Method and apparatus for a talkgroup call in a wireless communication system
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United States of America Patent
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Sep 13, 2005
Grant Date -
N/A
app pub date -
Mar 24, 2000
filing date -
Mar 24, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
In a wireless code-division multiple access (CDMA) system (100), a talkgroup (101) of subscriber units is provided. A sub-talkgroup (102) of subscriber units, forming a part of the talkgroup is assigned at least one inbound channel (416-417). The talkgroup is assigned outbound channels (415). Members of the sub-talkgroup may simultaneously transmit voice information (410-411) using the at least one inbound channel, which voice information is summed (412) and re-transmitted to the talkgroup using the outbound channels. Voice information is summed so that an individual talker receives summed voice information without the individual subscriber's voice content. Subscriber units in the sub-listengroup are allowed to transmit voice information only after requesting, and receiving, an additional inbound channel.
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