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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

a transceiver unit 720, configured to send the first channel state information configuration to a terminal device.

In one embodiment, the first channel state information configuration is further associated with N2 CSI-IM resources, the N2 CSI-IM resources include a first-type CSI-IM resource and/or a second-type CSI-IM resource, the first-type CSI-IM resource is used to measure interference information in a multi-station joint transmission mechanism, and the second-type CSI-IM resource is used to measure interference information in a single-station transmission mechanism, where N2 is a positive integer.

In one embodiment, the first channel state information configuration includes first indication information; or the transceiver unit 720 is further configured to send the first indication information.

The first indication information is used to indicate that the first channel state information configuration is associated with a second channel state information configuration, the second channel state information is associated with N2 CSI-IM resources, the N2 CSI-IM resources include a first-type CSI-IM resource and/or a second-type CSI-IM resource, the first-type CSI-IM resource is used to measure interference information in a multi-station joint transmission mechanism, and the second-type CSI-IM resource is used to measure interference information in a single-station transmission mechanism, where N2 is a positive integer.

In one embodiment, the transceiver unit 720 is further configured to send second indication information, where the second indication information indicates that the first channel state configuration is used for the multi-station joint transmission mechanism or the single-station transmission mechanism.

權利要求

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