DK0426560T3 - Fremgangsmåde og apparat til digital modulation under anvendelse af fase- og kvadraturkomposanter - Google Patents

Fremgangsmåde og apparat til digital modulation under anvendelse af fase- og kvadraturkomposanter

Info

Publication number
DK0426560T3
DK0426560T3 DK90403074.9T DK90403074T DK0426560T3 DK 0426560 T3 DK0426560 T3 DK 0426560T3 DK 90403074 T DK90403074 T DK 90403074T DK 0426560 T3 DK0426560 T3 DK 0426560T3
Authority
DK
Denmark
Prior art keywords
phase
digital modulation
quadrature components
quadrature
frequency
Prior art date
Application number
DK90403074.9T
Other languages
Danish (da)
English (en)
Inventor
Michel Alard
Jean-Louis Dornstetter
Original Assignee
Matra Communication
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 filed Critical Matra Communication
Application granted granted Critical
Publication of DK0426560T3 publication Critical patent/DK0426560T3/da

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmitters (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)
DK90403074.9T 1989-11-02 1990-10-30 Fremgangsmåde og apparat til digital modulation under anvendelse af fase- og kvadraturkomposanter DK0426560T3 (da)

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 (1)

Publication Number Publication Date
DK0426560T3 true DK0426560T3 (da) 1994-09-19

Family

ID=9387021

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90403074.9T DK0426560T3 (da) 1989-11-02 1990-10-30 Fremgangsmåde og apparat til digital modulation under anvendelse af fase- og kvadraturkomposanter

Country Status (10)

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

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
CN1290268C (zh) * 1998-12-22 2006-12-13 皇家菲利浦电子有限公司 射频信号的传输电路
ATE341861T1 (de) 1999-11-18 2006-10-15 Ericsson Telefon Ab L M Verfahren und vorrichtung zum erzeugen eines hochfrequenten sendesignals
DE60124451T2 (de) * 2000-05-30 2007-03-15 Matsushita Electric Industrial Co., Ltd., Kadoma 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
PT95768B (pt) 1998-07-31
NO303710B1 (no) 1998-08-17
FI905403A0 (fi) 1990-11-01
EP0426560A1 (fr) 1991-05-08
NO904749L (no) 1991-05-03
NO904749D0 (no) 1990-11-01
DE69011811T2 (de) 1994-12-15
PT95768A (pt) 1992-06-30
ATE110509T1 (de) 1994-09-15
HK1004587A1 (en) 1998-11-27
DE69011811D1 (de) 1994-09-29
FR2653959B1 (fr) 1994-05-20
FR2653959A1 (fr) 1991-05-03
ES2060986T3 (es) 1994-12-01
EP0426560B1 (fr) 1994-08-24

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