Abstract
In this paper, a new patch antenna with large bandwidth is proposed. The antenna consists of a rectangular patch, 50 Ω microstrip feed line and partial ground plane. Modifications are introduced in the antenna to enhance the bandwidth; adding one cut in the patch upper and lower corners, adding two steps to the microstrip feed line and adding one rectangular grove to the partial ground plane. The simulated results using high frequency structure simulator (HFSS) and computer simulation technology software (CST) show high bandwidth at RL ≥ 10 dB (3.5–14.9) GHz with percentage bandwidth of 123.91%. Promising peak gain, dipole-like radiation pattern in E-plane and good omni-directional radiation patterns in H-plane are achieved.
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