DE602005016413D1 - Mpfängerfrequenzfehlers bei der rauschschätzungsverarbeitung - Google Patents

Mpfängerfrequenzfehlers bei der rauschschätzungsverarbeitung

Info

Publication number
DE602005016413D1
DE602005016413D1 DE602005016413T DE602005016413T DE602005016413D1 DE 602005016413 D1 DE602005016413 D1 DE 602005016413D1 DE 602005016413 T DE602005016413 T DE 602005016413T DE 602005016413 T DE602005016413 T DE 602005016413T DE 602005016413 D1 DE602005016413 D1 DE 602005016413D1
Authority
DE
Germany
Prior art keywords
receiver
noise
estimates
compensated
error
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.)
Active
Application number
DE602005016413T
Other languages
English (en)
Inventor
Anders Wallen
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602005016413D1 publication Critical patent/DE602005016413D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Drying Of Semiconductors (AREA)
  • Studio Devices (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE602005016413T 2004-06-16 2005-06-10 Mpfängerfrequenzfehlers bei der rauschschätzungsverarbeitung Active DE602005016413D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58020204P 2004-06-16 2004-06-16
US10/991,878 US9025638B2 (en) 2004-06-16 2004-11-18 Method and apparatus to compensate for receiver frequency error in noise estimation processing
PCT/EP2005/006268 WO2005125075A1 (en) 2004-06-16 2005-06-10 Method and apparatus to compensate for receiver frequency error in noise estimation processing

Publications (1)

Publication Number Publication Date
DE602005016413D1 true DE602005016413D1 (de) 2009-10-15

Family

ID=34982068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005016413T Active DE602005016413D1 (de) 2004-06-16 2005-06-10 Mpfängerfrequenzfehlers bei der rauschschätzungsverarbeitung

Country Status (8)

