Backoff mechanism techniques for spatial reuse

    公开(公告)号:US10117106B2

    公开(公告)日:2018-10-30

    申请号:US15239619

    申请日:2016-08-17

    Abstract: Techniques for reducing delay in scheduling traffic transmission in an overlapping basic service set (OBSS) environment by modifying backoff mechanisms are disclosed. In some examples, a device (e.g., station (STA), access point (AP)) decodes at least a portion of a preamble of a packet to determine whether the packet is sent by a member of an OBSS (e.g., STA, AP from a different BSS). Backoff operations are typically deferred as a result of the decoding. Aspects of the present disclosure provide a method, apparatus, and system in which the backoff operations are resumed prior to expiration of the period reserved for an OBSS packet by the network allocation vector (NAV). That is, the device may not honor the NAV of the OBSS packet, and instead perform spatial reuse by transmitting another packet (or signal) on the same frequency channel during the NAV of the OBSS packet.

    TRANSMISSION PARAMETER CONTROL FOR IMMEDIATE RESPONSE FRAMES
    47.
    发明申请
    TRANSMISSION PARAMETER CONTROL FOR IMMEDIATE RESPONSE FRAMES 审中-公开
    立即响应框架的传输参数控制

    公开(公告)号:US20170064695A1

    公开(公告)日:2017-03-02

    申请号:US15246379

    申请日:2016-08-24

    Abstract: Methods, systems, and devices are described for wireless communication. A transmitting device may transmit soliciting frames to a receiving device on a forward link. In response to the soliciting frames, the receiving device may transmit solicited frames in an immediate response back to the transmitting device on a reverse link. A solicited frame may fail to successfully decode at the transmitting device. The transmitting device in response may indicate an instantaneous value for one or more reverse link transmission parameters when sending a subsequent soliciting frame. The reverse link transmission parameters may be predetermined in a fixed mapping such that one or more values for the reverse link transmission parameters depend on values for the forward link transmission parameters. The receiving device may override the predetermined value and instead use the instantaneous value. An indicator of the instantaneous value may also be sent in a control field.

    Abstract translation: 描述了用于无线通信的方法,系统和设备。 发送设备可以向前向链路上的接收设备发送请求帧。 响应于请求帧,接收设备可以在反向链路上将所请求的帧立即发送回发送设备。 被请求的帧可能无法在发送设备上成功解码。 作为响应的发送装置可以在发送后续请求帧时指示一个或多个反向链路传输参数的瞬时值。 反向链路传输参数可以在固定映射中预先确定,使得用于反向链路传输参数的一个或多个值取决于前向链路传输参数的值。 接收设备可以覆盖预定值,而是使用瞬时值。 也可以在控制区域中发送瞬时值的指示符。

    METHODS AND APPARATUS FOR MULTIPLE USER UPLINK RESPONSE RULES
    49.
    发明申请
    METHODS AND APPARATUS FOR MULTIPLE USER UPLINK RESPONSE RULES 审中-公开
    多用户上传响应规则的方法和设备

    公开(公告)号:US20160316474A1

    公开(公告)日:2016-10-27

    申请号:US15139288

    申请日:2016-04-26

    CPC classification number: H04W72/0413 H04B7/0452 H04W72/04 H04W74/0808

    Abstract: Methods and apparatus for multiple user uplink are provided. In one aspect, method for wireless communication includes receiving a message comprising a request for two or more stations to concurrently transmit an uplink transmission. The method further includes determining a status of a medium at a station based on a clear channel assessment (CCA) or a network allocation vector (NAV). The method further includes selectively transmitting the uplink transmission based on the indication of the status of the medium.

    Abstract translation: 提供了多用户上行链路的方法和装置。 一方面,一种用于无线通信的方法包括:接收包括对两个或多个站同时发送上行链路传输的请求的消息。 该方法还包括基于清晰信道评估(CCA)或网络分配向量(NAV)来确定站点处的介质的状态。 该方法还包括基于介质的状态的指示选择性地发送上行链路传输。

    SYSTEMS AND METHODS FOR GROUP BLOCK ACKNOWLEDGMENT TRANSMISSIONS
    50.
    发明申请
    SYSTEMS AND METHODS FOR GROUP BLOCK ACKNOWLEDGMENT TRANSMISSIONS 审中-公开
    用于组块确认传输的系统和方法

    公开(公告)号:US20160234831A1

    公开(公告)日:2016-08-11

    申请号:US15013804

    申请日:2016-02-02

    Abstract: Methods and apparatus for allocating multi-user resources are provided. In one aspect, the disclosure provides for a method of wireless communication with a plurality of wireless stations. The method comprises transmitting, by an access point, a first communication to a first wireless station, the first communication comprising an indication of a group of wireless stations from among the plurality of wireless stations, the group of wireless stations comprising the first wireless station. The method further comprises receiving, by the access point, a second communication from the first wireless station. The method further comprises transmitting, by the access point, a third communication to the group of wireless stations, the third communication comprising data for the group of wireless stations. In certain aspects, the third communication comprises a block acknowledgment of at least a portion of the second communication.

    Abstract translation: 提供了分配多用户资源的方法和装置。 一方面,本公开提供了一种与多个无线站的无线通信的方法。 该方法包括由接入点向第一无线站发送第一通信,所述第一通信包括来自所述多个无线站中的一组无线站的指示,所述无线站组包括所述第一无线站。 所述方法还包括由所述接入点接收来自所述第一无线站的第二通信。 所述方法还包括由所述接入点向所述无线站组发送第三通信,所述第三通信包括所述无线站组的数据。 在某些方面,第三通信包括对第二通信的至少一部分的块确认。

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