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Parameter configuration method and communication device

A parameter configuration method and communication unit technology, applied in the field of communication, can solve the problem that the number of air-domain vectors and frequency-domain vectors to be reported has not been clearly defined, and achieve the effect of narrowing the selection range, reducing the amount of calculation, and reducing the number of combinations.

Pending Publication Date: 2020-07-17
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in this implementation, the number of reported spatial domain vectors and frequency domain vectors has not been clearly defined

Method used

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  • Parameter configuration method and communication device
  • Parameter configuration method and communication device
  • Parameter configuration method and communication device

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Experimental program
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Embodiment Construction

[0066] The technical solution in this application will be described below with reference to the accompanying drawings.

[0067] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: global system for mobile communications (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access (WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long termevolution, LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunication system (universal mobile telecommunication system, UMTS), global interconnection microwave access (worldwide interoperability for microwave access, WiMAX) communication system, future fifth generation (5th generation, 5G) system or new Wireless (new ra...

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Abstract

The invention provides a parameter configuration method and a communication device. The method comprises the following steps: the terminal device receives an indication of a first mapping relationshipfrom the network device, wherein the first mapping relationship is one mapping relationship in a pre-configured first mapping relationship group, and the first mapping relationship group comprises atleast one mapping relationship used for indicating at least one corresponding relationship between the reported number of spatial domain vectors and the reported number of frequency domain vectors; and the terminal equipment determines the reporting number of the spatial domain vectors and the reporting number of the frequency domain vectors according to the first mapping relationship. Therefore,by pre-defining various possible corresponding relations between the L value and the M value, the selection range of the reporting number can be reduced, the selection range of the reporting number can be reduced, and the calculation amount and the indication overhead for determining the reporting number by the network equipment can be reduced.

Description

technical field [0001] The present application relates to the communication field, and more specifically, to a parameter configuration method and a communication device. Background technique [0002] In a massive multiple-input multiple output (Massive MIMO) technology, a network device may reduce interference between multiple users and interference between multiple signal streams of the same user through a precoding technology. Thereby improving signal quality, realizing space division multiplexing, and improving spectrum utilization. [0003] The terminal device may determine the precoding vector through channel measurement, etc., and hopes to make the network device obtain a precoding vector that is the same as or similar to the precoding vector determined by the terminal device through feedback. In order to reduce feedback overhead and improve feedback accuracy, in an implementation manner, the terminal device may indicate the precoding vector to the network device thro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04B7/06H04B7/0456H04B7/0413
CPCH04L5/0053H04B7/0413H04B7/0456H04B7/0626H04W72/23H04L25/00H04L5/0048H04B7/0478H04B7/0658H04W72/0453H04W72/046H04W72/1263H04W72/54
Inventor 王潇涵金黄平毕晓艳
Owner HUAWEI TECH CO LTD
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