The drawbacks of conventional L-probe fed antennas, namely multilayered structure and complicated fabrication process, are addressed in this letter by proposing a novel coplanar, modified/printed L-strip fed patch antenna. The achieved VSWR <; 2 range with the proposed antenna is in the order of 41% from 5.09 to 7.7 GHz, which is wider than that of the conventional L-probe antenna with the dimensions on par with the proposed design. The realized patterns are also quite stable over the entire frequency range and the 3 dB gain bandwidth matches with the impedance bandwidth. The concept behind the wideband property of the printed L-strip antenna is explained in detail and the proposed antenna is numerically investigated to realize the effective impedance and radiation characteristics. A prototype of the antenna is also fabricated and successfully validated for its impedance and radiation characteristics.
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Radavaram et al. (2021) studied this question.
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