ZA923760B - Radio system - Google Patents

Radio system

Info

Publication number
ZA923760B
ZA923760B ZA923760A ZA923760A ZA923760B ZA 923760 B ZA923760 B ZA 923760B ZA 923760 A ZA923760 A ZA 923760A ZA 923760 A ZA923760 A ZA 923760A ZA 923760 B ZA923760 B ZA 923760B
Authority
ZA
South Africa
Prior art keywords
transfer
transmitters
delay
radio system
data link
Prior art date
Application number
ZA923760A
Other languages
English (en)
Inventor
Alastair Norman Brydon
Norman Brydon Alastair
Anthony Charles Yarwood
Charles Yarwood Anthony
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of ZA923760B publication Critical patent/ZA923760B/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
ZA923760A 1991-05-24 1992-05-22 Radio system ZA923760B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919111313A GB9111313D0 (en) 1991-05-24 1991-05-24 Radio system

Publications (1)

Publication Number Publication Date
ZA923760B true ZA923760B (en) 1993-01-27

Family

ID=10695594

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA923760A ZA923760B (en) 1991-05-24 1992-05-22 Radio system

Country Status (17)

Country Link
US (1) US5483677A (fr)
EP (2) EP0586434A1 (fr)
JP (1) JPH06508727A (fr)
AT (1) ATE157824T1 (fr)
AU (1) AU1791892A (fr)
CA (1) CA2103442C (fr)
DE (1) DE69221938T2 (fr)
DK (1) DK0515214T3 (fr)
ES (1) ES2107504T3 (fr)
GB (1) GB9111313D0 (fr)
HK (1) HK1002944A1 (fr)
IE (1) IE80553B1 (fr)
IN (1) IN182881B (fr)
NZ (1) NZ242860A (fr)
SG (1) SG47685A1 (fr)
WO (1) WO1992021184A1 (fr)
ZA (1) ZA923760B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361398A (en) * 1993-01-29 1994-11-01 Motorola, Inc. Method and apparatus for transmission path delay measurements using adaptive demodulation
US5481258A (en) * 1993-08-11 1996-01-02 Glenayre Electronics, Inc. Method and apparatus for coordinating clocks in a simulcast network
AU4607996A (en) * 1994-12-27 1996-07-19 Ericsson Inc. Simulcast resynchronisation improvement using global positioning system
US5742907A (en) * 1995-07-19 1998-04-21 Ericsson Inc. Automatic clear voice and land-line backup alignment for simulcast system
US6011977A (en) * 1995-11-30 2000-01-04 Ericsson Inc. RF simulcasting system with dynamic wide-range automatic synchronization
WO1997039535A2 (fr) * 1996-04-12 1997-10-23 E.F. Johnson Company Systeme de gestion des largeurs de bande pour un reseau a repeteurs tele-alimentes
US5896560A (en) * 1996-04-12 1999-04-20 Transcrypt International/E. F. Johnson Company Transmit control system using in-band tone signalling
US5991309A (en) * 1996-04-12 1999-11-23 E.F. Johnson Company Bandwidth management system for a remote repeater network
US6049720A (en) * 1996-04-12 2000-04-11 Transcrypt International / E.F. Johnson Company Link delay calculation and compensation system
US6215767B1 (en) * 1997-04-25 2001-04-10 Lucent Technologies Inc. Quality of service adjustment and traffic shaping on a multiple access network
US5953384A (en) * 1997-06-05 1999-09-14 Motorola, Inc. Automatic measurement of GPS cable delay time
TW507428B (en) * 1999-03-31 2002-10-21 Harris Corp Method and system for extending broadcast coverage on a single frequency network
JP2001156705A (ja) * 1999-11-30 2001-06-08 Nec Shizuoka Ltd 移動通信システム及び無線基地局間同期制御方法
DE102006019475B4 (de) * 2006-04-26 2008-08-28 Nokia Siemens Networks Gmbh & Co.Kg Verfahren zur Synchronisation von Baugruppen einer Basisstation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696052A (en) * 1985-12-31 1987-09-22 Motorola Inc. Simulcast transmitter apparatus having automatic synchronization capability
US4696051A (en) * 1985-12-31 1987-09-22 Motorola Inc. Simulcast transmission system having automtic synchronization
JP2615753B2 (ja) * 1988-02-10 1997-06-04 日本電気株式会社 自動位相調整方式
JP2599613B2 (ja) * 1988-03-24 1997-04-09 東北電力 株式会社 人工衛星を利用した送電線故障点標定システム
US5014344A (en) * 1990-03-19 1991-05-07 Motorola, Inc. Method for synchronizing the transmissions in a simulcast transmission system

Also Published As

Publication number Publication date
JPH06508727A (ja) 1994-09-29
AU1791892A (en) 1992-12-30
SG47685A1 (en) 1998-04-17
EP0586434A1 (fr) 1994-03-16
US5483677A (en) 1996-01-09
DE69221938T2 (de) 1998-02-05
HK1002944A1 (en) 1998-09-25
ES2107504T3 (es) 1997-12-01
IE921666A1 (en) 1992-12-02
DE69221938D1 (de) 1997-10-09
IN182881B (fr) 1999-07-31
CA2103442C (fr) 1998-09-22
CA2103442A1 (fr) 1992-11-25
EP0515214A1 (fr) 1992-11-25
IE80553B1 (en) 1998-09-09
DK0515214T3 (da) 1998-04-14
EP0515214B1 (fr) 1997-09-03
WO1992021184A1 (fr) 1992-11-26
NZ242860A (en) 1994-11-25
ATE157824T1 (de) 1997-09-15
GB9111313D0 (en) 1991-07-17

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