Patent application number | Description | Published |
20150011199 | ELECTRONIC DEVICE AND METHODOF CONTROLLING THE SAME - An electronic device with watch phone functionality and a method of controlling the same are provided. Upon receiving predetermined input on the display of the watch phone, the electronic device transmits a control signal for creating a wireless link to a mobile terminal which will connect with the watch phone, and transmits location information on the mobile terminal and a captured image of the surroundings to the watch phone. Accordingly, the user can locate the mobile terminal more easily using the watch phone. | 01-08-2015 |
20150146561 | METHOD FOR MEASURING AND REPORTING CSI-RS IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is a method for measuring and reporting a channel state information-reference signal (CSI-RS) by a terminal in a wireless communication system. The method involves acquiring, from a network, a measurement configuration for measuring radio resource monitoring, the measurement configuration including information for requesting a CSI-RS measurement report, performing a CSI-RS measurement based on the measurement configuration in order to acquire a CSI-RS measurement result, evaluating whether or not a measurement result report condition has been satisfied based on the measurement configuration, and, if the measurement result report condition has been satisfied, transmitting a measurement report message to the network. The measurement report message includes the CSI-RS measurement result. | 05-28-2015 |
20150146617 | METHOD FOR TRANSFERRING A STATUS REPORT AND A COMMUNICATION DEVICE THEREOF IN A WIRELESS COMMUNICATION SYSTEM - There is provided a method for transferring a status report in a wireless communication system, the method comprising: configuring a Packet Data Convergence Protocol (PDCP) status report used by a PDCP layer located above a Radio Link Control (RLC) layer, the PDCP status report including an indicator indicating a count value of a first non-received service data unit (SDU); and transferring the configured PDCP status report to a lower layer. The indicator may be first missing sequence number count (FMS COUNT) value which contains the count value of the first non-received PDCP SDU. | 05-28-2015 |
20150156743 | METHOD AND APPARATUS FOR UPDATING TRACKING AREA IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for updating a tracking area for a device-to-device (D2D) connection in a wireless communication system is provided. A second mobile device receives a tracking area update (TAU) request message from a first mobile device which has a D2D connection with the second mobile device, and transmits a TAU message to a network. | 06-04-2015 |
20150163740 | METHOD AND APPARATUS FOR CHANGING DISCONTINUOUS RECEPTION CYCLE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for changing a Discontinuous Reception (DRX) cycle in a wireless communication system is provided. A wireless device configures a short DRX cycle and a long DRX cycle. When the wireless device receives a PDCCH indicating a new data transmission, it determines that the short DRX cycle is used and a running drxShortCycleTimer is stopped for the DRX operation. Discontinuous reception (DRX) cycle can be configured flexibly according to the new data transmission and a CSI report between the UE and the eNB can be complied with accurately and frequently. | 06-11-2015 |
20150181526 | METHOD AND APPARATUS FOR APPLYING A DISCONTINUOUS RECEPTION (DRX) CYCLE IN A WIRELESS COMMUNICATION SYSTEM - A method for and apparatus for applying a DRX (Discontinuous Reception) cycle in a wireless communication system is provided. A wireless device configures one among a short DRX cycle and a long DRX cycle by a rule/an indicator predetermined right after DRX configuration by RRC signaling. Discontinuous reception (DRX) cycle can be configured rapidly and the DRX operation without receiving a DRX Command MAC CE and waiting for a drx-InactivityTimer is expired can be provided. | 06-25-2015 |
20150181571 | METHOD MONITORING PDCCH BASED ON DRX AND COMMUNICATION DEVICE THEREOF - There is provided a monitoring method according to a discontinuous reception (DRX), the method comprising: determining whether an uplink data to be retransmitted is related to a semi-persistent scheduling (SPS); and monitoring a physical downlink control channel (PDCCH) to receive an uplink grant for the retransmission if the uplink data to be retransmitted is not related to the SPS, or not monitoring the PDDCH, if the uplink data to be retransmitted is related to the SPS. | 06-25-2015 |
20150181610 | METHOD AND APPARATUS FOR TRANSMITTING INDICATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication in a wireless communication is provided. A user equipment (UE) transmits a multimedia broadcast/multicast service (MBMS) interest indication indicating a long-term evolution (LTE) frequency, and if an in-device coexistence (IDC) interference is detected on the LTE frequency, the UE transmits updated MBMS interest indication excluding the LTE frequency. | 06-25-2015 |
20150189493 | METHOD AND APPARATUS FOR TRANSMITTING MOBILITY RELATED INFORMATION - A method and apparatus for transmitting mobility-related information in a wireless communication system is provided. A user equipment (UE) receives a configuration for transmission of mobility-related information from a network during connection establishment, and transmits the mobility-related information to the network based on the configuration of the transmission of the mobility-related information. | 07-02-2015 |
20150195731 | METHOD FOR MEASURING AND REPORTING CSI-RS IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is a method for measuring and reporting a channel state information-reference signal (CSI-RS) by a terminal in a wireless communication system. The method involves receiving a CSI-RS configuration from a network, the CSI-RS configuration including information indicating a plurality of CSI-RS resources that is an object to be measured, measuring the plurality of CSI-RS resources in order to acquire a plurality of CSI-RS measurement results, determining whether or not to report the CSI-RS measurement results, and transmitting a measurement report message to the network. The measurement report message includes a specific number of CSI-RS measurement results having a higher level of quality from among the plurality of CSI-RS measurement results. | 07-09-2015 |
20150195753 | METHOD FOR SIGNALING IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS SUPPORTING SAME - Provided is a signaling method carried out by user equipment (UE) in a wireless communication system. The method comprises: starting a prohibit timer regarding the transmission of a first UE-originated indicator; and restarting the prohibit timer when a handover indication message is received from a network. | 07-09-2015 |
20150195758 | Method and User Equipment for Performing Measurement on Cell - According to an embodiment of the present specification, a method of performing a measurement on one or more of a serving cell and a neighboring cell is provided. The method may include: measuring signal quality for a neighboring node; scaling-down or scaling-up parameter values that trigger the transmission of a measurement report according to measurement results; and transmitting the measurement report. | 07-09-2015 |
20150195774 | METHOD AND APPARATUS FOR RECEIVING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for receiving system information in a wireless communication system is provided. A user equipment (UE) transmits information on reception of system information to a node, and receives system information based on the information on reception of the system information. A method for and apparatus transmitting information on resources in a wireless communication system is also provided. A first node sets resources related to scheduling of transmission of at least one of system information or a paging message, and transmits information on the resources to a second node. | 07-09-2015 |
20150195865 | METHOD AND APPARATUS FOR TRANSMITTING INDICATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication for device-to-device (D2D) mobility or D2D connection failure in a wireless communication system is provided. A first mobile device identifies a cell for mobility of the first mobile device or a second mobile device which has a connection with the first mobile device, and indicates the connection with the second mobile device to the cell. Also, the first mobile device detects failure of the connection with the second mobile device, and indicates the failure of the connection with the second mobile device to either the second mobile device or the cell. | 07-09-2015 |
