Communication terminal out of range determination method, wireless communication system switching method and communication terminal
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United States of America Patent
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Mar 27, 2012
Grant Date -
Dec 9, 2010
app pub date -
Jun 29, 2010
filing date -
May 29, 2003
priority date (Note) -
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Abstract
There is provided a communication terminal out of range determination method, a wireless communication system switching method and a communication terminal, capable of determining accurately whether or not a communication terminal is out of range. Determining whether or not the communication terminal is out of range is based on a transmission level of a transmission signal from the communication terminal to a base station.
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