Power economising in multiple user radio systems
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United States of America Patent
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-
Dec 29, 1992
Grant Date -
N/A
app pub date -
Nov 30, 1989
filing date -
Dec 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multiple user radio system comprising at least one primary station and a plurality of secondary stations by way of a control channel. The primary station in use sets a value, in a transmitted message from which a secondary station wanting to economise on power can derive a period during which it can switch-off at least its radio section. The radio system may comprise a radiopaging system or a radio trunking system using an Aloha protocol. In the case of a radio trunking system using an Aloha protocol, the value comprises the Aloha number.
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