IN2012DN00620A - - Google Patents

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Publication number
IN2012DN00620A
IN2012DN00620A IN620DEN2012A IN2012DN00620A IN 2012DN00620 A IN2012DN00620 A IN 2012DN00620A IN 620DEN2012 A IN620DEN2012 A IN 620DEN2012A IN 2012DN00620 A IN2012DN00620 A IN 2012DN00620A
Authority
IN
India
Prior art keywords
communication node
channel quality
quality report
channel
characteristic parameter
Prior art date
Application number
Other languages
English (en)
Inventor
Nils Brannstrom
Stephen Craig
Anders Jonsson
Kjell Larsson
Peter Okvist
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2012DN00620A publication Critical patent/IN2012DN00620A/en

Links

Classifications

    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
IN620DEN2012 2009-07-01 2009-07-01 IN2012DN00620A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/058244 WO2011000420A1 (en) 2009-07-01 2009-07-01 Adjusting channel quality report in a wireless communication network

Publications (1)

Publication Number Publication Date
IN2012DN00620A true IN2012DN00620A (ko) 2015-06-12

Family

ID=42021647

Family Applications (1)

Application Number Title Priority Date Filing Date
IN620DEN2012 IN2012DN00620A (ko) 2009-07-01 2009-07-01

Country Status (4)

Country Link
US (1) US9294220B2 (ko)
EP (1) EP2449714B1 (ko)
IN (1) IN2012DN00620A (ko)
WO (1) WO2011000420A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012002858A1 (en) * 2010-07-01 2012-01-05 Telefonaktiebolaget L M Ericsson (Publ) A method and an arrangement for determining a channel quality offset
CN102186230B (zh) * 2011-05-12 2013-10-02 上海华为技术有限公司 一种信道质量处理方法和装置
CN102265543B (zh) * 2011-06-10 2014-03-12 华为技术有限公司 修正信道质量指示值的方法和设备
US8681689B2 (en) * 2011-07-25 2014-03-25 Qualcomm Incorporated Adjusting a single-input and multiple-output (SIMO) channel quality indicator (CQI)
CN102438318B (zh) * 2011-12-30 2015-07-08 华为技术有限公司 一种调整cqi反馈周期的方法、设备和系统
GB2502107B (en) * 2012-05-16 2014-07-02 Broadcom Corp Channel quality estimation
EP2896151A1 (en) * 2012-09-17 2015-07-22 Nokia Solutions and Networks Oy Estimation and feedback of csi reliability information
DE102014204033A1 (de) * 2014-03-05 2015-09-10 Robert Bosch Gmbh Verfahren zum Überwachen eines Kommunikationsnetzwerkes
GB2544518B (en) * 2015-11-19 2020-02-12 Samsung Electronics Co Ltd Channel quality indicators
CN107182068A (zh) * 2016-03-11 2017-09-19 索尼公司 用于无线通信的装置和方法、参数优化装置和方法
WO2017206077A1 (zh) * 2016-05-31 2017-12-07 华为技术有限公司 用于确定数据流支持的传输速率的方法、用户设备和基站
EP3465933B1 (en) * 2016-06-07 2021-04-21 Telefonaktiebolaget LM Ericsson (PUBL) Doppler shift or doppler spread as input for beam-switching or node-switching in wireless networks

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BR0210131A (pt) * 2001-05-31 2004-06-08 Magnolia Broadband Inc Dispositivo de comunicação com antena inteligente usando um sinal de indicação de qualidade
US20040266360A1 (en) * 2001-09-19 2004-12-30 Jyri Hamalainen Adaptive transceiver system
US7171229B2 (en) * 2001-10-31 2007-01-30 Koninklijke Philips Electronics N.V. Method for operating a radio communication system
JP3997890B2 (ja) * 2001-11-13 2007-10-24 松下電器産業株式会社 送信方法及び送信装置
JP3973506B2 (ja) * 2002-07-19 2007-09-12 三洋電機株式会社 無線受信装置、無線受信方法および無線受信プログラム
US7406335B2 (en) * 2003-01-13 2008-07-29 Lucent Technologies Inc. Multiple antenna transmissions with deterministic phase differences
FI20040269A0 (fi) * 2004-02-20 2004-02-20 Nokia Corp Tiedonsiirtomenetelmä ja -järjestelmä, tukiasema ja lähetin-vastaanotin
KR100640516B1 (ko) * 2004-02-27 2006-10-30 삼성전자주식회사 직교주파수분할다중화 통신 시스템에서 채널품질 정보의전송방법 및 장치
US7599420B2 (en) * 2004-07-30 2009-10-06 Rearden, Llc System and method for distributed input distributed output wireless communications
JP4421935B2 (ja) 2004-04-30 2010-02-24 株式会社エヌ・ティ・ティ・ドコモ 無線基地局装置及び無線通信制御方法
JP4789450B2 (ja) * 2004-11-04 2011-10-12 パナソニック株式会社 回線品質報告方法、基地局装置および通信端末
CN101133587A (zh) * 2005-01-14 2008-02-27 诺基亚西门子网络公司 基于cqi时期的hsdpa参数调整
US8416745B2 (en) * 2005-08-22 2013-04-09 Qualcomm Incorporated Open-loop power adjustment for CQI repointing based on RL quality indicators
US8271043B2 (en) * 2006-08-21 2012-09-18 Qualcomm Incorporated Approach to a unified SU-MIMO/MU-MIMO operation
US8121552B2 (en) * 2006-09-05 2012-02-21 Motorola Mobility, Inc. Method and apparatus for providing channel quality feedback in a wireless communication system
FI20075223A0 (fi) * 2007-04-02 2007-04-02 Nokia Corp Parannettu siirtoyhteyden sovitusmenetelmä
EP2156599A4 (en) * 2007-05-24 2014-07-02 Ericsson Telefon Ab L M METHOD AND DEVICE FOR IMPROVED CHANNEL QUALITY RATIO
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US8699960B2 (en) * 2007-12-21 2014-04-15 Qualcomm Incorporated Methods and apparatus for channel quality indication feedback in a communication system
US8958467B2 (en) * 2008-09-04 2015-02-17 Telefonaktiebolaget L M Ericsson (Publ) Reporting channel quality information for multiple channels
US8848549B2 (en) * 2008-09-17 2014-09-30 Qualcomm Incorporated Optimizing throughput in a wireless communication system
US8090319B2 (en) * 2009-02-27 2012-01-03 Research In Motion Limited Method and system for automatic frequency control optimization
US9209933B2 (en) * 2009-06-11 2015-12-08 Qualcomm Incorporated Method and apparatus for dispatching a channel quality indicator feedback in multicarrier system

Also Published As

Publication number Publication date
EP2449714A1 (en) 2012-05-09
EP2449714B1 (en) 2013-03-06
US20120099471A1 (en) 2012-04-26
US9294220B2 (en) 2016-03-22
WO2011000420A1 (en) 2011-01-06

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