Addressing techniques for use in an internet protocol-based multimedia mobile network
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United States of America Patent
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Feb 10, 2004
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N/A
app pub date -
Jan 10, 2000
filing date -
Nov 13, 1998
priority date (Note) -
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Abstract
In an IP addressing aspect of the invention, a method for use in an Internet Protocol (IP) based communications system, comprises the steps of: (i) assigning a temporary location IP address (e.g., LIPA) to a mobile user station in the communications system, the address being a combination of an identifier of the mobile user station (e.g., MID) and an identifier of a network node in the communications system with which the mobile user station is currently associated (e.g., RID); and transferring packets to and from the mobile user station in accordance with the temporary location IP address. The method may further comprise the step of changing the temporary location IP address assigned to the mobile user station when the station becomes associated with another network node of the communications system, the changed address being a combination of the identifier of the mobile user station and an identifier of the new network node. The method may further comprise the step of assigning a location IP address to a network node in the communications system, the address being a combination of an identifier of the network node and a common identifier of mobile user stations in the communications system.
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