DE60104330D1 - Rake-empfänger und verfahren zur schatzung des frequenzfehlers - Google Patents

Rake-empfänger und verfahren zur schatzung des frequenzfehlers

Info

Publication number
DE60104330D1
DE60104330D1 DE60104330T DE60104330T DE60104330D1 DE 60104330 D1 DE60104330 D1 DE 60104330D1 DE 60104330 T DE60104330 T DE 60104330T DE 60104330 T DE60104330 T DE 60104330T DE 60104330 D1 DE60104330 D1 DE 60104330D1
Authority
DE
Germany
Prior art keywords
complex
signals
combiner
value
conjugate
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
DE60104330T
Other languages
English (en)
Other versions
DE60104330T2 (de
Inventor
Diego Giancola
Andrew Thurston
Jonathan Lucas
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.)
Aeroflex Cambridge Ltd
Original Assignee
Ubinetics Ltd
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 Ubinetics Ltd filed Critical Ubinetics Ltd
Publication of DE60104330D1 publication Critical patent/DE60104330D1/de
Application granted granted Critical
Publication of DE60104330T2 publication Critical patent/DE60104330T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B1/69—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
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
DE60104330T 2000-11-21 2001-11-20 Rake-empfänger und verfahren zur schatzung des frequenzfehlers Expired - Fee Related DE60104330T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0028374 2000-11-21
GB0028374A GB2369275B (en) 2000-11-21 2000-11-21 A rake receiver and a method of providing a frequency error estimate
PCT/GB2001/005107 WO2002043265A1 (en) 2000-11-21 2001-11-20 A rake receiver and a method of providing a frequency error estimate

Publications (2)

Publication Number Publication Date
DE60104330D1 true DE60104330D1 (de) 2004-08-19
DE60104330T2 DE60104330T2 (de) 2005-08-04

Family

ID=9903588

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60104330T Expired - Fee Related DE60104330T2 (de) 2000-11-21 2001-11-20 Rake-empfänger und verfahren zur schatzung des frequenzfehlers

Country Status (10)

Country Link
US (1) US7257150B2 (de)
EP (1) EP1336254B1 (de)
JP (1) JP2004515106A (de)
KR (1) KR20030051736A (de)
CN (1) CN1230991C (de)
AT (1) ATE271282T1 (de)
AU (1) AU2002215133A1 (de)
DE (1) DE60104330T2 (de)
GB (1) GB2369275B (de)
WO (1) WO2002043265A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369275B (en) 2000-11-21 2004-07-07 Ubinetics Ltd A rake receiver and a method of providing a frequency error estimate
EP1449389B1 (de) * 2001-11-26 2010-04-28 Spyder Navigations L.L.C. Mac-schicht-multiplexumkehr in einem ran der dritten generation
KR100557112B1 (ko) 2002-09-11 2006-03-03 삼성전자주식회사 이동통신시스템의 수신단에서의 주파수 오차를 추정하여 결합하는 장치
MX2007005453A (es) 2004-11-05 2007-05-21 Interdigital Tech Corp Igualador adaptable con un generador de mascara de derivaciones activas de doble modo y una unidad de control de amplitud de senal de referencia piloto.
US7457347B2 (en) 2004-11-08 2008-11-25 Interdigital Technology Corporation Method and apparatus for estimating and correcting baseband frequency error in a receiver
CN100364242C (zh) * 2005-09-13 2008-01-23 浙江华立通信集团有限公司 可嵌入Rake接收机系统
JP4699843B2 (ja) * 2005-09-15 2011-06-15 富士通株式会社 移動通信システム、並びに移動通信システムにおいて使用される基地局装置および移動局装置
CN101485118B (zh) 2006-07-07 2017-05-31 艾利森电话股份有限公司 共存网络的资源分配
US20080151980A1 (en) * 2006-12-22 2008-06-26 Bengt Lindoff Method of and apparatus for adaptive frequency error estimation
CN101060379B (zh) * 2007-05-28 2012-03-14 哈尔滨工程大学 载波频率估计方法
GB2489002A (en) * 2011-03-14 2012-09-19 Nujira Ltd Delay adjustment to reduce distortion in an envelope tracking transmitter
US9411583B2 (en) * 2011-12-22 2016-08-09 Intel Corporation Vector instruction for presenting complex conjugates of respective complex numbers
CN106664117B (zh) * 2014-11-27 2019-06-14 Lg电子株式会社 耙式接收机及其接收方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579338A (en) * 1992-06-29 1996-11-26 Mitsubishi Denki Kabushiki Kaisha Spread spectrum receiver using partial correlations
US5463627A (en) * 1993-02-23 1995-10-31 Matsushita Electric Industrial Co., Ltd. Frame synchronizing apparatus for quadrature modulation data communication radio receiver
CN1035586C (zh) * 1993-10-13 1997-08-06 Ntt移动通信网株式会社 扩频通信接收机
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
JPH11191896A (ja) 1997-12-25 1999-07-13 Sharp Corp Ｃｄｍａセルラーシステムの受信装置
US6175588B1 (en) 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
FI106592B (fi) * 1998-05-07 2001-02-28 Nokia Multimedia Network Termi Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä
JP2000049860A (ja) 1998-07-30 2000-02-18 Nec Corp パケット交換装置
US6289061B1 (en) * 1998-09-24 2001-09-11 Sharp Laboratories Of America, Inc. Wideband frequency tracking system and method
DE19845620A1 (de) 1998-10-05 2000-04-27 Systemonic Ag Verfahren zum Empfang von Spreizspektrumsignalen
US6278725B1 (en) * 1998-12-18 2001-08-21 Philips Electronics North America Corporation Automatic frequency control loop multipath combiner for a rake receiver
JP2001016135A (ja) * 1999-06-29 2001-01-19 Nec Corp 自動周波数制御方法と自動周波数制御方式とｃｄｍａ受信機
JP3637812B2 (ja) 1999-07-01 2005-04-13 三菱電機株式会社 Ｃｄｍａ通信装置
GB0017167D0 (en) 2000-07-13 2000-08-30 Henderson Stephen C Improved steered vehicle
JP3360069B2 (ja) * 2000-08-30 2002-12-24 株式会社東芝 自動周波数制御回路
GB2369275B (en) 2000-11-21 2004-07-07 Ubinetics Ltd A rake receiver and a method of providing a frequency error estimate

Also Published As

Publication number Publication date
CN1476683A (zh) 2004-02-18
ATE271282T1 (de) 2004-07-15
JP2004515106A (ja) 2004-05-20
GB2369275B (en) 2004-07-07
AU2002215133A1 (en) 2002-06-03
EP1336254B1 (de) 2004-07-14
GB0028374D0 (en) 2001-01-03
GB2369275A (en) 2002-05-22
CN1230991C (zh) 2005-12-07
KR20030051736A (ko) 2003-06-25
US7257150B2 (en) 2007-08-14
DE60104330T2 (de) 2005-08-04
WO2002043265A1 (en) 2002-05-30
EP1336254A1 (de) 2003-08-20
US20040110461A1 (en) 2004-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee