Patent application number | Description | Published |
20090232163 | METHOD FOR GENERATING SUBFRAME INCLUDING RESOURCE DISTRIBUTION INFORMATION - A method for generating a subframe including resource distribution information is disclosed. The method for generating a subframe includes arranging resource allocation information in a subframe by sequentially allocating a localized permutation and a distributed permutation, and arranging a subframe control header including a resource unit index in a predetermined location by a system parameter, wherein the resource unit index indicates a frequency resource location of the resource allocation information. When both the localized permutation and the distributed permutation are used, a resource distribution method is transmitted to a user equipment. Therefore, an effect of the distributed permutation can be maximized without a great influence on the performance of the localized permutation, and a problem of decoding failure or latency can be prevented. | 09-17-2009 |
20090262848 | METHOD OF DESIGNING A MULTIPLEXING STRUCTURE FOR RESOURCE ALLOCATION TO SUPPORT LEGACY SYSTEM - New multiplexing UL structures for supporting legacy system are provided. A 16m system of diversity mode can be multiplexed with 16e system in PUSC mode in FDM manner with the same tiles/permutation rules. A 16m system can be multiplexed with 16e system in AMC mode in FDM and/or TDM manner. The time length of multiplexed 16e PUSC packets and/or 16m packets can be extended to more than two sub-frames for UL coverage. A PRU for 16m system may consists of 16 sub-carriers by 6 OFDMA symbols, 18 sub-carriers by 6 OFDMA symbols, or 20 sub-carriers by 6 OFDMA symbols when FDM is used. | 10-22-2009 |
20090285168 | METHOD FOR DESIGNING MINI RESOURCE UNIT AND TRANSMISSION FOR A DISTRIBUTED RESOURCE UNIT IN CONSIDERATION OF SPACE FREQUENCY BLOCK CODE - A method and device for wirelessly communicating between a mobile communication terminal and a base station, including exchanging a physical resource unit (PRU) between the base station and the mobile communication terminal, the PRU having a plurality of OFDMA symbols. Each 1 | 11-19-2009 |
20100002787 | WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE TRANSMISSION ANTENNAS USING PILOT SUBCARRIER ALLOCATION - A method for allocating pilot subcarriers in a resource block for a wideband wireless mobile communication system having four (4) transmission antennas using orthogonal frequency division multiplexing (OFDMA) modulation is disclosed. In this method, pilot subcarriers are allocated in the resource block so that a group of consecutive data subcarriers separated from adjacent other group of consecutive data subcarriers by the pilot subcarriers has even number of subcarriers within an OFDMA symbol. | 01-07-2010 |
20100009691 | PERMUTATION DEVICE AND METHOD HAVING IMPROVED RESOURCE GRANULARITY FOR WIRELESS COMMUNICATIONS - A device and method for permuting subcarriers in a subframe which is divided into a plurality of frequency partitions in a wireless mobile communication system is disclosed. The method includes mapping, at a mobile station, physical resource units for localized resource allocation to a frequency partition of the plurality of frequency partitions in units of N_1 number of resource units, and physical resource units for distributed resource allocation to the frequency partition in units of N_d number of resource units, N_1 being different from N_d; and spreading, at the mobile station, subcarriers of the physical resource units for distributed resource allocation across the whole distributed resource allocations. | 01-14-2010 |
20100103894 | METHOD AND APPARATUS FOR MAPPING RESOURCE UNIT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for mapping a resource unit in a wireless communication system is provided. The method includes obtaining a frequency partition (FP) count (FPCT), an size of FPi (FPS) for i>0, and subband (SB) count of FPi (FPSC) for i>0 (where FPi is an i | 04-29-2010 |
20100103895 | METHOD AND APPARATUS FOR MAPPING RESOURCE UNIT IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for mapping a resource unit in a wireless communication system is provided. The method includes obtaining L | 04-29-2010 |
20100103896 | METHOD AND APPARATUS OF SUBCHANNELIZATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus of subchannelization is provided. The method includes receiving information indicating the number of physical resource unit (PRU) sets allocated to a subband from a base station, and mapping PRUs of a physical region to a subband PRU or a miniband PRU in a granularity of the PRU set according to the received information, wherein the subband PRU is allocated with at least one subband comprising a first number of contiguous PRUs, the miniband PRU is allocated with at least one miniband comprising a second number of PRUs, and the PRU set comprises PRUs whose number is equal to the number of PRUs included in one subband. Subchannelization can be effectively achieved while maintaining a frequency selective scheduling gain and a frequency diversity gain to the maximum extent possible. | 04-29-2010 |
20100110874 | METHOD AND APPARATUS FOR TRANSMITTING SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting a signal in a wireless communication system are disclosed. The signal transmission method includes grouping a plurality of subcarriers included in a first Orthogonal Frequency Division Multiple Access (OFDMA) symbol within distributed resources into a plurality of subcarrier groups, each subcarrier group having a predetermined number of subcarriers, distributing the plurality of subcarrier groups of the first OFDMA symbol according to a first permutation pattern, transmitting data in the distributed subcarrier groups of the first OFDMA symbol, grouping a plurality of subcarriers included in a second OFDMA symbol within the distributed resources into a plurality of subcarrier groups, each subcarrier group having a predetermined number of subcarriers, distributing the plurality of subcarrier groups of the second OFDMA symbol according to a second permutation pattern, and transmitting data in the distributed subcarrier groups of the second OFDMA symbol. | 05-06-2010 |
20100111014 | METHOD AND APPARATUS FOR TRANSMITTING SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting a signal in a wireless communication system are disclosed. The signal transmission method includes generating encoded packet data for transmission on an uplink, setting distributed resources in a plurality of contiguous subframes, and transmitting at least part of the encoded packet data through the distributed resources to a base station. The distributed resources are interleaved on a subframe basis according to a permutation pattern and the permutation pattern is different for each subframe. | 05-06-2010 |
20100165935 | METHOD OF MAPPING RESOURCE UNIT IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus of mapping a resource unit is provided. Physical resource units (PRUs) are divided into a plurality of PRU sets. The PRUs are mapped to a subband PRU or a miniband PRU in a granularity of the PRU set. The mapping is based on the greatest common divisor of the maximum number of PRU sets. The resource unit can be effectively mapped while maximizing a frequency diversity gain of a subband PRU and a miniband PRU. | 07-01-2010 |
20100238875 | METHOD FOR TRANSMITTING VOIP PACKET - A method for transmitting a voice over Internet protocol (VoIP) packet includes allocating a radio resource for VoIP packet transmission to a user, transitioning a VoIP service from a talk period, in which the VoIP packet is transmitted using the radio resource, to a silence period in which the VoIP packet is not transmitted, releasing the radio resource during the silence period, and transitioning the VoIP service to the talk period by reallocating the radio resource. Limited radio resources can be further effectively used. | 09-23-2010 |
20100254343 | METHOD FOR TRANSMITTING UPLINK PILOT SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method for transmitting an uplink pilot signal in a wireless communication system is disclosed. The method for transmitting an uplink pilot signal in a wireless communication system includes forming a basic unit including a plurality of pilot Resource Elements (REs) and data REs and having a size of 4 subcarriers×9 Orthogonal Frequency Division Multiple Access (OFDMA) symbols, setting the plurality of pilot REs in the basic unit, and transmitting the basic unit to a base station. Each of the REs is time-frequency resource defined by one symbol index and one subcarrier index. | 10-07-2010 |
