL configuration may be identified for one or more Hybrid Automatic Repeat reQuest (HARD) processes. | 10-02-2014 |
20140301290 | RECONFIGURATION CONTROL CHANNEL RESOURCE MAPPING COLLISION AVOIDANCE - A device includes a transceiver to receive, from a base station, a physical downlink shared channel (PDSCH) transmission and processing circuitry to classify downlink (DL) subframe types for a set of DL subframes associated with a first uplink (UL) subframe for transmission of a hybrid automatic report request acknowledgment (HARQ-ACK) and perform physical uplink control channel (PUCCH) resources mapping based on the classified DL subframe Types for an acknowledgement transmission associated with PDSCH transmission reception. | 10-09-2014 |
20140307596 | HARQ/ACK CODEBOOK SIZE DETERMINATION - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for determining a hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebook in wireless communication networks. | 10-16-2014 |
20140362745 | CENTRAL PROCESSING UNIT AND METHODS FOR SUPPORTING COORDINATED MULTIPOINT TRANSMISSION IN AN LTE NETWORK - Embodiments of a central processing unit and methods for supporting coordinated multi-point (CoMP) transmissions in a 3GPP LTE network with non-ideal backhaul links are generally described herein. In some embodiments, the CPU may be arranged for scheduling and assigning resources for subordinate enhanced node Bs (eNBs) over the backhaul links for CoMP transmissions. The scheduling may include an additional number of HARQ processes to compensate, at least in part, for backhaul link latency. | 12-11-2014 |
20140369244 | PERIODIC CHANNEL STATE INFORMATION REPORTING FOR TIME DIVISION DUPLEX (TDD) CARRIER AGGREGATION SYSTEMS - Technology for reporting periodic channel state information (CSI) is disclosed. One method can include determining a reporting period (N | 12-18-2014 |
20140376468 | METHOD FOR UL DATA TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM - The present invention provides a UL data transmission method in a wireless communication system, including determining, by the UE, UL virtual resources allocated to the UE by the eNB according to Downlink Control Information (DCI) used for scheduling UL physical resources sent from the eNB to the UE; determining, by the UE, the UL physical resources used for transmitting the UL data after frequency hopping processing in a preset frequency domain when determining that the UL data needs to be processed with frequency hopping processing according to the DCI, if the UL virtual resources allocated to the UE locate at UL sub-frames in a non-aggregation K of any wireless frame, and locate at the preset frequency domain; bearing, by the UE, the UL data and feeding the UL data back to the eNB utilizing the determined UL physical resources which are processed with the frequency hopping processing and used for transmitting the UL data. With the present invention, the PUSCH channel resource collision may be avoided, the frequency diversity gain may be maximized, and the PUSCH performances may be enhanced. | 12-25-2014 |
20150009870 | MAPPING SPECIAL SUBFRAMES IN A WIRELESS COMMUNICATION NETWORK - Methods, apparatuses, and systems are described related to mapping special subframes in a wireless communication network. In embodiments, an eNB may assign demodulation reference signals (DM-RSs) and/or cell-specific reference signals (CRSs) to a downlink pilot time slot (DwPTS) of a special subframe responsive to a determined configuration of the special subframe. In embodiments, an eNB may bundle the DwPTS or an uplink pilot time slot (UpPTS) of the special subframe with another subframe for scheduling. In embodiments, a UE may estimate a channel associated with the special subframe based on DM-RSs and/or CRSs transmitted in another subframe. In embodiments, an eNB may exclude the DwPTS from scheduling for certain special subframe configurations if a new carrier type (NCT) is used. In embodiments, an eNB may exclude certain special subframe configurations from use for NCT communications. Other embodiments may be described and claimed. | 01-08-2015 |
20150029910 | DYNAMICAL TIME DIVISION DUPLEX UPLINK AND DOWNLINK CONFIGURATION IN A COMMUNICATIONS NETWORK - A technology is disclosed for a user equipment (UE) that is operable to dynamically change an uplink/downlink (UL/DL) configuration in a communications network. A radio resource control (RRC) connection can be requested with an enhanced node B (eNode B). A UE Capability Information information element (IE) can be communicated to the eNode B to indicate an enhanced interference mitigation and traffic adaptation (eIMTA) capability of the UE to support an eIMTA time duplex domain (TDD) UL/DL reconfiguration functionality. An eIMTA configuration information can be received at the UE information within a RRCConnectionSetup message or a RRCConnectionReconfiguration message. | 01-29-2015 |
20150029955 | SIGNALING MESSAGE SYNCHRONIZATION - Technology for supporting dual connectivity is disclosed. A user equipment (UE) may receive a radio resource control (RRC) reconfiguration message from a macro evolved node B (MeNB). The RRC reconfiguration message may indicate that a secondary cell associated with a secondary eNB (SeNB) is to be added for connection to the UE. The UE may complete an RRC reconfiguration procedure to add the secondary cell. The UE may send a preamble to the SeNB indicating that the UE has completed the RRC reconfiguration procedure. The UE may communicate data with the SeNB after sending the preamble to the SeNB, wherein the UE supports dual connectivity to the MeNB and the SeNB. | 01-29-2015 |
20150043438 | LONG-TERM EVOLUTION DEVICE-TO-DEVICE DISCOVERY USING CONTROL CHANNEL - Device-to-device (D2D) communications between user equipment (UE) allows two UEs in a long-term evolution (LTE) network to communicate directly with each other without the need to first send their communications to a network (such as via an evolved node B). In order to communicate in a D2D mode, the UEs first need to discover each other. One method of allowing the UEs to discover each other involves the use of a physical uplink control channel (PUCCH). After a network determines that certain UEs would benefit from D2D communication, the UEs can be set up to send and receive discovery signals using the PUCCH. | 02-12-2015 |
20150043448 | SIGNALING FOR PROXIMITY SERVICES AND D2D DISCOVERY IN AN LTE NETWORK - Embodiments of an enhanced node B (eNB), user equipment (UE) and methods of signaling for proximity services and device-to-device (D2D) discovery in an LTE network are generally described herein. In some embodiments, the eNB may transmit signaling to indicate D2D discovery zone configuration to proximity service (ProSe) enabled UEs. The signaling may indicate time and frequency resources and a periodicity of a discovery zone and may indicate operational parameters for the discovery zone. The resources of the D2D discovery zone may be allocated for D2D discovery signal transmission by the ProSe-enabled UEs. | 02-12-2015 |
20150043515 | RADIO COEXISTENCE IN WIRELESS NETWORKS - Technology for avoiding in-device coexistence (IDC) interference between multiple radio transceivers at a user equipment (UE). The UE may identify a subframe with substantially no IDC interference from one or more of the multiple radio transceivers at the UE. The UE may determine that the subframe with substantially no IDC interference occurs during an unscheduled period of a Discontinuous Reception (DRX) cycle for the UE. The UE may perform Radio Link Monitoring (RLM) during the subframe with substantially no IDC interference during the unscheduled period of the DRX cycle for the UE. | 02-12-2015 |
20150078349 | DRX OPERATION FOR UL/DL RECONFIGURATION - In embodiments, apparatuses, methods, and storage media may be described for identifying subframes in a radio frame on which a UE may receive a Physical Downlink Control Channel (PDCCH) or enhanced PDCCH (ePDCCH) transmission. Specifically, the UE may receive multiple indications of uplink/downlink (UL/DL) subframe configurations and identify one or more subframes in which the UE may receive the PDCCH or ePDCCH transmission. The UE may then monitor one or more of the identified subframes and base discontinuous reception (DRX) timer functionality on one or more of the identified subframes. | 03-19-2015 |
