DE69618200D1 - Trägerrückgewinnung für digital phasenmodulierte signale, mittels einer phasemmodulierte bekannten folge - Google Patents
Trägerrückgewinnung für digital phasenmodulierte signale, mittels einer phasemmodulierte bekannten folgeInfo
- Publication number
- DE69618200D1 DE69618200D1 DE69618200T DE69618200T DE69618200D1 DE 69618200 D1 DE69618200 D1 DE 69618200D1 DE 69618200 T DE69618200 T DE 69618200T DE 69618200 T DE69618200 T DE 69618200T DE 69618200 D1 DE69618200 D1 DE 69618200D1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- modulated
- known sequence
- carrier recovery
- modulated signals
- 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
Links
Classifications
-
- 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
- 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
- H04L2027/003—Correction of carrier offset at baseband 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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94895P | 1995-07-07 | 1995-07-07 | |
US1100696P | 1996-02-01 | 1996-02-01 | |
PCT/CA1996/000427 WO1997003510A1 (en) | 1995-07-07 | 1996-06-26 | Carrier recovery for digitally phase modulated signals, using a known sequence |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69618200D1 true DE69618200D1 (de) | 2002-01-31 |
DE69618200T2 DE69618200T2 (de) | 2002-06-20 |
Family
ID=26668344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69618200T Expired - Fee Related DE69618200T2 (de) | 1995-07-07 | 1996-06-26 | Trägerrückgewinnung für digital phasenmodulierte signale, mittels einer phasemmodulierte bekannten folge |
Country Status (6)
Country | Link |
---|---|
US (1) | US6031880A (de) |
EP (1) | EP0838111B1 (de) |
JP (1) | JP3148834B2 (de) |
CA (1) | CA2224992C (de) |
DE (1) | DE69618200T2 (de) |
WO (1) | WO1997003510A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3475066B2 (ja) | 1998-02-02 | 2003-12-08 | 三菱電機株式会社 | 復調装置 |
US6421399B1 (en) * | 1998-03-05 | 2002-07-16 | Agere Systems Guardian Corporation | Frequency and phase estimation for MPSK signals |
EP0974637A1 (de) | 1998-07-22 | 2000-01-26 | Engelhard Corporation | Hydrierungsverfahren |
US6330289B1 (en) * | 1998-10-16 | 2001-12-11 | Nortel Networks Limited | System for improving base station amplifier performance |
JP3930180B2 (ja) * | 1999-01-21 | 2007-06-13 | 富士通株式会社 | デジタル信号復調回路及び方法 |
US6577685B1 (en) * | 1999-08-02 | 2003-06-10 | Mitsubishi Electric Research Laboratories, Inc. | Programmable digital signal processor for demodulating digital television signals |
US6993095B2 (en) * | 2001-03-15 | 2006-01-31 | Texas Instruments Incorporated | Phase-locked loop initialization via curve-fitting |
US7239682B2 (en) * | 2002-11-12 | 2007-07-03 | Carnegie Mellon University | Timing recovery system and method |
US20040268208A1 (en) * | 2003-06-27 | 2004-12-30 | Seagate Technology Llc | Computation of branch metric values in a data detector |
US6980893B2 (en) * | 2003-11-21 | 2005-12-27 | The Boeing Company | Phase recovery filtering techniques for SCP throughput shortage |
US7551694B2 (en) | 2005-01-20 | 2009-06-23 | Marvell World Trade Ltd. | Limiter based analog demodulator |
CN108426942B (zh) * | 2018-02-05 | 2020-09-15 | 北京交通大学 | 数字锁相解调的滤波器的实现方法及装置 |
JP2020010206A (ja) | 2018-07-10 | 2020-01-16 | セイコーエプソン株式会社 | 回路装置、発振器、クロック信号生成装置、電子機器及び移動体 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2633471B1 (fr) * | 1988-06-28 | 1990-10-05 | Trt Telecom Radio Electr | Procede de demodulation coherente d'un signal module numeriquement en phase continue et a enveloppe constante |
US5165051A (en) * | 1990-05-15 | 1992-11-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Modified fast frequency acquisition via adaptive least squares algorithm |
FR2672454B1 (fr) * | 1991-01-31 | 1994-10-07 | Alcatel Telspace | Procede de demodulation coherente pour modulation a deplacement de phase et dispositif de mise en óoeuvre de ce procede. |
US5233632A (en) * | 1991-05-10 | 1993-08-03 | Motorola, Inc. | Communication system receiver apparatus and method for fast carrier acquisition |
US5249205A (en) * | 1991-09-03 | 1993-09-28 | General Electric Company | Order recursive lattice decision feedback equalization for digital cellular radio |
JP3100447B2 (ja) * | 1992-01-10 | 2000-10-16 | 三菱電機株式会社 | 適応等化器および受信機 |
US5432816A (en) * | 1992-04-10 | 1995-07-11 | International Business Machines Corporation | System and method of robust sequence estimation in the presence of channel mismatch conditions |
US5432821A (en) * | 1992-12-02 | 1995-07-11 | University Of Southern California | System and method for estimating data sequences in digital transmissions |
JP2522144B2 (ja) * | 1993-01-14 | 1996-08-07 | 日本電気株式会社 | 位相曖昧度除去回路 |
JP3153869B2 (ja) * | 1993-05-11 | 2001-04-09 | 株式会社日立国際電気 | フェージング歪補償方式及びその回路 |
GB2281179B (en) * | 1993-08-18 | 1998-03-11 | Roke Manor Research | Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit |
US5619503A (en) * | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
-
1996
- 1996-06-26 JP JP50537597A patent/JP3148834B2/ja not_active Expired - Fee Related
- 1996-06-26 DE DE69618200T patent/DE69618200T2/de not_active Expired - Fee Related
- 1996-06-26 WO PCT/CA1996/000427 patent/WO1997003510A1/en active IP Right Grant
- 1996-06-26 EP EP96918568A patent/EP0838111B1/de not_active Expired - Lifetime
- 1996-06-26 CA CA002224992A patent/CA2224992C/en not_active Expired - Fee Related
- 1996-07-02 US US08/674,725 patent/US6031880A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6031880A (en) | 2000-02-29 |
CA2224992A1 (en) | 1997-01-30 |
EP0838111A1 (de) | 1998-04-29 |
JPH10512417A (ja) | 1998-11-24 |
WO1997003510A1 (en) | 1997-01-30 |
EP0838111B1 (de) | 2001-12-19 |
DE69618200T2 (de) | 2002-06-20 |
CA2224992C (en) | 2001-02-06 |
JP3148834B2 (ja) | 2001-03-26 |
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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 |