Mobile radio communications method avoiding unnecessary transmissions in environment of unknown channel allocation
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United States of America Patent
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-
Apr 28, 1992
Grant Date -
N/A
app pub date -
Sep 6, 1990
filing date -
Sep 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of communication in at least one cellular mobile radio system in an environment of additional mobile radio systems with mobile stations capable of communication with more than one of the systems on any of a predetermined group of radio channels, not all systems being capable and allowed to use all of the radio channels in the predetermined group, wherein all base stations transmit on at least one of the radio channels in the group information regarding system and base identity and the channels of the system, wherein a mobile station is prevented from transmitting on any of the radio channels until after receiving information on base and system identify and the channels of the system, and the allocation of a radio channel in the group for a call is determined by a mobile seizing an idle channel.
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