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A novel omnidirectional microstrip patch antenna is proposed for wireless communication system in this paper. The antenna presented input impedance bandwidth for S11<-10dB reaches 8.6% (2120MHz ∼ 2310MHz) at center frequency 2200MHz. The antenna has omnidirectional radiation pattern in H-plane having its radiation pattern very similar to an electric monopole. The simulated maximum gain reaches...
A novel miniature omnidirectional planar antenna for wideband vertical polarization applications is presented in this paper. This paper discusses a miniaturization technique in designing the compact omnidirectional antenna. Two shorting pins technique is applied to a well-know planar antenna structure whose radiation characteristics are similar to equivalent monopole ones. The typical dimension (radius)...
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