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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

For another example, in a time division duplex TDD system and a full duplex (full duplex) system, the forward link 118 and the reverse link 120 may use a same frequency band, and the forward link 124 and the reverse link 126 may use a same frequency band.

Each antenna group and/or each area that are/is designed for communication are/is referred to as a sector of the network device 102. For example, the antenna group may be designed to communicate with a terminal device in a sector of a coverage area of the network device 102. In a process in which the network device 102 communicates with the terminal device 116 and the terminal device 122 over the forward link 118 and the forward link 124 respectively, transmit antennas of the network device 102 may improve signal-to-noise ratios of the forward link 118 and the forward link 124 through beamforming. In addition, when the network device 102 sends, through beamforming, signals to the terminal device 116 and the terminal device 122 that are randomly scattered in a related coverage area, interference to a mobile device in a neighboring cell is less than that caused when a network device sends signals to all terminal devices of the network device by using a single antenna.

權(quán)利要求

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