Publications (and Presentations)

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    Published/Accepted

  1. Tuo Li, Roshan Ragel and Sri Parameswaran, "Resil: A Resiliency Hardware/Software Framework for ASIPs", Accepted to be published at SELSE'10, March 2010. Read More »

  2. Rajitha Navarathna, Swarnalatha Radhakrishnan and Roshan Ragel, "Loop Unrolling in Multi-pipeline ASIP Design", in Proceedings of the Fourth IEEE International Conference on Industrial and Information Systems (ICIIS'09) , Peradeniya, Sri Lanka, December 2009. Full paper » Presentation »

  3. A.K.B. Karunathilake, B.M.D. Balasuriya and R. G. Ragel, "User Friendly Line CAPTCHAs", in Proceedings of the Fourth IEEE International Conference on Industrial and Information Systems (ICIIS'09) , Peradeniya, Sri Lanka, December 2009. Full paper » Presentation »

  4. R.G. Ragel and S. Parameswaran, "A Hybrid Hardware Software Technique to improve Reliability in Embedded Processors," ACM Transactions on Embedded Computing Systems, Accepted for publication, March 2009. Read More »

  5. K. Patel, S. Parameswaran and R.G. Ragel, "CUFFS: An Instruction Count based Architectural Framework for Security of MPSoCs", in Proceedings of the Design, Automation and Test in Europe (DATE'09) Conference, Nice, France, IEEE Press, pp. 779-784, April 2009. Full paper »

  6. "Security and Dependability of Embedded Systems: Computer Architects' Perspective" (full day tutorial), S. Parameswaran, J. Henkel, V. Narayanan and R. G. Ragel, 22nd International Conference on VLSI Design, pp 30-32, January 2009, Delhi, India. Abstract »

  7. B.A.N.M. Bambarasinghe, H.M.S. Huruggamuwa, R. G. Ragel and S. Radhakrishnan, "Axis2UNO: Web Services Enabled Openoffice.org", in Proceedings of the 4th International Conference on Information and Automation for Sustainability (ICIAfS2008), Colombo, Sri Lanka, December 2008. Presentation » Full paper »

  8. Roshan G. Ragel and Sri Parameswaran (May, 2008) "Microarchitectural support for Security and Reliability - An Embedded Systems Perspective". Germany: VDM Verlag Dr.Mueller e.K. Buy @ Amazon.com »

  9. I. Herath and R.G. Ragel, "Side Channel Attacks: Measures and Countermeasures", in Proceedings of the 14th Annual Conference of the IET Sri Lanka Network, Sri Lanka, Sri Lanka, October 2007. Full paper »

  10. J.A. Ambrose, R.G. Ragel and S. Parameswaran, "A Smart Random Code Injection Method to mask Power Analysis Based Side Channel Attacks", in Proceedings of the 5th International Conference on Hardware/Software Codesign and Systems Synthesis (CODES+ISSS'07), pp.51 - 56, September 2007, Salzburg, Austria. ACM Press, New York , USA. Full paper »

  11. Roshan G. Ragel, "Architectural Support for Security and Reliability in Embedded Processors", PhD thesis, University of New South Wales, Australia, July 2007. (Thesis Supervisor: Prof. Sri Parameswaran) Whole thesis »

  12. J.A. Ambrose, R.G. Ragel and S.Parameswaran. "RIJID: Random Code Injection to Mask Power Analysis based Side Channel Attacks" in Proceedings of the 44th Design Automation Conference, 2007 (DAC'07), pp 489-492, June 2007, San Francisco, California, USA. ACM Press, New York, USA. Full paper »

  13. R.G. Ragel and S.Parameswaran, "Hardware Assisted Pre-emptive Control Flow Checking for Embedded Processors to improve Reliability" in Proceedings of the 4th International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS'06), pp 100-105, October 2006, Seoul, Korea. ACM Press, New York, USA. Full paper »