20150085713 | HARQ TIMELINES FOR TDD-FDD CARRIER AGGREGATION - Disclosed embodiments include an end-to-end UE and eNB HARQ protocol design for various TDD−FDD joint operation wireless network configurations. Designs for timing of HARQ feedback in response to PDSCH and PUSCH transmissions (or simply, PDSCH and PUSCH) include both HARQ feedback from a UE, and HARQ feedback from an eNB. The PUSCH HARQ timeline embodiments also include both self-scheduling and cross-carrier scheduling scenarios for PUSCH transmissions. In addition, designs for the cross-carrier scheduling scenarios contemplate an FDD scheduling cell or a TDD scheduling cell. | 03-26-2015 |
20150085833 | TECHNIQUES TO MANAGE HETEROGENOUS CARRIER TYPES - Techniques to manage heterogeneous carrier types are described. User equipment may comprise a processor circuit and a network control component for execution on the processor circuit to locate a synchronization signal (SS) and a cell-specific reference signal (CRS) in a physical resource block (PRB) pair of a long term evolution (LTE) system, the PRB pair having a physical signal pattern for a first carrier type, the physical signal pattern for the first carrier type to have a same number of defined positions between the SS and the CRS within the PRB pair as a physical signal pattern for a second carrier type. Other embodiments are described and claimed. | 03-26-2015 |
Patent application number | Description | Published |
20100239904 | PHOSPHORATED POLYMER, METHOD FOR MAKING THE SAME, AND LITHIUM-ION BATTERY USING THE SAME - A phosphorated polymer includes a conductive polymer main-chain and a side-chain connected to the conductive polymer main-chain. The side-chain includes an electrochemically active phosphorated group Pm. A method for making the phosphorated polymer and a lithium-ion battery using the phosphorated polymer is also provided. | 09-23-2010 |
20100239905 | PHOSPHORATED COMPOSITE, METHOD FOR MAKING THE SAME, AND LITHIUM-ION BATTERY USING THE SAME - A phosphorated composite capable of electrochemical reversible lithium storage includes a conductive matrix and a red phosphorus. The conductive matrix includes a material being selected from the group consisting of conductive polymer and conductive carbonaceous material. A weight percentage of the conductive matrix in the phosphorated composite ranges from about 10% to about 85%. A weight percentage of the red phosphorus in the phosphorated composite ranges from about 15% to about 90%. A method for making the phosphorated composite and a lithium-ion battery using the phosphorated composite is also provided. | 09-23-2010 |
20110121688 | PIEZOELECTRIC SENSOR AND METHOD FOR MAKING THE SAME - The present disclosure relates to a piezoelectric sensor. The piezoelectric sensor includes a polymer layer, a first metal layer, and a second metal layer. The polymer layer includes pyrolytic polyacrylonitrile. The first metal layer is located on a surface of the polymer layer. The first metal layer includes a first work function. The second metal layer is located on another surface of the polymer layer and includes a second work function different from the first work function. The present disclosure also relates to a method for making the piezoelectric sensor. | 05-26-2011 |
20110195177 | METHOD FOR MAKING LITHIUM-ION BATTERY ELECTRODE MATERIAL - The present disclosure relates to a method for making an electrode material of lithium-ion batteries. In the method, a carbon source compound is dissolved into a solvent to form a liquid phase solution. A number of titanium dioxide particles are provided and are dispersed into the liquid phase solution. The carbon source compound is pyrolyzed, thereby forming a number of carbon coating titanium dioxide particles. A lithium source solution is provided. The lithium source solution and the carbon coating titanium dioxide particles are mixed, according to a molar ratio in a range from about 4:5 to about 9:10, of lithium element to titanium element, thereby forming a sol. The sol is spray dried to form a number of precursor particles. The precursor particles are heated to form a lithium titanate composite electrode material. | 08-11-2011 |
20110236299 | METHOD FOR MAKING LITHIUM-ION BATTERY ELECTRODE MATERIAL - The present disclosure relates to a method for making an electrode material of lithium-ion batteries. In the method, a lithium source solution and a plurality of titanium source particles are provided. The lithium source solution and the titanium source particles are mixed, wherein a molar ratio of lithium element to titanium element is in a range from about 4:5 to about 9:10, thereby forming a sol. A carbon source compound is dispersed into the sol to form a sol mixture. The sol mixture is spray dried to form a plurality of precursor particles. The precursor particles are heated to form a lithium titanate composite electrode material. | 09-29-2011 |
20110244307 | LITHIUM-ION BATTERY AND METHOD FOR MAKING THE SAME - The present disclosure relates to a lithium-ion battery. The lithium-ion battery includes a positive electrode, a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The positive electrode and the negative electrode are stacked with each other and sandwich the separator. The electrolyte solution infiltrates between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated into the encapsulating shell. The positive electrode defines at least one first through-hole. The negative electrode defines at least one second through-hole corresponding to the at least one first through-hole. | 10-06-2011 |
20110281142 | LITHIUM-ION POWER BATTERY - The present disclosure relates to a lithium-ion power battery. The lithium-ion power battery has a power density greater than or equal to 500 W/kg and includes at least one battery unit including a positive electrode and a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The separator is sandwiched between the positive electrode and the negative electrode, and the electrolyte solution is filled between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated in the external encapsulating shell. The positive electrode defines a plurality of first through-holes. The negative electrode defines a plurality of second through-holes corresponding to the first through-holes. | 11-17-2011 |
20110281143 | LITHIUM-ION STORAGE BATTERY - The present disclosure relates to a lithium-ion storage battery. The lithium-ion storage battery has a capacity greater than or equal to 20 Ah and includes at least one battery unit. The battery unit includes a positive electrode and a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The separator is sandwiched between the positive electrode and the negative electrode, and the electrolyte solution is filled between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated in the external encapsulating shell. The positive electrode defines a number of first through-holes. The negative electrode defines a number of second through-holes. Each of the second through-holes corresponds to one first through-hole. | 11-17-2011 |
20110281152 | LITHIUM-ION BATTERY PACK - The present disclosure relates to a lithium-ion battery pack. The lithium-ion battery pack comprises a plurality of battery units electrically connected with each other. The battery unit includes a positive electrode, a negative electrode, a separator, an electrolyte solution, and an external encapsulating shell. The separator is disposed between the positive electrode and the negative electrode. The positive electrode, the negative electrode, the separator, and the electrolyte solution are encapsulated in the external encapsulating shell. The positive electrode defines at least one first through-hole. The negative electrode defines at least one second through-hole. The at least one second through-holes corresponds to the at least one first through-hole. | 11-17-2011 |
20110291042 | CATHODE ACTIVE MATERIAL FOR LITHIUM BATTERY AND METHOD FOR MAKING THE SAME - The present disclosure relates to a cathode active material for lithium battery including a metal oxide represented by a formula of LiNi | 12-01-2011 |
