Direct cellular communication
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United States of America Patent
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Feb 3, 2009
Grant Date -
Jul 27, 2006
app pub date -
Sep 26, 2003
filing date -
Sep 26, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to radio communication in a mobile station operating on cellular frequency bands, and/or on a frequency band separated from cellular frequency bands, for transmitting and receiving calls outside a cellular network through direct communication between cellular mobile stations. It also relates to a method in a cellular telephony system comprising at least two mobile stations communicating.
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