DE69332139T2 - Empfänger für digitale Nachrichtensysteme - Google Patents
Empfänger für digitale NachrichtensystemeInfo
- Publication number
- DE69332139T2 DE69332139T2 DE69332139T DE69332139T DE69332139T2 DE 69332139 T2 DE69332139 T2 DE 69332139T2 DE 69332139 T DE69332139 T DE 69332139T DE 69332139 T DE69332139 T DE 69332139T DE 69332139 T2 DE69332139 T2 DE 69332139T2
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- messaging systems
- digital messaging
- digital
- systems
- 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
- 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
- H04L2027/0063—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
- H04L2027/0063—Elements of loops
- H04L2027/0069—Loop filters
-
- 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)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10650192 | 1992-04-24 | ||
PCT/JP1993/000510 WO1993022861A1 (en) | 1992-04-24 | 1993-04-20 | Receiver for digital communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69332139D1 DE69332139D1 (de) | 2002-08-29 |
DE69332139T2 true DE69332139T2 (de) | 2003-03-27 |
Family
ID=14435189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69332139T Expired - Lifetime DE69332139T2 (de) | 1992-04-24 | 1993-04-20 | Empfänger für digitale Nachrichtensysteme |
Country Status (5)
Country | Link |
---|---|
US (2) | US5602881A (de) |
EP (1) | EP0592686B1 (de) |
CA (1) | CA2112221A1 (de) |
DE (1) | DE69332139T2 (de) |
WO (1) | WO1993022861A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69502250T2 (de) * | 1994-08-25 | 1998-10-29 | Philips Electronics Nv | Digitales Übertragungssystem mit einer doppelten Synchronisierungsschleife |
JP3482722B2 (ja) * | 1995-01-13 | 2004-01-06 | ソニー株式会社 | Tdma方式の受信機 |
JP3414558B2 (ja) * | 1995-08-25 | 2003-06-09 | 沖電気工業株式会社 | 最大相関値タイミング推定回路及び受信装置 |
GB2309866A (en) * | 1996-01-30 | 1997-08-06 | Sony Corp | Frequency error detection in mobile radio communications |
US6097770A (en) * | 1996-10-31 | 2000-08-01 | Lucent Technologies Inc. | Frequency offset estimation for wireless systems based on channel impulse response |
US6208617B1 (en) * | 1998-02-27 | 2001-03-27 | Lucent Technologies, Inc. | Channel tracking in a mobile receiver |
KR100294711B1 (ko) * | 1999-03-15 | 2001-07-12 | 서평원 | 최적의 파일럿 심볼을 이용한 프레임 동기 방법 |
US6721299B1 (en) * | 1999-03-15 | 2004-04-13 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
KR100606673B1 (ko) * | 1999-06-24 | 2006-08-01 | 엘지전자 주식회사 | 파일럿 패턴을 이용한 프레임 동기 방법 |
US7643540B2 (en) * | 1999-03-15 | 2010-01-05 | Lg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
US7496132B2 (en) * | 1999-03-15 | 2009-02-24 | Kg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
US6891815B1 (en) * | 1999-03-15 | 2005-05-10 | Young-Joon Song | Pilot signals for synchronization and/or channel estimation |
US6363102B1 (en) * | 1999-04-23 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for frequency offset correction |
KR100710344B1 (ko) | 1999-06-24 | 2007-04-23 | 엘지전자 주식회사 | 이동통신 시스템에서의 무선 프레임 구조 및 파일롯 패턴전송 방법 |
US8363757B1 (en) * | 1999-10-12 | 2013-01-29 | Qualcomm Incorporated | Method and apparatus for eliminating the effects of frequency offsets in a digital communication system |
US6928120B1 (en) * | 2000-09-25 | 2005-08-09 | Cingular Wireless Ii, Llc | Methods and apparatus for use in reducing residual phase error in OFDM communication signals |
GB2379840A (en) * | 2001-09-13 | 2003-03-19 | Ipwireless Inc | Automatic frequency correction |
US7020222B2 (en) * | 2001-10-24 | 2006-03-28 | Texas Instruments Incorporated | Efficient method and system for offset phasor determination |
JP3973543B2 (ja) * | 2002-11-20 | 2007-09-12 | 三洋電機株式会社 | 受信方法と装置 |
WO2010021014A1 (ja) | 2008-08-21 | 2010-02-25 | 富士通株式会社 | 周波数偏差推定装置および方法 |
EP3672070A1 (de) * | 2018-12-19 | 2020-06-24 | Nxp B.V. | Kommunikationsvorrichtung und verfahren zum betrieb einer kommunikationsvorrichtung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5963849A (ja) * | 1982-10-04 | 1984-04-11 | Nec Corp | キヤリア位相制御装置 |
JPS6055763A (ja) * | 1983-09-06 | 1985-04-01 | Hitachi Denshi Ltd | 位相制御方法 |
JPS60141056A (ja) * | 1983-12-28 | 1985-07-26 | Hitachi Denshi Ltd | キヤリヤ位相制御装置 |
US4599732A (en) * | 1984-04-17 | 1986-07-08 | Harris Corporation | Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format |
EP0366159A1 (de) * | 1986-01-18 | 1990-05-02 | Hewlett-Packard Limited | Beeinflussungsfreier Analysator zur Erfassung von Kanalstörungen |
US4873683A (en) * | 1987-12-04 | 1989-10-10 | Motorola, Inc. | TDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fading |
US5121414A (en) * | 1990-08-09 | 1992-06-09 | Motorola, Inc. | Carrier frequency offset equalization |
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. |
US5245611A (en) * | 1991-05-31 | 1993-09-14 | Motorola, Inc. | Method and apparatus for providing carrier frequency offset compensation in a tdma communication system |
-
1993
- 1993-04-20 EP EP93908119A patent/EP0592686B1/de not_active Expired - Lifetime
- 1993-04-20 US US08/167,967 patent/US5602881A/en not_active Expired - Lifetime
- 1993-04-20 CA CA002112221A patent/CA2112221A1/en not_active Abandoned
- 1993-04-20 WO PCT/JP1993/000510 patent/WO1993022861A1/ja active IP Right Grant
- 1993-04-20 DE DE69332139T patent/DE69332139T2/de not_active Expired - Lifetime
-
1996
- 1996-10-25 US US08/736,767 patent/US5751776A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2112221A1 (en) | 1993-11-11 |
EP0592686A1 (de) | 1994-04-20 |
EP0592686A4 (en) | 1999-09-15 |
DE69332139D1 (de) | 2002-08-29 |
WO1993022861A1 (en) | 1993-11-11 |
US5602881A (en) | 1997-02-11 |
US5751776A (en) | 1998-05-12 |
EP0592686B1 (de) | 2002-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CANON KABUSHIKI KAISHA, TOKIO/TOKYO, JP |