DE68916115T2 - Verfahren zur Demodulation eines mit kontinuierlicher Phase und konstanter Umhüllung digital-modulierten Signals. - Google Patents

Verfahren zur Demodulation eines mit kontinuierlicher Phase und konstanter Umhüllung digital-modulierten Signals.

Info

Publication number
DE68916115T2
DE68916115T2 DE68916115T DE68916115T DE68916115T2 DE 68916115 T2 DE68916115 T2 DE 68916115T2 DE 68916115 T DE68916115 T DE 68916115T DE 68916115 T DE68916115 T DE 68916115T DE 68916115 T2 DE68916115 T2 DE 68916115T2
Authority
DE
Germany
Prior art keywords
sheathing
demodulating
constant
continuous phase
signal modulated
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
Application number
DE68916115T
Other languages
English (en)
Other versions
DE68916115D1 (de
Inventor
Benoit Gelin
Michel Lebourg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE68916115D1 publication Critical patent/DE68916115D1/de
Publication of DE68916115T2 publication Critical patent/DE68916115T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
DE68916115T 1988-06-28 1989-06-22 Verfahren zur Demodulation eines mit kontinuierlicher Phase und konstanter Umhüllung digital-modulierten Signals. Expired - Fee Related DE68916115T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8808651A FR2633471B1 (fr) 1988-06-28 1988-06-28 Procede de demodulation coherente d'un signal module numeriquement en phase continue et a enveloppe constante

Publications (2)

Publication Number Publication Date
DE68916115D1 DE68916115D1 (de) 1994-07-21
DE68916115T2 true DE68916115T2 (de) 1995-02-02

Family

ID=9367793

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916115T Expired - Fee Related DE68916115T2 (de) 1988-06-28 1989-06-22 Verfahren zur Demodulation eines mit kontinuierlicher Phase und konstanter Umhüllung digital-modulierten Signals.

Country Status (6)

Country Link
US (1) US5151925A (de)
EP (1) EP0349064B1 (de)
JP (1) JP3031922B2 (de)
CA (1) CA1308450C (de)
DE (1) DE68916115T2 (de)
FR (1) FR2633471B1 (de)

