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This letter presents a new aperture coupled microstrip antenna with a nonsymmetric U‐shaped feed line and two rectangular slots on the ground plane. Simulation results show that the antenna has VSWR <2 from 10.5 to 22 GHz and the simulated gain bandwidth (above 7 dB) of the antenna is 6.6 GHz (47%). Good agreement is obtained between simulation and experimental results.
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Ghassemi et al. (2008) studied this question.
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