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Dr. Rahul Singhal

pilani Electrical & Electronics Engineering

Associate Professor, Department of Electrical and Electronics Engineering, BITS Pilani, Pilani Campus

Antenna & Wave Propagation, Optical Waveguides and Devices, Radio-Over-Fiber/FSO
Department of Electrical and Electronics Engineering, Birla Institute of Technology & Science, Pilani- 333031, Rajasthan. India.
rahulsinghal@pilani.bits-pilani.ac.in
+91-1596-255831

 

Journal Publications
  1. Ashish Kumar Verma, Rahul Singhal, "Investigations on relevance of angular stability and polarization independence of frequency selective reflector in planar antenna gain enhancement" Journal of Electromagnetic Waves and Applications, 2024, 1–20. https://doi.org/10.1080/09205071.2024.2350451 [Impact Factor:1.3]
  2. Ashish Kumar Verma, Rahul Singhal, "Gain Enhancement of Triangular Slot X-band Antenna Using Rhombic Loop Frequency Selective Surfaces" Wireless Pers Commun 135, 517–530 (2024). https://doi.org/10.1007/s11277-024-11080-9 [Impact Factor:2.2]
  3. Ashish Kumar Verma, Rahul Singhal, "Gain enhancement of ultra-wideband hexagonal slot antenna using tessellated rhombic loops based reflector" Frequenz, vol. 78, no. 5-6, 2024, pp. 259-270. https://doi.org/10.1515/freq-2023-0183 [Impact Factor:1.1]
  4. Ashish Kumar Verma, Rahul Singhal, Performance analysis of frequency selective reflectors based on rectangular loop pair for wideband applications, AEU - International Journal of Electronics and Communications, Volume 167, 2023, 154675, ISSN 1434-8411, https://doi.org/10.1016/j.aeue.2023.154675 [Impact Factor: 3.169]
  5. Nagarajan Nallusamy, Rahul Singhal, Sunil Kumar Sharma and Dipendra Singh Rawal, "HEMT inspired free standing AlGaN/GaN/AlN optical waveguide for high pressure sensing applications", physica status solidi (a) – applications and materials science, 2023, https://doi.org/10.1002/pssa.202200637 [Impact Factor: 2.170]
  6. Ashish Kumar Verma, Rahul Singhal, Norman window slot antenna with sectoral feed backed by linear phase reflector for ultra wideband applications. Int J RF Microw Comput Aided Eng. 2022; 32( 12):e23433. doi:10.1002/mmce.23433 [Impact Factor:1.987]
  7. Nagarajan Nalluamy, Rahul Singhal, Sunil Kumar Sharma and Dipendra Singh Rawal, "HEMT Inspired GaN Optical Waveguides: Analysis under Thermal Stress and Prospects," in IEEE Transactions on Device and Materials Reliability, vol. 22, no. 3, pp. 424-430, Sept. 2022, doi: 10.1109/TDMR.2022.3188317 [Impact Factor:1.886]
  8. Ashish Kumar Verma, Rahul Singhal, Dual rhombic loop-based frequency selective surfaces for X-band applications, Microwave and Optical Technology Letters, Volume 64, Issue 11, Pages 1944-1950, November 2022 http://dx.doi.org/10.1002/mop.33404 [Impact Factor:1.311]
  9. Nagarajan Nallusamy, N. Arzate, R. Vasantha Jayakantha Raja, and Rahul Singhal, Modeling nonlinear high-pressure sensors based on degenerate four-wave mixing in photonic crystal fibers, Applied Optics Vol. 61, Issue 10, pp. 2591-2597 (2022) https://doi.org/10.1364/AO.449032 [Impact Factor:1.980]
  10. Debasish Pal, Rahul Singhal, and Ayan Kumar Bandyopadhyay, Parametric Optimization of Complementary Split-Ring Resonator Dimensions for Planar Antenna Size Miniaturization. Wireless Personal Communications, Volume 123, 1897–1911 (2022). https://doi.org/10.1007/s11277-021-09220-6 [Impact Factor:1.369]
  11. Debasish Pal, Rahul Singhal, Abhishek Joshi and Ayan Kumar Bandyopadhyay, "Multiband planar antenna with CSRR loaded ground plane for WLAN and fixed satellite service applications" Frequenz, vol. 74, no. 11-12, 2020, pp. 393-399. https://doi.org/10.1515/freq-2020-0012  [Impact Factor: 0.54]
  12. Abhishek Joshi, Rahul Singhal, "Probe-fed wideband AMC-integrated hexagonal antenna with uniform gain characteristics for WLAN applications," Wireless Networks, 26(5), 2020 ISSN: 1022-0038 [Impact Factor: 2.36]
