FR2773032B1 - Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante - Google Patents

Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante

Info

Publication number
FR2773032B1
FR2773032B1 FR9716454A FR9716454A FR2773032B1 FR 2773032 B1 FR2773032 B1 FR 2773032B1 FR 9716454 A FR9716454 A FR 9716454A FR 9716454 A FR9716454 A FR 9716454A FR 2773032 B1 FR2773032 B1 FR 2773032B1
Authority
FR
France
Prior art keywords
modulation
substantially constant
spectrum signal
constant envelope
narrow spectrum
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 - Fee Related
Application number
FR9716454A
Other languages
English (en)
Other versions
FR2773032A1 (fr
Inventor
Eric Georgeaux
Jean Louis Dornstetter
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.)
Nortel Networks SA
Original Assignee
Nortel Matra Cellular SCA
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 to FR9716454A priority Critical patent/FR2773032B1/fr
Application filed by Nortel Matra Cellular SCA filed Critical Nortel Matra Cellular SCA
Priority to CN98813261A priority patent/CN1284228A/zh
Priority to US09/582,127 priority patent/US6868126B1/en
Priority to EP98962536A priority patent/EP1044543A1/fr
Priority to JP2000526023A priority patent/JP2001527330A/ja
Priority to CA002315902A priority patent/CA2315902A1/fr
Priority to PCT/FR1998/002812 priority patent/WO1999033238A1/fr
Publication of FR2773032A1 publication Critical patent/FR2773032A1/fr
Application granted granted Critical
Publication of FR2773032B1 publication Critical patent/FR2773032B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
FR9716454A 1997-12-22 1997-12-22 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante Expired - Fee Related FR2773032B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9716454A FR2773032B1 (fr) 1997-12-22 1997-12-22 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante
US09/582,127 US6868126B1 (en) 1997-12-22 1998-12-21 Modulating a digital signal with narrow spectrum and substantially constant envelope
EP98962536A EP1044543A1 (fr) 1997-12-22 1998-12-21 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante
JP2000526023A JP2001527330A (ja) 1997-12-22 1998-12-21 スペクトルが狭く、エンベロープがほぼ一定のデジタル信号の変調
CN98813261A CN1284228A (zh) 1997-12-22 1998-12-21 窄频谱并且包络基本恒定的数字信号的调制
CA002315902A CA2315902A1 (fr) 1997-12-22 1998-12-21 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante
PCT/FR1998/002812 WO1999033238A1 (fr) 1997-12-22 1998-12-21 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9716454A FR2773032B1 (fr) 1997-12-22 1997-12-22 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante

Publications (2)

Publication Number Publication Date
FR2773032A1 FR2773032A1 (fr) 1999-06-25
FR2773032B1 true FR2773032B1 (fr) 2001-12-21

Family

ID=9515087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9716454A Expired - Fee Related FR2773032B1 (fr) 1997-12-22 1997-12-22 Modulation d'un signal numerique a spectre etroit et a enveloppe sensiblement constante

Country Status (7)

Country Link
US (1) US6868126B1 (fr)
EP (1) EP1044543A1 (fr)
JP (1) JP2001527330A (fr)
CN (1) CN1284228A (fr)
CA (1) CA2315902A1 (fr)
FR (1) FR2773032B1 (fr)
WO (1) WO1999033238A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1282278A1 (fr) * 2001-07-30 2003-02-05 Lucent Technologies Inc. Circuit digital pour la réalisation d'une modulation GMSK approximée
RU2210858C2 (ru) * 2001-10-08 2003-08-20 Дунаев Игорь Борисович Способ помехоустойчивой передачи информации
CA2388049A1 (fr) 2002-05-30 2003-11-30 Immunotech S.A. Oligonucleotides immunostimulateurs et utilisations connexes
US20040213336A1 (en) * 2002-10-15 2004-10-28 Jandu Daljit S. Micro-modem
EP1894306B1 (fr) * 2005-06-09 2011-05-11 ITT Manufacturing Enterprises, Inc. Signal composite a porteuse multiple et a enveloppe constante permettant des communications efficaces en puissance et en largeur de bande
GB201819418D0 (en) 2018-11-29 2019-01-16 Daniel Calladine Ltd Anti-viral compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675001B1 (fr) * 1991-04-03 1993-07-30 Matra Communication Procede et dispositif de modulation numerique a composantes en phase et en quadrature et installation de transmission en comportant application.
US5255290A (en) * 1992-08-21 1993-10-19 Teknekron Communications System, Inc. Method and apparatus for combined frequency offset and timing offset estimation

Also Published As

Publication number Publication date
CN1284228A (zh) 2001-02-14
US6868126B1 (en) 2005-03-15
CA2315902A1 (fr) 1999-07-01
JP2001527330A (ja) 2001-12-25
EP1044543A1 (fr) 2000-10-18
FR2773032A1 (fr) 1999-06-25
WO1999033238A1 (fr) 1999-07-01

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20060831