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Shanmuganantham Thangavelu

Work place: Dept. of Electronics Engineering,Pondicherry University,Pondicherry-605014, India

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Research Interests: Computational Science and Engineering, Computational Engineering, Engineering

Biography

Dr. T. Shanmuganantham was awarded B.E. degree in Electronics & Communication Engg from University of Madras in 1996, M.E. degree in Communication Systems from Madurai Kamaraj University in 2000 and Ph.D. (Received Gold Medal) in the field of Antennas from NIT (National Institute of Technology), Tiruchirappalli in 2010 under the guidance of Prof. S. Raghavan. He has 20 years of teaching experience in various reputed Engg colleges and currently he is working as Asst. Prof. in the Dept of Electronics Engg, School of Engg & Technology, Pondicherry Central University, Puducherry. His research area of interest includes MEMS/NEMS, Microwave/Millimetre-Wave Engineering, Antennas. He has published 300 research papers in various National and International Level Journals and Conferences. He has completed two sponsored projects. He has been elected as Fellow in Antenna Test and Measurement Society (ATMS) and a senior member in IEEE, Life Member in ISSS, IETE, IE (India), CSI (India), Society of ISTE, EMC, ILA, OSI and ISI. He is serving as office bearer for IEEE Circuits and Systems Society (India Chapter) and also he is Member of Board of Studies in Pondicherry University, University of Madras, and Annamalai University. His biography was incorporated in ‘Marquis who is who in the world’ USA in 2010.

Author Articles
Design of Microstrip Trapezoidal Patch Antenna Using Coaxial Feeding Technique for Space Applications

By Deepanshu Kaushal Shanmuganantham Thangavelu

DOI: https://doi.org/10.5815/ijwmt.2017.06.01, Pub. Date: 8 Nov. 2017

A microstrip trapezoidal patch antenna structure has been proposed to serve different space applications including the fixed satellite applications, mobile and radiolocation services. This structure utilizes a 0.787 mm thick RT Duroid (5880) substrate of relative permittivity 2.2 and a dielectric loss tangent of 0.0009. A trapezium shaped patch has been formed on it. The patch is compact and has a novel geometry. The feeding technique employed is coaxial/probe feed. The parametric analysis done over HFSS-15 software to study the effects of the structural design over the behavior of antenna reveals the potentiality of the designed antenna to maintain a nearly constant gain upon the variation of several parameters individually. The use of parallel slots in the design offer a reduction in the size of the patch [5]. The performance of the antenna has been analyzed in terms of reflection coefficient, bandwidth and radiation pattern. The antenna yielded a simulated single band reflection coefficient of -22.5 dB and a peak gain of 4.7 dBi at 3.64 GHz and an impedance bandwidth of 10 MHz at -10 dB reflection coefficient. The fabricated design was tested over VNA for its reflection coefficient. The measured results have been included.

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