Abstract
The intention of this paper is to present a new configuration of dual-band microstrip patch antenna for S-band (2GHz-4GHz) and C-band (4GHz-8GHz) applications. The dual-band antenna has become a fascinating technology due to its large capacity of data and high-speed data rate. In this work, a rectangular microstrip antenna with inverted E-slot and U-slots is proposed which offers an improved gain with dual-band operation. The antenna performance parameters at 3 GHz are the reflection coefficient (dB), VSWR, gain and radiation efficiency are found to be 17.74 dB, 1.29, 2.49 dBi and 49.45% respectively. At 4.6 GHz the reflection coefficient (dB), VSWR, gain and radiation efficiency are found to be 15.68 dB, 1.39, 3.68 dBi and 56.52% respectively. The designed antenna performance is compared with the existing dual-band designs available in the literature. An improvement with respect gain in both operating frequencies is demonstrated.
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