Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2011-06-28
2011-06-28
Cho, Un C (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S328000, C455S436000, C455S437000, C455S439000, C455S448000, C380S270000
Reexamination Certificate
active
07969953
ABSTRACT:
A method, system, and computer-readable media are provided for allowing a mobile device to maintain communication connectivity during a handoff between wireless access points. In one aspect, the method may include negotiating security association information and establishing a first communication tunnel by tunneling an inner IP address within a first outer IP address. The method may further include authenticating a request for establishing a second communication tunnel by identifying the negotiated security association information within the request. Additionally, the method may include establishing the second communication tunnel by tunneling the inner IP address within a second outer IP address. Moreover, the method may include pushing data associated with the communication session through the second communication tunnel.
REFERENCES:
patent: 2007/0047490 (2007-03-01), Haverinen et al.
patent: 2007/0249291 (2007-10-01), Nanda et al.
patent: 2007/0274259 (2007-11-01), Sayegh et al.
Breau Jeremy R.
Khan Sohel
Cho Un C
Sprint Communications Company L.P.
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