Communication system, server, router, and mobile...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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Details

C370S328000, C370S338000, C455S439000, C455S436000

Reexamination Certificate

active

07406064

ABSTRACT:
Mobile terminals have the problem of large packet loss during movement because the mobile terminal has no opportunity to detect movement and generate a new care-of address until a new router advertisement is received, and also cannot register the position in the home agent. The present invention is characterized in including a means to automatically collect network information on access router devices in the vicinity of a particular access router device, and a means to send information in the router advertisement including information on at least one or more adjacent access router devices. The mobile terminal selects an access router device to become the next movement destination, and the most essential characteristic is a means to register the position information beforehand in the home agent.

REFERENCES:
patent: 2004/0013099 (2004-01-01), O'Neill
patent: 2004/0179489 (2004-09-01), Suzuki et al.
patent: 2005/0237962 (2005-10-01), Upp et al.
D. Johnson et al., “Mobility Support in IPv6”, Network Working Group, Standards Track, (Jun. 2004), pp. 1-130.
Rajeev Koodli, Editor, “Fast Handovers for Mobile IPv6 Draft- IETF-MIPSHOP-Fast-MIPv6-02.txt”, Mipshop Working Group, Internet Draft (Jul. 19, 2004), pp. 1-48.

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