Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-04-04
2006-04-04
Gesesse, Tilahun (Department: 2684)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S434000, C455S525000
Reexamination Certificate
active
07024191
ABSTRACT:
For detecting service carriers, a received power measuring section initially carries out received power measurement in a frequency band assigned to the system, a frequency limiting section limits a service carrier seeking frequency range to the vicinity of a frequency where thus measured received power exceeds a threshold, the received power measuring section measures the received power at a frequency where a service carrier may exist within this frequency range, and the controller chooses a frequency yielding a high measured received power as a service carrier candidate frequency. Then, the cell search executing section initially executes a cell search for this candidate frequency.
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Nakamura Takehiro
Ofuji Yoshiaki
Tanno Motohiro
Gesesse Tilahun
NTT DoCoMo Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Trinh Tan
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