Dr. W.A. Susantha Wijesinghe is a Senior Lecturer in the Department of Electronics, Faculty of Applied Sciences, Wayamba University of Sri Lanka. He joined the university in 2001 and has since made sustained contributions to teaching, research, and academic administration.

He obtained his B.Sc. (Special) Degree in Physics with First Class Honours from the University of Sri Jayewardenepura in 2000, followed by an M.Phil. from the University of Colombo in 2007. He completed his Ph.D. at Wesleyan University, Connecticut, USA, in 2012, where his research focused on advanced electronic systems and computational methodologies.

Dr. Wijesinghe’s academic career reflects a strong integration of theoretical foundations and practical system design. His recent work increasingly focuses on lightweight cryptographic architectures and hardware-efficient security mechanisms, particularly targeting resource-constrained embedded and FPGA-based platforms. His research adopts a rigorous, experiment-driven approach combining algorithm design, formal analysis, and hardware realization.

• Lightweight cryptography for resource-constrained devices
• FPGA-based hardware architectures for secure systems
• Embedded systems design and optimization
• Digital system design using Verilog HDL
• Artificial intelligence in embedded platforms
• Control systems, fuzzy logic, and neural networks

Current Research Direction:
His ongoing research emphasizes hardware-oriented cryptographic design, including block and stream cipher architectures optimized for low-area, low-power environments. This includes the development and analysis of novel cipher constructions, FPGA implementations, and formal cryptanalysis using constraint-solving techniques.

Dr. Wijesinghe is actively involved in undergraduate and postgraduate teaching, with a focus on bridging theory and practical system implementation.

• ELTN 1112 – Fundamentals of Electricity & Magnetism
• ELTN 4143 – Programmable Logic Devices
• ELTN 4151 – Programmable Logic Devices Laboratory
• ELTN 4213 – Digital Signal Processing
• ELTN 4272 – Embedded Systems

• Chairman, Curriculum and Academic Development Committee (CADC), Faculty of Applied Sciences (2017 – Present)
• Chairman, Senate Research & Higher Degrees Committee (SRHDC), WUSL (2019 – 2022)
• Head, Department of Electronics (2017 – 2020)
• Director, Information Communication & Technology Center (ICTC), Kuliyapitiya (2012 – 2015)

• Publication Chair, International Conference on Image Processing and Robotics (ICIPRoB) – 2022, 2024, 2026

Dr. Wijesinghe is an active peer reviewer for internationally recognized journals, primarily within the Springer Nature publishing group. His reviewing activities focus on hardware security, lightweight cryptography, FPGA-based system design, and embedded systems for resource-constrained environments.

He has reviewed manuscripts for several indexed journals, including:

• Scientific Reports (Nature Nature)
• Cluster Computing
• The Journal of Supercomputing
• Analog Integrated Circuits and Signal Processing
• Discover Applied Sciences
• Discover Electronics

His reviewing contributions are formally recognized through Springer Nature’s reviewer certification system and are linked to ORCID, reflecting sustained engagement in maintaining the rigor, quality, and integrity of scholarly research in secure and efficient hardware systems.

Current Postgraduate Students

• Mrs. H.I.D. Pubudunee (MPhil)
  AI-Driven Embedded Systems for Predictive Maintenance in Sri Lankan Apparel Industries
• Mr. H.M.T.N. Herath (PhD)
  Adaptive Prototype Learning for Resource-Constrained Continual Sound Recognition on Embedded Systems

Completed Postgraduate Students

• Mr. Hasitha Bandara (MPhil)
  Development of High-Speed and Low-Cost Product Monitoring System
• Mr. H.M.A.J. Herath (MPhil)
  Development of a Collision Prevention Mechanism for Automobiles

