Method and apparatus for supporting mobility in...

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

Reexamination Certificate

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C370S342000

Reexamination Certificate

active

07912009

ABSTRACT:
Various embodiments are described for supporting mobility in an inter-technology network. Such a network (300, e.g.) includes multiple interconnected access networks, utilizing various access technologies, and perhaps having overlapping, but non-aligned coverage areas. The prior art relies on remote units to originate registration signaling as they move from one service coverage area or registration region to the next, for each of the various access networks. In contrast, embodiments of the present invention utilize network originated signaling to update overlapping networks
etwork nodes of mobility events of which one access network (120-122, e.g.) is aware but of which other access networks (130, 131and133, e.g.) may not be aware.

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3G 3rd Generation Partnership Project 2 “3GPP2”, Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function, 3GPP2 A. S0009-B v0.2 VV, Mar. 2006, Section 1.4.
3G 3rd Generation Partnership Project 2 “3GPP2”, Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network, V&V Version, 3GPP2 a.S0008-B v0.2 VV, Mar. 2006, Section 1.4.

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