DK524989A - Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere - Google Patents

Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere

Info

Publication number
DK524989A
DK524989A DK524989A DK524989A DK524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A DK 524989 A DK524989 A DK 524989A
Authority
DK
Denmark
Prior art keywords
phase
frequency
modulation
signals
transmitter
Prior art date
Application number
DK524989A
Other languages
Danish (da)
English (en)
Other versions
DK524989D0 (da
Inventor
Joel Sandahl
Michael P O'brien
Thomas P Donaher
Original Assignee
Simulcomm Partnership Of Cellu
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 Simulcomm Partnership Of Cellu filed Critical Simulcomm Partnership Of Cellu
Publication of DK524989D0 publication Critical patent/DK524989D0/da
Publication of DK524989A publication Critical patent/DK524989A/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)
  • Optical Communication System (AREA)
  • Table Devices Or Equipment (AREA)
  • Magnetic Ceramics (AREA)
  • Toys (AREA)
DK524989A 1988-10-24 1989-10-23 Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere DK524989A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/261,530 US5031230A (en) 1988-10-24 1988-10-24 Frequency, phase and modulation control system which is especially useful in simulcast transmission systems

Publications (2)

Publication Number Publication Date
DK524989D0 DK524989D0 (da) 1989-10-23
DK524989A true DK524989A (da) 1990-04-25

Family

ID=22993727

Family Applications (1)

Application Number Title Priority Date Filing Date
DK524989A DK524989A (da) 1988-10-24 1989-10-23 Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere

Country Status (11)

Country Link
US (1) US5031230A (fr)
EP (1) EP0367077B1 (fr)
JP (1) JP3069568B2 (fr)
KR (1) KR0127640B1 (fr)
AT (1) ATE175533T1 (fr)
AU (1) AU628393B2 (fr)
CA (1) CA1300236C (fr)
DE (1) DE68928896T2 (fr)
DK (1) DK524989A (fr)
FI (1) FI894986A0 (fr)
NO (1) NO894166L (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972439A (en) * 1989-01-19 1990-11-20 Motorola, Inc. Active signalling transmitter control
US5239671A (en) * 1990-11-13 1993-08-24 Pagemart, Inc. Simulcast satellite paging system with provision for signal interruption
US5689808A (en) * 1991-10-10 1997-11-18 Motorola, Inc. Multiple channel automatic simulcast control system
NL9101908A (nl) * 1991-11-15 1993-06-01 Ericsson Radio Systems Bv Zenderingangstrap met adaptieve frequentiedeviatiebesturing.
GB2262205B (en) * 1991-12-04 1995-12-13 Motorola Gmbh Simulcast communications system
US5473638A (en) * 1993-01-06 1995-12-05 Glenayre Electronics, Inc. Digital signal processor delay equalization for use in a paging system
US5651049A (en) * 1994-08-30 1997-07-22 Harris Corporation RF connected message recording device and method for a telephone system
US5648999A (en) * 1994-08-30 1997-07-15 Harris Corporation Remote recording device and method
US5995850A (en) * 1997-04-02 1999-11-30 Glenayre Electronics, Inc. Method and apparatus for on-the-fly mode change in a paging transmitter
US6167351A (en) * 1998-03-24 2000-12-26 Tektronix, Inc. Period determination of a periodic signal
JP3988392B2 (ja) * 2001-01-24 2007-10-10 日本電気株式会社 携帯無線端末、ａｆｃ制御方法及びａｆｃ制御プログラム
JP3649179B2 (ja) * 2001-12-04 2005-05-18 住友電気工業株式会社 移動体通信装置
CN1705980A (zh) * 2002-02-18 2005-12-07 皇家飞利浦电子股份有限公司 参数音频编码
US20030189904A1 (en) * 2002-04-04 2003-10-09 Li Jonathan Q. Sampling fractal internet protocol traffic with bounded error tolerance and response time
DE10354468A1 (de) 2003-11-21 2005-06-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Überwachung der Trägerfrequenzstabilität von Sendern in einem Gleichwellennetz
US20080089313A1 (en) * 2006-10-11 2008-04-17 Cayo Jerald M Traceable record generation system and method using wireless networks
KR101335859B1 (ko) * 2011-10-07 2013-12-02 주식회사 팬택 통신 기기의 음성 통화 품질 최적화 시스템
US9832093B1 (en) * 2014-02-26 2017-11-28 Keysight Technologies, Inc. Method for injecting timing variations into continuous signals

