Handover method for mobile station having mobile IP address in mobile communication system
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United States of America Patent
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-
Dec 27, 2005
Grant Date -
Jul 4, 2002
app pub date -
Oct 26, 2001
filing date -
Oct 26, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a handover method for a mobile node (MN) having a mobile IP (Internet Protocol) address in a mobile communication system. When a handover occurs as the MN moves from the area of a first FA to the area of a second FA adjacent to the first FA, the second FA transmits a Binding Update message including the IP address of the second FA and an acknowledgement request to the first FA. In response to the Binding Update message, the first FA transmits a Binding Acknowledge message to the second FA, including a field indicative of the IP tunneling capability of a router connected to a corresponding node (CN) to which the MN connects a call.
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