FR1331656A - Système de transmission à modulation de phase - Google Patents

Système de transmission à modulation de phase

Info

Publication number
FR1331656A
FR1331656A FR902358A FR902358A FR1331656A FR 1331656 A FR1331656 A FR 1331656A FR 902358 A FR902358 A FR 902358A FR 902358 A FR902358 A FR 902358A FR 1331656 A FR1331656 A FR 1331656A
Authority
FR
France
Prior art keywords
transmission system
phase modulation
modulation transmission
phase
transmission
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
FR902358A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US120312A external-priority patent/US3128342A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR902358A priority Critical patent/FR1331656A/fr
Application granted granted Critical
Publication of FR1331656A publication Critical patent/FR1331656A/fr
Expired legal-status Critical Current

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
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated 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
    • H04L27/20—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
    • H04L27/2053—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 more than one carrier, e.g. carriers with different phases
    • H04L27/206—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 more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—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 more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—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 more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR902358A 1961-06-28 1962-06-28 Système de transmission à modulation de phase Expired FR1331656A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR902358A FR1331656A (fr) 1961-06-28 1962-06-28 Système de transmission à modulation de phase

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US120312A US3128342A (en) 1961-06-28 1961-06-28 Phase-modulation transmitter
FR902358A FR1331656A (fr) 1961-06-28 1962-06-28 Système de transmission à modulation de phase

Publications (1)

Publication Number Publication Date
FR1331656A true FR1331656A (fr) 1963-07-05

Family

ID=26196408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902358A Expired FR1331656A (fr) 1961-06-28 1962-06-28 Système de transmission à modulation de phase

Country Status (1)

Country Link
FR (1) FR1331656A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2107966A1 (fr) * 1970-09-25 1972-05-12 Siemens Ag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2107966A1 (fr) * 1970-09-25 1972-05-12 Siemens Ag

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