Research Work and Publications

Books

1. A. Y. Ding, M. Liyanage, C. de Alwis, Mobile Edge Computing and Communications: Driving Forces, Technology Foundation, and Application Areas, Wiley-IEEE Press, 2024.

2. C. de Alwis, Q. V. Pham, M. Liyanage, 6G Frontiers: Towards Future Wireless Systems, Wiley, 2022.

Book Chapters

1. C. De Alwis, "Federated Learning enabled 5G and Beyond for Industry 5.0", Federated Learning for Multimedia Data Processing and Security in Industry 5.0, IET, 2023.

2. C. Yapa, C. De Alwis, M. Liyanage, "Smart Grid Security", in Security and Privacy Vision in 6G: A Comprehensive Guide, Wiley, 2023.

3. M. Ahmad, C. De Alwis, M. Shukla, P. Sant, "Privacy Preserving Patient-Centric Electronic Health Records Exchange using Blockchain", in Artificial intelligence, Big data, blockchain and 5G for digital transformation of the healthcare industry: A movement towards more resilient and inclusive societies, Elsevier, 2023.

4. Adarsh Singh, Ananya Smirti, Raghav Gupta, Chamitha de Alwis, Anshuman Kalla, "Introduction to Blockchain and Smart Contract - Principles, Applications and Security," in Blockchain Technology in Healthcare Applications, CRC press and Taylor and Francis Group, USA, 2022.

Journal Papers

1. C. Yapa, C. de Alwis, U. Wijewardhana, M. Liyanage, J. Ekanayake, “Utilization of a blockchainized reputation management service for performance enhancement of Smart Grid 2.0 applications”, Elsevier Journal of Industrial Information Integration, 2024.

2. K. Munasinghe, N. Dharmaweera, C. de Alwis, U. Wijewardhana, R. Parthiban, “Impairment-aware resource allocation scheme for elastic optical networks with different service priorities”, IET Communications, 2024.

3. C. de Alwis, P Porambage, K Dev, TR Gadekallu, M Liyanage, "A Survey on Network Slicing Security: Attacks, Challenges, Solutions and Research Directions", IEEE Communications Surveys and Tutorials, 2023.

4. U. B. Balagalla, J.V.D. Jayasooriya, C. De Alwis, and A. Subasinghe, "Automated Segmentation of Standard Scanning Planes to Measure Biometric Parameters in Fetal Ultrasound Images – A Survey", Computer Methods in Biomechanics and Biomedical Engineering Imaging & Visualization, 2023.

5. Saqib Hakak, Thippa Reddy Gadekallu, Praveen Kumar Reddy Maddikunta, Swarna Priya Ramu, Parimala M, Chamitha De Alwis, and Madhusanka Liyanage, "Autonomous Vehicles in 5G and Beyond: A Survey", Elsevier Vehicular Communications, 2022.

6. Kasun Thushara, Fazlun Rifaza Noordeen, Kaveesha N. Ranasinghe, Chamitha De Alwis, Madushanka N. Dharmaweera, and Bhathiya M. Pilanawithana, "A Novel Machine Learning based Autonomous Farming Robot for Small-Scale Chili Plantations", Advances in Technology, 2022.

7. Chamitha de Alwis, Pardeep Kumar, Quoc-Viet Pham, Kapal Dev,Anshuman Kalla, Madhusanka Liyanage, and Won-Joo Hwang, "Towards 6G: Key Technological Directions", ICT Express, 2022.

8. Anshuman Kalla, Chamitha De Alwis, Pawani Porambage, Gürkan Gür, Madhusanka Liyanage, "A Survey on the Use of Blockchain for Future 6G: Technical Aspects, Use Cases, Challenges and Research Directions", Elsevier Journal of Industrial Information Integration, 2022.

9. Amila Saputhanthri, Chamitha De Alwis, Madhusanka Liyanage, "Survey on Blockchain-based IoT Payment and Marketplaces", IEEE Access, 2022.

10. A Kalla, C de Alwis, SP Gochhayat, G Gur, M Liyanage, P Porambage, "Emerging Directions for Blockchainized 6G", IEEE Consumer Electronics Magazine, 2022.

11. P. Ranaweera, C. de Alwis, A.D. Jurcut, M. Liyanage, "Realizing Contact-less Applications with Multi-Access Edge Computing", ICT Express, 2022.