  13. Abhishek Joshi, Rahul Singhal, Probe‑Fed Hexagonal Ultra Wideband Antenna Using Flangeless SMA Connector, Wireless Personal Communications, Volume 110, Number 2, 2020 ISSN: 0929-6212 [Impact Factor: 1.02]
  14. Abhishek Joshi, Rahul Singhal, Coaxially Fed Hexagonal Patch Antenna for C- and X-band Applications with Reduced-Ground Plane, ECTI Transactions on Electrical Engineering, Electronics, and Communications 2019 ISSN: 1685-9545 [Cite Score: 0.60]
  15. Abhishek Joshi, Rahul Singhal, Vertex-fed hexagonal antenna with low cross-polarization levels, Advances in Electrical and Electronic Engineering, 2019, 17(2), 138 - 145, ISSN 1336-1376 [Cite Score: 2.30]
  16. Abhishek Joshi & Rahul Singhal, Gain enhancement in probe-fed hexagonal ultra wideband antenna using AMC reflector, Journal of Electromagnetic Waves and Applications, Vol. 33, Issue 9, pages 1185-1196, 2019, ISSN:1569-3937 [Impact Factor: 1.09]
  17. Abhishek Joshi, Rahul Singhal, Lower mode excitation in vertex-fed slotted hexagonal S-band antenna, AEU - International Journal of Electronics and Communications, Volume 87, 2018, Pages 180-185, ISSN 1434-8411 [Impact Factor: 2.92]
Journal Publications (Ph.D. Work)
  1. Rahul Singhal, M.N. Satyanarayan, Suchandan Pal, "Fabrication of single-mode Y-branch waveguides in photosensitive polymer with reduced Y-junction residue", Optik - International Journal for Light and Electron Optics, Volume 123, Issue 21, November 2012, Pages 1911-1914 [Impact Factor: 2.19]
  2. Rahul Singhal, M. N. Satyanarayan and Suchandan Pal, “Fabrication of Monomode Channel Waveguides in Photosensitive Polymer on Optical Adhesive”, SPIE Optical Engineering, 50(9), 2011 [Impact Factor: 1.11]
  3. Rahul Singhal, M. N. Satyanarayan and Suchandan Pal, “Effect of Residual Resist on Performance of Single-Mode 1X4 Optical Splitter in Photosensitive Polymer”, Fiber and Integrated Optics, 29:480–490, 2010 [Impact Factor: 0.71]
Conference Publications
  1. Ashish Kumar Verma and Rahul Singhal, "Electromagnetic Scattering Analysis of Conventional Frequency Selective Surfaces for Terahertz Applications," 2023 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Ahmedabad, India, 2023, pp. 1-6, doi: 10.1109/MAPCON58678.2023.10464074. [Best Poster Award]
  2. Ashish Kumar Verma and Rahul Singhal, "Performance Comparison of Loop Based Polarization Dependent/ Independent Reflectors for Microwave Frequency Bands," 2023 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), Ahmedabad, India, 2023, pp. 1-6, doi: 10.1109/MAPCON58678.2023.10464127.
  3. Ashish Kumar Verma, Rahul Singhal, Planar X-Band Reflecting Surfaces based on Rhombic Loop Pair, IEEE Microwave, Antennas, and Propagation Conference (MAPCON) 2022, Bengaluru, Dec 12-15, 2022
  4. Ashish Kumar Verma, Rahul Singhal, Performance Analysis of Traditional Band Pass/Band Stop Frequency Selective Surfaces for Distinct Frequency Domains of Electromagnetic Spectrum, IEEE Microwave, Antennas, and Propagation Conference (MAPCON) 2022, Bengaluru, Dec 12-15, 2022
  5. Ashish Kumar Verma, Rahul Singhal, Frequency Selective Surfaces for Electromagnetic Isolation at Terahertz Frequencies, Indian Conference on Antennas and Propagation (InCAP 2021) 13-16 December 2021, Malaviya National Institute of Technology, Jaipur.
  6. Abhishek Joshi, Rahul Singhal, Design of Ultra Wideband Cubic Dielectric Resonator Antenna Surrounded by Dielectric Micropillars for THz Applications, Indian Conference on Antennas and Propagation (InCAP 2021) 13-16 December 2021, Malaviya National Institute of Technology, Jaipur.
  7. Ashish Kumar Verma, Rahul Singhal, Mutual Coupling Reduction in THz Integrated Circuits Using Cubic Micropillar Array, 2021 IEEE Asia-Pacific Microwave Conference (APMC 2021) November 28 - December 01, 2021, Brisbane, Australia.   
  8. Abhishek Joshi and Rahul Singhal, Hexagonal Monopole Antenna with Modified Ground Plane for Sub-6 GHz Communication Applications, 2020 Asia-Pacific Microwave Conference (APMC 2020) Hong Kong, 8 - 11 December 2020.
  9. Ashish Kumar Verma and Rahul Singhal, Comparative Study of Translated Cross Dipole and Square Loop Frequency Selective Surfaces for Band Stop Characteristics in X-Band, 2020 Asia-Pacific Microwave Conference (APMC 2020) virtually in Hong Kong, 8 - 11 December 2020.
  10. Abhishek Joshi, Rahul Singhal, "Characteristics Analysis of a Square Loop-based Artificial Magnetic Conductor," Indian Conference on Antennas and Propagation 2019 (INCAP 2019), Gandhinagar, December 19-22, 2019.
  11. Vima Gupta, Rahul Singhal, "Performance Analysis of a Visible Light Vehicle-To-Vehicle Wireless Communication System", International Conference on Microwave Integrated Circuits, Photonics and Wireless Networks (IMICPW-2019), 22 - 24, May 2019, National Institute of Technology, Tiruchirappalli. (Best paper award)
  12. Lokesh Kumar Verma, Abhishek Joshi, Rahul Singhal, "Design of Frequency Reconfigurable Hexagonal Antennas for WLAN Applications", International Conference on Microwave Integrated Circuits, Photonics and Wireless Networks (IMICPW-2019), 22 - 24, May 2019, National Institute of Technology, Tiruchirappalli.
  13. Abhishek Joshi, Rahul Singhal,"Excitation Amplitude/Phase Sensitivity in Circularly Polarized Hexagonal S-Band Antenna," 2019 URSI Asia Pacific Radio Science Conference (AP-RASC), 9 - 15 March 2019, IHC, Delhi, India.
  14. Abhishek Joshi, Rahul Singhal, "Beam Convergence in Antenna Pattern using Conical and Hemispherical Dielectric Lens", in 2018 IEEE Indian Conference on Antennas and Propagation (InCAP), December 16-19, 2018 at HICC, Hyderabad.
  15. Abhishek Joshi, Rahul Singhal,"Effect of Reduced Ground Plane in a Vertex-Fed Hexagonal C-Band Antenna", 2017 Asia Pacific Microwave Conference (APMC2017), 13 – 16 November 2017, Kuala Lumpur, Malaysia.
  16. Abhishek Joshi, Lokesh Kumar Verma, Rahul Singhal,"Spurious Radiation Suppression in Slotted Hexagonal Antenna Using Complementary Split Ring Resonators", Progress in Electromagnetics Research Symposium (PIERS), November 19-22, 2017, Singapore.
  17. D. Pal, V. Jindal, A. K. Bandyopadhyay, Lokesh Kumar Verma and Rahul Singhal, "Performance Enhancement of Coupled Fed Printed Log-periodic Antenna Using Complimentary Split Ring Resonator", Progress in Electromagnetics Research Symposium (PIERS), November 19-22, 2017, Singapore.
  18. Abhishek Joshi, Rahul Singhal, "Probe-Fed Regular Hexagonal Narrow-Slot Antenna with Reduced Ground Plane for WLAN Applications" IEEE TENCON 2016 - IEEE Region 10 Conference, 22 - 25 November 2016, Marina Bay Sands, Singapore.
  19. Abhishek Joshi, Rahul Singhal, "Performance Comparison of Probe-fed Polygonal Patch Antennas for L-Band Applications" IEEE TENCON 2016 - IEEE Region 10 Conference, 22 - 25 November 2016, Marina Bay Sands, Singapore.
  20. V S Rakesh Krishna, Rahul Singhal, "720-Mbps 64-QAM-OFDM SCM Transmission Over RGB-LED-Based FSO Communication System," Thirteenth International Conference on Wireless and Optical Communications Networks, WOCN-2016, 21-23 July, 2016, Hyderabad, INDIA.
  21. V S Rakesh Krishna, Rahul Singhal, "Dual Carrier Multiplexed M-QAM signals Modulated Optical SSB Transmission Over Fiber," Thirteenth International Conference on Wireless and Optical Communications Networks, WOCN-2016, 21-23 July, 2016, Hyderabad, INDIA.
  22. V S Rakesh Krishna, Nitin Singla, Lovena Balani, Rahul Singhal, "Bidirectional 64-QAM OFDM-Over-Fiber Transmission on Single Carrier PON", IEEE INDICON 2015, 17-20 December 2015, Jamia Millia Islamia, New Delhi, India.
  23. Abhishek Joshi, Rahul Singhal, "Gain Improvement in Polygonal Patch Antennas", IEEE INDICON 2015, 17-20 December 2015, Jamia Millia Islamia, New Delhi, India.
