Dr Chamith Wijenayake
Senior Lecturer - Teaching Focused
School of Electrical Engineering and Computer Science
+61 7 336 51182
Researcher biography
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.
Journal Articles
Dissanayake, Nadeeshan, Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2024). Multibeam Wideband Transmit Beamforming Using 2D Sparse FIR Trapezoidal Filters. Journal of Low Power Electronics and Applications, 14 (2) 26, 26. doi: 10.3390/jlpea14020026
Edussooriya, C. U.S., Wijenayake, C., Madanayake, A., Liyanage, N., Premaratne, S., Vorhies, J. T., Dansereau, D. G., Agathoklis, P. and Bruton, L. T. (2021). Real-time light field signal processing using 4D/5D linear digital filter FPGA circuits. IEEE Transactions on Circuits and Systems II: Express Briefs, 68 (7) 9349089, 2735-2741. doi: 10.1109/TCSII.2021.3057388
Gullapalli, Sai K., Edussooriya, Chamira U. S., Wijenayake, Chamith, Dansereau, Donald G., Bruton, Len T. and Madanayake, Arjuna (2021). Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement. Multidimensional Systems and Signal Processing, 32 (2), 607-631. doi: 10.1007/s11045-020-00751-y
Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith, Agathoklis, Panajotis and Bruton, Len T. (2021). Multi-volumetric refocusing of light fields. IEEE Signal Processing Letters, 28 9291467, 31-35. doi: 10.1109/lsp.2020.3043990
Premaratne, Sanduni U., Liyanage, Namalka, Edussooriya, Chamira U. S. and Wijenayake, Chamith (2020). Real-time light field denoising using a novel linear 4-D hyperfan filter. IEEE Transactions on Circuits and Systems I: Regular Papers, 67 (8) 9051850, 2693-2706. doi: 10.1109/tcsi.2020.2981387
Wijenayake, Chamith, Antonir, Amir, Keller, Gabriele and Ignjatovic, Aleksandar (2020). An adaptive denoising algorithm for improving frequency estimation and tracking. IEEE Transactions on Circuits and Systems II: Express Briefs, 67 (1) 8638557, 172-176. doi: 10.1109/TCSII.2019.2898451
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira, Madanayake, Arjuna, Agathoklis, Pan, Bruton, Len T. and Ambikairajah, Eliathamby (2020). Multi-depth filtering and occlusion suppression in 4-D light fields: algorithms and architectures. Signal Processing, 167 107294, 1-13. doi: 10.1016/j.sigpro.2019.107294
Sivanathan, Arunan, Gharakheili, Hassan Habibi, Loi, Franco, Radford, Adam, Wijenayake, Chamith, Vishwanath, Arun and Sivaraman, Vijay (2019). Classifying IoT devices in smart environments using network traffic characteristics. IEEE Transactions on Mobile Computing, 18 (8) 8440758, 1745-1759. doi: 10.1109/TMC.2018.2866249
Wijenayake, C., Liyanage, N., Edussooriya, C. U. S., Seatang, H., Agathoklis, P. and Bruton, L. T. (2019). Design and implementation of 5-D IIR depth velocity filters for light field video processing. IEEE Transactions on Circuits and Systems II: Express Briefs, 66 (7) 8486731, 1267-1271. doi: 10.1109/TCSII.2018.2874940
Wijenayake, Chamith, Ignjatovic, Aleksandar and Keller, Gabriele (2019). On reconstruction of bandlimited signals from purely timing information. Signal Processing, 159, 89-92. doi: 10.1016/j.sigpro.2019.02.002
Wijenayake, Chamith, Scutts, Jarryd and Ignjatović, Aleksandar (2018). Signal recovery algorithm for 2-level amplitude sampling using chromatic signal approximations. Signal Processing, 153, 143-152. doi: 10.1016/j.sigpro.2018.07.009
Dayawansa, Indra, Wijenayake, Chamith, Edussooriya, Chamira, Samarasekara, Thusitha, Karunasekara, Chamanthi, Dias, Dileeka, Samarasinghe, Kithsiri, Kulasekere, Chulantha, Rodrigo, Ranga and Dayananda, Nuwan (2018). Blended induction program for electronic engineering freshmen. International Journal of Electrical Engineering Education, 55 (4), 354-366. doi: 10.1177/0020720918775034
Wijenayake, Chamith, Pulipati, Sravan, Madanayake, Arjuna, Udayanga, Nilan and Bruton, Len (2018). Low-Complexity wideband transmit beamforming using network-resonant digital plane-wave filters. IEEE Antennas and Wireless Propagation Letters, 17 (7), 1300-1304. doi: 10.1109/LAWP.2018.2842764
Ignjatović, Aleksandar, Wijenayake, Chamith and Keller, Gabriele (2018). Chromatic derivatives and approximations in practice - part I: a general framework. IEEE Transactions on Signal Processing, 66 (6) 8239824, 1498-1512. doi: 10.1109/TSP.2017.2787127
