SG71825A1 - Digital modulation process and modulator implementing the process - Google Patents

Digital modulation process and modulator implementing the process

Info

Publication number
SG71825A1
SG71825A1 SG1998002761A SG1998002761A SG71825A1 SG 71825 A1 SG71825 A1 SG 71825A1 SG 1998002761 A SG1998002761 A SG 1998002761A SG 1998002761 A SG1998002761 A SG 1998002761A SG 71825 A1 SG71825 A1 SG 71825A1
Authority
SG
Singapore
Prior art keywords
digital modulation
modulator implementing
modulator
implementing
modulation process
Prior art date
Application number
SG1998002761A
Inventor
Gerard Marque-Pucheu
Albert Roseiro
Original Assignee
Matra Nortel Communications
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 Matra Nortel Communications filed Critical Matra Nortel Communications
Publication of SG71825A1 publication Critical patent/SG71825A1/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
    • H04L27/2032—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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Burglar Alarm Systems (AREA)
  • Amplitude Modulation (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The accumulated phase filtering of a finite pulse response gives a special time characteristic producing a binary two bit response with three phase increments.
SG1998002761A 1997-08-04 1998-08-04 Digital modulation process and modulator implementing the process SG71825A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9709962A FR2767002B1 (en) 1997-08-04 1997-08-04 DIGITAL MODULATION METHOD, AND MODULATOR IMPLEMENTING SUCH A METHOD

Publications (1)

Publication Number Publication Date
SG71825A1 true SG71825A1 (en) 2000-04-18

Family

ID=9510003

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998002761A SG71825A1 (en) 1997-08-04 1998-08-04 Digital modulation process and modulator implementing the process

Country Status (8)

Country Link
EP (2) EP0896456B1 (en)
AT (2) ATE196961T1 (en)
CA (1) CA2244609A1 (en)
DE (2) DE69800349T2 (en)
ES (1) ES2152749T3 (en)
FR (1) FR2767002B1 (en)
GR (1) GR3035210T3 (en)
SG (1) SG71825A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2968350B2 (en) * 1991-01-11 1999-10-25 三菱電機株式会社 Quadrature modulation circuit
FR2675001B1 (en) * 1991-04-03 1993-07-30 Matra Communication METHOD AND DEVICE FOR DIGITAL MODULATION WITH PHASE AND QUADRATURE COMPONENTS AND TRANSMISSION INSTALLATION COMPRISING AN APPLICATION.
US5600676A (en) * 1993-07-06 1997-02-04 Ericsson Ge Mobile Communications Inc. Modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle
US5642384A (en) * 1993-07-06 1997-06-24 Ericsson Inc. Trellis coded modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle

Also Published As

Publication number Publication date
DE69800349T2 (en) 2001-05-17
EP0936784B1 (en) 2000-10-11
FR2767002B1 (en) 1999-10-08
FR2767002A1 (en) 1999-02-05
DE69823429D1 (en) 2004-06-03
ATE196961T1 (en) 2000-10-15
DE69800349D1 (en) 2000-11-16
ATE265778T1 (en) 2004-05-15
CA2244609A1 (en) 1999-02-04
GR3035210T3 (en) 2001-04-30
ES2152749T3 (en) 2001-02-01
EP0936784A3 (en) 1999-10-06
DE69823429T2 (en) 2005-02-24
EP0936784A2 (en) 1999-08-18
EP0896456B1 (en) 2004-04-28
EP0896456A1 (en) 1999-02-10

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