CN1681265B - 信道质量估计方法和信道质量估计装置 - Google Patents

信道质量估计方法和信道质量估计装置 Download PDF

Info

Publication number
CN1681265B
CN1681265B CN2005100562936A CN200510056293A CN1681265B CN 1681265 B CN1681265 B CN 1681265B CN 2005100562936 A CN2005100562936 A CN 2005100562936A CN 200510056293 A CN200510056293 A CN 200510056293A CN 1681265 B CN1681265 B CN 1681265B
Authority
CN
China
Prior art keywords
channel
noise
channel quality
navigation
snr1
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.)
Expired - Fee Related
Application number
CN2005100562936A
Other languages
English (en)
Chinese (zh)
Other versions
CN1681265A (zh
Inventor
伊东克俊
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.)
Sony Corp
Original Assignee
Sony Ericsson Mobile Communications Japan 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 Sony Ericsson Mobile Communications Japan Inc filed Critical Sony Ericsson Mobile Communications Japan Inc
Publication of CN1681265A publication Critical patent/CN1681265A/zh
Application granted granted Critical
Publication of CN1681265B publication Critical patent/CN1681265B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B1/00Hand tools
    • A01B1/06Hoes; Hand cultivators
    • A01B1/08Hoes; Hand cultivators with a single blade
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/346Noise values
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809Selective-repeat protocols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Noise Elimination (AREA)
CN2005100562936A 2004-04-05 2005-04-05 信道质量估计方法和信道质量估计装置 Expired - Fee Related CN1681265B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004110876A JP4438482B2 (ja) 2004-04-05 2004-04-05 受信品質推定方法および装置
JP2004-110876 2004-04-05
JP2004110876 2004-04-05

Publications (2)

Publication Number Publication Date
CN1681265A CN1681265A (zh) 2005-10-12
CN1681265B true CN1681265B (zh) 2011-11-23

Family

ID=34909466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005100562936A Expired - Fee Related CN1681265B (zh) 2004-04-05 2005-04-05 信道质量估计方法和信道质量估计装置

Country Status (6)

