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Method and apparatus for feedback of channel state information in a distributed antenna system (DAS)— based wireless communication system
Method and apparatus for feedback of channel state information in a distributed antenna system (DAS)— based wireless communication system
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机译:在基于分布式天线系统(das)的无线通信系统中反馈信道状态信息的方法和装置
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摘要
Feedback methods and apparatuses are provided for efficiently feeding back downlink Channel State Information (CSI) using limited information in a DAS-based wireless communication system. A method includes determining, by a receiver, a candidate Antenna Port (AP) set from among a plurality of APs; selecting an active AP set from the candidate AP set; and transmitting the candidate AP set, the active AP set, and the downlink CSI of active APs included in the active AP set.
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