  14. R.G. Ragel and S. Parameswaran, "IMPRES: Integrated Monitoring for Processor REliability and Security", in Proceedings of the 43rd Design Automation Conference, 2006 (DAC'06), pp 502-505, July 2006, San Francisco, California, USA. ACM Press, New York, USA. Full paper »

  15. R.G. Ragel, S. Parameswaran and S.M.Kia "Micro Embedded Monitoring for Security in Application Specific Instruction-set Processors", in Proceedings of the 2005 International Conference on Compilers, Architecture and Synthesis for Embedded Systems (CASES'05), September 2005, San Francisco, California, USA. ACM Press, New York. Full paper »

  16. R.G. Ragel and S. Parameswaran, "Soft Error Detection and Recovery in ASIPs", in Proceedings of the Annual Workshop on the System Effects of Logic Soft Errors (SELSE-1), April 2005, Urbana-Champaign, IL, USA. Full paper »

    University Research Session -- December 2009

  17. W.R.A.S.N. Bandara, A.A.M.M.E. Karunarathna, R.M.S.D. Rajapaksha and R. G. Ragel, "An Internet Messenger Syste for Local Area Network", in Proceedings of the Peradeniya University Reearch Sessions (PURSE) 2009, Sri Lanka, Vol. 14, pp 601-604, December 2009. Full paper » Presentation »

  18. H.G.P.S.Kulathilake, R.M.R.S.Rathnayake, R.G. Ragel and S. Radhakrishnan, "SMS Based Vehicle Sharing System", in Proceedings of the Peradeniya University Reearch Sessions (PURSE) 2009, Sri Lanka, Vol. 14, pp 598-600, December 2009. Full paper » Presentation »

  19. D. Seneviratne, I. Sugathsiri, S. Udeshinie, R. G. Ragel and S. Radhakrishnan, "A Proof of Concept Application Framework for Mobile ERP Systems", in Proceedings of the Peradeniya University Reearch Sessions (PURSE) 2009, Sri Lanka, Vol. 14, pp 605-607, December 2009. Full paper » Presentation »

    University Research Session -- December 2008

  20. H.M.R.D.B. Navarathna, S. Radhakrishnan and R.G. Ragel, "Effect of Loop Unrolling in Heterogeneous Multi-pipeline ASIPs", in Proceedings of the Peradeniya University Research Sessions (PURSE) 2008, Sri Lanka, Vol. 13, pp 189-192, December 2008. Full paper » Presentation »

  21. A. Aberatne, E. Bandara, N. Warnasuriya, R.G.Ragel and S. Radhakrishnan, "LANmanager: A Remote and Concurrent Management of Computers in LANs", in Proceedings of the Peradeniya University Research Sessions (PURSE) 2008, Sri Lanka, Vol. 13, pp 161-164, December 2008. Full paper » Presentation »

  22. J.M.N.C. Gunawardana, G.P. Ishara, R.G.Ragel and S. Radhakrishnan, "An Online Course Registration System for the Faculty of Engineering in Peradeniya", in Proceedings of the Peradeniya University Research Sessions (PURSE) 2008, Sri Lanka, Vol. 13, pp 173-176, December 2008. Full paper » Presentation »

  23. K.G.M.S.K. Jayawardana, T.N. Kadurugamuwa, R.G. Ragel and S. Radhakrishnan, "Timesheet: An Attendance Tracking System", in Proceedings of the Peradeniya University Research Sessions (PURSE) 2008, Sri Lanka, Vol. 13, pp 177-180, December 2008. Full paper » Presentation »

    University Research Session -- November 2007

  24. I. Herath and R.G. Ragel, "Implementation of an Electronic Tuner in J2ME using Fast Fourier Transform", in Proceedings of the Peradeniya University Research Sessions (PURSE 2007), Sri Lanka, Vol. 12, pp 227-229, November 2007. Full paper »

