Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2004-11-05
2008-11-18
Le, Danh C (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S335000, C370S338000, C455S561000, C455S439000
Reexamination Certificate
active
07453841
ABSTRACT:
A scramble code allocation method used by mobile communications systems, and a base station and a mobile station that use the method are disclosed. The scramble code allocation method autonomously and optimally sets up a scramble code unique to a target base station. The method includes a step of generating a collection packet for collecting unique information of surrounding base stations, the unique information being used for setting up respective identifiers of the surrounding base stations; a step of broadcasting the collection packet to the surrounding base stations through a network; a step of receiving response packets from the surrounding base stations in response to the collection packet; a step of extracting the unique information of the surrounding base stations inserted in the response packets that are received; a step of storing the extracted unique information; and a step of setting up an identifier of the target base station based on the stored unique information.
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Kayama Hidetoshi
Motegi Masayuki
Umeda Narumi
Yamashita Takeshi
Le Danh C
NTT DoCoMo Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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