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Broadband Space fed design of compact square ring microstrip antennas fed by proximity fed rectangular microstrip antenna or by 3 × 3 gap-coupled array configurations of rectangular microstrip antennas, is proposed. Various space fed configurations of ring patch namely, single patch, 1 × 3 and 3 × 1 ring microstrip antennas, plus shaped and 3 × 3 spaced fed patch array configurations are studied....
A novel design and analysis of circular microstrip antenna loaded with a key-shaped slot is presented. The introduction of key-shaped slot in the microstrip patch excites the additional modes which are orthogonal to each other, thus demonstrating multi-band dual polarized antenna characteristics. Also the next higher order modes manifest the broadband antenna response. For the optimization of the...
A novel design of ultra-wideband star shaped printed monopole antenna is proposed. A star shaped structure is realized by combining triangular shaped planar monopole patch with its inverted configuration. A detailed parametric study of the offset placement of two triangular shaped patches with respect to the patch centroids, variation in distance between the base of composite structure and the ground...
Design and analysis of novel dual-band dual polarized D-shaped microstrip antenna is proposed. The D-shaped microstrip antenna excites TM10 and TM01 modes which are orthogonal to each other, thereby realizing dual polarized antenna characteristics. Further, another novel configuration, a vertical slot cut D-shaped patch is proposed. The slot cut D-shaped patch demonstrates triple band dual polarized...
Multi-band dual polarized circular microstrip antenna cut with circular and rectangular slot is proposed. The circular slot in circular patch degenerates patch TM11 and TM21 modes into two orthogonal modes to realize multi-band characteristics. The rectangular slot helps in optimizing the input impedance at degenerated resonant modes to realize optimum bandwidth of 1 to 2% in 1000 MHz frequency range...
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