Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-01-19
1998-04-14
Cumming, William
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455436, H04Q 700
Patent
active
057405352
ABSTRACT:
A method and apparatus for adaptive mobile station presence verification in a cellular system. Mobile station presence verification is performed only for selected requested handoffs from a first base station to a second base station, where the selected requested handoffs are chosen based on a rate of mobile station presence verifications per requested handoffs from the first base station to the second base station, that is adaptively changed as handoffs occur. In an embodiment of the invention, the rate of mobile station presence verifications per requested handoffs from the first base station to the second base station is adaptively changed based on the rates of unsuccessful verifications per verification attempts and, the rate of unsuccessful handoffs per requested handoff attempts, from the first base station to the second base station.
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Cumming William
Telefonaktiebolaget L M Ericsson (publ)
Wyche Myron K.
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