Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-03-20
2007-03-20
Anderson, Matthew D. (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S067130, C370S334000
Reexamination Certificate
active
10449195
ABSTRACT:
At a time of the handover, the communications with respect to the radio terminal related to the handover are carried out by using the same antenna as the antenna with respect to the other radio terminal that is already located in the moving target area, so that interferences due to the difference in the propagation paths can be suppressed to the minimum, and the receiving quality can be improved.
REFERENCES:
patent: 4475010 (1984-10-01), Huensch et al.
patent: 5669060 (1997-09-01), Guimont
patent: WO 99/33304 (1999-07-01), None
Ishiguro Takayuki
Ishii Hiroyuki
Anderson Matthew D.
NTT DoCoMo Inc.
Phu Sanh
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