19th week of 2012 patent applcation highlights part 33 |
Patent application number | Title | Published |
20120113917 | INTERACTION OF PDSCH RESOURCE MAPPING, CSI-RS, AND MUTING - Certain aspects of the present disclosure provide techniques that may help resolve ambiguities between a base station and a user equipment (UE) regarding the use or resource elements (REs) reserved for special purposes, such as PDSCH muting and/or CSI-RS. | 2012-05-10 |
20120113918 | SILENT PERIOD METHOD AND APPARATUS FOR DYNAMIC SPECTRUM MANAGEMENT - Described herein is a silent period method and apparatus for dynamic spectrum management. The methods include configuration and coordination of silent periods across an aggregated channel in a wireless communication system. A silent period management entity (SPME) dynamically determines silent period schedules for channels based on system and device information and assigns a silent period duration and periodicity for each silent period. The SPME may reconfigure the silent period schedule based on system delay, system throughput, channel quality or channel management events. A silent period interpretation entity (SPIE) receives and implements the silent period schedule. The silent periods for the channels may be synchronized, independent, or set-synchronized. Interfaces for communicating between the SPME, SPIE, a channel management function, a medium access control (MAC) quality of service (QoS) entity, a sensing/capabilities database, a MAC layer management entity (MLME) and a wireless receive/transmit unit (WTRU) MLME are described herein. | 2012-05-10 |
20120113919 | Method of Handling Power Headroom Reporting for Activated Serving Cell with Configured Uplink - A method of handling power headroom reporting for activated serving cell with configured uplink, for a communication device in a wireless communication system is disclosed. The method comprises triggering a power headroom report for each activated serving cell with configured uplink when an activated serving with configured uplink is deactivated or removed. | 2012-05-10 |
20120113920 | RESOURCE ALLOCATION METHOD AND APPARATUS FOR WIRELESS COMMUNICATION SYSTEM - A resource allocation method of a base station in a wireless communication system based on a radio frame including a plurality of subframes including at least one first-type subframe and at least one second-type subframe is provided. The method includes generating first-type downlink control information including resource allocation information on the first-type subframe, generating second-type downlink control information including resource allocation information on the second-type subframe, and transmitting the first-type subframe including the first-type downlink control information and the second-type downlink control information, wherein the second-type subframe is transmitted with a lower transmit power than the transmit power of the first-type subframe. | 2012-05-10 |
20120113921 | Adaptive Selection of Transmission Parameters for Reference Signals - A method and apparatus for defining transmission parameters of user equipment reference signals. The method includes estimating channel delay spreads of a plurality of user equipments scheduled for transmission at a particular transmission time period or sub-frame in an uplink for communication with a NodeB, and allocating transmission parameters to each scheduled user equipment of the plurality of user equipments in accordance to the delay spreads of the plurality of user equipments scheduled for transmission in the particular time period or sub-frame, wherein the parameters comprises a cyclic shift allocated to each m-th user equipment equal to the sum of a delay spread and a timing uncertainty of each of the previous m-1 user equipments. | 2012-05-10 |
20120113922 | APPARATUS AND METHOD FOR REPORTING BUFFER STATUS OF UE IN MOBILE COMMUNICATION SYSTEM - A method for reporting buffer status of a User Equipment (UE) in a mobile communication system is provided. The method for reporting buffer status of the UE in the mobile communication system includes being allocated a transmission resource from a node B; determining information to add to a certain region of a first Medium Access Control (MAC) subheader through an N-th MAC subheader using the transmission resource; generating a MAC Protocol Data Unit (PDU) by concatenating the first MAC subheader through the N-th MAC subheader with corresponding payload elements; and transmitting the generated MAC PDU. | 2012-05-10 |
20120113923 | Wireless Communication Apparatus, Mobile Terminal and Wireless Communication Method - Wireless communication with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. A frequency channel allocating section allocates frequency channels, a terminal reception quality information processing section calculates an optimal modulation rate and required transmit power for each subcarrier, a subcarrier power control section controls a level of transmit power for each subcarrier, and a determining section checks a reception bandwidth of a communicating apparatus, while determining whether the communicating apparatus is a full band terminal capable of receiving all the frequency channels in the system band or a limited band terminal capable of receiving only part of frequencies. When the communicating apparatus is the limited band terminal, the transmit power of all or part of subcarriers is decreased in a frequency channel that is adjacent to a reception band allocated to the communicating apparatus and that is allocated to another communicating apparatus. | 2012-05-10 |
20120113924 | Wireless Communication Apparatus, Mobile Terminal and Wireless Communication Method - Wireless communication with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. A frequency channel allocating section allocates frequency channels, a terminal reception quality information processing section calculates an optimal modulation rate and required transmit power for each subcarrier, a subcarrier power control section controls a level of transmit power for each subcarrier, and a determining section checks a reception bandwidth of a communicating apparatus, while determining whether the communicating apparatus is a full band terminal capable of receiving all the frequency channels in the system band or a limited band terminal capable of receiving only part of frequencies. When the communicating apparatus is the limited band terminal, the transmit power of all or part of subcarriers is decreased in a frequency channel that is adjacent to a reception band allocated to the communicating apparatus and that is allocated to another communicating apparatus. | 2012-05-10 |
20120113925 | METHOD FOR EFFECTIVELY TRANSMITTING CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method of performing HARQ performed by a user equipment (UE) is provided. The method includes receiving a bundling indicator which indicates the number of bundled downlink subframes, determining whether at least one bundled downlink subframe is missed by comparing the bundling indicator with the number of detected bundled downlink subframes, generating a representative ACK/NACK signal when no bundled downlink subframe is missed, and transmitting the representative ACK/NACK signal on an uplink channel. Recovery capability is maximized and the packet loss is reduced in such a situation that less number of ACK/NACK signals are fed back than that of downlink packets. | 2012-05-10 |
20120113926 | METHOD AND APPARATUS FOR HANDLING UPLINK GRANT - A method for handling an uplink grant received on a physical downlink control channel (PDCCH) in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of setting a Temporary Cell Radio Network Temporary Identifier (Temporary C-RNTI) of the UE to a value assigned in a Random Access Response message, monitoring a contention resolution message, receiving an uplink grant on PDCCH addressed to the Temporary C-RNTI, and not using the uplink grant to transmit data if the uplink grant corresponds to a Hybrid Automatic Repeat Request (HARQ) Process different from an HARQ Process used for transmission of a MediumAccess Control (MAC) Protocol Data Unit (PDU) in a Message | 2012-05-10 |
20120113927 | METHOD AND APPARATUS FOR INTERLEAVING SEQUENCE ELEMENTS OF AN OFDMA SYNCHRONIZATION CHANNEL - A method and apparatus is provided for transmitting an orthogonal frequency domain multiple access (OFDMA) signal including a synchronization channel signal transmitted including a plurality of sequence elements interleaved in time and frequency. The synchronization channel signal sequence elements enable an initial acquisition and cell search method with low computational load by providing predetermined time domain symmetry for common sequence elements in OFDMA symbol periods for OFDMA symbol timing detection and frequency error detection in an OFDMA system supporting multiple system bandwidths, both synchronized and un-synchronized systems, a large cell index and an OFDMA symbol structure with both short and long cyclic prefix length. | 2012-05-10 |
