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 PDFInfo
- 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
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
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- 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 signaling, 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)
- PCT国内申请,权利要求书已公开。
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107615803B (zh) * | 2015-12-18 | 2020-04-14 | 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 |
CN116506922A (zh) | 2016-01-08 | 2023-07-28 | 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)
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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***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***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、***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)
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 |
-
2012
- 2012-12-14 WO PCT/CN2012/086690 patent/WO2014089836A1/zh active Application Filing
- 2012-12-14 CN CN201280002142.0A patent/CN104041127A/zh active Pending
-
2013
- 2013-04-22 WO PCT/CN2013/074531 patent/WO2014089949A1/zh active Application Filing
- 2013-04-22 EP EP13861698.2A patent/EP2919514A4/en not_active Withdrawn
-
2015
- 2015-06-10 US US14/736,039 patent/US9712277B2/en not_active Expired - Fee Related
Patent Citations (10)
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***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、***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***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 |
---|---|
WO2014089949A1 (zh) | 2014-06-19 |
US9712277B2 (en) | 2017-07-18 |
WO2014089836A1 (zh) | 2014-06-19 |
EP2919514A1 (en) | 2015-09-16 |
EP2919514A4 (en) | 2015-11-25 |
US20150280860A1 (en) | 2015-10-01 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |
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