Technique to provide channel format and signal processing for efficiently transmitting control information

    公开(公告)号:US10090984B2

    公开(公告)日:2018-10-02

    申请号:US15722832

    申请日:2017-10-02

    Abstract: A method is provided for transmitting Acknowledgement/Negative Acknowledgement (ACK/NACK) information at a User Equipment (UE) in a wireless communication system. The UE is configured to use a Physical Uplink Control Channel (PUCCH) format 3 for the transmission of the ACK/NACK information. A PUCCH format between a PUCCH format 1a/1b and the PUCCH format 3 is determined for transmission of the ACK/NACK information for downlink transmission in a downlink frame set including M downlink subframes is to be transmitted, where M≥1, in one uplink subframe, according to whether at least one of specific conditions is met. The ACK/NACK information is transmitted using the determined PUCCH format in the one uplink subframe. The ACK/NACK information is transmitted by using the PUCCH format 1a/1b, when at least one of the specific conditions is met. One serving cell is configured for the UE.

    Uplink control information transmitting/receiving method and device in a wireless communication system

    公开(公告)号:US10069612B2

    公开(公告)日:2018-09-04

    申请号:US15147708

    申请日:2016-05-05

    Abstract: A method for transmitting Acknowledgement/Negative Acknowledgement (ACK/NACK) information, and a User Equipment (UE) therefore are discussed. The method according to an embodiment includes determining a Physical Uplink Control Channel (PUCCH) format and a PUCCH resource through which ACK/NACK information is to be transmitted; and transmitting the ACK/NACK information by multiplexing the ACK/NACK information with a scheduling request, when a transmission of the scheduling request is configured. The ACK/NACK information and the scheduling request are transmitted using a PUCCH format 1b, when the ACK/NACK information corresponds to one Physical Downlink Shared Channel (PDSCH) without a corresponding Physical Downlink Control Channel (PDCCH) received only on a Primary Cell (PCell) in the downlink subframe set. The ACK/NACK information further corresponds to a Semi-Persistent Scheduling (SPS) release PDCCH having a Downlink Assignment Index (DAI) value of 1 or one PDSCH indicated by a corresponding PDCCH having a DAI value of 1.

    Method of transmitting control information in a wireless communication system and apparatus thereof

    公开(公告)号:US10015819B2

    公开(公告)日:2018-07-03

    申请号:US15401989

    申请日:2017-01-09

    Abstract: A method and apparatus for transmitting control information in a wireless communication system supporting carrier aggregation (CA) is disclosed. A method for transmitting control information to a base station (BS) by a user equipment (UE) in a wireless communication system includes receiving at least one of a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH) from the base station through at least one serving cell configured in the user equipment, and transmitting control information regarding PDCCH reception or PDSCH reception indicated by the PDCCH to the base station. The control information is transmitted through a physical uplink control channel (PUCCH) of a primary cell, using control information feedback timing of at least one of the primary cell and a first cell of the at least one serving cell, and the at least one serving cell uses different uplink and downlink (UL-DL) configurations.

    Method and apparatus for transmitting control information in a wireless communication system

    公开(公告)号:US09723594B2

    公开(公告)日:2017-08-01

    申请号:US14481648

    申请日:2014-09-09

    Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method in which a terminal transmits control information in a wireless communication system, and to an apparatus for the method, wherein the method comprises the following steps: spreading a control information block corresponding to one single carrier frequency division multiplexing (SC-FDMA) symbol, such that the spread control information blocks correspond to a plurality of first SC-FDMA symbols; performing a discrete Fourier transform (DFT) precoding process on the spread control information blocks on an SC-FDMA symbol basis; transmitting, in the plurality of first SC-FDMA symbols in a subframe, the DFT precoded control information blocks; and transmitting, in a plurality of second SC-FDMA symbols in the subframe, a reference signal sequence, wherein an orthogonal code is applied to the plurality of second SC-FDMA symbols in a time domain.

    Method and apparatus for transmitting control information in radio communication system

    公开(公告)号:US09461798B2

    公开(公告)日:2016-10-04

    申请号:US14542344

    申请日:2014-11-14

    Abstract: A method for transmitting control information using PUCCH format 3 in a radio communication system includes detecting one or more Physical Downlink Control Channels (PDCCHs), receiving one or more Physical Downlink Shared Channel (PDSCH) signals corresponding to the one or more PDCCHs, and determining a PUCCH resource value nPUCCH(3,p) corresponding to a value of a transmit power control (TPC) field of a PDCCH for a PDSCH signal on a secondary cell (SCell) among a plurality of PUCCH resource values configured by a higher layer for the PUCCH format 3. If a single antenna port transmission mode is configured, the PUCCH resource value nPUCCH(3,p) indicated by the TPC field is mapped to one PUCCH resource for a single antenna port, and, if a multi-antenna port transmission mode is configured, the PUCCH resource value nPUCCH(3,p) indicated by the TPC field is mapped to a plurality of PUCCH resources for multiple antenna ports.

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