  25. S. Radhakrishnan and R.G.Ragel, "Full Instruction Encoding for Heterogeneous Multi Pipeline Application Specific Instruction-set Processors", in Proceedings of the Peradeniya University Research Sessions (PURSE 2007), Sri Lanka, Vol. 12, pp 230-233, November 2007. Full paper »

    IET-YMS Session -- October 2009

  26. M.N.A. Hinas, J. Nivethan, A. Neleththige, R.G. Ragel, "Feasibility Study of Multiseating on Clustered Computers", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Ruhuna, Sri Lanka, October 2009. Full paper »

  27. B.A.N.M. Bambarasinghe, H.M.S. Huruggamuwa, R.G. Ragel and S. Radhakrishnan, "AutoMark: An Automatic Assignment Marking Plug-in for Moodle", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Ruhuna, Sri Lanka, October 2009. Full paper »

  28. M.I. Fernando, B. Kajakaran, and V.P. Kumara, R.G. Ragel and S. Radhakrishnan, "Bluetooth Remote Controller for PC", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Ruhuna, Sri Lanka, October 2009. Full paper »

  29. R.N.B. Herath, T.M.S. Buddika, R.G.Ragel and C.A. Munasinghe, "Performance Analysis of AES vs. TDEA", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Ruhuna, Sri Lanka, October 2009. Full paper »

    IET-YMS Session -- August 2008

  30. V. Sivalingam, V. Vijayasingam, S. Radhakrishnan and R.G. Ragel, "An Automatic Scheduler for Heterogeneous Multi-pipeline ASIPs", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Moratuwa, Sri Lanka, August 2008. Full paper »

    IET-YMS Session -- September 2007

  31. Isuru Herath, Roshan Deniyage, Roshan G. Ragel and Manjula Sandirigama, "Document Streaming to Mobile Devices", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Peradeniya, Sri Lanka, September 2007. Full paper »

  32. Isuru Herath and Roshan G. Ragel, "Side Channel Attacks: A Reality", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Peradeniya, Sri Lanka, September 2007. Full paper »

  33. Indika Kahanda, Upulee Kanewala, K.S. Walgama and R.G. Ragel, "PlayGen: A Hybrid Playlist Generator", in Proceedings of the Annual Technical Conference of the IET-YMS Sri Lanka, Peradeniya, Sri Lanka, September 2007. Full paper »

    Manuscripts/Submitted/Drafts

  34. Jude A. Ambrose, Roshan G. Ragel and Sri Parameswaran, "Code Injection to Counter Power Analysis Attack", under review - submitted to ACM Transcactions on Embedded Computing Systems, December 2009. Read More »

  35. Jude A. Ambrose, Roshan G. Ragel, Sri Parameswaran and Aleksandar Ignjatovic, "Multiprocessor Information Concealment Architecture to prevent Power Analysis based Side Channel Attacks", under review - Submitted to IET Transactions on Computers & Digital Techniques, October 2009. Read More »

  36. K. Patel, S. Parameswaran and R.G. Ragel, "Architectural Frameworks for Security and Reliability of MPSoCs", under review - Submitted to IEEE Transactions on Very Large Scale Integration (VLSI) Systems, August 2009. Read More »

  37. Roshan G. Ragel, Jude A. Ambrose and Sri Parameswaran, "Security Attacks in Embedded Systems: A Tale of Hostilities" - draft. Read More »

  38. Jude A. Ambrose, Roshan G. Ragel and Sri Parameswaran, "SecureD: A Secure Dual Core Embedded Systems" - draft Read More »

  39. R. G. Ragel, J.A. Ambrose, J. Peddersen and S. Parameswaram, "RACE: A Rapid, ArChitectural Simulation and Synthesis Framework for Embedded Processors", draft Read More »

  40. R. G. Ragel and S. Parameswaran, "Encrypted Checksums for Secure and Reliable Application Specific Instruction-set Processors", Draft Read More »