20110297875 | METHOD FOR MAKING LITHIUM BATTERY CATHODE MATERIAL - A method for making a lithium battery cathode material is disclosed. A mixed solution including a solvent, an iron salt material, a vanadium source material and a phosphate material is provided. An alkaline solution is added in the mixed solution to make the mixed solution have a pH value ranging from about 1.5 to 5. The iron salt, the vanadium source material and the phosphate material react with each other to form a plurality particles of iron phosphate precursor doped with vanadium which are added in a mixture of a lithium source solution and a reducing agent to form a slurry of lithium iron phosphate precursor doped with vanadium. The slurry of lithium iron phosphate precursor doped with vanadium is heat-treated. | 12-08-2011 |
20110297895 | METHOD FOR MAKING LITHIUM BATTERY CATHODE MATERIAL - A method for making a lithium battery cathode material is disclosed. A mixed solution including a solvent, an iron salt material, and a phosphate material is provided. An alkaline solution is added into the mixed solution until the mixed solution has a pH value ranging from about 1.5 to 5. The iron salt react with the phosphate material to form a plurality of iron phosphate precursor particles which are added in a mixture of a lithium source solution and a reducing agent to form a lithium iron phosphate precursor slurry. The lithium iron phosphate precursor slurry is heat-treated. | 12-08-2011 |
20110300292 | METHOD FOR MAKING LITHIUM BATTERY CATHODE COMPOSITE MATERIAL - A method for making a lithium battery cathode composite is provided. First, a plurality of lithium vanadium phosphate particles is provided. A lithium iron phosphate layer is then formed on an outer surface of each of the lithium vanadium phosphate particle by coating a lithium iron phosphate precursor slurry, thereby forming the lithium battery cathode composite. | 12-08-2011 |
20110300443 | ELECTRODE SLURRY OF LITHIUM BATTERY AND ELECTRODE OF LITHIUM BATTERY - The present disclosure relates to an electrode slurry of a lithium battery and an electrode formed from the electrode slurry. The electrode slurry includes an active component, a conductive agent, a binder, an organic solvent, and octylphenolpoly(ethyleneglycolether) | 12-08-2011 |
20110300446 | LITHIUM BATTERY CATHODE COMPOSITE MATERIAL - A lithium battery cathode composite material includes a number of composite particles. Each of the composite particles includes one lithium vanadium phosphate particle and a lithium iron phosphate layer. The lithium iron phosphate layer is disposed on a surface of the lithium vanadium phosphate particle. The lithium iron phosphate layer includes a number of uniformly disposed lithium iron phosphate particles. | 12-08-2011 |
20120015241 | LUG FOR LITHIUM ION BATTERY - A lithium ion battery comprises a shell, a cell disposed in the shell, and two lugs connected to the cell. Each of the lugs comprises a conductive foil with a surface and a PTC layer disposed on the surface of the conductive foil. The lugs conduct currents between the lithium ion battery and an outer circuit. | 01-19-2012 |
20120027929 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A method for preparing a electrode composite material includes providing an aluminum nitrate solution and introducing a number of electrode active material particles into the aluminum nitrate solution, mixing the plurality of electrode active material particles with the aluminum nitrate solution to form a mixture, and adding a phosphate solution into the mixture to react with the aluminum nitrate solution and form an aluminum phosphate layer on surfaces of the electrode active material particles. Lastly, the electrode active material particles with the aluminum phosphate layer formed on the surfaces thereof are heat treated. | 02-02-2012 |
20120028113 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - An anode composite material includes an anode active material particle having a surface and a continuous aluminum phosphate layer. The continuous aluminum phosphate layer is coated on the surface of the anode active material particle. The present disclosure also relates to a lithium ion battery that includes the cathode composite material. | 02-02-2012 |
20120028114 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material particle having a surface, and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is spinel type lithium manganese oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material. | 02-02-2012 |
20120028115 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material particle having a surface, and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is layered type lithium nickel oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material. | 02-02-2012 |
20120028118 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material particle having a surface and a continuous aluminum phosphate layer. The continuous aluminum phosphate layer is coated on the surface of the cathode active material particle. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 02-02-2012 |
20120028119 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material particle having a surface and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is layered type lithium nickel manganese oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material. | 02-02-2012 |
20120028120 | ELECTRODE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material particle having a surface and a continuous aluminum phosphate layer coated on the surface of the cathode active material particle. A material of the cathode active material particle is layered type lithium nickel cobalt manganese oxide. The present disclosure also relates to a lithium ion battery and a method for making the cathode composite material. | 02-02-2012 |
20120046482 | METHOD FOR SYNTHESIZING GOLD NANOPARTICLES - The present disclosure relates to a method for synthesizing gold nanoparticles. In the method, a gold ion containing solution and a carboxylic acid including at least two carboxyl groups are provided. The gold ion containing solution and the carboxylic acid are mixed to form a mixture. The mixture is reacted at a reaction temperature of about 20° C. to about 60° C. | 02-23-2012 |
20120059085 | METHOD FOR MAKING CONJUGATED POLYMER - The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with conjugated polymer. | 03-08-2012 |
20120059128 | SULFURIZED POLYACRYLONITRILE AND LITHIUM-ION BATTERY CATHODE ACTIVE MATERIAL USING THE SAME - The present disclosure relates to a sulfurized polyacrylonitrile and a lithium-ion battery cathode active material. The sulfurized polyacrylonitrile includes a structural unit. A general molecular formula of the structural unit is C | 03-08-2012 |
20120059129 | METHOD FOR MAKING SULFURIZED POLYACRYLONITRILE - In a method for making sulfurized polyacrylonitrile, polyacrylonitrile, a first solvent, a catalyst, and sulfur or sodium thiosulfate are provided. The polyacrylonitrile is dissolved in the first solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed in the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a first conjugated polymer solution with a conjugated polymer. The sulfur or sodium thiosulfate is uniformly mixed with the conjugated polymer to form a mixture. The mixture is heated to form sulfurized polyacrylonitrile. | 03-08-2012 |
20120097235 | PHOTOELECTRIC CONVERSION DEVICE AND METHOD FOR MAKING THE SAME - The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with the conjugated polymer dissolved therein. | 04-26-2012 |
20120132107 | MODIFIER OF LITHIUM ION BATTERY - A modifier of a lithium ion battery includes a clear solution fabricated from a phosphorous source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. A molar ratio of the trivalent aluminum source, the metallic oxide, and the phosphorous source is set by (Mol | 05-31-2012 |
20120148734 | METHOD FOR MAKING SEPARATOR OF LITHIUM ION BATTERY - A method for making a separator of a lithium ion battery is provided. In the method, a modifier, and a porous membrane are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the porous membrane to form a coating layer. The coated porous membrane is dried to form a modifier layer disposed on the surface of the porous membrane. | 06-14-2012 |
