Overview
Background
Chamith completed his PhD in Electrical and Computer Engineering at the University of Akron, Ohio, USA in 2014 and BSc (Hons) degree in Electronic and Telecommunications Engineering with first class honours at the University of Moratuwa, Sri Lanka in 2007. His research interests and expertise include multidimensional signal processing, digital hardware architectures for signal processing, FPGA based system design, hardware accelerators for machine learning, and engineering education. Chamith has received a number of awards including the Outstanding Student Research Award at the University of Akron, Ohio, USA, in 2011 and he is one of the two recipients of the IEEE Circuits and Systems Pre-Doctoral Award in 2014. From 2015-2019 he was a lecturer at the School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia.
Availability
- Dr Chamith Wijenayake is:
- Available for supervision
Fields of research
Qualifications
- Bachelor (Honours), University of Moratuwa
- Doctor of Philosophy, University of Akron Main Campus
Research interests
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Multidimensional signal processing
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Digital hardware design
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Engineering Education
Works
Search Professor Chamith Wijenayake’s works on UQ eSpace
2015
Conference Publication
FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing
Udayanga, Nilan, Madanayake, Arjuna and Wijenayake, Chamith (2015). FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing. IEEE 58th International Midwest Symposium on Circuits and Systems (MWSCAS), Fort Collins, CO, United States, 2-5 August 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MWSCAS.2015.7282165
2015
Conference Publication
Applebaum adaptive array apertures with 2-D IIR space-time circuit-network resonant pre-filters
Udayanga, Nilan, Madanayake, Arjuna, Wijenayake, Chamith and Acosta, Roberto (2015). Applebaum adaptive array apertures with 2-D IIR space-time circuit-network resonant pre-filters. IEEE Radar Conference (RadarCon), Arlington, VA, United States, 10-15 May 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/RADAR.2015.7131070
2015
Conference Publication
Multi-beam 8×8 RF aperture digital beamformers using multiplierless 2-D FFT approximations
Kulasekera, Sunera, Madanayake, Arjuna, Wijenayake, Chamicth, Bayer, Fabio M., Suarez, Dora and Cintra, Renato J. (2015). Multi-beam 8×8 RF aperture digital beamformers using multiplierless 2-D FFT approximations. Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 7-8 April 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MERCon.2015.7112356
2015
Conference Publication
Continuous-time 2-D IIR+time-delay linear aperture arrays
Madanayake, Arjuna, Wijenayake, Chamith and Belestotski, Leonid (2015). Continuous-time 2-D IIR+time-delay linear aperture arrays. IEEE Radio and Wireless Symposium (RWS), San Diego, CA, United States, 25-28 January 2015. Piscataway, NJ, United States: IEEE Computer Society. doi: 10.1109/RWS.2015.7129736
2014
Journal Article
All-pass filter-based 2-D IIR filter-enhanced beamformers for AESA receivers
Wijenayake, Chamith, Madanayake, Arjuna, Belostotski, Leonid, Xu, Yongsheng and Bruton, Len (2014). All-pass filter-based 2-D IIR filter-enhanced beamformers for AESA receivers. IEEE Transactions on Circuits and Systems. Part 1: Regular Papers, 61 (5) 6779687, 1331-1342. doi: 10.1109/TCSI.2014.2309833
2014
Journal Article
Electronically scanned RF-to-bits beam aperture arrays using 2-D IIR spatially bandpass digital filters
Madanayake, Arjuna, Wijenayake, Chamith, Joshi, Rimesh, Almalkawi, Mohammad, Belostotski, Leonid, Bruton, Len and Devabhaktuni, Vijay (2014). Electronically scanned RF-to-bits beam aperture arrays using 2-D IIR spatially bandpass digital filters. Multidimensional Systems and Signal Processing, 25 (2, SI), 313-335. doi: 10.1007/s11045-013-0250-7
2014
Journal Article
2-D-IIR time-delay-sum linear aperture arrays
Madanayake, Arjuna, Wijenayake, Chamith, Wijayaratna, Sewwandi, Acosta, Roberto and Hariharan, S. I. (2014). 2-D-IIR time-delay-sum linear aperture arrays. IEEE Antennas and Wireless Propagation Letters, 13 6767044, 591-594. doi: 10.1109/LAWP.2014.2312109
2014
Conference Publication
Direction/location estimation and modulation detection for RF sources using steerable 3D IIR digital beam filters
Udayanga, Nilan, Madanayake, Arjuna and Wijenayake, Chamith (2014). Direction/location estimation and modulation detection for RF sources using steerable 3D IIR digital beam filters. Conference on Wireless Sensing, Localization, and Processing IX, Baltimore, MD, United States, 5-9 May 2014. BELLINGHAM: SPIE. doi: 10.1117/12.2050800
2014
Conference Publication
Directional cyclostationary feature detectors using 2-D IIR RF spiral-antenna beam digital filters
Madanayake, Arjuna, Udayanga, Nilan, Wijenayake, Chamith, Almalkawi, Mohammad and Devabhaktuni, Vijay (2014). Directional cyclostationary feature detectors using 2-D IIR RF spiral-antenna beam digital filters. IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, VIC, Australia, 1-5 June 2014. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2014.6865680
2014
Conference Publication
Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications
Madanayake, Arjuna, Wijayaratna, Sewwandi and Wijenayake, Chamith (2014). Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications. IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS), College Station, TX, United States, 3-6 August 2014. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/MWSCAS.2014.6908472
2014
Conference Publication
Hexagonal multi-beam analog RF aperture array
Wijenayake, Chamith, Madanayake, Arjuna and Bruton, Len (2014). Hexagonal multi-beam analog RF aperture array. IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, VIC, Australia, 1-5 June 2014. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2014.6865476
2014
Conference Publication
Analog 2-D IIR beam filters for EARS in UAS ecosystems
Madanayake, Arjuna, Belostotski, Leonid, Wijenayake, Chamith, Bruton, Len and Devabhaktuni, Vijay (2014). Analog 2-D IIR beam filters for EARS in UAS ecosystems. IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, United States, 6-11 July 2014. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/APS.2014.6904823
2013
Journal Article
Space-time spectral white spaces in cognitive radio: theory, algorithms, and circuits
Wijenayake, Chamith, Madanayake, Arjuna, Kota, John and Bruton, Len (2013). Space-time spectral white spaces in cognitive radio: theory, algorithms, and circuits. IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 3 (4) 6626347, 640-653. doi: 10.1109/JETCAS.2013.2280805
2013
Journal Article
A 2-D signal processing model to predict the effect of mutual coupling on array factor
Kota, John, Madanayake, Arjuna, Belostotski, Leonid, Wijenayake, Chamith and Bruton, Len T. (2013). A 2-D signal processing model to predict the effect of mutual coupling on array factor. IEEE Antennas and Wireless Propagation Letters, 12 6601655, 1264-1267. doi: 10.1109/LAWP.2013.2282272
2013
Journal Article
Multidimensional (MD) circuits and systems for emerging applications including cognitive radio, radio astronomy, robot vision and imaging
Madanayake, Arjuna, Wijenayake, Chamith, Dansereau, Donald G., Gunaratne, Thushara K., Bruton, Leonard T. and Williams, Stefan B. (2013). Multidimensional (MD) circuits and systems for emerging applications including cognitive radio, radio astronomy, robot vision and imaging. IEEE Circuits and Systems Magazine, 13 (1) 6468142, 10-43. doi: 10.1109/MCAS.2012.2237141
2013
Conference Publication
Low-complexity algorithms for spatio-temporal directional spectrum sensing with applications in cognitive radio
Madanayake, Arjuna, Wijenayake, Chamith, Potluri, Uma, Judith, V. and Mugler, Dale (2013). Low-complexity algorithms for spatio-temporal directional spectrum sensing with applications in cognitive radio. Conference on Wireless Sensing, Localization, and Processing VIII, Baltimore, MD, United States, 29 April - 3 May 2013. BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING. doi: 10.1117/12.2016107
2013
Conference Publication
Rejection of interference and near-field coupled LNA-noise on FPA-fed multibeam dish antennas using 3-D analog filters
Madanayake, Arjuna, Wijenayake, Chamith, Gunarathne, Thushara, Belostotski, Leonid, Xu, Yongsheng and Bruton, Len (2013). Rejection of interference and near-field coupled LNA-noise on FPA-fed multibeam dish antennas using 3-D analog filters. Conference on Radar Sensor Technology XVII, Baltimore, MD, United States, 29 April - 3 May 2013. BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING. doi: 10.1117/12.2016093
2013
Conference Publication
A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS
Wijenayake, Chamith, Madanayake, Arjuna, Xu, Yonghseng, Belostotski, Leonid and Bruton, Len T. (2013). A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS. IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China, 19-23 May 2013. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2013.6572086
2013
Conference Publication
DOA-estimation and source-localization in CR-networks using steerable 2-D IIR beam filters
Wijenayake, Chamith, Madanayake, Arjuna, Bruton, Len T. and Devabhaktuni, Vijay (2013). DOA-estimation and source-localization in CR-networks using steerable 2-D IIR beam filters. IEEE International Symposium on Circuits and Systems (ISCAS), Beijing, China, 19-23 May 2013. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2013.6571783
2013
Journal Article
Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology
Wimalagunarathne, Randeel, Wijenayake, Chamith, Madanayake, Arjuna, Dansereau, Donald G. and Bruton, Len T. (2013). Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology. Multidimensional Systems and Signal Processing, 26 (1), 47-65. doi: 10.1007/s11045-013-0235-6
Supervision
Availability
- Dr Chamith Wijenayake is:
- Available for supervision
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Supervision history
Current supervision
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Doctor Philosophy
Approximate algorithms and approximate computing for multi-dimensional array processing applications.
Principal Advisor
Other advisors: Dr Matthew D'Souza
Completed supervision
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2023
Doctor Philosophy
Identifying level of upper airway obstructions centered on sleep related respiratory sounds in OSA patients
Associate Advisor
Other advisors: Dr Udantha Abeyratne
Media
Enquiries
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