Method and apparatus for reducing latency in waking up a group of dormant communication devices
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United States of America Patent
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Apr 20, 2004
Grant Date -
Nov 21, 2002
app pub date -
Dec 4, 2001
filing date -
May 15, 2001
priority date (Note) -
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Abstract
A method and apparatus for reducing dormant-wakeup latency in a group communication network provides for a significant reduction in the actual total dormant-wakeup time and the PTT latency perceived by the talker through caching the network-initiated wakeup triggers destined for target listeners, and delivering a wakeup trigger to a target mobile station as soon as the target mobile station has re-established its traffic channel.
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