Method and apparatus for determining rove-out

Details Method and apparatus for determining rove-out Method and apparatus for determining rove-out

2007-09-22

2011-10-11

Edouard, Patrick (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S454000, C455S554100, C370S216000, C370S331000, C370S352000

Reexamination Certificate

active

08036664

ABSTRACT:
Some embodiments are implemented in a communication system that includes a first wireless communication system that includes a Femtocell access point (FAP) and a network controller that can communicatively couple the FAP to a second wireless communication system. In some embodiments, the network controller can communicatively couple to the second wireless communication system through a UTRAN Iu interface. In some embodiments, the FAP can communicatively couple to a user equipment using a short-range licensed wireless frequency. Some embodiments provide method that determines whether a user equipment (UE) has roved-out of the first wireless communication system. The method receives a periodic message at the FAP from the UE. When the FAP fails to receive a pre-determined number of the periodic messages, the method sends a deregister message to the network controller over a unique connection dedicated to the UE and releases the dedicated connection.

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