Tharaka Samarasinghe

Research Interests

• Wireless Communications
• Information Theory
• Intelligent Transportation Systems

Teaching

• Undergraduate
  • Random Signals and Processes
  • Analog and Digital Communications
  • Digital Communications
• Postgraduate
  • Information Theory
  • Wireless Communications
  • Wireless Networks
  • Digital Communications

Work Experience

• Senior Lecturer, Dept. of Electronic and Telecommunication Engineering, University of Moratuwa, Sri Lanka, 2015 January onwards.
• Honorary Fellow, Dept. of Electrical and Electronic Engineering, University of Melbourne, Australia, 2016-2020.
• Postdoctoral Research Fellow, Dept. of Electrical and Computer Systems Engineering, Monash University, Australia, 2012-2014.
• Teaching Assistant, Dept. of Electrical and Electronic Engineering, University of Melbourne, Australia, 2010–2012.
• Engineer, Radio Network Design, Planning and Optimization, Mobitel Pvt. Ltd, Sri Lanka, 2008-2009.

Other Work-Related Experience

• Course Coordinator, M.Sc. in Telecommunications, Dept. of Electronic and Telecommunication Engineering, University of Moratuwa (2017-2021).
• Curriculum Development
  • B.Sc. Eng. (Hons.), Dept. of Electronic and Telecommunication Engineering, University of Moratuwa (2020).
  • M.Sc. in Telecommunications, Dept. of Electronic and Telecommunication Engineering, University of Moratuwa (2018)
  • B.Sc. Eng. (Hons.), Department of Electrical and Electronic Engineering, University of Sri Jayewardenepura(2016)
  • Pg. Dip., Department of Electronic and Telecommunication Engineering, IESL College of Engineering, (2015).
  • General Qualifying Examination for Associate Membership, IESL (2019).
  • National Diploma in Engineering Sciences, Institution of Engineering and Technology, Katunayaka, (2019)
  • B.Tech., Electronic and Telecommunication Engineering Technology, Faculty of Technology, Rajarata University of Sri Lanka (2021).
• Consultancy Services
  • Sri Lanka Police.
  • Special Task Force, Sri Lanka Police.
  • Telecommunications Regulatory Commission of Sri Lanka.
  • Department of National Museums, Sri Lanka.
• Voluntary Services
  • Chairman, IEEE Communications Society - Sri Lanka Chapter (2019-2021).
  • Vice-Chairman, IEEE Communications Society - Sri Lanka Chapter (2022).
  • Senior Treasurer, Sports council, University of Moratuwa (2019-2022).
  • Treasurer, Association of Engineer teachers, University of Moratuwa (2019-2022).
  • Treasurer, IEEE Sri Lanka Section (2020).

Grants and Awards

• Co-Investigator, Senate Research Council Grant SRC/LT/2015/7, University of Moratuwa (2015).
• Principle Investigator, Senate Research Council Grant SRC/LT/2018/2, University of Moratuwa (2018).
• Co-Investigator, AHEAD/RA3/RIC/MRT/ITS- Multidisciplinary Transport Development Project of the University of Moratuwa under World Bank Grant 6026-LK/8743-LK (2019).
• President's Award for Scientific Publication, Government of Sri Lanka (2016).
• Research Excellence with Distinction, University of Moratuwa (2016, 2018-2021).
• Research Excellence, University of Moratuwa (2017).
• National Research Council Merit Award, Government of Sri Lanka (2015, 2018).
• Melbourne International Fee Remission and Research Scholarships, University of Melbourne (2009-2012).
• Prof. Dayantha Wijesekara Award for the Most Outstanding graduant of the University of Moratuwa (2008).
• University Colours, University of Moratuwa (2004-2007).