20100272037 | METHOD OF TRANSMITTING BROADCASTING INFORMATION - A method of transmitting broadcasting information or system information to user equipments in an idle mode or a sleep mode in a radio access system is disclosed. The method of transmitting broadcasting information to a user equipment in an idle mode includes receiving information related to the idle mode, decoding a control channel assigned to a first paging subframe according to the information related to the idle mode, and receiving the broadcasting information via a second paging subframe indicated by the control channel regardless of the information related to the idle mode, if the decoding of the control channel is successful. | 10-28-2010 |
20100296479 | METHOD FOR SIGNALING UPLINK SYSTEM CONFIGURATION INFORMATION - A method for transmitting system configuration information about uplink multiplexing of a 16m mobile station (MS) and a 16e MS is disclosed. The method comprises transmitting the system configuration information every super frame comprised of a plurality of radio frames. The system configuration information comprises an uplink configuration of time division multiplexing (TDM) and frequency division multiplexing (FDM) of the 16m MS and the 16m MS for each of the plurality of radio frames. | 11-25-2010 |
20100316014 | METHOD OF DESIGNING A MULTIPLEXING STRUCTURE FOR RESOURCE ALLOCATION TO SUPPORT LEGACY SYSTEM - New multiplexing UL structures for supporting legacy system are provided. A 16m system of diversity mode can be multiplexed with 16e system in PUSC mode in FDM manner with the same tiles/permutation rules. A 16m system can be multiplexed with 16e system in AMC mode in FDM and/or TDM manner. The time length of multiplexed 16e PUSC packets and/or 16m packets can be extended to more than two sub-frames for UL coverage. A PRU for 16m system may consists of 16 sub-carriers by 6 OFDM symbols, 18 sub-carriers by 6 OFDM symbols, or 20 sub-carriers by 6 OFDM symbols. | 12-16-2010 |
20100325507 | METHOD FOR TRANSMITTING A DATA BLOCK IN RADIO COMMUNICATION SYSTEM - A method of transmitting a data block in a wireless communication system is provided. The method includes transmitting the data block, receiving hybrid automatic repeat request (HARQ) not-acknowledgement (NACK) for the data block, receiving an automatic repeat request (ARQ) feedback message indicating a reception state of the data block, and determining whether to retransmit the data block by using the ARQ feedback message. | 12-23-2010 |
20100331006 | DOWNLINK LOCALIZED AND DISTRIBUTED MULTIPLEXING IN A FREQUENCY DIVISION MULTIPLEXING MANNER - A method of signaling system configuration information in a wireless mobile cellular communication system is disclosed. The method comprises transmitting the system configuration information at every predetermined period. In this case, each downlink subframe is divided into a plurality of frequency partitions, and subcarriers from at least two of the plurality of frequency partitions are allocated to a first mobile station using distributed resource allocation. | 12-30-2010 |
20110014909 | METHOD OF TRANSMITTING INTERFERENCE INFORMATION SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting an interference information signal in a wireless communication system is provided. The method includes receiving a neighbor sounding signal from a mobile station (MS) in a neighbor cell, obtaining an interference information signal based on the neighbor sounding signal and transmitting the interference information signal to a neighbor base station (BS), the neighbor BS which is a BS in the neighbor cell. | 01-20-2011 |
20110032889 | METHOD FOR PERFORMING RANDOM ACCESS PROCESS IN WIRELESS COMMUNICATION SYSTEM - A method of performing a random access process in a wireless communication system includes transmitting a random access preamble, receiving a random access response including uplink radio resource allocation information for multiple transmission time intervals (TTIs) in response to the random access preamble, transmitting a radio resource control (RRC) connection request message according to the uplink radio resource allocation information, and transmitting a non-access stratum (NAS) service request message according to the uplink radio resource allocation information. | 02-10-2011 |
20110044268 | METHOD FOR DETERMINING CELL IDENTITY IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method of determining a cell identity in a wireless communication system is disclosed. The present invention includes the steps of obtaining a segment ID and a sequence index from an SA-preamble (secondary advanced preamble) sequence received from a base station and determining the cell identity using the segment ID and the sequence index. In this case, the cell identity corresponds to one SA-preamble sequence and a cell identity adjacent to the cell identity corresponds to an SA-preamble sequence having a complex conjugate relation of the one SA-preamble sequence. | 02-24-2011 |
20110051632 | APPARATUS AND METHOD FOR TRANSCEIVING SIGNALS USING FRAME STRUCTURE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transceiving signals using a predetermined frame structure in a wireless communication system is provided. The apparatus includes a Radio Frequency (RF) unit for transceiving a signal through a frame according to the predetermined frame structure. The frame includes 5 subframes, the 5 subframe comprise type-1 subframes including 6 Orthogonal Frequency Division Multiplex Access (OFDMA) symbols and type-2 subframes including 7 OFDMA symbols, and a Cyclic Prefix (CP) length of the frame corresponds to ⅛ of an effective symbol length. | 03-03-2011 |
20110051634 | METHOD OF TRANSMITTING AND RECEIVING CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting and receiving control information in a wireless communication system is disclosed. A method for transmitting control information in procedure of data transmission and reception with FDD (frequency division duplex) scheme by a base station of a wireless communication system supporting a mobile station of a first system and a mobile station of a second system includes transmitting information about a number of orthogonal frequency division multiplexing (OFDM) symbols contained in a downlink zone of a frame of the first system in downlink bandwidth to a mobile station of the first system through a ‘Number of OFDMA symbols’ field of a downlink MAP (DL-MAP); and transmitting information about a number of OFDM symbols contained in an uplink zone of the frame of the first system in uplink bandwidth to the mobile station of the first system through a ‘Number of OFDMA symbols’ field of an uplink MAP (UL-MAP), wherein the mobile station operates with half-FDD (H-FDD), and the downlink zone of the frame of the first system does not overlap with the uplink zone of the frame of the first system in time domain. | 03-03-2011 |
20110051668 | METHOD FOR TRANSMITTING AND RECEIVING PAGING INFORMATION IN A BROADBAND WIRELESS ACCESS SYSTEM - A method for efficiently transmitting and receiving a paging message and system information from and in a mobile station of a broadband wireless access system is disclosed. A method for receiving a paging message in a mobile station comprise receiving paging information from a serving base station, the paging information including paging sub group identifier (paging sub_group ID) indicating a paging sub group to which the mobile station belongs; and receiving the paging message for a predetermined paging interval of the paging sub group, wherein the paging sub group is determined separately from a paging group and a geographical location determining the paging group, and is maintained while the mobile station is being operated in an idle mode. | 03-03-2011 |