Country Link
US (1) US7474628B2 (enExample)
EP (1) EP1585225B1 (enExample)
JP (1) JP4438482B2 (enExample)
KR (1) KR101107042B1 (enExample)
CN (1) CN1681265B (enExample)
DE (1) DE602005010928D1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4438482B2 (ja) 2004-04-05 2010-03-24 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 受信品質推定方法および装置
US8130857B2 (en) * 2006-01-20 2012-03-06 Qualcomm Incorporated Method and apparatus for pilot multiplexing in a wireless communication system
KR100913089B1 (ko) 2006-02-07 2009-08-21 엘지전자 주식회사 다중 반송파 시스템에 적용되는 파일럿 신호 전송 방법
CN103297371B (zh) 2006-02-08 2018-01-16 联想创新有限公司(香港) 单载波传输系统、通信装置和用于其中的单载波传输方法
JP2007324951A (ja) * 2006-06-01 2007-12-13 Sony Corp 受信装置
WO2008021119A1 (en) * 2006-08-11 2008-02-21 Interdigital Technology Corporation Method and apparatus for estimating a noise power for ofdm
JP4967561B2 (ja) * 2006-09-20 2012-07-04 富士通株式会社 移動通信端末、移動通信システム、基地局及び通信方法
GB0624982D0 (en) * 2006-12-14 2007-01-24 Cambridge Silicon Radio Ltd FM signal quality measurement
CN101895309B (zh) * 2010-02-08 2015-08-12 北京韦加航通科技有限责任公司 一种基于信噪比估计的频偏调整方法
CN103227759B (zh) * 2012-01-31 2016-08-24 电信科学技术研究院 一种针对用户信号的检测方法及设备
US9088350B2 (en) * 2012-07-18 2015-07-21 Ikanos Communications, Inc. System and method for selecting parameters for compressing coefficients for nodescale vectoring
CN103067316B (zh) * 2012-12-28 2015-11-25 华为技术有限公司 一种串扰信道估计方法、装置和系统
CN103944842B (zh) * 2013-01-23 2017-06-20 华为技术有限公司 信道均衡方法以及通信设备
US9831910B2 (en) 2013-09-16 2017-11-28 Marvell International Ltd. Noise estimation based on control messages destined for other mobile terminals
CN106100835B (zh) * 2016-07-19 2019-01-22 北京邮电大学 一种用于连续变量量子密钥分发中的高精度参数估计及高后处理数据利用率方法
EP3923619B1 (en) * 2017-10-25 2023-07-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Data transmission mode determining method, network device, and computer storage medium
CN110809285B (zh) * 2018-08-06 2023-02-28 黎光洁 一种基于信道条件的数据传输方法和数据传输系统
US10778344B2 (en) * 2018-11-14 2020-09-15 Texas Instruments Incorporated Channel tracking method and module
CN109582016B (zh) * 2018-11-26 2020-07-03 中国人民解放军军事科学院国防科技创新研究院 一种多频段自主信道质量测量的机器人系统
US10812294B2 (en) 2018-11-28 2020-10-20 Texas Instruments Incorporated Channel estimation method and system for IQ imbalance and local oscillator leakage correction
US11374669B2 (en) 2018-11-28 2022-06-28 Texas Instruments Incorporated Phase spectrum based delay estimation method and module
US11095485B2 (en) 2018-11-30 2021-08-17 Texas Instruments Incorporated Frequency-domain IQ mismatch estimation
JP7398895B2 (ja) * 2019-07-31 2023-12-15 株式会社デンソーテン ノイズ低減装置
CN114124294A (zh) * 2021-04-13 2022-03-01 中兴通讯股份有限公司 一种自适应调制编码方法、基站及存储介质
CN115842785A (zh) * 2021-08-23 2023-03-24 华为技术有限公司 北斗通信系统中出站数据传输方法、系统及相关装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221777A1 (en) * 2000-12-20 2002-07-10 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method and apparatus for classifying interference
US20020172261A1 (en) * 2001-04-05 2002-11-21 General Electric Company Robust, low complexity communications system with interference mitigation
US20030003889A1 (en) * 2001-06-22 2003-01-02 Intel Corporation Noise dependent filter
US20030198283A1 (en) * 2002-03-15 2003-10-23 Shimman Patel Dynamic pilot filter bandwidth estimation
CN1453969A (zh) * 2002-04-24 2003-11-05 易河清 一种用于数字通信带外管理信道的解调方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450453A (en) * 1994-09-28 1995-09-12 Motorola, Inc. Method, apparatus and system for decoding a non-coherently demodulated signal
WO1998010547A2 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, multi-carrier transmission systems
US5909384A (en) * 1996-10-04 1999-06-01 Conexant Systems, Inc. System for dynamically adapting the length of a filter
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
US6470044B1 (en) * 1999-01-15 2002-10-22 Sharp Laboratories Of America, Inc. Computationally parsimonious forward link receiver for DS-CDMA systems and method for same
US7068683B1 (en) * 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US6738624B1 (en) * 2000-11-16 2004-05-18 Nokia Corporation Method and system for capacity reporting in a mobile telecommunications network
JP3385266B2 (ja) 2000-11-27 2003-03-10 富士通株式会社 雑音除去方法及び装置
JP3591726B2 (ja) 2001-12-07 2004-11-24 ソニー株式会社 データ通信制御システム、送信機及び送信方法
KR100630112B1 (ko) * 2002-07-09 2006-09-27 삼성전자주식회사 이동통신시스템의 적응형 채널 추정장치 및 방법
US7313167B2 (en) * 2002-09-30 2007-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Signal-to-noise ratio estimation of CDMA signals
US7218948B2 (en) * 2003-02-24 2007-05-15 Qualcomm Incorporated Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators
US7885228B2 (en) * 2003-03-20 2011-02-08 Qualcomm Incorporated Transmission mode selection for data transmission in a multi-channel communication system
JP2005012512A (ja) 2003-06-19 2005-01-13 Mitsubishi Electric Corp 通信装置
US7200190B2 (en) * 2003-06-30 2007-04-03 Motorola, Inc. Unbiased signal to interference ratio in wireless communications devices and methods therefor
US7418042B2 (en) * 2003-09-17 2008-08-26 Atheros Communications, Inc. Repetition coding for a wireless system
JP4438482B2 (ja) 2004-04-05 2010-03-24 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 受信品質推定方法および装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221777A1 (en) * 2000-12-20 2002-07-10 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method and apparatus for classifying interference
US20020172261A1 (en) * 2001-04-05 2002-11-21 General Electric Company Robust, low complexity communications system with interference mitigation
US20030003889A1 (en) * 2001-06-22 2003-01-02 Intel Corporation Noise dependent filter
US20030198283A1 (en) * 2002-03-15 2003-10-23 Shimman Patel Dynamic pilot filter bandwidth estimation
CN1453969A (zh) * 2002-04-24 2003-11-05 易河清 一种用于数字通信带外管理信道的解调方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US 20030003889 A1,全文.

