Welcome to Thushara Kanchana Gunaratne's Webpage


 

 

 

 

 


Publications

Journal Papers

  • Arjuna Madanayake, Thushara K. Gunaratne and Leonard T. Bruton, “Reducing the Multiplier-Complexity of Massively Parallel Polyphase 2D IIR Broadband Beam Filters”, in Circuits, Systems, and Signal Processing, 2011. (Pdf.)

  • Thushara K. Gunaratne, Len Bruton and Pan Agathoklis, “Broadband Beamforming of Focal Plane Array (FPA) Signals using Real-Time Spatio-Temporal 3D FIR Frustum Digital Filters”, in IEEE Transactions on Antennas and Propagation, Vol. 59, Issue 6 (Special Issue on Radio Astronomy), pp.2029-2040, June 2011. (Pdf.)

  • T. K. Gunaratne and L. T. Bruton, "Adaptive Complex-Coefficient 2D FIR Trapezoidal Filters for Broadband Beamforming in Cognitive Radio System", in Circuits, Systems, and Signal Processing, Vol. 30, num. 3, pp. 587-608, June 2011. (Pdf.)

  • T. K. Gunaratne and L. T. Bruton, "Broadband beamforming of dense aperture array (DAA) and focal plane array (FPA) signals using 3D spatio-temporal filters for applications in aperture synthesis radio astronomy", in  Multidimensional Systems and Signal Processing, 2010. (Pdf.)

  • H.L.P.A. Madanayake, T. K. Gunaratne, and L. T. Bruton, "Massively-parallel systolic-array architectures for 2D IIR polyphase space-time plane-wave beam digital filters", in International Journal of Circuit Theory and Applications, 2010. (Pdf.)

  • T. K. Gunaratne and L. T. Bruton, "Beamforming of broadband-bandpass plane waves using polyphase 2D FIR trapezoidal filters", in IEEE Transactions on Circuits and Systems -I, Regular Papers, vol. 55, no. 3, April 2008, pp. 838 - 850. (Pdf.

Conference Papers

  • Thushara K. Gunaratne and Len T. Bruton, "A Polyphase Architecture For Broadband Bandpass Beamforming For Arrays of Arbitrarily Placed Sensors", in proceedings of IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM) 2009, Victoria, BC, from Aug. 23-26, pp. 41-46. (Pdf.)

  • H. L. P. A. Madanayake, T. K. Gunaratne, and L. T. Bruton, “High-Frequency Systolic Broadband Beamforming Using Polyphase 3D IIR Frequency-Planar Digital Filters with Interleaved A/D Sampling", in Proceedings of IEEE International Symposium of Circuit and Systems (ISCAS) 2009, Taipei, Taiwan, from 24 to 27 May 2009, pp. 329 - 332. (Pdf.)

  • T. K. Gunaratne, H. L. P. A. Madanayake, and L. T. Bruton, “An FPGA Architecture for Real-Time Polyphase 2D FIR Double-Trapezoidal Plane-Wave Filters", in proceedings of IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) 2008, Macao, China, 30th Nov - 03rd Dec 2008, pp. 984-987.(Pdf.)

  • T. K. Gunaratne and L. T. Bruton, "Beamforming of temporally-broadband-bandpass plane waves using real polyphase 2-D FIR trapezoidal filters", in Proceedings of IEEE International Symposium of Circuit and Systems (ISCAS) 2007, New Orleans, USA, May 2007, pp. 589-592. This paper was selected as one of the Top 10 student papers of this conference. (Pdf.)

  • T. K. Gunaratne and L. T. Bruton, "Broadband beamforming of bandpass plane waves using 2D FIR trapezoidal filters at baseband", in Proceedings of IEEE Asia Pacific Conference in Circuits and Systems (APCCAS) 2006, Singapore, December 2006, pp. 546-549. (Pdf.)

