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SINGLE-FEED PLANAR ANTENNA FOR SUPPRESSING THE CHANGE IN RECEIVED SIGNAL LEVEL DUE TO STANDING WAVES IN MOBILE COMMUNICATION

By H. H. Uchida, H. Matsui, O. Mikami, and T. Wakabayashi

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Abstract:
The fading phenomenon resulting from standing waves is a factor in quality deterioration in mobile communication technologies (e.g., cellular phones and television receivers). Suppression of this fading phenomenon is needed for many kinds of technologies. A single-feed planar antenna composed of two antenna components, a Planar Monopole Antenna (PMA) and a Planar Slot Antenna (PSA), is proposed for reducing deterioration of reception due to the fading phenomenon. Reflection coefficient and radiation patterns are analyzed by the Finite Difference Time Domain (FDTD) method and compared with measured results. Results indicate that the proposed antenna has a resonant frequency with functions of the PMA and the PSA. The results of a field experiment at 583.76MHz in the Ultra High Frequency (UHF) band indicate that the proposed antenna efficiently suppresses the fading phenomenon resulting from multipath propagation.

Citation:
H. H. Uchida, H. Matsui, O. Mikami, and T. Wakabayashi, "Single-Feed Planar Antenna for Suppressing the Change in Received Signal Level Due to Standing Waves in Mobile Communication," Progress In Electromagnetics Research B, Vol. 28, 289-306, 2011.
doi:10.2528/PIERB11020311

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