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METHODS, TRANSMITTER AND RECEIVER FOR CHANNEL SOUNDING AND ESTIMATION FOR ANTENNA SELECTION IN MIMO SYSTEMS
METHODS, TRANSMITTER AND RECEIVER FOR CHANNEL SOUNDING AND ESTIMATION FOR ANTENNA SELECTION IN MIMO SYSTEMS
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机译:MIMO系统中信道探测和天线选择估计的方法,发射器和接收器
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摘要
Techniques and devices for antenna selection in a multiple-input-multiple-output (MIMO) system, in which communication is between a transmitter having a first plurality of radio-frequency (RF) chains coupled to a first plurality of antennas and a receiver having a second plurality of RF chains coupled to a second plurality of antennas, are provided. Techniques include receiving consecutive sounding packets each have a training symbol and that collectively sound a full-size channel for the MIMO system. A sub-channel estimate for each sounding packet can then be determined based on various factors, such as a known power level rule and gain factor. Scaling factors may be applied to each of these sub-channel estimates to produce a scaled sub-channel estimates.
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