Mr. Nilmantha Wijesekara

Lecturer
Ph.D. (Reading, Ruhuna, Sri Lanka), BScEng (Hons) (Ruhuna), AMIE (SL)
Github

Contact info

+94710651856
nilmantha@eie.ruh.ac.lk
Room E214

About

Mr. P.A.D. Shehan Nilmantha Wijesekara is a Lecturer attached to the Department of Electrical and Information Engineering (DEIE), Faculty of Engineering (FoE), University of Ruhuna since 2018. He was a former instructor in the same department from December 2017- September 2018. He received his B.Sc. Eng. (First-class Hons.) Degree from FoE University of Ruhuna, Sri Lanka in 2017. He has been awarded with Mallika De Mel memorial gold medal for highest OGPA of FoE and Dr. A.D.V. Premaratna memorial gold medal for highest OGPA of DEIE for his Bachelor’s degree from the university of Ruhuna in 2017. He won best student award for excelling in Electronic Engineering. He has also been awarded Migara Ranatunga award for industrial training and E.W. Karunaratna award for the undergraduate project from IESL. He has also received Chinese ambassador scholarship for academic excellence in 2017. He had gained both teaching and research experience for more than 8 years in DEIE in all Electronic, Software and Telecommunication domains. Mr. Nilmantha is currently reading for a Ph.D. degree in Computer Engineering from University of Ruhuna, Sri Lanka. He has currently published 16 international indexed peer reviewed journal articles and has more than 220 citation score, while holding an H-index of 10 and an I10-index of 11. He has served as a peer reviewer numerous journals and conferences including IEEE Vehicular Technology Conference (VTC), Automatika, Journal of Engineering Science and Technology Review, Scientific Reports, Cloud Computing, Science, Engineering, and Technology (SET) journal, and many more.

Research Interests and Collaborations

Research Interests

  • Networking
  • Data Fusion
  • Machine Learning
  • Computer Vision
  • Computer Security
  • Underwater Acoustics
  • Biomedical Applications
  • Mathematical modelling
  • Automation
  • Optimization
  • Software Defined Vehicular Networks
  • Blockchain

Teaching

  • EE5201 Computer Architecture
  • EE3302 Data Structures and Algorithms
  • EE3301 Analog Electronics
  • EE4202 Database Systems
  • EE6301 Communication Systems
  • EE6206 Operating Systems and Programming
  • EE5305 Sensors and Transducers
  • EE8212 Optimization Techniques for Engineers

Publications

Peer Reviewed Journal Papers

  • Wijesekara, P.A.D.S.N. Network Virtualization Utilizing Blockchain: A Review. Journal of Applied Research in Electrical Engineering 2024, 3(2), 136-158. https://doi.org/10.22055/jaree.2024.46144.1110  
  • Wijesekara, P.A.D.S.N. Blockchain and Artificial Intelligence for Big Data Analytics in Networking: Leading-edge Frameworks. Journal of Engineering Science and Technology Review 2024, 17(3), 125-143. https://doi.org/10.25103/jestr.173.16 
  • Wijesekara, P.A.D.S.N. Load Balancing in Blockchain Networks: A Survey. International Journal of Electrical and Electronic Engineering & Telecommunications 2024, 13(4), 260-276. https://doi.org/10.18178/ijeetc.13.4.260-276  
  • Wijesekara, P.A.D.S.N. A Review of Blockchain-Rooted Energy Administration in Networking. Indonesian Journal of Computer Science 2024, 13(2), 1607-1642. https://doi.org/10.33022/ijcs.v13i2.3818  
  • Wijesekara, P.A.D.S.N. Ethical Knowledge Sharing Leveraging Blockchain: An Overview. Science, Engineering and Technology 2024, 4(1), 112-136. https://doi.org/10.54327/set2024/v4.i1.126  
  • Wijesekara, P.A.D.S.N. A Review on Deploying Blockchain Technology for Network Mobility Management. International Transactions on Electrical Engineering and Computer Science 2024, 3(1), 1-33. https://doi.org/10.62760/iteecs.3.1.2024.83  
  • Wijesekara, P.A.D.S.N. A Literature Review on Access Control in Networking Employing Blockchain. Indonesian Journal of Computer Science 2024, 13(1), 734-768. https://doi.org/10.33022/ijcs.v13i1.3764
  • Wijesekara PADSN, Gunawardena S. A Review of Blockchain Technology in Knowledge-Defined Networking, Its Application, Benefits, and Challenges. Network. 2023; 3(3): 343-421. https://doi.org/10.3390/network3030017
  • Wijesekara PADSN, Gunawardena S. A Comprehensive Survey on Knowledge-Defined Networking. Telecom. 2023; 4(3): 477-596. https://doi.org/10.3390/telecom4030025
  • Wijesekara PADSN, Gunawardena S. A Machine Learning-Aided Network Contention-Aware Link Lifetime- and Delay-Based Hybrid Routing Framework for Software-Defined Vehicular Networks. Telecom. 2023; 4(3): 393-458. https://doi.org/10.3390/telecom4030023
  • Wijesekara PADSN, Sudheera KLK, Sandamali GGN, Chong PHJ. An Optimization Framework for Data Collection in Software Defined Vehicular Networks. Sensors. 2023; 23(3):1600. https://doi.org/10.3390/s23031600
  • Wijesekara PADSN, Deep 3D Dynamic Object Detection towards Successful and Safe Navigation for Full Autonomous Driving, The Open Transportation Journal. 2022; 16 (1): http://dx.doi.org/10.2174/18744478-v16-e2208191
  • Herath HMDPM, Weraniyagoda WASA, Rajapaksha RTM, Wijesekara PADSN, Sudheera KLK, Chong PHJ. Automatic Assessment of Aphasic Speech Sensed by Audio Sensors for Classification into Aphasia Severity Levels to Recommend Speech Therapies. Sensors. 2022; 22(18):6966. https://doi.org/10.3390/s22186966
  • Wijesekara PADSN. A study in University of Ruhuna for investigating prevalence, risk factors and remedies for psychiatric illnesses among students. Sci Rep. 2022; 12(1):12763. https://doi.org/10.1038/s41598-022-16838-4
  • Wijesekara PADSN, Wang Y-K. A Mathematical Epidemiological Model (SEQIJRDS) to Recommend Public Health Interventions Related to COVID-19 in Sri Lanka. COVID. 2022; 2(6):793-826. https://doi.org/10.3390/covid2060059
  • Seneviratne C, Wijesekara PADSN, Leung H. Performance Analysis of Distributed Estimation for Data Fusion Using a Statistical Approach in Smart Grid Noisy Wireless Sensor Networks. Sensors. 2020; 20(2):567. https://doi.org/10.3390/s20020567.

Abstracts

Contributions and Awards

Local Contributions

  • Instructor In charge for 7th semester laboratories of DEIE – 2018
  • Instructor In charge for 6th semester laboratories of DEIE – 2018
  • Instructor In charge for 8th semester laboratories of DEIE – 2018
  • Developed the laboratory manual for Optical Fibre Communication – 2019

Scholarships

  • Chinese Ambassador’s scholarship – 2017

Awards

  • Mallika De Mel Memorial Gold Medal from UoR – 2018
  • Dr. A.D.V. Premaratne Memorial Gold Medal from UoR – 2018
  • Best Student Award from UoR – 2018
  • Migara Ranatunga Trust Award from IESL -2018
  • Eng. E.W. Karunaratna Award from IESL- 2018

Projects