Telecommunications – Carrier wave repeater or relay system – Directive antenna
Reexamination Certificate
2004-01-16
2008-11-18
Trinh, Tan (Department: 2618)
Telecommunications
Carrier wave repeater or relay system
Directive antenna
C455S063400, C455S562100, C455S013300
Reexamination Certificate
active
07454168
ABSTRACT:
A communication bit rate computing unit (24) computes the cumulative bit rate of downlink communication data, at which a base station communicates with a terminal, and totalizes the bit rates for each sector area. A amplitude/phase control unit (23) checks whether the cumulative bit rate for each sector area, reported from the communication bit rate computing unit (24), is higher than a first threshold or lower than a second threshold. If the cumulative bit rate is higher than the first threshold, the amplitude/phase control unit (23) performs directing characteristic control so as to narrow the area range of the corresponding sector area to a range smaller than a standard area range. If the cumulative bit rate is lower than the second threshold, the amplitude/phase control unit (23) performs directing characteristic control so as to widen the area range of the corresponding sector area to a range larger than the standard area range.
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“W-CDMA Mobile Communication Systems, Second Chapter: Radio Transmission Scheme”, edited by Keiji Tachikawa, Maruzen, Jun. 25, 2001, pp. 79-86.
NEC Corporation
Sughrue & Mion, PLLC
Trinh Tan
LandOfFree
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