BE882111A - Systeme de transmission de donnees a plusieurs niveaux par une onde porteuse d'amplitude constante a modulation angulaire - Google Patents

Systeme de transmission de donnees a plusieurs niveaux par une onde porteuse d'amplitude constante a modulation angulaire

Info

Publication number
BE882111A
BE882111A BE0/199697A BE199697A BE882111A BE 882111 A BE882111 A BE 882111A BE 0/199697 A BE0/199697 A BE 0/199697A BE 199697 A BE199697 A BE 199697A BE 882111 A BE882111 A BE 882111A
Authority
BE
Belgium
Prior art keywords
data transmission
transmission system
carrier wave
level data
constant amplitude
Prior art date
Application number
BE0/199697A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE882111A publication Critical patent/BE882111A/fr

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
    • 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
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
BE0/199697A 1979-03-08 1980-03-06 Systeme de transmission de donnees a plusieurs niveaux par une onde porteuse d'amplitude constante a modulation angulaire BE882111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7901865A NL7901865A (nl) 1979-03-08 1979-03-08 Systeem voor multiniveau datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.

Publications (1)

Publication Number Publication Date
BE882111A true BE882111A (fr) 1980-09-08

Family

ID=19832772

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/199697A BE882111A (fr) 1979-03-08 1980-03-06 Systeme de transmission de donnees a plusieurs niveaux par une onde porteuse d'amplitude constante a modulation angulaire

Country Status (14)

Country Link
US (1) US4320499A (fr)
JP (1) JPS55123263A (fr)
AU (1) AU530112B2 (fr)
BE (1) BE882111A (fr)
BR (1) BR8001323A (fr)
CA (1) CA1159112A (fr)
CH (1) CH650117A5 (fr)
DE (1) DE3008567C2 (fr)
DK (1) DK152240C (fr)
FR (1) FR2451136B1 (fr)
GB (1) GB2044048B (fr)
IT (1) IT1130303B (fr)
NL (1) NL7901865A (fr)
SE (1) SE450679B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509017A (en) * 1981-09-28 1985-04-02 E-Systems, Inc. Method and apparatus for pulse angle modulation
FR2526617A1 (fr) * 1982-05-10 1983-11-10 Sintra Alcatel Sa Systeme de transmission synchrone de donnees a l'aide d'une porteuse modulee d'amplitude d'enveloppe constante
US4706261A (en) * 1982-08-13 1987-11-10 Hazeltine Corporation Differential phase modulation
US4752953A (en) * 1983-05-27 1988-06-21 M/A-Com Government Systems, Inc. Digital audio scrambling system with pulse amplitude modulation
US4528526A (en) * 1983-05-31 1985-07-09 Motorola, Inc. PSK modulator with noncollapsable output for use with a PLL power amplifier
US4672632A (en) * 1984-02-03 1987-06-09 Motorola, Inc. Optimized communications system and method employing channel synthesis and phase lock detection
NL8402318A (nl) * 1984-07-23 1986-02-17 Philips Nv Inrichting voor het genereren van een hoekgemoduleerd draaggolfsignaal van constante amplitude in responsie op datasignalen.
JPS61113346A (ja) * 1984-11-08 1986-05-31 Kyosan Electric Mfg Co Ltd 位相偏移変調方式
WO1987001535A1 (fr) * 1985-08-30 1987-03-12 Fujitsu Limited Systeme de transmission des donnees par radio
US4737968A (en) * 1985-10-25 1988-04-12 Phillips Petroleum Company QPSK transmission system having phaselocked tracking filter for spectrum shaping
DE3687748T2 (de) * 1985-12-26 1993-05-27 Matsushita Electric Ind Co Ltd Uebertragungsmethode eines digitalen signals mit verbesserten fehlerrateeigenschaften bei mehrweguebertragung.
US4742533A (en) * 1987-01-02 1988-05-03 Motorola, Inc. Soft decision digital communication apparatus
KR20200085931A (ko) 2011-02-18 2020-07-15 선 페이턴트 트러스트 신호생성방법 및 신호생성장치
KR102105322B1 (ko) 2013-06-17 2020-04-28 삼성전자주식회사 송신기 및 수신기, 무선 통신 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128342A (en) * 1961-06-28 1964-04-07 Bell Telephone Labor Inc Phase-modulation transmitter
NL157472B (nl) * 1968-10-02 1978-07-17 Philips Nv Ontvanger voor de ontvangst van in een voorgeschreven overdrachtsband gelegen informatiepulssignalen.
US3818135A (en) * 1971-09-24 1974-06-18 A Tannhauser Circuitry for transmission of phase difference modulated data signals
JPS51144167A (en) * 1975-06-04 1976-12-10 Nec Corp Digital phase modulation method

Also Published As

Publication number Publication date
DK152240B (da) 1988-02-08
DE3008567C2 (de) 1985-08-22
GB2044048A (en) 1980-10-08
IT1130303B (it) 1986-06-11
DE3008567A1 (de) 1980-09-18
NL7901865A (nl) 1980-09-10
DK95080A (da) 1980-09-09
SE8001700L (sv) 1980-09-09
AU5616780A (en) 1980-09-11
CH650117A5 (de) 1985-06-28
US4320499A (en) 1982-03-16
SE450679B (sv) 1987-07-13
FR2451136A1 (fr) 1980-10-03
GB2044048B (en) 1983-04-20
DK152240C (da) 1988-07-04
JPS55123263A (en) 1980-09-22
IT8020371A0 (it) 1980-03-05
BR8001323A (pt) 1980-11-04
CA1159112A (fr) 1983-12-20
AU530112B2 (en) 1983-06-30
FR2451136B1 (fr) 1988-06-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PHILIPS ELECTRONICS N.V.

Effective date: 19950331