CN1947397B - 在通信系统中载波恢复时使用的方法和设备 - Google Patents
在通信系统中载波恢复时使用的方法和设备 Download PDFInfo
- Publication number
- CN1947397B CN1947397B CN200480042542XA CN200480042542A CN1947397B CN 1947397 B CN1947397 B CN 1947397B CN 200480042542X A CN200480042542X A CN 200480042542XA CN 200480042542 A CN200480042542 A CN 200480042542A CN 1947397 B CN1947397 B CN 1947397B
- Authority
- CN
- China
- Prior art keywords
- signal
- phase
- loop
- phase error
- pll
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 238000011084 recovery Methods 0.000 title abstract description 20
- 238000004891 communication Methods 0.000 title description 5
- 230000006870 function Effects 0.000 description 10
- 230000011664 signaling Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 230000014509 gene expression Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
-
- 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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0028—Correction of carrier offset at passband only
-
- 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
- H04L2027/0046—Open 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
- H04L2027/0057—Closed loops quadrature 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
- H04L2027/0067—Phase error detectors
-
- 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
- H04L2027/0073—Detection of synchronisation state
-
- 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
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)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/008743 WO2005096578A1 (en) | 2004-03-22 | 2004-03-22 | Method and apparatus for use in carrier recovery in a communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1947397A CN1947397A (zh) | 2007-04-11 |
CN1947397B true CN1947397B (zh) | 2010-06-16 |
Family
ID=34957634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480042542XA Expired - Lifetime CN1947397B (zh) | 2004-03-22 | 2004-03-22 | 在通信系统中载波恢复时使用的方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7894333B2 (zh) |
EP (1) | EP1728372B8 (zh) |
JP (1) | JP4541403B2 (zh) |
KR (1) | KR101074474B1 (zh) |
CN (1) | CN1947397B (zh) |
WO (1) | WO2005096578A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8184747B2 (en) * | 2005-11-14 | 2012-05-22 | Tektronix, Inc. | Flexible timebase for EYE diagram |
US8019028B1 (en) * | 2008-03-26 | 2011-09-13 | Pmc-Sierra, Inc. | Run-length based spectral analysis |
US8259888B2 (en) * | 2008-05-23 | 2012-09-04 | Integrated Device Technology, Inc. | Method of processing signal data with corrected clock phase offset |
TWI424719B (zh) * | 2009-06-03 | 2014-01-21 | Realtek Semiconductor Corp | 載波重建裝置與方法 |
US8228431B2 (en) * | 2009-08-31 | 2012-07-24 | Silicon Laboratories Inc. | Digital phase lock loop configurable as a frequency estimator |
US8570079B2 (en) | 2011-09-07 | 2013-10-29 | International Business Machines Corporation | Reducing phase locked loop phase lock time |
DE112012005953T5 (de) * | 2012-02-28 | 2014-11-20 | Intel Corporation | Dynamische Optimierung der Trägerwiedergewinnungsleistungsfähigkeit für Kommunikationssysteme |
CN104181559A (zh) * | 2013-05-24 | 2014-12-03 | 凹凸电子(武汉)有限公司 | 卫星定位接收机及其载波跟踪环路假锁检测方法 |
CN107888526A (zh) * | 2017-12-27 | 2018-04-06 | 天津赛特凯特科技发展有限公司 | 一种机顶盒频道滤波和载波恢复电路 |
EP3672070A1 (en) * | 2018-12-19 | 2020-06-24 | Nxp B.V. | Communications device and method for operating a communications device |
CN111917452B (zh) * | 2020-07-14 | 2022-11-29 | 成都国恒空间技术工程有限公司 | 一种大频偏抑制载波跟踪的方法及系统 |