20120113928 | METHOD FOR ALLOCATING BITS IN MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM AND RECORDING MEDIUM FOR RECORDING PROGRAM THEREFOR - The present invention relates to a method for allocating bits in a multiple input multiple output communication system that can improve transmission by allocating bits having high priority to a particular antenna selected by considering channel state of transmitting antennas, and a recording medium written with a program for said method. The method of allocating bits includes: generating bits through channel coding and rearranging the bits in an interleaving fashion; determining whether symbol mapping based on priority is to be applied, based on channel information of a receiving side; rearranging the bits or selecting a particular antenna, according to said determination; and modulating the rearranged bits and transmitting the bits through the selected antenna. | 2012-05-10 |
20120113929 | Method and Device for Resource Allocation Control in Radio Communications System - A resource allocation control method and device that can reduce inter-cell interference in a radio communications system are provided. According to a method for resource allocation control between a plurality of cells in a radio communications system, radio communication devices respectively controlling at least two cells notify information about control resources of its own cell to each other. In the resources of its own cell, each of the radio communication devices sets a buffer resource within a predetermined resource range corresponding to a control resource of the other cell. At a request for information transmission in its own cell, each of the radio communication devices restricts the allocation of the set buffer resource. | 2012-05-10 |
20120113930 | PILOT SIGNAL TRANSMITTING METHOD, RADIO COMMUNICATION SYSTEM, AND APPARTUS AND PROGRAM USED FOR THE SAME - A larger cell uses a pilot pattern with a higher pilot density in a frequency axis direction to improve a channel estimation accuracy when a frequency selective fading variation is large. Meanwhile, a smaller cell uses a pilot pattern with a lower pilot density in the frequency axis direction. A pilot pattern that each base station uses is transmitted to a mobile station in a cell as a report signal. | 2012-05-10 |
20120113931 | PILOT SIGNAL TRANSMISSION METHOD AND RADIO COMMUNICATION APPARATUS - In a radio communication system, transmission of CAZAC sequences as the pilot signal sequences by using code division multiplexing as at least one of user multiplexing schemes, is done by dividing a system band as a frequency band usable in the system into frequency blocks B | 2012-05-10 |
20120113932 | MOBILE STATION APPARATUS AND CONTROL CHANNEL DECODING METHOD - A wireless communication base station apparatus that allows the number of times of blind decodings at a mobile station to be reduced without increasing the overhead caused by notifying information. In this apparatus, a CCE allocation part ( | 2012-05-10 |
20120113933 | SYSTEM AND METHOD OF MANAGING INFORMATION DISTRIBUTION TO MOBILE STATIONS - A system and method for distributing information from a host service in communication with a computer network to a mobile station in communication with a wireless network is provided. A data item associated with the mobile station is received at the host service. The host service then determines whether a network resource of the wireless network is currently associated with the mobile station. If the network resource of the wireless network is not currently associated with the mobile station, then the host service transmits a resource request message to the mobile station to instruct the mobile station to acquire the network resource. Subsequently to acquiring the network resource, the host service is then able to transmit the data item to the mobile station using the network resource. | 2012-05-10 |
20120113934 | METHOD AND DEVICE FOR EFFICIENTLY TRANSMITTING PRECODED REFERENCE SIGNAL IN RADIO COMMUNICATION SYSTEM - The present invention relates to a radio communication system and more particularly, a method and a device for efficiently transmitting precoded reference signals. The method for transmitting reference signals in multiple antenna transmission, according to one embodiment of the present invention, comprises the steps of: determining a precoding vector for each of M layers (M≧3; M is a natural number); precoding a reference signal for each of the M layers in accordance with said precoding vector; multiplexing the precoded reference signals for N layers (N2012-05-10 | |
20120113935 | Scheduling Data Transmissions Between a Mobile Terminal and a Base Station in a Wireless Communications Network - A method of scheduling wireless data transmissions between a mobile terminal and a base station using multiple system carrier signals is disclosed. The method comprises the steps of receiving ( | 2012-05-10 |
20120113936 | METHOD FOR COMMUNICATING IN A MOBILE NETWORK - The present invention relates to a method or communicating between a primary station and a plurality of secondary stations, comprising the primary station providing a plurality of resource sets, the primary station configuring a secondary station to search for a control channel on at least one of a plurality of search spaces each corresponding to a resource set, wherein at least part of one of the search spaces is used to transmit a control message to a secondary station, the control message being indicative of a resource allocated to the secondary station for transmitting to the primary station or receiving from the primary station data, and wherein the secondary station deduces from the part of the search space used for transmitting the control message an indication of the resource set from the plurality of resource sets within which the allocated resource is located. | 2012-05-10 |
20120113937 | MOBILE STATION, POSITION MANAGEMENT APPARATUS, MOBILE COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A system includes a subscription storage that stores a group identifier for identifying a home base station | 2012-05-10 |
20120113938 | RANDOM ACCESS PROCEDURE UTILIZING CYCLIC SHIFT OF DEMODULATION REFERENCE SIGNAL - A method and apparatus for accessing a wireless communication system, and for processing random access attempts. A mobile communication device detects random-access information transmitted by a base station, transmits a random-access preamble to the base station according to the random-access information, and receives a random-access response from the base station. The random-access response includes at least an allocation of uplink resources to be used for the next step in the random access procedure. The mobile device also selects a reference signal sequence index from a pre-determined set of sequence indexes, and transmits a first message to the base station using the uplink resource allocation provided in the random-access response. The first message includes a device identifier and a first demodulation reference signal derived from a base reference sequence shifted according to the selected sequence index. | 2012-05-10 |
20120113939 | METHOD AND APPARATUS FOR RANDOM ACCESS IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and to an apparatus for random access in a wireless communication system to which carrier aggregation is applied. According to one aspect of the present invention, a method in which a base station supports random access of a terminal in a wireless communication system that supports carrier aggregation, comprises a step in which the base station allocates, to the terminal, a dedicated PRACH preamble for a second random access in an uplink component carrier (hereinafter, referred to as UL CC) which is additionally allocated or the configuration of which is changed after a first random access, and receives the dedicated PRACH preamble from the terminal. | 2012-05-10 |
20120113940 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CONTROL INFORMATION FOR ADDITIONAL BROADCAST INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for transmitting/receiving control information for additional broadcast information in a wireless communication system. According to one aspect of the present invention, a method for transmitting control information for additional broadcast information in a wireless communication system comprises a step in which a base station transmits control information containing information on the transmission time of the additional broadcast message, and transmits the additional broadcast message at said transmission time. | 2012-05-10 |
20120113941 | Method and Apparatus for Carrier Scheduling in a Multi-Carrier System - A method and apparatus for carrier scheduling in a multi-carrier system is provided. A terminal receives information, which indicates whether or not to perform a cross carrier scheduling process, from a base station. If it is determined, by means of said information, that the cross carrier scheduling process is to be performed, the terminal receives scheduling information about a second downlink carrier via a first downlink carrier, and receives downlink data from the second downlink carrier. | 2012-05-10 |
20120113942 | UPLINK RECEIVING METHOD FOR A BASE STATION AND UPLINK TRANSMITTING METHOD FOR A TERMINAL USING A SHARED WIRELESS RESOURCE - The invention relates to an uplink receiving method for a base station, comprising: a step of transmitting scheduling information for a shared wireless resource to object terminals to which the shared wireless resource is to be allocated, via a downlink control channel using a scheduling identifier; a step of receiving data from at least one terminal from among the object terminals, via the shared wireless resource allocated by the scheduling information; and a step of transmitting data receipt feedback information for at least one terminal which has received data via the shared wireless resource. An uplink transmitting method for a terminal comprises: a step of receiving scheduling information for a shared wireless resource from a base station via a downlink control channel; a step of transmitting data via the shared wireless resource allocated by the scheduling information; and a step of receiving, from the base station, feedback information which indicates whether or not the data transmitted via the shared wireless resource has been successfully received. Consequently, uplink transmission procedures between the terminal and the base station are integrated and simplified to reduce uplink transmission latency. | 2012-05-10 |
20120113943 | HANDOVER METHOD IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a method of a handover in a wireless communication system. The method includes transmitting a handover request message to the service BS, and receiving a handover command message from the service BS in response to the handover request message. Multi-carriers are assigned to a terminal in advance right before a handover, and all or some of the multi-carriers are activated right after the handover. Therefore, multi-carrier are effectively utilized. | 2012-05-10 |
20120113944 | METHOD FOR TRANSMITTING CONTROL INFORMATION AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting uplink control information and a device therefor, and the method comprises the steps of: selecting, from a plurality of uplink control channel resources, one uplink control channel resource corresponding to a plurality of HARQ-ACKs; and transmitting bit values corresponding to said plurality of HARQ-ACKs by using the selected uplink control channel resource. | 2012-05-10 |
20120113945 | METHOD AND APPARATUS FOR TRANSMITTING ACKNOWLEDGEMENT IN WIRELESS COMMUNICATION SYSTEM - Provided is a method for transmitting an acknowledgment through a base station in a multi-carrier system. The method for transmitting the acknowledgment through the base station in the multi-carrier system comprises the steps of receiving a plurality of uplink transmission blocks through at least one uplink carrier; determining a downlink channel for transmitting a plurality of ACK/NACK signals corresponding to the transmission blocks on the basis of the at least one uplink carrier; and transmitting the ACK/NACK signals on the determined downlink channel. | 2012-05-10 |
20120113946 | METHOD AND APPARATUS FOR PERFORMING HARQ IN MULTIPLE CARRIER SYSTEM - A method and apparatus for performing hybrid automatic repeat request (HARQ) in a multiple carrier system are provided. A user equipment performs an HARQ process in a source component carrier. When the user equipment receives a management message regarding a transfer from the source component carrier to a target component carrier, the user equipment subsequently performs the HARQ process in the target component carrier. | 2012-05-10 |
20120113947 | METHOD FOR EFFICIENTLY TRANSMITTING BROADCASTING MESSAGE IN BROADBAND WIRELESS ACCESS SYSTEM - The present invention relates to a broadband wireless access system, and more particularly to a method for efficiently communicating scheduling information about a broadcasting message to a terminal. The method for transmitting the broadcasting message in the broadband wireless access system comprises the steps of: transmitting a first map including scheduling information for at least one broadcasting message transmitted within a predetermined transmission unit to a terminal; and broadcasting the message through a resource region indicated by the scheduling information. In the method, it is desirable that the first map is an extended map of a second map including non-user specific control information. | 2012-05-10 |
20120113948 | METHOD IN WHICH A RECEIVER TRANSMITS CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method in which a receiver transmits control information in a wireless communication system. The method comprises a step of receiving a plurality of data units from a transmitter, a step of determining acknowledgement/negative-acknowledgement (ACK/NACK) states for each of the data units; and a step of transmitting, to the transmitter, the ACK/NACK states in multiple ACK/NACK states or in a single ACK/NACK state in accordance with a predetermined condition. | 2012-05-10 |
20120113949 | METHOD FOR EFFICIENTLY ALLOCATING A RESOURCE IN VOIP COMMUNICATION - The present invention relates to a VoIP communication technique, and more particularly, to a method for performing efficient scheduling for VoIP communication and performing VoIP communication according to the schedule. According to one aspect of the present invention, a method for allocating a resource to the mobile station comprises a step of receiving a first CQICH codeword type from the mobile station; a step of allocating an uplink resource having a preset bandwidth size type for VoIP packet transmission to the mobile station for every first interval type for the VoIP packet transmission; a step of receiving a second CQICH codeword type from the mobile station; and a step of allocating an uplink resource having a preset bandwidth size type for SID packet transmission to the mobile station. | 2012-05-10 |
20120113950 | Method Of Coordinating The Transmission Resources In A Coordinated Multipoint Transmission/Receiving Communication Network - A method of coordinating the transmission resources used by the UEs for UL sounding transmission in a communication network wherein multiple base stations are receiving the sounding transmission from multiple UEs. the method including defining at least one coordinated multi-point transmission set including at least one of the plurality of base station, and/or grouping at least one of the plurality of user equipments of the at least one coordinated multi-point transmission set, transmitting coordinated sounding reference signals in the at least one coordinated multi-point transmission set, and estimating the full UL channel status based on the transmitted coordinated sounding signal. | 2012-05-10 |
20120113951 | Method For Transmitting/Receiving A Comp Reference Singnal - Disclosed is a method for transmitting a CoMP reference signal for accurate channel estimation. The CoMP reference signal to be transmitted to a terminal which performs a CoMP operation in a multi-cell environment is a cell-specific reference signal or a CoMP-zone-specific reference signal. A method for transmitting the cell-specific reference signal uses an ID of a CoMP set constituted by cells that perform a CoMP operation, or does not apply a frequency shift value while using the ID of a relevant cell, or uses an ID of a serving cell or a frequency shift value of the serving cell. The cell-specific reference signal is transmitted using a preset specific resource region. A method for transmitting the CoMP-zone-specific reference signal is configured such that the pattern of the sequence of CoMP reference signals varies in each of the CoMP zones, and the pattern can be set in advance. In addition, the reference signal is multiplexed and transmitted using an orthogonal code resource in the event that reference signal is transmitted to a plurality of terminals using the same CoMP zone. | 2012-05-10 |
20120113952 | Transmission Resource Reservation Scheme - A method, apparatus, and computer program for acquiring transmission resources during a transmission period is provided. A first communication apparatus is arranged to utilize at least one other communication apparatus to reserve at least one additional transmission band for the first communication apparatus during the transmission period of the first communication apparatus. Upon reception of a message indicating availability of additional transmission band(s) from the at least one other communication apparatus, the first communication apparatus is configured to increase its transmission band during the transmission period. | 2012-05-10 |
20120113953 | METHOD AND APPARATUS FOR THE JOINT DESIGN AND OPERATION OF SCHEDULING AND TRANSMISSION FOR DOWNLINK MULTI-USER MIMO WITH RECIPROCITY-BASED TRAINING - A method and apparatus is disclosed herein for scheduling and transmission for downlink multi-user MIMO (MU-MIMO). In one embodiment, the method comprises allocating a subset of time-frequency resources in the time-frequency plane to each distinct bin class, where each bin class comprises one or more bins of user terminals across the topology, and wherein user terminals in the one or more bins of each bin class are served across the topology by the subset of time-frequency resources. The method also comprises performing joint downlink MU-MIMO transmission using a plurality of bin class-dependent wireless transmission architectures at the plurality of base stations, where one or more bin classes is associated with one of the plurality of bin class-dependent architectures, and where each of the plurality of bin class-dependent architectures use different combinations of scheduling training and MU-MIMO transmission across the topology. | 2012-05-10 |