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US5341402A (en) * 1991-02-19 1994-08-23 Tokyo Electric Co., Ltd. Automatic frequency control method and device for use in receiver
US5493710A (en) * 1991-08-02 1996-02-20 Hitachi, Ltd. Communication system having oscillation frequency calibrating function
US5425058A (en) * 1993-07-28 1995-06-13 Martin Marietta Corporation MSK phase acquisition and tracking method
FR2711028B1 (fr) * 1993-10-08 1995-11-17 Thomson Csf Procédé et dispositif de démodulation cohérente par blocs de signaux complexes modulés en phase.
US5511098A (en) * 1993-11-12 1996-04-23 Pacific Communication Sciences, Inc. Digital methods and apparatus reverse link signal detection and recovery in a mobile data base station
US5444743A (en) * 1993-11-18 1995-08-22 Hitachi America, Ltd. Synchronous pulse generator
US5459762A (en) * 1994-09-16 1995-10-17 Rockwell International Corporation Variable multi-threshold detection for 0.3-GMSK
US5684836A (en) * 1994-12-22 1997-11-04 Mitsubishi Denki Kabushiki Kaisha Receiver with automatic frequency control
US5625573A (en) * 1995-03-01 1997-04-29 Hughes Electronics Fast acquisition of GMSK-modulated signal for CDPD applications
EP0838111B1 (de) * 1995-07-07 2001-12-19 Nortel Networks Limited Trägerrückgewinnung für digital phasenmodulierte signale, mittels einer phasemmodulierte bekannten folge
US5796780A (en) * 1996-02-09 1998-08-18 Ericsson Inc. Coherent modulation of CPM signals
JP3086173B2 (ja) * 1996-06-18 2000-09-11 日本無線株式会社 同期確立方法及びこれを用いたデータ復調装置
EP0940958A1 (de) * 1998-03-03 1999-09-08 Sony International (Europe) GmbH Verfahren und Einrichtung zur digitalen Demodulation eines frequenzmodulierten Signals
US6449304B1 (en) * 1999-05-14 2002-09-10 The Aerospace Corporation Method of determining the carrier reference phase of coherent demodulation of frequency hopped continuous phase modulated signals with synch words arbitrarily located within the hop
EP1100224A1 (de) * 1999-11-10 2001-05-16 Koninklijke Philips Electronics N.V. Phasenschätzung bei Restfrequenzverschiebung
US6606363B1 (en) * 1999-12-28 2003-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols
CN1350729A (zh) * 2000-03-31 2002-05-22 三菱电机株式会社 频率自动控制方法和装置以及解调装置
ATE349843T1 (de) * 2000-06-27 2007-01-15 Koninkl Philips Electronics Nv Detektion und korrektur von phasensprüngen in einer phasenfolge
KR100525541B1 (ko) * 2000-12-04 2005-10-31 엘지전자 주식회사 통신시스템에서 위상 정보 추정 장치 및 방법
NZ509688A (en) 2001-02-01 2003-06-30 Ind Res Ltd Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol
KR100441196B1 (ko) * 2002-01-14 2004-07-21 기가텔레콤 (주) 연속 위상 직교 진폭 변조 및 복조 장치
JP3860762B2 (ja) * 2002-02-14 2006-12-20 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、チャネル同期確立方法、及び移動局
US7245672B2 (en) * 2002-06-27 2007-07-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for phase-domain semi-coherent demodulation
US7277504B2 (en) * 2002-06-27 2007-10-02 Telefonktiebolaget Lm Ericsson (Publ) Method and system for concurrent estimation of frequency offset and modulation index
US8126089B2 (en) * 2004-09-30 2012-02-28 Alcatel Lucent Method and apparatus for providing frame synchronization in a digital communication system that supports multiple modulation formats
US7616724B2 (en) * 2004-09-30 2009-11-10 Alcatel-Lucent Usa Inc. Method and apparatus for multi-modulation frame synchronization in a digital communication system
US20060209993A1 (en) * 2005-02-18 2006-09-21 Wei Lu Demodulator and receiver for pre-coded partial response signals
FR2979507B1 (fr) * 2011-08-25 2014-03-28 Diwel Dispositif de reception d'un signal numerique
CN107431906B (zh) 2015-04-15 2020-02-21 华为技术有限公司 参考信号发送与接收方法及装置
FR3085568B1 (fr) * 2018-08-31 2020-08-07 Zodiac Data Systems Procede de datation de signaux de telemesure

Family Cites Families (10)

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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
US4215239A (en) * 1977-12-05 1980-07-29 E-Systems, Inc. Apparatus for the acquisition of a carrier frequency and symbol timing lock
US4232197A (en) * 1978-08-25 1980-11-04 Bell Telephone Laboratories, Incorporated Processor for a TDMA burst modem
FR2525055A1 (fr) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
JPS5975743A (ja) * 1982-10-25 1984-04-28 Fujitsu Ltd クロツク再生回路
US4583048A (en) * 1985-02-26 1986-04-15 Rca Corporation MSK digital demodulator for burst communications
JPS62122345A (ja) * 1985-11-21 1987-06-03 Nippon Telegr & Teleph Corp <Ntt> 同期検波回路
US4715047A (en) * 1986-04-04 1987-12-22 Harris Corporation Digital differential phase shift keyed demodulator
US4847869A (en) * 1987-12-04 1989-07-11 Motorla, Inc. Rapid reference acquisition and phase error compensation for radio transmission of data
US4888793A (en) * 1988-05-06 1989-12-19 Motorola, Inc. Phase correcting DPSK/PSK receiver with digitally stored phase correction derived from received data

Also Published As

Publication number Publication date
CA1308450C (en) 1992-10-06
US5151925A (en) 1992-09-29
FR2633471A1 (fr) 1989-12-29
JP3031922B2 (ja) 2000-04-10
JPH0246044A (ja) 1990-02-15
FR2633471B1 (fr) 1990-10-05
EP0349064B1 (de) 1994-06-15
EP0349064A1 (de) 1990-01-03
DE68916115D1 (de) 1994-07-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee