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Dr. Sanika Wijayasekara

Assistant Professor

Faculty of Computing | Computer Systems Engineering

Career Summary

  • 2020 April-2023 April :Senior Lecturer GII, Department of Electronic and Telecommunication, Faculty of Engineering, General Sir John Kotelawela Defence University, Sri Lanka.
  • 2015 - 2020-Lecturer, Department of Electronic and Telecommunication,, Faculty of Engineering, General Sir John Kotelawela Defence University, Sri Lanka.
  • 2018 - 2019-Research Visiting Student under the supervision of Prof. Hung-Yun Hsieh, Department of Electrical Engineering, Faculty of Engineering National Taiwan University, Taipei, Northern Taiwan.
  • 2016- 2018-Graduate Research And Teaching Assistant, Department of Electrical Engineering and International School of Engineering , Chulalongkorn University, Bangkok, Thailand.
  • 2011 - 2012-Teaching Assistant, Undergraduate Program at Asian Institute of Technology, Thailand.
  • 2010 - 2015-Lecturer, Faculty of Computing SLIIT, Sri Lanka.


  • Doctor of Philosophy : Field of Study : Telecommunication Networking and Systems, Department of Electrical Engineering, Chulalongkorn University, Bangkok, Thailand. August 2015 - July 2019 , Supervisor : Prof. Lunchakorn Wuttisittikulkij
  • MSc in Telecommunications: Asian Institute of Technology, Bangkok, Thailand, January 2011 - December 2012, Supervisor: Dr. Teerapat Sanguankotchakorn
  • BSc (Hon) in Information Technology Specialization in Computer Systems and Networking: Sri Lanka Institute of Information Technology, Malabe, Sri Lanka, January 2006 - December 2009, Graduated with a First Class Honour Undergraduate Project Supervisor : Dr. Malitha Wijesundara 
  • Certificate Course in Teaching in Higher Education (CTHE): University Sri Jayewardenepura, Sri Lanka} - 2020/2021 : This course is specially for the university academic staff in Sri Lanka. It is recognized by the University Grants Commission (UGC), Sri Lanka to fulfill the requirement to apply for confirmation after completion of the probationary period of lecturers in SriLankan university services.


  • Overseas Research Experience Scholarship for Graduate Student, Graduate School of Chulalongkorn University, Thailand, to attend the Research Visiting Student program at National Taiwan University, Taipei, Taiwan. July 2018-July 2019.
  • The 90th Anniversary of Chulalongkorn University Scholarship, Thesis Research Grant, Graduate School of Chulalongkorn University, Thailand. 2018-2019.
  • The 100th anniversary Chulalongkorn University Fund for Doctoral Scholarship, Graduate School, Chulalongkorn University, Thailand. 2015-2018.
  • Electrical Engineering Chulalongkorn University PhD (EECU-PhD) Honors Program Scholarship, Department of Electrical Engineering Faculty of Engineering, Chulalongkorn University, Thailand. 2015-2018.
  • AIT Fellowship, Asian Institute of Technology (AIT), Thailand. 2011-2012.
  • Performance-based Scholarships, SLIIT, Malabe, Sri Lanka.2006-2007.

Research Interests and Memberships

Research Interests

  • Wireless communication with particular emphasis on multi-access  communication by considering the Medium Access Control (MAC) layer and collision avoidance in a shared communication channel. 
  • Optimized scheduling procedure to reduce the network latency of Time Slotted Channel Hopping (TSCH) network for IEEE 802.15.4e Industrial IoT (IIoT) standard.
  • File entropy analysis for Ransomware  early identification based on machine learning.
  • Full-Duplex communication and Polar Codes for 5G.


  • Institute of Electrical and Electronics Engineers (IEEE) Senior member - 2022 onwards
  • Executive Committee Member of  IEEE Communication Society (IEEE ComSoc)  Sri Lanka Chapter - 2022
  • Member of Institution of Engineering Technology (MIET) - 2021 to present
  • Institute of Electrical and Electronics Engineers (IEEE) Member - 2011 to 2021

Ongoing Research

  • Security Analysis and Improvement of Chromium based Browser's Native Password Managers.
  • Real Time Phishing Detection Mobile Chat App with AI and ML.
  • File Integrity Monitoring Tool - Secure Check.
  • Data Security in Criminal Investigation and Tracking System with Suspect Prediction.
  • Network Slicing for Open RAN Architecture with Machine Learning.
  • A Remote treatment method for Dementia and Delirium patients using Virtual Reality.

My Publications

Journal Publications

Conference Proceedings

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