Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-03-27
2008-12-09
Nguyen, Duc (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456500, C455S456600, C455S457000, C455S561000
Reexamination Certificate
active
07463895
ABSTRACT:
A method of transmitting a base station identification number including, upon turning from a standby mode to a data communication mode, responding to a user's instruction of location positioning to turn from the data communication mode to the dormant mode; receiving base station identification numbers from several base stations through a paging channel; and designating one of the base stations with the received identification numbers as the base station of primary communication with the phone unit. The method can further include sending the identification number of the proper base station of primary communication to a location information server even in case the phone unit is instructed by the user to commence the location positioning after it has moved from the location where it had commenced the data communication.
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Hayashida Atsushi
Shintai Tatsuya
Denso Corporation
Nguyen Duc
Oliff & Berridg,e PLC
Perez Julio R
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