Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2006-04-25
2009-10-20
Ly, Nghi H (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S328000, C370S338000, C455S436000, C455S442000
Reexamination Certificate
active
07606201
ABSTRACT:
A system, a method and a Mobile Node (MN) for enabling a handover of the MN from a current serving access router (PAR) to a next serving access router (NAR) in a data communications network. At least one tunnel is present between the PAR and the NAR to enable data exchange therebetween. The MN has a first address valid under the PAR and is capable of forming a second address valid under the NAR prior to completion of the handover. The MN sends a handover request to the PAR and proceeds with a connection to the NAR without discarding its first address. The MN then completes the handover towards the NAR and receives traffic sent on the first address from the NAR.
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Marchand Laurent
Zhang Li Jun
Ericsson Canada Inc.
Ly Nghi H
Telefonaktiebolaget LM Ericsson (Publ)
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