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CN104041127A - 信道质量指示反馈方法、装置和用户设备 - Google Patents

信道质量指示反馈方法、装置和用户设备 Download PDF

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Publication number
CN104041127A
CN104041127A CN201280002142.0A CN201280002142A CN104041127A CN 104041127 A CN104041127 A CN 104041127A CN 201280002142 A CN201280002142 A CN 201280002142A CN 104041127 A CN104041127 A CN 104041127A
Authority
CN
China
Prior art keywords
channel quality
cqi
base station
indicate
quality indicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201280002142.0A
Other languages
English (en)
Inventor
张鹏
王宗杰
马雪利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN104041127A publication Critical patent/CN104041127A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明实施例提供一种信道质量指示反馈方法、装置和用户设备，以提高信道质量反映的准确度。所述方法包括：基于对基站发送的导频的检测获取第一信道质量指示CQI1；基于对解调导频的检测结果获取第二信道质量指示CQI2；以所述基站可区分出所述第一信道质量指示CQI1和/或所述第二信道质量指示CQI2的方式向所述基站发送所述第一信道质量指示CQI1和/或所述第二信道质量指示CQI2。本发明实施例提供的方法客观地反映了当前信道质量状况，可以让基站获取准确的信道质量信息，从而基于信道质量信息客观地调度数据，提高信道的数据发送效率。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201280002142.0A 2012-12-14 2012-12-14 信道质量指示反馈方法、装置和用户设备 Pending CN104041127A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/086690 WO2014089836A1 (zh) 2012-12-14 2012-12-14 信道质量指示反馈方法、装置和用户设备

Publications (1)

Publication Number Publication Date
CN104041127A true CN104041127A (zh) 2014-09-10

Family

ID=50933739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280002142.0A Pending CN104041127A (zh) 2012-12-14 2012-12-14 信道质量指示反馈方法、装置和用户设备

Country Status (4)

Country Link
US (1) US9712277B2 (zh)
EP (1) EP2919514A4 (zh)
CN (1) CN104041127A (zh)
WO (2) WO2014089836A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101095A1 (zh) * 2015-12-18 2017-06-22 华为技术有限公司 一种信道质量指示反馈的方法、用户设备以及网络设备
CN116782340A (zh) 2016-01-08 2023-09-19 日本电气株式会社 用户设备、第二无线接入技术的第二基站及其进行的方法

Citations (10)

* Cited by examiner, † Cited by third party
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CN101056459A (zh) * 2006-06-29 2007-10-17 华为技术有限公司 无线接入网增加无线链路的方法
CN101094489A (zh) * 2006-06-19 2007-12-26 日本电气株式会社 用于测量信道质量的方法和移动通信系统中的基站
CN101630967A (zh) * 2009-08-12 2010-01-20 中兴通讯股份有限公司 多输入多输出系统中信道质量获取方法
US20100034114A1 (en) * 2008-08-11 2010-02-11 Samsung Electronics Co., Ltd. Cqi reporting method and apparatus for mobile telecommunication system
CN101754347A (zh) * 2008-12-19 2010-06-23 大唐移动通信设备有限公司 多流波束赋形传输时cqi估计方法、系统及设备
US20100238824A1 (en) * 2009-03-20 2010-09-23 Qualcomm Incorporated Feedback mechanisms for beamforming operation
CN101867457A (zh) * 2010-06-21 2010-10-20 中兴通讯股份有限公司 信道状态信息的处理方法及用户设备
EP2385643A1 (en) * 2010-05-03 2011-11-09 Alcatel Lucent A method for selection of a modulation and coding scheme, and a device therefor
CN102378275A (zh) * 2010-08-13 2012-03-14 上海贝尔股份有限公司 一种获取增强的信道质量指示信息的方法和装置
US20120088458A1 (en) * 2009-06-19 2012-04-12 Toshizo Nogami Transmission device, receiving device, communication system, and communication method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9408220B2 (en) * 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
CN102647751B (zh) * 2011-02-17 2014-12-10 上海贝尔股份有限公司 协同多点传输中确定信道状态的方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101094489A (zh) * 2006-06-19 2007-12-26 日本电气株式会社 用于测量信道质量的方法和移动通信系统中的基站
CN101056459A (zh) * 2006-06-29 2007-10-17 华为技术有限公司 无线接入网增加无线链路的方法
US20100034114A1 (en) * 2008-08-11 2010-02-11 Samsung Electronics Co., Ltd. Cqi reporting method and apparatus for mobile telecommunication system
CN101754347A (zh) * 2008-12-19 2010-06-23 大唐移动通信设备有限公司 多流波束赋形传输时cqi估计方法、系统及设备
US20100238824A1 (en) * 2009-03-20 2010-09-23 Qualcomm Incorporated Feedback mechanisms for beamforming operation
US20120088458A1 (en) * 2009-06-19 2012-04-12 Toshizo Nogami Transmission device, receiving device, communication system, and communication method
CN101630967A (zh) * 2009-08-12 2010-01-20 中兴通讯股份有限公司 多输入多输出系统中信道质量获取方法
EP2385643A1 (en) * 2010-05-03 2011-11-09 Alcatel Lucent A method for selection of a modulation and coding scheme, and a device therefor
CN101867457A (zh) * 2010-06-21 2010-10-20 中兴通讯股份有限公司 信道状态信息的处理方法及用户设备
CN102378275A (zh) * 2010-08-13 2012-03-14 上海贝尔股份有限公司 一种获取增强的信道质量指示信息的方法和装置

Also Published As

Publication number Publication date
US9712277B2 (en) 2017-07-18
EP2919514A1 (en) 2015-09-16
US20150280860A1 (en) 2015-10-01
EP2919514A4 (en) 2015-11-25
WO2014089949A1 (zh) 2014-06-19
WO2014089836A1 (zh) 2014-06-19

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