NV

## Publications

- Mo, R.; Pei Y.; Venkatarayalu, N. V.; Pereira, N,; Premkumar A. B.; Sun, S.; Foo K. K.;, "Unsupervised TCN-AE-based Outlier Detection for Time Series with Seasonality and Trend for Cellular Networks," in IEEE Transactions on Wireless Communications, Early Access, Oct 2022
- Khalaf, T.; How, W. S.; Venkatarayalu, N.V.; Ow, K. B.; "Cross-Correlation Based Efcient Technique For Vehicle Occupancy Detection using Magneto-resistive Sensors," Proceeding of 2018 IEEE International Conference on Service Operations and Logistics, and Informatics, SOLI2018, Singapore, Jul 31 - Aug 2, 2018.
- N. Venkatarayalu, H. R. Fang, J. W. Wong and G. -T. Toh, "Effects due to Corporate Feed Network in a 16x16 Element 24GHz Patch Antenna Array," 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), 2021, pp. 1901-1902, Singapore, Dec 1-4, 2021
- U. Ashraf,; N. Venkatarayalu,; S. Sun,; "Pathloss Measurement and Modeling for a Campus Block Environment at 2.1GHz and 3.45GHz", 2023 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tainan, Taiwan, 2023.
- R. Z. Tan, N. Venkatarayalu et al., "Localization of Hotspots from Lock-in Thermography Images for Failure Analysis," 2021 IEEE 23rd Electronics Packaging Technology Conference (EPTC), 2021, pp. 45-49, EPTC2021, Singapore, Dec 1-3, 2021
- Koh, J.S.; Venkatarayalu, N.V.;,“Modeling, Analysis and Measurement of Characteristics of Printed Coils for Current Monitoring Applications,” Proceedings of 2016 IEEE Region 10 Conference, TENCON 2016, pp. 3119 – 3122, Singapore, Nov 22–25, 2016.
- Kwan-ho Lee; Venkatarayalu, N.V.; Chi-Chih Chen; Teixeira, F.L.; Lee, R.;, “Numerical modeling and characterization of fully polarimetric dielectric loaded horn-fed bow-tie (HFB) antenna for GPR applications using FDTD,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 3, pp. 472–475, San Antonio, TX, USA, June 16–21, 2002.
- Venkatarayalu, N.V.;, "Interactive Visualizations based E-Learning Aides for Vector Calculus," Proceeding of 2018 IEEE Teaching, Assessment and Learning in Engineering, IEEE TALE2018, Wollongong, Australia, Dec 4 - 7, 2018.
- Tan, D.; Venkatarayalu, N.V.;,“Design and Analysis of Checkerboard Surface for RCS Reduction in X-band,” Proceedings of 2017 Progress in Electromagnetics Research Symposium, PIERS 2017, Singapore, Nov 19–22, 2017.
- R. Z. Tan, N. Venkatarayalu et al., "Supervised Image Retrieval and Ranking Technique for Lock-in Thermography Images", 2022 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA), Singapore, Singapore, 2022.
- N. Venkatarayalu and H. W. Seng, "A Low-Profile Compact Circular Patch Antenna with Monopole-like Radiation Pattern," 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), 2021, pp. 1747-1748, IEEE APS 2021, Singapore, Dec 1-4, 2021
- J. A. Toh, N. Venkatarayalu, V. P. Bui and W. Thitsartarn, "Shielding Effectiveness of Conductive CFRP with Copper-Plated Fibre," 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC), 2021, pp. 1-4, Bali, Indonesia, Sep 27-30, 2021.
- R. Mo, Y. Pei, N. Venkatarayalu, P. Nathaniel, A. B. Premkumar and S. Sun, "An Unsupervised TCN-based Outlier Detection for Time Series with Seasonality and Trend," 2021 IEEE VTS 17th Asia Pacific Wireless Communications Symposium (APWCS), 2021, pp. 1-5, IEEE APWCS 2021, Osaka, Japan, Aug 30-31, 2021.
- Venkatarayalu, N. V.; E-Learning Resources for Improving Student Achievement in a Course on RF Engineering," 2020 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE), 2020, pp. 688-691, Online, Dec 8-11, 2020.
- Loong, J. W.; Chan, C. L.; Venkatarayalu, N. V.; Lee J;,A Smart Location-Aware Hand Sanitizer Dispenser System," 2020 IEEE REGION 10 CONFERENCE (TENCON), 2020, pp. 642-646, Osaka, Japan, Nov 16 - 19, 2020.