20120113954 | METHOD AND APPARATUS FOR EFFICIENT BANDWIDTH UTILIZATION FOR SUBSCRIBER UNIT INITIALIZATION AND SYNCHRONIZATION IN A TIME-SYNCHRONIZED COMMUNICATION SYSTEM - A bandwidth efficient subscriber unit initialization and synchronization method and apparatus is described. The inventive subscriber unit initialization and synchronization method and apparatus uses a combination of an access burst format and a data transportation technique to efficiently use bandwidth when initializing and synchronizing subscriber units in a time-synchronized communication system. Advantageously, the present invention provides a mechanism for a base station to receive multiple access bursts from multiple subscriber units in a single contiguous time period. In the preferred embodiment of the present invention, bandwidth is efficiently utilized by searching for multiple initial access bursts from multiple mobile stations during a single time period known as a new access opportunity. The preferred embodiment of the present invention initializes and synchronizes subscriber units in a “contention-based” manner. | 2012-05-10 |
20120113955 | METHOD FOR TRANSMITTING A RANGING SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method in which a terminal transmits a ranging signal in a wireless communication system. The method comprises a step of acquiring cell identification information using the preamble received from a base station, a step of determining frequency resource allocation information using the cell identification information and information on the number of allocated subbands, and a step of transmitting a ranging signal using the sub-band indicated by the frequency resource allocation information. | 2012-05-10 |
20120113956 | MOBILE COMMUNICATION TERMINAL SUPPORTING MULTI-MODAL COMMUNICATIONS AND METHODS FOR PROVIDING SEAMLESS SERVICE UPON HANDOVER TO THE MOBILE COMMUNICATION TERMINAL - A method of providing a handover service to a mobile communication terminal supporting multi-modal communications, and a mobile communication terminal for performing the method are provided. More particularly, a method of eliminating an interruption of a data transmission service occurring during a handover between different communication networks, and a terminal for performing the method are provided. A method of providing a handover service of a mobile communication terminal supporting multi-modal communications can include: transmitting and receiving data to/from a corresponding node via a first access network and a second access network while simultaneously maintaining an association with the first access network and the second access network, determining a point in time of completing a handover registration, and releasing an association with the first access network after the point in time of completing the handover registration. | 2012-05-10 |
20120113957 | APPARATAUS AND METHOD FOR ALLEVIATING BARRED ACCESS IN MOBILE COMMUNICATION SYSTEM - A user equipment for alleviating barred access while reselecting from a first cell to a second cell in a mobile communication system is provided. A wireless module detects receives system information broadcasted in the first cell. A storage unit stores the system information. A controller reselects the user equipment from the first cell to the second cell. Particularly, the cell reselection is not performed during a connection establishment procedure. Also, the controller determines whether a first barred access timer is running in response to reselecting from the first cell to the second cell, and stops the first barred access timer and informs the upper layer of an RRC protocol that the access of the first service is allowed in response of that the first barred access timer is running. | 2012-05-10 |
20120113958 | METHOD, DEVICE, AND SYSTEM FOR TRANSFERRING SERVICE CONTROL SIGNALLING PATH - A method, device, and system for transferring a Service Control Signalling Path are provided. The method for transferring a Service Control Signalling Path includes: establishing a connection with an opposite end by a User Equipment (UE), where the UE uses a Circuit Switched (CS) bearer in a CS network and a Service Control Signalling Path in a first Packet Switched (PS) network; sending a transfer request via a second PS network, to instruct a network side to transfer the Service Control Signalling Path according to the transfer request. Thus, the UE can replace a current Gm reference point with a Gm reference point of a new and available PS network when the PS network where the current Gm reference point is located is unavailable, so as to ensure smooth data transmission. | 2012-05-10 |
20120113959 | CONNECTION MANAGEMENT METHOD, CONNECTION MANAGEMENT SYSTEM, MOBILE TERMINAL, PACKET DATA GATEWAY AND MOBILE MANAGEMENT GATEWAY - When a mobile terminal transmitting/receiving a packet using a plurality of IP address types performs a handover to an access network (single address type connection network) permitting transmission/reception of a packet using a single IP address only, an IP address not permitted is unfortunately discarded at an access network as a handover destination. Disclosed is a technique configured so that a mobile terminal (UE | 2012-05-10 |
20120113960 | Method and Apparatus to Support HSUPA During Baton Handover in TD-SCDMA Systems - Certain aspects of the present disclosure propose techniques for continuing high-speed packet access (HSPA) during the baton handover in Target Cell Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems. In an aspect of the disclosure, a technique for performing a baton handover from a source node B (NB) to a target NB by a user equipment (UE) is provided. The technique generally includes receiving a first signal instructing the UE to perform the baton handover from the source NB to the target NB, transmitting data in uplink transmissions to the target NB during the baton handover, and receiving, from the source NB, information regarding the uplink transmissions. | 2012-05-10 |
20120113961 | Interference Measurements in Enhanced Inter-Cell Interference Coordination Capable Wireless Terminals - A wireless communication terminal is disclosed. The terminal includes a transceiver coupled to a processor configured to estimate a signal power associated with a second transmission from a second base station, wherein the second transmission is part of a signal received at the terminal wherein the signal includes a first transmission from a first base station and the second transmission from the second base station. The processor is also configured to estimate a Receive Signal Strength Indicator (RSSI) of the received signal, and to subtract the signal power associated with the second transmission from the estimated RSSI to obtain a modified RSSI. | 2012-05-10 |
20120113962 | Method of Multiplexing and Transmission of Uplink Control Information and Related Communication Device - A method of handling an acknowledgement/negative acknowledgement (ACK/NACK) transmission for a mobile device with a carrier aggregation (CA) in a wireless communication system is disclosed. The method comprises receiving a configuration or an activation of the CA with at least one uplink (UL) component carrier and a plurality downlink (DL) component carriers from a network of the wireless communication system, and performing a simultaneous transmission of a scheduling request (SR) and the ACK/NACK, which corresponds to DL transmissions on the plurality of DL component carriers, with at least one PUCCH resource or on at least one PUCCH resource in a subframe according to one of a plurality of ACK/NACK transmission schemes configured or supported by the network. | 2012-05-10 |
20120113963 | Method and Arrangement for Transmissions in VAMOS Capable Wireless Communication Systems - In a method for transmitting information from a radio base station node to a first mobile station and a second mobile station paired on and sharing a same carrier frequency, TDMA frame and time slot in a wireless communication system, wherein said first and second mobile stations are allocated on a first and second VAMOS sub-channel respectively, transmitting (S | 2012-05-10 |
20120113964 | REMOTE PARTICIPATION IN A LOCAL AREA NETWORK (LAN) BASED MEDIA AGGREGATION NETWORK - Systems and methods relating to a Media Collection Aggregation System (MCAS) are provided. In one embodiment, a number of nodes are connected over a Local Area Network (LAN) to provide an ad-hoc MCAS network. At least some of the nodes in the MCAS network share locally stored media collections, or select subsets thereof, with the other nodes in the MCAS network. Each node in the MCAS network selects and aggregates one or more of the shared media collections to provide an aggregate media collection for that node. One of the nodes in the MCAS network is a proxy node that provides a proxy service that enables remote participation in the MCAS network. In one embodiment, the proxy node enables one or more remote nodes to passively and/or actively participate in the MCAS network. | 2012-05-10 |
