DE69429938D1 - Einrichtung zur Beseitigung der Phasenunbestimmtheit - Google Patents

Einrichtung zur Beseitigung der Phasenunbestimmtheit

Info

Publication number
DE69429938D1
DE69429938D1 DE69429938T DE69429938T DE69429938D1 DE 69429938 D1 DE69429938 D1 DE 69429938D1 DE 69429938 T DE69429938 T DE 69429938T DE 69429938 T DE69429938 T DE 69429938T DE 69429938 D1 DE69429938 D1 DE 69429938D1
Authority
DE
Germany
Prior art keywords
phase uncertainty
eliminating phase
eliminating
uncertainty
phase
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
DE69429938T
Other languages
English (en)
Other versions
DE69429938T2 (de
Inventor
Tonoyuki Ooi
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69429938D1 publication Critical patent/DE69429938D1/de
Application granted granted Critical
Publication of DE69429938T2 publication Critical patent/DE69429938T2/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
    • 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)
DE69429938T 1993-03-19 1994-03-18 Einrichtung zur Beseitigung der Phasenunbestimmtheit Expired - Fee Related DE69429938T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5999693A JP2513116B2 (ja) 1993-03-19 1993-03-19 位相曖昧度除去回路

Publications (2)

Publication Number Publication Date
DE69429938D1 true DE69429938D1 (de) 2002-04-04
DE69429938T2 DE69429938T2 (de) 2002-06-27

Family

ID=13129294

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429938T Expired - Fee Related DE69429938T2 (de) 1993-03-19 1994-03-18 Einrichtung zur Beseitigung der Phasenunbestimmtheit

Country Status (4)

Country Link
US (1) US5566184A (de)
EP (1) EP0618707B1 (de)
JP (1) JP2513116B2 (de)
DE (1) DE69429938T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822339A (en) * 1996-05-30 1998-10-13 Rockwell International Data decoder and method to correct inversions or phase ambiguity for M-ary transmitted data
JP3115255B2 (ja) * 1997-06-13 2000-12-04 株式会社ケンウッド 絶対位相化回路
WO1999000955A1 (fr) * 1997-06-30 1999-01-07 Kabushiki Kaisha Kenwood Circuit d'acquisition de synchronisation pour mise en phase absolue
BRPI0206906B1 (pt) * 2001-12-03 2018-09-25 Nokia Corp método e aparelho para recuperar a informação da árvore lógica do nó móvel
JP5168111B2 (ja) * 2008-11-28 2013-03-21 日本電気株式会社 位相不確定性除去機能を有する復調器およびそのキャリアスリップ補償方法
EP2819327B1 (de) * 2013-06-28 2018-04-11 Alcatel Lucent Verfahren zur optischen Datenübertragung unter Verwendung von Polarisationsmultiplexing und QPSK
CN111147415B (zh) * 2019-12-23 2022-05-31 东方红卫星移动通信有限公司 一种低轨卫星mapsk通信系统的相位跟踪方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736507A (en) * 1971-08-19 1973-05-29 Communications Satellite Co Phase ambiguity resolution for four phase psk communications systems
US4022973A (en) * 1975-05-12 1977-05-10 General Electric Company Apparatus for indicating synchronization and out-of-synchronization conditions
US4494239A (en) * 1982-05-26 1985-01-15 At&T Bell Laboratories Frame synchronization and phase ambiguity resolution in QAM transmission systems
JPS59134951A (ja) * 1983-01-24 1984-08-02 Fujitsu Ltd 軟判定位相不確定除去方式
JPS60227544A (ja) * 1984-04-25 1985-11-12 Fujitsu Ltd ユニ−クワ−ド検出装置
JPS62216557A (ja) * 1986-03-18 1987-09-24 Nec Corp 位相▲あい▼▲まい▼度除去回路
JPS63120538A (ja) * 1986-11-08 1988-05-24 Nec Corp タイミング再生回路
US5025455A (en) * 1989-11-30 1991-06-18 The United States Of America As Represented By The Administer, National Aeronautics And Space Administration Phase ambiguity resolution for offset QPSK modulation systems
JP2999220B2 (ja) * 1990-05-16 2000-01-17 協和醗酵工業株式会社 粉末酒粕の製造法

Also Published As

Publication number Publication date
JP2513116B2 (ja) 1996-07-03
EP0618707B1 (de) 2002-02-27
EP0618707A2 (de) 1994-10-05
DE69429938T2 (de) 2002-06-27
JPH06276239A (ja) 1994-09-30
EP0618707A3 (en) 1995-09-27
US5566184A (en) 1996-10-15

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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