- Venkatarayalu, N. V.; Tan, H. Y.; Tan, K. S.; Kuah, A. T.;, "Applied Learning Through Industry Lab In A Course On RF Engineering & EMC," Proceeding of 2018 IEEE Teaching, Assessment and Learning in Engineering, IEEE TALE2018, Wollongong, Australia, Dec 4 - 7, 2018.
- Phua, W.J.; Low, Y.H.; Venkatarayalu, N.V.; Koh, J.;,"NFC-based Smart Notication System for Hospital Discharge Process and Bed Management," Proceeding of 2018 IEEE International Conference on Service Operations and Logistics, and Informatics, SOLI2018, Singapore, Jul 31 - Aug 2, 2018.
- Venkatarayalu, N.V.; Lee, R.; Gan, Y.–B.; Li, L.–W.;, “A Stable FDTD Subgridding Method Based on Finite Element Formulation With Hanging Variables,” Antennas and Propagation, IEEE Transactions on , vol. 55, no. 3, pp. 907–915, March 2007.
- Venkatarayalu, N.V.; Li, L.-W.;, “ Simulation of Electromagnetic Radiation and Scattering Using Hybrid Higher Order FETD-FDTD Method,” Proc of IEEE Applied Electromagnetics Conference, AEMC 2007, Kolkata, India, December 19–20, 2007.
- Venkatarayalu, N.V.; Lee, W. W.; Tan. D.; Soh, C. B.;,“Eﬀect of Resistivity of ITO Thin Film when used in Checkerboard Surfaces for RCS Reduction, ” Proceedings of 2017 Progress in Electromagnetics Research Symposium, PIERS 2017, Singapore, Nov 19–22, 2017.
- Koh, J.S.; Venkatarayalu, N.V.;,“Modeling, Analysis and Measurement of Characteristics of Printed Coils for Current Monitoring Applications,” Proceedings of 2016 IEEE Region 10 Conference, TENCON 2016, pp. 3119 – 3122, Singapore, Nov 22–25, 2016.
- Single and multi-objective design of Yagi-Uda antennas using computational intelligence
- Venkatarayalu, N.V.; Yuan, C.J.;,“Eliminating Errors Due to Position Uncertainty in Coaxial Airline Based Measurement of Material Parameters,” Proceedings of 2017 Progress in Electromagnetics Research Symposium, PIERS 2017, Singapore, Nov 19–22, 2017.
- Kyaw, O.; Venkatarayalu, N.V.; Chua, L.-H.; Gan, Y.-B;,“Design of a Dual-Polarized X-Band Antenna Sub-Array for SAR applications,” Proceedings of 5th Asia Paciﬁc Conference on Synthetic Aperture Radar, APSAR 2015, pp. 139 – 142, Singapore, Sep 01–04, 2015.
- Venkatarayalu, N.V.; Cbi-Chih Chen; Teixeira, F.L.; Lee, R.;, “Impedance characterization of dielectric horn antennas using FDTD,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 4, pp. 482–485, San Antonio, TX, USA, June 16-21, 2002.
- Ji, Y.; Mouthaan, K.; Venkatarayalu, N.V.;,“Analysis of Radiated Emission Performance of Various Passive Signal Integrity Improvement Techniques,” Proceedings of 2014 International Symposium on Electromagnetic Compatibility, EMC 2014, pp. 549 – 552, Tokyo, Japan, May 12–16, 2014.
- Venkatarayalu, N.V.; Iddagoda, M. N.; Kong, L.B.; Ting, S.K.;,“ Reducing the size of Monopole Antennas using Magneto-Dielectric Material Loading,” Proceedings of 2012 IEEE International Symposium on Antennas and Propagation, pp. 1–2, Chicago, IL, USA, July 8-13, 2012.
- Venkatarayalu, N.V.;, “Eﬃcient Constrained Finite Element Solution for Electromagnetic eigenvalue problems with lossy and anisotropic materials,” Proceedings of Asia Paciﬁc Microwave Conference, APMC 2011, pp. 1949–1952, Melbourne, Australia, Dec 5–8, 2011.
- Ji, Y.; Mouthaan, K.; Venkatarayalu, N.V.;, “Analysis of IBIS Model Performance in Simulation of Simultaneous Switching Noise,” Proceedings of Asia Paciﬁc Microwave Conference, APMC 2011, pp. 1007–1010, Melbourne, Australia, Dec 5–8, 2011.
- Venkatarayalu, N. V.; Zhao, K; Gan, Y.-B.; Lee, J.-F;, “Fast Monostatic RCS Computation in FEM Based Solvers Using QR Decomposition,” Proceedings of First European Conference on Antennas and Propagation, EuCAP 2006, Nice, France, Nov 6–10, 2006..
- Ji, Y.; Mouthaan, K.; Venkatarayalu, N.V.;, “Evaluation of IBIS Modelling Techniques for Signal Integrity Simulations without and with Package Parasitics,” Proceedings of 2010 IEEE Electrical Design of Advanced Packaging and Systems Symposium, Singapore, Dec 7–9, 2010.
- Venkatarayalu, N.V.; Lee, R; Gan, Y.-B.; Li,L.-W.;, “Hanging variables in Finite Element Time Domain Method with Hexahedral Edge Elements,” Proceedings of 17th International Zurich Symposium on Electromagnetic Compatibility, EMC Zurich, pp. 184-187, Singapore, Feb 27Mar 3, 2006
- Venkatarayalu, N.V.; Ray, T.; Gan, Y.–B.;, “Multilayer dielectric ﬁlter design using a multiobjective evolutionary algorithm,” Antennas and Propagation, IEEE Transactions on , vol. 53, no. 11, pp. 3625–3632, Nov. 2005.
- Venkatarayalu, N.V.; Gan, Y. B.;, “Design of a Tapered Slot Array Antenna for UWB Through-Wall RADAR,” Proceedings of 2010 IEEE International Symposium on Antennas and Propagation, Toronto, Canada, July 12–17, 2010.
- Venkatarayalu, N.V.; Chi–Chih Chen; Teixeira, F.L.; Lee, R.;, “Numerical modeling of ultrawide–band dielectric horn antennas using FDTD,” Antennas and Propagation, IEEE Transactions on , vol. 52, no. 5, pp. 1318–1323, May 2004.
- Iddagoda, M. N.; Venkatarayalu, N.V.; Gan, Y. B.;, “Characterization, Calibration and Macromodeling of RF Current Probes,” Proceedings of Asia-Paciﬁc Microwave Conference, APMC 2009, pp. 629–632, Singapore, December 7–10, 2009.
- General formulation of unconditionally stable ADI-FDTD method in linear dispersive media
- FEM modeling of axisymmetric cavities with divergence-free constraint equation and hierarchical basis functions
- Ray, T.; Venkatarayalu, N.V.; Won, K. S.; Chan, K. P.;, “Study on the Behaviour and Implementation of Parent Centric Crossover within the Modiﬁed Generic Generation Gap Model,” Proceedings of CEC 2004, Congress on Evolutionary Computing, pp. 1996–2003, Portland, Oregon, USA, June 20–23, 2004.
- Venkatarayalu, N. V.; Gan, Y.-B.; Lee, R; Li, L.-W;, “Antenna Modeling Using Stable Hybrid FETD-FDTD Method,” Proceeding of 2007 IEEE International Symposium on Antennas and Propagation, pp. 3736–3739, Honolulu, Hawaii, USA, June 10–15, 2007.
- Dong, X.T.; Venkatarayalu, N.V.; Guo, B.; Yin, W.Y.; Gan, Y.B.;, “General formulation of unconditionally stable ADI–FDTD method in linear dispersive media,” Microwave Theory and Techniques, IEEE Transactions on , vol. 52, no. 1, pp. 170–174, Jan. 2004.
- Venkatarayalu, N.V.; Jin–Fa Lee;, “Removal of spurious DC modes in edge element solutions for modeling three–dimensional resonators,” Microwave Theory and Techniques, IEEE Transactions on , vol. 54, no. 7, pp. 3019–3025, July 2006.
- Venkatarayalu, N.V.; Ray, T.;, “Optimum design of Yagi–Uda antennas using computational intelligence,” Antennas and Propagation, IEEE Trans. on , vol. 52, no. 7, pp. 1811–1818, July 2004.
- Venkatarayalu, N.V.; Beng, G.Y.; Li, L.–W.;, “On the numerical errors in the 2D FE/FDTD algorithm for diﬀerent hybridization schemes,” Microwave and Wireless Components Letters, IEEE , vol. 14, no. 4, pp. 168–170, April 2004.
- Venkatarayalu, N.V.; Vouvakis M. N.; Gan, Y.B; Lee, J.-F;, “Suppressing Linear Time Growth in Edge Element based Finite Element Time Domain Solution,” Proceedings of the 2005 IEEE Antennas and Propagation International Symposium, vol. 4B, pp. 193–196, Washington DC, USA, July 3–8, 2005.
- Venkatarayalu, N. V.; Tan, H. Y.; Tan, K. S.; Kuah, A. T.;, "Applied Learning Through Industry Lab In A Course On RF Engineering & EMC," Proceeding of 2018 IEEE Teaching, Assessment and Learning in Engineering, IEEE TALE2018, Wollongong, Australia, Dec 4 - 7, 2018.