Apparatus and method for performing handoff to reduce number...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C455S437000, C455S438000, C455S439000, C455S440000, C370S331000

Reexamination Certificate

active

07957740

ABSTRACT:
A handoff apparatus and a method for reducing the number of session transfers in a mobile communication system are provided, in which an ANC determines whether a target ANT is included in an active set of the mobile communication system, establishes a connection session between the mobile communication system and an AT through a path connecting a target ANC of a different vendor and the target ANT if the target ANT is not included in the active set, and establishes the connection session between the mobile communication system and the AT through a path connecting the ANC and the target ANT if the target ANT is included in the active set.

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