DE69828589D1 - Phasenregelkreis mit stufenlos einstellbarer bandbreite - Google Patents
Phasenregelkreis mit stufenlos einstellbarer bandbreiteInfo
- Publication number
- DE69828589D1 DE69828589D1 DE69828589T DE69828589T DE69828589D1 DE 69828589 D1 DE69828589 D1 DE 69828589D1 DE 69828589 T DE69828589 T DE 69828589T DE 69828589 T DE69828589 T DE 69828589T DE 69828589 D1 DE69828589 D1 DE 69828589D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- phase
- correction
- correction signal
- bandwidth
- 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 - Lifetime
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
- H04B1/7073—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
Landscapes
- 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)
- Networks Using Active Elements (AREA)
- Arc Welding Control (AREA)
- Superheterodyne Receivers (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3791497P | 1997-03-12 | 1997-03-12 | |
US37914P | 1997-03-12 | ||
US871109 | 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 (2)
Publication Number | Publication Date |
---|---|
DE69828589D1 true DE69828589D1 (de) | 2005-02-17 |
DE69828589T2 DE69828589T2 (de) | 2006-03-16 |
Family
ID=26714619
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69828589T Expired - Lifetime DE69828589T2 (de) | 1997-03-12 | 1998-03-11 | Phasenregelkreis mit stufenlos einstellbarer bandbreite |
DE0966819T Pending DE966819T1 (de) | 1997-03-12 | 1998-03-11 | Phasenregelkreis mit stufenlos einstellbarer bandbreite |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE0966819T Pending DE966819T1 (de) | 1997-03-12 | 1998-03-11 | Phasenregelkreis mit stufenlos einstellbarer bandbreite |
Country Status (9)
Country | Link |
---|---|
US (5) | US6055231A (de) |
EP (1) | EP0966819B1 (de) |
JP (1) | JP3761587B2 (de) |
AT (1) | ATE287171T1 (de) |
DE (2) | DE69828589T2 (de) |
DK (1) | DK0966819T3 (de) |
ES (1) | ES2144985T3 (de) |
HK (1) | HK1024365A1 (de) |
WO (1) | WO1998040991A1 (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6055231A (en) * | 1997-03-12 | 2000-04-25 | Interdigital Technology Corporation | Continuously adjusted-bandwidth discrete-time phase-locked loop |
US6259687B1 (en) * | 1997-10-31 | 2001-07-10 | Interdigital Technology Corporation | Communication station with multiple antennas |
US6208632B1 (en) * | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
US6366607B1 (en) * | 1998-05-14 | 2002-04-02 | Interdigital Technology Corporation | Processing for improved performance and reduced pilot |
US6363102B1 (en) * | 1999-04-23 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for frequency offset correction |
KR100490717B1 (ko) | 2000-03-28 | 2005-05-24 | 인터디지탈 테크날러지 코포레이션 | 전송 전에 사전 회전을 이용하는 코드 분할 다중 접속시스템 |
AU7397501A (en) * | 2000-05-05 | 2001-11-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus to estimate frequency offset in a receiver |
US6728301B1 (en) | 2000-07-07 | 2004-04-27 | Texas Instruments Incorporated | System and method for automatic frequency control in spread spectrum communications |
US6683920B1 (en) | 2000-09-22 | 2004-01-27 | Applied Micro Circuits Corporation | Dual-loop system and method for frequency acquisition and tracking |
JP2002280935A (ja) * | 2001-03-19 | 2002-09-27 | Sumitomo Electric Ind Ltd | 電力線搬送におけるマルチキャリア通信装置及び通信方法 |
FR2824431A1 (fr) * | 2001-05-03 | 2002-11-08 | Mitsubishi Electric Inf Tech | Methode et dispositif de reception de signal |
US7088955B2 (en) * | 2001-07-16 | 2006-08-08 | Qualcomm Inc. | Method and apparatus for acquiring and tracking pilots in a CDMA communication system |
US6904286B1 (en) * | 2001-07-18 | 2005-06-07 | Cisco Technology, Inc. | Method and system of integrated rate control for a traffic flow across wireline and wireless networks |
US7430191B2 (en) * | 2001-09-10 | 2008-09-30 | Qualcomm Incorporated | Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system |
WO2003047281A1 (en) * | 2001-11-26 | 2003-06-05 | Nokia Corporation | Mac layer inverse multiplexing in a third generation ran |
US7161996B1 (en) | 2002-02-05 | 2007-01-09 | Airgo Networks, Inc. | Multi-antenna wireless receiver chains with vector decoding |
