METHOD OF TRANSMITTING DOWNLINK CHANNEL RANK INFORMATION THROUGH PHYSICAL UPLINK SHARED CHANNEL

    公开(公告)号:EP3565153A1

    公开(公告)日:2019-11-06

    申请号:EP19175889.5

    申请日:2011-05-10

    摘要: Provided is a method of transmitting channel rank information (RI) when the number of bits for transmitting the channel RI to be transmitted through a physical uplink shared channel (PUSCH) is three or more. The method includes mapping channel RI to be transmitted to a channel RI bit string of 3 bits or more, Reed-Muller coding and rate-matching the channel RI bit string using a basis sequence having a 32-bit code length, and generating modulation symbols by applying the bit sequence that has been Reed-Muller coded and rate-matched to a modulation mapper. Accordingly, the method of transmitting downlink channel RI can be employed when five or more antennas are used for downlink transmission or several carrier bands are used by carrier aggregation as specified in Third Generation Partnership Project (3GPP) long term evolution (LTE)-advanced following 3GPP LTE release 10.

    METHOD FOR TRANSMITTING A RESPONSE REQUEST FRAME AND A RESPONSE FRAME IN A MULTI-USER BASED WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:EP3537834A1

    公开(公告)日:2019-09-11

    申请号:EP18209475.5

    申请日:2010-11-24

    IPC分类号: H04W74/00 H04W84/12 H04L1/18

    摘要: The present invention relates to a method for efficient transmission of a request frame such as an RTS/CTS frame and a response frame in response to the request frame in a multi-user based wireless communication system. The method of the present invention comprises: a process where wireless terminals transmit a response frame at their own response frame transmission time through a request frame that contains information about a plurality of wireless terminals and information about the response frame transmission time of the respective wireless terminals; a process where the respective wireless terminals transmit a response frame according to a token scheme such that the response frame is transmitted to a final access point; and a process where only a representative wireless terminal selected depending on a given wireless environment receives the response frame.