NZ214299A - Cellular radio exchange link: recovering binary fsk at exchange - Google Patents

Cellular radio exchange link: recovering binary fsk at exchange

Info

Publication number
NZ214299A
NZ214299A NZ21429985A NZ21429985A NZ214299A NZ 214299 A NZ214299 A NZ 214299A NZ 21429985 A NZ21429985 A NZ 21429985A NZ 21429985 A NZ21429985 A NZ 21429985A NZ 214299 A NZ214299 A NZ 214299A
Authority
NZ
New Zealand
Prior art keywords
exchange
cellular radio
link
binary fsk
recovering binary
Prior art date
Application number
NZ21429985A
Inventor
J H P M Spaenjers
D S G Hoefkens
E J J M Vos
Original Assignee
Stc Plc
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 Stc Plc filed Critical Stc Plc
Publication of NZ214299A publication Critical patent/NZ214299A/en

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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
    • H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings
NZ21429985A 1984-12-07 1985-11-22 Cellular radio exchange link: recovering binary fsk at exchange NZ214299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2/60561A BE901232A (en) 1984-12-07 1984-12-07 RADIOCOMMUNICATION SYSTEM.

Publications (1)

Publication Number Publication Date
NZ214299A true NZ214299A (en) 1988-09-29

Family

ID=3865721

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ21429985A NZ214299A (en) 1984-12-07 1985-11-22 Cellular radio exchange link: recovering binary fsk at exchange

Country Status (4)

Country Link
AU (2) AU581038B2 (en)
BE (1) BE901232A (en)
GB (1) GB2168878B (en)
NZ (1) NZ214299A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ243007A (en) * 1991-06-19 1995-02-24 Ericsson Telefon Ab L M Radio telephony: digital speech codec provided at regional stations for analog transmissions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412339A (en) * 1981-09-24 1983-10-25 Advanced Micro Devices, Inc. Zero-crossing interpolator to reduce isochronous distortion in a digital FSK modem
DE3223345A1 (en) * 1982-06-23 1984-01-05 Philips Patentverwaltung Gmbh, 2000 Hamburg METHOD AND ARRANGEMENT FOR DEMODULATING A FREQUENCY-MODULATED INPUT SIGNAL
EP0146652B1 (en) * 1983-12-24 1987-09-02 Deutsche ITT Industries GmbH A digital demodulator for digitized frequency-modulated signals

Also Published As

Publication number Publication date
GB8528828D0 (en) 1985-12-24
BE901232A (en) 1985-06-07
GB2168878B (en) 1989-02-01
AU581038B2 (en) 1989-02-09
AU5033985A (en) 1986-06-12
GB2168878A (en) 1986-06-25
AU2415988A (en) 1989-01-27

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