Ignjatović, Aleksandar, Wijenayake, Chamith and Keller, Gabriele (2018). Chromatic derivatives and approximations in practice - part II: nonuniform sampling, zero-crossings reconstruction, and denoising. IEEE Transactions on Signal Processing, 66 (6) 8239866, 1513-1525. doi: 10.1109/TSP.2017.2787149
Madanayake, Arjuna, Randeny, Tharindu, Udayanga, Nilan, Sengupta, Arindam, Jones, Glenn, Wijenayake, Chamith and Bruton, Len T. (2017). Applications of RF aperture-array spatially-bandpass 2-D IIR filters in sub-Nyquist spectrum sensing, wideband doppler radar and radio astronomy beamforming. Multidimensional Systems and Signal Processing, 28 (4), 1523-1548. doi: 10.1007/s11045-016-0423-2
Wijayaratna, Sewwandi, Madanayake, Arjuna, Wijenayake, Chamith and Bruton, Len T. (2015). Digital VLSI architectures for beam-enhanced RF aperture arrays. IEEE Transactions on Aerospace and Electronic Systems, 51 (3) 7272847, 1996-2011. doi: 10.1109/TAES.2015.140507
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
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
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
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
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
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
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
Wijenayake, Chamith, Madanayake, Arjuna and Bruton, Len (2012). Broadband multiple cone-beam 3-D IIR digital filters applied to planar dense aperture arrays. IEEE Transactions on Antennas and Propagation, 60 (11) 6257436, 5136-5146. doi: 10.1109/TAP.2012.2211316
Bruton, Leonard T., Madanayake, Arjuna, Wijenayake, Chamith and Maini, Mona (2012). Continuous-time analog two-dimensional IIR beam filters. IEEE Transactions on Circuits and Systems II: Express Briefs, 59 (7) 6225427, 419-423. doi: 10.1109/TCSII.2012.2200170
Wijenayake, Chamith, Xu, Yongsheng, Madanayake, Arjuna, Belostotski, Leonid and Bruton, Len T. (2012). RF analog beamforming fan filters using CMOS all-pass time delay approximations. IEEE Transactions on Circuits and Systems I: Regular Papers, 59 (5) 6162970, 1061-1073. doi: 10.1109/TCSI.2012.2185294
Conference Papers
Satheeskanth, Navaratnam, Wijenayake, Chamith and Edussooriya, Chamira U. S. (2024). Ultra Low-Complexity 4-D IIR Hyperfan Filter for Light Field Denoising. IEEE. doi: 10.1109/mercon63886.2024.10688959
Pakiyarajah, Darukeesan, Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2024). A Spatially-Interpolated Beamformer using a Parallel Structure with Sparse Linear Arrays. IEEE. doi: 10.1109/mercon63886.2024.10689079
Nanthakumar, Pathmapirian, Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2024). Minimax design of M-D interpolated FIR filters using convex-concave procedure. 2024 IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, Singapore, 19-22 May 2024. Piscataway, NJ, United States: IEEE. doi: 10.1109/iscas58744.2024.10558262
Zhong, Zhaofeng, Nanthakumar, Pathmapirian, Field, Gabriel, Edussooriya, Chamira U. S., Ignjatovic, Aleksandar and Wijenayake, Chamith (2024). Acquisition and processing of chromatic derivatives using FPGA-based digital hardware. 2024 IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, Singapore, 19-22 May 2024. Piscataway, NJ, United States: IEEE. doi: 10.1109/iscas58744.2024.10558136
Zhong, Zhaofeng, Wijenayake, Chamith and Edussooriya, Chamira U. S. (2023). Exploring the performance of generative AI tools in electrical engineering education. 2023 IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE), Auckland, New Zealand, 28 November - 1 December 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/tale56641.2023.10398370
Tomeo-Reyes, Inmaculada, Chen, Zhuoyu, Wijenayake, Chamith and Khatamianfar, Arash (2023). Investigating different approaches on online laboratory practices. 2023 IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE), Auckland, New Zealand, 28 November - 1 December 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/tale56641.2023.10398338
Pakiyarajah, Darukeesan, Chamira Edussooriya, U. S., Wijenayake, Chamith and Madanayake, Arjuna (2023). Minimax design of M-D complex-coefficient FIR filters with nearly-constant low group delays. 2023 Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 9-11 November 2023. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/mercon60487.2023.10355448
