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GB2271690B - A communications system - Google Patents

A communications system

Info

Publication number
GB2271690B
GB2271690B GB9221948A GB9221948A GB2271690B GB 2271690 B GB2271690 B GB 2271690B GB 9221948 A GB9221948 A GB 9221948A GB 9221948 A GB9221948 A GB 9221948A GB 2271690 B GB2271690 B GB 2271690B
Authority
GB
United Kingdom
Prior art keywords
communications system
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
GB9221948A
Other versions
GB9221948D0 (en
GB2271690A (en
Inventor
Amiram Gozes
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 Israel Ltd
Original Assignee
Motorola Israel 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 Motorola Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB9221948A priority Critical patent/GB2271690B/en
Publication of GB9221948D0 publication Critical patent/GB9221948D0/en
Priority to CA002108324A priority patent/CA2108324A1/en
Priority to CN 93119180 priority patent/CN1086649A/en
Publication of GB2271690A publication Critical patent/GB2271690A/en
Application granted granted Critical
Publication of GB2271690B publication Critical patent/GB2271690B/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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/08—Trunked mobile radio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9221948A 1992-10-17 1992-10-17 A communications system Expired - Fee Related GB2271690B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9221948A GB2271690B (en) 1992-10-17 1992-10-17 A communications system
CA002108324A CA2108324A1 (en) 1992-10-17 1993-10-13 Communications system
CN 93119180 CN1086649A (en) 1992-10-17 1993-10-16 Communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9221948A GB2271690B (en) 1992-10-17 1992-10-17 A communications system

Publications (3)

Publication Number Publication Date
GB9221948D0 GB9221948D0 (en) 1992-12-02
GB2271690A GB2271690A (en) 1994-04-20
GB2271690B true GB2271690B (en) 1996-09-11

Family

ID=10723700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9221948A Expired - Fee Related GB2271690B (en) 1992-10-17 1992-10-17 A communications system

Country Status (3)

Country Link
CN (1) CN1086649A (en)
CA (1) CA2108324A1 (en)
GB (1) GB2271690B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08214370A (en) * 1995-02-02 1996-08-20 Hitachi Denshi Ltd Terminal equipment calling method for multi-channel access communication system
EP0727914B1 (en) * 1995-02-16 2004-05-12 Siemens Aktiengesellschaft Method for establishing a call to a group of mobiles in a mobile communication network
FI101923B (en) * 1995-12-05 1998-09-15 Nokia Telecommunications Oy Distribution of speech tours to the mobile stations operating on direct channel
JP3048961B2 (en) 1997-06-09 2000-06-05 日本電気移動通信株式会社 Group communication method
US6377560B1 (en) * 1998-10-09 2002-04-23 Ericsson Inc. Group call capability in a wireless network
US6577874B1 (en) 1999-05-10 2003-06-10 Ericsson Inc. Methods and systems for providing temporary identification numbers for mobile terminals
US6532224B1 (en) 1999-05-10 2003-03-11 Ericsson, Inc. Method, systems, and terminals for assigning control channel time slots for group and individual pages
US6564049B1 (en) * 1999-05-10 2003-05-13 Ericsson Inc. Methods and systems for providing group calls with reduced setup times
US6449491B1 (en) * 1999-05-10 2002-09-10 Ericsson Inc. Apparatus and methods for conducting group calls in wireless communications systems
US6671515B1 (en) * 2000-06-06 2003-12-30 Motorola, Inc. Method and apparatus for selecting communication cells in a wireless communication system
CN1314283C (en) * 2003-09-05 2007-05-02 华为技术有限公司 Group call area setting method for cluster communication system
DE102004049907A1 (en) * 2004-10-13 2006-04-20 Infineon Technologies Ag A method of requesting or allocating a push-to-talk voice right and / or requesting or notifying queue information, push-to-talk client unit, push-to-talk control server computer, and decision unit
TWI459207B (en) * 2006-10-17 2014-11-01 Monolithic Power Systems Inc System and method for implementing a single-wire serial protocol
US8279991B2 (en) 2008-10-03 2012-10-02 Motorola Solutions, Inc. Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system
US8139597B2 (en) * 2008-10-03 2012-03-20 Motorola Solutions, Inc. Method for trunking radio frequency resources
US8358968B2 (en) 2008-10-03 2013-01-22 Motorola Solutions, Inc. Method for selecting a channel to be monitored by subscriber units that are idle in a communication system
US8503409B2 (en) 2010-04-15 2013-08-06 Motorola Solutions, Inc. Method for direct mode channel access
US8599826B2 (en) 2010-04-15 2013-12-03 Motorola Solutions, Inc. Method for synchronizing direct mode time division multiple access (TDMA) transmissions
US8462766B2 (en) 2011-03-07 2013-06-11 Motorola Solutions, Inc. Methods and apparatus for diffusing channel timing among subscriber units in TDMA direct mode

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991015932A1 (en) * 1990-04-02 1991-10-17 Motorola, Inc. Wide area trunked channel busy override

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991015932A1 (en) * 1990-04-02 1991-10-17 Motorola, Inc. Wide area trunked channel busy override

Also Published As

Publication number Publication date
GB9221948D0 (en) 1992-12-02
CN1086649A (en) 1994-05-11
GB2271690A (en) 1994-04-20
CA2108324A1 (en) 1994-04-18

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Legal Events

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

Effective date: 19981017