HK1002944A1 - Radio system with measurement and adjustment of transfer delay - Google Patents

Radio system with measurement and adjustment of transfer delay

Info

Publication number
HK1002944A1
HK1002944A1 HK98101506A HK98101506A HK1002944A1 HK 1002944 A1 HK1002944 A1 HK 1002944A1 HK 98101506 A HK98101506 A HK 98101506A HK 98101506 A HK98101506 A HK 98101506A HK 1002944 A1 HK1002944 A1 HK 1002944A1
Authority
HK
Hong Kong
Prior art keywords
radio system
transfer
transfer delay
adjustment
measurement
Prior art date
Application number
HK98101506A
Other languages
English (en)
Inventor
Alastair Norman Brydon
Anthony Charles Yarwood
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 HK1002944A1 publication Critical patent/HK1002944A1/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)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK98101506A 1991-05-24 1998-02-26 Radio system with measurement and adjustment of transfer delay HK1002944A1 (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
HK1002944A1 true HK1002944A1 (en) 1998-09-25

Family

ID=10695594

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98101506A HK1002944A1 (en) 1991-05-24 1998-02-26 Radio system with measurement and adjustment of transfer delay

Country Status (17)

Country Link
US (1) US5483677A (de)
EP (2) EP0515214B1 (de)
JP (1) JPH06508727A (de)
AT (1) ATE157824T1 (de)
AU (1) AU1791892A (de)
CA (1) CA2103442C (de)
DE (1) DE69221938T2 (de)
DK (1) DK0515214T3 (de)
ES (1) ES2107504T3 (de)
GB (1) GB9111313D0 (de)
HK (1) HK1002944A1 (de)
IE (1) IE80553B1 (de)
IN (1) IN182881B (de)
NZ (1) NZ242860A (de)
SG (1) SG47685A1 (de)
WO (1) WO1992021184A1 (de)
ZA (1) ZA923760B (de)

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
CN1175333A (zh) * 1994-12-27 1998-03-04 艾利森公司 利用全球定位系统的联播的再同步改善
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
US5896560A (en) * 1996-04-12 1999-04-20 Transcrypt International/E. F. Johnson Company Transmit control system using in-band tone signalling
US6049720A (en) * 1996-04-12 2000-04-11 Transcrypt International / E.F. Johnson Company Link delay calculation and compensation system
US5991309A (en) * 1996-04-12 1999-11-23 E.F. Johnson Company Bandwidth management system for a remote repeater network
WO1997039541A1 (en) * 1996-04-12 1997-10-23 E.F. Johnson Company Transmit control system using control tone signalling
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
DE69221938D1 (de) 1997-10-09
GB9111313D0 (en) 1991-07-17
SG47685A1 (en) 1998-04-17
EP0515214A1 (de) 1992-11-25
EP0515214B1 (de) 1997-09-03
AU1791892A (en) 1992-12-30
DE69221938T2 (de) 1998-02-05
ES2107504T3 (es) 1997-12-01
JPH06508727A (ja) 1994-09-29
NZ242860A (en) 1994-11-25
IE921666A1 (en) 1992-12-02
ATE157824T1 (de) 1997-09-15
IE80553B1 (en) 1998-09-09
IN182881B (de) 1999-07-31
CA2103442A1 (en) 1992-11-25
WO1992021184A1 (en) 1992-11-26
DK0515214T3 (da) 1998-04-14
CA2103442C (en) 1998-09-22
EP0586434A1 (de) 1994-03-16
US5483677A (en) 1996-01-09
ZA923760B (en) 1993-01-27

Similar Documents

Publication Publication Date Title
HK1002944A1 (en) Radio system with measurement and adjustment of transfer delay
KR960012480B1 (en) Simulcast synchronization and equalization system and method thereof
AU7106191A (en) Digital clock buffer circuit providing controllable delay
CA2128386A1 (en) Communication Technique Employing Variable Information Transmission
DK0730356T3 (da) Kommunikationssystem og fremgangsmåde til transmission af forskellige typer data
NZ311127A (en) Digital communications network, outstations apply timing adjustment to compensate for transmission delays
GR3022718T3 (en) Method for radiosynchronization of base stations in a simulcasting network
CA2166163A1 (en) Network System as No Arbitration Control Required, Node Device Utilized in the Network System, and Transmission Control Method for the Node Device
GB2256994A (en) Tdma transceiver controller method and apparatus
DE3473105D1 (en) Frequency control for point-to-multipoint radio
CA2101944A1 (en) Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals
CA2068815A1 (en) Optical switching system
EP0841780A3 (de) Verfahren zur Kompensation von Laufzeitverzögerungen in einem ringförmigen Kommunikationsnetz
TW351875B (en) Transistor ratio controlled CMOS transmission line equalizer
DE3275693D1 (en) Multipoint connection system for subscriber stations
EP0705030A3 (de) Bildaufnahmesystem mit serieller Ein/Ausgabeverbindung zwischen Bildkanälen
JPS5760756A (en) Control system for loop line
JPS55138948A (en) Circuit control system
JPS56122257A (en) High-level data link control device for secondary station
JPS56132037A (en) Two-way time division multiple signal transmitting and receiving system
DK0541410T3 (da) Kommunikationsfremgangsmåde og indretning til overføring af digitale signaler
JPS6461127A (en) Transmission control system
FI904115A (fi) Digitaliskt radiosystem.
JPS56122258A (en) High-level data link control device for primary station
JPS6484927A (en) Burst synchronizing system for time division multiple access satellite communication system

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)