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A CSI reporting method, configuration method, terminal and network side device

A configuration method and reporting technology, applied in the field of communication, can solve the problem of high cost of feedback CSI and achieve the effect of avoiding high cost

Active Publication Date: 2021-11-09
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a CSI reporting method, a configuration method, a terminal, and a network-side device, so as to solve the problem of high cost of feeding back CSI in the related art

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  • A CSI reporting method, configuration method, terminal and network side device
  • A CSI reporting method, configuration method, terminal and network side device
  • A CSI reporting method, configuration method, terminal and network side device

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] The terminals involved in the embodiments of the present invention may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of terminal devices, mobile stations, etc. (Mobile Station, MS) and so on. For convenience of description, the devices mentioned above are collectively referred to as terminals.

[0038] The embodime...

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Abstract

The present invention provides a channel state information CSI reporting method, a configuration method, a terminal and a network side device. The CSI reporting method is used for a terminal supporting multiple transmission receiving points TRP, which includes: receiving a CSI report configuration message, the CSI report configuration The message includes a resource indication field, the resource indication field is used to indicate N groups of resources, and the N is an integer greater than or equal to 2; a CSI report message is sent, and the report message includes a CSI bearer field, and the CSI bearer field is used for Carry the target CSI measured according to the N groups of resources. The embodiments of the present invention can reduce the cost of CSI feedback.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a CSI reporting method, a configuration method, a terminal and a network side device. Background technique [0002] As one of the key technologies of NR (New Radio, New Radio) access technology, massive MIMO (Massive Multiple Input Multiple Output) technology can use more spatial degrees of freedom to improve system capacity, and thus has been widely used. Research. [0003] In a massive MIMO system, in order to select an appropriate TRP (Transmission Reception Point, transmission receiving point) in the network side device to improve system transmission performance, the network side device needs to know the CSI (Channel State Information, channel state information) of each TRP, The CSI is usually obtained by measurement by the terminal, therefore, the terminal needs to feed back the CSI to the network side device. [0004] In related technologies, each TRP...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/06H04B7/0417
CPCH04B7/0417H04B7/0626H04B7/06
Inventor 王飞金婧李岩王启星刘光毅黄宇红
Owner CHINA MOBILE COMM LTD RES INST
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