volume | PIER Journals

Abstract

This paper presents a Quad-Rectangular Shaped Microstrip Antenna (QRSMA) fed by a single microstrip line feed. QRSMA having different frequency bands is designed to be applied to L(1-2GHz), S(2-4GHz) and C(4-8GHz) bands applications. QRSMA is loaded with a single square patch and 4 rectangular patches. The patches are loaded using a flame retardant substrate (Fr-4). The patches are connected with 1 mm width of copper (Cu) stripline. Thus the proposed design of patches and width is responsible for desired multiband operations. The antenna resonates at frequencies f1=1.074, f2=3.119, f3=4.089, f4=5.683 and f5=6.514 GHz. Thus, the antenna is useful in the L, S and C band applications. Compared to other antenna designs, the proposed antenna exhibits multiband performance, size reduction and is economical. It also realizes tunability of frequencies having stable radiation pattern with compact electrical size. The paper analyses the simulated and experimental results. Various cases of QRSMA performances are also compared in this paper.

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Mr. Abhishek Kumar Saroj

Dr. Mohd Gulman Siddiqui

Mr. Mukesh Kumar

Prof. Jamshed Ansari