20120149547 | METHOD FOR MAKING CARBON NANOTUBE BASED COMPOSITE - A method for making a carbon nanotube based composite is provided. In the method, carriers, solution containing metal ions, and a carboxylic acid solution are mixed to form a mixed solution containing a complex compound. A reducing agent is added into the mixed solution. The metal ions are reduced to metal particles absorbed on the surface of the carriers. The carriers having the metal particles absorbed thereon are purified to obtain the carbon nanotube based composite. | 06-14-2012 |
20120164535 | LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A lithium titanate composite material includes lithium titanate particles and an AlPO4/C composite layer disposed on a surface of the lithium titanate particles. The AlPO | 06-28-2012 |
20120164536 | LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A lithium titanate composite material includes a lithium titanate particle and a double layered structure coated on a surface of the lithium titanate particle. The double layered structure includes a carbon layer directly disposed on the surface of the lithium titanate particle, and an AlPO | 06-28-2012 |
20120168696 | METHOD FOR MAKING ELECTRODE COMPOSITE MATERIAL - The present disclosure relates to a method for making an electrode composite material. In the method, a trivalent aluminum source, a doped element source, and electrode active material particles are provided. The trivalent aluminum source and the doped element source are dissolved in a solvent to form a solution having trivalent aluminum ions and doped ions. The electrode active material particles are mixed with the solution having the trivalent aluminum ions and doped ions to form a mixture. A phosphate radical containing solution is added to the mixture to react with the trivalent aluminum ions and doped ions, thereby forming a number of electrode composite material particles. The electrode composite material particles are heated. | 07-05-2012 |
20120171570 | ELECTRODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - The present disclosure relates to an electrode composite material. The electrode composite material includes a number of electrode composite material particles. Each of the plurality of electrode composite material particles includes an electrode active material particle and a doped aluminum phosphate layer coated on a surface of the electrode active material particle. A material of the doped aluminum phosphate layer is a semiconducting doped aluminum phosphate. | 07-05-2012 |
20120196176 | ELECTRODE COMPOSITE MATERIAL OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME - An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is Al | 08-02-2012 |
20120196177 | ELECTRODE OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME - An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of Al | 08-02-2012 |
20120219704 | METHOD FOR MAKING MODIFIED CURRENT COLLECTOR OF LITHIUM ION BATTERY - A method for making a modified current collector of a lithium ion battery is provided. In the method, the modifier and a metal plate are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the metal plate to form a coating layer. The coated metal plate is heat treated to transform the coating layer into a protective film formed on the surface of the metal plate. | 08-30-2012 |
20120326673 | COBALT OXIDE, COMPOSITE OF COBALT OXIDE, AND METHOD FOR MAKING THE SAME - A method for making a composite of cobalt oxide is disclosed. An aluminum nitrate solution is provided. Lithium cobalt oxide particles are introduced into the aluminum nitrate solution. The lithium cobalt oxide particles are mixed with the aluminum nitrate solution to form a mixture. A phosphate solution is added into the mixture to react with the aluminum nitrate solution and form an aluminum phosphate layer on surfaces of the lithium cobalt oxide particles. The lithium cobalt oxide particles with the aluminum phosphate layer formed on the surfaces thereof are heat treated to form a lithium cobalt oxide composite. The lithium cobalt oxide composite is electrochemical lithium-deintercalated at a voltage of Vx, wherein 4.5V12-27-2012 | |
20130002023 | HYBRID POWER SUPPLY SYSTEM - A hybrid power supply system includes a number of power modules electrically connected with each other in series. Each power module includes a fuel cell unit and a lithium-ion battery unit. Each fuel cell unit includes at least two fuel cell monomers electrically connected with each other in series. Each lithium-ion battery unit includes one or more lithium ion battery monomers electrically connected with each other in parallel. Each fuel cell unit is electrically connected with each lithium-ion battery unit in parallel to directly charge the lithium-ion battery unit. | 01-03-2013 |
20130004826 | LITHIUM ION BATTERY - The present disclosure relates to a lithium ion battery. The lithium ion battery cathode includes a cathode, a separator, an anode, and a nonaqueous electrolyte solution. The cathode includes a cathode current collector and a cathode material layer disposed on a surface of the cathode current collector. The cathode material layer comprises cathode active material, conductive agent, and adhesive uniformly mixed together. The cathode active material comprises cathode active material particles and AlPO | 01-03-2013 |
20130099172 | PHOSPHORATED COMPOSITE AND ANODE USING THE SAME - A phosphorated composite capable of electrochemical reversible lithium storage includes a conductive matrix and red phosphorus. The conductive matrix includes a material being selected from the group consisting of conductive polymer and conductive carbonaceous material. A weight percentage of the conductive matrix in the phosphorated composite ranges from about 10% to about 85%. A weight percentage of the red phosphorus in the phosphorated composite ranges from about 15% to about 90%. An anode using the phosphorated composite is also provided. | 04-25-2013 |
20130099173 | METHOD FOR MAKING PHOSPHORATED COMPOSITE - A method for making the phosphorated composite e is provided. First, a mixture is obtained by mixing a source material with red phosphorus. The weight ratio of the source material to the red phosphorus ranges from about 1:10 to about 5:1. Second, the mixture is dried in an inert atmosphere or vacuum. Third, the mixture is heated in a reacting room filled with an inert atmosphere so that the red phosphorus sublimes. Finally, the reacting room is cooled down. | 04-25-2013 |
20130136989 | LITHIUM ION PHOSPHATE HIERARCHICAL STRUCTURE, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A lithium iron phosphate hierarchical structure includes a plurality of lithium iron phosphate nano sheets and has an overall spherical-shaped structure. The overall spherical-shaped structure is constructed by a plurality of lithium iron phosphate nano sheets layered together. A method for making a lithium iron phosphate hierarchical structure includes several steps. In the method, a lithium ion contained liquid solution, a ferrous ion contained liquid solution, and a phosphate ion contained liquid solution are respectively provided. A concentration of lithium ions in the lithium ion contained liquid solution is equal to or larger than 1.8 mol/L. The lithium ion contained liquid solution, the ferrous ion contained liquid solution, and the phosphate ion contained liquid solution are mixed to form a liquid mixture. The liquid mixture is heated in a sealed reactor to form the lithium iron phosphate hierarchical structure. | 05-30-2013 |
20130136990 | CATHODE ACTIVE MATERIAL, METHOD FOR MAKING THE SAME AND LITHIUM ION BATTERY USING THE SAME - A cathode active material of a lithium ion battery includes a number of LiNi | 05-30-2013 |
20130146446 | MEMBRANE REACTOR - A membrane reactor used for electrochemically converting a carbon dioxide gas into an expected product includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a fuel cell. The solid electrolyte membrane separator is disposed in the cavity and divides the cavity into two chambers defined as a cathode chamber and an anode chamber. The cathode is disposed in the cathode chamber, and the anode is disposed in the anode chamber. The fuel cell is disposed outside the cavity to provide an electrolytic voltage. The fuel cell includes a fuel inlet, an oxidant inlet, and a reaction product outlet. The expected product includes a hydrogen gas and an oxygen gas. The hydrogen gas used as a fuel is fed in the fuel inlet, and the oxygen gas used as an oxidant is fed in the oxidant inlet for the fuel cell to produce electrical power. | 06-13-2013 |