20150195866 | METHOD AND APPARATUS FOR CHANGING DISCONTINUOUS RECEPTION CYCLE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for changing Discontinuous Reception (DRX) cycle in a wireless communication system is provided. A wireless device configures a short DRX cycle and a long DRX cycle. When a drx-ShortCycle timer expires, it is determined whether a drxInactivityTimer is run or not. Therefore, the wireless device uses one of the short DRX cycle and the long DRX cycle according to the determination. Discontinuous reception (DRX) cycle can be configured flexibly and a CSI report between the UE and the eNB can be complied with accurately. | 07-09-2015 |
20150201339 | METHOD AND APPARATUS FOR MEASURING A PACKET THROUGHPUT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of measuring a packet throughput using a timer in a wireless communication system are provided. When determining a reference time for estimating packet throughput, a receiver determines the time that a data burst starts or ends using a timer in order to estimate the packet throughput considering a change in the data burst of the transmitter buffer. A measurement period is defined through the determined start time and end time of the data burst by the timer, and packet throughput is measured considering the total amount of the received data burst. The throughput of packet data may be estimated by each base station based on the same standard rule, so that the measured packet throughput values may be reliable, thus allowing the operator to make use of it as a parameter for MDT. | 07-16-2015 |
20150201343 | METHOD FOR MEASUREMENT REPORTING IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS SUPPORTING SAME - Provided is a method for measurement reporting by user equipment (UE) in a wireless communication system. The method comprises: evaluating a first measurement result and deciding whether a first reporting condition has been satisfied; evaluating a second measurement result and deciding whether a second reporting condition has been satisfied; and transmitting a measurement reporting message to a network, if the first measurement result satisfies the first reporting condition. If the second measurement result satisfies the second reporting condition within a specific time interval from the time of satisfying the first reporting condition, then the measurement reporting message includes the first measurement result and the second measurement result. | 07-16-2015 |
20150201456 | METHOD AND APPARATUS FOR CONFIGURING A DISCONTINUOUS RECEPTION (DRX) OPERATION IN A WIRELESS COMMUNICATION SYSTEM - A method for and apparatus for configuring a DRX (Discontinuous Reception) operation in a wireless communication system is provided. A wireless device configures that it does not to monitor a PDCCH during a Scheduling Request (SR) pending period by receiving an indication. The wireless device also modifies that an Active Time does not include the SR pending period depending on the indication, so that the DRX operation can be configured for battery saving purpose more efficiently. | 07-16-2015 |
20150208266 | METHOD FOR MEASURING AND REPORTING CSI-RS IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is a method for measuring and reporting a channel state information-reference signal (CSI-RS) in a wireless communication system. The method comprises: transmitting a first measurement report message, which includes at least one first CSI-RS measurement report; determining whether to report at least one second CSI-RS measurement result; and transmitting a second measurement report message, which includes the at least one second CSI-RS measurement result, when the determination is made to report the second CSI-RS measurement result. The determination of whether to report is based on a first CSI-RS trigger list, which is a list of one or more first CSI-RS resources that are related to the at least one first CSI-RS measurement result, and a second CSI-RS trigger list, which is a list of one or more second CSI-RS resources that are related to the at least one second CSI-RS measurement result. | 07-23-2015 |
20150208267 | MEASUREMENT REPORT METHOD IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING SAME - Provided is a measurement report method performed by a terminal in a wireless communication system. The method comprises acquiring a measurement result, activating or inactivating positioning for acquiring location information, and transmitting a measurement report message via a network. The method further comprises acquiring location information related to the measurement result when the positioning is activated. The measurement report message includes the measurement result and the location information. The measurement report message includes the measurement result when the positioning is not activated. | 07-23-2015 |
20150208303 | METHOD FOR REPORTING MOBILITY INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING SAME - Provided is a method for reporting mobility information by means of a terminal in a wireless communication system. The method includes generating mobility information and reporting the mobility information via a network. The mobility information includes mobility state information indicating the estimated mobility state of the terminal, and mobility history information relating to the mobility history of the terminal. | 07-23-2015 |
20150208452 | METHOD AND APPARATUS FOR TRANSMITTING DEVICE-TO-DEVICE RELATED MESSAGE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for establishing a device-to-device (D2D) connection in a wireless communication system is provided. A first mobile device transmits a D2D related message including an identity of a second mobile device, which is connected with the first mobile device, to a network. Or, a first mobile device receives a D2D related message including an identity of a second mobile device, which is connected with the first mobile device, from a network. | 07-23-2015 |
20150208461 | METHOD AND APPARATUS FOR CONTROLLING UPLINK TRANSMISSION ON DISCONTINUOUS RECEPTION OPERATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for controlling uplink transmissions on Discontinuous reception (DRX) operation are provided. A wireless device chooses that a Channel Quality Indicator (CQI)/Precoding Matrix Index (PMI)/Rank Indicator (RI)/Precoding Type Indicator (PTI) on a Physical Uplink Control Channel (PUCCH) are not reported at a subframe n if an onDurationTimer is determined to be not active at the sub-frame n. An uncertainty about the uplink control information during the On Duration occurred by previous DRX operation can be resolved. | 07-23-2015 |
20150208462 | METHOD AND APPARATUS FOR CONFIGURING A DISCONTINUOUS RECEPTION (DRX) OPERATION IN A WIRELESS COMMUNICATION SYSTEM - A method for and apparatus for configuring a DRX (Discontinuous Reception) operation in a wireless communication system is provided. A wireless device starts an onDuration timer according to a first DRX configuration and stops the onDuration timer which is running according to the first DRX configuration if a second DRX configuration is received. So that the UE can move out of the OnDuration before the expiry of the running OnDurationTimer by stopping the running onDurationTimer and apply a newly received DRX configuration. | 07-23-2015 |
20150215745 | METHOD AND APPARATUS FOR TRANSMITTING INDICATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication in a wireless communication is provided. A user equipment (UE) transmits a first indication indicating at least one of first information and second information, starts a timer, and transmits a second indication if the first information included in the first indication is changed while the timer is running. | 07-30-2015 |
20150215843 | METHOD AND APPARATUS FOR PERFORMING ACCESS CLASS BARRING IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of establishing a connection in a wireless communication system is provided. A user equipment (UE) receives first barring information for member UEs and second barring information for non-member UEs, determines whether the UE is able to access to a cell or not based on one of the first barring information and the second barring information according to whether the UE is either a member UE or a non-member UE, and transmits an access request if it is determined that the UE is able to access to the cell. | 07-30-2015 |
