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VERFAHREN ZUR RÜCKKOPPLUNG VON KANALZUSTANDSINFORMATIONEN, VERFAHREN ZUM EMPFANGEN VON KANALZUSTANDSINFORMATIONEN, SENDEVORRICHTUNG UND EMPFANGSVORRICHTUNG
VERFAHREN ZUR RÜCKKOPPLUNG VON KANALZUSTANDSINFORMATIONEN, VERFAHREN ZUM EMPFANGEN VON KANALZUSTANDSINFORMATIONEN, SENDEVORRICHTUNG UND EMPFANGSVORRICHTUNG
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摘要
Embodiments of this application disclose channel state information feedback and receiving methods, a transmit-end device and a receive-end device, and relate to the field of communications technologies. The method includes: generating and sending, by a transmit-end device, codebook indication information of K transport layers, where K is an integer greater than or equal to 2; the codebook indication information includes: L pieces of beam information used by the K transport layers, and indication information used to indicate beam information associated with each of the K transport layers; L is an integer greater than or equal to 2, and a quantity of pieces of beam information associated with at least one of the K transport layers is less than L. Implementing a channel state information feedback and receiving technology provided in this application helps reduce feedback overheads of channel state information.
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