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Data transmission method, terminal equipment and network equipment

A data transmission method and terminal equipment technology, applied in the direction of digital transmission system, transmission system, radio transmission system, etc., can solve the problems of high overhead, achieve the effect of improving flexibility and system performance

Active Publication Date: 2018-11-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the beam stacking reporting technology is used, multiple beam position information and coefficient quantization information need to be reported, which is very expensive

Method used

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  • Data transmission method, terminal equipment and network equipment
  • Data transmission method, terminal equipment and network equipment
  • Data transmission method, terminal equipment and network equipment

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Experimental program
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Embodiment Construction

[0053] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0054]It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, for example: global system of mobile communication (global system of mobile communication, 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 (frequency division duplex, FDD) system, LTE Time division duplex (TDD), universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) communication system, and future 5G communication s...

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Abstract

The embodiment of the invention provides a data transmission method, terminal equipment and network equipment. The method comprises the steps as follows: the terminal equipment determines a report type of channel state information (CSI), wherein the report type is used for expressing a relationship between the CSI of currently reported beams and the CSI of historically reported beams in a currentreport period; and the terminal equipment sends the CSI of N beams to the network equipment according to the report type and a codebook parameter, wherein the codebook parameter is used for indictingthe number N of the currently reported beams, and N is an integer more than or equal to 1. According to the data transmission method, terminal equipment and network equipment provided by the embodiment of the invention, the flexibility of CSI report can be improved, and thus the system performance is improved.

Description

technical field [0001] The embodiments of the present application relate to the communication field, and in particular to a data transmission method, a terminal device, and a network device in the communication field. Background technique [0002] Multiple-user multiple-input multiple-output (MIMO) technology refers to using multiple transmitting antennas and receiving antennas at the transmitting end and receiving end respectively, so that signals are transmitted and communicated through multiple antennas at the transmitting end and receiving end. take over. With the development of multi-antenna technology, large-scale antenna array (Massive MIMO) has become an effective means to improve system capacity. In a Massive MIMO system, network equipment can be configured with dozens or even hundreds of antennas, which can provide multiple antennas to dozens of users at the same time. At the same time, different data streams are sent on the same frequency resources to achieve a s...

Claims

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Application Information

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IPC IPC(8): H04B7/0413H04B7/06
CPCH04B7/0413H04B7/0626H04W24/10H04L1/00H04L1/0026H04L1/0027H04B7/0408H04B7/0695H04B7/0456H04B7/0617H04B7/0658
Inventor 金黄平韩玮尚鹏蒋鹏
Owner HUAWEI TECH CO LTD