Group call service using broadcast radio bearer
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United States of America Patent
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Dec 30, 2008
Grant Date -
Apr 12, 2007
app pub date -
Sep 14, 2006
filing date -
Sep 29, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method for to establish a wireless group call from one of a plurality of communication units to others communication units includes a first step of receiving, from a requesting communication unit a request for a group call with other communication units of the group. A next step includes allocating a common downlink channel for the group call. A next step includes allocating a dedicated uplink channel for the requesting communication unit. A next step includes switching one of the communication units between the common channel mode and a dedicated channel mode depending upon performance criteria.
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