Method of changing access point for a mobile node in a...

Details Method of changing access point for a mobile node in a... Method of changing access point for a mobile node in a...

2004-08-06

2009-02-24

Cumming, William D (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

Reexamination Certificate

active

07496363

ABSTRACT:
Changing access points for a mobile node (106) in a wireless access network (100), for example a wireless local area network (WLAN), includes the mobile node (106) communicating content data on an initial channel (214) via an initial access point (104) of the wireless access network (100); the mobile node (106) sending a handover request on a new channel (215) to a new access point (105) of the wireless access network (100); the mobile node (106) resuming communication of content data on the initial channel (214) via the initial access point (104); the initial access point (104) and the new access point (105) performing handover steps while the mobile node (106) resumes communication of content; and when the handover steps are completed, the mobile node (106) communicating content data on the new channel (215) via the new access point (105).

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IEEE; “IEEE Trial-Use Recommended Practice for Multi-Vendor Access Point Interoperability via an Inter-Access Point Protocol Across Distribution Systems Supporting IEEE 802.11™ Operation”; IEEE STD 802.11F; Jul. 14, 2003.
R. Braden et al., “Integrated Services in the Internet Architecture: an Overview,” RFC 1633, Jun. 1994.
R. Braden et al., “Resource ReSerVation Protocol (RSVP)—Verson 1 Functional Specification”, RFC 2205, Sep. 1997.

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