Dr. Pravin R. Prajapati A. D. Patel Institute of Technology, Gujarat, India Department of Electronics & Communication Engineering
Research Papers Published in SCI Index International Journals 1. Pravin R. Prajapati, A. Patnaik, and M. V. Kartikeyan, “Design and Characterization of an Efficient Multi-layered Circularly Polarized Microstrip Antenna”, EUMA INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES, CAMBRIDGE UNIV. PRESS, London, APRIL 2015, http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9636525

DOI: http://dx.doi.org/10.1017/S1759078715000549

2. Pravin R. Prajapati, G.G. K. Murthy, A. Patnaik, and M. V. Kartikeyan, “Design and Testing of a Compact Circularly Polarized Microstrip Antenna with Fractal Defected Ground Structure for L-band Applications”, IET Microwaves, Antennas and Propagation, Vol. 9, Issue 11, pp. 1179-1185, 2015, DOI: 10.1049/iet-map.2014.0596.


3. Pravin R. Prajapati, A. Patnaik, and M. V. Kartikeyan, “Improved DGS Parameter Extraction Method for the Polarization Purity of Circularly Polarized Microstrip Antenna,” International Journal of RF and Microwave Computer Aided Engineering, Wiley Publication, England, UK, Vol. 26, no.9, pp.773-783, Nov. 2016.
DOI: 10.1002/mmce.21029 (Thomson Router Indexed).
http://onlinelibrary.wiley.com/doi/10.1002/mmce.21029/abstract

4. Pravin R. Prajapati, “Multilayered Circularly Polarized Microstrip Antenna Integrated with Defected Ground Structure for Wide Impedance and Axial Ratio Bandwidth,” Journal of Electromagnetic Waves and Applications, Taylor and Fracis Publication, UK, Vol. 30, Iss. 17, pp. 2256-2267, Nov. 2016 (Thomson Router Indexed)
DOI: 10.1080/09205071.2016.1245160 Online: http://www.tandfonline.com/doi/full/10.1080/09205071.2016.1245160

Research Papers Published in SCOPUS Index International Journals 1. Pravin R. Prajapati, “Application of Defected Ground Structure to Suppress Out of Band Harmonics for WLAN Microstrip Antenna”, Internatioanl Journal of Microwave and Technology, Hindawi Publication, vol. 2015, pp. 1-9, Dec. 2015

doi:10.1155/2015/210608.
Free online available. to download visit this link
http://www.hindawi.com/journals/ijmst/2015/210608/
Papers Published in National Journals 1. “An analysis of Student’s feedback on Current Scenario of Teaching Learning Process”, R. K. Jain, Pravin R. Prajapati, Viranchi C. Pandya, The Indian Journal of Technical Education , Vol. 31, No. 4, October- December 2008.

2. Hetal Patel, Pravin R Prajapati," Embedded system of Automatic Level Control Based on FPGA,” ADIT Journal of Engineering, August 2010, Vol. 7. No. 1, ISSN: 09733663.

3. Ronak R. Vashi, Pravin R. Prajapati, “Comparison of Performance Ratings of EDFA and EYCDFA for 1535 nm to 1580 nm Signal Wavelength Span,” Journal of Engineering and Technology, GIT, Gandhinagar, Volume 4, 2011.
Papers Published in International Conferences 1. “Spatially resolved fluroscence technique for detection of in homogeneity placed at various depth below breast tissue,” at International conference on “Microwaves and Optoelectronics,” organized by Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India, 17-20 Dec.2007.

2. “Performance Ratings of SLA/PIN-HBT and APD/HBT Optical Receivers,” at International Conference organized by Saurastra University, Rajkot on 13-14 Jan., 2008.

3. Shailesh Khant, Pravin Prajapati, “Simulation and Analysis of 10 Gbps SLA-PIN-HBT Receiver in terms of Quality Factor and BER,” 2nd International Conference on Signals, Systems and Automation, organized by G. H. Patel College of Engineering and Technology, V. V. Nagar, Gujarat, India, January 24-25, 2011.

4. Pravin Prajapati, Shailesh Khant,“Simulation and Analysis of 10 Gbps APD-HBT Receiver in terms of Quality Factor and BER,” 1st International Conference on Information, Signal and Communication, organized by A D Patel Institute of Technology, New V. V. Nagar, Gujarat, India, Febrauary 5-6, 2011.

5. Pravin R. Prajapati, Ronak R. Vashi, “Phase Sensitive Two Pump Optical Parametric Amplifier Using Non linear Single Mode Fiber”, International Conference on Optics , organized by Physics department, association with optics society of India , National Institute of Technology, Calicut, May 23-25, 2011.
Available online on AIP conference proceedings

6. Ronak R. Vashi, Pravin R. Prajapati, “Comparison of Performance Ratings of EDFA and EYCDFA Based on Effect of Different Pumping Schemes”, International Conference on Optics , organized by Physics department, association with optics society of India , National Institute of Technology, Calicut, May 23-25, 2011.
Available online on AIP conference proceedings, http://scitation.aip.org/dbt/dbt.jsp?KEY=APCPCS & volume=1391& Issue=1

7. Manisha Mayavanshi, Pravin R. Prajapati, Anuradha P Gharge, “Modeling and Simulation of Polarization Dependent Gain in Semiconductor Optical Amplifier”, International conference on Innovative Science and Engineering Technology, Organized by V. V. P. Engineering College, Rajkot, Gujarat, India, 8-9 April, 2011.


8. Kalpesh Shah , Pravin R. Prajapati, “Role of Simulators in Teaching the Principles of Digital Electronics Engineering Subject,” 1st CSI International Conference On Education and Research Hosted by center of Excellence for Research in Software Engineering Lingaya’s University, Faridabad Organized by CSI Division V (Education & Research), Region-I and New Delhi Chapter, January 12 - 13, 2012.

9. Pravin R. Prajapati, M V Kartikeyan ,“Proximity Coupled Stacked Circular Disc Microstrip Antenna with Reduced Size and Enhanced Bandwidth Using DGS For WLAN/WiMAX Applications”, IEEE Students’ Conference on Electrical, Electronics and Computer Sciences organised by Maulana Azad National Institute of Technology, Bhopal ( NIT-Bhopal) 1-2 March 2012.

Available online on IEEE Xplore digital library.
Digital Object Identifier: 10.1109/SCEECS.2012.6184784.

10. Anil Kshatriya, Pravin R. Prajapati,“Effect of Signal Wavelength and Aperture Area of Detector on Performance of Free Space Optical Link ”, IEEE Students’ Conference on Electrical, Electronics and Computer Sciences organised by Maulana Azad National Institute of Technology, Bhopal (NIT-Bhopal), 1-2 March 2012.

Available online on IEEE Xplore digital library.
Digital Object Identifier: 10.1109/SCEECS.2012.6184746

11.Pravin R. Prajapati, G. G. K. Murthy, A. Patnaik, M. V. Kartikeyan,“Asymmetrical Plus Shaped Fractal Slotted Multilayered YAGI-UDA Circularly Polarized Microstrip Antenna With DGS”, IEEE Applied Electromagnetics International Conference (AEMC-2013), KIIT University, Bhubneshwer India, Dec.18-20, 2013.

DOI: 10.1109/AEMC.2013.7045093
Available online on IEEE Xplore digital library.

12. Pravin R. Prajapati, G. G. K. Murthy, A. Patnaik, M V Kartikeyan,“Compact Circularly Polarized Microstrip Patch Antenna for WLAN Applications”, IEEE Indian Antenna Week Conference organized by with NITTTR, Chandigarh & Punjab Technical University and IEEE MTTS kolkata section, May 26-30, 2014.

13. K. A. N. Jyothi, J. Malik, P. R. Prajapati, R. P. Srivastava,“Dual Band E-shaped Microstrip Patch Antenna for WiMAX and WLAN Applications", IEEE Indian Antenna Week Conference organized by with NITTTR, Chandigarh & Punjab Technical University and IEEE MTTS kolkata section, May 26-30, 2014.

14. P. R. Prajapati, G. G. K. Murthy, A. Patnaik, and M. V. Kartikeyan,“Design of Compact Circular Disc Circularly Polarized Antenna with Koch Curve Fractal Defected Ground Structure", 31st International Union of Radio Science General Assembly and Scientific Symposium (URSI GASS 2014), 16-23 August, 2014, Bejing, China .

DOI: 10.1109/URSIGASS.2014.6929151
Available online on IEEE Xplorer digital library.

15. P. R. Prajapati, G. G. K. Murthy, A. Patnaik, and M. V. Kartikeyan,“Design of Single Feed Dual Band Dual Polarized Microstrip Antenna With Defected Ground Structure for Aeronautical and Radio Navigation", 31st International Union of Radio Science General Assembly and Scientific Symposium (URSI GASS 2014), 16-23 August, 2014, Bejing, China.

DOI: 10.1109/URSIGASS.2014.6929088
Available online on IEEE Xplorer digital library.


16. P. R. Prajapati, M. Srinivasulu, A. Patnaik, and M. V. Kartikeyan,“Realization of Circular Polarized Microstrip Antenna with Arc-Slot Fractal Geometry", International conference on Microwave, Optical and Communication Engineering,” IIT Bhubneshwer, India, December 18-20, 2015.
Will be Available online on IEEE Xplore digital library.