20110051827 | METHOD AND APPARATUS FOR TRANSMITTING PILOT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting a pilot in a wireless communication system is provided. A pilot generating unit generates the pilot. A transmission circuitry transmits the pilot and a radio signal. A a processor assigns a first index and a second index to each of a plurality of pilot patterns, determines a selection pilot pattern having a first selection index and a second selection index calculated based on a cell ID, which are respectively identical with the first index and the second index, from among the plurality of pilot patterns, and maps the generated pilot to a resource element based on the selection pilot pattern. | 03-03-2011 |
20110058527 | METHOD AND DEVICE FOR ALLOCATING A BROADCAST CHANNEL IN A WIRELESS MOBILE COMMUNICATION SYSTEM - A method for receiving a superframe header at a mobile station in a wireless mobile communication system is disclosed. The method comprises receiving a sub-frame including the superframe header and a first data channel and decoding the received superframe header. Herein, the superframe header is located within a predetermined physical frequency band and the predetermined physical frequency band includes a synchronization channel. | 03-10-2011 |
20110070821 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL IN RELAY STATION - A method of a Relay Station (RS) transmitting and receiving a signal in a wireless communication system including the RS, comprising receiving frame configuration information about an RS frame from a Base Station (BS), configuring a downlink (DL) access zone in which a signal is transmitted to a relay Mobile Station (MS) connected to the RS and a DL relay zone in which a signal is received from the BS in the RS frame on the basis of the frame configuration information, comparing a time necessary to switch an operation from the DL access zone to the DL relay zone and a propagation delay time taken to receive the signal from the BS, configuring some symbols of the DL access zone or the DL relay zone as a transition time according to a result of the comparison, transmitting the signal to the relay MS in the DL access zone, and receiving the signal from the BS in the DL relay zone. | 03-24-2011 |
20110075621 | METHOD OF ACQUIRING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method of acquiring system information in a wireless communication system includes receiving scheduling system information including scheduling information indicating a start time of dynamic system information, monitoring the dynamic system information from a start time of the dynamic system information according to the scheduling system information, and ending the monitoring of the dynamic system information upon receiving a system information end indicator indicating an end time of the dynamic system information. Since an end time of dynamic system information is indicated, a process of acquiring system information can be further effectively performed. | 03-31-2011 |
20110086645 | METHOD FOR ALLOCATING PREAMBLE SEQUENCE SUBBLOCK FOR SUPPORTING IRREGULAR SYSTEM BANDWIDTH IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method for transmitting a secondary advanced-preamble (SA-preamble) from a base station in a wireless communication system is disclosed, wherein the SA-preamble supporting an irregular system bandwidth. The method comprises allocating a plurality of sequence subblocks corresponding to a regular system bandwidth; configuring the SA-preamble by dropping one or more sequence subblock pairs among the plurality of sequence subblocks symmetrically in base of a DC component; and transmitting the SA-preamble to a mobile station, wherein a bandwidth of the SA-preamble is same as or narrower than the irregular system bandwidth. | 04-14-2011 |
20110096715 | METHOD FOR TRANSMITTING A SIGNAL USING A RELAY STATION IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting a signal using a relay station is disclosed. In a wireless communication system, the present invention includes the steps of enabling the relay station to receive the signal via a relay interval in a downlink interval using a first wireless communication scheme and a second wireless communication scheme in common from a base station and enabling the relay station to transmit the received signal to a first terminal using the first wireless communications scheme via a first downlink interval in the downlink interval or to a second terminal using the second wireless communication scheme via a second downlink interval. | 04-28-2011 |
20110103218 | METHOD AND APPARATUS OF DOWNLINK SUBCHANNELIZATION IN WIRELESS COMMUNICATION SYSTEM - A method of downlink subchannelization in a wireless communication system includes: transmitting a network entry and network discovery information including an open loop (OL) region parameter; and mapping a physical resource unit (PRU) to a contiguous resource unit (CRU) or a distributed resource unit (DRU) with respect to ith frequency partition based on the OL region parameter, wherein a permutation sequence used for mapping a PRU of the ith frequency partition (PRU | 05-05-2011 |
20110111789 | APPARATUS AND METHOD FOR CONTROLLING TRANSMISSION POWER IN A WIRELESS COMMUNICATION SYSTEM USING FRACTIONAL FREQUENCY REUSE - A method for acquiring FFR power pattern of Frequency Partitions (FPs) at a mobile station (MS) in a wireless communication system using Fractional Frequency Reuse (FFR) is disclosed. The method includes receiving a preamble from a base station (BS); and acquiring a FFR power pattern for a reuse-1 partition and reuse-N partitions using the received preamble, wherein the FFR power pattern is determined based on a segment identifier (ID), the reuse-N partitions include N frequency partitions, each frequency partition has a power level with a range of FP1_power level to FPN_power level, a power-boosted FP in the reuse-N partitions is a partition whose power level is the FP1_power level. | 05-12-2011 |
20110151870 | METHOD FOR PARTITIONING CELL IDENTITIES ACCORDING TO CELL TYPE IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method of transmitting a cell type information, which is transmitted by a base station in a wireless communication system, is disclosed. The present invention includes broadcasting a boundary point information (Z) between a cell identity of a public ABS (advanced base station) and a cell identity of a private ABS via an S-SFH SP3 (secondary-super frame header subpacket3). In this case, the boundary point information (Z) is a range information of cell identity partitions partitioned by granularity of 10 sequences or 20 sequences per segment and a total number of the cell identity partitions is 16. Further, the range information of cell identity partitions includes information that all cell identities are cell identities of the private ABS or information that all cell identities are cell identities of the public ABS except for cell identities of a macro ABS. | 06-23-2011 |
20110223953 | APPARATUS FOR DIRECT COMMUNICATION IN A WIRELESS SYSTEM AND METHOD THEREOF - An apparatus for direct communication in a wireless communication system and method thereof are disclosed, by which a communication is efficiently enabled with a low power. In performing a direct communication in a first terminal of a wireless communication system, the present invention includes receiving a resource allocation information on a resource allocated to the direct communication from a base station and performing the direct communication with a second terminal using the allocated resource. In this case, the allocated resource is defined in either an uplink resource region of the base station or a downlink resource region of the base station and the allocated resource is divided into a transmission region for the direct communication and a receipt region for the direct communication. | 09-15-2011 |
20110317610 | DATA-RECEIVING METHOD AND APPARATUS FOR RELAY STATION IN WIRELESS COMMUNICATION SYSTEM - A method for receiving data by a relay station (RS) in a wireless communication system includes: receiving radio resource allocation information via an R-PDCCH (R-Physical Downlink Control Channel); and receiving data from a base station (BS) via an R-PDSCH (R-Physical Downlink Shared Channel) indicated by the radio resource allocation information, wherein the radio resource allocation information includes information regarding an allocation of resource blocks in a frequency domain and information regarding an allocation of OFDM symbols in a time domain. Since the radio resource allocation information providing information regarding a time relationship between a control channel transmitted by the BS to a UE and a control channel transmitted by the RS to a UE connected to the RS is provided, the RS can reliably receive a signal transmitted from the BS in a backhaul link between the BS and the RS in a wireless communication system including the RS. | 12-29-2011 |
