Abstract
This article takes research on a novel design of multiband microstrip patch antenna. The proposed multiband microstrip patch antenna can resonate at 7 unique frequencies between 4GHz and 14GHz. To accomplish multiband frequency, a rectangular slot can be inserted in the ground plane of the patch antenna. It can achieve the reflected power of −19.58dB, −15.24dB, −20.12dB, −19.27dB, −27.13dB, −14.46dB and −25.69dB at 4.30GHz, 5.51GHz, 6.42GHz, 8.55GHz, 9.55GHz, 11.47GHz, and 12.58GHz, respectively. The obtained bandwidth is good and better voltage standing wave ratio (VSWR) is less than 2. The performance of proposed multiband antenna is simulated and validated by measurements. Furthermore, the effectiveness of proposed multiband patch antenna has been verified through surface current distribution and efficiency of measured results.
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