Abstract
An innovative and compact microstrip patch array antenna with rectangular slots for microwave radio relay application is proposed. The designed antenna is applicable in c-band. The antenna is designed on FR4 epoxy substrate with inset feed. The proposed single patch microstip antenna has a return loss (S11), gain and VSWR of −18.30, 3.07 dB and 2.24 at 6.18 GHz and −13.49, 3.07 dB and 3.97 at 10.87 GHz respectively. High Frequency Structural simulator (HFSS 13) is used to simulate and analyse the rectangular patch array antenna. Later, a linear array of 1 × 4 has been designed and its parametric analysis is obtained. The proposed array antenna has the return loss (S11) of value −33.47 dB at 6.4 GHz. The gain of the proposed array has been obtained as 2.707 dB and VSWR of value 1.69 at 6.4 GHz which is also applicable for c-band microwave radio relay.
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