Method and system for handoff to a destination base station...

Details Method and system for handoff to a destination base station... Method and system for handoff to a destination base station...

2008-04-29

2008-04-29

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S445000, C455S436000

Reexamination Certificate

active

10546711

ABSTRACT:
A wireless packet communication system that enables a wireless terminal to move from one wireless LAN to another while maintaining packet communication. The wireless terminal detects the electric field strength of a carrier signal from each base station during at least one back-off period, creates move destination information based on a carrier signal having the greatest electric field strength and the IP address of the currently used base station, and transmits the created Information and IP address to a server. The server writes the IP address of the wireless terminal into an edge router connected to a base station at the move destination in accordance with the information and IP address created by the wireless terminal to ensure that the packet data from a remote party is transmitted from the base station at the move destination.

REFERENCES:
patent: 6763007 (2004-07-01), La Porta et al.
patent: 6947408 (2005-09-01), Liberti et al.
patent: 2001/0024953 (2001-09-01), Balogh
patent: 2002/0085516 (2002-07-01), Bridgelall
patent: 2002/0123345 (2002-09-01), Schuster et al.
patent: 2004/0039817 (2004-02-01), Lee et al.
patent: 1 124 398 (2001-08-01), None
patent: WO 01/39538 (2001-05-01), None

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