Method for reducing service interruptions during a hand off...

Details Method for reducing service interruptions during a hand off... Method for reducing service interruptions during a hand off...

2004-04-14

2009-06-23

Le, Nhan T (Department: 2618)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S331000, C455S439000

Reexamination Certificate

active

07551604

ABSTRACT:
A method is provided for controlling communications to and from an access terminal during a hand off period. A smart packet filter is used to identify a packet flow, apply a first treatment to a packet flow based on its destination, and transmit the first treated packet flow along a first route to the access terminal. During a hand off, the packet stream is duplicated, a second treatment is applied to the packet flow and the second treated duplicate packet flow is transmitted to the access terminal via a second route.

REFERENCES:
patent: 6735202 (2004-05-01), Ahmed et al.
patent: 2002/0001290 (2002-01-01), Bender et al.
patent: 2003/0144001 (2003-07-01), Nakatsugawa et al.
patent: 2003/0176187 (2003-09-01), Menzel et al.
patent: 2005/0044130 (2005-02-01), Sillasto et al.

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