InterDigital Inc (IDCC)

[Gamco]

United States Patent 7,480,721
Shaheen January 20, 2009

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Method and system for user initiated inter-device, inter-system, and inter-internet protocol address handoff


Abstract
Apparatus and method by which Internet Protocol (IP) traffic can be transferred (i.e. handoff) between two different terminals operating according to two different technology standards in two different systems with two different IP addresses. For example, a session handoff can be made between a terminal in Wireless Local Area Network (WLAN) a terminal in a 3GPP UMTS or between a terminal in CDMA2000 and a terminal in a 3GPP UMTS. These terminals can be either physically separate entities or logical entities that are encapsulated within a common enclosure.


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Inventors: Shaheen; Kamel M. (King of Prussia, PA)
Assignee: InterDigital Technology Corporation (Wilmington, DE)

Appl. No.: 10/653,577
Filed: September 2, 2003

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Related U.S. Patent Documents

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Application Number Filing Date Patent Number Issue Date
60408475 Sep., 2002


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Current U.S. Class: 709/227 ; 709/224
Current International Class: G06F 15/16 (20060101); G06F 15/173 (20060101)
Field of Search: 709/220,223,227,228,208,209,230