20150215900 | COMMUNICATION METHOD BASED ON AUTOMATIC SERVING CELL MANAGEMENT IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SUPPORTING SAME - Disclosed is a communication method performed by a terminal in a wireless communication system. The method comprises: determining whether a serving cell management condition is satisfied; and managing a cell set including at least one serving cell for the terminal according to the satisfied serving cell management condition. | 07-30-2015 |
20150223126 | PRIORITY HANDLING-BASED CELL RESELECTION METHOD IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING THE METHOD - Provided is a cell reselection method performed by a terminal in a wireless communication system. The method comprises acquiring information indicating that the lowest priority is to be applied to a specific frequency, applying the lowest priority to the specific frequency and operating a cell reselection, applying the highest priority to the specific frequency upon sensing a specific type cell during the operation, and performing a cell reselection based on the applied lowest priority or highest priority. | 08-06-2015 |
20150223144 | METHOD AND APPARATUS FOR PERFORMING SERVICE-SPECIFIC ACCESS CONTROL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing service-specific access control in a wireless communication system is provided. A user equipment (UE) acquires different sets of barring information for a voice application, a video application and other application, and decides whether or not access is allowed according to the sets of barring information for the other application if an application except the voice application and the video application is offered. | 08-06-2015 |
20150223258 | OPERATING METHOD FOR ACQUIRING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is an operating method for acquiring system information which is to be performed by a terminal in a wireless communication system. The method comprises: transmitting, to a serving cell, a system information acquisition failure report message that requests the transmission of compulsory system information; operating a system based on the acquired compulsory system information upon the acquisition of the compulsory system information as a response to the system information acquisition failure report message; and performing a connection recovery upon the failure of the acquisition of the compulsory system information as a response to the system information acquisition failure report message. | 08-06-2015 |
20150230267 | METHOD AND APPARATUS FOR PERFORMING BACKOFF FOR SCHEDULING REQUEST IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for scheduling uplink (UL) transmission in a wireless communication system is provided. A user equipment (UE) receives a backoff parameter from a network, and determines whether or not to apply the received backoff parameter before transmitting a scheduling request (SR) to the network via a dedicated channel. Whether or not to apply the received backoff parameter is determined according to a prioritized access, and the prioritized access corresponds to one of emergency access, high priority access, control element/information in media access control (MAC), radio link control (RLC) or packet data convergence protocol (PDCP), data radio bearer (DRB) for voice/video service, signaling radio bearer (SRB) 0, SRB 1, SRB 2, multimedia telephony service (MMTEL)-voice, MMTEL-video, and voice over long-term evolution (VoLTE). | 08-13-2015 |
20150230276 | METHOD FOR OPERATING BASED ON DELAY-TOLERANCE INFORMATION HANDLING IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS SUPPORTING SAME - Disclosed is an operating method of a serving base station in wireless communication system. The method comprises obtaining delay-tolerance information with respect to user equipment, and operating based on the delay-tolerance information. The delay-tolerance information indicates whether the user equipment is a delay-tolerant user equipment (UE), which allows a service delay. Provided is a delay-tolerance information-based operating method of user equipment in a wireless communication system. The method comprises generating delay-tolerance information and transmitting delay-tolerance information to a network. The delay-tolerance information indicates whether the user equipment is a delay-tolerant user equipment (UE), which allows a service delay. The network is operated based on the delay-tolerance information. | 08-13-2015 |
20150237566 | METHOD AND APPARATUS FOR RECEIVING EXTENDED ACCESS BARRING PARAMETERS IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for receiving extended access barring (EAB) parameters in a wireless communication system is provided. A user equipment (UE) receives an EAB parameter, and receives an EAB parameter modification. The received EAB parameter is invalidated upon receiving the EAB parameter modification. The UE also waits for applying EAB until modified EAB parameter is received, and receives the modified EAB parameter. | 08-20-2015 |
20150237576 | METHOD AND APPARATUS FOR CONFIGURING TIMER IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication in a wireless communication system is provided. A user equipment (UE) transmits a first indication according to a first configuration, starts a timer prohibiting transmission of another indication, receives a second configuration, and configures a second indication according to the second configuration after the timer expires. | 08-20-2015 |
20150249951 | METHOD FOR CONTROLLING ACCESS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING SAME - Provided is a method for a terminal controlling access in a wireless communication system. The method comprises: obtaining service-specific access control information; obtaining service group access control information; and controlling access to a specific type of service based on the service group access control information and the service-specific access control information. The service-specific access control information includes a service-specific barring factor parameter which is applied to the specific type of service. The service group access control information includes a service group barring factor parameter which is commonly applied to specific service groups that include at least one type of service. | 09-03-2015 |
20150249952 | METHOD AND APPARATUS FOR RECEIVING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for receiving system information in a wireless communication system is provided. A user equipment (UE) receives a system information modification from an eNodeB (eNB) on a UE-dedicated channel via a radio resource control (RRC) connection reconfiguration message, and receives at least one system information block from the enB according to system information modification. | 09-03-2015 |
20150257196 | METHOD AND APPARATUS FOR INFORMATION ON INTERFERENCE FOR DEVICE-TO-DEVICE CONNECTION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting information on interference for a device-to-device (D2D) connection in a wireless communication system is provided. A first mobile device detects interference on subframes allocated to a connection with a second mobile device, and transmits information on the subframes in which the interference is detected, to either the second mobile device or a network. | 09-10-2015 |
20150264618 | INTERESTED SERVICE-BASED CELL RESELECTION METHOD IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is an interested service-based cell reselection method performed by a terminal in a wireless communication system. The method comprises checking that access to the current cell is blocked, determining whether the condition for receiving an interested service is satisfied, and selecting, if the condition for receiving an interested service is satisfied, the cell on the same frequency as the frequency of the current cell. | 09-17-2015 |
20150271694 | METHOD FOR REPORTING MEASUREMENT COMBINED IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING SAME - Provided is a method for reporting a measurement in a wireless communication system. The method comprises: obtaining a first-type measurement result by performing a first-type measurement; obtaining a second-type measurement result by performing a second-type measurement; determining whether the first-type measurement result satisfies a reporting condition; and transmitting a measurement report message, which includes the first-type measurement result, to a network when the first-type measurement result satisfies the reporting condition. A first measurement report message further comprises a second-type measurement result. | 09-24-2015 |
20150271867 | METHOD AND APPARATUS FOR TRANSMITTING MESSAGE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting a message in a wireless communication system is provided. A user equipment (UE) submits a message to a packet data convergence protocol (PDCP) layer and a radio link control (RLC) layer, detects a radio link failure or a handover failure, checks whether the RLC layer receives acknowledgement (ACK) to the message from the network, reestablishes the connection with the network, and retransmits the message upon the reestablishment if the RLC layer does not receive the ACK to the message. | 09-24-2015 |
20150281991 | METHOD FOR REPORTING DENIED CONNECTION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS SUPPORTING SAME - Provided is a method for reporting a denied connection in a wireless communication system. The method comprises generating denied connection information, which is information on a connection establishment attempt that is denied, when an attempt to establish the connection to a network is denied, and then reporting the denied connection information to the network. The denied connection information becomes an operation base for the network. | 10-01-2015 |
20150282214 | METHOD AND APPARATUS FOR PERFORMING BACKOFF IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing backoff in a wireless communication system is provided. A user equipment (UE) identifies a prioritized access, receives a backoff parameter from a network, and determines whether or not to apply the received backoff parameter according to the prioritized access. The prioritized access corresponds to one of emergency access, high priority access, control element/information in media access control (MAC), radio link control (RLC) or packet data convergence protocol (PDCP), data radio bearer (DRB) for voice/video service, signaling radio bearer (SRB) 0, SRB 1, SRB 2, multimedia telephony service (MMTEL)-voice, MMTEL-video, and voice over long-term evolution (VoLTE). | 10-01-2015 |
20150282248 | METHOD AND APPARATUS FOR RELEASING CONNECTION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of releasing a connection in a wireless communication system is provided. A user equipment (UE) establishes a radio resource control (RRC) connection with a specific establishment cause, receiving paging indicating connection release and release information including an establishment cause or a logical channel priority, and releasing the RRC connection depending on the establishment cause or the logical channel priority included in the release information. | 10-01-2015 |
20150289156 | METHOD OF REPORTING MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SUPPORTING SAID METHOD - A method of reporting a measurement performed by UE in a wireless communication system is provided. The method includes: performing a measurement and obtaining a first measurement result; and generating information on a first measurement bandwidth related to the first measurement result and transmitting a measurement reporting message to a network. The measurement reporting message includes the first measurement result and the information on the first measurement bandwidth. The information on the first measurement bandwidth is information related to a measurement bandwidth regarding the first measurement result. | 10-08-2015 |
20150296535 | METHOD AND APPARATUS FOR TRANSMITTING DEVICE-TO-DEVICE RELATED INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for establishing a device-to-device (D2D) connection in a wireless communication system is provided. A first mobile device may transmit an identity of a network node to a second mobile device. In this case, the first mobile device and the network node are connected by a first connection, and the first mobile device and the second mobile device are connected by a second connection. Or, a base station may transmit information on a D2D connection between mobile devices which are connected to the base station, to a neighboring network node. The information on the D2D connection includes at least one of information on the mobile devices, and a D2D mode. | 10-15-2015 |
20150296556 | METHOD AND APPARATUS FOR PROHIBITING AUTONOMOUS DENIAL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for prohibiting autonomous denial in a wireless communication system is provided. A user equipment (UE) receives a configuration for autonomous denial over a first connection from a network, and prohibits the autonomous denial for UL transmission if the UL transmission corresponds to a specific signal. | 10-15-2015 |
20150304799 | METHOD FOR INFORMING IDENTIFICATION OF A UE AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for informing identification of a UE (User Equipment) in the wireless communication system, the method comprising: receiving information related to a size of data to be transmitted to or from the UE, determining whether the UE is considered as the MTC_UE (Machine Type Communication_UE) or not based on the information; and informing a network that the UE is the MTC_UE by performing the MTC_UE specific access. | 10-22-2015 |
20150304918 | CELL RESELECTION METHOD BASED ON PRIORITY HANDLING IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SUPPORTING SAME - Provided is a cell reselection method performed by a terminal in a wireless communication system. The method includes: receiving first priority information for at least one frequency; receiving second priority information for the one or more frequencies; and selectively applying, based on the state of the terminal, any one of the first priority information and second priority information and performing cell reselection. The first priority information is provided through a connection rejection message and provides instructions on the priority for the one or more frequencies to be lowered. The second priority information is provided from a current cell through system information. | 10-22-2015 |
20150304919 | METHOD FOR HANDLING FREQUENCY PRIORITY BASED ON TERMINAL SUPPORTING CHARACTERISTICS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING SAME - Provided in one aspect is a method for handling a frequency priority performed by a terminal in a wireless communication system. The method comprises: receiving minimum priority application request information from a network; and handling a frequency priority for cell reselection on the basis of the minimum priority application request information and the supporting characteristics of the terminal. The minimum priority application request information indicates an application of the minimum priority to a current frequency of the terminal or all frequencies of current radio access technology (RAT) of a cell which the terminal camps on. The supporting characteristic of the terminal is whether the terminal supports the RAT other than the current RAT. The handling of the frequency priority is a variable application of the frequency priority for the cell reselection according to the contents of the minimum priority application request information and the supporting characteristics of the terminal. | 10-22-2015 |
20150304966 | METHOD FOR REPORTING A POWER HEADROOM AND COMMUNICATION DEVICE THEREOF - There is provided a method for a method for reporting a power headroom. The method may comprise: identifying a change of a MAC entity; and triggering a power headroom reporting (PHR), if the change of the MAC entity is identified. | 10-22-2015 |
20150312869 | METHOD FOR REPORTING TIMER STATUS INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method for reporting TAT (time alignment timer) status information at a user equipment (UE) in a wireless communication system is disclosed. The method includes a step of reporting the TAT status information for at least one TAG (time alignment group) to a network when a condition is met, wherein the TAT status information indicates whether the TAT for at least one TAG is running or not. | 10-29-2015 |
20150312947 | METHOD AND APPARATUS FOR CONFIGURING CELL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for configuring a cell in a wireless communication system is provided. A user equipment (UE) receives a radio resource control (RRC) message which includes a configuration for a secondary cell (SCell) and an indication of an initial state of the SCell. The initial state of the SCell is set to either one of an activated state and deactivated state. The UE configures the SCell based on the configuration and the initial state of the SCell. | 10-29-2015 |
20150319716 | Method for Reporting a Power Headroom and Communication - There is provided a method for reporting a power headroom. The method may comprise: establishing, by a user equipment (UE), connections with plural base stations, each of which includes one or more cells; determining, by the UE, a power headroom for at least one base station among the plural base stations; and triggering, by the UE, a power headroom reporting (PHR) including the determined power headroom. | 11-05-2015 |
