CA2049284A1

Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system

Abstract

An alternate home channel for a land mobile transmission trunked communication system designates one of a plurality of repeaters for a given site or coverage zone as an alternate home repeater. The control signals transmitted over the subaudio band for all home channel repeaters in that site are also duplicatively transmitted over the subaudio band of the alternate home repeater. Each mobile transceiver will be programmed with two channel numbers. One for the home repeater and the other for the site alternate home repeater. When the power is turned on, the mobile transceiver determines which repeater to monitor by scanning both the home and alternate home channels. When a valid control message is detected on either channel, that channel becomes the monitor channel. Operation of the mobile transceiver is then generally similar to prior operation, with the exception that the monitor channel (either home or alternate home channel) is used instead of just the home channel.

Term

Term ended

Projected expiry passed 30 March 2010, 16.5 years ago.

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17 members in 7 offices

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Priority claims14

Priority claims
DocumentOfficeKindDate
332675United States of America
33267589United States of AmericaA
33267589United States of AmericaA
448004United States of America
44800489United States of AmericaA
44800489United States of AmericaA
9001676United States of AmericaW
9001676United States of AmericaW
332675
448004
PCTUS9001676
US19890332675
US19890448004
WO1990US01676

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DocumentOfficeKind
CA2049284A1This recordCanadaA1
EP0390214A2European Patent Office (EPO)A2
WO9012461A1World Intellectual Property Organization (WIPO)A1
AU5434390AAustraliaA
US5040237AUnited States of AmericaA
BR9007257ABrazilA
EP0390214A3European Patent Office (EPO)A3
JPH04504342AJapanA
US5159701AUnited States of AmericaA
AU642138B2AustraliaB2
AU5308994AAustraliaA
US5440759AUnited States of AmericaA
US5465386AUnited States of AmericaA
US5548802AUnited States of AmericaA
US5613196AUnited States of AmericaA
US5815799AUnited States of AmericaA
CA2049284CCanadaC