1. Shantha and W. Wijesinghe, “Automated Intelligent Fall Detection and Alert System for Elders,” 2026 International Conference on Image Processing and Robotics (ICIPRoB), pp. 1-3, 2026, IEEE.
2. A. S. Wijesinghe, “ExpanderGraph-128: A novel graph-theoretic block cipher with formal security analysis and hardware implementation,” Integration, vol. 102, p. 102715, 2026, Elsevier.
3. A. S. Wijesinghe, “An area-efficient DSP-free modular exponentiation architecture for resource-constrained FPGAs,” Journal of King Saud University–Engineering Sciences, vol. 37, no. 6, p. 32, 2025, Springer International Publishing Cham.
4. A. S. Wijesinghe, “Benchmarking Design Trade-offs in FPGA Implementations of SIMON 64/128 Cipher,” Journal of Hardware and Systems Security, vol. 9, no. 3, pp. 121-135, 2025, Springer International Publishing Cham.
5. A. S. Wijesinghe, “PARC: A PRINCE-Based Pseudo-Random Number Generator with a Hardware-Efficient Reflective Architecture,” TechRxiv (preprint), 2025. doi: 10.36227/techrxiv.175393216.65513782/v1.
6. R. S. A. Suraweera Arachchige and W. A. S. Wijesinghe, “Scalable Convolutional Neural Network Inference on-the-Edge using Low-Density FPGAs,” 2025 5th International Conference on Advanced Research in Computing (ICARC), pp. 1-6, 2025, IEEE.
7. A. S. Wijesinghe, “An efficient algorithm for modulus operation and its hardware implementation in prime number calculation,” AEU-International Journal of Electronics and Communications, vol. 191, p. 155657, 2025, Urban & Fischer.
8. Pathiraja, W.A.S. Wijesinghe, and A. Kumara, “Smart Agro Soil Analyzer for Sustainable Farming,” 2024 International Conference on Image Processing and Robotics (ICIPRoB), pp. 1-3, 2024, IEEE.
9. Pathiraja and W.A.S. Wijesinghe, “IoT-based smart medicine dispenser,” 2024 International Conference on Image Processing and Robotics (ICIPRoB), pp. 1-3, 2024, IEEE.
10. Senevirathna, W.A.S. Wijesinghe, C. Premachandra, and H. W. H. Premachandra, “Development of a Smart Stock Assistant for Industries,” 2022 IEEE 11th Global Conference on Consumer Electronics (GCCE), pp. 719-721, 2022, IEEE.
11. E. Bandara, S. Wijesinghe, and M. Wickramasinghe, “Camera Self-Triggering Mechanism for Optimal Image Capturing,” ECS Transactions, vol. 107, no. 1, p. 1467, 2022, IOP Publishing.
12. Senevirathna, W. Wijesinghe, C. Premachandra, and D. Kuruppuarachchi, “Development of a Raspberry Pi based soil nutrient analyzing system for crop cultivation,” 2021 IEEE 10th Global Conference on Consumer Electronics (GCCE), pp. 808-809, 2021, IEEE.
13. E. Bandara, S. Wijesinghe, and M. Wickramasinghe, “Identification of Degree of Defects for the Product Quality Monitoring System Using Image Edge Filtering,” 2021 10th International Conference on Information and Automation for Sustainability (ICIAfS), pp. 151-155, 2021, IEEE.
14. N. N. Senavirathna, W. A. S. Wijesinghe and C. Premachandra, “Smart Home Energy Management System to Reduce Monthly Electricity Bill,” 2019 IEEE 8th Global Conference on Consumer Electronics (GCCE), Osaka, Japan, 2019, pp. 243-245, doi: 10.1109/GCCE46687.2019.9015221.
15. W. Y. C. Karunarthhna, W. A. S. Wijesinghe and H. Kawanaka, “Development of a Home Automation Systems for Sri Lanka Using ARM Cortex M4,” 2019 IEEE 8th Global Conference on Consumer Electronics (GCCE), Osaka, Japan, 2019, pp. 587-589.
16. A. Manawadu, M. W. Y. C. Karunarathna, H. D. C. N. Gunawardana, C. Premachandra, P. R. S. De Silva and W. A. S. Wijesinghe, “A Study of automated image capturing HDI environment using NAVIO 2,” 2018 IEEE 7th Global Conference on Consumer Electronics (GCCE), Nara, 2018, pp. 308-311.
17. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. A Mechanism for Predicting Lane Change Actions of Automobiles to Avoid Collision, International Journal of Advanced Scientific Research and Management (IJASRM, ISSN 2455-6378), Vol 2 Issue 12,2017
18. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. A Collision Prediction Mechanism for Auto Mobiles, Proceedings of the Wayamba University Research Congress (WURC 2017), 24^thMarch 2017 at Wayamba University of Sri Lanka.
19. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. A Logical Model of Driver Decisions on Straight Road Segments and Bends for Vehicular Safety Applications, Proceedings of the 5^th Research Symposium YSF, 22^ndJanuary 2016 at the Institution of Engineers, Sri Lanka (IESL), Sri Lanka.
20. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. An Effective Message Passing Approach to Predict Vehicle Collisions in a Single Lane Straight Road Segment, Proceedings of the 3^thInternational Research Symposium (IRSyRUSL), 26^thand 27^th of January 2016 at Rajarata University of Sri Lanka.
21. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. A low cost vehicular network test bed for safety applications, Proceedings of the 2^ndWayamba International Conference (WinC 2016), 19^th and 20^th of August 2016 at Wayamba University of Sri Lanka.
22. HMAJ Herath, WAS Wijesinghe, and MJ Walpola. An Algorithm to Ensure Safe Overtaking in Curved Single Lane Road Segments, Proceedings of the 2^ndWayamba International Conference (WinC 2016), 19^th and 20^th of August 2016 at Wayamba University of Sri Lanka.
23. U.K Ekanayake, W.A.S Wijesinghe, Radio Frequency Energy Harvesting System, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
24. G.G.K Gamage, W.A.S Wijesinghe, Endurance Tester for Detection of Faulty Point in Switches and Sockets, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
25. D.S.S Weerasekara , W.A.S Wijesinghe, Microwave Link Optimization, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
26. V.T Mahushani, W.A.S Wijesinghe, Temperature and Moisture Sensitive Inverter Module for Energy Efficient Refrigerator, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
27. MS.L.B Ekanayake, W.A.S Wijesinghe, Hardware Implementation of VGA Controller on FPGA, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
28. A.S.A Thilakarathne, W.A.S Wijesinghe, FPGA-based Camera Interface for Real-time Video Processing, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
29. M.N.S.K Basnayake, W.A.S Wijesinghe, Design of an MP3 Player with Time Scheduling, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
30. P.L Wijesinghe, W.A.S Wijesinghe, Low-cost Pump to Regulate Delivery of Drug Infusion, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2015.
31. Y.V Hemantha, W.A.S Wijesinghe, Hardware implementation of modulus operation, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
32. S.N Madugalla, W.A.S Wijesinghe, Automated AC and shutter controller system, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
33. D Yapa, W.A.S Wijesinghe, Power distribution control system for network planning division, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
34. P.A.U.K Samrakoon, W.A.S Wijesinghe, Relay based backup system for the voice communication control system, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
35. H.A Madushan, W.A.S Wijesinghe, Automating video feed monitoring system for TV broadcasting, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
36. G Jayakody, W.A.S Wijesinghe, Study of image processing algorithms for hardware implementation, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
37. D Yapa, W.A.S Wijesinghe, Power distribution control system for network planning division, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
38. P.A.U.K Samrakoon, W.A.S Wijesinghe, Relay based backup system for the voice communication control system, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
39. H.A Madushan, W.A.S Wijesinghe, Automating video feed monitoring system for TV broadcasting, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
40. G Jayakody, W.A.S Wijesinghe, Study of image processing alogirthms for hardware implementation, Proceedings of Annual Symposium on Research & Industrial Training, Department of Electronics, Wayamba University of Sri Lanka, 2014.
41. Wijesinghe, M. Jayananda, and D. Sonnadara, Performance evaluation of multipliers in reconfigurable hardware, Journal of the National Science Foundation of Sri Lanka, vol. 36, pp. 235-237, Sept. 2008.
42. Voth and WAS Wijesinghe, Measurement of Anisotropy in Turbulance using SO(3) decomposition, American Physical Society- Division of Fluid Mechanics, Abstract ID:M23.006, 2012.
43. Nicholas, G. Voth, WAS Wijesinghe, Two point correlations between velocity sums and differences in turbulence, American Physical Society, APS March Meeting, Abstract ID: J41.001, 2012.
44. WAS Wijesinghe, G. Voth, Measuring anisotropy as a function of scale in turbulence using 3D particle tracking, American Physical Society, APS March Meeting, Abstract ID: J41.003, 2012.
45. WAS Wijesinghe, M.K Jayananda, DUJ Sonnadara, A simple reconfigurable microcontroller in a 36 macrocell CPLD, Journal of National Science Foundation, 39 (3), 261-266, 2011.
46. WAS Wijesinghe, M.K Jayananda, DUJ Sonnadara, Simulatin of Diffusion Limited Aggregation in Field Programmable Gate Arrays, Journal of National Science Foundation, 38 (4), 213-218, 2010.
47. WAS Wijesinghe, M.K Jayananda, DUJ Sonnadara, Performance evaluation of multipliers in reconfigurable hardware, Journal of National Science Foundation, 36 (3), 249-251, 2008.