20130146448 | MEMBRANE REACTOR - A membrane reactor used for electrochemically converting a carbon dioxide gas into an expected product includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a power source. The solid electrolyte membrane separator is disposed in the cavity and divides the cavity into two chambers defined as a cathode chamber and an anode chamber. The cathode is disposed in the cathode chamber, and the anode is disposed in the anode chamber. The cathode is a trickle bed structure including a porous conductive layer and cathode particles disposed on the porous conductive layer. The power source is disposed outside the cavity to provide an electrolytic voltage. | 06-13-2013 |
20130146470 | METHOD FOR ELECTROCHEMICALLY CONVERTING CARBON DIOXIDE - A method for electrochemically converting a carbon dioxide gas into expected products includes using a member reactor. In the method, a membrane reactor includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a fuel cell is provided. A cathode electrolyte and the carbon dioxide gas are passed through the cathode, and an anode electrolyte and an anode active material are passed through the anode chamber at the same time. An electrolytic voltage is applied to decompose the carbon dioxide gas into expected products. The expected products include a hydrogen gas and an oxygen gas which are fed back to the fuel cell to generate electric power. | 06-13-2013 |
20130157144 | SOLID ELECTROLYTE AND LITHIUM BASED BATTERY USING THE SAME - A solid electrolyte includes an interpenetrating polymer network, a plasticizer and a lithium salt. The plasticizer and the lithium salt are dispersed in the interpenetrating polymer network. The interpenetrating polymer network includes CH | 06-20-2013 |
20130157145 | METHOD FOR MAKING SOLID ELECTROLYTE - A method for making a solid electrolyte includes the following steps. A first monomer, a second monomer, an initiator and a lithium salt are provided. Wherein the first monomer is R | 06-20-2013 |
20130157146 | SOLID ELECTROLYTE AND LITHIUM BASED BATTERY USING THE SAME - A solid electrolyte includes an interpenetrating polymer network and a lithium salt dispersed in the interpenetrating polymer network. The interpenetrating polymer network includes CH | 06-20-2013 |
20130158152 | INTERPENETRATING POLYMER NETWORK AND METHOD FOR MAKING THE SAME - An interpenetrating polymer network includes CH | 06-20-2013 |
20130171055 | METHOD FOR MAKING GRAPHENE - In the method for making graphene, an electrolyte solution is formed by dissolving an electrolyte lithium salt in an organic solvent. Lithium ions are separated out from the electrolyte lithium salt in the electrolyte solution. Metal lithium and graphite are disposed in the electrolyte solution, and the metal lithium and the graphite are in contact with each other. In the electrolyte solution, lithium ions and organic solvent molecules jointly insert between adjacent layers of the graphite to form a graphite intercalation compound. The graphene is peeled off from the graphite intercalation compound. | 07-04-2013 |
20130171339 | METHOD FOR MAKING SULFUR-GRAPHENE COMPOSITE MATERIAL - A method for making sulfur-graphene composite material is disclosed. In the method, a dispersed solution including a solvent and a plurality of graphene sheets dispersed in the solvent is provided. A sulfur-source chemical compound is dissolved into the dispersed solution to form a mixture. A reactant, according to the sulfur-source chemical compound, is introduced to the mixture. Elemental sulfur is produced on a surface of the plurality of graphene sheets due to a redox reaction between the sulfur-source chemical compound and the reactant, to achieve the sulfur-graphene composite material. The sulfur-graphene composite material is separated from the solvent. | 07-04-2013 |
20130171355 | METHOD FOR MAKING SULFUR-GRAPHENE COMPOSITE MATERIAL - A method for making a sulfur-graphene composite material is provided. In the method, an elemental sulfur solution and a graphene dispersion are provided. The elemental sulfur solution includes a first solvent and an elemental sulfur dissolved in the first solvent. The graphene dispersion includes a second solvent and graphene sheets dispersed in the second solvent. The elemental sulfur solution is added to the graphene dispersion, a number of elemental sulfur particles are precipitated and attracted to a surface of the graphene sheets to form the sulfur-graphene composite material. The sulfur-graphene composite material is separated from the mixture. | 07-04-2013 |
20130171517 | CURRENT COLLECTOR, ELECTRODE OF ELECTROCHEMICAL BATTERY, AND ELECTROCHEMICAL BATTERY USING THE SAME - A current collector includes a metal foil and a graphene film coated on a surface of the current collector. An electrode of an electrochemical battery includes the current collector and an electrode active material layer coated on a surface of the current collector. An electrochemical battery is also provided which including the electrode. | 07-04-2013 |
20130224369 | METHOD FOR MAKING ANODE ACTIVE MATERIAL - A method for making an anode active material is described. The anode active material includes a phosphorus composite material. In the method, a solid-state red phosphorus and a porous conductive carbon material are provided. The solid-state red phosphorus and the porous conductive carbon material are spaced disposed in a vessel and the vessel is sealed. The solid-state red phosphorus is sublimed by heating the vessel to make the sublimed red phosphorus diffused in the porous conductive carbon material. The sublimed red phosphorus is condensed. The condensed red phosphorus adsorbs in the porous conductive carbon material to form the phosphorus composite material. | 08-29-2013 |
20130224372 | METHOD FOR MAKING LITHIUM BATTERY CATHODE COMPOSITE MATERIAL OF LITHIUM IRON PHOSPHATE/LITHIUM VANADIUM PHOSPHATE COMPOSITE - A method for making a lithium battery cathode composite is provided. A mixed solution including a solvent, an iron salt, and a phosphate is provided. An alkaline solution is added in the mixed solution until the mixed solution has a pH value in a range from about 1.5 to about 5. The mixed solution is stirred to react the iron salt with the phosphate to form a number of iron phosphate precursor particles. The iron phosphate precursor particles are heated. A lithium source solution, a reducing agent, and the iron phosphate precursor particles are mixed to form a lithium iron phosphate precursor slurry. Outer surfaces of the lithium vanadium phosphate particles are coated with the lithium iron phosphate precursor. | 08-29-2013 |
20130225767 | METHOD FOR MAKING PHOSPHORATED POLYMER - A method for making a phosphorated polymer is also provided. An organic polymer and phosphorus are mixed to obtain a mixture. A weight ratio of the organic polymer to the phosphorus ranges from about 1:10 to about 4:1. The mixture is dried in an inert atmosphere or vacuum. The mixture is heated in an inert atmosphere or vacuum so that the phosphorus sublimes and reacts with the organic polymer to form a preform. The preform is cooled down to room temperature and immersed in an alkaline solution. The pH of the preform is adjusted to be neutral. The preform is dried. | 08-29-2013 |
20130302678 | LITHIUM ION BATTERY - A lithium ion battery includes a cathode electrode, an anode electrode, and an electrolyte. The anode electrode is spaced from the cathode electrode. The anode electrode includes an anode active material. The anode active material includes sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The electrolyte is located between the cathode electrode and the anode electrode. | 11-14-2013 |
20130305525 | METHOD FOR MAKING CURRENT COLLECTOR - A method for making current collector is described. In the method, a substrate, a graphene film, and a plastic support film are provided. The substrate has a surface. The graphene film is disposed on the surface of the substrate. The graphene film disposed on the surface of the substrate and the plastic support film are laminated to form a substrate-graphene-plastic support film composite structure. The substrate is removed. | 11-21-2013 |
