DE3366219D1 - Demodulation device for composite psk-psk modulated waves - Google Patents

Demodulation device for composite psk-psk modulated waves

Info

Publication number
DE3366219D1
DE3366219D1 DE8383104489T DE3366219T DE3366219D1 DE 3366219 D1 DE3366219 D1 DE 3366219D1 DE 8383104489 T DE8383104489 T DE 8383104489T DE 3366219 T DE3366219 T DE 3366219T DE 3366219 D1 DE3366219 D1 DE 3366219D1
Authority
DE
Germany
Prior art keywords
psk
composite
demodulation device
modulated waves
psk 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
Application number
DE8383104489T
Other languages
English (en)
Inventor
Yasuharu Yoshida
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
Application granted granted Critical
Publication of DE3366219D1 publication Critical patent/DE3366219D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/12—Channels characterised by the type of signal the signals being represented by different phase modulations of a single carrier
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8383104489T 1982-05-07 1983-05-06 Demodulation device for composite psk-psk modulated waves Expired DE3366219D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57075323A JPS58194450A (ja) 1982-05-07 1982-05-07 復調装置

Publications (1)

Publication Number Publication Date
DE3366219D1 true DE3366219D1 (en) 1986-10-23

Family

ID=13572936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383104489T Expired DE3366219D1 (en) 1982-05-07 1983-05-06 Demodulation device for composite psk-psk modulated waves

Country Status (5)

Country Link
US (1) US4498050A (de)
EP (1) EP0094058B1 (de)
JP (1) JPS58194450A (de)
CA (1) CA1206215A (de)
DE (1) DE3366219D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU589084B2 (en) * 1986-02-08 1989-09-28 Nec Corporation Multilevel modulator capable of producing a composite modulated signal comprising a quadrature amplitude modulated component and a phase modulated component
US4847869A (en) * 1987-12-04 1989-07-11 Motorla, Inc. Rapid reference acquisition and phase error compensation for radio transmission of data
JPH04255921A (ja) * 1991-02-08 1992-09-10 Fujitsu Ltd 光学的記憶装置
JPH0741716U (ja) * 1991-05-18 1995-07-21 株式会社インフラノイズ カラーフィルター、乱反射防止塗膜を内蔵するレーザーディスクおよびコンパクトディスクプレーヤー用光ピックアップ。
WO1996007234A1 (en) * 1994-08-26 1996-03-07 Motorola Inc. Communication device with efficient zero-crossing generator
US6473506B1 (en) * 1998-10-13 2002-10-29 Telefonaktiebolaget Lm Ericsson (Publ) Signaling using phase rotation techniques in a digital communications system

Family Cites Families (6)

* 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
JPS58698B2 (ja) * 1976-03-22 1983-01-07 日本電気株式会社 位相同期回路
JPS5925500B2 (ja) * 1978-03-03 1984-06-18 日本電気株式会社 搬送波再生回路
JPS54142008A (en) * 1978-03-29 1979-11-05 Nec Corp Carrier wave digital transmission system
JPS54133812A (en) * 1978-04-07 1979-10-17 Nec Corp Phase synchronous circuit
US4334312A (en) * 1979-08-10 1982-06-08 Nippon Electric Co., Ltd. Phase synchronizing circuit for use in multi-level, multi-phase, superposition-modulated signal transmission system

Also Published As

Publication number Publication date
JPS6362931B2 (de) 1988-12-05
EP0094058A2 (de) 1983-11-16
EP0094058B1 (de) 1986-09-17
CA1206215A (en) 1986-06-17
EP0094058A3 (en) 1984-04-18
US4498050A (en) 1985-02-05
JPS58194450A (ja) 1983-11-12

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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