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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
技術領域
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

4. Indication information of n1 NZP CSI-RS resource configurations used to measure a channel during CQI calculation is included. Indication information of each NZP CSI-RS resource configuration may be used to determine one NZP CSI-RS resource configuration. One NZP CSI-RS resource configuration indicates K1 associated NZP CSI-RS resources. For example, K1=1, and n1=1. As shown in FIG. 5, an NZP CSI-RS resource configuration associated with the first CSI configuration may be referred to as a CSI-RS resource configuration 1, and K1 NZP CSI-RS resources associated with the CSI-RS resource configuration 1 are the NZP CSI-RS 1.

5. Indication information of the first CSI-IM resource group used to measure interference during CQI calculation is included. Specifically, the indication information may indicate indication information of m1 CSI-IM resource configurations. Indication information of each CSI-IM resource configuration may be used to determine one CSI-IM resource configuration, and the CSI-IM resource configuration may indicate the following information: configuration parameters of L1 CSI-IM resources, where L1>2. Each of the m1 CSI-IM resource configurations is associated with one of the n1 NZP CSI-RS resource configurations. Optionally, m1=n1.

6. Indication information for indicating that the first CSI configuration is associated with the second CSI configuration is included. For example, the indication information indicates an index of the second CSI configuration.

權利要求

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