Pakiyarajah, Darukeesan, Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2023). A low-complexity 2-D FIR parallelogram filter for broadband beamforming with sparse linear arrays. 2023 Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 9-11 November 2023. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/mercon60487.2023.10355500
Nanthakumar, Pathmapirian, Wijenayake, Chamith, Edussooriya, Chamira U. S. and Madanayake, Arjuna (2023). Combined Approximate Transforms and Approximate Computing for Low-Complexity Multibeam Arrays. 2023 22nd International Symposium on Communications and Information Technologies (ISCIT), Sydney, NSW Australia, 16-18 October 2023. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/iscit57293.2023.10376103
Nanthakumar, Pathmapirian, Wijenayake, Chamith, Edussooriya, Chamira U. S. and Madanayake, Arjuna (2023). Low-complexity DFT-based multibeamforming arrays with configurable beam profiles. 2023 IEEE Region 10 Symposium, TENSYMP 2023, Canberra, ACT Australia, 6-8 September 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/tensymp55890.2023.10223668
D'Souza, Matthew, Khatamianfar, Arash and Wijenayake, Chamith (2022). Mostly online project-based learning during the COVID-19 pandemic. 33rd Australasian Association for Engineering Education Conference, Sydney, Australia, 4-7 December 2022. Australasian Association for Engineering Education.
De Silva, Raveen, Antonir, Amir, Ignjatovic, Aleksandar and Wijenayake, Chamith (2022). MUSIC algorithm for young mathematicians and engineers. 33rd Australasian Association for Engineering Education Conference, Sydney, Australia, 4-7 December 2022. Australasian Association for Engineering Education.
Wijenayake, C., Wickremasinghe, K., Abarajithan, G., Madanayake, A., Edussooriya, C. and Samarasinghe, K. (2022). A mostly-online CAS teaching experience. IEEE International Symposium on Circuits and Systems (ISCAS), Austin, TX, United States, 27 May-1 June 2022. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ISCAS48785.2022.9937429
Pakiyarajah, Darukeesan, Dissanayake, Nadeeshan D. K., Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayakes, Arjuna (2022). Weighted least-squares design of 2-D IIR filters with arbitrary frequency response using iterative second-order cone programming. IEEE International Symposium on Circuits and Systems (ISCAS), Austin, TX, United States, 27 May-1 June 2022. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ISCAS48785.2022.9937617
Pulipati, Sravan, Arivarathna, Viduneth, Perera, Sirani M., Wijenayake, Chamith, Belostotski, Leonid and Madanayake, Arjuna (2021). Digital uncoupling of coupled multi-beam arrays. 2021 International Applied Computational Electromagnetics Society Symposium (ACES), Hamilton, ON, Canada, 1-5 August 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/ACES53325.2021.00194
Wijenayake, Chamith, D'souza, Matthew, Khatamianfar, Arash, Bialkowski, Konstanty, Ros, Montserrat and Sutton, Peter (2021). Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic. IEEE International Conference on Engineering, Technology and Education (IEEE TALE), Wuhan, Peoples Republic of China, 5-8 December 2021. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TALE52509.2021.9678716
Pakiyarajah, Darukeesan, Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2021). WLS design of M-D complex-coefficient FIR filters with low group delay using second-order cone programming. 2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 22-28 May 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS51556.2021.9401512
Edussooriya, Chamira U.S., Marasinghe, Dileepa, Wijenayake, Chamith, Bruton, Len T. and Agathoklis, Panajotis (2021). Improving the attenuation of moving interfering objects in videos using shifted-velocity filtering. 2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 22-28 May 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS51556.2021.9401316
Liyanage, Namalka, Abeywardena, Kalana, Jayaweera, Sakila S., Wijenayake, Chamith, Edussooriya, Chamira U. S. and Seneviratne, Suranga (2020). Making sense of occluded scenes using light field pre-processing and deep-learning. IEEE Region 10 Annual International Conference, Osaka, Japan, 16-19 November 2020. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TENCON50793.2020.9293774
Pulipati, Sravan, Ariyarathna, Viduneth, Jayaweera, Ashira L., Edussooriya, Chamira U. S., Wijenayake, Chamith, Belostotski, Leonid and Madanayake, Arjuna (2020). FPGA-Based 2-D FIR frost beamformers with digital mutual coupling compensation. 2020 IEEE/MTT-S International Microwave Symposium (IMS), Los Angeles, CA United States, 4-6 August 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/IMS30576.2020.9224004
Liyanage, Namalka, Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith, Madanayake, Arjuna, Agathoklis, Panajotis, Bruton, Len and Ambikairajah, Eliathamby (2020). Multi depth-velocity filters for enhancing multiple moving objects in 5-D light field videos. Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 28-30 July 2020. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MERCon50084.2020.9185284
Jayaweera, Ashira L., Jayaweera, Sakila S., Edussooriya, Chamira U.S., Wijenayake, Chamith and Madanayake, Arjuna (2020). Minimax design of 2-d complex-coefficient FIR filters with low group delay using semidefinite programming. 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Seville, Spain, 12-14 October 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS45731.2020.9181047
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira U.S., Madanayake, Arjuna, Cintra, Renato and Ambikairajah, Eliathamby (2020). Low-complexity real-time light field compression using 4-D approximate DCT. 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Seville, Spain, 12-14 October 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS45731.2020.9180755
Suthokumar, Gajan, Sriskandaraja, Kaavya, Sethu, Vidhyasaharan, Wijenayake, Chamith, Ambikairajah, Eliathamby and Li, Haizhou (2019). Use of claimed speaker models for replay detection. Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Honolulu, HI, United States, 12-15 November 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.23919/APSIPA.2018.8659510
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira U.S. and Ambikairajah, Eliathamby (2019). Reduced-complexity depth filtering and occlusion suppression using modulated-sparse light fields. IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, 26-29 May 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2019.8702412
Pulipati, Sravan, Ariyarathna, Viduneth, Edussooriya, Chamira U. S., Wijenayake, Chamith, Wang, Xin and Madanayake, Arjuna (2019). Real-time FPGA-based multi-beam directional sensing of 2.4 GHz ISM RF sources. Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 3-5 July 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MERCon.2019.8818787
Suthokumar, Gajan, Sriskandaraja, Kaavya, Sethu, Vidhyasaharan, Wijenayake, Chamith and Ambikairajah, Eliathamby (2019). Phoneme specific modelling and scoring techniques for anti spoofing system. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 12-17 May 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ICASSP.2019.8682411
Edussooriya, C. U.S., Wijenayake, C., Pulipati, S., Madanayake, A. and Bruton, L. T. (2019). Low-complexity wideband transmit array using variable-precision 2-d sparse FIR digital filters. IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, 26-29 May 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2019.8702602
Ahmed, Beena, Kagita, Mohan, Wijenayake, Chamith Abewardana and Ravishankar, Jayashri (2019). Implementation guidelines for an automated grading tool to assess short answer questions on digital circuit design course. 2018 IEEE International Conference on Teaching, Assessment, and Learning for Engineering, TALE 2018, Wollongong, NSW, Australia, 4-7 December 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/TALE.2018.8615228
Wijenayake, Chamith, Gilbert, Will, Van Winden, Simon and Ahmed, Beena (2019). Concept-focused in-class demonstrations for teaching embedded system design in large classes. 2018 IEEE International Conference on Teaching, Assessment, and Learning for Engineering, TALE 2018, Wollongong, NSW, Australia, 4-7 December 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TALE.2018.8615178
