Abstract
G.Jeevagan Navukarasu Lenin, J.Anis Noora, D.Packiyalakshmi3, S.Priyatharshini4,T.Thanapriya5 Assistant Professor & Head, 2,3,4,5 UG students University College of Engineering, Abstract-This paper presents various designs of microstrip arrays antennas, suitable for wireless communication applications. Particularly, 4x1 2x1, and single element of rectangular geometry is designed and simulated. Gain and directivity can be enhanced by increasing the number of array elements but at the cost of side lobe level. Enhancement in gain and better return loss performance can be obtained by the use of Teflon substrate. Quarter wave transformer is used to feed the elements. This solution is investigated numerically, and simulated by using ADS 2011 software. Experimental testing on fabricated prototypes are presented and consent well with the theoretical predictions. The results demonstrated a good agreement between simulated return loss, directivity, gain for several design of microstrip arrays antennas. The antenna array designed best suits ISM band and WLAN applications.
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