DE69011811D1 - Verfahren und Einrichtung zur Digitalmodulation mittels Inphase- und Quadraturkomponenten. - Google Patents

Verfahren und Einrichtung zur Digitalmodulation mittels Inphase- und Quadraturkomponenten.

Info

Publication number
DE69011811D1
DE69011811D1 DE69011811T DE69011811T DE69011811D1 DE 69011811 D1 DE69011811 D1 DE 69011811D1 DE 69011811 T DE69011811 T DE 69011811T DE 69011811 T DE69011811 T DE 69011811T DE 69011811 D1 DE69011811 D1 DE 69011811D1
Authority
DE
Germany
Prior art keywords
phase
digital modulation
quadrature components
quadrature
frequency
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
DE69011811T
Other languages
English (en)
Other versions
DE69011811T2 (de
Inventor
Michel Alard
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 France SAS
Original Assignee
Matra Communication SA
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 Communication SA filed Critical Matra Communication SA
Application granted granted Critical
Publication of DE69011811D1 publication Critical patent/DE69011811D1/de
Publication of DE69011811T2 publication Critical patent/DE69011811T2/de
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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Cephalosporin Compounds (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Closed-Circuit Television Systems (AREA)
DE69011811T 1989-11-02 1990-10-30 Verfahren und Einrichtung zur Digitalmodulation mittels Inphase- und Quadraturkomponenten. Expired - Fee Related DE69011811T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8914366A FR2653959B1 (fr) 1989-11-02 1989-11-02 Procede et dispositif de modulation numerique a composantes en phase et en quadrature.

Publications (2)

Publication Number Publication Date
DE69011811D1 true DE69011811D1 (de) 1994-09-29
DE69011811T2 DE69011811T2 (de) 1994-12-15

Family

ID=9387021

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011811T Expired - Fee Related DE69011811T2 (de) 1989-11-02 1990-10-30 Verfahren und Einrichtung zur Digitalmodulation mittels Inphase- und Quadraturkomponenten.

Country Status (10)

Country Link
EP (1) EP0426560B1 (de)
AT (1) ATE110509T1 (de)
DE (1) DE69011811T2 (de)
DK (1) DK0426560T3 (de)
ES (1) ES2060986T3 (de)
FI (1) FI905403A0 (de)
FR (1) FR2653959B1 (de)
HK (1) HK1004587A1 (de)
NO (1) NO303710B1 (de)
PT (1) PT95768B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530722A (en) * 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
US5867537A (en) * 1992-10-27 1999-02-02 Ericsson Inc. Balanced tranversal I,Q filters for quadrature modulators
SE507373C2 (sv) * 1996-09-06 1998-05-18 Ericsson Telefon Ab L M Anordning och metod för pulsformning och effektförstärkning
GB2335122A (en) * 1998-03-05 1999-09-08 Motorola Gmbh Transmitter adapted to reduce adjacent channel interference
KR100703250B1 (ko) * 1998-12-22 2007-04-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 전송 회로 및 무선 전화 장치
EP1102409B1 (de) * 1999-11-18 2006-10-04 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals
EP1161044B1 (de) * 2000-05-30 2006-11-15 Matsushita Electric Industrial Co., Ltd. Quadraturmodulator
US20060115005A1 (en) * 2004-11-26 2006-06-01 Technoconcepts, Inc. Direct conversion delta-sigma transmitter
US7236112B2 (en) 2005-01-21 2007-06-26 Technoconcepts, Inc. Self-tuning output digital filter for direct conversion delta-sigma transmitter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570840A (en) * 1978-05-23 1980-07-09 Standard Telephones Cables Ltd Generation of modulated carrier waves for phase or phase- amplitude shift keying

Also Published As

Publication number Publication date
FR2653959B1 (fr) 1994-05-20
HK1004587A1 (en) 1998-11-27
DK0426560T3 (da) 1994-09-19
FR2653959A1 (fr) 1991-05-03
DE69011811T2 (de) 1994-12-15
NO904749L (no) 1991-05-03
PT95768B (pt) 1998-07-31
NO303710B1 (no) 1998-08-17
ATE110509T1 (de) 1994-09-15
FI905403A0 (fi) 1990-11-01
EP0426560A1 (de) 1991-05-08
EP0426560B1 (de) 1994-08-24
PT95768A (pt) 1992-06-30
NO904749D0 (no) 1990-11-01
ES2060986T3 (es) 1994-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MATRA NORTEL COMMUNICATIONS S.P.A.S., QUIMPER, FR

8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8339 Ceased/non-payment of the annual fee