JP3642053B2 (ja) * | 2002-02-25 | 2005-04-27 | 日本電気株式会社 | シンボルデータ変換回路 |
US6760362B2 (en) * | 2002-03-15 | 2004-07-06 | Qualcomm Incorporated | Dynamic pilot filter bandwidth estimation |
US7209532B2 (en) * | 2002-03-28 | 2007-04-24 | Harris Corporation | Phase lock loop and method for coded waveforms |
US8306176B2 (en) * | 2002-06-19 | 2012-11-06 | Texas Instruments Incorporated | Fine-grained gear-shifting of a digital phase-locked loop (PLL) |
WO2004014005A1 (en) * | 2002-07-31 | 2004-02-12 | Thomson Licensing S.A. | Extracting the phase of an ofdm signal sample |
US7760616B2 (en) * | 2002-07-31 | 2010-07-20 | Thomson Licensing | Extracting the phase of an OFDM signal sample |
EP1394974A3 (de) * | 2002-08-30 | 2005-08-03 | Zarlink Semiconductor Limited | Adaptive Taktrückgewinnung für Paketnetzwerke |
US7599332B2 (en) * | 2004-04-05 | 2009-10-06 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices |
US7916803B2 (en) | 2003-04-10 | 2011-03-29 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices |
US8743837B2 (en) * | 2003-04-10 | 2014-06-03 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices |
US7646836B1 (en) * | 2005-03-01 | 2010-01-12 | Network Equipment Technologies, Inc. | Dynamic clock rate matching across an asynchronous network |
US20060285618A1 (en) * | 2005-06-21 | 2006-12-21 | Ehud Shoor | Adaptive phase recovery |
US7369002B2 (en) * | 2005-07-28 | 2008-05-06 | Zarlink Semiconductor, Inc. | Phase locked loop fast lock method |
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 |
US7751514B2 (en) * | 2007-05-23 | 2010-07-06 | Mediatek Inc. | System and method of detecting burst noise and minimizing the effect of burst noise |
KR100929776B1 (ko) * | 2007-11-26 | 2009-12-03 | 한국전자통신연구원 | 리커시브 복조 장치 및 방법 |
GB0800251D0 (en) | 2008-01-08 | 2008-02-13 | Zarlink Semiconductor Inc | Phase locked loop with adaptive filter for dco synchronization |
WO2011058438A1 (en) * | 2009-11-12 | 2011-05-19 | Precyse Technologies, Inc. | Location method and system using colliding signals |
KR101201116B1 (ko) | 2010-08-17 | 2012-11-13 | 성균관대학교산학협력단 | 동적 루프 대역을 갖는 위상고정루프 및 동적 루프 대역을 사용하여 기준신호에 동기하는 출력신호를 생성하는 방법 |
CN102369706B (zh) * | 2010-09-02 | 2013-10-09 | 华为技术有限公司 | 相位偏移和抖动补偿器 |
CN103312321A (zh) * | 2012-03-09 | 2013-09-18 | 联想(北京)有限公司 | 带宽调整方法、调节装置、锁相环电路和电子设备 |
TWI605686B (zh) * | 2016-12-01 | 2017-11-11 | 晨星半導體股份有限公司 | 鎖相迴路單元的頻寬調整方法與相關的頻寬調整單元及相位回復模組 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983501A (en) * | 1975-09-29 | 1976-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Hybrid tracking loop for detecting phase shift keyed signals |
US4243941A (en) * | 1978-12-07 | 1981-01-06 | Motorola, Inc. | Digital signal receiver having a dual bandwidth tracking loop |
US4354277A (en) * | 1979-11-23 | 1982-10-12 | Trw Inc. | Signal acquisition system |
US4513429A (en) * | 1981-12-03 | 1985-04-23 | The United States Of America As Represented By The Secretary Of The Air Force | Sample data phase locked loop for adaptive doppler tracker |
US4630283A (en) * | 1985-07-17 | 1986-12-16 | Rca Corporation | Fast acquisition burst mode spread spectrum communications system with pilot carrier |
US5029180A (en) * | 1989-03-23 | 1991-07-02 | Echelon Systems Corporation | Transceiver providing selectable frequencies and spreading sequences |
JPH082060B2 (ja) * | 1989-09-13 | 1996-01-10 | 日本電気株式会社 | 搬送波再生方式およびディジタル位相復調装置 |
US5065107A (en) * | 1990-04-19 | 1991-11-12 | University Of Saskatchewan | Phase-locked loop bandwidth switching demodulator for suppressed carrier signals |
FR2661752B1 (fr) * | 1990-05-07 | 1992-07-10 | Dassault Electronique | Recepteur d'un signal electromagnetique de frequence nominale connue susceptible d'etre affecte d'une variation inconnue, notamment par decalage doppler. |
US5166952A (en) * | 1990-05-24 | 1992-11-24 | Cylink Corporation | Method and apparatus for the reception and demodulation of spread spectrum radio signals |
US5390207A (en) * | 1990-11-28 | 1995-02-14 | Novatel Communications Ltd. | Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators |
US5101416A (en) * | 1990-11-28 | 1992-03-31 | Novatel Comunications Ltd. | Multi-channel digital receiver for global positioning system |