Premaratne, Sanduni U., Edussooriya, Chamira U. S., Wijenayake, Chamith, Bruton, Len T. and Agathoklis, Panajotis (2019). A 4-D sparse FIR hyperfan filter for volumetric refocusing of light fields by hard thresholding. International Conference on Digital Signal Processing (DSP), Shanghai, China, 19-21 November 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ICDSP.2018.8631601
Suthokumar, Gajan, Sethu, Vidhyasaharan, Wijenayake, Chamith and Ambikairajah, Eliathamby (2018). Modulation dynamic features for the detection of replay attacks. 19th Annual Conference of the International Speech Communication Association (INTERSPEECH 2018), Hyderabad, India, 2-6 September 2018. BAIXAS: International Speech Communication Association. doi: 10.21437/Interspeech.2018-1846
Edussooriya, Chamira U. S., Wijenayake, Chamith, Bruton, Len T. and Agathoklis, Panajotis (2018). Multidimensional spatio-temporal filters for depth-velocity filtering in light field videos. 2017 IEEE International Conference on Industrial and Information Systems (ICIIS), Peradeniya, Sri Lanka, 15-16 December 2017. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ICIINFS.2017.8300353
Suthokumar, Gajan, Sriskandaraja, Kaavya, Sethu, Vidhyasaharan, Wijenayake, Chamith and Ambikairajah, Eliathamby (2018). An investigation about the scalability of the spoofing detection system. 2018 IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Colombo, Sri Lanka, 21-22 December 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/ICIAFS.2018.8913369
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira, Madanayake, Arjuna, Agathoklis, Pan, Ambikairajah, Eliathamby and Bruton, Len (2018). Low-complexity 4-D IIR filters for multi-depth filtering and occlusion suppression in light fields. IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, 27-30 May 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2018.8350971
Cetin, Ediz, Wijenayake, C., Sethu, V. and Ambikairajah, E. (2017). A flipped mode approach to teaching an electronic system design course. IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE), Hong Kong, China, 12-14 December 2017. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/TALE.2017.8252337
Udayanga, Nilan, Madanayake, Arjuna, Wijenayake, Chamith, Ahmadi, Peyman, Belostotski, Leonid, Maundy, Brent, Bruton, Len T. and Elwakil, Ahmed (2017). All-pass filter based synthesis of multifunctional microwave active circuits. IEEE 85th Vehicular Technology Conference (VTC Spring), Sydney, NSW, Australia, 4-7 June 2017. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/VTCSpring.2017.8108422
Sivanathan, Arunan, Sherratt, Daniel, Gharakheili, Hassan Habibi, Radford, Adam, Wijenayake, Chamith, Vishwanath, Arun and Sivaraman, Vijay (2017). Characterizing and classifying IoT traffic in smart cities and campuses. 2017 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), Atlanta, GA USA, 1-4 May 2017. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/INFCOMW.2017.8116438
Suthokumar, Gajan, Sriskandaraja, Kaavya, Sethu, Vidhyasaharan, Wijenayake, Chamith and Ambikairajah, Eliathamby (2017). Independent modelling of high and low energy speech frames for spoofing detection. 18th Annual Conference of the International Speech Communication Association (INTERSPEECH 2017), Stockholm, Sweden, 20-24 August 2017. BAIXAS: International Speech Communication Association. doi: 10.21437/Interspeech.2017-836
Udayanga, Nilan, Madanayake, Arjuna, Wijenayake, Chamith and Bruton, Len T. (2016). Increasing SINR of microwave Applebaum adaptive arrays using analog 2D-IIR space-time network-resonant beam filters. 10th International Conference on Information, Communications and Signal Processing (ICICS), Singapore, Singapore, 2-4 December 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ICICS.2015.7459861
Wijenayake, Chamith, Madanayake, Arjuna, Belostotski, Leonid, Xu, Yongsheng and Bruton, Len T. (2016). Linear RF apertures using 2-D analog beam filters. IEEE International Symposium on Circuits and Systems (ISCAS), Montreal, QC, Canada, 22-25 May 2016. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers Inc.. doi: 10.1109/ISCAS.2016.7527228
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
Madanayake, Arjuna, Udayanga, Nilan, Wijenayake, Chamith and Bruton, Len (2015). Electronically steerable directed energy using space-time network resonant digital systems. IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Vancouver, BC, Canada, 19-24 July 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/APS.2015.7305530
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
Madanayake, Arjuna, Wijenayake, Chamith, Lin, Zhiping and Dornback, Nathan (2015). Recent advances in multidimensional systems and signal processing: an overview. EEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal, 24-27 May 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2015.7169159
Udayanga, Nilan, Madanayake, Arjuna, Wijenayake, Chamith, Ahmadi, Peyman and Belostotski, Leonid (2015). Tunable multiband RF CMOS active filter arrays. IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal, 24-27 May 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2015.7168975
Madanayake, Arjuna, Wijenayake, Chamith, Belostotski, Leonid and Bruton, Len T. (2015). An overview of multi-dimensional RF signal processing for array receivers. 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.2015.7112355
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
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
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
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
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
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
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
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
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
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
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
Wijenayake, Chamith, Madanayake, Arjuna, Xu, Yongsheng, Belostotski, Leonid and Bruton, Len T. (2012). Discrete space continuous time 2D delay block using 2D all-pass frequency planar networks. IIEEE International Symposium on Circuits and Systems (ISCAS), Seoul, South Korea, 20-23 May 2012. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2012.6272120
Madanayake, Arjuna, Wijenayake, Chamith, Joshi, Rimesh M., Grover, Jim, Carletta, Joan, Adams, Jay, Hartley, Tom and Ogunfunmi, Tokunbo (2012). Teaching freshmen VHDL-based digital design. IEEE International Symposium on Circuits and Systems (ISCAS), Seoul, South Korea, 20-23 May 2012. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2012.6271865
Madanayake, A., Wijenayake, C., Tran, N., Cooklev, T., Hum, S. V. and Bruton, L. T. (2012). Directional spectrum sensing using tunable multi-D space-time discrete filters. 2012 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM), San Francisco, CA United States, 25-28 June 2012. Piscataway, NJ United States: IEEE. doi: 10.1109/WoWMoM.2012.6263754
Wijenayake, Chamith, Madanayake, Arjuna, Belostotski, Leonid and Bruton, Len T. (2011). Recent progress on analog/digital VLSI 2D filter circuits for beamforming antenna arrays. doi: 10.1109/nDS.2011.6076832
Madanayake, Arjuna, Rajapaksha, Nilanka, Wijenayake, Chamith, Lee, Kye-Shin, Bruton, Len T. and Belostotski, Leonid (2011). A new class of spatially-discrete time-continuous 2D IIR filters based on wave-digital-filter theory. doi: 10.1109/PACRIM.2011.6032976
Madanayake, Arjuna, Belostotski, Leonid, Wijenayake, Chamith and Bruton, Len T. (2011). Analog 2D fan filters from discrete domain transfer functions. IEEE International Symposium of Circuits and Systems (ISCAS), Rio de Janeiro, Brazil, 15-18 May 2011. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2011.5937897
Wijenayake, C. K., Madanayake, A. and Bruton, L. T. (2010). FPGA-prototypes of differential-form 2D-IIR systolic-array DSP architectures for multi-beam plane-wave filters. doi: 10.1109/SIPS.2010.5624763
Rajapaksha, N. T., Wijenayake, C., Madanayake, A. and Bruton, L. T. (2010). Raster-scanned wave-digital filter architectures for multi-beam 2D IIR broadband beamforming. doi: 10.1109/ICM.2010.5696086
Wijenayake, Chamith, Madanayake, Arjuna and Bruton, Len T. (2010). Systolic-array architecture for 2D IIR wideband dual-beam space-time plane-wave filters. doi: 10.1109/MWSCAS.2010.5548677