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Areas of Interest

• Spectrum Sensing in Cognitive Radio

• Wireless Communication

• Digital Signal Processing

• Embedded System

• Microcontroller and Microprocessor

• Engineering Electromagnetics

• Digital Electronics

• Antenna and wave propagation.

Publications

1.  S. J. Andrew, V. V., Sowmyashree, S. Sarkar, S. F. Sana and S. Sarkar, "Dravyon - Low-Cost Multi-Sensor Herbal Quality Monitoring System," 2026 International Conference on AI-Driven Smart Systems and Ubiquitous Computing (ICAUC), Pathum Thani, Thailand, 2026, pp. 435-441, doi: 10.1109/ICAUC68182.2026.11440960. 

2. S. Sarkar, "Power Allocation Coefficient Optimization in NOMA in a 5G Perspective," 2025 6th International Conference on Electronics and Sustainable Communication Systems (ICESC), Coimbatore, India, 2025, pp. 531-536, doi: 10.1109/ICESC65114.2025.11212544.

3. S. K. Routray, S. Sarkar, M. Singh, M. K. Jha, M. Pappa and K. P. Sharmila, "IoT-Driven Activities in Mining and Subterranean Operations," 2025 3rd International Conference on Self Sustainable Artificial Intelligence Systems (ICSSAS), Erode, India, 2025, pp. 172-177, doi: 10.1109/ICSSAS66150.2025.11080853. 

4. S. Sarkar, J. R., J. H. S. and M. Prasad, "Smart Refrigeration System with Proactive Inventory Management," 2024 5th International Conference on Electronics and Sustainable Communication Systems (ICESC), Coimbatore, India, 2024, pp. 1631-1635, doi: 10.1109/ICESC60852.2024.10690137. 

5.  S. Sarkar, R. Muralishankar and S. Gurugopinath, Vasicek and Van Es entropy-based spectrum sensing for cognitive radios,” IET Netw., Vol. 13, no. 1, pp. 1–12, Jul. 2023.

6. A. Halaki, S. Sarkar, R. Muralishankar and S. Gurugopinath, “Norm-based spectrum sensing for cognitive radios under generalised Gaussian noise,” IET Netw., Vol. 12, no. 6, pp. 282–294, Jun. 2023.

7. IoT enabled cold supply chain monitoring system S Sarkar, KS Akshatha, A Saurabh, B Samanvitha, MF Sarwar 2022 IEEE 3rd Global Conference for Advancement in Technology (GCAT), 1-6

8. S. Sarkar, "Machine Learning in 6G: The Future of Wireless Communication," 2022 6th International Conference on Intelligent Computing and Control Systems (ICICCS), Madurai, India, 2022, pp. 646-652, doi: 10.1109/ICICCS53718.2022.9788210. 

9. S. Sarkar, R. Muralishankar and S. Gurugopinath, "Generalized Energy-based Spectrum Sensing: Active Threshold Correction Under Noise  Uncertainty," 2021 2nd International Conference for Emerging Technology (INCET), 2021, pp. 1-5, doi: 10.1109/INCET51464.2021.9456189.

10. S. Sarkar and A. Debnath, "Green IoT: Design Goals, Challenges and Energy Solutions," 2021 6th International Conference on Communication and Electronics Systems (ICCES), 2021, pp. 637-642, doi: 10.1109/ICCES51350.2021.9489167.

11. S. Sarkar and A. Debnath, "Machine Learning for 5G and Beyond: Applications and Future Directions," 2021 Second International Conference on Electronics and Sustainable Communication Systems (ICESC), 2021, pp. 1688-1693, doi: 10.1109/ICESC51422.2021.9532728.

12. S. Sarkar, R. Muralishankar and S. Gurugopinath, "Dynamic Threshold Correction based on the Exact Statistics of Energy Detection in Spectrum Sensing," 2019 International Conference on Wireless Communications Signal Processing and Networking (WiSPNET), 2019, pp. 430-434, doi: 10.1109/WiSPNET45539.2019.9032783.

