Method for discovering wireless network for inter-system handover, multi-mode terminal unit and inter-working service server using the method
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United States of America Patent
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Jul 20, 2010
Grant Date -
May 31, 2007
app pub date -
Jun 5, 2006
filing date -
Nov 28, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
In a wireless network discovery method according to an exemplary embodiment of the present invention, a) a propagation environment information message generated by using signal information received from the heterogeneous wireless networks is transmitted to the common core network, b) a wireless network discovery range generated by using the propagation environment information message is received from the common core network, c) it is determined if signal information received from a serving wireless network at a current location corresponds to the wireless network discovery range, and d) when the signal information corresponds to the wireless network discovery range in c), a network within the wireless network discovery range is discovered, when the signal information does not correspond to the wireless network discovery range in c), c) is periodically performed.
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