20150319744 | METHOD OF REPORTING INFORMATION ON UE STATE PERFORMED BY UE IN WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SUPPORTING SAID METHOD - A method of reporting information on a UE state performed by UE in a wireless communication system is provided. The method includes: generating information on a UE state; transmitting the information on the UE state to a network; obtaining, from the network, configuration information generated based on the information on the UE state; and operating based on the configuration information. The information on the UE state includes at least one of UE activity specifying a frequency at which a UE communicates with the network, and an activity state of the UE determined based on the UE activity. | 11-05-2015 |
20150319773 | METHOD FOR REPORTING CELL STATUS INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method for reporting cell activation status information at a user equipment (UE) in a wireless communication system is disclosed. The method includes a step of reporting, to a network, the cell activation status information for a plurality of cells configured to the UE when a condition is met, wherein the cell activation status information for the plurality of cells indicates whether each of the plurality of cells is activated or deactivated. | 11-05-2015 |
20150319800 | METHOD AND APPARATUS FOR PERFORMING RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing a random access (RA) procedure in a wireless communication system is provided. A user equipment (UE) establishes connection with a first node and a second node, and transmits an RA preamble to the second node. If a number of RA preamble transmissions reaches a maximum number, the UE stops uplink (UL) transmission of all cells in a group to which the second node belongs, and transmits an indication indicating that transmission of the RA preamble has failed to the first node. | 11-05-2015 |
20150319801 | METHOD AND APPARATUS FOR TRANSMITTING INDICATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication in a wireless communication system is provided. A user equipment (UE) receives information on a configuration of a second cell from a first cell, performs a synchronization procedure with the second cell, and after the synchronization procedure is successfully performed, transmitting an indication, which indicates that the second cell is successfully configured, to the first cell. Accordingly, a radio resource control (RRC) connection reconfiguration complete message is transmitted after the synchronization procedure. | 11-05-2015 |
20150327094 | METHOD AND APPARATUS FOR TRANSMITTING INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting information in a wireless communication system is provided. A first node receives an indication which indicates that a secondary cell (SCell) is added by a user equipment (UE), and information on the added SCell, and transmits an SCell addition request, including the information on the added SCell and an identity of the UE, to a second node. Alternatively, a method for transmitting information in a wireless communication system is provided. The first node receives an indication which indicates that an SCell is released by a UE, and information on the released SCell, and transmits an SCell release request, including the information on the released SCell and an identity of the UE, to a second node. | 11-12-2015 |
20150327115 | METHOD FOR REPORTING BUFFER STATUS AND COMMUNICATION DEVICE THEREOF - There is provided a method for reporting buffer status. The method may comprise: establishing a first MAC entity for a first eNodeB and a second MAC entity for a second eNodeB; identifying the first MAC entity on which an uplink data is to be transmitted among the first and second MAC entities, if the uplink data becomes available to be transmitted; and triggering a buffer status report (BSR) for the first MAC entity. | 11-12-2015 |
20150327141 | METHOD FOR RESELECTING CELL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS SUPPORTING SAME - Provided is a method for user equipment reselecting a cell in a wireless communication system. The method comprises: obtaining a public land mobile network (PLMN) list from a serving cell, wherein the PLMN list lists a plurality of PLMNs according to businesses sharing the serving cell; obtaining cell reselection information from the serving cell, wherein the reselection information includes a plurality of cell reselection information sets related to the plurality of PLMNs; and reselecting the cell based on the PLMN list and the cell reselection list. | 11-12-2015 |
20150334734 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL SIGNALS IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting uplink control signals in a wireless communication system is provided. A user equipment (UE) transmits a first uplink control signal for a first type cell to a first eNodeB (eNB) on a first physical uplink control channel (PUCCH) in the first type cell. The UE transmits a second uplink control signal for a second type cell to a second eNB on a second PUCCH in the second type cell. The UE transmits a third uplink control signal for a third type cell to the second eNB on the second PUCCH in the second type cell. The third type cell is a cell where a PUCCH is not configured, and the UE supports dual connectivity with the first eNB and the second eNB. | 11-19-2015 |
20150334763 | METHOD FOR OPERATING TIME ALIGNMENT TIMER AND COMMUNICATION DEVICE THEREOF - There is provided a method for operating time alignment timer (TAT). The method may comprise: operating a first TAT in a first medium access control (MAC) entity; operating a second TAT in a second MAC entity; and if the first TAT operated in the first MAC entity is expired, considering the second TAT operated in the second MAC entity as expired. | 11-19-2015 |
20150351132 | METHOD FOR PERFORMING RANDOM ACCESS PROCEDURE AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing random access procedure by a UE (User Equipment) in the a wireless communication system, the method comprising: transmitting random access preamble to the BS (Base Station); receiving response message including UL (Uplink) grant and TTI (Transmission Time Interval) bundling information; and performing UL transmission using the UL grant by TTI bundling operation. | 12-03-2015 |
20150358813 | METHOD AND APPARATUS FOR APPLYING SECURITY INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for applying security information in a wireless communication system is provided. A user equipment (UE) obtains first security information and second security information, applies the first security information to a first set of radio bearers (RBs) which is served by a master eNodeB (MeNB), and applies the second security information to a second set of RBs which is served by a secondary eNodeB (SeNB). | 12-10-2015 |
20150359035 | METHOD FOR APPLYING TIMER FOR DISCOUNTINUOUS RECEPTION PROCEDURE IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method for running a DRX (Discontinuous Reception) cycle at a user equipment in a wireless communication system is disclosed. The method includes steps of receiving configuration information for a long DRX cycle and a short DRX cycle; receiving at least one data unit including one or more DRX command MAC (medium access control) CEs (control elements) in a predetermined period; and running one of the long DRX cycle and the short DRX cycle according to a total number of DRX command MAC CEs. | 12-10-2015 |
20150365984 | METHOD AND APPARATUS FOR TRANSMITTING INDICATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting an indication in a wireless communication system is provided. A user equipment (UE) transmits an indication to a second node to inform establishment of a connection between a first node and the UE. Alternatively, a method and apparatus for establishing a connection in a wireless communication system is provided. | 12-17-2015 |
20150373609 | Radio Link Failure Reporting in a System Using Multiple Cells - Radio link Failure (RLF) reporting operation in a wireless communication system using multiple cells is disclosed. According to this operation, when a first cell and a second cell are simultaneously connected to a UE and the first cell and the second cell are of different base stations (a first base station and a second base station respectively), if the RLF with the UE on the first cell is detected by the first base station, the first base station may transmits an indication of the RLF with the UE on the first cell to the second base station. | 12-24-2015 |