US5175729A (en) * | 1991-06-05 | 1992-12-29 | Motorola, Inc. | Radio with fast lock phase-locked loop |
US5142246A (en) * | 1991-06-19 | 1992-08-25 | Telefonaktiebolaget L M Ericsson | Multi-loop controlled VCO |
US5325405A (en) * | 1991-08-27 | 1994-06-28 | Motorola, Inc. | Burst mode receiver control |
US5384550A (en) * | 1992-09-18 | 1995-01-24 | Rockwell International Corporation | Loop transient response estimator for improved acquisition performance |
DE69406151T2 (de) * | 1993-01-13 | 1998-04-02 | Koninkl Philips Electronics Nv | Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen |
JPH06338829A (ja) * | 1993-05-28 | 1994-12-06 | American Teleph & Telegr Co <Att> | 通信システム内の反響除去方法と装置 |
IL111469A0 (en) * | 1993-11-01 | 1994-12-29 | Omnipoint Corp | Despreading/demodulating direct sequence spread spectrum signals |
CN1167215C (zh) * | 1994-06-23 | 2004-09-15 | Ntt移动通信网株式会社 | 码分多址联接解调方法 |
US5619524A (en) * | 1994-10-04 | 1997-04-08 | Motorola, Inc. | Method and apparatus for coherent communication reception in a spread-spectrum communication system |
ZA9510509B (en) * | 1994-12-23 | 1996-05-30 | Qualcomm Inc | Dual-mode digital FM communication system |
US5640431A (en) * | 1995-03-10 | 1997-06-17 | Motorola, Inc. | Method and apparatus for offset frequency estimation for a coherent receiver |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
JP3013763B2 (ja) * | 1995-08-25 | 2000-02-28 | 日本電気株式会社 | キャリア同期ユニット |
US5970093A (en) * | 1996-01-23 | 1999-10-19 | Tiernan Communications, Inc. | Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals |
US5754583A (en) * | 1996-05-06 | 1998-05-19 | Motorola, Inc. | Communication device and method for determining finger lock status in a radio receiver |
US6101176A (en) * | 1996-07-24 | 2000-08-08 | Nokia Mobile Phones | Method and apparatus for operating an indoor CDMA telecommunications system |
US5900785A (en) * | 1996-11-13 | 1999-05-04 | Ericsson Inc. | System and method for offsetting load switching transients in a frequency synthesizer |
US6115411A (en) * | 1996-12-31 | 2000-09-05 | Lucent Technologies, Inc. | System and method for spread spectrum code position modulation and wireless local area network employing the same |
US6055231A (en) * | 1997-03-12 | 2000-04-25 | Interdigital Technology Corporation | Continuously adjusted-bandwidth discrete-time phase-locked loop |
-
1997
- 1997-06-09 US US08/871,109 patent/US6055231A/en not_active Expired - Lifetime
-
1998
- 1998-03-11 JP JP53972498A patent/JP3761587B2/ja not_active Expired - Fee Related
- 1998-03-11 DE DE69828589T patent/DE69828589T2/de not_active Expired - Lifetime
- 1998-03-11 EP EP98910290A patent/EP0966819B1/de not_active Expired - Lifetime
- 1998-03-11 AT AT98910290T patent/ATE287171T1/de not_active IP Right Cessation
- 1998-03-11 DE DE0966819T patent/DE966819T1/de active Pending
- 1998-03-11 WO PCT/US1998/004691 patent/WO1998040991A1/en active IP Right Grant
- 1998-03-11 ES ES98910290T patent/ES2144985T3/es not_active Expired - Lifetime
- 1998-03-11 DK DK98910290T patent/DK0966819T3/da active
-
2000
- 2000-04-24 US US09/558,686 patent/US6608826B1/en not_active Expired - Fee Related
- 2000-06-19 HK HK00103671A patent/HK1024365A1/xx not_active IP Right Cessation
-
2003
- 2003-08-19 US US10/643,792 patent/US6940875B2/en not_active Expired - Fee Related
-
2005
- 2005-07-06 US US11/175,924 patent/US7145894B2/en not_active Expired - Fee Related
-
2006
- 2006-10-30 US US11/590,449 patent/US20070047511A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE966819T1 (de) | 2000-10-05 |
DE69828589T2 (de) | 2006-03-16 |
US6055231A (en) | 2000-04-25 |
ES2144985T1 (es) | 2000-07-01 |
WO1998040991A1 (en) | 1998-09-17 |
US20070047511A1 (en) | 2007-03-01 |
US6608826B1 (en) | 2003-08-19 |
US20040032842A1 (en) | 2004-02-19 |
ES2144985T3 (es) | 2005-06-16 |
ATE287171T1 (de) | 2005-01-15 |
US7145894B2 (en) | 2006-12-05 |
US6940875B2 (en) | 2005-09-06 |
JP2001514831A (ja) | 2001-09-11 |
EP0966819B1 (de) | 2005-01-12 |
EP0966819A1 (de) | 1999-12-29 |
DK0966819T3 (da) | 2005-05-23 |
HK1024365A1 (en) | 2000-10-05 |
JP3761587B2 (ja) | 2006-03-29 |
US20050243790A1 (en) | 2005-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |