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    • 11. 发明申请
    • RANDOM ACCESS WITH CARRIER SENSING
    • 随机访问与载波侦听
    • WO2017151252A1
    • 2017-09-08
    • PCT/US2017/015371
    • 2017-01-27
    • INTEL IP CORPORATIONGHOSH, ChittabrataSTACEY, Robert J.
    • GHOSH, ChittabrataSTACEY, Robert J.HUANG, Po-Kai
    • H04W74/08H04W74/00H04W72/04
    • H04W74/0808H04W72/0453H04W74/0833
    • Computing readable media, apparatuses, and methods for random access with carrier sensing are disclosed. An apparatus is disclosed including processing circuitry configured to: decode a trigger frame, the trigger frame to indicate resource units (RUs) for random access and to indicate if a carrier sense (CS) is to be performed. The processing circuitry may be further configured to: decrement a value of an orthogonal frequency division multiple-access (OFDMA) backoff (OBO) field based on a number of the RUs indicated for random access. The processing circuitry may be further configured to: when the value of the OBO field reaches a predetermined value, randomly select one of the RUs indicated for random access, and if the CS is to be performed, determine a virtual CS based on one or more network allocation vectors (NAVs) and perform a physical CS on the selected RU, and if the virtual CS and the physical CS both indicate that the selected RU is idle, configure the wireless device to transmit a physical (PHY) layer convergence procedure (PLCP) protocol data units (PPDU) on the selected RU in accordance with OFDMA.
    • 公开了用于利用载波感测进行随机访问的计算机可读介质,装置和方法。 公开了一种包括处理电路的设备,所述处理电路被配置为:解码触发帧,所述触发帧指示用于随机接入的资源单元(RU)并且指示是否将执行载波侦听(CS)。 处理电路可以被进一步配置为:基于为随机接入指示的RU的数量来减小正交频分多址(OFDMA)回退(OBO)字段的值。 处理电路还可以被配置为:当OBO字段的值达到预定值时,随机选择指示用于随机访问的RU中的一个,并且如果要执行CS,则基于一个或多个 网络分配矢量(NAV)并且在所选择的RU上执行物理CS,并且如果虚拟CS和物理CS都指示所选择的RU空闲,则配置无线设备以发送物理(PHY)层收敛过程(PLCP) )协议数据单元(PPDU)。根据OFDMA,所选RU上的协议数据单元(PPDU)。