Abstract: Provided is a method and device for signal transmission having good PAPR/CM characteristics. With regard to one aspect of said method, the method for transmitting a reference signal in a wireless communication signal comprises a step wherein a reference signal sequence is generated, a step wherein said reference signal sequence is divided with respect to each of multiple sub-blocks, a step wherein each of said plurality of divided reference signal sequence is subject to circular shifting, and a step wherein said plurality of circular shifted reference signals are transmitted via said plurality of sub-blocks.

Abstract: The present invention relates to a method for determining position of a user equipment in a wireless mobile communication system. The method comprises receiving a plurality of subframes including reference signals for positioning of the user equipment from a plurality of base stations periodically with a predetermined period of time; and determining position of the user equipment using reference signal time difference (RSTD) between the reference signals for positioning of the user equipment included in the received plurality of subframes, wherein a pattern of the reference signals for positioning of the user equipment is generated by repeating a diagonal mother matrix with dimension of 6×6, the pattern of the reference signals are mapped to orthogonal frequency division multiplexing (OFDM) symbols of the subframe, and the reference signals for positioning of the user equipment in a OFDM symbol in which common reference signal (CRS) is transmitted are punctured.

Abstract: A method is provided for transmitting control information from a terminal in a wireless communication system. Physical downlink shared channels (PDSCHs) are received on a primary component carrier and PDSCHs are received on a secondary component carrier. The primary component carrier and the secondary component carrier are configured for the terminal. A first acknowledgement (ACK)/negative acknowledgement (NACK) feedback is transmitted for the received PDSCHs on a first physical uplink control channel (PUCCH) resource corresponding to a first antenna port and a second ACK/NACK feedback is transmitted for the received PDSCHs on a second PUCCH resource corresponding to a second antenna port. The first antenna port and the second antenna port are configured for the terminal. The first ACK/NACK feedback and the second ACK/NACK feedback are identical.

Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.

Abstract: The present invention provides a method and apparatus for transmitting uplink control information (UCI) with user equipment in a wireless communication system. The user equipment performs channel coding on information bits of UCI to generate encoded information bits; modulates the generated encoded information bits to generate complex modulation symbols; spreads the complex modulation symbols blockwise into a plurality of single carrier frequency division multiple access (SC-FDMA) symbols on the basis of an orthogonal sequence; and transmits the spread complex modulation symbols to a base station.

Abstract: A method of transmitting, by a user equipment, control information in a communication system. The method according to one embodiment includes multiplying transmission information corresponding to the control information by a frequency direction sequence, of which length corresponds to a number of subcarriers in a resource block, to generate a first output signal; multiplying the first output signal by a time direction sequence, of which length corresponds to a number of symbols used for transmission of the control information in a transmission unit, to generate a second output signal; and transmitting the second output signal in the transmission unit.

Abstract: A method is provided for transmitting, by a base station, signals in a communication system. Carrier aggregation configuration information is transmitted to a mobile station via a primary carrier band of the mobile station. The carrier aggregation configuration information informs the mobile station of a subsidiary carrier band for the mobile station. Uplink control information for the subsidiary carrier band is received from the mobile station via the primary carrier band. The carrier aggregation configuration information includes a physical identification of a frequency allocation band used as the subsidiary carrier band and a logical identification assigned to the subsidiary carrier band for the mobile station. The physical identification includes one of plural absolute frequency band indexes assigned to frequency allocation bands available in the communication system. The logical identification includes a logical index assigned to the subsidiary carrier band identifying the subsidiary carrier band.

Abstract: A method for generating Acknowledgement/Negative Acknowledgement (ACK/NACK) information at a user equipment in a wireless communication system. The method according to one embodiment includes receiving a plurality of transport blocks through a plurality of downlink carriers from a base station. Each of the plurality of downlink carriers carries two or more transport blocks. The method according to the embodiment further includes generating the ACK/NACK information by concatenating ACK/NACK bits corresponding to the plurality of transport blocks. The ACK/NACK bits are concatenated using an index order of the downlink carriers and an index order of the two or more transport blocks associated with each of the downlink carriers. The index order of the downlink carriers is used firstly.

Abstract: The present invention relates to wideband wireless access system, and more particularly to an effective method for transmitting control information during the combination of multiple carriers. As one embodiment of the present invention, there is provided a method by which a base station allocates a carrier to a terminal in a wideband wireless access system supporting multiple carriers, the method comprising: transmitting, to the terminal, a terminal specific or terminal group specific carrier allocation information that includes information about at least one of control information and data; and transmitting, to the terminal, a carrier combination control information that includes information about a change in the at least one candidate carrier available.