  24. Abhishek Joshi, Rahul Singhal, "Design and Analysis of Polygonal Patch Antennas for wireless communication systems" National conference on Advances in Microelectronics, Instrumentation and Communication (MICOM-2015), November 20 - 21, 2015, Department of Electrical and Electronics Engineering, BITS Pilani, Pilani Campus.
  25. Abhishek Joshi, Rahul Singhal, "Edge Perturbation Effect in Polygonal Patch Antennas", 2015 International Conference on Signal Processing, Computing and Control (2015 ISPCC), 24 - 26 September 2015, JUIT, Waknaghat, Solan, Himachal Pradesh, India.
  26. Anish Dhiman, Rahul Singhal,"Design and Simulation of All-Polymeric Reconfigurable Optical Node" 15th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2015), 7-11 September 2015, Taipei, Taiwan.
  27. Abhsihek Joshi, Pranathi Pothireddy, and Rahul Singhal, "Probe-Feed Effect in Polygonal Patch Antennas", 2015 IEEE 4th Asia-Pacific Conference on Antennas and Propagation (APCAP 2015), Bali Island, Indonesia, June 30 - July 3, 2015.
  28. Abhishek Joshi, Debasish Pal, Rahul Singhal, "Wideband Pentaflake Antenna", 10th International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS), 9–12 December 2014, International Centre for Radio Science (ICRS), Jodhpur, Rajasthan, India.
  29. Mayank Garg, Rahul Singhal, "Speech Re-synthesis from Spectrogram Image through Sinusoidal Modelling", Third International Symposium on Natural Language Processing (NLP'14) in conjuction with IEEE Third International Conference on Advances in Computing, Communications and Informatics - ICACCI-2014, 24-27 September 2014, Delhi, India.
  30. Abhishek Joshi, Debasish Pal, Rahul Singhal, "Vertex-fed Hexagram Patch Wideband Antenna", IEEE International Conference on Signal Propagation and Computer Technology 2014(ICSPCT 2014), GEC, AJMER, 12-13 July 2014.
  31. Abhishek Joshi, Rahul Singhal, "Vertex-fed Hexagram Fractal Antenna", IEEE Indian Antenna Week 2014( IAW 2014), NITTTR, Chandigarh, 26-30 May 2014.
  32. Ajinkya Rajandekar, Rahul Singhal, "Voltage-Controlled All-Polymer Reconfigurable Optical Power Splitter", Fourth IEEE International Conference on Photonics (IICP 2013), October 28-30, 2013, Melaka, Malaysia.
  33. Kartic Bhargav K R, Rahul Singhal, "Zigbee based VANETS for Accident Rescue Missions in 3G WCDMA Networks", IEEE Global Humanitarian Technology Conference (GHTC) South Asian Satellite (SAS) Conference 2013, 23-24 August 2013 at Technopark, Trivandrum, India.
  34. Kartic Bhargav K R, Rahul Singhal, "Emergency Response Systems for Vehicular search and rescue in 3G WCDMA Networks", Tenth IEEE International Conference on Wireless and Optical Communications Networks (WOCN 2013), July 26-28, 2013, Bhopal, Madhya Pradesh.
  35. Shreesh Bahuguna, Rahul Singhal, "Hexagonal Flower Fractal Multiband Antenna", IEEE Indian Antenna Week (IAW 2013), June 3-7, 2013, Aurangabad, Maharashtra.
  36. Shreesh Bahuguna, Rahul Singhal, "Hexagonal Array Fractal Microstrip Antenna", IEEE Indian Antenna Week, (IAW 2013), June 3-7, 2013, Aurangabad, Maharashtra.
  37. M. Balasubramanian, Rahul Singhal, "All-polymer Electro-optic switch," Photonics Global Conference (PGC), Singapore, 13-16 Dec. 2012.
 Conference Publications (Ph.D. Work)
  1. Rahul Singhal, M. N. Satyanarayan and Suchandan Pal, “Effect of Y-junction residue on performance of polymeric optical splitter", International Conference on Optics and Photonics - 2009, CSIO, Chandigarh, India, Oct 2009.
  2. Rahul Singhal, M N Satyanarayan, Ravi Bhatia, Nirmal Pradhan, Mukesh Sharma and Suchandan Pal, "Fabrication of polymeric optical power splitter", Photonics 2008, IIT-D, New Delhi, India, Dec 2008.
  3. Rahul Singhal, M. N. Satyanarayan and Suchandan Pal, "Design of polymeric optical splitter incorporating a taper", Photonics 2008, IIT-D, New Delhi, India, Dec 2008.
  4. Rahul Singhal, M.N. Satyanarayan, "Lithographic processing issues with SU-8 2002", National Seminar on Photonic Polymers: Materials, Devices and Applications, BITS, Pilani, India, Apr 2008.

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