WO2012042389A3 - Channel quality information prediction method, device and system - Google Patents
Channel quality information prediction method, device and system Download PDFInfo
- Publication number
- WO2012042389A3 WO2012042389A3 PCT/IB2011/002819 IB2011002819W WO2012042389A3 WO 2012042389 A3 WO2012042389 A3 WO 2012042389A3 IB 2011002819 W IB2011002819 W IB 2011002819W WO 2012042389 A3 WO2012042389 A3 WO 2012042389A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- channel quality
- quality information
- prediction method
- information prediction
- Prior art date
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
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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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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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]
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- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
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- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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- 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
- H04L25/0204—Channel estimation of multiple channels
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- 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
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
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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
- H04B7/0652—Feedback error handling
- H04B7/0654—Feedback error handling at the receiver, e.g. antenna verification at mobile station
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- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03898—Spatial equalizers codebook-based design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Mathematical Physics (AREA)
- Probability & Statistics with Applications (AREA)
- Radio Transmission System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method of computing a channel quality indicator of a channel in a telecommunication network, said channel quality indicator characterizing the quality of the signal received on a channel by a device in said telecommunication network, said method comprising, for a device, the acts of monitoring the state of the channel; computing a prediction of the channel based on a past and the current state of the monitored channel; obtaining a channel variation indicator, said channel variation indicator characterizing the variation of the channel between a past and the current state of the channel; computing a channel quality indicator based on the channel prediction and the channel variation indicator.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNPCT/CN2010/077533 | 2010-09-30 | ||
PCT/CN2010/077533 WO2012040935A1 (en) | 2010-09-30 | 2010-09-30 | Channel quality information prediction method, device and system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012042389A2 WO2012042389A2 (en) | 2012-04-05 |
WO2012042389A3 true WO2012042389A3 (en) | 2012-05-31 |
Family
ID=45349243
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/077533 WO2012040935A1 (en) | 2010-09-30 | 2010-09-30 | Channel quality information prediction method, device and system |
PCT/IB2011/002819 WO2012042389A2 (en) | 2010-09-30 | 2011-09-28 | Channel quality information prediction method, device and system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/077533 WO2012040935A1 (en) | 2010-09-30 | 2010-09-30 | Channel quality information prediction method, device and system |
Country Status (1)
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WO (2) | WO2012040935A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9225412B2 (en) * | 2012-05-02 | 2015-12-29 | Samsung Electronics Co., Ltd. | Communication system with feedback mechanism and method of operation thereof |
US9467214B2 (en) | 2012-09-11 | 2016-10-11 | Ntt Docomo, Inc. | Method and apparatus for efficient channel state information dissemination for MU-MIMO transmission schemes based on outdated channel state information |
JP5968523B2 (en) | 2012-09-21 | 2016-08-10 | エヌイーシー(チャイナ)カンパニー, リミテッドNEC(China)Co.,Ltd. | Method and apparatus for adaptive channel direction information feedback in heterogeneous systems |
KR20140129623A (en) * | 2013-04-30 | 2014-11-07 | 삼성전자주식회사 | Method and apparatus for determining channel quality in wireless communication system |
