Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-07-26
2005-07-26
Tran, CongVan (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S453000, C455S436000, C370S331000, C370S332000
Reexamination Certificate
active
06922561
ABSTRACT:
Method and apparatus for optimizing registration and paging in a group communication system use mobility of the mobile stations to minimize the frequency of registrations performed by the mobile stations as well as the area of paging the mobile stations. When the mobile stations have a low mobility status, the base station reduces the area of paging the mobile stations so that the paging channel load is reduced.
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Chen An Mei
Rosen Eric C.
Cicozzi John L.
O'Connell Robert J.
QUALCOMM Incorporated
Tran CongVan
Wadsworth Philip R.
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