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Sub-band feedback for beamforming on downlink multiple user MIMO configurations
Sub-band feedback for beamforming on downlink multiple user MIMO configurations
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机译:用于下行链路多用户MIMO配置上的波束成形的子带反馈
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摘要
A first communication device receives a sounding packet that was transmitted by a second communication device over a communication channel, and performs a channel estimation on a subchannel block of the communication channel to determine steering matrix feedback information for the subchannel block. The subchannel block spans a contiguous partial bandwidth of the communication channel and does not span an entire bandwidth of the communication channel. The first communication device transmits a communication frame to the second communication device, the communication frame i) including the steering matrix feedback information for the subchannel block, and ii) not including steering matrix feedback information for the one or more other subchannel blocks of the communication channel.
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