CN105409134A (en) * | 2014-04-08 | 2016-03-16 | 华为技术有限公司 | Methods and network nodes in a wireless communication network |
US20160029232A1 (en) | 2014-07-22 | 2016-01-28 | Qualcomm Incorporated | Ultra reliable link design |
US10313958B2 (en) * | 2015-02-10 | 2019-06-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Receiving node, transmitting node, and methods therein for handling channel access |
WO2017074299A1 (en) * | 2015-10-26 | 2017-05-04 | Intel IP Corporation | Differential cqi reporting for optimizing throughput of systems operating on link adaptation |
TWI608710B (en) * | 2016-12-06 | 2017-12-11 | 財團法人工業技術研究院 | Method for channel precoding and base station and server using the same |
CN113205231B (en) * | 2021-05-31 | 2023-10-20 | 中国联合网络通信集团有限公司 | Off-network prediction method and device |
CN114245401B (en) * | 2021-11-17 | 2023-12-05 | 航天科工微电子系统研究院有限公司 | Multi-channel communication decision method and system |
Citations (5)
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WO2004042982A2 (en) * | 2002-11-01 | 2004-05-21 | Interdigital Technology Corporation | Method for channel quality prediction for wireless communication systems |
US20050227697A1 (en) * | 2004-04-12 | 2005-10-13 | Lucent Technologies, Inc. | Method and apparatus for channel prediction in wireless networks |
US20070099577A1 (en) * | 2005-08-19 | 2007-05-03 | Electronics And Telecommunications Research Institute | Apparatus and method for generating channel information and apparatus and method for adaptive transmission employing the same |
US20090116589A1 (en) * | 2007-11-01 | 2009-05-07 | Renesas Technology Corporation | Performance-based link adaptation techniques |
US20100113028A1 (en) * | 2006-10-05 | 2010-05-06 | Arne Simonsson | Method for Predicting Channel Quality Indicator (CQI) Values |
Family Cites Families (5)
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US6426971B1 (en) | 1999-09-13 | 2002-07-30 | Qualcomm Incorporated | System and method for accurately predicting signal to interference and noise ratio to improve communications system performance |
US7388847B2 (en) * | 2003-08-18 | 2008-06-17 | Nortel Networks Limited | Channel quality indicator for OFDM |
CN100505733C (en) * | 2005-01-14 | 2009-06-24 | 华为技术有限公司 | Method of correcting channel quality indication during high-speed downlink grouped data packet access |
CN101473550A (en) * | 2006-07-27 | 2009-07-01 | Ut斯达康通讯有限公司 | Method for calculating CQI during HS-PDSCH halt transmission period in UTRATDDHCR system, terminal UE capable of implementing the method, wireless communication system containing the UE and program pr |
US8144667B2 (en) * | 2006-12-27 | 2012-03-27 | Alcatel Lucent | Methods for channel quality prediction error calculation and transmission power adjustment in a wireless network |
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2010
- 2010-09-30 WO PCT/CN2010/077533 patent/WO2012040935A1/en active Application Filing
-
2011
- 2011-09-28 WO PCT/IB2011/002819 patent/WO2012042389A2/en active Application Filing
Patent Citations (5)
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WO2004042982A2 (en) * | 2002-11-01 | 2004-05-21 | Interdigital Technology Corporation | Method for channel quality prediction for wireless communication systems |
US20050227697A1 (en) * | 2004-04-12 | 2005-10-13 | Lucent Technologies, Inc. | Method and apparatus for channel prediction in wireless networks |
US20070099577A1 (en) * | 2005-08-19 | 2007-05-03 | Electronics And Telecommunications Research Institute | Apparatus and method for generating channel information and apparatus and method for adaptive transmission employing the same |
US20100113028A1 (en) * | 2006-10-05 | 2010-05-06 | Arne Simonsson | Method for Predicting Channel Quality Indicator (CQI) Values |
US20090116589A1 (en) * | 2007-11-01 | 2009-05-07 | Renesas Technology Corporation | Performance-based link adaptation techniques |
Non-Patent Citations (1)
Title |
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NEVIO BENVENUTO ET AL: "Predictive Channel Quantization and Beamformer Design for MIMO-BC with Limited Feedback", GLOBAL TELECOMMUNICATIONS CONFERENCE, 2007. GLOBECOM '07. IEEE, IEEE, PISCATAWAY, NJ, USA, 1 November 2007 (2007-11-01), pages 3607 - 3611, XP031196613, ISBN: 978-1-4244-1042-2 * |
Also Published As
Publication number | Publication date |
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WO2012042389A2 (en) | 2012-04-05 |
WO2012040935A1 (en) | 2012-04-05 |
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