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023116A (en) * 1976-07-08 1977-05-10 Fairchild Camera And Instrument Corporation Phase-locked loop frequency synthesizer
US4188582A (en) * 1978-04-10 1980-02-12 Motorola, Inc. Simulcast transmission system having phase-locked remote transmitters
US4316152A (en) * 1979-09-24 1982-02-16 Hewlett-Packard Company Data tracking phase locked loop
US4305045A (en) * 1979-11-14 1981-12-08 Bell Telephone Laboratories, Incorporated Phase locked loop clock synchronizing circuit with programmable controller
DE3035759A1 (de) * 1980-09-22 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum ausgleichen von laufzeitunterschieden bei der uebertragung von signalen zu gleichwellen-funksendern
FR2516249B1 (fr) * 1981-11-10 1985-09-06 Tech Electro Cie Indle Dispositif de compensation d'une horloge locale et dispositif de radio-navigation, notamment omega, le comprenant
SE439083B (sv) * 1981-11-30 1985-05-28 Ellemtel Utvecklings Ab Sett att bringa en oscillator i fas med en inkommande signal jemte anordning for genomforandet av settet
US4516269A (en) * 1982-12-10 1985-05-07 Michigan Consolidated Gas Company Automatic equalization for a simulcast communication system
JPS60501286A (ja) * 1983-05-12 1985-08-08 アメリカン テレフオン アンド テレグラフ カムパニ− 通信ネットワ−ク
US4715001A (en) * 1984-08-23 1987-12-22 Motorola, Inc. Extremely accurate automatic frequency control circuit and method therefor
DE3604965C1 (de) * 1986-02-17 1987-09-10 Nixdorf Computer Ag Verfahren und Schaltungsanordnung zum Synchronisieren eines insbesondere einer Vermittlungseinrichtung zugehoerigen spannungsgesteuerten Oszillators
US4718109A (en) * 1986-03-06 1988-01-05 Motorola, Inc. Automatic synchronization system
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system

Also Published As

Publication number Publication date
EP0367077A3 (fr) 1991-08-28
ATE175533T1 (de) 1999-01-15
EP0367077A2 (fr) 1990-05-09
KR0127640B1 (ko) 1998-10-01
EP0367077B1 (fr) 1999-01-07
JP3069568B2 (ja) 2000-07-24
AU628393B2 (en) 1992-09-17
DE68928896T2 (de) 1999-09-16
KR900007194A (ko) 1990-05-09
CA1300236C (fr) 1992-05-05
FI894986A0 (fi) 1989-10-19
NO894166D0 (no) 1989-10-19
NO894166L (no) 1990-04-25
US5031230A (en) 1991-07-09
DE68928896D1 (de) 1999-02-18
AU4247389A (en) 1990-04-26
JPH02180448A (ja) 1990-07-13
DK524989D0 (da) 1989-10-23

Similar Documents

Publication Publication Date Title
DK524989D0 (da) Anlaeg og fremgangsmaade til styring af frekvens, fase og modulation isaer i transmissionssystemer, hvor de samme signaler udsendes simultant fra et antal sendere
US4774715A (en) Device for demodulating a spread spectrum signal
US4361890A (en) Synchronizing system
DE69738236D1 (de) Bestimmung von frequenzoffsets in ubertragungsystemen
CA2133223A1 (fr) Appareil utilisant une demodulation adaptative pour mesurer le retard dans un trajet de transmission
MY126860A (en) Radio positioning systems
CA2102495A1 (fr) Methode et dispositif de correction du decalage de la frequence de porteuse pour systeme de communication amrt
KR950700651A (ko) Psk 복조기(psk demodulator)
BR9611821A (pt) Correção de desvio de frequência em terminais de assinantes
DE69123475D1 (de) Frequenzsteuerung in Einseitenband-Mobilfunksystemen
HUP9902441A2 (hu) Vezeték nélküli adatmodem
FI98673C (fi) Automaattinen radiolähettimen viritys
DE69422882D1 (de) Steuervorrichtungen für digitale Funkempfänger
ES2040710T3 (es) Procedimiento para la transmision de senales digitales en sistemas radiofonia movil.
HUP9902406A2 (hu) Vezeték nélküli adatmodem
EP0315377B1 (fr) Système de navigation du type LORAN-C
WO1983001878A1 (fr) Dispositif de decalage aleatoire de frequences pour des systemes de communication radio a emission relayee et emetteurs multiples
HU896588D0 (en) Radio receiver for satellite station programmes
KR960004957B1 (ko) 디지탈 통신단말장치의 송수신지연시간 보정방법
SU518011A1 (ru) Устройство дл адаптивного приема сигналов
SU496689A1 (ru) Способ фазировани сигналов подчиненных станций в цифровой системе св зи
JPS573449A (en) Error correcting system
NL7801649A (en) Data transmission system with measured values modulating IR beam - has receiver with two sensitive elements to distinguish between information and interference signals
GB2088172A (en) Improvements in or Relating to Circuit Arrangements for the Modulation of Signals Transmitted by Fixed Stations of Single Frequency Mobile Radio Systems
Flanagan County-wide communications systems utilizing simulcasting technique

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment