A. Ghosh, M. Mandal, A. De, A. Chakrabarty, B. K. Sarkar
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引用次数: 4
Abstract
A high gain shared aperture dual-band dual-polarized (DBDP) patch antenna is proposed in this work. Dual polarization is obtained by exciting the antenna in two orthogonal directions using two separate ports. Higher order resonant mode is used to obtain higher gain. The antenna transmits and receives in L and S bands simultaneously with good isolation between the ports. Improved isolation is obtained by using an L-shaped slot and non-shorting pins on and below the radiating patch, respectively. A prototype element is fabricated. Isolation between the ports is 21 dB at 1.48 GHz and 39.25 dB at 2.59GHz. The measured gains in the broadside directions are 6.2 dB and 5.5 dB at the respective frequencies.
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