Abstract
In this paper Rectangular Microstrip patch Antenna (RMPA) with symmetrical shaped DGS pattern is proposed for brain tumor detection by microwave imaging. Ultra wide band antenna is the requirement of the today’s world for various application as real time video conferencing, live streaming, remote sensing, Microwave imaging. Initially antenna is designed at one frequency of ISM band, and then symmetrical shaped DGS is applied to the antenna for making it ultra wide band. Antenna designed at 5.8 GHz by reference equations. It gives reflection loss S11 12.71dB at 5.7394GHz.Dielectric material used in the antenna is Rogers’s 4004 lossy.Antenna also gives the bandwidth of 89MHz, nowground plane of the antenna is cut by the symmetrical rectangular slot of dimension 22*30mm2.Opposite coroner of ground plane is also cut by rectangular slots 10*8mm2 and 5*3mm2 alternatively. Antenna with modified ground plane gives the minimum losses at 5.5GHz it is 29.81dB and also give maximum bandwidth 1.91GHz.Achieved Bandwidth is in ultra wide band range so designed antenna can be used for brain tumor detection in biomedical application
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