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Title:
METHODS AND APPARATUS FOR THE UTILIZATION OF CORE BASED NODES FOR STATE TRANSFER
Document Type and Number:
WIPO Patent Application WO2004070989
Kind Code:
A3
Abstract:
Methods and apparatus for storing, manipulating, retrieving, and forwarding state, e.g., context and other information, used to support communications sessions with one or more end nodes (144, 147), e.g., mobile devices, are described. Various features are directed to a mobile node controlling the transfer of state from a first access node (140) to a second access node (140') during a handoff operation thereby eliminating any need for state transfer message to be transmitted between the second access node and the first access node during handoff. Other features of the invention are directed to the use of a core network node (104) to store state information. State information stored in the core node can be accessed and used by access nodes in cases where a mobile node does not send a state transfer message during a handoff, e.g., because communication with the first access node is lost or because such messages are not supported.

Inventors:
O'NEILL ALAN (AU)
CORSON SCOTT M (US)
TSIRTSIS GEORGE (GB)
PARK VINCENT (US)
Application Number:
PCT/US2004/002107
Publication Date:
December 01, 2005
Filing Date:
January 26, 2004
Export Citation:
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Assignee:
FLARION TECHNOLOGIES INC (US)
O'NEILL ALAN (AU)
CORSON SCOTT M (US)
TSIRTSIS GEORGE (GB)
PARK VINCENT (US)
International Classes:
G11C7/00; H04B7/00; H04L12/28; H04L12/56; H04W8/08; H04W36/08; H04W36/00; H04W80/04; H04W88/00; H04W92/12; H04W92/20; H04L; (IPC1-7): H04Q7/20
Foreign References:
US6397065B12002-05-28
US6347091B12002-02-12
US20020115432A12002-08-22
US20020068565A12002-06-06
Other References:
See also references of EP 1595353A4
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