CN1728587A - 改善无线通信系统中信道质量指示符信道的方法和设备 - Google Patents

改善无线通信系统中信道质量指示符信道的方法和设备 Download PDF

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Publication number
CN1728587A
CN1728587A CNA2005100876952A CN200510087695A CN1728587A CN 1728587 A CN1728587 A CN 1728587A CN A2005100876952 A CNA2005100876952 A CN A2005100876952A CN 200510087695 A CN200510087695 A CN 200510087695A CN 1728587 A CN1728587 A CN 1728587A
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CN
China
Prior art keywords
cqi
word
reliability
relevant
channel quality
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
CNA2005100876952A
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English (en)
Chinese (zh)
Inventor
弗朗西斯·多米尼克
孔红卫
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.)
Nokia of America Corp
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Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CN1728587A publication Critical patent/CN1728587A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • 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
    • 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
    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CNA2005100876952A 2004-07-30 2005-07-29 改善无线通信系统中信道质量指示符信道的方法和设备 Pending CN1728587A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/903,994 2004-07-30
US10/903,994 US7317702B2 (en) 2004-07-30 2004-07-30 Method and apparatus for enhancing performance of channel quality indicator (CQI) channel in wireless communications system

Publications (1)

Publication Number Publication Date
CN1728587A true CN1728587A (zh) 2006-02-01

Family

ID=35058195

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005100876952A Pending CN1728587A (zh) 2004-07-30 2005-07-29 改善无线通信系统中信道质量指示符信道的方法和设备

Country Status (5)

Country Link
US (1) US7317702B2 (https=)
EP (1) EP1630995B1 (https=)
JP (1) JP5329736B2 (https=)
KR (1) KR101197523B1 (https=)
CN (1) CN1728587A (https=)

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WO2008052479A1 (fr) * 2006-10-30 2008-05-08 Huawei Technologies Co., Ltd. Procédé et dispositif de signalisation d'indicateur de qualité de canal
CN101809919A (zh) * 2007-10-01 2010-08-18 松下电器产业株式会社 接收装置和通信方法
CN101150829B (zh) * 2006-09-20 2011-04-06 富士通株式会社 移动用户终端、移动通信系统、基站和通信方法
CN101507337B (zh) * 2006-08-29 2011-12-21 富士通株式会社 通信装置、终端、无线信道质量管理方法
CN101754347B (zh) * 2008-12-19 2012-07-25 电信科学技术研究院 多流波束赋形传输时cqi估计方法、系统及设备
CN101651885B (zh) * 2008-08-14 2012-11-14 展讯通信（上海）有限公司 通信系统中增强控制信道性能的方法
CN103188784A (zh) * 2011-12-28 2013-07-03 中国电信股份有限公司 一种pdcch的功率分配方法、基站和移动通信系统
CN112204898A (zh) * 2018-07-06 2021-01-08 华为技术有限公司 用于自适应调节mimo传输方案的设备和方法

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KR100804651B1 (ko) 2004-02-13 2008-02-20 포스데이타 주식회사 멀티 캐리어 통신 시스템에서의 적응적 전송 및 피드백방법 및 장치
KR101119351B1 (ko) * 2005-05-04 2012-03-06 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 정보의 송수신 방법 및 장치와 그 시스템
US7574214B2 (en) * 2005-05-25 2009-08-11 Intel Corporation Device, system and method of multiple access transmission
US8965440B2 (en) * 2005-05-31 2015-02-24 Alcatel Lucent Method of estimating a current channel condition in a wireless communications network
US7680125B2 (en) * 2005-10-19 2010-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Scheduling packet data transmissions in a packet data network based on early decoded channel feedback reports
US7684806B2 (en) 2005-11-21 2010-03-23 Intel Corporation Device, system and method of point to multipoint communication
US7848347B2 (en) * 2006-03-23 2010-12-07 Samsung Electronics Co., Ltd. Pattern-based polling of mobile stations for channel quality information
US7979075B2 (en) 2006-05-03 2011-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Generation, deployment and use of tailored channel quality indicator tables
US8463270B2 (en) * 2006-05-05 2013-06-11 Motorola Mobility Llc Method and apparatus for providing adjusted handoff parameters based on receiver classification
CN101047471B (zh) * 2006-05-23 2010-06-16 华为技术有限公司 一种反馈控制方法及系统
KR100809191B1 (ko) * 2006-06-20 2008-02-29 엘지노텔 주식회사 이동 통신 시스템의 채널품질상태표시값 전송 장치 및 방법
US7499718B2 (en) * 2006-08-01 2009-03-03 Cisco Technology, Inc. Enhanced coverage hole detection in wireless networks
US7623597B2 (en) * 2006-08-28 2009-11-24 Motorola, Inc. Block codeword decoder with confidence indicator
JP5281011B2 (ja) * 2006-11-14 2013-09-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 動きの感度を低減させた心肺蘇生指導装置
US8020075B2 (en) 2007-03-16 2011-09-13 Apple Inc. Channel quality index feedback reduction for broadband systems
US20080316048A1 (en) * 2007-03-28 2008-12-25 Vmonitor, Inc. System and method for monitoring a well
KR100996060B1 (ko) * 2007-04-04 2010-11-22 연세대학교 산학협력단 통신시스템에서 데이터 송수신 방법 및 장치
US7945258B2 (en) * 2007-07-31 2011-05-17 Broadcom Corporation Wireless device operable to manipulate high-speed shared control channel (HSSCCH) quality control through channel quality indication report manipulation
CN101478364B (zh) * 2008-01-02 2014-03-12 中国移动通信集团上海有限公司 用于wcdma网络高速下行分组接入的自适应调制编码方法
US8144797B2 (en) 2008-03-25 2012-03-27 Intel Mobile Communications GmbH CQI table for wireless MIMO networks
US8649456B2 (en) 2009-03-12 2014-02-11 Futurewei Technologies, Inc. System and method for channel information feedback in a wireless communications system
US8675627B2 (en) * 2009-03-23 2014-03-18 Futurewei Technologies, Inc. Adaptive precoding codebooks for wireless communications
US8565143B2 (en) 2009-10-16 2013-10-22 At&T Mobility Ii, Llc Dynamic content distribution in mobile telecommunications network
US9191093B2 (en) * 2009-10-20 2015-11-17 The Regents Of The University Of California Interference management for concurrent transmission in downlink wireless communications
US8867448B2 (en) 2012-05-15 2014-10-21 Apple Inc. Power-efficient adaptive channel state feedback in discontinuous reception scenarios
US9282473B2 (en) 2012-06-07 2016-03-08 Samsung Electronics Co., Ltd. Wireless communication system with channel-quality indicator mechanism and method of operation thereof
KR101444382B1 (ko) 2012-10-11 2014-09-26 삼성에스디에스 주식회사 단말기 및 이를 이용한 무선 네트워크 모니터링 시스템 및 방법
EP3847771A1 (en) * 2018-09-06 2021-07-14 Nokia Solutions and Networks Oy Acqi decoding confidence detection

