Prof. D.N. Uduwawala

Department of Electrical & Electronic Engineering
University of Peradeniya, Sri Lanka.
disala AT ee.pdn.ac.lk
+94-81-2393422
Personal Website

Journal Papers

Disala Uduwawala, Martin Norgren, Peter Fuks, Aruna W. Gunawardena, “A Deep Parametric Study of Resistor-Loaded Bow-Tie Antennas for Ground Penetrating Radar Applications Using FDTD,” IEEE Trans. Geosci. Remote Sensing, Vol. 42, No. 4, pp. 732-742, April 2004.

D. Uduwawala, M. Norgren, P. Fuks, A. Gunawardena, “A complete FDTD simulation of a real GPR antenna system operating above lossy and dispersive grounds,” Progress in Electromagnetic Research, PIER 50, pp. 209-229, 2005.

D. Uduwawala, “Modeling and Investigation of Planar Parabolic Dipoles for GPR Applications: A Comparison with Bow-Tie Using FDTD,” Journal of Electromagnetic Waves and Applications, JEMWA, Vol. 20, No 2, pp. 227-236, 2006.

D. Uduwawala and M. Norgren, "An Investigation of Some Geometrical Shapes and Selection of Shielding and Lumped Resistors of Planar Dipole Antennas for GPR Applications Using FDTD," IEEE Trans. Geosci. Remote Sensing, Vol. 44, No. 12, pp. 3555-3562, Dec. 2006.

D. Uduwawala and P. Fuks, "Ground Penetrating Radar Measurements Using a Pair of Resistor-Loaded Bow-Tie Antennas," Technical report: TRITA-EE 2006:032, Royal Institute of Technology, 2006.

J. M. J. W. Jayasinghe, D.N. Uduwawala and J. Anguera, "Design of Dual Band Patch antennas for Cellular Communications by Genetic Algorithm Optimization", International journal of Engineering and Technology, 1(1) (2012), pp 26-43, 2012.

J. M. J. W. Jayasinghe and D.N. Uduwawala, “Novel Quad-band Patch Antenna Design for Wireless Communications in 2.4, 5.2, 5.6 and 5.8 GHz Bands using Genetic Algorithm Optimization,” International journal of Engineering and Technology, 1(4) (2012), pp. 466-471, 2012.

J. W. Jayasinghe, J. Anguera and Disala N. Uduwawala, “A Simple Design Of Multi Band Microstrip Patch Antennas Robust To Fabrication Tolerances for GSM, UMTS, LTE, and Bluetooth Applications by using Genetic Algorithm Optimization,” Progress in Electromagnetic Research M, PIER M, Vol. 27, pp. 255-269, 2012.

Jeevani W. Jayasinghe, Jaume Anguera and Disala N. Uduwawala “A High-Directivity Microstrip Patch Antenna Design by Using Genetic Algorithm Optimization,” Progress in Electromagnetic Research C, PIER C, Vol. 37, pp. 131-144, 2013.

J. M. J. W. Jayasinghe and D.N. Uduwawala, "Optimization of the Performance of Patch Antennas using Genetic Algorithms", J.Natn.Sci. Foundation Sri Lanka 2013 41(2):115-122.

Jeevani Jayasinghe, Jaume Anguera, and Disala Uduwawala “Genetic Algorithm Optimization of a High-Directivity Microstrip Patch Antenna having a Rectangular Profile,” Radioengineering, Vol. 22, No. 3, pp 700-707, September 2013.

Jeevani Jayasinghe, D.N. Uduwawala, and Jaume Anguera, “Design of a Genetic Microstrip Patch Antenna with Broadside Radiation for GSM Applications,” International journal of Scientific world, Vol. 2, No. 2, pp 84-87, 2014.

J. M. Jeevani W. Jayasinghe, Jaume Anguera, D.N. Uduwawala and Aurora Andújar, “Nonuniform Overlapping Method in Designing Microstrip Patch Antennas Using Genetic Algorithm Optimization,” International Journal of Antennas and Propagation, Volume 2015, Article ID 805820, 8 pages.

Jeevani Jayasinghe, Jaume Anguera, and Disala Uduwawala, “On the Behavior of Several Fitness Functions for Genetically Optimized Microstrip Antennas,” International Journal of Scientific World, Vol. 3, No. 1, pp 53-58, 2015.

J. W. Jayasinghe, D.N. Uduwawala and J. Anguera, “Increasing the directivity of a microstrip patch array by genetic optimization,” J.Natn.Sci.Foundation Sri Lanka 2015 43 (1):83-89.

J. M. J. W. Jayasinghe, J. Anguera, D.N. Uduwawala and A. Andújar, “ High-Directivity Genetic Microstrip Patch Antenna,” International Journal of Electronics Letters, DOI: 10.1080/21681724.2015.1034189, April 2015.

J. M. Jeevani W. Jayasinghe and Disala Uduwawala, “A Novel Multiband Miniature Planar Inverted F Antenna Design for Bluetooth and WLAN Applications,” International Journal of Antennas and Propagation, Volume 2015, Article ID 970152, 6 pages.

Jeevani W. Jayasinghe, Jaume Anguera, Disala N. Uduwawala and Aurora Andújar, “Multipurpose Genetically Engineered Microstrip Patch Antennas: Bandwidth, Gain, and Polarization,” Microwave and Optical Technology Letters, Vol. 59, No. 4, pp 941-949 April 2017.

