Handover optimisation in a WLAN radio access network

Details Handover optimisation in a WLAN radio access network Handover optimisation in a WLAN radio access network

2005-07-25

2011-11-01

Pwu, Jeffrey (Department: 2478)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C711S100000, C455S436000

Reexamination Certificate

active

08050232

ABSTRACT:
The invention provides a method for assisting handover of a communication session associated with a UT from a first radio access point, AP1, to a second radio access point, AP2, in a radio access network, said method to be carried out by said AP1and comprising the steps of:—receiving a handover intention notify message comprising a session identifier identifying said session and indicating that said UT intends to perform a session handover,—assigning said session a buffer memory space in a memory of said AP1,—buffering downlink data packets addressed to said UT in said buffer memory as a response on receiving said handover intention notify message. The invention further provides a UT, an AP1, AP2, an AR, and software program/s co-operating and/or realizing the method according to the invention. The invention provides a smoother handover.

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Cohen, R. et al. Handover in a Micro-Cell Packet Switch Mobile Network INFOCOM '95. Fourteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Bringing Information to People. Proceedings IEEE Apr. 2, 1995.

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