Roaming between wireless access point

Details Roaming between wireless access point Roaming between wireless access point

2005-05-11

2010-02-23

Edouard, Patrick N (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S338000, C455S432100, C455S436000

Reexamination Certificate

active

07668140

ABSTRACT:
The present invention provides a method and an apparatus for roaming between wireless access points with relatively less disruptions to a service in handovers. In one embodiment, a method of communication in a wireless network that includes an access point and a target access point comprises detecting an indication of roaming to the target access point at a mobile terminal associated with the access point and communicating with the target access point using an existing communication link between the mobile terminal and the access point to prepare the mobile terminal for a handover event from the access point to the target access point in response to detecting the indication of roaming. The mobile terminal may communicate with the target access point via a backend channel to prepare for an actual handover to the target access point. By enabling a make-before-break connection, the mobile terminal may proactively prepare a connection to a next access point through a currently existing link to an access point. Use of a proxy access point, in a communication system, may reduce connection delays experienced when a user of a wireless communication device, such as a mobile or wireless terminal roams between access points.

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