| 摘要 |
PROBLEM TO BE SOLVED: To provide a monopole antenna with a reflector installed indoors and used for a mobile communication system capable of fixing a reception level even in the vicinity of the antenna or at a far area end. SOLUTION: In the monopole antenna with the reflector for which the monopole antenna of about 1/4 wavelength is vertically arranged at the center part of the circular reflector, the upper side of a trapezoidal reflector having the upper side of the same length as the circumference of the circular reflector and a lower side longer than the circumference is attached to the circumference of the circular reflector such that the lower side is turned opposite to the antenna. COPYRIGHT: (C)2004,JPO
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