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GB2337426B - Radio communications system - Google Patents

Radio communications system

Info

Publication number
GB2337426B
GB2337426B GB9911286A GB9911286A GB2337426B GB 2337426 B GB2337426 B GB 2337426B GB 9911286 A GB9911286 A GB 9911286A GB 9911286 A GB9911286 A GB 9911286A GB 2337426 B GB2337426 B GB 2337426B
Authority
GB
United Kingdom
Prior art keywords
communications system
radio communications
radio
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
GB9911286A
Other versions
GB2337426A (en
GB9911286D0 (en
Inventor
Andrew James Richardson
Adrian Paul Hillier
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.)
Simoco International Ltd
Original Assignee
Simoco International Ltd
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 Simoco International Ltd filed Critical Simoco International Ltd
Publication of GB9911286D0 publication Critical patent/GB9911286D0/en
Publication of GB2337426A publication Critical patent/GB2337426A/en
Application granted granted Critical
Publication of GB2337426B publication Critical patent/GB2337426B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9911286A 1998-05-14 1999-05-14 Radio communications system Expired - Fee Related GB2337426B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9810394.8A GB9810394D0 (en) 1998-05-14 1998-05-14 Radio communications system

Publications (3)

Publication Number Publication Date
GB9911286D0 GB9911286D0 (en) 1999-07-14
GB2337426A GB2337426A (en) 1999-11-17
GB2337426B true GB2337426B (en) 2002-09-25

Family

ID=10832074

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9810394.8A Ceased GB9810394D0 (en) 1998-05-14 1998-05-14 Radio communications system
GB9911286A Expired - Fee Related GB2337426B (en) 1998-05-14 1999-05-14 Radio communications system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9810394.8A Ceased GB9810394D0 (en) 1998-05-14 1998-05-14 Radio communications system

Country Status (4)

Country Link
EP (1) EP1078548A1 (en)
AU (1) AU3941899A (en)
GB (2) GB9810394D0 (en)
WO (1) WO1999059368A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010958A1 (en) 2000-03-06 2001-09-20 Siemens Ag Intersystem relaying method enabling efficient and reliable relaying - involves initiating transmission quality measurement for transmission to base station in second communications system if threshold not reached in first system
JP4257040B2 (en) * 2000-06-30 2009-04-22 日本電気株式会社 Propagation environment notification method and notification system in wireless communication system, and recording medium recording control program
GB2369957B (en) * 2000-07-27 2003-11-19 Motorola Inc Communication system,radio unit and method of performing a handover
AU2001295320A1 (en) * 2000-10-13 2002-04-22 Nortel Networks Limited Mobile station driven cell switching and handoff with load balancing for wireless systems
US7068626B2 (en) 2001-08-16 2006-06-27 Interdigital Technology Corporation Method of using a mobile unit to autonomously determine a serving cell
AU2003258736A1 (en) * 2003-08-08 2005-02-25 Teltronic S.A.U. System for tetra synchronisation with an adjacent zone
ES2303461B1 (en) * 2003-08-08 2009-06-04 Teltronic S.A.U. TETRA SYNCHRONIZATION SYSTEM WITH ADJACENT AREA.
FR2892591B1 (en) 2005-10-20 2008-01-04 Eads Telecom Soc Par Actions S MANAGING INTERCELLULAR TRANSFERS IN GROUP COMMUNICATIONS
US8576733B2 (en) 2008-08-27 2013-11-05 Qualcomm Incorporated Control of access terminal operation based on interference information
US8805372B2 (en) * 2009-03-20 2014-08-12 Qualcomm Incorporated Systems and methods for reselecting cells in a cellular wireless communication system
US9001737B2 (en) * 2012-03-29 2015-04-07 Qualcomm Incorporated EMBMS service activation and maintenance procedure in multi-frequency networks
EP3081036A1 (en) * 2013-12-12 2016-10-19 Telefonaktiebolaget LM Ericsson (publ) Method and mobile station for base station measurements
CN115694690B (en) * 2022-10-19 2024-06-04 中国移动通信集团四川有限公司 Method and device for determining radio interference type and electronic equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285447A (en) * 1991-04-01 1994-02-08 Motorola, Inc. Target channel verification in a radiotelephone system
US5375123A (en) * 1993-02-05 1994-12-20 Telefonakitebolaget L. M. Ericsson Allocation of channels using interference estimation
WO1995028808A1 (en) * 1994-04-15 1995-10-26 Nokia Telecommunications Oy Handover method and arrangement
EP0717580A2 (en) * 1994-12-14 1996-06-19 AT&T Corp. Handover method based upon channel quality measurements
WO1997024895A2 (en) * 1996-01-03 1997-07-10 Metawave Communications Corporation Method and apparatus for improved control over cellular systems
US5752190A (en) * 1993-07-30 1998-05-12 Hughes Electronics Supervisory audio tone based carrier-to-interference measurement in a mobile cellular communication system
WO1999014972A2 (en) * 1997-09-17 1999-03-25 Nokia Mobile Phones Limited Advanced method for executing handover

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466081B (en) * 1990-04-26 1991-12-09 Ericsson Telefon Ab L M PROCEDURES FOR HANDOFFS IN A MOBILE RADIO SYSTEM
SE466426B (en) * 1990-07-06 1992-02-10 Ericsson Telefon Ab L M PROCEDURES FOR HANDOFFS IN A MOBILE RADIO SYSTEM
US5854981A (en) * 1995-08-08 1998-12-29 Telefonaktiebolaget L M Ericsson Adaptive neighbor cell list

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285447A (en) * 1991-04-01 1994-02-08 Motorola, Inc. Target channel verification in a radiotelephone system
US5375123A (en) * 1993-02-05 1994-12-20 Telefonakitebolaget L. M. Ericsson Allocation of channels using interference estimation
US5752190A (en) * 1993-07-30 1998-05-12 Hughes Electronics Supervisory audio tone based carrier-to-interference measurement in a mobile cellular communication system
WO1995028808A1 (en) * 1994-04-15 1995-10-26 Nokia Telecommunications Oy Handover method and arrangement
EP0717580A2 (en) * 1994-12-14 1996-06-19 AT&T Corp. Handover method based upon channel quality measurements
WO1997024895A2 (en) * 1996-01-03 1997-07-10 Metawave Communications Corporation Method and apparatus for improved control over cellular systems
WO1999014972A2 (en) * 1997-09-17 1999-03-25 Nokia Mobile Phones Limited Advanced method for executing handover

Also Published As

Publication number Publication date
GB2337426A (en) 1999-11-17
GB9810394D0 (en) 1998-07-15
AU3941899A (en) 1999-11-29
WO1999059368A1 (en) 1999-11-18
GB9911286D0 (en) 1999-07-14
EP1078548A1 (en) 2001-02-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080514