20110317619 | METHOD AND APPARATUS FOR RELAYING DATA IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of relaying data in a wireless communication system is provided. A relay station (RS) receives relay zone allocation information. A plurality of relay zones is allocated in a resource region by the relay zone allocation information. The relay station receives data transmitted from a super-ordinate station, detects a tunneling traffic destined to a subordinate station from the data, and transmits the tunneling traffic to the subordinate station. The tunneling traffic is transmitted over one of the plurality of relay zones. | 12-29-2011 |
20120020323 | METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of transmitting a reference signal in a wireless communication system is provided. Demodulation Reference Signals (DMRSs) for a plurality of respective antennas is generated. The DMRSs are mapped to a resource region, and transmitted through the respective corresponding antennas. The DMRSs are multiplexed using at least one of frequency division multiplexing (FDM), code division multiplexing (CDM), and time division multiplexing (TDM) methods and mapped in the resource region. Also, a position of an orthogonal frequency division multiplexing (OFDM) symbol to which the DMRSs are mapped in the resource region is an OFDM symbol to which a physical downlink control channel (PDCCH) and a legacy cell-specific reference signal (CRS) are not mapped. | 01-26-2012 |
20120033647 | METHOD FOR SETTING UP CARRIER IN CARRIER AGGREGATION SYSTEM AND APPARATUS REQUIRED FOR SAME - The present invention relates to a wireless communication system. Specifically, the invention relates to a method for configuring a component carrier at a base station in a wireless communication system, comprising the steps of determining whether initial access is permitted to a user equipment with respect to a downlink component carrier; and transmitting a synchronization channel signal and a broadcast channel signal to at least one user equipment via the downlink component carrier, wherein the initial access permission is applied to said at least one user equipment by modifying at least one of the synchronization channel signal and the broadcast channel signal. | 02-09-2012 |
20120039221 | METHOD FOR TRANSMITTING SIGNAL USING A FRAME OF A PREDETERMINED CYCLIC PREFIX LENGTH IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting a signal using a frame having a predetermined cyclic prefix (CP) in a wireless communication system is disclosed. The method for transmitting a signal using a frame having a predetermined cyclic prefix (CP) length in a wireless communication system that supports a plurality of cells comprises receiving the signal using a first frame from a base station; and transmitting the signal to the base station using the first frame, wherein the first frame is supported by a first cell of the plurality of cells and is different from a second frame supported by a second cell of the plurality of cells, the first frame has a structure where a overlap region between an uplink region of the first frame and a downlink region of the second frame or an overlap region between a downlink region of the first frame and an uplink region of the second frame is punctured, and a CP length of the first frame is different from that of the second frame. | 02-16-2012 |
20120039291 | METHOD FOR TRANSMITTING A CONTROL SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - The present invention discloses a method in which a terminal transmits an acknowledgement/negative acknowledgement (ACK/NACK) signal in a wireless communication system. In detail, the comprises the steps of allocating a first control channel resource to the ACK/NACK signal and a second control channel resource to a channel quality information (CQI) signal, determining the transmission power of the first control channel resource and the transmission power of the second control channel resource in accordance with a preset priority, and transmitting the ACK/NACK signal and the CQI signal to a base station using the control channel resources and the transmission powers corresponding thereto. | 02-16-2012 |
20120063324 | DEVICE AND METHOD FOR MONITORING THE CONTROL CHANNEL IN A MULTICARRIER SYSTEM - The present invention relates to a method and device for monitoring the control channel in a multicarrier system. Each of a plurality of sub-search spaces corresponds to each of a plurality of scheduled component carriers. The terminal monitors a downlink control channel for a scheduled component carrier corresponding to each of the plurality of sub-search spaces. Each of the plurality of sub-search spaces is defined displaced to the extent that they are offset from each other. | 03-15-2012 |
20120063349 | APPARATUS AND METHOD FOR MONITORING CONTROL CHANNEL IN MULTI-CARRIER SYSTEM - Provided are an apparatus and a method for monitoring a control channel in a multiple-carrier system. The user equipment monitors downlink control channels for a plurality of scheduled component carriers in an extended search space. The user equipment receives downlink control information for the scheduled component carrier via a successfully decoded downlink control channel. | 03-15-2012 |
20120063350 | APPARATUS AND METHOD FOR MONITORING CONTROL CHANNEL IN MULTI-CARRIER SYSTEM - Provided are an apparatus and a method for monitoring a control channel in a multi-carrier system. A plurality of sub-search spaces within an extended search space corresponds to a plurality of scheduled component carriers, respectively. Each of the plurality of sub-search spaces includes a plurality of control channel elements (CCEs), and the CCEs of the plurality of sub-search spaces are interleaved with each another within the extended search space. | 03-15-2012 |
20120063351 | DEVICE AND METHOD FOR MONITORING THE CONTROL CHANNEL IN A MULTICARRIER SYSTEM - The present invention relates to a method and device for monitoring the control channel in a multiple carrier system. A terminal determines an extended search space comprising a plurality of sub-search spaces, and each of the plurality of sub-search spaces corresponds to at least one of a plurality of scheduled component carriers. The terminal monitors a downlink control channel for the scheduled component carrier corresponding to each of the plurality of sub-search spaces. At least one of the plurality of sub-search spaces is a shared sub-search space corresponding to at least two of the plurality of scheduled component carriers. | 03-15-2012 |
20120078933 | DEVICE AND METHOD FOR MONITORING CONTROL CHANNEL IN MULTICARRIER SYSTEM - Provided are a method and a device for monitoring the control channel in a multicarrier system. The terminal determines a plurality of terminal-specific search spaces corresponding respectively to a plurality of scheduled component carriers in a control region within a subframe. The terminal monitors a downlink control channel for the scheduled component carriers corresponding respectively to the plurality of terminal-specific search spaces. | 03-29-2012 |
20120093080 | METHOD FOR TRANSMITTING AND RECEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting and receiving data in a wireless communication system is disclosed. In the method of transmitting the data in the wireless communication system, a base station transmits downlink data to a first terminal supporting a first system through a first zone of a frame, and transmits downlink data to a second terminal supporting a second system through a second zone located at a location separated from the first zone backwardly by a frame offset on a time axis. The wireless communication system may support a bandwidth of 8.75 MHz, the frame offset is an offset between a start point of a frame for the first system and a start point of a frame for the second system, and the first zone includes 3+6*(frame offset−1) Orthogonal Frequency Division Multiplexing (OFDM) symbols. | 04-19-2012 |
20120093119 | METHOD AND APPARATUS FOR TRANSMITTING SOUNDING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - The present invention provides a method and an apparatus for transmitting a sounding reference signal. A terminal receives from a base station a sounding reference signal (SRS) configuration that includes a cell specific SRS configuration and a terminal specific SRS configuration, via a downlink carrier. The terminal then transmits a sounding reference signal based on the SRS configuration via an uplink carrier that is linked to the downlink carrier. | 04-19-2012 |
20120106534 | WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE TRANSMISSION ANTENNAS USING PILOT SUBCARRIER ALLOCATION - A method for allocating pilot subcarriers in a resource block for a wideband wireless mobile communication system using an orthogonal frequency division multiplexing (OFDMA) modulation is discussed. In this method, pilot subcarriers are allocated in the resource block so that a group of consecutive data subcarriers separated from adjacent other group of consecutive data subcarriers by the pilot subcarriers has even number of subcarriers within an OFDMA symbol. | 05-03-2012 |
20120127897 | METHOD FOR RETRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method for retransmitting data in wireless communication system is disclosed. MS can receive a NACK (Not-Acknowledge) signal from a base station (BS) through a specific downlink subframe of a specific frame in a first superframe, and the MS can retransmits the data using a second uplink subframe in a first frame in a second superframe subsequent to a first superframe. In this case, a index of the second uplink subframe may be 1. The wireless communication system can support the Half-Frequency Division Duplex (H-FDD) scheme. A first uplink subframe in the first frame of the second superframe can be punctured. | 05-24-2012 |
20120155312 | Measurement Reporting Method And Device In A Wireless Communication System - Provided are a measurement reporting method and device in a wireless communications system. A mobile station receives data relating to a measurement set for K (M≦N) component carriers to be measured from among N component carriers, from a base station. The mobile station measures the K component carriers. The mobile station then reports the results of the measurement of the K component carriers to the base station. | 06-21-2012 |
20120155338 | METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN TIME DIVISION DUPLEX SYSTEM - A method and apparatus of transmitting a reference signal in a time division duplex (TDD) system is provided. A base station (BS) generates a plurality of demodulation reference signals (DMRSs) for respective layers, maps the plurality of DMRSs to a downlink pilot time slot (DwPTS) region for downlink transmission within a special subframe; and transmits the plurality of DMRSs through a plurality of antennas. The special subframe is a subframe for separating uplink and downlink between an uplink (UL) subframe and a downlink (DL) subframe within a frame. | 06-21-2012 |
20120157117 | METHOD AND APPARATUS FOR TRANSMITTING A SIGNAL FOR A LOCATION BASED-SERVICE IN A WIRELESS COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR LOCATING A TERMINAL THAT USES THE SIGNAL - The present invention relates to a wireless communication system. In particular, for the transmission of a locating zone configured across one or more superframes for transmitting a locating synchronizing signal for determining the location of a terminal in a wireless communication system, the wireless communication system of the present invention transmits, to a terminal, a superframe header including information indicating whether or not to transmit the locating zone. Thus, the terminal can discern a terminal belonging to the location zone form among superframes received by the terminal. | 06-21-2012 |
20120157155 | UL FFR-BASED SIGNAL TRANSMISSION METHOD - The present invention relates to a method for transmitting control information in a multi-cell based mobile communication system, the method comprising: extracting information on a fractional frequency reuse (FFR) pattern that represents whether terminal transmission power for a plurality of frequency resource groups is boosted to apply uplink fractional frequency reuse (UL FFR) to a particular cell; and broadcasting power control information that is configured separately by each of the plurality of frequency resource groups based on the extracted FFR pattern. | 06-21-2012 |
20120170506 | METHOD AND APPARATUS FOR TRANSMITTING FRAME IN WIRELESS COMMUNICATION SYSTEM INCLUDING RELAY STATION - Provided are a method and an apparatus for transmitting a frame in a wireless communication system including a relay station. A base station sets a frame including a downlink (DL) access zone for transmitting a signal to the relay station and a DL relay zone for transmitting the signal to the relay station or a terminal, and transmits the frame. The DL access zone comprises a multiple-input multiple-output (MIMO) midamble for the terminal and the DL relay zone comprises an R-amble as an additional MIMO midamble. | 07-05-2012 |
20120190381 | METHOD AND AN APPARATUS FOR TRANSMITTING SIGNALS FOR LOCATION BASED SERVICE, AND A METHOD AND AN APPARATUS FOR MEASURING LOCATION RELATED INFORMATION BASED ON THE SIGNALS - A wireless communication system is disclosed. The wireless communication system transmits a location measure signal for determining a location of a user equipment to the user equipment by allocating the location measure signal to at least one of symbols to which a synchronization signal is transmitted conventionally. In this case, a location related parameter of the user equipment can be measured with higher accuracy. | 07-26-2012 |
20120207081 | METHOD AND APPARATUS FOR ALLOCATING WIRELESS RESOURCE IN WIRELESS COMMUNICATION SYSTEM INCLUDING RELAY STATION - Provided are a method and an apparatus for allocating a wireless resource in a wireless communication system including a relay station. A sub-channelization parameter for a relay zone is transmitted and a wireless resource is allocated to a relay station on the basis of the sub-channelization parameter. The relay zone is the zone for transmitting a signal from a base station to the relay station or receiving the signal from the relay station within a frame and the wireless resource allocated in the relay station is the remaining physical resource units (PRUs) except the PRUs allocated in a distributed resource unit (DRU). | 08-16-2012 |
20120213147 | REFERENCE SIGNAL TRANSMISSION METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM INCLUDING RELAY STATION - The present invention provides a reference signal transmission method and apparatus by a base station in a wireless communication system including a relay station. The base station generates a plurality of relay-physical downlink control channel (R-PDCCH) reference signals for the demodulation of an R-PDCCH which is a control channel for the relay station relative to each of a plurality of layers, maps the plurality of R-PDCCH reference signals with R-PDCCH regions included in a relay zone within at least one resource block according to a predetermined reference signal pattern, and transmits at least one resource block through a plurality of antenna ports. | 08-23-2012 |
20120218923 | APPARATUS FOR TRANSMITTING AND RECEIVING DOWNLINK HARQ FEEDBACK AND ITS METHOD - A terminal unit for receiving a hybrid automatic retransmission request (HARQ) feedback using a frequency division duplex (FDD) frame comprises: a receiver, which receives an uplink assignment information element (A-MAP IE) for allocating each uplink through each downlink subframe of a first frame from a base station; a processor, which performs a process for transmitting uplink data that corresponds to the received A-MAP IE for allocating each uplink for a predetermined processing time: a transmitter, which transmits the processed uplink data to the base station from the respective downlink subframes having received the A-MAP IE for allocating each uplink, through each corresponding uplink subframe, after the predetermined processing time has lapsed; and a receiver, which receives, from the base station, the downlink HARQ feedback for each uplink data through each uplink subframe that has, in a third frame, the same index as the index of each downlink subframe where the A-MAP IE for allocating each uplink has been transmitted, wherein the frame is composed of 5, 6 or 7 subframes. | 08-30-2012 |
