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TECHNIQUES D'ACQUISITION D'INFORMATIONS D'ÉTAT DE CANAL DANS UNE NOUVELLE TECHNOLOGIE RADIO
TECHNIQUES D'ACQUISITION D'INFORMATIONS D'ÉTAT DE CANAL DANS UNE NOUVELLE TECHNOLOGIE RADIO
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摘要
Certain aspects of the present disclosure provide techniques for channel state information acquisition in wireless communication systems operating according to new radio (NR) technologies. An exemplary method that may be performed by a user equipment (UE) generally includes receiving a first beamformed channel state information reference signal (CSI-RS), determining, based on the first beamformed CSI-RS and the beacon reference signal, information regarding an adjustment, preferred by the UE, of a beam-former to be used for a forthcoming second beamformed CSI-RS, transmitting a beamformer adjustment indicator (BAI), periodically, semi-persistently, or aperiodically, that indicates the preferred adjustment, and reporting channel state information feedback (CSF), based on the first beamformed CSI-RS.
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