13. S. Sarkar, R. Muralishankar and S. Gurugopinath, "Asymptotic Analysis of Generalized Energy-Based Spectrum Sensing in Cognitive Radios," 2019 IEEE International WIE Conference on Electrical and Computer Engineering (WIECON-ECE), 2019, pp. 1-4, doi: 10.1109/WIECON-ECE48653.2019.9019909.

14. S. Sarkar, R. Muralishankar and S. Gurugopinath, "Enhanced Performance of Generalized Energy Based Spectrum Sensing with Adaptive Threshold," 2019 4th International Conference on Electrical, Electronics, Communication, Computer Technologies and Optimization Techniques (ICEECCOT), 2019, pp. 326-331, doi: 10.1109/ICEECCOT46775.2019.9114596.

15. S. K. Routray, R. Tengshe, A. Javali, S. Sarkar, L. Sharma and A. D. Ghosh, "Satellite Based IoT for Mission Critical Applications," 2019 International Conference on Data Science and Communication (IconDSC), 2019, pp. 1-6, doi: 10.1109/IconDSC.2019.8817030.

16. S. K. Routray, M. K. Jha, L. Sharma, S. Sarkar, A. Javali and R. Tengshe, "Energy Consumption Aspects of 5G Waveforms," 2018 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), 2018, pp. 1-5, doi: 10.1109/WiSPNET.2018.8538674.

17. S. K. Routray, M. K. Jha, L. Sharma, R. Nyamangoudar, A. Javali and S. Sarkar, "Quantum cryptography for IoT: A Perspective," 2017 International Conference on IoT and Application (ICIOT), 2017, pp. 1-4, doi: 10.1109/ICIOTA.2017.8073638.

18. Sutapa Sarkar et al., "Software defined IoT: Issues and challenges," 2017 International Conference on Computing Methodologies and Communication (ICCMC), 2017, pp. 723-726, doi: 10.1109/ICCMC.2017.8282560.

19. S. K. Routray, M. K. Jha, A. Javali, L. Sharma, S. Sarkar and T. Ninikrishna, "Software defined networking for optical networks," 2016 IEEE Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER), 2016, pp. 133-137, doi: 10.1109/DISCOVER.2016.7806260.

20. S. K. Routray, P Mishra, S Sarkar, A Javali, S Ramnath, "Communication bandwidth for emerging networks: trends and prospects," 

21. arXiv preprint arXiv:1903.04811.

22. Sutapa Sarkar, H Shanavas, V Bhavani, "Energy scavenging technology and components in WSN," International Journal of Computer Network and Information Security 6 (3), 44

23. Sutapa Sarkar, M Brindha, "High performance network security using NIDS approach," International Journal of Information Technology and Computer Science (IJITCS),  Vol. 6, Issue 7, pp 47-55.

24. Sharma, L., Javali, A., Sarkar, S., Tengshe, R., Jha, M.K., Routray, S.K. (2020). Optical Wireless Hybrid Networks for 5G. In: Janyani, V., Singh, G., Tiwari, M., d’Alessandro, A. (eds) Optical and Wireless Technologies . Lecture Notes in Electrical Engineering, vol 546. Springer, Singapore. https://doi.org/10.1007/978-981-13-6159-3_8.

25. S Routray, A Javali, L Sharma, R Tengshe, S. Sarkar, A Ghosh, "Satellite Based IoT for MC Applications," arXiv preprint arXiv:1903.04844.

26. A. Javali, L. Sharma, R. Tengshe and S. Sarkar, "A comparitive study on the performance of circular patch antenna using low cost substrate for S-band applications," 2018 Second International Conference on Advances in Electronics, Computers and Communications (ICAECC), 2018, pp. 1-6, doi: 10.1109/ICAECC.2018.8479475.

NPTEL MOOC Certifications:

1. NPTEL MOOC Silver Elite in the course of Advanced Computer Architecture,  April 2026

2. NPTEL MOOC Elite in the course of Electromagnetic Theory,  October 2024

3. NPTEL MOOC in the course  of Electromagnetic Waves in Guided and Wireless Media,  March, 2024

4. NPTEL MOOC Silver Elite in the course of The Joy of Computing using Python,  April 2023

5. NPTEL MOOC Silver Elite in the course of Microprocessors and Microcontrollers, May 2022