20130307485 | CYCLING METHOD FOR SULFUR COMPOSITE LITHIUM ION BATTERY - A method for cycling a sulfur composite lithium ion battery includes a step of charging and discharging the sulfur composite lithium ion battery at a first voltage range between a predetermined highest voltage and a predetermined lowest voltage. The lithium ion battery includes an electrode active material. The electrode active material includes a sulfur composite. The step of charging and discharging satisfies at least one conditions of (1) and (2): (1) the predetermined lowest voltage of the first voltage range is larger than a discharge cutoff voltage of the sulfur composite; and (2) the predetermined highest voltage of the first voltage range is smaller than a charge cutoff voltage of the sulfur composite. A method for using a sulfur composite as an electrode active material of a lithium ion battery is also disclosed. | 11-21-2013 |
20130309565 | CURRENT COLLECTOR, ELECTROCHEMICAL CELL ELECTRODE AND ELECTROCHEMICAL CELL - A current collector includes a plastic support film and a graphene film covering on at least one surface of the plastic support film. An electrochemical cell electrode includes the current collector and an electrode material layer covering on at least one surface of the current collector. An electrochemical cell is also provided which including the electrochemical cell electrode. | 11-21-2013 |
20140008233 | METHODE FOR MAKING ELECTRODE ACTIVE MATERIAL OF LITHIUM ION BATTERY - A method for making an electrode active material of a lithium ion battery is disclosed. In the method, elemental sulfur is mixed with a polyacrylonitrile to form a mixture. The mixture is heated in vacuum or a protective gas at a heating temperature of about 250° C. to about 500° C., to form a sulfur containing composite. The sulfur containing composite is reacted with a reducing agent for elemental sulfur in a liquid phase medium to remove part of the elemental sulfur from the sulfur containing composite. | 01-09-2014 |
20140045059 | CATHODE ELECTRODE AND LITHIUM ION BATTERY - A cathode electrode of a lithium ion battery includes a cathode current collector and a cathode material layer. The cathode material layer is located on a surface of the cathode current collector. The cathode material layer includes a cathode active material. The cathode active material includes sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The cathode current collector includes a polymer substrate and a graphene layer located on a surface of the polymer substrate adjacent to the cathode material layer. A lithium ion battery using the cathode electrode is also disclosed. | 02-13-2014 |
20140077818 | METHODS FOR TESTING LITHIUM ION BATTERY AND EVALUATING SAFETY OF LITHIUM ION BATTERY - A method for testing a lithium ion battery is disclosed. An under-test lithium ion battery including a cathode active material is provided. A reference voltage value is set according to the cathode active material. The under-test lithium ion battery is over charged, while an actual voltage change of the under-test lithium ion battery is tested during the over charging. A maximum voltage value is recorded before a first decrease in the actual voltage change of the under-test lithium ion battery during the over charging. The maximum voltage value is compared with the reference voltage value. A method for evaluating a safety of a lithium ion battery is also disclosed. | 03-20-2014 |
20140113065 | METHODS FOR MAKING CURRENT COLLECTOR AND ELECTRODE OF ELECTROCHEMICAL BATTERY - A method for making a current collector of an electrochemical battery is disclosed. In the method, a current collecting metal substrate and a solid graphite source are provided. A graphite/graphene layer is formed on at least one surface of the current collecting metal substrate, by rubbing the at least one surface of the current collecting metal substrate with the solid graphite source. A method for making an electrode of an electrochemical battery is also disclosed. | 04-24-2014 |
20140158526 | CATHODE CATALYST, CATHODE MATERIAL USING THE SAME, AND REACTOR USING THE SAME - A cathode catalyst used for conversion of a carbon dioxide gas by an electrochemical reduction includes at least one first catalyst layer and at least one second catalyst layer disposed on a surface of the at least one first catalyst layer. The at least one second catalyst layer is a porous structure. The at least one first catalyst layer and the at least one second catalyst layer are physically combined with each other, and materials of the at least one first catalyst layer and the at least one second catalyst layer are different. A cathode material and a reactor include the cathode catalyst are also provided. | 06-12-2014 |
20140186717 | LITHIUM ION BATTERY - A lithium ion battery includes a cathode, an anode, and an electrolyte sandwiched between the cathode and the anode. The cathode includes a cathode active material. The anode is spaced from the cathode. The cathode active material includes a sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The sulfur includes a number of poly-sulfur groups or a number of elemental sulfur particles dispersed in the poly(pyridinopyridine) matrix. The electrolyte is a gel electrolyte. | 07-03-2014 |
20140295283 | COBALT OXIDE, COMPOSITE OF COBALT OXIDE, AND METHOD FOR MAKING THE SAME - A cobalt oxide is disclosed and is represented by a chemical formula of Co | 10-02-2014 |
20150051354 | METHOD FOR MAKING PHOSPHORATED POLYMER - This disclosure is related to a method for making a phosphorated polymer for electrochemical reversible lithium storage. A mixture including organic polymer and phosphorus is first heated and then cooled down to room temperature. The mixture is immersed in an alkaline solution after cooling own to room temperature. The pH of the mixture is adjusted to be neutral after immersing in the alkaline solution. The alkaline solution is removed. | 02-19-2015 |
20150086461 | METHOD FOR MAKING LITHIUM IRON PHOSPHATE - A method for making lithium iron phosphate is provided. A lithium chemical compound, a ferrous chemical compound, and a phosphate-radical chemical compound are mixed in an organic solvent to form a mixture. The mixture is solvothermal reacted in a solvothermal reactor at a predetermined temperature. A protective gas is introduced into the solvothermal reactor during the solvothermal reaction to increase a pressure in the solvothermal reactor to a level higher than a self-generated pressure of the solvothermal reaction. | 03-26-2015 |
Patent application number | Description | Published |
20100104129 | EMBEDDING AND DETECTING WATERMARKS - A watermark embedding method for embedding a secret message sequence in a document. The techniques include obtaining layout information of the document, extracting a digest of the document by using a Hash function, calculating embedded positions where the secret message sequence is embedded in the document, and dispersedly hiding the secret message sequence in each of the calculated embedded positions by altering the layout of the document. Also provided is a watermark embedding apparatus, a corresponding watermark detecting method and apparatus, and a method and system for detecting document integrity. The integrity of documents in various forms can be detected, and secret information to be hidden can be embedded therein and extracted therefrom. The techniques described are not limited to the document either in soft copy or in hard copy and have good robustness. | 04-29-2010 |
20110269469 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the wireless network communication field, and discloses a method for handover between multi-carrier cells to avoid repeated handover decisions caused by delay of the triggering event. The method includes: the source cell receives a measurement report triggered by an event reported by a served User Equipment (UE); and the source cell executs a handover decision according to measurement reports triggered by multiple events after receiving the measurement reports triggered by the multiple events within an estimated interval, and hands over the UE to the corresponding carrier of the corresponding target cell. With the present invention, the resources of the source cell and the target cell may be saved, and the handover efficiency may be improved. | 11-03-2011 |