12. C Yapa, C de Alwis, M Liyanage, J Ekanayake, "Survey on Blockchain for Future Smart Grids: Technical Aspects, Applications, Integration Challenges and Future Research", Elsevier Energy Reports, 2021.

13. C. Yapa, C. de Alwis, M. Liyanage, "Can Blockchain Strengthen the Energy Internet?," MDPI Network, vol. 1, pp.95-115, 2021.

14. C.  De  Alwis,  A.  Kalla,  Q.V.  Pham,  P.  Kumar,  K.  Dev,  W.J.  Hwang, and M. Liyanage, "Survey on 6G frontiers: Trends, applications, requirements,  technologies  and  future  research," IEEE Open Journal of the Communications Society, 2021.

15. K. K. Munasinghe, M. N. Dharmaweera, U. L. Wijewardhana, C. De Alwis,  and  R.  Parthiban,  "Joint  minimization  of  spectrum  and  power  in impairment-aware  elastic  optical  networks," IEEE Access,  vol.  9,  pp.43 349–43 363, 2021.

16. Y. Siriwardhana, C. De Alwis, G. Gur, M. Ylianttila, and M. Liyanage, "The  fight  against  Covid-19  pandemic  with  5G  technologies, " IEEE Engineering Management Review, 2020.

17. M.  Alreshoodi,  E.  Danish,  J.  Woods,  A.  Fernando,  and  C.  De  Alwis, "Prediction of perceptual quality for mobile video using fuzzy inference systems, " IEEE  Transactions  on  Consumer  Electronics,  vol.  61,  no.  4,pp. 546–554, 2015.

18. E.  Danish,  V.  De  Silva,  A.  Fernando,  C.  De  Alwis,  and  A.  Kondoz,  "Content-aware  resource  allocation  in  OFDM  systems  for  energy-efficient video transmission, " IEEE Transactions on Consumer Electron-ics, vol. 60, no. 3, pp. 320–328, 2014.

Conference Papers

1. Charithri Yapa, Chamitha de Alwis, Uditha Wijewardhana, Madhusanka Liyanage, “A Dedicated Consensus Algorithm for Improving Performance of Futuristic Energy Blockchain”, in Proc. of 2024 IEEE International Conference on Consumer Electronics (ICCE), Las Vegas, USA, January 2024.

2. Charithri Yapa, Chamitha De Alwis, Uditha Wijewardhana and Madhusanka Liyanage, “Utilization of a Blockchain-based Reputation Management System for Energy Trading in Smart Grid 2.0”, in Proc. of 2023 IEEE Latin-American Conference on Communications, Panama City, Panama, November 2023.

3. Yehan Ukwaththage, Mohamed Yaseer, Chamitha De Alwis and Madhusanka Liyanage, "A Novel Method for Network Quality based Navigation for Seamless Mobile Services" in Proc. of 2022 International Conference on Advanced Technologies for Communications (ATC), Hanoi Capital, Vietnam, October 2022.

4. Charithri Yapa, Chamitha de Alwis, Madhusanka Liyanage, "Blockchain-enabled Smart Grid 2.0" in Proc. of 2022 Joint European Conference on Networks and Communications (EuCNC) & 6G Summit, Grenoble, France, June 2022.

5. Shalitha Wijethilaka, Pawani Porambage,  Chamitha de Alwis, Madhusanka Liyanage, "A Comprehensive Analysis on Network Slicing for Smart Hospital Applications" in Proc. of IEEE Consumer Communications and Networking Conference 2022 (IEEE CCNC 2022), Las Vegas,  USA, January 2022.

6. Thisuri Umagiliya, Shalitha Wijethilaka, Pawani Porambage,  Chamitha de Alwis, Madhusanka Liyanage, "Network Slicing Strategies for Smart Industry Applications" in Proc. of 2021 IEEE Conference on Standards for Communications and Networking  (IEEE CSCN 2021), Virtual, December 2021.

7. Saputhanthri, C. De Alwis, and M. Liyanage, "Emergence of blockchain based iot marketplaces," in Joint European Conference on Networks and Communications (EuCNC) & 6G Summit, 2021.

8. D. P. Jayasuriya, A. Ahamed, S. Udari, C. de Alwis, "Monitoring and Learning of Plant Growth and Health for Effective Supply of Water, Nutrients and Pesticides in Large Scale Plantations", in 27th Annual Technical Conference of IET Sri Lanka Network, 2020, pp. 56–61.

