JP3761587B2 - 連続調整可能な帯域幅を伴う位相同期ループ - Google Patents

連続調整可能な帯域幅を伴う位相同期ループ Download PDF

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JP3761587B2
JP3761587B2 JP53972498A JP53972498A JP3761587B2 JP 3761587 B2 JP3761587 B2 JP 3761587B2 JP 53972498 A JP53972498 A JP 53972498A JP 53972498 A JP53972498 A JP 53972498A JP 3761587 B2 JP3761587 B2 JP 3761587B2
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phase
signal
bandwidth
information signal
corrected information
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JP2001514831A5 (enExample
JP2001514831A (ja
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ケイ． メゼッヒャー，デイヴィッド
ヤン，ルイ
セルダ，ラモン
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インターディジタル テクノロジー コーポレーション
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    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • 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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04L2027/0053—Closed loops
    • 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
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • 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
    • H04L2027/0069—Loop filters
    • 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
    • H04L2027/0071—Control of loops
    • H04L2027/0079—Switching between loops
    • H04L2027/0081—Switching between loops between loops of different bandwidths

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Arc Welding Control (AREA)
  • Networks Using Active Elements (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Superheterodyne Receivers (AREA)
JP53972498A 1997-03-12 1998-03-11 連続調整可能な帯域幅を伴う位相同期ループ Expired - Fee Related JP3761587B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US3791497P 1997-03-12 1997-03-12
US60/037,914 1997-03-12
US08/871,109 1997-06-09
US08/871,109 US6055231A (en) 1997-03-12 1997-06-09 Continuously adjusted-bandwidth discrete-time phase-locked loop
PCT/US1998/004691 WO1998040991A1 (en) 1997-03-12 1998-03-11 Phase-locked loop with continuously adjustable bandwith

Publications (3)

Publication Number Publication Date
JP2001514831A JP2001514831A (ja) 2001-09-11
JP2001514831A5 JP2001514831A5 (enExample) 2004-11-25
JP3761587B2 true JP3761587B2 (ja) 2006-03-29

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JP53972498A Expired - Fee Related JP3761587B2 (ja) 1997-03-12 1998-03-11 連続調整可能な帯域幅を伴う位相同期ループ

Country Status (8)

Country Link
US (5) US6055231A (enExample)
EP (1) EP0966819B1 (enExample)
JP (1) JP3761587B2 (enExample)
AT (1) ATE287171T1 (enExample)
DE (2) DE69828589T2 (enExample)
DK (1) DK0966819T3 (enExample)
ES (1) ES2144985T3 (enExample)
WO (1) WO1998040991A1 (enExample)

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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
US20070168085A1 (en) * 2005-11-18 2007-07-19 Guilford John H Systems and method for adaptively adjusting a control loop
US7391271B2 (en) * 2006-06-22 2008-06-24 International Business Machines Corporation Adjustment of PLL bandwidth for jitter control using feedback circuitry
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KR100929776B1 (ko) * 2007-11-26 2009-12-03 한국전자통신연구원 리커시브 복조 장치 및 방법
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Also Published As

Publication number Publication date
ES2144985T1 (es) 2000-07-01
US7145894B2 (en) 2006-12-05
US6608826B1 (en) 2003-08-19
US6055231A (en) 2000-04-25
EP0966819B1 (en) 2005-01-12
HK1024365A1 (en) 2000-10-05
ATE287171T1 (de) 2005-01-15
DE69828589T2 (de) 2006-03-16
DE69828589D1 (de) 2005-02-17
DE966819T1 (de) 2000-10-05
US20040032842A1 (en) 2004-02-19
JP2001514831A (ja) 2001-09-11
US6940875B2 (en) 2005-09-06
EP0966819A1 (en) 1999-12-29
ES2144985T3 (es) 2005-06-16
US20070047511A1 (en) 2007-03-01
US20050243790A1 (en) 2005-11-03
DK0966819T3 (da) 2005-05-23
WO1998040991A1 (en) 1998-09-17

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