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Channel state information reporting method and apparatus

專利號(hào)
US11888563B2
公開日期
2024-01-30
申請(qǐng)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

4. Indication information of m CSI-IM resource configurations used to measure interference during CQI calculation is included. Indication information of one 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 L CSI-IM resources, where L>1. One of the L CSI-IM resources is associated with one of the n NZP CSI-RS resource configurations. In addition, m1 CSI-IM resources occupy a same time-frequency resource. In this specification, the m1 CSI-IM resources are referred to as “same CSI-IM resources”, where m1 is an integer greater than 1.

It should be understood that, that “a CSI-IM resource is associated with an NZP CSI-RS resource configuration” means that when the terminal device calculates a CQI, if (all or a part of) NZP CSI-RS resources in the ith NZP CSI-RS resource are selected to measure channel information, (all or a part of) CSI-IM resources associated with the ith NZP CSI-RS resource are selected to measure interference information, and then the CQI is obtained based on the channel information and the interference information (and/or other information).

權(quán)利要求

1
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