GB1079244A - A phase-modulation transmitter - Google Patents

A phase-modulation transmitter

Info

Publication number
GB1079244A
GB1079244A GB26503/64A GB2650364A GB1079244A GB 1079244 A GB1079244 A GB 1079244A GB 26503/64 A GB26503/64 A GB 26503/64A GB 2650364 A GB2650364 A GB 2650364A GB 1079244 A GB1079244 A GB 1079244A
Authority
GB
United Kingdom
Prior art keywords
frequency
pulse
subcarriers
output
signals
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
GB26503/64A
Other languages
English (en)
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
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB1079244A publication Critical patent/GB1079244A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • 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
    • 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
    • H04L27/2039—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 using microwave technology
    • 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
    • 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
    • H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2637—Modulators with direct modulation of individual subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/2653—Demodulators with direct demodulation of individual subcarriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
GB26503/64A 1963-06-28 1964-06-26 A phase-modulation transmitter Expired GB1079244A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3379263 1963-06-28
JP3998763 1963-07-29

Publications (1)

Publication Number Publication Date
GB1079244A true GB1079244A (en) 1967-08-16

Family

ID=26372556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26503/64A Expired GB1079244A (en) 1963-06-28 1964-06-26 A phase-modulation transmitter

Country Status (6)

Country Link
US (2) US3349182A (OSRAM)
BE (2) BE649843A (OSRAM)
DE (1) DE1207958B (OSRAM)
FR (1) FR88714E (OSRAM)
GB (1) GB1079244A (OSRAM)
NL (2) NL6407275A (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488445A (en) * 1966-11-14 1970-01-06 Bell Telephone Labor Inc Orthogonal frequency multiplex data transmission system
US3472960A (en) * 1966-11-30 1969-10-14 Itt Synchronizing system having locally generated signals and psk information signals
US3517131A (en) * 1967-04-10 1970-06-23 Bell Telephone Labor Inc System for superimposing individual channel spectra in a noninterfering manner
AU415174B1 (en) * 1967-08-04 1971-07-15 THE COMMONWEALTH OF AUSTRALIA Actual Inventor PJ) PAULO'NEILL GILLARD High density and for high frequency digital recording
US3971922A (en) * 1974-11-29 1976-07-27 Telecommunications Radioelectriques Et Telephoniques T.R.T. Circuit arrangement for digitally processing a given number of channel signals
DE2525533C2 (de) * 1975-06-07 1985-12-05 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum Decodieren eines Code
DE3533467C2 (de) * 1985-09-19 1999-01-21 Tandberg Data Verfahren und Anordnung zum störsicheren Erkennen von in Datensignalen enthaltenen Daten
DE4427885A1 (de) * 1994-08-08 1996-02-15 Telefunken Microelectron Verfahren zur Verbesserung des Störabstandes in einem Übertragungssystem durch die Bildung von Flächenäquivalenten
DE19611577A1 (de) * 1996-03-23 1997-09-25 Bayerische Motoren Werke Ag Verfahren zum Empfang eines drahtlos übertragenen Bitmusters
JP2010147943A (ja) * 2008-12-19 2010-07-01 Sony Corp 情報処理装置、及び信号伝送方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904683A (en) * 1956-10-23 1959-09-15 Sperry Rand Corp Phase demodulation
US3028487A (en) * 1958-05-01 1962-04-03 Hughes Aircraft Co Digital phase demodulation circuit
US3020485A (en) * 1958-10-24 1962-02-06 Collins Radio Co Digital phase-pulse demodulator
US3078344A (en) * 1960-10-25 1963-02-19 Robertshaw Fulton Controls Co Phase demodulation of keyed carrier by use of synchronous gating, with phase lock driven step wise in response to forbidden output
US3202765A (en) * 1961-08-23 1965-08-24 Bell Telephone Labor Inc Synchronization of frequency multiplex systems

Also Published As

Publication number Publication date
US3349182A (en) 1967-10-24
DE1207958B (de) 1965-12-30
BE650610A (OSRAM) 1965-01-18
NL6407275A (OSRAM) 1964-12-29
NL6408424A (OSRAM) 1965-02-01
FR88714E (OSRAM) 1967-06-02
US3447086A (en) 1969-05-27
BE649843A (OSRAM) 1964-12-29

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