20120224535 | TERMINAL DEVICE FOR TRANSMITTING A POWER HEADROOM REPORT IN A MULTI-CARRIER COMMUNICATION SYSTEM, AND METHOD FOR SAME - Disclosed is a terminal device for transmitting a power headroom report (PHR) in a multi-carrier communication system, and a method for same. The terminal device for transmitting a power headroom report (PHR) in a multi-carrier communication system comprises a transmitter and a processor. The transmitter transmits, to a base station, a power headroom report for one or more active component carriers allocated to user equipment from among multiple carriers. The processor controls the transmitter such that the transmitter transmits the power headroom report including a first type of power headroom information calculated using the power value of a physical uplink shared channel (PUSCH) of the main component carrier among the active component carriers, and a second type of power headroom information calculated using the power value of the PUSCH and the power value of a physical uplink control channel (PUCCH) of the main component carrier. | 09-06-2012 |
20120224553 | APPARATUS AND METHOD FOR TRANSCEIVING UPLINK TRANSMISSION POWER CONTROL INFORMATION IN A MULTI-CARRIER COMMUNICATION SYSTEM - Disclosed are an apparatus and method for transceiving uplink transmission power control information in a multi-carrier communication system. As an LTE-A system employs multiple carriers, overhead may increase since a base station performs signaling in consideration of a carrier index, a TPC command index, etc. However, according to various embodiments of the present invention, overhead for signaling a TPC command and the like can be significantly reduced. | 09-06-2012 |
20120230231 | METHOD IN WHICH A MOBILE TERMINAL TRANSMITS/RECEIVES A SIGNAL USING A PREDETERMINED TDD FRAME STRUCTURE IN A WIRELESS COMMUNICATION SYSTEM - The mobile station for transceiving signals using a predetermined time division duplex (TDD) frame structure in a wireless communication system includes a receiver for receiving a midamble from a base station (BS), and a relay station (RS). The receiver receives, from the BS, a first midamble through a second subframe of a downlink access zone of the BS and/or through a first subframe of a downlink relay zone that follows the downlink access zone. Alternatively, the receiver receives, from the RS, a second midamble through a second subframe of a downlink access zone of the RS. A transition gap in a downlink region is located in the last subframe of the downlink access zone of the RS, which follows the downlink access zone of the RS, and a transition gap in an uplink region is located in a first subframe of an uplink relay zone of the RS. | 09-13-2012 |
20120230239 | TERMINAL DEVICE FOR RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM FOR SUPPORTING A PLURALITY OF COMPONENT CARRIERS AND METHOD THEREOF - Disclosed are a terminal device for receiving a signal in a wireless communication system for supporting a plurality of component carriers and a method thereof. In the terminal device for receiving the signal in the system for supporting the component carriers, a receiver receives a Physical Downlink Control Channel (PDCCH) including control information of a first type component carrier from a base station or a relay. A processor performs a decoding operation or controls an operation in a slip mode on the basis of control information included in a PDCCH in a second type component carrier after a time corresponding to a particular time offset value passes from a transmission time point of the PDCCH. | 09-13-2012 |
20120275370 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR ENHANCED MULTICAST BROADCAST SERVICE DATA IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and apparatus for allocating resources for enhanced multicast broadcast service (E-MBS) data in a wireless communication system. A base station divides a frequency region into at least one frequency partition and allocates subbands of K | 11-01-2012 |
20120294247 | METHOD AND A USER EQUIPMENT FOR TRANSMITTING A SIGNAL, AND A METHOD AND A BASE STATION FOR RECEIVING A SIGNAL - A method for transmitting or receiving an uplink signal is disclosed. If a user equipment is connected to a base station in accordance with a legacy system support mode, it performs permutation for an uplink signal on a frequency axis in accordance with a first rule. If the user equipment is connected to the base station in accordance with a legacy system non-support mode, it performs permutation for the uplink signal on the frequency axis in accordance with a second rule. Cell ID corresponding to a secondary advanced preamble (SA-preamble) received from the base station is used for permutation based on the first rule and/or the second rule. | 11-22-2012 |
20120300666 | COORDINATED COMMUNICATION METHOD USING MULTIPLE TERMINALS - A method of performing coordinated communication by a relay station is provided. The method includes: receiving a signal from a terminal; measuring channel state information (CSI) indicating a state of a channel which receives the signal; comparing the CSI with a predetermined threshold to determine whether to decode the received signal; and if it is determined to decode the received signal, removing noise by decoding the received signal, and then performing decode and forward (DAF) in which the signal is re-encoded and transmitted to a base station, and if it is determined not to decode the received signal, performing amplify and forward (AAF) in which the received signal is amplified and forwarded to the base station. The CSI may be at least one of a frame error rate (FER), a bit error rate (BER), a signal to noise ratio (SNR), and a signal to interference plus noise ratio (SINR). Accordingly, a time delay consumed for channel decoding in hybrid DAF coordinated communication can be decreased, data transmission and resource usage can be more effectively achieved in coordinated communication using multiple terminals, and unnecessary power consumption can be decreased. | 11-29-2012 |
20120300719 | METHOD FOR CONFIGURING SUBCHANNELS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method for configuring subchannels for an uplink data transmission at a base station in a wireless communication system is disclosed herein. More specifically, the method includes the steps of dividing an uplink transmission resource to PUSC (Partial Usage of SubChannel) tiles of 4 subcarriers×3 symbols, configuring subchannels to 6 PUSC tiles based on a predetermined rule; allocating a predetermined number of contiguous subchannels among the configured subchannels as subchannels for a legacy system, and allocating the remaining subchannels as subchannels for the wireless communication system, wherein a subchannel rotation per slot consisting of 3 symbols is applied to the subchannels for the legacy system, and wherein the subchannel rotation per slot is based on a number of subchannels for the legacy system. | 11-29-2012 |
20120300727 | USER EQUIPMENT THAT TRANSMITS AN UPLINK SIGNAL IN A MULTI-CARRIER SUPPORTING MOBILE COMMUNICATION SYSTEM AND A METHOD THEREFOR - The present invention provides user equipment that transmits an uplink signal in a multi-carrier supporting mobile communication system and a method therefor, and a base station device that transmits uplink transmission power information and a method therefor. In the user equipment according to the present invention, a receiving antenna receives uplink transmission power information on a particular uplink carrier from the base station via a plurality of downlink carriers. A processor determines the transmission power of a signal to be transmitted via the particular uplink carrier, based on the uplink transmission power information that has been received. A receiving antenna then transmits the signal via an uplink carrier at the transmission power determined by the processor. | 11-29-2012 |