20150373767 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting data in a wireless communication system is provided. A user equipment (UE) establishes dual connectivity with at least one first cell and at least one second cell, receives an indication which indicates that a data transmission path of a radio bearer is to be configured for the at least one first cell, configures the data transmission path of the radio bearer for the at least one first cell, and transmits data via the data transmission path on the at least one first cell. | 12-24-2015 |
20150381400 | METHOD FOR CONFIGURING A RECEIVER BANDWIDTH AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reconfiguring a receiver bandwidth by a UE (User Equipment) in the wireless communication system, the method comprising: receiving a message related to SCell activation or deactivation command; determining whether the receiver bandwidth can be reconfigured before a specific time of a HARQ feedback transmission for the message; and reconfiguring the receiver bandwidth before the HARQ feedback transmission for the message if the receiver bandwidth can be reconfigured before the specific time. | 12-31-2015 |
20160037510 | METHOD FOR PERFORMING A LOGICAL CHANNEL PRIORITIZATION AND COMMUNICATION DEVICE THEREOF - There is provided a method for performing a logical channel prioritization. The method may comprise: receiving an uplink (UL) grant; identifying a set of logical channels whose data are to be transmitted using the uplink grant; and performing a logical channel prioritization (LCP) based on the identified set of logical channels. | 02-04-2016 |
20160044565 | METHOD AND APPARATUS FOR ESTABLISHING CONNECTION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for establishing a connection in a wireless communication system is provided. A user equipment (UE) in a connected mode camps on a second cell, transmits a connection request to the second cell, and receives redirection information, which indicates redirection to a first cell or a frequency of the first cell, from the second cell. The UE completes connection with the first cell by transmitting a message. | 02-11-2016 |
20160044734 | METHOD FOR REPORTING BUFFER STATUS AND COMMUNICATION DEVICE THEREOF - There is provided a method for a method for reporting buffer status. The method may comprise: identifying a change of a radio bearer; and triggering a buffer status report (BSR), if the change of the radio bearer is identified. | 02-11-2016 |
Patent application number | Description | Published |
20110086659 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed are apparatuses and methods for transmitting and receiving control information, such as downlink assignment and uplink grant, to each CC through a DCI format of a PDCCH in a wireless communication system using a plurality of CCs. Exemplary embodiments include configuration and transmission of a CC indicator for the DCI format, in order to identify a CC to which the control information transferred by each DCI format corresponds from among the CCs. | 04-14-2011 |
20110176634 | METHOD AND APPARATUS FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed are an apparatus for Channel State Information-Reference Signal (CSI-RS) allocation and a method for CSI-RS transmission using the same in a wireless communication system. A CSI-RS for each antenna port is allocated to REs or subcarriers on a basis of a symbol or symbol axis in a subframe or Resource Block (RB), and is allocated in such a manner that a distance between neighboring CSI-RS allocation REs or subcarriers may be 3 REs or subcarriers. Accordingly, in the range of following CSI-RS transmission overhead, CSI-RSs are allocated to a time-frequency resource domain in such a manner so as to have perfect orthogonality or quasi-orthogonality according to cells or cell groups. Then, the CSI-RSs, which have been allocated to the time-frequency resource domain, are transmitted. | 07-21-2011 |
20110267972 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING OF CYCLIC SHIFT PARAMETER FOR SUPPORTING ORTHOGONALITY IN MIMO ENVIRONMENT - A method includes: determining a CS parameter which implicitly indicates an orthogonality allocation rule and orthogonality-related information, by determining a multiple access state of one or more User Equipments (UEs), and transmitting the determined CS parameter to the one or more UEs, wherein the orthogonality-related information comprises an Orthogonal Cover Code (OCC) indicated by the CS parameter, the orthogonality allocation rule is determined as a uniform scheme or a non-uniform scheme according to a set with at least one element to which the CS parameter belongs, if the non-uniform scheme is applied as the orthogonality rule, determining the at least one element as the CS parameter of the UE if the UE is in an SU-MIMO (Single User Multiple Input Multiple Output) state, and if the uniform scheme is applied as the orthogonality rule, determining the at least one element as the CS parameter of the UE if the UE is in an MU-MIMO (Multiple User Multiple Input Multiple Output) state. | 11-03-2011 |
20110292847 | APPARATUS AND METHOD FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the present invention relate to a wireless communication system, and more particularly, to a technology for allocating a Channel State Information-Reference Signal (CSI-RS) in a wireless communication system. | 12-01-2011 |
20120044796 | METHOD FOR GENERATING SIGNAL PATTERN USING MODULUS OR SEQUENCE, AND DEVICE THEREOF - Disclosed are a method and an apparatus for generating signal patterns used for a transmission/reception process between a terminal and a base station by using a modular sonar sequence. | 02-23-2012 |
20120108254 | REFERENCE SIGNAL ALLOCATION METHOD FOR WIRELESS COMMUNICATION SYSTEM, APPARATUS FOR SAME, AND TRANSCEIVER DEVICE USING THE APPARATUS - Disclosed is a reference signal required for an estimation of a frequency domain channel by a receiver side in order to transmit and receive data between a UE and a BS, and an apparatus and a method for allocating a reference signal for obtaining channel state information. In a wireless communication system including a UE and a BS using multiple antennas, cells are distinguished by applying a CDM, multiple antenna layers are distinguished by using a frequency offset or a time offset, and the reference signal for obtaining the channel state information is allocated to a frame or a subframe. | 05-03-2012 |
20120117135 | METHOD FOR GENERATING A SEQUENCE IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - Disclosed is a method for generating a sequence and an apparatus for the same which can satisfy the number M′ of sequences sufficiently larger than a length N of a sequence required in a wireless communication system. When the generation of a sequence of the wireless communication system is intended, a first sequence is generated from an m | 05-10-2012 |
20120147774 | METHOD AND APPARATUS FOR TRANSMITTING AN UPLINK BROADBAND MEASUREMENT SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR ESTIMATING A DOWNLINK CHANNEL USING SAME - The present specification relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting an uplink broadband measurement signal in a wireless communication system, and to a downlink channel estimation technique using the same. | 06-14-2012 |
20120149297 | METHOD AND SYSTEM FOR TRANSCEIVING GROUP-SPECIFIC INFORMATION IN A COORDINATED MULTI-ANTENNA TRANSCEIVER SYSTEM - The present description relates to a method for transceiving dedicated group-specific information for a coordinated multi-antenna transceiver service in a coordinated multi-antenna transceiver system. The present description relates to a scheme for transmitting an uplink reference signal using group-specific information of user equipment for the thus-configured coordinated multi-antenna transceiver system. Here, the group-specific information is UE-specific in the event the information varies in accordance with a portion of user equipment in a cell or in accordance with the characteristics of user equipment. | 06-14-2012 |
20120165053 | METHOD AND APPARATUS FOR TRANSCEIVING A SIGNAL IN A COMMUNICATION SYSTEM - The present invention relates to a method for measuring the position of user equipment through a reference signal, or pilot, in an orthogonal frequency division multiplexing-based wireless mobile communication system. The present invention relates to a method for transmitting a cell-specific positioning reference signal (PRS) pattern which is a signal pattern used in transceiving between the user equipment and a base station. | 06-28-2012 |
