Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-02-08
2005-02-08
Nguyen, Lee (Department: 2682)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
Reexamination Certificate
active
06853848
ABSTRACT:
A method classifies a mobile terminal by a-periodically obtaining locations of the mobile terminal. Location update intervals are determined from update times associated with the locations. Frequency characteristics are generated from the location update intervals, and a probability distribution function is generated from the location update interval. Then, the mobile terminal is classified according to the frequency characteristics and the probability distribution function.
REFERENCES:
patent: 6556943 (2003-04-01), Kuwahara et al.
patent: 20030224741 (2003-12-01), Sugar et al.
Brinkman Dirk
Curtin Andrew J.
Mitsubishi Electric Research Laboratories Inc.
Nguyen Lee
Phu Sanh
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