Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-10-12
2009-10-06
D'Agosta, Stephen M (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S432100, C455S436000, C455S437000, C455S439000, C455S442000, C455S443000, C455S444000, C370S331000, C370S332000, C370S333000
Reexamination Certificate
active
07599695
ABSTRACT:
Each mobile station is accommodated in a base station through a radio transmission path. A base station control device controls each base station. A mobile station is accommodated in a first base station. Each of the base stations notifies the mobile station of the condition of the communication resources of the base station, respectively. If the mobile station judges that it is advantageous to be accommodated in a second base station instead of the first base station, the mobile station makes a request for hand-off to the base station control device. The base station control device issues a hand-off command to both of the first and second base stations. Then, the mobile station is accommodated in the second base station.
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Igarashi Hironobu
Inoko Katsutoshi
Kuroda Yuji
D'Agosta Stephen M
Fujitsu Limited
Katten Muchin & Rosenman LLP
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