Versatile system for radio access network session...

Details Versatile system for radio access network session... Versatile system for radio access network session...

2011-04-12

2011-04-12

Edouard, Patrick N (Department: 2617)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S351000, C370S392000, C370S331000, C455S436000, C455S442000, C709S227000

Reexamination Certificate

active

07924819

ABSTRACT:
A session information retrieval system is disclosed that efficiently transfers mobile station session information among certain members of a radio access network. As a mobile station within the network—which is dormant in a first packet data zone of the network—moves to a second packet data zone, a PCF for the second packet zone contacts the PCF for the first packet data zone to retrieve session information for the MS. Having retrieved the MS's already-established session information, the second PCF obviates the need to re-establish or re-negotiate session information for the MS. Having forwarded the MS's session information to the second PCF, the first PCF may discard the now unneeded session information that would have otherwise been maintained indefinitely—freeing up valuable system resources.

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