CN113839900B (zh) * | 2021-10-09 | 2024-06-07 | 上海东软载波微电子有限公司 | 载波频偏估计方法及装置、计算机可读存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297650A (en) * | 1978-12-27 | 1981-10-27 | Nippon Electric Co., Ltd. | Phase locked loop carrier recovery circuit with false lock prevention |
CN1370366A (zh) * | 1999-06-19 | 2002-09-18 | 马科尼通讯股份有限公司 | Qam接收机的相位检测器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4987386A (en) * | 1989-10-03 | 1991-01-22 | Communications Satellite Corporation | Coherent phase and frequency recovery method and circuit |
FR2682841B1 (fr) * | 1991-10-21 | 1993-11-19 | Alcatel Telspace | Procede de detection de faux accrochages d'un signal de reference sur un signal initialement module en modulation numerique plurivalente decalee, procede de demodulation numerique coherente l'utilisant. |
US5471508A (en) * | 1993-08-20 | 1995-11-28 | Hitachi America, Ltd. | Carrier recovery system using acquisition and tracking modes and automatic carrier-to-noise estimation |
JPH10107623A (ja) * | 1996-10-01 | 1998-04-24 | Sony Corp | 変換装置および方法、並びに、pll演算装置および方法 |
US6151368A (en) * | 1999-03-22 | 2000-11-21 | Sicom, Inc. | Phase-noise compensated digital communication receiver and method therefor |
KR100338755B1 (ko) * | 1999-07-12 | 2002-05-30 | 윤종용 | 디지털 신호 수신장치 및 그 방법 |
US6298100B1 (en) * | 1999-10-26 | 2001-10-02 | Thomson Licensing S.A. | Phase error estimation method for a demodulator in an HDTV receiver |
KR100379395B1 (ko) * | 2000-08-23 | 2003-04-10 | 엘지전자 주식회사 | 반송파 복구 장치 및 방법 |
AU2001287229A1 (en) * | 2000-09-01 | 2002-03-13 | Broadcom Corporation | Satellite receiver |
JP3567886B2 (ja) | 2000-12-15 | 2004-09-22 | 三菱電機株式会社 | 位相同期ループ回路 |
JP4109003B2 (ja) * | 2002-01-21 | 2008-06-25 | 富士通株式会社 | 情報記録再生装置、信号復号回路及び方法 |
-
2004
- 2004-03-22 EP EP04821868A patent/EP1728372B8/en not_active Expired - Lifetime
- 2004-03-22 WO PCT/US2004/008743 patent/WO2005096578A1/en active Application Filing
- 2004-03-22 CN CN200480042542XA patent/CN1947397B/zh not_active Expired - Lifetime
- 2004-03-22 JP JP2007504928A patent/JP4541403B2/ja not_active Expired - Lifetime
- 2004-03-22 US US10/593,882 patent/US7894333B2/en active Active
-
2006
- 2006-09-21 KR KR1020067019502A patent/KR101074474B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297650A (en) * | 1978-12-27 | 1981-10-27 | Nippon Electric Co., Ltd. | Phase locked loop carrier recovery circuit with false lock prevention |
CN1370366A (zh) * | 1999-06-19 | 2002-09-18 | 马科尼通讯股份有限公司 | Qam接收机的相位检测器 |
Non-Patent Citations (1)
Title |
---|
Rolf Matzner et al.A Digital Transmission System Using QuaternaryPartialResponse CPM Principle Structure and MeasurementResults.PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON COMMUNICATIONS,IEEE3.1993,3732-736. * |
Also Published As
Publication number | Publication date |
---|---|
JP4541403B2 (ja) | 2010-09-08 |
US7894333B2 (en) | 2011-02-22 |
EP1728372B8 (en) | 2013-02-20 |
JP2007531390A (ja) | 2007-11-01 |
KR101074474B1 (ko) | 2011-10-17 |
KR20060129061A (ko) | 2006-12-14 |
EP1728372A1 (en) | 2006-12-06 |
WO2005096578A1 (en) | 2005-10-13 |
US20070189195A1 (en) | 2007-08-16 |
EP1728372B1 (en) | 2012-12-26 |
CN1947397A (zh) | 2007-04-11 |
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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 | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: French Boulogne Billancourt Patentee before: THOMSON LICENSING S.A. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190123 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190123 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100616 |