20120113965 | METHOD AND APPARATUS FOR LOCATING A WI-FI HOTSPOT FOR OFFLOADING WIRELESS TRAFFIC - A method and apparatus for locating a Wi-Fi hotspot for offloading wireless traffic from a cellular network are disclosed. For example, the method obtains network traffic data for the second type of wireless access network for a geographical area, and obtains a list of sectors in the geographical area. The method selects at least one sector from the list of sectors to be relieved, and determines a geographical range for the at least one sector. The method then obtains at least one hotspot of the first type of wireless access network within the geographical range, wherein the at least one hotspot is a potential location for offloading the wireless traffic from the second type of wireless access network. | 2012-05-10 |
20120113966 | METHOD TO MAINTAIN NETWORK ADDRESS TRANSLATION (NAT) BINDING - A method to maintain Network Address Translation (NAT) binding is provided in the present invention, comprising a mobile terminal proactively initiating a connection request for establishing a link to a computing device via a wireless network, an edge NAT router connected to the wireless network, and other routers; the edge NAT router mapping a source address of a data packet from the mobile terminal to the source address of the edge NAT router, and mapping a destination address of the data packet from the computing device to the destination address of the mobile terminal, and maintaining the two address mapping relationships for a first time interval; the computing device sending a heartbeat packet to the mobile terminal according to a second time interval smaller than the first time interval, so a Time To Live (TTL) set value progressively decreases to 0 as the heartbeat packet reaches the edge NAT router, wherein the heartbeat packet sent by the computing device is used to maintain the mapping relationships of the addresses for the edge NAT router, thereby maintaining the link from the mobile terminal to the computing device, such that the heartbeat packet will not be sent down to the handheld device, thereby reducing as much consumption of the battery life and wireless air-interface resources as possible. | 2012-05-10 |
20120113967 | Frequency-Hopping Method for LTE Aperiodic Sounding Reference Signals - Methods and apparatus are provided to enable aperiodic sounding reference signaling including frequency hopping through the use of additional RRC configuration. The methods can require little or no additional L1 overhead to support narrowband frequency hopping for aperiodic sounding transmissions. In some embodiments, an approach is provided for extending an LTE periodic sounding reference signal methodology to include aperiodic sounding. One benefit of the proposed technique is that it enables each UE to perform aperiodic channel sounding in sounding subframes, using a frequency-hopping pattern, in which the sounding bandwidth of the UE can be narrowed appropriately to match its link capability. Additional benefits of the new approach include better resource utilization, lower signaling overhead, faster channel information update rates, and lower blocking probabilities. | 2012-05-10 |
20120113968 | MULTIPLE ACCESS METHOD AND SYSTEM OF TERMINAL IN EVOVLED PACKET SYSTEM - The present invention discloses a multiple access method and a multiple access system of terminal in Evolved Packet System (EPS). The multiple access method of terminal in EPS comprises the following steps that: a Packet Data Network Gateway (P-GW) sends a first multiple access capability indication to a terminal, wherein the first multiple access capability indication denotes that the P-GW supports a multiple access; the terminal performs the multiple access according to the multiple access capability indication of the P-GW. The present invention avoids the waste of network resource and improves the experience of users. | 2012-05-10 |
20120113969 | PORTABLE ROUTER DEVICE - A portable router device for relaying a packet exchanged between a wide area network (WAN) and a local are network (LAN) device includes a WAN communication unit for connecting and communicating with the WAN, a LAN communication unit for connecting and communicating with the LAN device, and an application data converter for converting application data included in the packet transmitted from the WAN to the LAN device. | 2012-05-10 |
20120113970 | COMMUNICATION APPARATUS AND METHOD OF CONTROLLING SAME - In a communication apparatus capable of communicating concurrently with a first network and with a second network different from the first network, the address of another communication apparatus in the second network is detected, whether the detected address is in use in the first network is confirmed and, when data is transmitted to the detected address in a case where it is confirmed that the detected address is in use, stores the fact that data will be transmitted to the second network. | 2012-05-10 |
20120113971 | EFFICIENT WLAN DISCOVERY AND ASSOCIATION - Methods, systems, and devices are described for discovering and associating with WLAN using Request to Send (RTS) and Clear to Send (CTS) frames. A mobile device may identify a WLAN access point associated with a location of the mobile device. The mobile device may transmit a Request to Send (RTS) frame to the access point and receive a CTS frame from the access point. The mobile device may determine that the access point is within range of the mobile device based on the received CTS frame. Some embodiments may provide for transmitting an association request frame to the access point in response to the received CTS frame. The association request frame may be transmitted to the access point in a time period associated with the CTS frame. | 2012-05-10 |
20120113972 | REMOTE RADIO DATA TRANSMISSION OVER ETHERNET - The invention discloses a method for transmitting data between a radio equipment (RE) and a radio equipment control (REC) of a radio base station via Ethernet. The method comprises in adaptive physical layer, adapting data frames complying with a remote radio protocol to Ethernet data frames that are suitable for transmission over Ethernet physical layer, and transmitting the adapted Ethernet data frames over the Ethernet physical layer. | 2012-05-10 |
20120113973 | METHOD AND APPARATUS FOR PIC CHANNEL ESTIMATOR CONSIDERING WEIGHT - A method and an apparatus apply an adaptive weight in a wireless communication system. In the method, channel estimation is performed. A weighting factor that reduces a Mean Square Error (MSE) is determined with respect to a channel in a specific section. A channel estimate value is multiplied by the weighting factor. | 2012-05-10 |
20120113974 | METHOD FOR SENDING A MIDDLE PILOT - A method for sending a middle pilot is disclosed. The sending method comprises: selecting a middle pilot sequence set; creating a middle pilot subcarrier union; mapping by a base station a middle pilot sequence in the middle pilot sequence set after modulation through an OFDMA or OFDM symbol for transmitting the middle pilot onto a middle pilot subcarrier in a middle pilot subcarrier union corresponding to each transmission antenna, or, mapping by a base station a middle pilot sequence in the middle pilot sequence set through an OFDMA or OFDM symbol for transmitting the middle pilot onto a middle pilot subcarrier in a middle pilot subcarrier union corresponding to each transmission antenna and then performing modulation on the data at the subcarrier. By way of the present invention, the sending of middle pilot sequences is achieved, and the method reduces the periodicity of pilot symbols in the frequency domain and improves downlink performance of user data. | 2012-05-10 |
20120113975 | NETWORK EMPLOYING SPACE RECYCLING, AND A METHOD FOR MANAGING THE NETWORK - A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair. | 2012-05-10 |
20120113976 | SYSTEMS, APPARATUS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING ATSC INTEROPERABILITY - Systems, apparatus, methods and computer program products are provided for causing a dataframe to be emitted at an air interface of an antenna. A memory stores a transmission to antenna delay value (TAD). An offset calculator calculates an offset value based on an epoch of a global timebase generator and the transmission to antenna delay value (TAD). An interface controller in communication with the offset calculator communicates a segment synchronization signal and a field synchronization signal based on the offset value. | 2012-05-10 |
20120113977 | VPN DEVICE AND VPN NETWORKING METHOD - A VPN device capable of eliminating situations where cross calls occur is provided. The VPN device includes: an identification information acquisition unit that acquires first identification information which is identification information of a communication terminal ( | 2012-05-10 |
20120113978 | Converged Voice Mail Services - Novel tools and techniques for providing enhanced services to telephone subscribers with multiple telephone lines, which can include one or more traditional telephone lines, wireless telephone lines, Internet protocol-based telephone lines, and/or the like. For example, certain tools can provide a subscriber with a unified voice mailbox for a plurality of the subscriber's telephone lines. In some cases, the subscriber does not need to check multiple voice mailboxes (each associated with one of the subscriber's telephone numbers) in order to ensure that the subscriber has received all messages intended for that subscriber. Instead, any incoming call on any of the subscriber's lines can be routed to a converged voice mailbox for easy retrieval by the subscriber of all messages from one location. Some tools employ a VoIP switch to handle routing of the incoming call to the correct voice mailbox. | 2012-05-10 |
20120113979 | Slow Adaptation of Modulation and Coding for Packet Transmission - Systems and methods for performing MCS adaptation are provided. In some cases, the network performs MCS adaptation based on received NACKs. In other cases, the mobile station determines an MCS based on channel quality measurements, and feeds back the MCS adaptation decision to the network. In either case, NACK-only feedback may be implemented to reduce interference. | 2012-05-10 |
20120113980 | COMPUTER, INTERNET AND TELECOMMUNICATIONS BASED NETWORK - A method and apparatus for a computer and telecommunication network which can receive, send and manage information from or to a subscriber of the network, based on the subscriber's configuration. The network is made up of at least one cluster containing voice servers which allow for telephony, speech recognition, text-to-speech and conferencing functions, and is accessible by the subscriber through standard telephone connections or through internet connections. The network also utilizes a database and file server allowing the subscriber to maintain and manage certain contact lists and administrative information. A web server is also connected to the cluster thereby allowing access to all functions through internet connections. | 2012-05-10 |
20120113981 | PROVIDING REAL-TIME VOICE COMMUNICATION BETWEEN DEVICES CONNECTED TO AN INTERNET PROTOCOL NETWORK AND DEVICES CONNECTED TO A PUBLIC SWITCHED TELEPHONE NETWORK - Systems, methods, and apparatus for providing real-time voice communication between devices connected to an Internet Protocol (IP) network and devices connected to a public switched telephone network (PSTN). In one implementation, the system includes a computer-controlled switch for connection to a local PSTN, for receiving calls from the IP network and the PSTN, and for routing calls to the PSTN and the IP network; and gate interface circuitry connected to the switch and adapted for connection to the IP network. The gate interface circuitry includes gateway circuitry for interfacing the IP network and PSTN voice circuits, and gatekeeper circuitry for performing address translation, admission control, bandwidth management, and zone management. The switch stores at least one PSTN destination address and at least one IP network destination address for each subscriber. The switch routes an incoming call to any one of the destination addresses stored for the subscriber. | 2012-05-10 |
20120113982 | Systems, Methods, And Apparatuses For Handling A Legacy Circuit Switched Communication - Systems, methods, and apparatuses are provided for handling a legacy circuit switched communication. A method may include receiving a service request message at a network node on a packet switched network that does not support circuit switched fallback. The method may additionally include determining that the service request message includes a request for establishment of a communication requiring a circuit switched connection and having a user equipment connected to the packet switched network as an end point of the communication. The method may further include releasing the connection between the user equipment and the packet switched network in response to the determination. Corresponding systems and apparatuses are also provided. | 2012-05-10 |
20120113983 | METHOD AND PROCESS FOR SIGNALING, COMMUNICATION AND ADMINISTRATION OF NETWORKED OBJECTS - Systems and processes for communication of messages between one or more networked objects on circuit and packet data networks are described. Specifically, means for representation of various communication types, including content description and disposition rules, delivery and routing descriptions and rules, conversion and translation descriptions and rules, and methods for interactions and for administration over one or more network types, through one or more communication protocol types, to one or more destination types are described. The delivery of messages and other communication over various communication protocols in addition to email is described. Methods for administering and managing rules for directing and transforming said messages and communications for purposes of routing or delivery to one or more specific destinations are also presented. | 2012-05-10 |
20120113984 | MULTI-STAGE INTERCONNECTION NETWORKS HAVING SMALLER MEMORY REQUIREMENTS - In one embodiment, a multistage interconnection network (MIN) has two or more configurable stages, each stage having a plurality of switches. The network has one or more unused input terminals, each mapped using fixed switch connections to an unused output terminal. The network also has a set of used input terminals that are selectively mapped to a set of used output terminals based on values of control signals supplied to the stages. Each stage receives a different control signal, and each control signal is generated by cyclically shifting a control seed by a corresponding cyclic-shift value. Fixing the mappings of the unused terminals ensures that the used input terminals are not mapped to any unused output terminals. By storing only the control seed, memory requirements are reduced over networks that explicitly store individual control signals for all of the stages. | 2012-05-10 |
20120113985 | APPLICATION SERVICE AND SHARING METHODS IN HOME NETWORK SYSTEM - Disclosed are application service and sharing method in a home network system. An application service method in a home network system according to an exemplary embodiment of the present invention includes: receiving characteristic information of the terminal from each of the terminals; analyzing the characteristic information; generating the application corresponding to each of the terminals by selecting and extracting at least some components from an integrated document including a plurality of components according to the characteristic information; and providing the generated application to the corresponding application. | 2012-05-10 |
20120113986 | SYSTEM AND METHOD FOR MANAGING ACKNOWLEDGEMENT MESSAGES IN A VERY LARGE COMPUTER NETWORK - A multicast message may be distributed by receiving, at a first node in a multicast network, a multicast message from a parent node of the first node. The multicast message is transmitted to child nodes of the first node in the multicast network. A population of the child nodes to which the multicast message was transmitted is accessed and acknowledgement messages which reveal child nodes that are among an acknowledging subset of less than all of the child nodes of the first node are received. Child nodes revealed by the received acknowledgement messages are compared with child nodes determined to be among the population of child nodes to which the multicast message is expected to be received. Based on results of the comparison, a compressed non-acknowledging subset is identified and transmitted to the parent node. | 2012-05-10 |
20120113987 | METHOD AND APPARATUS FOR MULTICAST PACKET RECEPTION - Roughly described, incoming data packets are delivered by the NIC directly to at least two user level endpoints. In an aspect, only filters that cannot be ambiguous are created in the NIC. In another aspect, the NIC maintains a filter table supporting direct delivery of incoming unicast and multicast data packets to one user level endpoint. Additional requests to join the same multicast group cause replacement of the NIC filter with one in the kernel. In another aspect, a NIC has limited capacity to maintain multicast group memberships. In response to a new multicast filter request, the kernel establishes it in the NIC only if the NIC still has sufficient capacity; otherwise it is established in the kernel. | 2012-05-10 |
20120113988 | METHOD AND APPARATUS FOR SIGNALING VIRTUAL CHANNEL SUPPORT IN COMMUNICATION NETWORKS - A method and apparatus for signaling virtual channel support in communication networks. A node receives a data packet from another node to examine whether the other node commonly supports one or more virtual channels of a given type on a point-to-point communication link between the nodes, and the node signaling common support for one or more virtual channels of a given type, based on the content in the received data packet that indicates whether the other node transmitting the data packet has adequate queue resources to support one or more virtual channels of a given type, and based on whether the node has adequate queue resources to support the one or more virtual channels of a given type. | 2012-05-10 |
20120113989 | COMMUNICATION SYSTEM, LOGICAL CHANNEL CONTROL DEVICE, CONTROL DEVICE, COMMUNICATION METHOD AND PROGRAM - A configuration having a control device that sets a processing rule in a forwarding node, the configuration being capable of forwarding control of duplicated packets in private IP address spaces. At least one forwarding node among forwarding nodes operates as a logical channel control device that establishes a logical channel to an external node, generate or delete a virtual port information associated with said logical channel established to said external node, and gives notification thereof to the control device, and the control device computes a forwarding path of a packet using the notified port information. | 2012-05-10 |
20120113990 | COMMUNICATION SWITCHING APPARATUS FOR SWITCHING DATA IN MULTIPLE PROTOCOL DATA FRAME FORMATS - An enhanced Ethernet protocol for computing and telecommunication supports a shortened frame size for communicating data payloads among selected devices within a constrained neighborhood based on a unique identification. | 2012-05-10 |
20120113991 | METHODS AND APPARATUS TO DYNAMICALLY CONTROL CONNECTIVITY WITHIN VIRTUAL PRIVATE NETWORKS - Methods and apparatus to dynamically control connectivity within VPNs are disclosed. A disclosed example route server to control connectivity within a VPN comprises a memory to implement a database, a border gateway protocol (BGP) engine to process BGP advertisements, a network interface to receive a first BGP advertisement, which a first route target (RT) associated with the first PE router, from a first provider edge (PE) router associated with the VPN, and an intra-VPN connectivity controller to, in response to the first BGP advertisement, query the database to determine whether the first PE router is to be communicatively coupled to a second PE router of the VPN and when the first and second PE routers of the VPN are to be communicatively coupled, direct the BGP engine to form a second BGP advertisement that includes a second RT associated with the second PE router based on the first BGP advertisement. | 2012-05-10 |
20120113992 | Method and System for Realizing Concurrent Access of Multi-Kinds of Bearer Protocols on Machine-to-Machine (M2M) Platform - One embodiment of the present invention discloses a method and system for implementing concurrent access of multiple bearer protocols in a M2M platform. The method comprises: after receiving an uplink message of a terminal, an access module of a M2M platform determining a bearer type of the uplink message, obtaining corresponding key information of the bearer type, and packaging the key information and an original datagram of the uplink message into an internal message to send to a service module of the M2M platform; and after completing a service processing flow based on the internal message, the service module packaging datagram response contents and the key information into a downlink message to send to the access module, which sends the downlink message to a terminal corresponding to the downlink message based on the key information after receiving the downlink message. | 2012-05-10 |
20120113993 | BACKWARD LOOKING ROBUST HEADER COMPRESSION RECEIVER - Robust Header Compression (ROHC) offers a way to compress packet header information for more efficient transmission of data. The compression is achieved through various confidence modes set up by the transmitter and the receiver. The Initialization and Refresh state (IR) is the first state of the compressor. This provides a complete, uncompressed context of the data that is being transmitted. In typically operation, the ROHC compressor will periodically transmit IR packets providing context information allowing the ROHC decompressor to decompress one or more packets following the IR packet. However, under certain conditions such as decompressor start-up, it is possible for the decompressor to miss an IR packet. Exemplary methods and apparatus are described in which a decompressor uses a later-received IR packet to decompress earlier packets for which the decompressor had not received context information. | 2012-05-10 |
20120113994 | LOW NOISE RAMAN LASER DEVICE, RAMAN LASER SYSTEM AND ASSOCIATED METHOD - A Raman laser device includes:
| 2012-05-10 |
20120113995 | MEASURING CRYSTAL SITE LIFETIME IN A NON-LINEAR OPTICAL CRYSTAL - The present invention includes a fundamental laser light source configured to generate fundamental wavelength laser light, an optical crystal configured to receive fundamental laser light from the fundamental laser light source, the optical crystal configured to generate alternate wavelength light by frequency converting a portion of the received fundamental laser light to alternate wavelength light, an auxiliary light source configured to generate auxiliary wavelength light, the auxiliary wavelength light having a wavelength different from the fundamental wavelength laser light and the alternate wavelength light, the fundamental laser light source and the auxiliary light source oriented such that the fundamental laser light copropagates with the auxiliary light through a surface of the optical crystal, and a detector configured to detect at least one of fundamental wavelength laser light scattered by the optical crystal, alternate wavelength light scattered by the optical crystal, or auxiliary light scattered by the optical crystal. | 2012-05-10 |
20120113996 | LINE-PROJECTION APPARATUS FOR ARRAYS OF DIODE-LASER BAR STACKS - In optical apparatus for illuminating a mask-plane with a line of light, a light source includes four fast-axis stacks of laser diode bars with fast and slow axis collimating arrangements providing four collimated beams of diode-laser light. A combination of a lens element and two diffraction gratings collects the four collimated beams and spreads the beams in the fast-axis direction such that the spread beams overlap in the mask plane to form a line of light having a length in the fast-axis-direction and a width in the slow-axis direction of the diode-laser bar stacks. | 2012-05-10 |
20120113997 | SYSTEM AND METHOD FOR VOICE CONTROL OF MEDICAL DEVICES - A medical device includes an insertable portion capable of being inserted into an orifice associated with a body of a patient. The insertable portion comprising an automated head unit capable of being manipulated in at least two axes of motion based at least in part on one or more control signals. The medical device further includes one or more controllers coupled to the automated head unit. In one particular embodiment, the one or more controllers generate the one or more control signals based at least in part on an input signal. | 2012-05-10 |
20120113998 | MULTIBEAM COHERENT LASER DIODE SOURCE (EMBODIMENTS) - A multibeam coherent laser diode source comprises a master laser, a linear amplifier and two perpendicular amplifiers. The master laser and amplifiers are in the form of a single heterostructure containing an active layer, two limiting layers and a radiation influx area with an influx layer. The heterostructure is characterized by the ratio of the refractive index (n | 2012-05-10 |
20120113999 | DRIVER FOR LASER DIODE IMPLEMENTED WITH OFFSET CONTROL - A driver circuit for an LD is disclosed. The circuit includes a decision unit, an offset adjustor, and an amplifier each having the differential configuration in an embodiment. The decision unit decides and generates a signal LOS that distinguishes the existence/absence of the input signal. The offset adjustor, depending on the signal from the decision unit, adds/compensate the offset thereof. The amplifier, whose output are pulled up to the power supply Vcc through an inductor. Because the output of the offset adjustor compensates the offset thereof during the absence of the input signal, the output of the amplifier does not cause overshoot or undershoot. | 2012-05-10 |
20120114000 | METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL DEVICE, METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL LASER ELEMENT, AND SEMICONDUCTOR OPTICAL DEVICE - A method of manufacturing a semiconductor optical device including a semiconductor layer includes: forming a semiconductor layer; forming a first dielectric film on a first region of a surface of the semiconductor layer; forming a second dielectric film on a second region of the surface of the semiconductor layer, the second dielectric film having a density higher than that of the first dielectric film; and performing a thermal treatment in a predetermined temperature range after the second dielectric film forming, wherein within the temperature range, as the temperature is lowered, a difference increases between a bandgap in the semiconductor layer below the second dielectric film and a bandgap in the semiconductor layer below the first dielectric film due to the thermal treatment. | 2012-05-10 |
20120114001 | HYBRID RIDGE WAVEGUIDE - Embodiments of the invention relate to an electro-optic device comprising a first region of silicon semiconductor material and a second region of III-V semiconductor material. A waveguide of the optical device is formed in part by a ridge in the second region. An optical mode of the waveguide is laterally confined by the ridge of the second region and vertically confined by a vertical boundary included in the first region. The ridge structure further serves as a current confinement structure over the active region of the electro-optic device, eliminating the need for implantation or other structures that are known to present reliability problems during manufacturing. The lack of “voids” and implants in electro-optic devices according to embodiments of the invention leads to better device reliability, process repeatability and improved mechanical strength. | 2012-05-10 |
20120114002 | GROUP III NITRIDE SEMICONDUCTOR LASER DIODE, AND METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LASER DIODE - Provided is a Group III nitride semiconductor laser diode with a cladding layer capable of providing high optical confinement and carrier confinement. An n-type Al | 2012-05-10 |
20120114003 | LASER DEVICE, A LIGHT SIGNAL GENERATION DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT - A laser device includes a ridge waveguide having an active layer between upper and lower cladding layers. A ridge formed in the upper cladding layer defines the width of a light guiding region in the active layer, and is formed so that a portion of the light guiding region extends into the ridge. A plurality of reflecting slots extend across and into the ridge to a depth sufficient to extend into the extending portion in order that the reflectivity of each slot is on the order of 2%. The slots intersect more than 20% of the total mode energy in the light guiding region, and this in combination with the gain of the active layer facilitates lasing within the light guiding region independently of the reflectivity of end facets of the waveguide. The laser device is particularly suitable for integrally forming with other optical components on a single semiconductor chip. | 2012-05-10 |
20120114004 | NITRIDE SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME - A nitride semiconductor laser device includes a first semiconductor layer, an active layer, a second semiconductor layer having a ridge portion and a planar portion, a first electrode formed above the ridge portion, and a dielectric film formed on the side wall portion of the ridge portion. A region from a front end face to a predetermined position P is a region A. A region from the predetermined position P to the rear end face is a region B. A thickness of the part of the ridge portion exposed from the dielectric film in the region A is greater than a thickness of the part of the ridge portion exposed from the dielectric film in the region B, and the first electrode is in contact with the ridge portion at least in the region A. | 2012-05-10 |
20120114005 | SURFACE-EMITTING LASER AND SURFACE-EMITTING LASER ARRAY, METHOD OF MANUFACTURING A SURFACE-EMITTING LASER AND METHOD OF MANUFACTURING A SURFACE-EMITTING LASER ARRAY, AND OPTICAL APPARATUS INCLUDING A SURFACE-EMITTING LASER ARRAY - Provided is a method of manufacturing a surface-emitting laser capable of preventing characteristics fluctuations within the plane and among wafers and oscillating in a single fundamental transverse mode. The method includes after performing selective oxidation: exposing a bottom face of a surface relief structure by etching a second semiconductor layer with a first semiconductor layer where a pattern of the surface relief structure has been formed as an etching mask and a third semiconductor layer as an etching stop layer; and exposing a top face of the surface relief structure by etching the first semiconductor layer where the pattern of the surface relief structure has been formed, with the second semiconductor layer and the third semiconductor layer as etching stop layer. | 2012-05-10 |
20120114006 | SURFACE EMITTING LASER - A surface emitting laser emitting a laser beam in a single transverse mode irrespective of an emission area while one-dimensionally aligning polarization of the output beam, including a two-dimensional photonic crystal, having resonance modes in directions of the primitive translation vector a | 2012-05-10 |
20120114007 | Underwater Laser-Guided Discharge - Methods for producing a laser-guided underwater electrical discharge are provided. One or more electrodes defining a desired electrical discharge path are situated in a body of water and are attached to an external electrical power supply. A high-powered, intense laser beam is fired into the water. The laser beam forms an optical filament in the water, which in turn forms an ionized channel having a much greater conductivity than the surrounding water. An external power supply drives an electrical discharge along the path of the ionized channel due to its greater conductivity. | 2012-05-10 |
20120114008 | TRANSVERSE PUMPED LASER AMPLIFIER ARCHITECTURE - An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The gain region is characterized by a first side intersecting an optical path, a second side opposing the first side, a third side adjacent the first and second sides, and a fourth side opposing the third side. The architecture further includes a dichroic section disposed between the pump aperture and the first side of the gain region. The dichroic section is characterized by low reflectance at a pump wavelength and high reflectance at the laser wavelength. The architecture additionally includes a first cladding section proximate to the third side of the gain region and a second cladding section proximate to the fourth side of the gain region. | 2012-05-10 |
20120114009 | FORWARD-FLYBACK POWER SUPPLY USING AN INDUCTOR IN THE TRANSFORMER PRIMARY AND METHOD OF USING SAME - A power supply ( | 2012-05-10 |
20120114010 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR MONITORING TEMPERATURE - According to one aspect of the present disclosure, a device and technique for monitoring temperature of an environment of a sensitive object is disclosed. The device includes a housing configured to be disposed within or affixed to a transport container for the object, a sensor coupled to the housing and configured to obtain a plurality of temperature readings, and monitor logic configured to compare the plurality of temperature readings to a temperature threshold. The device also includes counter logic configured to generate an excursion count indicating a quantity of time periods the temperature readings exceeded the temperature threshold, generate a consecutive count indicating a quantity of consecutive temperature readings exceeding the temperature threshold, and generate a cumulative count indicating a cumulative quantity of temperature readings exceeding the temperature threshold. | 2012-05-10 |
20120114011 | FAST RESPONSE TEMPERATURE MEASUREMENT WITHIN A GAS TURBINE - A fast response temperature probe which may be used for a method for measuring an instantaneous temperature of a periodically changing fluid flow within a gas turbine is proposed. The temperature probe includes a substrate and a resistive element arranged at a surface of the substrate. Therein, at least at a surface of the substrate contacting the resistive element, the substrate comprises an insulating material having a thermal product of less than 1.5 kJ/(m | 2012-05-10 |
20120114012 | INFRARED RAY DETECTION DEVICE, HEATING COOKER, AND METHOD OF MEASURING TEMPERATURE OF COOLING CHAMBER OF HEATING COOKER - A heating cooker including an infrared ray detection device is disclosed. The heating cooker includes a body, an inner case disposed within the body, and provided therein with a cooking chamber to cook food, a detection hole formed at one side wall of the inner case, to allow an infrared ray generated in the cooking chamber to exit outwardly from the cooking chamber, a path change unit disposed in the vicinity of the detection hole, to change a path of the infrared ray passing through the detection hole, and an infrared sensor disposed to be spaced apart from the path change unit, to receive the infrared ray, the path of which has been changed. The path change unit is rotatable to enable the infrared sensor to receive infrared rays having different paths while being generated in different regions in the cooking chamber. | 2012-05-10 |
20120114013 | TEMPERATURE MEASURING DEVICE - Provided is a temperature measuring device capable of continuously measuring a body temperature without imposing a load on a subject or a measurer. The temperature measuring device includes: a temperature measuring unit ( | 2012-05-10 |
20120114014 | USING PRECODING VECTOR SWITCHING IN UPLINK SHARED CHANNEL - Methods and apparatuses are provided that include providing transmit diversity for data channel transmissions. Different precoding vectors can be used over different slots of a given subframes to precode corresponding signals. The precoding vectors, in one example, can be orthogonal. In addition, using the different precoding vectors can be determined based on a user equipment receiving an indicator from a base station receiving the data channel transmissions of whether to use frequency hopping over the slots. Moreover, precoding vectors used to precode data channel transmissions can additionally or alternatively vary across subframes. | 2012-05-10 |
20120114015 | SYNCHRONIZED SYSTEM CONFIGURATION - Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, for receiving a timing signal at a first access point, wherein the timing signal is also received at a second access point. A first time is synchronized at the first access point with a second time at the second access point based upon the received timing signal. The first access point is configured with a spreading code and a transmit frequency. The second access point is also configured with the spreading code and the transmit frequency. The spreading code of the first access point is synchronized with the spreading code of the second access point using the timing signal. A message is transmitted from the first access point to the node and from the second access point to the node. | 2012-05-10 |
20120114016 | Method for Processing Data - A method includes encoding data according to a space time transmit diversity scheme and spatial-multiplexing the encoded data. | 2012-05-10 |