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Channel state information reporting method and apparatus

專利號
US11888563B2
公開日期
2024-01-30
申請人
HUAWEI TECHNOLOGIES CO., LTD.（CN Guangdong）
發(fā)明人
Xueru Li; Ruiqi Zhang; Kunpeng Liu; Xianda Liu; Yongxing Zhou
IPC分類
H04B7/06; H04B17/345; H04L5/00; H04W72/23
技術(shù)領(lǐng)域
csi,im,resource,station,terminal,dci,base,rs,resources,nzp
地域： Guangdong

摘要

This application provides a channel state information reporting method and apparatus. The method includes: A terminal device receives M pieces of downlink control information, where first downlink control information in the M pieces of downlink control information indicates a first channel state information configuration, the first channel state information configuration is associated with a first channel state information interference measurement CSI-IM resource group, and the first CSI-IM resource group includes N1 CSI-IM resources, where M and N1 are positive integers, and N1 is greater than 1; and the terminal device measures a target CSI-IM resource, and reports channel state information, where the target CSI-IM resource is determined by the terminal device from the N1 CSI-IM resources based on M, and a quantity of target CSI-IM resources is less than N1.

說明書

Optionally, the base station 1 and the base station 2 may configure the CSI-IM 0 and the CSI-IM 2 as one CSI-IM resource, where the CSI-IM resource has one CSI-IM ID, or may configure the CSI-IM 0 and the CSI-IM 2 as two CSI-IM resources, where the two CSI-IM resources separately have different CSI-IM IDs and/or other parameters, but occupy a same time-frequency resource. This is not limited in this embodiment of this application.

The terminal device receives the DCI sent by the base station 1 and/or the base station 2 at a moment t. It should be understood that the DCI 1 sent by the base station 1 indicates the above first CSI configuration, and the DCI 2 sent by the base station 2 indicates the above second CSI configuration. According to the above “pre-scheduling” mechanism, if a base station sends DCI at the moment t, it indicates that the base station prepares to schedule data at a moment t+k. If the base station does not prepare to schedule data, DCI indicating the above CSI configuration is not sent to the terminal device at the moment t.

權(quán)利要求

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