20120195286 | APPARATUS AND METHOD FOR TRANSCEIVING SIGNALS IN A WIRELESS COMMUNICATION SYSTEM - The present specification relates to an apparatus and method for transceiving signals between a terminal and a base station in a wireless communication system. The present specification relates to a signal-transceiving method in which location reference signals discriminated by frequency units for each base station, such that base stations which transmit location reference signals with the same location reference signal pattern can be further discriminated. | 08-02-2012 |
20120213190 | APPARATUS AND METHOD FOR GENERATING AND TRANSCEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM USING PLURAL COMPONENT CARRIERS - The present invention relates to an apparatus and a method for composing and transmitting/receiving a reference signal in a wireless communication system that uses a plurality of component carriers (CC). In a wireless communication system using a plurality of component carriers, the present invention can reduce an increase in cubic metric (CM) and peak to average power ratio (PAPR) which occur in the course of composing and transmitting/receiving the same reference signal for each component carrier, by composing and transceiving a distinctive reference signal for each component carrier. | 08-23-2012 |
20120224556 | METHOD AND DEVICE FOR TRANSMITTING A REFERENCE SIGNAL AND REFERENCE SIGNAL INFORMATION IN A COOPERATIVE MULTI-ANTENNA SENDING AND RECEIVING SYSTEM - Provided are a method and device for transmitting a reference signal and reference signal information in a cooperative multi-antenna sending and receiving system. Disclosed are a transmission method and device for resolving the problem whereby interference can occur between neighboring cells. | 09-06-2012 |
20120275413 | METHOD FOR ALLOCATING AND TRANSMITTING RESOURCES IN A WIRELESS COMMUNICATION SYSTEM, TRANSMITTING APPARATUS FOR SAME, AND RECEIVING APPARATUS CORRESPONDING TO SAME - The present description discloses a method for allocating resources in a wireless communication system, and an apparatus and system for same. | 11-01-2012 |
20120294253 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method for composing, transmitting, and receiving a reference signal in a wireless communication system for performing non-continuous resource allocation on the basis of a plurality of resource clusters is provided. An increase in a Cubic Metric (CM) and a Peak to Average Power Ratio (PAPR) generated in a process for composing, transmitting, and receiving a same reference signal according to each resource cluster by composing, transmitting, and receiving the reference signal distinguishable from each resource cluster in the wireless communication system for performing the non-continuous resource allocation on the basis of the resource clusters may be prevented. | 11-22-2012 |
20120314743 | APPARATUS AND METHOD FOR TRANSMITTING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - The present specification relates to a method/apparatus for extending and transmitting a reference signal, and to a method and apparatus for transmitting a cyclic shift (hereinafter, referred to as CS) parameter. In generating the extended reference signal, the CS is determined as a function for both a basic CS parameter and an extended CS parameter. | 12-13-2012 |
20130034011 | METHOD AND APPARATUS FOR TRANSCEIVING A CYCLIC SHIFT PARAMETER WHICH INDICATES ORTHOGONALITY - An apparatus and method for transceiving a cyclic shift parameter which provides orthogonality includes a base station to transmit a cyclic shift parameter that provides orthogonality, and the method involves determining multiple access states of one or more user equipments (UEs), determining the cyclic shift parameter for calculating information related to the orthogonality, and transmitting the determined cyclic shift parameter to the UE. | 02-07-2013 |
20130114536 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL - A method for transmitting a reference signal includes selecting one of a first initialization value and a second initialization value, generating selection instruction information corresponding to the selected initialization value, transmitting the selection instruction information to a mobile station, generating a reference signal based on the selected initialization value, and transmitting the generated reference signal to the mobile station. A method for estimating a channel includes receiving selection instruction information indicating a selection of at least one of a first initialization value and a second initialization value, receiving a first reference signal based on the selection instruction information, generating a second reference signal based on an initialization value indicated as being selected by the selection instruction information, and estimating a channel state by comparing the first reference signal with the second reference signal. | 05-09-2013 |
20130136100 | APPARATUS AND METHOD FOR TRANSMITTING MUTING INFORMATION, AND APPARATUS AND METHOD FOR ACQUIRING CHANNEL STATE USING SAME - The present disclosure relates to an apparatus and a method for transmitting muting information in a wireless communication system, and to an apparatus and a method for acquiring channel state using same. In an exemplary embodiment, muting information includes: a first data field, having a serving cell for receiving from peripheral cells in a multi-cell environment, at least one of a CSI-RS pattern, the number of CSI-RS antenna ports, a CSI-RS duty cycle, and CSI-RS transmission subframe offset information, and using same for expressing the cycle and the offset of muting subframes, which pertain to information on a resource block that can generate interference between the peripheral cells and CSI-RS; and a second data field for expressing a specific muting pattern, which must be muted within the muting subframes, having either 12 bits or 28 bits that display muting application in a bitmap format. | 05-30-2013 |
20130155992 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING REFERENCE SIGNALS IN ACCORDANCE WITH MIMO OPERATION MODE - The present disclosure relates to a method for transmitting and receiving control information and generating reference signals in accordance with a multiple-input multiple-output (MIMO) operation mode, and a device thereof. A method for receiving control information and generating reference signals in accordance with an MIMO operation mode includes: allowing a user equipment to receive a cyclic shift parameter from a base station; and setting cyclic shift values and OCC values for each layer by using a cyclic shift, an orthogonality allocation rule, and said received cyclic shift parameter, and generating and transmitting reference signals by using said set values. Said cyclic shift is related to the MIMO operation mode of the user equipment and is selected by referring to a parameter transmitted from an upper layer. | 06-20-2013 |
20130294401 | METHOD AND DEVICE FOR MUTING POSITIONING REFERENCE SIGNAL IN HETEROGENEOUS COMMUNICATION ENVIRONMENT AND METHOD AND DEVICE FOR MEASURING POSITION USING SAME - The present invention relates to a method and a device for muting a positioning reference signal (PRS) in a wireless communication system, in particular, a heterogeneous communication system, and to a method for measuring the position of a user equipment using same. In the heterogeneous communication system having one or more macro cells and one or more non-macro cells located inside each of the macro cells, the non-macro cells do not transmit the PRS separately, and do not transmit data but execute muting in a time-frequency resource area where one or more specific macro cells from the macro cells transmit the PRS. The present invention can be used to minimize the influence of interference between base stations of different forms in the heterogeneous communication environment, and promote enhancement of accuracy in measuring the position of the user equipment. | 11-07-2013 |
20130294402 | METHOD AND DEVICE FOR TRANSMITTING/RECEIVING POSITIONING REFERENCE SIGNAL IN HETEROGENEOUS COMMUNICATION SYSTEM - The present invention relates to a method and a device for transmitting/receiving a positioning reference signal (PRS) in a wireless communication system, in particular, a heterogeneous communication system. In the heterogeneous communication system having one or more macro cells and one or more non-macro cells located in each of the macro cells, the non-macro cells or the macro cells transmit the PRS by forming and transmitting respective PRS patterns in a time-frequency resource area that does not duplicate a time-frequency resource area where corresponding macro cells or corresponding non-macro cells transmit the PRS. The present invention can be used to minimize the influence of interference between base stations of different forms in the heterogeneous communication environment, and promote enhancement of accuracy in measuring the position of a user equipment. | 11-07-2013 |
20130322229 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING OF CYCLIC SHIFT PARAMETER FOR SUPPORTING ORTHOGONALITY IN MIMO ENVIRONMENT - A method includes: determining a Cyclic Shift (CS) parameter that implicitly indicates an orthogonality allocation rule and orthogonality-related information, by determining a multiple access state of a User Equipment (UE), and transmitting the determined CS parameter to the UE, wherein the orthogonality-related information includes an Orthogonal Cover Code indicated by the CS parameter, the orthogonality allocation rule is determined as a uniform scheme or a non-uniform scheme according to the CS parameter, determining the CS parameter by which the non-uniform scheme is applied if the UE is in a Single User Multiple Input Multiple Output state, and determining the CS parameter by which the uniform scheme is applied if the UE is in a Multiple User Multiple Input Multiple Output state. | 12-05-2013 |
20140029696 | METHOD AND APPARATUS FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed are an apparatus for Channel State Information-Reference Signal (CSI-RS) allocation and a method for CSI-RS transmission using the same in a wireless communication system. A CSI-RS for each antenna port is allocated to REs or subcarriers on a basis of a symbol or symbol axis in a subframe or Resource Block (RB), and is allocated in such a manner that a distance between neighboring CSI-RS allocation REs or subcarriers may be 3 REs or subcarriers. Accordingly, in the range of following CSI-RS transmission overhead, CSI-RSs are allocated to a time-frequency resource domain in such a manner so as to have perfect orthogonality or quasi-orthogonality according to cells or cell groups. Then, the CSI-RSs, which have been allocated to the time-frequency resource domain, are transmitted. | 01-30-2014 |
20140185577 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR UPLINK CONTROL INFORMATION USING EXTENSION CONTROL INFORMATION - The present disclosure relates to a method and apparatus for allocating resources for uplink control information using extension control information. A method of allocating resources for uplink control information using extension control information, according to an embodiment of the present invention, comprises the following steps: generating extension control information in a data area and transmitting the generated extension control information to a user terminal; and receiving, from the user terminal, uplink control information allocated to a wireless resource area derived from the received extension control information, wherein the wireless resource area derived from the received extension control information does not overlap with a wireless resource area derived from control information in a control area. | 07-03-2014 |
20140241303 | TRANSCEIVING POINT, METHOD FOR SETTING A REFERENCE SIGNAL OF A TRANSCEIVING POINT, TERMINAL, AND METHOD IN WHICH A TERMINAL TRANSMITS A REFERENCE SIGNAL - The present invention relates to a wireless communication system in which a terminal transmits an uplink reference signal. | 08-28-2014 |
20140286304 | APPARATUS AND METHOD FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the present invention relate to a wireless communication system, and more particularly, to a technology for allocating a Channel State Information-Reference Signal (CSI-RS) in a wireless communication system. Embodiments of the present invention provides an apparatus and method for allocating CSI-RSs to resource areas, in which, under the condition of a subframe in which the CP is an extended CP, and the duplex scheme is TDD, if CSI-RSs for maximum 8 antenna ports are allocated, the CSI-RSs are allocated to the 8th and 9th symbols (symbol No. l=7 and 8), wherein each CSI-RS for every two antenna ports is allocated to the same RE while being discriminated from each other by an orthogonal code and neighbor CSI-RS allocated REs in the frequency axis are spaced by an interval of three REs. | 09-25-2014 |
20140355711 | METHOD AND APPARATUS FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed are an apparatus for Channel State Information-Reference Signal (CSI-RS) allocation and a method for CSI-RS transmission using the same in a wireless communication system. A CSI-RS for each antenna port is allocated to REs or subcarriers on a basis of a symbol or symbol axis in a subframe or Resource Block (RB), and is allocated in such a manner that a distance between neighboring CSI-RS allocation REs or subcarriers may be 3 REs or subcarriers. Accordingly, in the range of following CSI-RS transmission overhead, CSI-RSs are allocated to a time-frequency resource domain in such a manner so as to have perfect orthogonality or quasi-orthogonality according to cells or cell groups. Then, the CSI-RSs, which have been allocated to the time-frequency resource domain, are transmitted. | 12-04-2014 |
20150071241 | APPARATUS AND METHOD FOR TRANSMITTING MUTING INFORMATION, AND APPARATUS AND METHOD FOR ACQUIRING CHANNEL STATE USING SAME - The present disclosure relates to an apparatus and a method for transmitting muting information in a wireless communication system, and to an apparatus and a method for acquiring channel state using same. In an exemplary embodiment, muting information includes: a first data field, having a serving cell for receiving from peripheral cells in a multi-cell environment, at least one of a CSI-RS pattern, the number of CSI-RS antenna ports, a CSI-RS duty cycle, and CSI-RS transmission subframe offset information, and using same for expressing the cycle and the offset of muting subframes, which pertain to information on a resource block that can generate interference between the peripheral cells and CSI-RS; and a second data field for expressing a specific muting pattern, which must be muted within the muting subframes, having either 12 bits or 28 bits that display muting application in a bitmap format. | 03-12-2015 |
20150146512 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING OF CYCLIC SHIFT PARAMETER FOR SUPPORTING ORTHOGONALITY IN MIMO ENVIRONMENT - A method includes: determining a Cyclic Shift (CS) parameter that implicitly indicates an orthogonality allocation rule and orthogonality-related information, by determining a multiple access state of a User Equipment (UE), and transmitting the determined CS parameter to the UE, wherein the orthogonality-related information includes an Orthogonal Cover Code indicated by the CS parameter, the orthogonality allocation rule is determined as a uniform scheme or a non-uniform scheme according to the CS parameter, determining the CS parameter by which the non-uniform scheme is applied if the UE is in a Single User Multiple Input Multiple Output state, and determining the CS parameter by which the uniform scheme is applied if the UE is in a Multiple User Multiple Input Multiple Output state. | 05-28-2015 |
20150326363 | APPARATUS AND METHOD FOR TRANSMITTING MUTING INFORMATION, AND APPARATUS AND METHOD FOR ACQUIRING CHANNEL STATE USING SAME - The present disclosure relates to an apparatus and a method for transmitting muting information in a wireless communication system, and to an apparatus and a method for acquiring channel state using same. In an exemplary embodiment, muting information includes: a first data field, having a serving cell for receiving from peripheral cells in a multi-cell environment, at least one of a CSI-RS pattern, the number of CSI-RS antenna ports, a CSI-RS duty cycle, and CSI-RS transmission subframe offset information, and using same for expressing the cycle and the offset of muting subframes, which pertain to information on a resource block that can generate interference between the peripheral cells and CSI-RS; and a second data field for expressing a specific muting pattern, which must be muted within the muting subframes, having either 12 bits or 28 bits that display muting application in a bitmap format. | 11-12-2015 |
20150333945 | APPARATUS AND METHOD FOR TRANSMITTING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - The present specification relates to a method/apparatus for extending and transmitting a reference signal, and to a method and apparatus for transmitting a cyclic shift (hereinafter, referred to as CS) parameter. In generating the extended reference signal, the CS is determined as a function for both a basic CS parameter and an extended CS parameter. | 11-19-2015 |