DE69327500D1 - Trägerphasenverriegelungsdetektor für PSK-Satellitensysteme - Google Patents

Trägerphasenverriegelungsdetektor für PSK-Satellitensysteme

Info

Publication number
DE69327500D1
DE69327500D1 DE69327500T DE69327500T DE69327500D1 DE 69327500 D1 DE69327500 D1 DE 69327500D1 DE 69327500 T DE69327500 T DE 69327500T DE 69327500 T DE69327500 T DE 69327500T DE 69327500 D1 DE69327500 D1 DE 69327500D1
Authority
DE
Germany
Prior art keywords
psk
carrier phase
phase lock
satellite systems
lock detector
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
DE69327500T
Other languages
English (en)
Other versions
DE69327500T2 (de
Inventor
Hiroki Tsuda
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 DE69327500D1 publication Critical patent/DE69327500D1/de
Application granted granted Critical
Publication of DE69327500T2 publication Critical patent/DE69327500T2/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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2277—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using remodulation
    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • 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
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
DE69327500T 1992-10-13 1993-10-12 Trägerphasenverriegelungsdetektor für PSK-Satellitensysteme Expired - Fee Related DE69327500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4273934A JP2932861B2 (ja) 1992-10-13 1992-10-13 位相同期検出回路

Publications (2)

Publication Number Publication Date
DE69327500D1 true DE69327500D1 (de) 2000-02-10
DE69327500T2 DE69327500T2 (de) 2000-09-07

Family

ID=17534612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327500T Expired - Fee Related DE69327500T2 (de) 1992-10-13 1993-10-12 Trägerphasenverriegelungsdetektor für PSK-Satellitensysteme

Country Status (7)

Country Link
US (1) US5533059A (de)
EP (1) EP0593015B1 (de)
JP (1) JP2932861B2 (de)
CN (1) CN1066597C (de)
AU (1) AU678773B2 (de)
CA (1) CA2108217C (de)
DE (1) DE69327500T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3467888B2 (ja) * 1995-02-08 2003-11-17 三菱電機株式会社 受信装置及び送受信装置
US5867503A (en) * 1996-01-30 1999-02-02 Mitsubishi Denki Kabushiki Kaisha Digital sound broadcasting receiver and automatic phase controlling method therefor
GB2310091B (en) * 1996-02-06 2000-06-07 Nec Corp Frequency sweep circuit
US5881110A (en) * 1996-11-29 1999-03-09 Sicom, Inc. Carrier phase synchronization by reverse playback
JPH10233816A (ja) * 1997-02-21 1998-09-02 Sharp Corp デジタル衛星受信機
JP3080601B2 (ja) * 1997-06-06 2000-08-28 株式会社ケンウッド 搬送波再生回路
JP3663565B2 (ja) * 1997-11-10 2005-06-22 富士通株式会社 搬送波再生回路
JP3296421B2 (ja) * 1998-09-28 2002-07-02 日本電気株式会社 周波数推定装置
US6268780B1 (en) 2000-04-26 2001-07-31 National Semiconductor Corporation Frequency synthesizer with digital frequency lock loop
KR20020056374A (ko) * 2000-12-29 2002-07-10 엘지전자 주식회사 아날로그 곱셈기를 이용한 주파수/위상 자동 보상 장치
US7292653B2 (en) * 2004-03-10 2007-11-06 Nortel Networks Limited Carrier lock detector
JP4906919B2 (ja) * 2007-03-29 2012-03-28 株式会社アドバンテスト 復調装置、試験装置および電子デバイス
EP1976110B1 (de) * 2007-03-31 2014-01-01 Sony Deutschland Gmbh Schaltung und Verfahren zum Verarbeiten eines Eingabesignals
CN101630977A (zh) * 2009-08-19 2010-01-20 中兴通讯股份有限公司 一种dpsk接收机中解调器相位锁定的装置和方法
CN103647596A (zh) * 2013-12-31 2014-03-19 北京国电通网络技术有限公司技术服务中心 一种双收双发卫星调制解调器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821862B2 (ja) * 1976-11-11 1983-05-04 日本電気株式会社 位相同期回路
DE2826725A1 (de) * 1978-06-19 1979-12-20 Blaupunkt Werke Gmbh Schaltungsanordnung zum erkennen von diskreten frequenzen
US4259740A (en) * 1979-03-07 1981-03-31 Harris Corporation Sequential detection system
JPS5720060A (en) * 1980-06-19 1982-02-02 Mitsubishi Electric Corp Synchronous detector of four-phase phase-modulated wave demodulating circuit
JPS58221548A (ja) * 1982-06-18 1983-12-23 Fujitsu Ltd 位相同期回路
JPS60130246A (ja) * 1983-12-19 1985-07-11 Matsushita Electric Ind Co Ltd 搬送波再生装置
JPH0810879B2 (ja) * 1986-02-20 1996-01-31 富士通株式会社 復調装置
US5147329A (en) * 1987-02-11 1992-09-15 Brannon James K Intravenous access devices
JPH0626353B2 (ja) * 1987-05-19 1994-04-06 日本電気株式会社 復調装置
DE3889979T2 (de) * 1987-06-30 1994-12-01 Nec Corp Phasenkontrollierter Demodulator für ein digitales Nachrichtensystem.
JPH0748750B2 (ja) * 1988-11-15 1995-05-24 日本電気株式会社 同期復調装置
JPH03198554A (ja) * 1989-12-27 1991-08-29 Nec Corp 搬送波再生用位相同期検出回路
JPH0642685B2 (ja) * 1990-07-05 1994-06-01 日本無線株式会社 遅延検波回路
JPH05308387A (ja) * 1992-04-30 1993-11-19 Nec Corp 搬送波位相同期検出回路

Also Published As

Publication number Publication date
JPH06177924A (ja) 1994-06-24
AU678773B2 (en) 1997-06-12
CA2108217A1 (en) 1994-04-14
EP0593015B1 (de) 2000-01-05
DE69327500T2 (de) 2000-09-07
AU4898593A (en) 1994-04-28
US5533059A (en) 1996-07-02
CA2108217C (en) 1998-10-13
JP2932861B2 (ja) 1999-08-09
CN1066597C (zh) 2001-05-30
CN1092576A (zh) 1994-09-21
EP0593015A1 (de) 1994-04-20

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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