17. Palak Patel, P. R. Prajapati,“Design of UWB Antenna with Improved Gain using Partially Reflective Surfaces ,”International Conference on Electronics and Communication Systems (ICECS-2016)", Karpagam College of Engineering, Coimbatore, Tamilnadu, India, 25-26 Feb. 2016.
Will be Available online on IEEE Xplore digital library.

18. Poonam Parmar, P. R. Prajapati,“1.98 GHz Coupled Line Coupler with Enhanced Directivity using Defected Ground Structure,”International Conference on Electronics and Communication Systems (ICECS-2016)", Karpagam College of Engineering, Coimbatore, Tamilnadu, India, 25-26 Feb. 2016.
Will be Available online on IEEE Xplore digital library.

19. Nasarin Vohra, P. R. Prajapati,“Suppression of Nonlinear Effects in WDM Transmission by Unequal Channel Spacing,”International Conference on Electronics and Communication Systems (ICECS-2016)", Karpagam College of Engineering, Coimbatore, Tamilnadu, India, 25-26 Feb. 2016.
Will be Available online on IEEE Xplore digital library.

20. Arjun Kumar, Pravin R. Prajapati, Ashwini Arya and M. V. Kartikeyan, “Design Studies on Microstrip Filter with Peano Fractal Defected Ground Structure”, 11th International Conference on Industrial and Information Systems, ICIIS 2016, Indian Institute of Technology, Roorkee, 3-4 Dec. 2016.
Will be Available online on IEEE Xplore digital library.

21.Arjun Kumar, Pravin R. Prajapati, Jagannath Malik and M. V. Kartikeyan, “Modeling of Microstrip Filter with Defected Ground Structures Using ANN”, 11th International Conference on Industrial and Information Systems, ICIIS 2016, Indian Institute of Technology, Roorkee, 3-4 Dec. 2016.
Will be Available online on IEEE Xplore digital library.

22.Praful Bhakhar, VedVyas Dwivedi, Pravin R. Prajapati, “Directivity Enhancement of Miniaturized Directional Coupler using Defected Ground Structure”, International Conference on Communication and Signal Processing, (ICCASP 2016), Dr.Babasaheb Ambedkar Technological University, Lonere, Maharastra, India, 26-28 Dec. 2016.
Will be Available online on Springer digital library.
Papers Published in National Conferences 1. Ronak Vashi, Pravin R. Prajapati, “Effect of Different Pumping Schemes of EDFA and its Performance Ratings,” National Conference on Advances in Electrical and Electronics Engineering, organized by Swami Vivekanand College of Engineering, Indore, India, February 24-25, 2011.

2. Vinod Makwana, Pravin R. Prajapati, “Circuit Simulation as Powerful Tool in the Field of Power Electronics for Under Graduate Students and Beginners,” National Conference on Advances in Electrical and Electronics Engineering, organized by Swami Vivekanand College of Engineering, Indore, India, February 24-25, 2011.

3. Manisha V. Mayavanshi, Pravin R. Prajapati, Anuradha P. Gharge, “Simulation of 2nd and 3rd Order Harmonic distortion generated in SOA, 2nd National Conference on Emerging Vistas of Technology (NCEVT - 10), Parul Institute of Engineering and Technology, Gujarat, India, Dec. 2010.

4. M.Srinivasulu, Pravin R. Prajapati, M. V. Kartikeyan, “Realization of Circularly Polarized Microstrip Antenna using Fractal Geometry,” National Conference on Recent Advances in Electronics and Computer Engineering (RAECE-15), Indian Institute of Technology, Roorkee, India, Feb 13-15, 2015.


5. Nasarin Vohra, Pravin R. Prajapati, “Suppression of Nonlinear Effects in WDM Transmission by Unequal Channel Spacing,” National Workshop on Recent Advances in Photonics and Optics, Govt. Women Engineering College, Ajmer, Rajashtan, India, 24-25 Nov. 2015.
(Received 3rd prize in poster competition).
Book Published
1. Manisha V. Mayavanshi, Pravin R. Prajapati, “Semiconductor Optical Amplifier: Modeling, Analysis and Simulation," Lambert Academic Publishing, Germany, Feb. 2015.


2. Pravin R. Prajapati, “Performance ratings of SLA PIN-HBT and APR/HBT receivers,” Lambert Academic Publishing, Germany, June 2016, ISBN: 978-3-659-90687-0


3. Palak Patel, Pravin R. Prajapati, “Gain enhancement of UWB antennas using PRS,” Lambert Academic Publishing, Germany, July 2016, ISBN: 978-3-659-91899-5.


4.Poonam Parmar, Pravin R. Prajapati, “Study and Investigations of Planar Coupler with DGS,” Lambert Academic Publishing, Germany, July 2016, ISBN: 978-3-659-92539-9.

Professional Memberships ISTE