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IT8020371A0 - Portante modulata d'angolo, sistema per la trasmissione di dati presentante una ampiezza costante. multilivello, per mezzo di una - Google Patents

Portante modulata d'angolo, sistema per la trasmissione di dati presentante una ampiezza costante. multilivello, per mezzo di una

Info

Publication number
IT8020371A0
IT8020371A0 IT8020371A IT2037180A IT8020371A0 IT 8020371 A0 IT8020371 A0 IT 8020371A0 IT 8020371 A IT8020371 A IT 8020371A IT 2037180 A IT2037180 A IT 2037180A IT 8020371 A0 IT8020371 A0 IT 8020371A0
Authority
IT
Italy
Prior art keywords
multilevel
data transmission
modulated carrier
constant amplitude
angle modulated
Prior art date
Application number
IT8020371A
Other languages
English (en)
Other versions
IT1130303B (it
Inventor
Muilwijk Dirk
Dekker Cornelis Bartholemeus
De Jager Frank
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 IT8020371A0 publication Critical patent/IT8020371A0/it
Application granted granted Critical
Publication of IT1130303B publication Critical patent/IT1130303B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT20371/80A 1979-03-08 1980-03-05 Sistema per la trasmissione di dati multilivello,per mezzo di una portante modulata d'angolo,presentante una ampiezza costante IT1130303B (it)

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 (2)

Publication Number Publication Date
IT8020371A0 true IT8020371A0 (it) 1980-03-05
IT1130303B IT1130303B (it) 1986-06-11

Family

ID=19832772

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20371/80A IT1130303B (it) 1979-03-08 1980-03-05 Sistema per la trasmissione di dati multilivello,per mezzo di una portante modulata d'angolo,presentante una ampiezza costante

Country Status (14)

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

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
EP0235300B1 (en) * 1985-08-30 1995-01-11 Fujitsu Limited Radio data transmission system
US4737968A (en) * 1985-10-25 1988-04-12 Phillips Petroleum Company QPSK transmission system having phaselocked tracking filter for spectrum shaping
EP0232626B1 (en) * 1985-12-26 1993-02-10 Matsushita Electric Industrial Co., Ltd. Method of digital signal transmission having a low error rate in the presence of multipath transmission
US4742533A (en) * 1987-01-02 1988-05-03 Motorola, Inc. Soft decision digital communication apparatus
RU2593381C2 (ru) 2011-02-18 2016-08-10 Сан Пэтент Траст Способ формирования сигналов и устройство формирования сигналов
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
SE8001700L (sv) 1980-09-09
DE3008567A1 (de) 1980-09-18
GB2044048A (en) 1980-10-08
JPS55123263A (en) 1980-09-22
AU530112B2 (en) 1983-06-30
NL7901865A (nl) 1980-09-10
AU5616780A (en) 1980-09-11
GB2044048B (en) 1983-04-20
FR2451136B1 (fr) 1988-06-24
CH650117A5 (de) 1985-06-28
DK95080A (da) 1980-09-09
BR8001323A (pt) 1980-11-04
BE882111A (fr) 1980-09-08
CA1159112A (en) 1983-12-20
IT1130303B (it) 1986-06-11
DK152240C (da) 1988-07-04
FR2451136A1 (fr) 1980-10-03
DE3008567C2 (de) 1985-08-22
SE450679B (sv) 1987-07-13
US4320499A (en) 1982-03-16
DK152240B (da) 1988-02-08

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Effective date: 19940331