9. K. Munasinghe,  M. N. Dharmaweera,  C. de Alwis, and U. Wijeward-hana, "Novel impairment-aware resource allocation scheme for elastic optical networks serving traffic with different service priorities," in 2019 14th Conference on Industrial and Information Systems (ICIIS). IEEE, 2019, pp. 308–313.

10. U. B. Balagalla, S. Sivanatham, K. Munasinghe, A. Subasinghe, C. de Alwis, U. Wijewardhana, and M. N. Dharmaweera, "Efficient medical video streaming by pre-processing and network traffic prioritization in real-time,"  in 2019 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2019, pp. 123–128.

11. M. Munasinghe, M. Dharmaweera, C. de Alwis, and U. Wijewardhana,"Novel  service-priority-aware  resource  allocation  scheme  for  elasticoptical networks," in 26th Annual Technical Conference of IET Sri Lanka Network, 2019, pp. 104–108.

12. B. Balagalla, S. Subasinghe, and C. De Alwis, "A review on ultrasound image pre-processing, segmentation and compression for enhanced im-age storage and transmission," in 2018 KDU International Research Conference (KDU IRC), 2018.

13. M.  Alreshoodi,  E.  Danish,  J.  Woods,  A.  Fernando,  and  C.  De  Alwis, "Prediction  of  perceptual  quality  for  mobile  3D  video  using  fuzzy  inference systems," in 2015 IEEE International Conference on ConsumerElectronics (ICCE), 2015, pp. 130–131.

14. C. de Alwis, H. K. Arachchi, A. Fernando, and M. Pourazad, "Content and  network-aware  multicast  over  wireless  networks,"  in10th  International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness. IEEE, 2014, pp. 122–128.

15. C. de Alwis, H. K. Arachchi, A. Fernando, V. De Silva, E. Danish, and A. Kondoz, "On the multicast of delay sensitive data in erasure networks using practical network coding," in 2014 IEEE International Conference on Consumer Electronics (ICCE).    IEEE, 2014, pp. 470–471.

16. E.  Danish,  V.  De  Silva,  A.  Fernando,  C.  De  Alwis,  and  A.  Kondoz,"Content aware resource allocation in OFDM systems for energy efficient video  transmission,"  in 2014  IEEE  International  Conference  on  Consumer Electronics (ICCE), 2014, pp. 456–457.

17. Politis, V. De Silva, S. Dogan, C. De Alwis, T. Dagiuklas, and A. M.Kondoz,  "Objective  measurement  of  transmission  losses  and  compres-sion  artefacts  in  stereoscopic  3d  video,"  in 2013  IEEE  International Conference  on  Communications  Workshops  (ICC). IEEE,  2013,  pp.667–671.

18. C. de Alwis, V. De Silva, H. K. Arachchi, A. Fernando, and A. Kondoz, "Network  coding  for  error  resilient  transmission  of  stereoscopic  3d video," in 2013  IEEE  International  Conference  on  Communications Workshops (ICC).    IEEE, 2013, pp. 607–611.

19. C.  de  Alwis,  H.  K.  Arachchi,  A.  Fernando,  and  A.  Kondoz,  "Towards minimising  the  coefficient  vector  overhead  in  random  linear  network coding,"  in 2013  IEEE  International  Conference  on  Acoustics,  Speech and Signal Processing.    IEEE, 2013, pp. 5127–5131.

20. C. de Alwis, H. K. Arachchi, V. De Silva, A. Fernando, and A. Kondoz, "Robust  video  communication  using  random  linear  network  coding with  pre-coding  and  interleaving,"  in 2012  19th  IEEE  International Conference on Image Processing.    IEEE, 2012, pp. 2269–2272.

21. C. Rupasinghe, D. Gamage, C. De Alwis, M. Mufthas, and R. Dabarera, "Using  adaptive  fuzzy  systems  for  controlling  dengue  epidemic  in  Sri Lanka,"  in 2010  Fifth  International  Conference  on  Information  and Automation for Sustainability. IEEE, 2010, pp. 459–462.

Tutorials

1. Blockchain for Smart Grid 2.0: Use Cases, Opportunities and Challenges in IEEE International Smart Cities Conference, 2021.