Also Published As

Publication number Publication date
EP1585225B1 (en) 2008-11-12
US7474628B2 (en) 2009-01-06
JP4438482B2 (ja) 2010-03-24
EP1585225A3 (en) 2006-08-09
US20050220056A1 (en) 2005-10-06
KR101107042B1 (ko) 2012-01-25
CN1681265A (zh) 2005-10-12
DE602005010928D1 (de) 2008-12-24
JP2005295429A (ja) 2005-10-20
EP1585225A2 (en) 2005-10-12
KR20060045497A (ko) 2006-05-17

Similar Documents

Publication Publication Date Title
CN1681265B (zh) 信道质量估计方法和信道质量估计装置
KR100757023B1 (ko) 이동체 통신 시스템과 기지국 및 통신 제어 방법
CN101868015B (zh) 在无线通信系统中用于提供上行链路信噪比(snr)估计的方法和装置
JP4076202B2 (ja) スペクトラム拡散信号受信機及び受信方法
JP3523236B2 (ja) 電力スペクトル密度推定に基づくデータ伝送速度の決定
CN102948122B (zh) 用于多载波接收机的频移误差补偿方法及设备
UA64029C2 (uk) Пристрій для прийому інформаційного сигналу і спосіб його декодування та пристрій для передачі інформаційного сигналу і спосіб його передачі
TW200526046A (en) Method and apparatus for estimating and reporting the quality of a wireless communication channel
KR20010012067A (ko) Nt/Io값을 사용한 셀룰라 시스템의 순방향 링크 전력 제어 시스템 및 방법
JPH10257013A (ja) 受信装置
WO2002017532A1 (en) Base station apparatus, communication terminal apparatus and communication method
US7369523B2 (en) Data signal demodulation in a communication system
US20040048619A1 (en) Apparatus and method for detecting a power ratio between a traffic channel and a pilot channel in a mobile communication system
JP3562502B2 (ja) Cdma受信装置及びその装置のチャネル推定方法
JP4564501B2 (ja) 周波数分割通信システム
KR100763529B1 (ko) 시공간 전송 다이버시티를 적용한 통신 시스템에서전력제어 방법 및 장치
JP3628247B2 (ja) 信号復調方法および受信装置
US7075975B2 (en) Fast adaptive transceiver architecture with symmetric preamble design
WO2003044997A1 (en) Wireless receiver
US20140133611A1 (en) Wireless communication apparatus and one-path state determination method
JP2001223621A (ja) 受信装置
KR100866759B1 (ko) Td-scdma 시스템에서의 전력 제어 방법 및 이에적용되는 장치
CN1181632C (zh) 一种用于闭环分集模式2的数据解调方法及装置
JPH0918399A (ja) 検波後ダイバーシチ受信回路
HK1032862A (en) Method and apparatus for coherently-averaged power estimation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111123

Termination date: 20190405