Space division multiple access for wireless LAN, and channel estimation for the same

    公开(公告)号:US10206070B2

    公开(公告)日:2019-02-12

    申请号:US15707328

    申请日:2017-09-18

    Abstract: A method of transmitting data in a wireless local access network, the method includes transmitting, by an access point (AP), a request-to-send (RTS) frame to a plurality of receiving stations, the RTS frame including recipient information and channel information, the recipient information indicating the plurality of receiving stations, the channel information indicating a plurality of subchannels allocated to the plurality of receiving stations; receiving, by the AP, a plurality of clear-to-send (CTS) frames from the plurality of receiving stations as a response to the RTS frame, each CTS frame being received through at least one subchannel allocated to a corresponding one of the plurality of receiving stations; and transmitting, by the AP, a physical layer protocol data unit (PPDU) to the plurality of receiving stations, the PPDU including address information indicating the plurality of receiving stations and a plurality of Aggregate-Medium Access Control (MAC) Protocol Data Units (A-MPDUs) for the plurality of receiving stations.

    Method and apparatus for transmitting sounding reference signal
    4.
    发明授权
    Method and apparatus for transmitting sounding reference signal 有权
    用于发送探测参考信号的方法和装置

    公开(公告)号:US09479305B2

    公开(公告)日:2016-10-25

    申请号:US14369605

    申请日:2012-12-28

    CPC classification number: H04L5/0048 H04L1/0026 H04L5/0007 H04W74/006

    Abstract: Provided are a method and a wireless device for transmitting a sounding reference signal in a wireless communication system. The wireless device receives an SRS (sounding reference signal) configuration for a periodic transmission, and transmits the SRS in a randomly determined subframe from among a plurality of SRS subframes determined on the basis of the SRS configuration.

    Abstract translation: 提供了一种用于在无线通信系统中发送探测参考信号的方法和无线设备。 无线设备接收用于周期性传输的SRS(探测参考信号)配置,并且从基于SRS配置确定的多个SRS子帧中随机确定的子帧中发送SRS。

    DATA RECEIVING METHOD AND WIRELESS DEVICE
    5.
    发明申请
    DATA RECEIVING METHOD AND WIRELESS DEVICE 有权
    数据接收方法和无线设备

    公开(公告)号:US20140328301A1

    公开(公告)日:2014-11-06

    申请号:US14358685

    申请日:2012-11-16

    CPC classification number: H04W72/042 H04L5/0044 H04L5/0048 H04L5/0053

    Abstract: Provided is a data receiving method in a wireless communication system and a wireless device using the same. A wireless device monitors a downlink control channel, and receives a downlink reference signal to be used in a demodulation of a downlink transmission block based on the resource to be used in the monitoring the downlink control channel.

    Abstract translation: 提供了一种无线通信系统中的数据接收方法和使用该方法的无线装置。 无线设备监视下行链路控制信道,并且基于在监视下行链路控制信道中要使用的资源接收下行链路传输块的解调中使用的下行链路参考信号。

    Method and device for transmitting a sounding reference signal

    公开(公告)号:US11374713B2

    公开(公告)日:2022-06-28

    申请号:US16821589

    申请日:2020-03-17

    Abstract: A method performed by a user equipment (UE) in a wireless communication system, includes receiving a sounding reference signal (SRS) configuration via a radio resource control (RRC) signaling, the SRS configuration indicating a subframe configured for SRS transmission, wherein the SRS configuration includes an indicator indicating whether an aperiodic SRS transmission or a periodic SRS transmission is performed in the subframe configured for SRS transmission; based on the indicator indicating that the aperiodic SRS transmission is performed, receiving request information for requesting a transmission of an SRS and aperiodically transmitting the SRS in the configured subframe; and based on the indicator indicating that the periodic SRS transmission is performed, periodically transmitting the SRS in the configured subframe.

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