Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2002-07-17
2008-11-25
Nguyen, Duc (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S442000, C370S332000
Reexamination Certificate
active
07457622
ABSTRACT:
In a mobile communication system having a plurality of radio base stations and a mobile station, a radio base station selection method in which a radio base station to start communicating with a mobile station is selected from among adjacent radio base stations capable of communicating with the mobile station is provided. The method includes the steps of requiring, by a radio base station in service, a radio channel availability report from each of adjacent radio base stations indicated by the mobile station, in response to a signal for requesting connection to the mobile station; selecting a radio base station to be connected to the mobile station, based on the radio channel availability reports obtained from the adjacent radio base stations; and notifying the mobile station of information necessary for communicating with the selected radio base station.
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Chen Lan
Kayama Hidetoshi
Umeda Narumi
Nguyen Duc
NTT DoCoMo Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Thier Michael T
LandOfFree
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