System and method for improved IMEI registration

Details System and method for improved IMEI registration System and method for improved IMEI registration

2006-11-21

2006-11-21

Tran, Congvan (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S433000, C370S252000

Reexamination Certificate

active

07139573

ABSTRACT:
Methods and systems for IMEI registration are provided. In accordance with exemplary embodiments of the present invention, when an IMEI registration fails due to a network failure, the mobile station implements a back-off algorithm for future IMEI registration attempts. Specifically, the present invention provides a back-off algorithm which determines a different amount of time for the time period between each unsuccessful IMEI registration.

REFERENCES:
patent: 2006/0019681 (2006-01-01), Harris et al.
patent: 2006/0050646 (2006-03-01), Champion et al.

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