Abstract
A multi-band band stops filtering (MB-BSF) characteristics with modified dual-polarized dipole antenna using the grounded coplanar waveguide (GCPW) filter for the 3G, 4G, and 5G base station applications are explored in this research paper. Firstly, the modified dipole arms are arranged in a crisscross manner to generate orthogonal polarizations with CPW feed designed to operate in the frequency band of 1.6-3.6 GHz. Secondly, meandered slot GCPW is patterned on the modified dipole antenna and is modeled to provide band stop characteristics with sharp roll-off for 3G, 4G, and 5G. As an outcome, the anticipated antenna is operating in the band of 1.6–2.78 GHz and 3.2–3.8 GHz for VSWR < 1.6 with a guard band of 2.85–3.18 GHz. The proposed antenna provides the isolation of more than 30 dB, the half-power beam width of 70 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sup> ±1 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sup> , and realized gain of 8.73 dBi throughout the operating band of 3G, 4G, and 5G for Base Transceiver Station (BTS) applications.
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