Method for reporting channel state information in wireless communication system and apparatus therefor

一种信道状态信息、无线通信系统的技术，应用在无线通信、无线电传输系统、分集/多天线系统等方向，能够解决资源短缺等问题

Active Publication Date: 2019-12-13
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since current mobile communication systems suffer from resource shortage and users demand even higher-speed services, there is a need to develop more advanced mobile communication systems

Method used

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  • Method for reporting channel state information in wireless communication system and apparatus therefor
  • Method for reporting channel state information in wireless communication system and apparatus therefor
  • Method for reporting channel state information in wireless communication system and apparatus therefor

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0276] Example 1) AP CSI report with AP / SP / PR NZP CSI-RS for channel measurement and AP / SP / PRZP CSI-RS for interference estimation.

example 2

[0277] Example 2) SP CSI report with AP / SP / PR NZP CSI-RS for channel measurement and AP / SP / PRZP CSI-RS for interference estimation.

[0278] Example 3) PRCSI report with PR NZP CSI-RS for channel measurement and PR ZP CSI-RS for interference estimation.

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PUM

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Abstract

The present specification provides a method for reporting CSI in a wireless communication system. In the present specification, a method for reporting channel state information (CSI), performed by a terminal, comprises the steps of: determining a format type of a physical uplink control chancel (PUCCH) for reporting the CSI according to a CSI feedback type, wherein the format type of the PUCCH isa short PUCCH or long PUCCH; and reporting the CSI to a base station through the determined PUCCH format type.

Description

Technical field [0001] The present invention relates to a wireless communication system, and more specifically, to a method for reporting channel state information (CSI) and a device supporting the method. Background technique [0002] Mobile communication systems that provide voice services while ensuring user mobility have been generally developed. This mobile communication system has gradually expanded its coverage from voice services through data services to high-speed data services. However, since current mobile communication systems suffer from resource shortages and users require even higher-speed services, there is a need to develop more advanced mobile communication systems. [0003] The requirements for next-generation mobile communication systems may include supporting huge amounts of data services, significantly increasing the transmission rate of each user, adapting to a significantly increased number of connection devices, very low end-to-end latency, and high energy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W72/10H04B7/06
CPCH04L1/1671H04L1/1861H04L5/0057H04L5/0073H04L5/0048H04L5/0051H04L5/0055H04L27/2614H04B7/0456H04B7/0695H04B7/088H04L25/0224H04L27/26025H04W72/56H04B7/065H04B7/0626H04B7/0639H04W76/27H04B7/0417H04B7/0632H04W72/21H04W72/53
Inventor 姜智源朴海旭金亨泰朴钟贤
Owner LG ELECTRONICS INC
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