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Dr. Simhadri Ravishankar

Assistant Professor (Sr. Gd.), School of Engineering, Department of Electronics and Communication Engineering, Chennai

Qualification: Ph.D., M.Tech., B.E.
r_simhadri@ch.amrita.edu
ORCID ID
Google Scholar Profile
Scopus Author ID
Research Interest: Wireless Communications, Green Cellular Networks, Cooperative Diversity Systems, Non-Orthogonal Multiple Access, and Intelligent Reflecting Surfaces, and Signal Processing

Bio Publications Qualifications Experience Awards & Achievements Courses Taught
Bio

Dr. Simhadri Ravishankar currently serves as an Assistant Professor (Sr. Gd.) in the Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Chennai Campus.

He has more than 15 years of teaching and research experience. He has published 11+ research articles in Peer-reviewed International Journals and conferences. 

Publications

Conference Paper

Year : 2025

Single Image Dehazing Using Quantization Aware Swin Transformer Based Unet Architecture

Cite this Research Publication : Sivaji Satrasupalli, Prathiba Jonnala, Simhadri Ravishankar, Single Image Dehazing Using Quantization Aware Swin Transformer Based Unet Architecture, 2025 11th International Conference on Communication and Signal Processing (ICCSP), IEEE, 2025, https://doi.org/10.1109/iccsp64183.2025.11088784

Publisher : IEEE

Year : 2025

Cooperative Multi-User NOMA with Selection Combining

Cite this Research Publication : Simhadri Ravishankar, M.D. Selvaraj, Cooperative Multi-User NOMA with Selection Combining, 2025 IEEE Wireless Antenna and Microwave Symposium (WAMS), IEEE, 2025, https://doi.org/10.1109/wams64402.2025.11158887

Publisher : IEEE

Year : 2025

Performance Analysis of IRS-Equipped UAV NOMA System with Two-Cell Coordination

Cite this Research Publication : Simhadri Ravishankar, K Jnana Varshitha, L Pavan Kumar, Performance Analysis of IRS-Equipped UAV NOMA System with Two-Cell Coordination, 2025 IEEE Wireless Antenna and Microwave Symposium (WAMS), IEEE, 2025, https://doi.org/10.1109/wams64402.2025.11158900

Publisher : IEEE

Year : 2025

MediAid: Automated Healthcare and Smart Medicine Dispenser

Cite this Research Publication : Ravichandran M, Anusri S, Madhunisha M V, Simhadri Ravishankar, MediAid: Automated Healthcare and Smart Medicine Dispenser, 2025 IEEE 22nd India Council International Conference (INDICON), IEEE, 2025, https://doi.org/10.1109/indicon68490.2025.11392893

Publisher : IEEE

Year : 2023

Performance Analysis of Coordinated Multipoint NOMA Cellular Networks

Cite this Research Publication : S. Ravishankar, B. Kokkalla and M. D. Selvaraj, “Performance Analysis of Coordinated Multipoint NOMA Cellular Networks,” 2023 IEEE Wireless Antenna and Microwave Symposium (WAMS), Ahmedabad, India, 2023, pp. 1-5

Publisher : IEEE

Year : 2022

Outage Performance of Device-to-Device enabled Cooperative Non-orthogonal Multiple Access

Cite this Research Publication : S. Ravishankar and M. D. Selvaraj, “Outage Performance of Device-to-Device enabled Cooperative Non-orthogonal Multiple Access,” 2022 IEEE 19th India Council International Conference (INDICON), Kochi, India, 2022, pp. 1-5

Publisher : IEEE

Year : 2016

UAV based smoke plume detection system controlled via the short message service through the GSM network

Cite this Research Publication : P. Ramanatha, U. R. Nelakuditi, S. Ravishankar and V. Ranganathan, “UAV based smoke plume detection system controlled via the short message service through the GSM network,” 2016 International Conference on Inventive Computation Technologies (ICICT), Coimbatore, India, 2016, pp. 1-4.

Publisher : IEEE

Year : 2015

A novel technique to improve the radiation pattern of TSAs by modifying the substrate

Cite this Research Publication : G. D. Suryachand, M. S. S. Rao, S. Ravi Sankar and S. A. Kumar, “A novel technique to improve the radiation pattern of TSAs by modifying the substrate,” 2015 International Conference on Signal Processing and Communication Engineering Systems, Guntur, India, 2015, pp. 196-199

Publisher : IEEE

Journal Article

Year : 2025

On the Performance of CoMP-Aided Downlink Cooperative NOMA Systems

Cite this Research Publication : Simhadri Ravishankar, M. D. Selvaraj, On the Performance of CoMP-Aided Downlink Cooperative NOMA Systems, IETE Journal of Research, Informa UK Limited, 2025, https://doi.org/10.1080/03772063.2025.2486574

Publisher : Informa UK Limited

Year : 2024

Intelligent reflecting surface‐aided D2D‐enabled coordinated multipoint NOMA systems over Nakagami‐m fading channels

Cite this Research Publication : Simhadri Ravishankar, M. D. Selvaraj, Intelligent reflecting surface‐aided D2D‐enabled coordinated multipoint NOMA systems over Nakagami‐m fading channels, International Journal of Communication Systems, Wiley, 2024, https://doi.org/10.1002/dac.5905

Publisher : Wiley

Year : 2017

Sparse NMF based speech enhancement with bases update

Cite this Research Publication : V. Sunnydayal, N. Siva Prasad, S. Ravishankar, S. Surendran and N. K. Ragesh, “Sparse NMF based speech enhancement with bases update,” International Journal of Speech Technology, vol. 20, pp.443-454, May 2017

Publisher : Springer

Qualifications

Academic Qualifications

2017-2025 Ph.D.
Indian Institute of Information Technology, Design and Manufacturing, Kancheepuram, Tamilnadu
Title: Investigations on the performance of cooperative non-orthogonal multiple access techniques
2008- 2010 M. Tech Telecommunications 
First Class National Institute of Technology Calicut, Kerala
2004- 2008 B. E. Electronics and Communication Engineering 
First Class SIR CRR College of Engineering, Andhra University, Andhra Pradesh

Technical Skills

  • MATLAB
  • Python
Experience
June 2025 to Present Assistant Professor (Sr. Gd.), Department of Electronics and Communication Engineering, Amrita School of Engineering, Chennai Campus
June 2024 to April 2025 Faculty Associate, Department of Electronics and Communication Engineering, Amrita School of Engineering, Chennai Campus
June 2011 to July 2017 Assistant Professor, Department of Electronics and Communication Engineering, VFSTR University, Guntur, Andhra Pradesh
July 2010 to June 2011 Assistant Professor, Department of Electronics and Communication Engineering, Madanapalle Institute of Technology, Madanapalle, Andhra Pradesh
Awards & Achievements
  1. Doctoral fellowship, MHRD, Govt. of India during 2017-2022
  2. PG fellowship, MHRD, Govt. of India during 2008-2010 
  3. GATE qualified AIR 1495 in 2008 EC paper
Courses Taught
  • Wireless Communications
  • Communication Networks
  • Analog and Digital Communications
  • Digital Signal Processing
  • Signals and Systems
  • Electro Magnetic Field Theory
  • Probability Theory and Stochastic Processes
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