Newspaper Articles

1. Blockchain - The Next BIG Thing in The Morning, Sri Lanka, 2021.

2. Fifth Generation 5G at Your Fingertips Soon in Dailymirror, Sri Lanka, 2019.

Guest Lectures / Invited Talks / Presentations

1. Keynote at the Orientation of Cryptography Fundamentals: Securing the Digital World, conducted by Skill Surf, Department of Electrical and Electronic Engineering, University of Moratuwa, Sri Lanka, 2023.

2. Seminar on "6G Security" to Masters students in University of Moratuwa, Sri Lanka, 2023.

3. "Towards 6G and 6G Security" in the Workshop Event on 5G, collaboratively organized by Cardiff University / Prifysgol Caerdydd, United Kingdom and Thapar Institute of Engineering & Technology, India, 2023.

4. 6G & Future Wireless Technologies at Huawei Sri Lanka, Colombo, Sri Lanka, 2022.

5. What is 5G and How it will Change our Lives at 2nd International Scientific and Vocational Studies Congress, Nevsehir, Turkey, 2018.

6. Expanding Cloud based Services among SMEs in Sri Lanka at ITU-TRCSL Symposium on Cloud Computing, Colombo, Sri Lanka, 2015.

7. Mobile Cloud Computing at ITU-TRCSL Symposium on Cloud Computing, Colombo, Sri Lanka, 2015.

Thesis

1. Ph.D. Thesis on Optimizing Network Coding Algorithms for Multicast Applications.

Competitive Research Grants

1. Science & Technology Human Resource Development Project by Ministry of Education, Sri Lanka and the Asian Development Bank

Develop an IoT Based Solutions for Smart Water Meters

Grant Number: R1/SJ/01 

Amount: ~25,000 USD

2. University of Sri Jayewardenepura Research Grants - 2022

Optimization of Blockchains for Internet of Energy Applications

Grant Number: ASP/01/RE/ENG/2022/85

Amount: ~1,000 USD

3. University Grants Commission, Sri Lanka funded Research Project

Develop a COVID-19 Self-Quarantine Monitoring and Tracking Platform

Grant Number: UGC/SAABF/F7/INNOV2020

Amount: ~1,000 USD

Research Projects

1. Develop an IoT Based Solutions for Smart Water Meters - Principal Investigator (2022)

Collaborative project with SLTMobitel, Sri Lanka

This project developed smart water meters in Sri Lanka to streamline water meter reading, water bill preparation, water usage analysis, water quality analysis, and water leak detection

2. Optimization of Blockchains for Internet of Energy Applications - Principal Investigator (2022)

This project developed blockchain technologies and consensus algorithms to facilitate Internet of Energy applications, such as prosumer rating, prosumer selection, pricing, making payments, and fraud detection

3. Develop a COVID-19 Self-Quarantine Monitoring and Tracking Platform - Principal Investigator (2020-2022)

This project developed a COVID-19 Self-Quarantine Monitoring App to facilitate the Self-Quarantine process

The app provide facilities to directly contact health authorities and report the health condition

4. Develop a Smart Energy Meter - Collaborative Project with OREL Corporation, Sri Lanka - Investigator (2022)

This project aims to develop Smart Energy Meters at an affordable cost for Sri Lanka

5. Design, Analysis, and Optimization of Next Generation Fibre Optic National Backbone Networks - Investigator (2017-2022)

This project developed algorithms to enable throughput optimization of elastic optical networks in a nonlinear environment

6. ACTION-TV - EU Seventh Framework Program - Postgraduate Researcher (2013-2014)

This project developed technologies, which allow the viewer an immersive interactive experience while watching, or interacting with a pre-produced television program

7. MUSCADE - EU Seventh Framework Program (Project ID: 247010) - Postgraduate Researcher (2010-2013)

This project developed Networked Media and 3D Internet technologies

Postgraduate Research Students

PhD Research Supervision

1. Charithri Nanayakkara (University of Sri Jayewardenepura, Sri Lanka)

2. Mohammad Nezar Ahmad (University of Bedfordshire, United Kingdom)

3. Ahmad Kanbour (University of Bedfordshire, United Kingdom)

MPhil Research Supervision

1. Umaya Balagalla (University of Sri Jayewardenepura, Sri Lanka)

Other Contributions

1. Expert Panellist in The University of Law, United Kingdom, "Career Series: Convert To Computer Science", 2023

2. Guest Editor for the Special Issue in Autonomous Networks: Opportunities, Challenges, and Applications of IEEE Communications Standards Magazine, 2023