GB2277232B - A communications system and a mobile radio - Google Patents

A communications system and a mobile radio

Info

Publication number
GB2277232B
GB2277232B GB9305824A GB9305824A GB2277232B GB 2277232 B GB2277232 B GB 2277232B GB 9305824 A GB9305824 A GB 9305824A GB 9305824 A GB9305824 A GB 9305824A GB 2277232 B GB2277232 B GB 2277232B
Authority
GB
United Kingdom
Prior art keywords
communications system
mobile radio
radio
mobile
communications
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
GB9305824A
Other versions
GB2277232A (en
GB9305824D0 (en
Inventor
Tony Van Den Heuvel
Ken Crisler
Steve Valentine
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Priority to GB9305824A priority Critical patent/GB2277232B/en
Publication of GB9305824D0 publication Critical patent/GB9305824D0/en
Publication of GB2277232A publication Critical patent/GB2277232A/en
Application granted granted Critical
Publication of GB2277232B publication Critical patent/GB2277232B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9305824A 1993-03-20 1993-03-20 A communications system and a mobile radio Expired - Fee Related GB2277232B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9305824A GB2277232B (en) 1993-03-20 1993-03-20 A communications system and a mobile radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9305824A GB2277232B (en) 1993-03-20 1993-03-20 A communications system and a mobile radio

Publications (3)

Publication Number Publication Date
GB9305824D0 GB9305824D0 (en) 1993-05-05
GB2277232A GB2277232A (en) 1994-10-19
GB2277232B true GB2277232B (en) 1997-06-11

Family

ID=10732452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9305824A Expired - Fee Related GB2277232B (en) 1993-03-20 1993-03-20 A communications system and a mobile radio

Country Status (1)

Country Link
GB (1) GB2277232B (en)

Families Citing this family (38)