Conference papers

D. N. Uduwawala, Peter Fuks, and M. Norgren, and A.U.A.W. Gunawardena, “FDTD Simulation of a Resistively Loaded Bow-Tie Antenna for Detection of Buried Metal Objects,” Proceedings of the Annual Research Sessions, University of Peradeniya, pp 92, October, 2002.

Disala Uduwawala, Martin Norgren, Peter Fuks, Aruna Gunawardena, “ An FDTD Simulation of a GPR Detecting Buried Pipes in Lossy and Dispersive Grounds,” Proc. 13th Internation Symposium on Antennas (JINA), Nice, France, pp 352-353, Nov. 2004.

Disala Uduwawala, “A Study of Some Shapes of Resistor-loaded Planar Dipoles for GPR Applications Using FDTD,” Proc. 11th International conference on Ground Penetrating Radar, Columbus, Ohio, USA, Jun. 2006.

Disala Uduwawala, “Gaussian Vs Differentiated Gaussian as the Input Pulse for Ground Penetrating Radar Applications”, Proc. 2nd International conference on industrial and information systems (ICIIS), Peradeniya, Sri Lanka, Aug. 2007.

D. Uduwawala, “Design and Fabrication of an RF Energy Meter Part 3: Antenna for Power Density Measurements”, Proc. Peradeniya University Research Sessions (PURSE), Peradeniya Sri lanka, pp 519-521, Dec. 2009

C. S. R. Fernando and D. Uduwawala, “A Parametric Study of Equiangular Spiral Antenna (Arm type)”, Proc. 4th IEEE International conference on industrial and information systems (ICIIS), Peradeniya, Sri Lanka, Dec. 2009.

J. M. J. W. Jayasinghe and D. Uduwawala, "Design of Broadband Patch antennas using Genetic Algorithm Optimization", Proc. 5th IEEE International conference on industrial and information systems (ICIIS), Mangalore, India, Aug. 2010.

J. M. J. W. Jayasinghe and D. Uduwawala, "Design of a dual band antenna for Bluetooth and HIPERLAN2 applications using genetic algorithm optimization", Proc. 2011 6th IEEE International conference on industrial and information systems (ICIIS), Peradeniya Sri lanka, pp 283-287, Aug. 2011

J. M. J. W. Jayasinghe and D. Uduwawala, “Genetic Algorithm Optimization of Designing Patch antennas”, Proc. 3rd Symposium on applied Science, Buisiness & Industrial Research, ASBIRES 2011, Wayamba University of Sri Lanka, pp 142,145, April 2011.

J. M. J. W. Jayasinghe and D. Uduwawala, “A broadband triple-frequency patch antenna for WLAN applications using genetic algorithm optimization”, Proc. 2012 7th IEEE International conference on industrial and information systems (ICIIS), Madras, India, Aug. 2012.

H. M. P. B. Ranasinghe, S. M. P. Senanayake, U. I. P. Senaratne, A. U. A. W. Gunawardena, and Disala Uduwawala, “Design of a Low Cost Cavity Backed Wideband Bow-tie Antenna for Ground Penetrating Radar Systems,” Proc. 2013 IEEE 8th International Conference on Industrial and Information Systems (ICIIS), Peradeniya Sri lanka, pp 370-375, Dec. 2013.

Jeevani W. Jayasinghe and Disala Uduwawala, “A Novel Miniature Multi-Frequency Broadband Patch Antenna for WLAN Applications,” Proc. 2013 IEEE 8th International Conference on Industrial and Information Systems (ICIIS), Peradeniya Sri lanka, pp 361-363, Dec. 2013.

D. K. Wijewardena, J. N. N. Shereen K. M. D. E. Karunarathna, M. A. R. M. Fernando, J. R. S. S. Kumara and Uduwawala D.N., “PD Signature Identification using RF Antenna for Condition Monitoring in Power Transformers,” Proc. Peradeniya University International Research Sessions (iPURSE), Peradeniya Sri Lanka, pp 105, Nov. 2015.

B. M. S. Basnayake, L. W. Dilrukshi, K. M. M. H. Samarakoon, M. A. R. M. Fernando, J. R. S. S. Kumara and D.N. Uduwawala, “RF Antenna for Discharge Detection of Salt-Polluted HV Insulators,”Proc. Peradeniya University International Research Sessions (iPURSE), Peradeniya Sri Lanka, pp 114, Nov. 2015.

T. D. M. P. T. Bandara, G. K. W. K. N. B. Basnayaka, M. L. Silva, M. A. R. M. Fernando, J. R. S. S. Kumara and D.N. Uduwawala, “Voltage and Current Sensors for 33 kV EM Field Based Fault Indicators,” Proc. Peradeniya University International Research Sessions (iPURSE), Peradeniya Sri Lanka, pp 117, Nov. 2015.

K. T. D. Priyankara and D.N. Uduwawala, “Low Cost Antenna Ranging System,” Proc. Peradeniya University International Research Sessions (iPURSE), Peradeniya Sri Lanka, pp 126, Nov. 2015.

Jeevani Jayasinghe, Disala Uduwawala and Jaume Anguera, “Design of a Linearly-polarized High-Directivity Microstrip Patch Antenna,” Accepted, 2015 IEEE 10th International Conference on Industrial and Information Systems (ICIIS), Peradeniya Sri lanka, Dec. 2015.