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    • 6. 发明申请
    • TECHNIQUES TO MANAGE RETRANSMISSIONS IN A WIRELESS NETWORK
    • 在无线网络中管理恢复的技术
    • WO2006065690A1
    • 2006-06-22
    • PCT/US2005/044773
    • 2005-12-09
    • INTEL CORPORATIONLI, QinghuaHO, Minnie
    • LI, QinghuaHO, Minnie
    • H04L1/16H04L1/18H04L12/28
    • H04L1/18H04L1/16H04L1/1628H04L1/1685H04L1/1809H04L1/1848H04W74/00H04W80/00
    • Multiple MPDUs may be aggregated into a single physical (PHY) protocol data unit (PPDU), as defined by the IEEE 802.11n Proposed Standard. The PPDU may include a block acknowledgement request (BAR). The BAR may indicate the end of a PPDU. When a receiving device receives the PPDU, it waits to receive the BAR. Once the BAR is received, the receiving device may acknowledge receipt of the PPDU using a block acknowledgement (ACK) in response to the BAR. In this manner, the transmitting device may not necessarily need to initiate a new transfer for every single MPDU, thereby potentially increasing transfer efficiency and throughput. A PPDU may include information which can be used to estimate the transmission duration of a given PPDU. Once the transmission duration for a given PPDU is estimated, the receiving device may use the estimate to determine when to generate a block ACK in the event a BAR is delayed or not received at all.
    • 多个MPDU可以聚合成由IEEE 802.11n建议标准定义的单个物理(PHY)协议数据单元(PPDU)。 PPDU可以包括块确认请求(BAR)。 BAR可以指示PPDU的结束。 当接收设备收到PPDU时,它等待接收到BAR。 一旦接收到BAR,接收设备可以使用响应于BAR的块确认(ACK)来确认接收到PPDU。 以这种方式,发送设备可能不一定需要为每个单个MPDU启动新的传输,从而潜在地提高传输效率和吞吐量。 PPDU可以包括可用于估计给定PPDU的传输持续时间的信息。 一旦估计给定PPDU的传输持续时间,接收设备可以使用该估计来确定在BAR被延迟或未被接收的情况下何时生成块ACK。