Abstract: The present invention relates to wideband wireless access system, and more particularly to an effective method for transmitting control information during the combination of multiple carriers. As one embodiment of the present invention, there is provided a method by which a base station allocates a carrier to a terminal in a wideband wireless access system supporting multiple carriers, the method comprising: transmitting, to the terminal, a terminal specific or terminal group specific carrier allocation information that includes information about at least one of control information and data; and transmitting, to the terminal, a carrier combination control information that includes information about a change in the at least one candidate carrier available.

Abstract: A terminal random access procedure is improved by allowing a mobile terminal to correctly map signature indexes onto cyclic shifted Zadoff-Chu (ZC) sequences when the deployed cells support a high-speed mobility by informing a mobile terminal whether a cell supports high-speed mobility.

Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for transmitting an RS (Reference Signal) from a transmission end. The present invention relates to an RS transmission method and an apparatus therefore, comprising the steps of: confirming RS resources which are defined according to each layer; and transmitting the precoded RS for the layers to a receiving end through a multiple antenna, wherein the RS resource includes a 1st index for indicating an RS resource pattern group in which the precoded RS is mapped within a resource block and a 2nd index for indicating a code resource for multiplexing the precoded RSs within the RS resource pattern group.

Abstract: Disclosed are an apparatus for transmitting and receiving control information for a relay node and a method thereof. The relay node for receiving control information in a wireless communication system comprises: a receiving module for receiving through higher layer signaling from a base station the information on a resource block (RB) which the relay node should search to receive the control information; a processor for detecting the control information from the first RB by blind-decoding at least one received RB which should be searched; and a receiving module for receiving through the first RB from the base station the control information detected by the processor.

Abstract: A method and an apparatus for reporting a channel state in a multi-carrier system are provided. User equipment receives an uplink grant including an uplink resource allocation and a channel quality indicator (CQI) request via one downlink carrier from among a plurality of downlink carriers. The user equipment reports CQIs for the plurality of downlink carriers via a plurality of subframes in accordance with the CQI request.

Abstract: Provided is a method and device for signal transmission having good PAPR/CM characteristics. With regard to one aspect of said method, the method for transmitting a reference signal in a wireless communication signal comprises a step wherein a reference signal sequence is generated, a step wherein said reference signal sequence is divided with respect to each of multiple sub-blocks, a step wherein each of said plurality of divided reference signal sequence is subject to circular shifting, and a step wherein said plurality of circular shifted reference signals are transmitted via said plurality of sub-blocks.

Abstract: A method and wireless station for receiving signals. The wireless station receives, from a base station, a control signal on a first subframe indicated as a downlink (DL) subframe by a time division duplex (TDD) uplink-downlink (UL-DL) subframe configuration. The control signal includes first information indicating that at least one UL subframe indicated by the TDD UL-DL subframe configuration is reconfigured as a TDD DL subframe. The wireless station receives, from the base station, DL data on a second subframe which was indicated as a TDD UL subframe by the TDD UL-DL subframe configuration but is currently reconfigured as a TDD DL subframe by the control signal. The wireless station transmits, to the base station, UL data on a TDD UL subframe except for being reconfigured as the TDD DL subframe by the control signal.

Abstract: The present invention relates to a wireless communication system. In particular, the present invention relates to a method for handling physical downlink control channels (PDCCHs) in a user equipment, the method comprising: receiving a plurality of control channel elements (CCEs) from a base station; performing blind decoding of the plurality of CCEs in CCE aggregation units; and identifying a CCE aggregation level used for the PDCCH transmission, on the basis of the blinding decoding result, wherein the CCE aggregation level is relevant resource mapping of the control information included in the PDCCH.

Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.

Abstract: A method is provided for transmitting control information from a user equipment in a wireless communication system. Physical downlink shared channels (PDSCHs) are received on a primary cell and a secondary cell configured for the user equipment. Acknowledgement (ACK)/negative acknowledgement (NACK) feedbacks for the received PDSCHs are transmitted using two physical uplink control channel (PUCCH) resources corresponding to a respective one of two antenna ports configured for the user equipment. The two PUCCH resources are used to transmit the same ACK/NACK state.