DE3687136D1 - Traegerwellen-rueckgewinnungssystem. - Google Patents

Traegerwellen-rueckgewinnungssystem.

Info

Publication number
DE3687136D1
DE3687136D1 DE8686306161T DE3687136T DE3687136D1 DE 3687136 D1 DE3687136 D1 DE 3687136D1 DE 8686306161 T DE8686306161 T DE 8686306161T DE 3687136 T DE3687136 T DE 3687136T DE 3687136 D1 DE3687136 D1 DE 3687136D1
Authority
DE
Germany
Prior art keywords
recovery system
carrier shaft
shaft recovery
carrier
shaft
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
DE8686306161T
Other languages
English (en)
Other versions
DE3687136T2 (de
Inventor
Susumu C O Nec Corporati Otani
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
Priority claimed from JP60175215A external-priority patent/JPS6236944A/ja
Priority claimed from JP60272698A external-priority patent/JPS62132457A/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3687136D1 publication Critical patent/DE3687136D1/de
Publication of DE3687136T2 publication Critical patent/DE3687136T2/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
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8686306161T 1985-08-09 1986-08-08 Traegerwellen-rueckgewinnungssystem. Expired - Fee Related DE3687136T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60175215A JPS6236944A (ja) 1985-08-09 1985-08-09 搬送波再生方式
JP60272698A JPS62132457A (ja) 1985-12-04 1985-12-04 搬送波再生方式

Publications (2)

Publication Number Publication Date
DE3687136D1 true DE3687136D1 (de) 1992-12-24
DE3687136T2 DE3687136T2 (de) 1993-04-15

Family

ID=26496548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306161T Expired - Fee Related DE3687136T2 (de) 1985-08-09 1986-08-08 Traegerwellen-rueckgewinnungssystem.

Country Status (5)

Country Link
US (1) US4807254A (de)
EP (1) EP0213821B1 (de)
AU (1) AU589988B2 (de)
CA (1) CA1263771A (de)
DE (1) DE3687136T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912729A (en) * 1988-05-16 1990-03-27 U.S. Philips Corporation Phase-locked-loop circuit and bit detection arrangement comprising such a phase-locked-loop circuit
US4937841A (en) * 1988-06-29 1990-06-26 Bell Communications Research, Inc. Method and circuitry for carrier recovery for time division multiple access radio systems
CA2018855C (en) * 1989-06-14 1993-09-21 Shousei Yoshida Burst demodulator for establishing carrier and clock timing from a sequence of alternating symbols
US5208835A (en) * 1990-09-24 1993-05-04 In-Situ, Inc. Automatic frequency control system and method for frequency-shift-key data transmission systems
US6707863B1 (en) 1999-05-04 2004-03-16 Northrop Grumman Corporation Baseband signal carrier recovery of a suppressed carrier modulation signal
ATE265771T1 (de) * 2001-09-14 2004-05-15 Cit Alcatel Schaltungsanordnung für einen empfänger zum empfang einzelner impulsbündel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594900B2 (ja) * 1979-09-03 1984-02-01 日本電気株式会社 クロック再生回路
JPS5683135A (en) * 1979-12-10 1981-07-07 Sony Corp Pll circuit
US4466108A (en) * 1981-10-06 1984-08-14 Communications Satellite Corporation TDMA/PSK Carrier synchronization without preamble
SE430456B (sv) * 1982-03-10 1983-11-14 Ericsson Telefon Ab L M Sett och anordning for att fassynkronisera en formedlingstation i ett digitalt telekommunikationsnet
US4511859A (en) * 1982-08-30 1985-04-16 At&T Bell Laboratories Apparatus for generating a common output signal as a function of any of a plurality of diverse input signals
FR2537363B1 (fr) * 1982-12-02 1988-09-02 Nippon Telegraph & Telephone Dispositif de retablissement de signal d'horloge pour un systeme de telecommunication par satellite a acces multiple par repartition dans le temps

Also Published As

Publication number Publication date
CA1263771A (en) 1989-12-05
AU6100486A (en) 1987-02-12
AU589988B2 (en) 1989-10-26
DE3687136T2 (de) 1993-04-15
EP0213821B1 (de) 1992-11-19
EP0213821A3 (en) 1989-01-25
EP0213821A2 (de) 1987-03-11
US4807254A (en) 1989-02-21

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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