20120319874 | METHOD FOR GENERATING CODEWORDS - Provided is a method for generating codewords. The method comprises the following steps: receiving an information bit; generating a generating matrix in which a size of a column is identical with a length of the information bit, a size of a row is 24 rows, and values of symbols that are elements of the matrix are 0 or 1; modifying the generating matrix by dividing the generated generating matrix into an upper group and a lower group having an identical size and replacing rows so that the number of symbols having a value of 1 in the upper group is identical with the number of symbols having a value of 1 in the lower group; and obtaining inner products from the information bit and each row of the modified generating matrix and generating codewords from remainders obtained by dividing the inner products by 2. | 12-20-2012 |
20120320845 | METHOD FOR TRANSMITTING UPLINK SIGNAL FOR LOCATION-BASED SERVICE AND USER DEVICE, AND METHOD FOR MEASURING LOCATION OF USER DEVICE USING UPLINK SIGNAL AND BASE STATION - In the present invention, an uplink synchronization signal for measuring a location of a user device is assigned to a predetermined uplink sub-frame and a predetermined sub-band and is transmitted to one or adjacent cells as well as a serving cell in a predetermined period. Since the synchronization signal for measuring the location is transmitted to a plurality of cells through the same wireless resource, other date are not transmitted to the same wireless resource and a near-far effect can be reduced in each cell. | 12-20-2012 |
20120320951 | METHOD AND DEVICE FOR TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream. | 12-20-2012 |
20120327855 | METHOD FOR PROCESSING SIGNALS RECEIVED FROM A TRANSMISSION DEVICE IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides a method for reducing consumption of resources due to blind decoding when UE (User Equipment) carries out control and data communication with reference to specific embodiments. For example, a communication method according to an embodiment of the present invention can reduce resource consumption of UE by reducing the number of blind decoding according to the information obtained by the UE. In other words, a communication method and apparatus according to one embodiment of the present invention reduces blind decoding of a control channel for control and data communication based on information obtained by UE. | 12-27-2012 |
20120327896 | METHOD AND APPARATUS FOR COMMUNICATION WITH A NETWORK IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for performing communications by adjusting a resource unit. Efficient allocation of resource units can minimize power consumption. The minimization of power consumption brings about great advantages to M2M (machine-to-machine) communication. A terminal can transmit or receive data via different resource units. In this case, the resource units can be determined by MS. That is, some MS may use a particular resource unit, while the others may use a different resource unit. When different resource units are given, corresponding radio resource regions are also determined differently from one another. However, the total number of tones corresponding to the resource units may be the same. | 12-27-2012 |
20130003690 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - Disclosed are an apparatus and method for transceiving control information. A base station device which transmits control information according to the present invention has a transmitting antenna which transmits second control information containing information on the resource size of the first control information for uplink power control, to user equipment. A processor determines the resource size of the first control information using the number of uplink subframes and downlink subframes available in one frame, the number of fast feedback channels (FFBCHs), and ceil function. | 01-03-2013 |
20130010684 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING CONTROL INFORAMTION IN A WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS CARRIER AGGREGATION - Disclosed are an apparatus and method for transmitting/receiving control information in a wireless communication system that supports carrier aggregation. According to the present invention, a processor of a base station device that transmits control information configures a component carrier type for each of a plurality of downlink component carriers (DL CCs) in accordance with whether or not each of the plurality of DL CCs can support a relay PDCCH (R-PDCCH), which is a downlink control channel dedicated to a relay node. A transmitting antenna transmits information on the type of each of the configured DL Cs to the relay node. | 01-10-2013 |
20130029675 | METHOD AND APPARATUS FOR DIRECT COMMUNICATIONS IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for direction communications in a wireless communication system. In the direct communication support method of a wireless communication system, according to one embodiment of the present invention, when a base station receives a direct communication request message from a first terminal to request a direct communication with a second terminal without going through the base station, the base station then allocates resources to be used for the direct communication and transmits resource allocation information to the first and second terminals. | 01-31-2013 |
20130029713 | COMMUNICATION METHOD BETWEEN TERMINALS, AND TERMINAL - According to the present invention, a source MS, determining initiation of M2M communication or receiving a request for initiating M2M communication from a BS, receives a reference signal for channel quality measurement of a neighboring MS, and the channel quality of the source MS and the neighboring MS is measured by using the reference signal; and information representing the channel quality is transmitted to the BS. Or, the neighboring MS receives a reference signal for channel quality measurement transmitted by the source MS, a channel quality of the source MS and the neighboring MS is measured by using the reference signal, and information representing the channel quality is transmitted to the BS. The BS determines a partner MS for M2M communication with the MS on the basis of a channel quality between the source MS and the neighboring MS. | 01-31-2013 |
20130064199 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING UPLINK POWER CONTROL INFORMATION - Disclosed are an apparatus and method for transmitting or receiving uplink power control information. According to the present invention, a transmitting antenna of a base station device transmits, to a terminal, a first message containing first information on the interference and noise levels of frequency partitions to which an uplink data channel and an uplink control channel are allocated. Here, the uplink data channel and the uplink control channel are allocated to different frequency partitions. The transmitting antenna can further transmit, to the terminal, information on frequency partitions to which the uplink data channel and the uplink control channel are allocated. | 03-14-2013 |
20130077594 | COMMUNICATION METHOD AND COMMUNICATION APPARATUS FOR MTC IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a communication method for machine type communication (MTC) in a wireless communication system. An MTC device transmits subscription information for indicating MTC subscribers to a base station, and receives a group identifier for indicating an MTC group to which the MTC device belongs, from the base station. The MTC device receives, from the base station, resource allocation information on a control channel based on the group identifier. | 03-28-2013 |
20130107848 | METHOD AND APPARATUS FOR PERFORMING CLIENT COOPERATION TRANSMISSION THROUGH A GROUP RESOURCE ALLOCATION SCHEME IN A WIRELESS ACCESS SYSTEM | 05-02-2013 |
20130128842 | PERMUTATION DEVICE AND METHOD HAVING IMPROVED RESOURCE GRANULARITY FOR WIRELESS COMMUNICATIONS - A device and method for permuting subcarriers in a subframe which is divided into a plurality of frequency partitions in a wireless mobile communication system is disclosed. The method includes mapping, at a mobile station, physical resource units for localized resource allocation to a frequency partition of the plurality of frequency partitions in units of N_1 number of resource units, and physical resource units for distributed resource allocation to the frequency partition in units of N_d number of resource units, N_1 being different from N_d; and spreading, at the mobile station, subcarriers of the physical resource units for distributed resource allocation across the whole distributed resource allocations. | 05-23-2013 |
