Handoff of a mobile station from a first to a second type of...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C370S338000, C370S331000

Reexamination Certificate

active

08078171

ABSTRACT:
Methods and apparatus for moving or transferring a mobile station from one type of wireless network to another type of wireless network are described herein. The methods may include employing a source radio access technology (RAT) device, a target RAT device, and a cross wireless network type inter-RAT server to collaboratively communicate with each other to move the mobile station between the different types of wireless networks.

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Japanese Office action for JP2010-512293, mailed Jun. 21, 2011.

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