20110286433 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the radio communication field and discloses a method, an apparatus, and a system for handover between multi-carrier cells, so that a user equipment (UE) can be handed over to carriers of different cells on multiple target evolved NodeBs (eNBs). The handover method includes: after performing handover request acknowledge, receiving serial numbers (SNs) of data to be transferred and identifier information of target eNBs of other carriers to which the UE is handed over sent by a source eNB; and transferring scheduling information to the target eNBs of other carriers to which the UE is handed over. | 11-24-2011 |
20110312281 | METHOD, EQUIPMENT FOR SUBMITTING A MEASUREMENT REPORT - A method, relevant equipment and system for determining a User Equipment (UE) or UEs affecting a neighboring cell are disclosed. The method for determining UE or UEs affecting a neighboring cell includes: receiving load information sent by a neighboring cell, where the load information indicates an interfered Physical Resource Block (PRB) of the neighboring cell; determining a UE or UEs that occupy, when scheduling is performed, the interfered PRB; determining UEs located in an Inter-Cell Interference Coordination (ICIC) measurement area corresponding to the neighboring cell; and obtaining an intersection of the UE or UEs that occupy, when scheduling is performed, the interfered PRB and the UE or UEs located in the ICIC measurement area corresponding to the neighboring cell. The technical solution under the present invention enables accurate determining of the UE or UEs that affect the neighboring cell. | 12-22-2011 |
20120033570 | DOWNLINK INTER-CELL INTERFERENCE COORDINATION METHOD AND ENB - Embodiments of the present invention disclose a downlink Inter-Cell Interference Coordination (ICIC) method and relate to the wireless communication field. The method includes: obtaining information about multiple carriers in a current cell; obtaining, according to the information about the multiple carriers, a downlink ICIC parameter corresponding to each carrier of the multiple carriers; and sending the downlink ICIC parameter corresponding to each carrier to a neighboring cell of the current cell so as to enable the neighboring cell to perform, according to the downlink ICIC parameter, downlink interference coordination with the first cell. The embodiments of the present invention are applicable to downlink ICIC in a multi-carrier system. | 02-09-2012 |
20120045131 | Method of and apparatus for processing images - Ruled lines are extracted and fitted into a real 2-D space. Correspondence between fitted cells and template cells of a ruled line template is determined. For each pair of cells corresponding to each other, the position of each pixel in the template cell is mapped into a real position in the real 2-D space based on an affine transformation between the cells. A pixel value based on pixel values of a plurality of pixels in the image with positions adjacent to the real position is generated as a pixel value of the pixel in the template cell corresponding to the real position. A synthesized image corresponding to the image is generated by merging the ruled lines of the ruled line template with the pixels in the template cells having the pixel values as generated. A form template is obtained based on the synthesized images corresponding to the plurality of images. | 02-23-2012 |
20120170505 | Method, Device and System for a Relay to Establish a Connection with a Base Station - A method, a device and a system for a relay to establish a connection with a base station are disclosed. Interface information sent from a serving base station is received. Resource information is obtained from the interface information. The resource information is used to indicate wireless resources used when the relay communications with a non-serving base station. A wireless connection is established with the non-serving base station in the wireless resources indicated by the resource information. | 07-05-2012 |
20120196643 | METHOD FOR CONTROLLING UPLINK POWER OF LONG TERM EVOLUTION SYSTEM, BASE STATION, MOBILE TERMINAL - A method for controlling uplink power of an LTE system, a base station, and a mobile terminal are disclosed according to the embodiments of the present invention. The method includes: obtaining uplink transmit power of each carrier; sending first notification signaling to a base station if a difference between the obtained uplink transmit power of each carrier exceeds a specific threshold; and sending second notification signaling to the base station if a sum of the obtained uplink transmit power of each carrier exceeds a preset threshold. Thresholds are determined according to network conditions, and uplink power of a carrier is adjusted in a balanced way, a bit error rate is reduced and a case that a low-performance carrier is forced to be interrupted is prevented. | 08-02-2012 |
20120276909 | Method and User Equipment for Cell Selection of Heterogeneous Network - Embodiments of the present invention provide a method and a user equipment for cell selection of a heterogeneous network. The UE selects, a cell with a highest signal measurement value in a carrier frequency synchronizes to the cell, and receives broadcast information of the cell. If the cell is a macro cell, the broadcast information carries an extended indicator bit and the extended indicator bit is used to identify whether a low-power cell exists in the coverage of the macro cell. If the extended indicator bit identifies that the low-power cell exists in the coverage of the macro cell, the low-power cell in the macro cell is searched for, and if a low-power cell in the macro cell satisfies an S rule, the UE selects the lower-power cell as a serving cell and camps. | 11-01-2012 |
20120288203 | METHOD AND DEVICE FOR ACQUIRING KEYWORDS - Locating text areas in an image and recognizing text contents in the text areas through optical character recognition, OCR; selecting a first class of pending keywords from the recognized text contents to search for webpages; extracting a second class of pending keywords from the retrieved webpages; and determining one or more keywords corresponding to the image from at least the second class of pending keywords. With the embodiment, both OCR and webpage searching can be combined so that the webpages can be retrieved based upon the first class of pending keywords recognized and selected through OCR to ensure convergence of the keywords and then the second class of pending keywords can be selected from the retrieved webpages to ensure correctness of the keywords. | 11-15-2012 |
20120320433 | IMAGE PROCESSING METHOD, IMAGE PROCESSING DEVICE AND SCANNER - The image processing method includes: determining an edge map of a foreground object in an image; obtaining candidates for a boundary line from the edge map and determining the boundary line among the candidates for the boundary line, the boundary line defining the boundary of a specific object in the foreground object; and removing the foreground object beyond the boundary line other than the specific object. This method can be applied to removing an image of another object, e.g., hands, etc., in a captured image beyond the boundary of a specific object. With the image processing method according to the embodiments, the boundary of the specific object in the image can be determined accurately to thereby remove another object beyond the boundary and facilitate subsequent other image processing. | 12-20-2012 |
20120321198 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - An image processing method includes estimating corners of a contour of an object area in an obtained image, searching for contour lines of the object area between every two points which are offset from the estimated corners within a predetermined degree or distance along a direction away from the object area respectively, and determining intersection points of the contour lines as final corners of the contour of the object area, and determining contour lines between the final corners as a final contour of the object area. | 12-20-2012 |