Country Link
US (2) US9025638B2 (de)
EP (1) EP1766836B1 (de)
JP (1) JP4757259B2 (de)
KR (1) KR20070036746A (de)
CN (1) CN101002418B (de)
AT (1) ATE441987T1 (de)
DE (1) DE602005016413D1 (de)
WO (1) WO2005125075A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7893873B2 (en) 2005-12-20 2011-02-22 Qualcomm Incorporated Methods and systems for providing enhanced position location in wireless communications
FI20065220A0 (fi) * 2006-04-04 2006-04-04 Nokia Corp Vastaanotin ja vastaanottomenetelmä
CN102208972B (zh) * 2006-04-17 2014-11-26 高通股份有限公司 用于无线通信的噪声估计的方法和装置
CN101507166B (zh) * 2006-08-21 2013-11-20 皇家飞利浦电子股份有限公司 多波束mimo系统中的高效cqi信令
GB0626023D0 (en) * 2006-12-29 2007-02-07 Nokia Corp A receiver
US7738535B2 (en) * 2007-05-22 2010-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for removing pilot channel amplitude dependencies from RAKE receiver output
DE602007007645D1 (de) * 2007-12-28 2010-08-19 Alcatel Lucent Virtuelle MIMO-System Vorrichtung und Basisstation
GB2479310B (en) * 2009-01-28 2013-12-18 Kyocera Corp Interference cancellation
GB2479311A (en) * 2009-01-28 2011-10-05 Kyocera Corp Interference cancellation
US9124479B2 (en) * 2009-07-15 2015-09-01 Nec Corporation Wireless base station receiving device, and signal demodulation method and program used therein
US8526552B1 (en) * 2009-08-25 2013-09-03 Marvell International Ltd. Noise estimation in communication receivers
CN102055704B (zh) * 2009-11-10 2013-05-08 中兴通讯股份有限公司 一种正交频分复用系统中进行噪声估计的方法及装置
US8582674B2 (en) * 2009-11-24 2013-11-12 Qualcomm Incorporated Apparatus and method for channel estimation using compressive sensing based on Taylor series expansion
US8665971B2 (en) 2009-11-24 2014-03-04 Qualcomm, Incorporated Apparatus and method for channel estimation using compressive sensing
US8644402B2 (en) 2009-11-24 2014-02-04 Qualcomm, Incorporated Apparatus and method for compressive sensing tap identification for channel estimation
US8483641B1 (en) 2010-07-28 2013-07-09 Marvell International Ltd. Validation and stabilization of noise matrices
CN102142853B (zh) * 2010-12-31 2013-09-11 中国电子科技集团公司第五十四研究所 单脉冲跟踪接收机系统误差矩阵补偿方法
US8972215B2 (en) * 2011-03-30 2015-03-03 Mitsubishi Electric Research Laboratories, Inc. Method and system for determining parameters of sinusoidal signals
US9065555B2 (en) * 2012-09-27 2015-06-23 Intel Mobile Communications GmbH Method of channel estimation and a channel estimator
US9706421B2 (en) 2013-12-06 2017-07-11 Qualcomm Incorporated Apparatus and method for sire bias compensation
CN106572040B (zh) * 2015-10-12 2020-04-21 富士通株式会社 发射端调制器的偏置漂移估计装置、补偿装置以及接收机
CN114124289B (zh) * 2021-11-24 2022-10-21 北京邮电大学 一种基于容积卡尔曼滤波器的快速偏振态旋转补偿方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477912A (en) * 1982-02-12 1984-10-16 Arinc Research Corporation Correlation data communications system
US5239591A (en) * 1991-07-03 1993-08-24 U.S. Philips Corp. Contour extraction in multi-phase, multi-slice cardiac mri studies by propagation of seed contours between images
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5657422A (en) * 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator
JP3193613B2 (ja) * 1996-01-12 2001-07-30 株式会社日立国際電気 相関ピーク検出型周波数誤差検出回路
US6097770A (en) * 1996-10-31 2000-08-01 Lucent Technologies Inc. Frequency offset estimation for wireless systems based on channel impulse response
US6356608B1 (en) * 1998-06-29 2002-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for determining a location of a frequency synchronization signal
US6097608A (en) * 1998-11-16 2000-08-01 International Business Machines Corporation Disk drive vibration isolation using diaphragm isolators
US6661832B1 (en) * 1999-05-11 2003-12-09 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
JP3486576B2 (ja) * 1999-05-18 2004-01-13 シャープ株式会社 Ｏｆｄｍ受信装置及びその周波数オフセット補償方法
US6714585B1 (en) * 1999-06-25 2004-03-30 Ericsson Inc. Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
US6765969B1 (en) * 1999-09-01 2004-07-20 Motorola, Inc. Method and device for multi-user channel estimation
US6807242B1 (en) * 1999-10-07 2004-10-19 Advantest Corporation Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program
US20010036283A1 (en) * 2000-03-07 2001-11-01 Mark Donaldson Active noise reduction system
US6470047B1 (en) * 2001-02-20 2002-10-22 Comsys Communications Signal Processing Ltd. Apparatus for and method of reducing interference in a communications receiver
US6563885B1 (en) * 2001-10-24 2003-05-13 Texas Instruments Incorporated Decimated noise estimation and/or beamforming for wireless communications
KR100547893B1 (ko) * 2001-10-30 2006-02-01 삼성전자주식회사 이동통신시스템에서 역방향 채널의 전력 제어 방법 및 장치
US6889154B2 (en) * 2002-04-18 2005-05-03 Infineon Technologies Ag Method and apparatus for calibrating data-dependent noise prediction
JP3901026B2 (ja) 2002-06-12 2007-04-04 日本電気株式会社 Ｃｄｍａ受信装置
JP3969275B2 (ja) * 2002-10-15 2007-09-05 株式会社日立製作所 無線位置測定方法および装置
JP4140340B2 (ja) * 2002-10-24 2008-08-27 日本電気株式会社 移動通信システム、移動局、基地局及びそれらに用いるパケット通信方法
US7257377B2 (en) * 2003-02-18 2007-08-14 Qualcomm, Incorporated Systems and methods for improving channel estimation
US7397842B2 (en) * 2003-09-26 2008-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for combining weight computation in a DS-CDMA RAKE receiver

Also Published As

Publication number Publication date
CN101002418A (zh) 2007-07-18
JP4757259B2 (ja) 2011-08-24
EP1766836A1 (de) 2007-03-28
US9025638B2 (en) 2015-05-05
JP2008503124A (ja) 2008-01-31
US8934521B2 (en) 2015-01-13
ATE441987T1 (de) 2009-09-15
US20050281324A1 (en) 2005-12-22
US20130287066A1 (en) 2013-10-31
WO2005125075A1 (en) 2005-12-29
CN101002418B (zh) 2010-05-12
EP1766836B1 (de) 2009-09-02
KR20070036746A (ko) 2007-04-03

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