  • T. Gunaratne and L. T. Bruton, “Tracking broadband plane waves using adaptive 2D FIR fan filters”, in Proceedings of IEEE International Symposium of Circuit and Systems (ISCAS) 2006, Island of Kos, Greece, May 2006, pp. 4923-4926. (Pdf.)

  •  T. K. Gunaratne, D. S. Siriwardena, P. M. W. T. Asela and A. A. Pasqual, "A Low Cost Automated Toll Collector for Expressways" - Presented at the Annual Paper Session organized by the Institution of Electrical Engineers - Sri Lanka Branch (IEE SL) on November 26th 2004 and the paper was accepted for the publication in IEE SL Transactions 2004.

  • T. Gunaratne, "Meeting the Challenges of the Information Age: Development Opportunities and the Role of Youth" - Published in Youth Forum ICT Book for the ITU Telecom Asia 2002, held in Hong Kong - Peoples Republic of China from 2nd to 7th December 2002. This essay won the fellowship for the above forum from Sri Lanka.

PhD. Thesis

  • T. K. Gunaratne, "Beamforming of Broadband Bandpass Signals using Multidimensional FIR Filters", PhD. Thesis, University of Calgary, September 2011. (Pdf.)

MSc. Thesis

  • T. K. Gunaratne,  “Beamforming of Temporally Broadband Bandpass Plane Waves Using 2D FIR Trapezoidal Filters”, M.Sc. Thesis, University of Calgary, December 2006. (Pdf.)

Public Presentations

  • T. K. Gunaratne and L. T. Bruton, “The University of Calgary - Focal Plane Field Calculator (UC-FPFC) and Its Applications”, University of Calgary, AB, CANADA, Oral presentation at Dominion Radio Astrophysical Observatory (DRAO) - Penticton, BC, CANADA, June 2009. (Pdf.)

 

Awards, Honours & Grants

  • Graduate Student Productivity Award (2011), Department of Electrical & Computer Engineering, University of Calgary.

  • University Research Services Travel Grant (2008), University of Calgary.

  • Honor Mentioned Student Paper - IEEE ISCAS 2007.

  • MICRONET Scholarship (2007-2008), MICRONET R&D, Canada.

  • Graduate Faculty Council Scholarship (2007), University of Calgary (Declined).

  • Schulich Student Activity Fund - Travel Grant (2007), University of Calgary.

  • Graduate Faculty Council Scholarship (2006), University of Calgary.

  • Schulich Student Activity Fund - Travel Grant (2006), University of Calgary.

  • Ceylon Electricity Board Award (1998-2003), Prof: K. K. Y. W. Perera Award (2001-2002), Sri Lanka Telecom Scholarship Awards (2000-2001 & 2001-2002). Department of Electronics & Telecomm Engineering, University of Moratuwa, Sri Lanka.

  • UNESCO Team Gold Medal (1998-2003), Prof: C. Patuwathawithane Memorial Award (2001-2002), Wimalasurendra Award (2000-2001), O. P. Kulshestra Award (1998-2003), Faculty of Engineering, University of Moratuwa, Sri Lanka.

 


Contact Details

Thushara Kanchana Gunaratne
Department of Electrical & Computer Engineering
2500, University Drive N.W.
Calgary, AB
T2N 1N4
CANADA.
Tel: 1 403 210 5432
E-mail: tkgunara@ucalgary.ca

(Last updated: 10-04-2012)

I'm Thushara Kanchana Gunaratne, a Postdoctoral Fellow in the Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Canada. I'm a member of the Multidimensional Signal Processing Group (MDSP). My supervisor is Dr. Len T. Bruton, the principal investigator of the MDSP Group, Professor Emeritus in the Department of Electrical and Computer Engineering, University of Calgary and Adjunct Professor of the Department of Electrical and Computer Engineering, University of Victoria.

My current research interest are array processing algorithms for beamforming and imaging, non-uniformly sampled signal processing, multidimensional FIR filter design and implementation.