CA2055459C - Trunking method and apparatus for establishing communication in a two-way mobile radio system - Google Patents

Trunking method and apparatus for establishing communication in a two-way mobile radio system

Info

Publication number
CA2055459C
CA2055459C CA002055459A CA2055459A CA2055459C CA 2055459 C CA2055459 C CA 2055459C CA 002055459 A CA002055459 A CA 002055459A CA 2055459 A CA2055459 A CA 2055459A CA 2055459 C CA2055459 C CA 2055459C
Authority
CA
Canada
Prior art keywords
user
channel
operable
subaudible
method defined
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
CA002055459A
Other languages
English (en)
French (fr)
Inventor
Edward K. Johnson
Fred E. Stuebner
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.)
Etrunk Systems Inc
Original Assignee
Etrunk Systems 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 Etrunk Systems Inc filed Critical Etrunk Systems Inc
Application granted granted Critical
Publication of CA2055459C publication Critical patent/CA2055459C/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)
  • Transceivers (AREA)
CA002055459A 1990-02-16 1991-02-14 Trunking method and apparatus for establishing communication in a two-way mobile radio system Expired - Fee Related CA2055459C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/481,974 US5125101A (en) 1990-02-16 1990-02-16 Trunking method and apparatus for establishing communication in a two-way mobile radio system
US481,974 1990-02-16

Publications (1)

Publication Number Publication Date
CA2055459C true CA2055459C (en) 1996-05-07

Family

ID=23914140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002055459A Expired - Fee Related CA2055459C (en) 1990-02-16 1991-02-14 Trunking method and apparatus for establishing communication in a two-way mobile radio system

Country Status (5)

Country Link
US (1) US5125101A (enExample)
EP (1) EP0515512A4 (enExample)
AU (1) AU632444B2 (enExample)
CA (1) CA2055459C (enExample)
WO (1) WO1991012670A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5247566A (en) * 1990-03-15 1993-09-21 Aisin Seiki Kabushiki Kaisha Apparatus for the transmission and reception of data
US5396651A (en) * 1992-04-01 1995-03-07 The Boeing Company Radio communication system including indication that communication link is established
US5649050A (en) * 1993-03-15 1997-07-15 Digital Voice Systems, Inc. Apparatus and method for maintaining data rate integrity of a signal despite mismatch of readiness between sequential transmission line components
DE4418234C2 (de) * 1994-05-25 1996-07-18 Innotech Tech Innovationen Gmb Kodierbare Sende-/Empfangseinheit zur Datenübertragung bei einer Kontaktanbahnung sowie Verfahren zum Betreiben der Sende-/Empfangseinheit
FI97503C (fi) * 1995-01-12 1996-12-27 Nokia Telecommunications Oy Matkaviestinjärjestelmän toistin
CN1055366C (zh) * 1995-09-28 2000-08-09 深圳市华为技术有限公司 基于程控交换机的蜂窝式集群通信方法及其系统
DE69818353D1 (de) 1997-06-16 2003-10-30 Racal Comm Systems Ltd Funkkommunikationssystem
RU2154922C1 (ru) * 1998-12-23 2000-08-20 Закрытое акционерное общество Научно-производственная фирма "Сигма" Устройство вызова и ведения радиосвязи
FR2802380B1 (fr) * 1999-12-13 2002-02-15 Matra Nortel Communications Procede de controle d'un canal de communication partage par plusieurs stations, et station d'emission/reception pour la mise en oeuvre du procede
US6801524B2 (en) 2000-01-31 2004-10-05 Sonim Technologies, Inc. System for dispatching information packets and method therefor
CA2473129C (en) * 2002-01-11 2011-08-30 Hubbell Incorporated Scanning tone remote adapter for land-mobile radio dispatch for use with dispersed dispatch stations
US20050222752A1 (en) * 2004-04-05 2005-10-06 Sokola Raymond L Method for enabling communications dependent on user location, user-specified location or orientation
US7606291B2 (en) * 2006-07-14 2009-10-20 Motorola, Inc. Method and system for transmit frequency hopping
US7881737B2 (en) 2006-08-31 2011-02-01 Motorola, Inc. Method and apparatus for acquiring and establishing a deployable communication system
US20080058027A1 (en) * 2006-08-31 2008-03-06 Motorola, Inc. Method and apparatus for acquiring and establishing a deployable communication system
US7612670B2 (en) * 2006-08-31 2009-11-03 Motorola, Inc. Method and apparatus for acquiring and establishing a deployable communication system
US20190306639A1 (en) * 2018-03-27 2019-10-03 Darren La Groe Apparatus for Controlling the Transmission of Communications Using a Proximity Sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013958A (en) * 1975-10-14 1977-03-22 The Magnavox Company Sampled communication system
US4409687A (en) * 1978-10-30 1983-10-11 General Electric Company Arrangement and method for establishing radio communication in a system
US4360927A (en) * 1979-03-12 1982-11-23 General Electric Company Repeater trunking system
US4484355A (en) * 1983-04-11 1984-11-20 Ritron, Inc. Handheld transceiver with frequency synthesizer and sub-audible tone squelch system
US4658435A (en) * 1984-09-17 1987-04-14 General Electric Company Radio trunking system with transceivers and repeaters using special channel acquisition protocol
US4905302A (en) * 1987-06-03 1990-02-27 General Electric Company Trunked radio repeater system
US4939746A (en) * 1987-06-03 1990-07-03 General Electric Company Trunked radio repeater system

Also Published As

Publication number Publication date
AU632444B2 (en) 1992-12-24
US5125101B1 (enExample) 1994-01-18
AU7331691A (en) 1991-09-03
WO1991012670A1 (en) 1991-08-22
EP0515512A4 (en) 1993-09-08
EP0515512A1 (en) 1992-12-02
US5125101A (en) 1992-06-23

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 19990215