Abstract
A novel compact multi-band microstrip antenna is proposed in this paper. The antenna structure is made to resonate at multiple frequencies by introducing two small rectangular strips attached vertically at the edge of a conventional rectangular patch antenna. The designed antenna resonates at S and C bands. The final optimized dimensions of the basic rectangular patch antenna are 40 x 15 mm and two rectangular strip lines are spaced at 2.5 mm with different dimensions. The simulated antenna shows that the return loss of the proposed antenna at resonant modes are lower than -10 dB. For multi-band applications, the simulation results provide good performance in term of return loss as well as radiation pattern.
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