DE69420548T2 - Verbesserungen an duplex fernmeldesystemen - Google Patents

Verbesserungen an duplex fernmeldesystemen

Info

Publication number
DE69420548T2
DE69420548T2 DE69420548T DE69420548T DE69420548T2 DE 69420548 T2 DE69420548 T2 DE 69420548T2 DE 69420548 T DE69420548 T DE 69420548T DE 69420548 T DE69420548 T DE 69420548T DE 69420548 T2 DE69420548 T2 DE 69420548T2
Authority
DE
Germany
Prior art keywords
telecommunication systems
duplex telecommunication
duplex
systems
telecommunication
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
DE69420548T
Other languages
English (en)
Other versions
DE69420548D1 (de
Inventor
Graham Beesley
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69420548D1 publication Critical patent/DE69420548D1/de
Publication of DE69420548T2 publication Critical patent/DE69420548T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/269—Master/slave synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69420548T 1993-02-15 1994-02-14 Verbesserungen an duplex fernmeldesystemen Expired - Fee Related DE69420548T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939302975A GB9302975D0 (en) 1993-02-15 1993-02-15 Improvements relating to duplex communications systems
PCT/GB1994/000295 WO1994018764A1 (en) 1993-02-15 1994-02-14 Improvements relating to duplex communications systems

Publications (2)

Publication Number Publication Date
DE69420548D1 DE69420548D1 (de) 1999-10-14
DE69420548T2 true DE69420548T2 (de) 1999-12-23

Family

ID=10730452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420548T Expired - Fee Related DE69420548T2 (de) 1993-02-15 1994-02-14 Verbesserungen an duplex fernmeldesystemen

Country Status (5)

Country Link
EP (1) EP0683944B1 (de)
AU (1) AU6007594A (de)
DE (1) DE69420548T2 (de)
GB (1) GB9302975D0 (de)
WO (1) WO1994018764A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288951A (en) * 1994-04-25 1995-11-01 Cirkisys Technology Ltd Synchronising simulcast systems
US5784368A (en) * 1994-09-23 1998-07-21 Motorola, Inc. Method and apparatus for providing a synchronous communication environment
SE514245C2 (sv) * 1995-02-01 2001-01-29 Telia Ab Synkronisering av virtuella basstationer vid ett DECT-system
SE513449C2 (sv) * 1995-03-15 2000-09-18 Telia Ab Förfarande för radiosynkronisering av DECT-system
ES2138349T3 (es) 1995-05-31 2000-01-01 Siemens Ag Sistema de telecomunicacion celular sin hilos con conexion isdn.
FR2739244B1 (fr) * 1995-09-26 1997-11-14 Alcatel Mobile Comm France Station de base pour systeme cellulaire de radiocommunications mobiles et systeme de synchronisation de telles stations de base
DE19536587C2 (de) * 1995-09-29 1999-07-29 Siemens Ag Verfahren zum Synchronisieren von Basisstationen eines drahtlosen Mehrzellen-Telekommunikationssystems sowie Basisstation eines drahtlosen Mehrzellen-Telekommunikationssystems
SE504081C2 (sv) 1995-11-29 1996-11-04 Telia Ab Metod och anordning för att synkronisera DECT-nät
GB2309357B (en) * 1996-01-18 2000-08-16 Nokia Mobile Phones Ltd Communicating between base stations and cellular mobile phones
JP2785789B2 (ja) * 1996-02-09 1998-08-13 日本電気株式会社 ディジタル移動通信システム
FR2744864B1 (fr) * 1996-02-12 1998-03-27 Telecommunications Sa Dispositif de synchronisation de bornes radio
GB2321827B (en) * 1997-01-31 2001-06-13 Ericsson Telefon Ab L M Telecommunications system
AT406994B (de) * 1998-04-20 2000-11-27 Siemens Ag Oesterreich Verfahren zur steuerung der basisstation eines funktelefonsystems und basisstation eines funktelefonsystems
US6542754B1 (en) * 1999-05-12 2003-04-01 Cisco Systems, Inc. Synchronizing clock signals in wireless networks
GB9921008D0 (en) * 1999-09-06 1999-11-10 Nokia Telecommunications Oy Network frequency setting
US6975877B1 (en) 2001-10-17 2005-12-13 Cisco Technology, Inc. System and method for synchronizing clock dividers in a wireless network

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022425A1 (de) * 1980-06-14 1981-12-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zum zeitgleichen aussenden von nachrichten ueber mehrere gleichwellensender
FI71452C (fi) * 1985-04-10 1986-12-19 Arvo Mustonen Synkroniseringsfoerfarande foer ett lokalt t ex riksomfattandepersonsoekarnaets radiosaendare
US4718109A (en) * 1986-03-06 1988-01-05 Motorola, Inc. Automatic synchronization system
GB2235352A (en) * 1989-08-18 1991-02-27 Byps Communications Ltd Synchronising primary stations in cordless telephone system
GB8919188D0 (en) * 1989-08-23 1989-10-04 Ferranti Creditphone Telephone systems

Also Published As

Publication number Publication date
GB9302975D0 (en) 1993-03-31
EP0683944B1 (de) 1999-09-08
DE69420548D1 (de) 1999-10-14
AU6007594A (en) 1994-08-29
WO1994018764A1 (en) 1994-08-18
EP0683944A1 (de) 1995-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee