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System and Method for Hierarchal Beamforming and Rank Adaptation for Hybrid Antenna Architecture
System and Method for Hierarchal Beamforming and Rank Adaptation for Hybrid Antenna Architecture
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机译:混合天线架构的分层波束形成和秩自适应的系统和方法
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摘要
An embodiment method for beam-related information and channel state information feedback includes receiving first analog beamformed reference signals; transmitting a first report indicating a set of selected analog beamformed reference signals and a transmission rank that jointly maximize a first performance criterion for subsequent transmissions by a transmitter that transmitted the first analog beamformed reference signals; receiving second analog beamformed reference signals maximized in accordance with the set of selected analog beamformed reference signals and the transmission rank; and transmitting a second report, in accordance with the second analog beamformed reference signals, indicating a channel quality indicator and a precoding matrix indicator that maximize a second performance criterion for subsequent transmissions by the transmitter that transmitted the first analog beamformed reference signals and the second analog beamformed reference signals.
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