Simultaneous voice and data modem
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United States of America Patent
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Sep 11, 2007
Grant Date -
Nov 27, 2003
app pub date -
Sep 11, 2002
filing date -
May 24, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Simultaneous transmission of voice and data over the voice channel of a wireless communications network, such as a 'cell phone' network, is reconfigurable on the fly among multiple operating modes, including a lull detection mode in which data is transferred during a lull or quiet period in the voice content. Additionally, control signaling in the voice channel, rather than over a separate control or 'overhead' channel is employed to support SVD. The described system operates transparently over any wireless telecommunications system.
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