DE3887879D1 - Empfänger mit veränderlicher datenrate. - Google Patents

Empfänger mit veränderlicher datenrate.

Info

Publication number
DE3887879D1
DE3887879D1 DE89901502T DE3887879T DE3887879D1 DE 3887879 D1 DE3887879 D1 DE 3887879D1 DE 89901502 T DE89901502 T DE 89901502T DE 3887879 T DE3887879 T DE 3887879T DE 3887879 D1 DE3887879 D1 DE 3887879D1
Authority
DE
Germany
Prior art keywords
receiver
data rate
variable data
variable
rate
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
DE89901502T
Other languages
English (en)
Other versions
DE3887879T2 (de
Inventor
Christopher Keate
Glenn Arbanas
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.)
Unisys Corp
Original Assignee
Unisys 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 Unisys Corp filed Critical Unisys Corp
Publication of DE3887879D1 publication Critical patent/DE3887879D1/de
Application granted granted Critical
Publication of DE3887879T2 publication Critical patent/DE3887879T2/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
    • H04L27/2273—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

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)
  • Synchronisation In Digital Transmission Systems (AREA)
DE3887879T 1987-12-28 1988-12-16 Empfänger mit veränderlicher datenrate. Expired - Fee Related DE3887879T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/138,183 US4870660A (en) 1987-12-28 1987-12-28 Variable frequency rate receiver
PCT/US1988/004649 WO1989006461A1 (en) 1987-12-28 1988-12-16 A variable frequency rate receiver

Publications (2)

Publication Number Publication Date
DE3887879D1 true DE3887879D1 (de) 1994-03-24
DE3887879T2 DE3887879T2 (de) 1994-09-01

Family

ID=22480850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887879T Expired - Fee Related DE3887879T2 (de) 1987-12-28 1988-12-16 Empfänger mit veränderlicher datenrate.

Country Status (5)

Country Link
US (1) US4870660A (de)
EP (1) EP0346449B1 (de)
JP (1) JP2583138B2 (de)
DE (1) DE3887879T2 (de)
WO (1) WO1989006461A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455823A (en) * 1990-11-06 1995-10-03 Radio Satellite Corporation Integrated communications terminal
US5303393A (en) * 1990-11-06 1994-04-12 Radio Satellite Corporation Integrated radio satellite response system and method
US5689245A (en) * 1992-10-19 1997-11-18 Radio Satellite Corporation Integrated communications terminal
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
US5901173A (en) * 1996-12-09 1999-05-04 Raytheon Company Noise Estimator
KR100556397B1 (ko) * 2003-12-01 2006-03-03 엘지전자 주식회사 타이밍 복구 장치 및 방법
US9252788B1 (en) 2014-09-11 2016-02-02 International Business Machines Corporation Phase error detection in phase lock loop and delay lock loop devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614910A (en) * 1984-03-12 1986-09-30 Victor Company Of Japan, Ltd. Quarternary differential PSK demodulator
US4600889A (en) * 1985-03-13 1986-07-15 Motorola, Inc. Coherent oscillator
JPS61260010A (ja) * 1985-05-13 1986-11-18 Yamaguchi Yakuhin Shokai:Kk 育毛剤
US4713630A (en) * 1986-07-29 1987-12-15 Communications Satellite Corporation BPSK Costas-type PLL circuit having false lock prevention

Also Published As

Publication number Publication date
US4870660A (en) 1989-09-26
EP0346449A1 (de) 1989-12-20
WO1989006461A1 (en) 1989-07-13
EP0346449B1 (de) 1994-02-16
JP2583138B2 (ja) 1997-02-19
DE3887879T2 (de) 1994-09-01
JPH02503620A (ja) 1990-10-25

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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