Journal Publications

1. G.P. Wijesiri, J. Haapola, T. Samarasinghe, “The Effect of Multiple Access Categories on the MAC Layer Performance of IEEE 802.11 p,” IEEE Transactions on Communications, 2022
2. S. Sumanthiran, D. Kudathanthirige, K. T. Hemachandra, T. Samarasinghe, G. Aruma Baduge, “Rank-1 Matrix Approximation Based Channel Estimation for Intelligent Reflecting Surface-Aided Multi-User MISO Communications,” IEEE Communications Letters, 2021
3. M. Wijewardena, T. Samarasinghe, K. T. Hemachandra, S. Atapattu, J. S. Evans, “Physical Layer Security for Intelligent Reflecting Surface Assisted Two–Way Communications,” IEEE Communications Letters, 2021
4. G.P. Wijesiri, J. Haapola, T. Samarasinghe, “A Discrete-Time Markov Chain Based Comparison of the MAC Layer Performance of C-V2X Mode 4 and IEEE 802.11p,” IEEE Transactions on Communications, 2021
5. H. Hydher, D.N.K. Jayakody, K.T. Hemachandra, T. Samarasinghe, “Intelligent UAV deployment for a disaster-resilient wireless network,” Sensors, 2020
6. V. Jayasundara, H. Jayasekara, T. Samarasinghe, K. T. Hemachandra, “Device-Free User Authentication, Activity Classification and Tracking using Passive Wi-Fi Sensing: A Deep Learning Based Approach,” IEEE Sensors Journal, 2020
7. S. Abeywickrama, T. Samarasinghe, C. K. Ho, Y. Chau “Wireless Energy Beamforming Using Received Signal Strength Indicator Feedback,” IEEE Transactions on Signal Processing, 2018
8. T. Samarasinghe, H. Inaltekin, J.S. Evans, "Modeling and Analysis of Opportunistic Beamforming for Poisson Wireless Networks," IEEE Transactions on Wireless Communications, 2016
9. M. Wang, T. Samarasinghe, J.S. Evans, "Optimizing User Selection Schemes in Vector Broadcast Channels," IEEE Transactions on Communications, 2015
10. T. Samarasinghe, H. Inaltekin, J.S. Evans, "On the Outage Capacity of Opportunistic Beamforming with Random User Locations," IEEE Transactions on Communications, 2014
11. T. Samarasinghe, H. Inaltekin, J.S. Evans, " On Optimal Downlink Coverage in Poisson Cellular Networks with Power Density Constraints," IEEE Transactions on Communications, 2014
12. T. Samarasinghe, H. Inaltekin, and J. Evans, “Optimal Selective Feedback Policies for Opportunistic Beamforming,”, IEEE Transactions on Information Theory, 2013
13. T. Samarasinghe, H. Inaltekin, and J. Evans, “The Feedback-Capacity Tradeoff for Opportunistic Beamforming under Optimal User Selection,” Performance Evaluation, 2012 (invited paper)

