Handover data integrity in a wireless data network

Details Handover data integrity in a wireless data network Handover data integrity in a wireless data network

2008-10-02

2011-10-25

Qureshi, Afsar M. (Department: 2472)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S335000, C455S411000, C455S434000, C455S442000, C455S561000

Reexamination Certificate

active

08045525

ABSTRACT:
Provided is a method and apparatus for handover data integrity of a mobile station in a wireless data network with a plurality of wireless network service areas. The method and apparatus includes initiation of a handover by a mobile station, identifying at least one target access network (ASN) for handover from a serving ASN that services wireless data communications with the mobile station. When at least one target ASN is identified, receiving a data integrity capability from the at least one target ASN. With the received data integrity capability, determining whether a direct data delivery mode is available as a data integrity mode based upon the received data integrity capability. When the direct data delivery mode is available as a data integrity mode, direct data delivery if performed with the data associated with the service flow from the serving ASN to the at least one target ASN. When the direct data delivery is accomplished, the mobile station handover is completed from the serving ASN to one of the target ASNs.

REFERENCES:
patent: 2007/0104148 (2007-05-01), Kang et al.
patent: 2008/0279150 (2008-11-01), Shousterman et al.

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