PT93368A - Modulador com modulacao de desvio minimo gaussiano (gmsk) - Google Patents

Modulador com modulacao de desvio minimo gaussiano (gmsk)

Info

Publication number
PT93368A
PT93368A PT93368A PT9336890A PT93368A PT 93368 A PT93368 A PT 93368A PT 93368 A PT93368 A PT 93368A PT 9336890 A PT9336890 A PT 9336890A PT 93368 A PT93368 A PT 93368A
Authority
PT
Portugal
Prior art keywords
gmsk
modulation
defrost
module
sideband
Prior art date
Application number
PT93368A
Other languages
English (en)
Other versions
PT93368B (pt
Inventor
Otmar Ringelhaan
Horst Fenske
Gerhard Eichiner
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of PT93368A publication Critical patent/PT93368A/pt
Publication of PT93368B publication Critical patent/PT93368B/pt

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)
  • Circuits Of Receivers In General (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
PT93368A 1989-03-09 1990-03-08 Modulador com modulacao de desvio minimo gaussiano (gmsk) PT93368B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89104193 1989-03-09

Publications (2)

Publication Number Publication Date
PT93368A true PT93368A (pt) 1990-11-07
PT93368B PT93368B (pt) 1996-05-31

Family

ID=8201072

Family Applications (1)

Application Number Title Priority Date Filing Date
PT93368A PT93368B (pt) 1989-03-09 1990-03-08 Modulador com modulacao de desvio minimo gaussiano (gmsk)

Country Status (9)

Country Link
EP (1) EP0386412B1 (pt)
AT (1) ATE104492T1 (pt)
DE (1) DE59005305D1 (pt)
DK (1) DK0386412T3 (pt)
ES (1) ES2051391T3 (pt)
FI (1) FI97760C (pt)
IE (1) IE65459B1 (pt)
NO (1) NO901037L (pt)
PT (1) PT93368B (pt)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969590A (en) * 1975-04-04 1976-07-13 Rockwell International Corporation Surface acoustic wave apparatus
US4648099A (en) * 1984-12-17 1987-03-03 Allied Corporation Digital minimum shift keyed modulator

Also Published As

Publication number Publication date
FI97760C (fi) 1997-02-10
FI97760B (fi) 1996-10-31
EP0386412B1 (de) 1994-04-13
NO901037D0 (no) 1990-03-05
NO901037L (no) 1990-09-10
IE900832L (en) 1990-09-09
ATE104492T1 (de) 1994-04-15
FI901192A0 (fi) 1990-03-08
PT93368B (pt) 1996-05-31
ES2051391T3 (es) 1994-06-16
EP0386412A1 (de) 1990-09-12
IE65459B1 (en) 1995-11-01
DK0386412T3 (da) 1994-06-20
DE59005305D1 (de) 1994-05-19

Similar Documents

Publication Publication Date Title
EP0404054B1 (en) Direct modulation phase-shift-keying system and method
SE9703001D0 (sv) Optical transmitter system and method
CA2037351A1 (en) Optical transmitter
MY126431A (en) Method and apparatus for generating a linearly modulated signal using polar modulation.
CA2197624A1 (en) Hybrid single sideband optical modulator
CA2051227A1 (en) Apparatus and method for linearizing the operation of an external optical modulator
MY114537A (en) Method and apparatus for transmitting an intermittent signal in a ratio communication
EP1526665A3 (en) Optical phase modulation
US4199821A (en) Data transmission
CA2118407A1 (en) Optical Clock Recovery
PT93368A (pt) Modulador com modulacao de desvio minimo gaussiano (gmsk)
EP0295673A3 (en) Light scanning apparatus
KR880013028A (ko) 광학 rf 위상 등화(等化)를 위한 방법 및 장치
CA2254899A1 (en) Optical synchronisation arrangement
JP2586087B2 (ja) 光受信装置
KR100458283B1 (ko) 반도체 광증폭기를 이용한 전광 ｎａｎｄ 논리소자 구현장치
JPS5660149A (en) Transmitter for multiphase multilevel modulated signal accompanying amplitude modulation
SU1148127A2 (ru) Устройство дл введени символьной информации в цветовой телевизионный сигнал
ATE35601T1 (de) Digitales rf-direktmodulationsverfahren und schaltungsanordnung zu seiner durchfuehrung.
JPH11252051A (ja) デマルチプレクサ
JPS56144589A (en) Fm modulation system of semiconductor laser
ATE163334T1 (de) Verfahren und anordnung zur optischen nachrichtenübertragung
JPS57106208A (en) Ssb receiver
KR940008411A (ko) 멀티(Multi)방송 방식의 고주파(RF)변조장치 및 방법
JPS56125125A (en) Light modulating circuit

Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19960206

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19970831