20130182969 | METHOD AND APPARATUS FOR CORRECTING CORNER POINT OF IMAGE AND IMAGE PROCESSING DEVICE - The present invention discloses a method and apparatus for correcting a corner point of an image and an image processing device. The method includes: determining first candidate corner points of an initial corner point in a first local region; obtaining information related to the image in a second local region; selecting, among the first candidate corner points of the initial corner point, the first candidate corner points meeting a predetermined condition, as second candidate corner points of the initial corner point according to the information; and correcting the initial corner point using the second candidate corner points of the initial corner point. The apparatus is configured to perform the processes of the method. The image processing device includes the apparatus for correcting a corner point of an image. With the technology, a roughly detected corner point can be corrected. | 07-18-2013 |
20130259385 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD AND APPARATUS - The present invention provides an image processing device, an image processing method and an apparatus so as to improve at least the precision of extracting document corners in image processing performed on an image captured for a document. The image processing device includes: an extracting unit for extracting boundaries of a document in a first direction and roughly-detected document corners, where the first direction is a horizontal direction or a vertical direction of the document image; a determining unit for determining candidate page corners on the boundaries in the first direction around the roughly-detected document corners; and a selecting unit for determining document corners of the document among the candidate page corners. With the foregoing technology of the invention, more precise document corners can be extracted, a better effect of image processing can be obtained, and applications in the field of image processing are possible. | 10-03-2013 |
20130272602 | METHOD AND APPARATUS FOR PROCESSING SCANNED IMAGE - The present invention relates to a method and apparatus for processing a scanned image. The method for processing a scanned image comprises: a shaded region extracting step of extracting a region, which is shaded by a shading object and lies in a margin in the vicinity of an edge of the scanned image, as a shaded region; and a pixel value repairing step of repairing values of pixels, which lie both in a line segment and the shaded region, by using a linear model according to known values of pixels, which lie both in the line segment and the margin, the line segment passing through the shaded region and being parallel to the edge. | 10-17-2013 |
20130322757 | Document Processing Apparatus, Document Processing Method and Scanner - The disclosure provides a document processing apparatus, method and a scanner. The document processing apparatus includes: a text line extraction unit extracting a text line from an input document; a language classification unit determining whether an OCR process is necessary for a language of the input document; an OCR unit determining, by performing the OCR process, an OCR confidence in the case that it is determined that the OCR process is necessary; an graphic feature recognition unit determining an graphic feature recognition confidence; and a determination unit determining a combination confidence based on at least one of the determined graphic feature recognition confidences and the determined OCR confidences, and determining an orientation of the input document based on the combination confidences. This technical solution can determine better an orientation of the document, and is especially applicable when the quality of the image of the document is deteriorated. | 12-05-2013 |
20130322768 | BOUNDARY EXTRACTION METHOD AND APPARATUS - The present invention discloses a boundary extraction method and apparatus, the method including: a gradient estimation step of estimating a gradient of each pixel in a captured image; a gradient adjustment step of adjusting, by enhancing a gradient of a target boundary of an object contained in the captured image and weakening a gradient of a noise boundary, the estimated gradient, so that the adjusted gradient is considered as a current gradient; and a boundary extraction step of extracting a boundary of the object based on the current gradient. According to the embodiments of the invention, in a case of using a non-contact imaging device to capture an image, it is possible to more accurately extract a boundary of an object contained in the captured image. | 12-05-2013 |
20130322769 | Image Processing Device, Image Processing Method, Scanner and Storage Medium - The disclosure provides an image processing device, image processing method, scanner and storage medium. The image processing device is used for tracing a boundary of an object image in an image, the boundary being continuous and the rate of change in slope between adjacent points on the boundary being slow. The image processing device includes: a boundary estimation unit, adapted to estimate the location of the boundary of the object image; an interfering gradient processing unit, adapted to process an interfering gradient near the estimated boundary, so as to reduce the interfering gradient or remove the interfering gradient from the image; and a boundary tracing unit, adapted to trace the boundary in the image having the interfering gradient processed. By using the technique of the disclosure, the accuracy of tracing a boundary of an image is improved significantly. | 12-05-2013 |
20140220978 | CELL RESELECTION METHOD, DEVICE, AND SYSTEM - Embodiments of the present invention provide a cell reselection method, device, and system, where the method includes: receiving a broadcast message sent in a first cell by a base station, where the broadcast message includes information about a set of second cells; when it is determined, according to the information about the set of the second cells, that a target reselection cell is a second cell, determining, according to second-cell reselection parameter information, time for performing cell reselection; or when it is determined, according to the information about the set of the second cells, that a target reselection cell is not a second cell, determining, according to first-cell reselection parameter information, time for performing cell reselection. | 08-07-2014 |
20150030124 | VEHICLE PULLING DEVICE, SYSTEM FOR PASSING VEHICLE IN TWO MODES, AND INSPECTION SYSTEM THEREOF - A vehicle pulling device, a system for passing a vehicle in two modes, and an inspection system for scanning a vehicle by radiation are disclosed. The vehicle pulling device comprises a movable chassis disposed in a travel passage for a vehicle and being movable in a first direction; and a support beam disposed to the movable chassis and being rotatable between a first position and a second position. In the first position, the support beam is located substantially in a second direction substantially perpendicular to the first direction, such that wheels of the vehicle are interacted with the support beam of the vehicle pulling device so that the vehicle is pulled to pass through the travel passage; and in the second position, the support beam is located substantially parallel to the first direction such that the wheels of the vehicle are not interacted with the support beam of the vehicle pulling device so that the vehicle travels by oneself to pass through the travel passage. Therefore, when the vehicle does not need to be pulled, the support beam is rotated to the second position, and the vehicle travels by oneself to pass through the travel passage. When the support beam is rotated to the first position, the vehicle pulling device can pull the vehicle to pass through the passage. | 01-29-2015 |
20150036920 | CONVOLUTIONAL-NEURAL-NETWORK-BASED CLASSIFIER AND CLASSIFYING METHOD AND TRAINING METHODS FOR THE SAME - The present invention relates to a convolutional-neural-network-based classifier, a classifying method by using a convolutional-neural-network-based classifier and a method for training the convolutional-neural-network-based classifier. The convolutional-neural-network-based classifier comprises: a plurality of feature map layers, at least one feature map in at least one of the plurality of feature map layers being divided into a plurality of regions; and a plurality of convolutional templates corresponding to the plurality of regions respectively, each of the convolutional templates being used for obtaining a response value of a neuron in the corresponding region. | 02-05-2015 |