Conference Publications

1. G.P. Wijesiri, J. Haapola, T. Samarasinghe, “The Effect of Multiple Access Categories on the MAC Layer Performance of IEEE 802.11p,” in Proc. IEEE Global Communications Conference, Taipei, Taiwan, Dec. 2020.
2. R. De Silva, Y. Siriwardhana, T. Samarasinghe, M. Ylianttila, M. Liyanage, “Local 5G Operator Architecture for Delay Critical Telehealth Applications,” in Proc. IEEE 5G World Forum, Virtual Event, Sep. 2020.
3. T. Nuradha, K.T. Hemachandra, T. Samarasinghe, S. Atapattu, “Physical-Layer Security for Untrusted UAV-Assisted Full-Duplex Wireless Networks,” in Proc. IEEE Global Communications Conference Workshops, Waikoloa, USA, Dec. 2019.
4. T. Nuradha, T. Samarasinghe, K.T. Hemachandra, “A Novel Content Caching and Delivery Scheme for Millimeter Wave Device-to-Device Communications ,” in Proc. International Symposium on Wireless Personal Multimedia Communications, Lisbon, Portugal, Nov., 2019.
5. I.J. Ranawaka, K.T. Hemachandra, T. Samarasinghe, T. Nuradha, “An Energy Efficient D2D Model with Guaranteed Quality of Service for Cloud Radio Access Networks ,” in Proc. International Symposium on Wireless Personal Multimedia Communications, Lisbon, Portugal, Nov., 2019..
6. G.P. Wijesiri, J. Haapola, T. Samarasinghe, “A Markov Perspective on C-V2X Mode 4,” in Proc. IEEE Vehicular Technology Conference, Honolulu, USA, Sep. 2019.
7. I. Ismath, T. Samarasinghe, D. Dias, M. Wimalarathna, W. Rasanga, N. Jayaweera, Y. Nugera, “Emergency Vehicle Traversal using DSRC/WAVE based Vehicular Communication,” in Proc. IEEE Intelligent Vehicles Symposium, Paris, France, Jun. 2019
8. L. Jayasinghe, T. Samarasinghe, C. Yuen, J.C.N. Low, S.S. Ge, “Temporal convolutional memory networks for remaining useful life estimation of industrial machinery,” in Proc. IEEE International Conference on Industrial Technology, Melbourne, Australia, Feb. 2019.
9. W. Manamperi, T. Samarasinghe, D. Dias, “Enhancing the Wi-Fi Direct Protocol for Data Communication in Vehicular Ad-hoc Networks,” in Proc. IEEE International Conference on Intelligent Transportation Systems, Maui, USA, Nov. 2018.
10. S. Abeywickrama, T. Samarasinghe, C. Yuen, R. Zhang, “Cluster-based wireless energy transfer for low complex energy receivers,” in Proc. International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, Shanghai, China, May 2018.
11. C. Singhabahu, T. Samarasinghe, S. Abeywickrama, C. Yuen, “Wireless energy transfer to a pair of energy receivers using signal strength feedback,” in Proc. International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, Shanghai, China, May 2018.
12. T. Illandara, K.T. Hemachandra, T. Samarasinghe “On the coverage probability of cellular networks with underlaid clustered device-to-device networks using power control,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems, Bhubaneswar, India, Dec. 2017.
13. S. Pallewatta, P.S. Lakmali, S. Wijewardana, P. Ranathunga, T. Samarasinghe, D. Dias, “802.11 p: Insights from the MAC and physical layers for a cooperate car following application,” in Proc.International Conference on Intelligent Transport Systems, Helsinki, Finland, Nov. 2017
14. S. Abeywickrama, T. Samarasinghe, C.K. Ho, “Wireless energy beamforming using signal strength feedback,” In proc. IEEE Global Communications Conference, Washington DC, USA, Dec. 2016.
15. A. Balasundram, T. Samarasinghe, D. Dias “Performance analysis of Wi-Fi direct for vehicular ad-hoc networks ,” in Proc. IEEE International Conference on Advanced Networks and Telecommunications Systems, Bangalore, India, Nov. 2016.
16. M. Wang, T. Samarasinghe, J. S. Evans, “Transmission rank selection for opportunistic beamforming with quality of service constraints,” in Proc. International Conference on Communications, Sydney, Australia, Jun. 2014.
17. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Maximizing the coverage-intensity product in random cellular networks,” in Proc. Australian Communications Theory Workshop, Sydney, Australia, Feb. 2014.
18. M. Wang, T. Samarasinghe, and J. S. Evans, “Multi-cell opportunistic beamforming in interference-limited networks,” in Proc. Australian Communications Theory Workshop, Sydney, Australia, Feb. 2014. (Winner of Best Student Paper Award).
19. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Outage capacity of opportunistic beamforming with random user locations,” in Proc. IEEE Global Telecommunications Conference, Atlanta, USA, Dec. 2013.
20. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Optimal SINR-based coverage in Poisson cellular networks with power density constraints,” in Proc. IEEE Vehicular Technology Conference, Las Vegas, USA, Sept. 2013. (Winner of the Best Paper of the Track)
21. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Optimal SNR-based coverage in Poisson cellular networks with power density constraints,” in Proc. Australian Communications Theory Workshop, Adelaide, Australia, Jan. 2013.
22. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Optimal Selective Feedback Policies for Opportunistic Beamforming under Peak Feedback Load Constraints,” in Proc. IEEE International Symposium on Information Theory, Boston, USA, Jul. 2012.
23. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Vector Broadcast Channels: Optimality of Threshold Feedback Policies,” in Proc. IEEE International Symposium on Information Theory, St. Petersburg, Russia, Aug. 2011.
24. T. Samarasinghe, H. Inaltekin, J. S. Evans, “Vector Broadcast Channels: Optimal Threshold Selection Problem,” in Proc. IEEE International Symposium on Information Theory, St. Petersburg, Russia, Aug. 2011.
25. T. Samarasinghe, H. Inaltekin, J. S. Evans, “The Feedback-Capacity Tradeoff for Opportunistic Beamforming,” in Proc. International Conference on Communications, Kyoto, Japan, Jun. 2011.
26. H. Inaltekin, T. Samarasinghe, and J. S. Evans, “Rate Optimal Limited Feedback Policies for the MIMO Downlink,” in Proc. International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, Princeton, USA, May 2011 (selected as one of the five best papers of the conference).
27. A.L.A.T.D. Ambegoda, W.T.S. De Silva, K.T. Hemachandra, T. Samarasinghe, A.T.L.K. Samarasinghe, “Centralized Traffic Controlling System for Sri Lanka Railways,” in Proc. International Conference on Information and Automation for Sustainability, Colombo, Sri Lanka, Dec 2008.