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US6850736B2 (en) * 2000-12-21 2005-02-01 Tropian, Inc. Method and apparatus for reception quality indication in wireless communication
KR100498922B1 (ko) * 2001-08-31 2005-07-04 삼성전자주식회사 이동통신 시스템에서 순방향 채널의 품질정보 송수신방법및 장치
KR100605859B1 (ko) 2002-03-26 2006-07-31 삼성전자주식회사 고속 순방향 패킷 접속 방식을 사용하는 통신 시스템에서채널 품질 지시자 정보의 부호화 및 복호화 방법 및 장치
US7209712B2 (en) * 2002-09-23 2007-04-24 Qualcomm, Incorporated Mean square estimation of channel quality measure
TWI342686B (en) * 2002-12-04 2011-05-21 Interdigital Tech Corp Reliability detection of channel quality indicator (cqi) and application to outer loop power control

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101507337B (zh) * 2006-08-29 2011-12-21 富士通株式会社 通信装置、终端、无线信道质量管理方法
CN101150829B (zh) * 2006-09-20 2011-04-06 富士通株式会社 移动用户终端、移动通信系统、基站和通信方法
WO2008052479A1 (fr) * 2006-10-30 2008-05-08 Huawei Technologies Co., Ltd. Procédé et dispositif de signalisation d'indicateur de qualité de canal
CN101518012B (zh) * 2006-10-30 2012-02-29 华为技术有限公司 上报信道质量指示的方法与装置
CN101809919A (zh) * 2007-10-01 2010-08-18 松下电器产业株式会社 接收装置和通信方法
CN101809919B (zh) * 2007-10-01 2014-06-11 松下电器产业株式会社 接收装置和通信方法
CN101651885B (zh) * 2008-08-14 2012-11-14 展讯通信（上海）有限公司 通信系统中增强控制信道性能的方法
CN101754347B (zh) * 2008-12-19 2012-07-25 电信科学技术研究院 多流波束赋形传输时cqi估计方法、系统及设备
CN103188784A (zh) * 2011-12-28 2013-07-03 中国电信股份有限公司 一种pdcch的功率分配方法、基站和移动通信系统
CN103188784B (zh) * 2011-12-28 2016-01-13 中国电信股份有限公司 一种pdcch的功率分配方法、基站和移动通信系统
CN112204898A (zh) * 2018-07-06 2021-01-08 华为技术有限公司 用于自适应调节mimo传输方案的设备和方法
CN112204898B (zh) * 2018-07-06 2022-07-29 华为技术有限公司 用于自适应调节mimo传输方案的设备和方法
US12218725B2 (en) 2018-07-06 2025-02-04 Huawei Technologies Co., Ltd. Devices and methods for adaptively adjusting a MIMO transmission scheme

Also Published As

Publication number Publication date
US20060023650A1 (en) 2006-02-02
KR20060046586A (ko) 2006-05-17
US7317702B2 (en) 2008-01-08
JP5329736B2 (ja) 2013-10-30
KR101197523B1 (ko) 2012-11-09
EP1630995B1 (en) 2019-08-28
EP1630995A1 (en) 2006-03-01
JP2006050618A (ja) 2006-02-16

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