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    • 9. 发明授权
    • Method and apparatus for generating loud packets to estimate path loss
    • 用于产生响亮分组以估计路径损耗的方法和装置
    • US08433355B2
    • 2013-04-30
    • US11403501
    • 2006-04-13
    • Paul MarinierVincent RoyMarian Rudolf
    • Paul MarinierVincent RoyMarian Rudolf
    • H04B7/00H04B1/00H04Q11/12
    • H04W24/00H04W84/12
    • In a wireless communication system, (e.g., a wireless local area network (WLAN)), including a plurality of wireless transmit/receive units (WTRUs) and a coordinating node, (e.g., an access point (AP)), path loss is estimated by transmitting a loud packet from a first one of the WTRUs to a second one of the WTRUs. The coordinating node transmits a loud packet generation request message. A first one of the WTRUs receives the loud packet generation request message and transmits at least one loud packet at a transmission power specified by the loud packet generation request message. Optionally, the first WTRU transmits a loud packet generation response message. A second one of the WTRUs receives the loud packet and determines a path loss between the first WTRU and the second WTRU by subtracting the signal strength of the loud packet from the determined transmission power of the loud packet.
    • 在包括多个无线发射/接收单元(WTRU)和协调节点(例如,接入点(AP))的无线通信系统(例如,无线局域网(WLAN))中,路径损耗是 通过从第一个WTRU发送一个响亮的分组到第二个WTRU来估计。 协调节点发送一个响亮的分组生成请求消息。 WTRU中的第一个接收到巨响分组生成请求消息,并以由大声分组生成请求消息指定的发送功率发送至少一个响亮分组。 可选地,第一WTRU发送响亮的分组生成响应消息。 所述WTRU中的第二个接收所述响亮分组,并根据所确定的所述大量分组的传输功率减去所述响应分组的信号强度,从而确定所述第一WTRU与所述第二WTRU之间的路径损耗。