Method and system for determining a value of a first counter...

Details Method and system for determining a value of a first counter... Method and system for determining a value of a first counter...

2006-05-02

2006-05-02

Cumming, William D. (Department: 2683)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S438000, C455S439000

Reexamination Certificate

active

07039407

ABSTRACT:
A method and system for determining the synchronized value of a first counter of a wireless communication system serving a user station which moves at a time of handover from a first coverage area controlled by a first controller into a second coverage area controlled by a second controller. A value of the first counter is maintained in the first controller up to the time of the handover. During handover a request is sent to the user station for a constant value representing the difference between the first counter and a second counter, the value of the second counter being maintained in the second coverage area. At a later time the second controller receives an updated value of the second counter and determines an updated value of the first counter at that later time using the constant value.

REFERENCES:
patent: 2002/0025820 (2002-02-01), Fauconnier et al.

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