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FI97094C (en) * 1994-11-21 1996-10-10 Nokia Telecommunications Oy Base station network testing equipment
GB2301734B (en) * 1995-05-31 1999-10-20 Motorola Ltd Communications system and method of operation
US5794155A (en) * 1995-07-03 1998-08-11 Motorola, Inc. Method and parameter prediction system for reestablishing a temporarily interrupted dynamic communication link
DE19534156C1 (en) * 1995-09-14 1996-10-17 Siemens Ag Time multiplex data packet transmission method
US5898929A (en) * 1996-08-30 1999-04-27 Telefonaktiebolaget L/M Ericsson (Publ) Method and apparatus for synchronizing private radio systems
FR2757339B1 (en) * 1996-12-12 1999-01-08 Alsthom Cge Alcatel METHOD FOR CORRECTING THE DOPPLER EFFECT IN A RADIOCOMMUNICATION NETWORK WITH MOBILE DEVICES
GB2329553B (en) * 1997-08-22 2002-08-28 Olivetti Telemedia Spa Radio communication system
JPH1198071A (en) * 1997-09-20 1999-04-09 Matsushita Electric Ind Co Ltd Cdma mobile radio terminal device
JP3391675B2 (en) * 1997-10-03 2003-03-31 松下電器産業株式会社 Mobile radio terminal using code division multiple access system
IT1295870B1 (en) * 1997-10-23 1999-05-28 Italtel Spa METHOD FOR ESTIMATING THE SPEED OF A MOBILE UNIT IN A MOBILE TELECOMMUNICATION SYSTEM
CN1306708A (en) * 1998-04-24 2001-08-01 艾利森电话股份有限公司 Absolute time synchronization for mobile positioning in cellular communications system
US6594494B1 (en) * 1998-06-30 2003-07-15 Mitsubishi Denki Kabushiki Kaisha Mobile communication terminal
US6188351B1 (en) * 1998-08-13 2001-02-13 Ericsson Inc. Method for improving signal acquistion in a global positioning system receiver
AU1743600A (en) * 1998-11-24 2000-06-13 Hughes Electronics Corporation Transmit timing control messages rate reduction in a communication system by using the rate of change of a timing information
JP2000184433A (en) * 1998-12-11 2000-06-30 Nec Corp Radio channel multiplex communication system in cdma mobile communication system
GB2347824B (en) 1999-03-05 2004-03-03 Internat Mobile Satellite Orga Communication methods and apparatus
GB2347828B (en) * 1999-03-05 2004-05-19 Internat Mobile Satellite Orga Communication methods and apparatus
GB2348571A (en) 1999-03-31 2000-10-04 Adaptive Broadband Ltd Compensating signal propagation delay
US8363757B1 (en) 1999-10-12 2013-01-29 Qualcomm Incorporated Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
AU1968101A (en) * 1999-10-21 2001-04-30 Atheros Communications, Inc. Method and apparatus for timing control in digital communication systems
WO2001052461A2 (en) * 2000-01-14 2001-07-19 Addvalue Technologies Ltd. Communication apparatus
DE10009401C2 (en) * 2000-02-28 2003-07-24 Siemens Ag Method, mobile radio system and station for determining a lead time for a connection between two stations
US6807146B1 (en) 2000-04-21 2004-10-19 Atheros Communications, Inc. Protocols for scalable communication system using overland signals and multi-carrier frequency communication
EP1277317A2 (en) 2000-04-22 2003-01-22 Atheros Communications, Inc. Multi-carrier communication systems employing variable ofdm-symbol rates and number of carriers
GB2362783B (en) * 2000-05-26 2002-08-07 Motorola Inc Mobile radio communication system and method of operating a mobile radio communication system
JP4431919B2 (en) * 2000-06-12 2010-03-17 ソニー株式会社 Mobile phone and distance measuring method
GB2381161B (en) * 2001-10-19 2005-07-27 Roke Manor Research A communication method and apparatus
ATE381157T1 (en) * 2002-08-23 2007-12-15 Teltronic S A U SYNCHRONIZATION METHOD FOR AN INFRASTRUCTURE ACCORDING TO THE TETRA STANDARD
US7289541B2 (en) 2002-12-04 2007-10-30 Raytheon Company Method for locating and tracking communication units in a synchronous wireless communication system
JP2004357015A (en) * 2003-05-29 2004-12-16 Matsushita Electric Ind Co Ltd Communication apparatus and synchronization method
FR2870414B1 (en) * 2004-05-17 2006-08-18 Alcatel Sa DETERMINATION BY A COMMUNICATION TERMINAL OF THE TIME OF PROPAGATION OF A REFERENCE SIGNAL FROM A COMMUNICATIONS MANAGEMENT EQUIPMENT
US8175548B2 (en) 2005-03-30 2012-05-08 Freescale Semiconductor, Inc. Method and device for transmitting a sequence of transmission bursts
US20070293157A1 (en) * 2006-06-20 2007-12-20 Telefonaktiebolaget L M Ericsson (Publ) Mobile Assisted Timing Alignment
CN101005325B (en) * 2006-12-07 2011-09-21 中兴通讯股份有限公司 Method for realizing advanced sending of mobile multimedia broadcast contrul list updating indication information
WO2012141630A1 (en) * 2011-04-14 2012-10-18 Telefonaktiebolaget L M Ericsson (Publ) Methods and network nodes for setting a timeout value
CN107995636B (en) * 2016-10-26 2021-08-13 华为技术有限公司 Authorization-free transmission method, terminal equipment and network equipment
EP3370349B1 (en) 2017-03-01 2023-06-07 SkyFive AG Device for a cellular communications network and method of operating such device
US11997628B2 (en) 2020-01-13 2024-05-28 Nokia Technologies Oy Advanced frequency synchronization in a mobile integrated access backhaul deployment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252999A (en) * 1978-10-04 1981-02-24 Bell Telephone Laboratories, Incorporated Signaling and ranging technique for a TDMA satellite communication system
US4653049A (en) * 1984-07-12 1987-03-24 Nec Corporation Multidirection multiplex communication systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252999A (en) * 1978-10-04 1981-02-24 Bell Telephone Laboratories, Incorporated Signaling and ranging technique for a TDMA satellite communication system
US4653049A (en) * 1984-07-12 1987-03-24 Nec Corporation Multidirection multiplex communication systems

Also Published As

Publication number Publication date
GB2277232A (en) 1994-10-19
GB9305824D0 (en) 1993-05-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080320