20130130702 | METHOD AND APPARATUS FOR DETECTING A SEGMENT IDENTIFIER IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a segment identifier detection method performed by a terminal if a segment being administrated by a base station in a wireless communication system has the frequency reuse factor of 3 and 2 at the same time. In particular, the method comprises: acquiring a cell identifier and a segment identifier corresponding to the cell identifier from a secondary advanced preamble (SA-preamble) that has been received from the base station; determining a frequency reuse factor of the base station; and if the frequency reuse factor is 2 and the obtained segment identifier is a third segment identifier, transforming the segment identifier corresponding to the cell identifier into a first segment identifier or a second segment identifier. | 05-23-2013 |
20130139020 | METHOD OF TRANSMITTING DATA USING CONSTELLATION REARRANGEMENT - A data retransmission method using hybrid automatic repeat request (harq) includes transmitting a data block, receiving a retransmission request signal for the data block, generating a retransmission block by performing swapping or inversion between bits constituting the data block according to the retransmission request signal, and transmitting the retransmission block. | 05-30-2013 |
20130176995 | METHOD AND DEVICE FOR ALLOCATING WIRELESS RESOURCES FOR A MACHINE TYPE COMMUNICATION DEVICE IN A WIRELESS COMMUNICATION SYSTEM - Provided are a method and device for allocating wireless resources in a wireless communication system. The wireless resource allocating method comprises allocating a machine type communication (MTC)-dedicated wireless resource and a general wireless resource, and communicating with at least one MTC device through the MTC-dedicated wireless resource. Herein, the MTC-dedicated wireless resource supports only the communication with the at least one MTC device, and the MTC-dedicated wireless resource and the general wireless resource may be different from each other. | 07-11-2013 |
20130244651 | METHOD FOR PARTITIONING CELL IDENTITIES ACCORDING TO CELL TYPE IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method of transmitting a cell type information, which is transmitted by a base station in a wireless communication system, is disclosed. The present invention includes broadcasting a boundary point information (Z) between a cell identity of a public ABS (advanced base station) and a cell identity of a private ABS via an S-SFH SP3 (secondary-super frame header subpacket3). In this case, the boundary point information (Z) is a range information of cell identity partitions partitioned by granularity of 10 sequences or 20 sequences per segment and a total number of the cell identity partitions is 16. Further, the range information of cell identity partitions includes information that all cell identities are cell identities of the private ABS or information that all cell identities are cell identities of the public ABS except for cell identities of a macro ABS. | 09-19-2013 |
20130272174 | METHOD AND DEVICE FOR CONFIGURING FRAMES FOR DEVICE COOPERATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a method and a device for transmitting uplink (UL) data in a wireless communication system. A cooperative device receives said UL data from a source device through a listening interval which is set within a TDD frame of said cooperative device, and transmits said UL data received from said source device to a base station through a UL subframe within the TDD frame of said cooperative device. At this time, said listening interval is overlapped with the UL subframe within the TDD frame of said source device. | 10-17-2013 |
20130308584 | METHOD AND APPARATUS OF DOWNLINK SUBCHANNELIZATION IN WIRELESS COMMUNICATION SYSTEM - A method of downlink subchannelization in a wireless communication system includes: transmitting a network entry and network discovery information including an open loop (OL) region parameter; and mapping a physical resource unit (PRU) to a contiguous resource unit (CRU) or a distributed resource unit (DRU) with respect to ith frequency partition based on the OL region parameter, wherein a permutation sequence used for mapping a PRU of the ith frequency partition (PRU | 11-21-2013 |
20140016605 | METHOD AND DEVICE FOR ALLOCATING A BROADCAST CHANNEL IN A WIRELESS MOBILE COMMUNICATION SYSTEM - A method for receiving a superframe header at a mobile station in a wireless mobile communication system is disclosed. The method comprises receiving a sub-frame including the superframe header and a first data channel and decoding the received superframe header. Herein, the superframe header is located within a predetermined physical frequency band and the pre-determined physical frequency band includes a synchronization channel. | 01-16-2014 |
20140126417 | METHOD FOR COMMUNICATING BETWEEN WIRELESS DEVICES AND WIRELESS DEVICE USING SAME - The present invention relates to a method for preventing a peer discovery signal collision, which can occur in a device-to-device (D2D) communication system, and to a wireless device using same. According to one embodiment of the present invention, a method for communicating between wireless devices by using a peer discovery slot is provided. The method comprises the steps of transmitting a first peer discovery signal through a first peer discovery channel that is selected from a plurality of peer discovery channels, receiving a second peer discovery signal that is transmitted by a neighboring wireless device, confirming a second discovery channel, from which the second peer discovery signal is detected, from the plurality of peer discovery channels, and transmitting a feedback signal through a response channel that corresponds to the second peer discovery channel from a plurality of response channels. | 05-08-2014 |
20140192720 | METHOD FOR TRANSMITTING AND RECEIVING PAGING INFORMATION IN A BROADBAND WIRELESS ACCESS SYSTEM - A method for efficiently transmitting and receiving a paging message and system information from and in a mobile station of a broadband wireless access system is disclosed. A method for receiving a paging message in a mobile station comprises receiving paging information from a serving base station, the paging information including paging sub group identifier (paging sub group ID) indicating a paging sub group to which the mobile station belongs; and receiving the paging message for a predetermined paging interval of the paging sub group, wherein the paging sub group is determined separately from a paging group and a geographical location determining the paging group, and is maintained while the mobile station is being operated in an idle mode. | 07-10-2014 |
20140286265 | METHOD FOR TRANSMITTING AN UPLINK SIGNAL AND FEEDBACK INFORMATION, AND RELAY APPARATUS USING THE METHOD - The invention relates to a method of transmitting an uplink signal at a communication apparatus in a wireless communication system. The wireless communication system can receive pattern information of downlink subframes for a base station (BS)-to-the communication apparatus transmission as a bitmap; receive resource block (RB) information associated with a control channel for the BS-to-the communication apparatus transmission; receive the control channel from a fourth orthogonal frequency division multiplexing (OFDM) symbol of the downlink subframe n corresponding to a downlink subframe index n based on the RB information and the pattern information, the downlink subframe n comprising at least one downlink subframe other than downlink subframe 0, downlink subframe 4, downlink subframe 5 and downlink subframe 9; receive a data channel in the downlink subframe n; and transmit feedback information associated with the data channel to the BS via an uplink subframe for the communication apparatus-to-the BS transmission. | 09-25-2014 |
20140355555 | METHOD AND DEVICE FOR TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream. | 12-04-2014 |