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A compact monopolar patch antenna is presented in this paper. The antenna has a wide bandwidth and a monopole-like radiation pattern. To reduce the whole size of the antenna, a substrate with high dielectric constant is adopted. Besides, three types of shorting pins and a triangle slot are added to the patch to widen the impedance bandwidth. The proposed antenna operates from 2.29 to 2.59 GHz for...
A novel differential-fed patch antenna (DFPA) is proposed in this letter. Based on a capacitance coupling feed, an impedance bandwidth (SWR<2) of 102% has been obtained. The cross-polarization is less than −15dB across the operating bandwidth because of the differential-fed.
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