Publications

A. Seretis and C. D. Sarris, "Towards Physics-Based Generalizable Convolutional Neural Network Models for Indoor Propagation," in IEEE Transactions on Antennas and Propagation, 2022.

A. Seretis and C. D. Sarris, "An Overview of Machine Learning Techniques for Radiowave Propagation Modeling," in IEEE Transactions on Antennas and Propagation, 2022.

T. Hashimoto, X. Zhang and C. D. Sarris, "Heuristic UTD Diffraction Coefficient for Three-Dimensional Dielectric Wedges," in IEEE Transactions on Antennas and Propagation, vol. 69, no. 8, pp. 4816-4826, Aug. 2021.

S. Bakirtzis, T. Hashimoto and C. D. Sarris, "FDTD-Based Diffuse Scattering and Transmission Models for Ray Tracing of Millimeter-Wave Communication Systems," in IEEE Transactions on Antennas and Propagation, vol. 69, no. 6, pp. 3389-3398, June 2021.

N. Sood, S. Baroudi, X. Zhang, J. Liebeherr and C. D. Sarris, "Integrating Physics-Based Wireless Propagation Models and Network Protocol Design for Train Communication Systems," in IEEE Transactions on Antennas and Propagation, vol. 66, no. 12, pp. 6635-6645, Dec. 2018.

X. Zhang, N. Sood and C. D. Sarris, "Fast Radio-Wave Propagation Modeling in Tunnels With a Hybrid Vector Parabolic Equation/Waveguide Mode Theory Method," in IEEE Transactions on Antennas and Propagation, vol. 66, no. 12, pp. 6540-6551, Dec. 2018.

X. Zhang and C. D. Sarris, "Vector Parabolic Equation-Based Derivation of Rectangular Waveguide Surrogate Models of Arched Tunnels," in IEEE Transactions on Antennas and Propagation, vol. 66, no. 3, pp. 1392-1403, March 2018.

X. Zhang, A. Ludwig, N. Sood and C. D. Sarris, "Physics-Based Optimization of Access Point Placement for Train Communication Systems," in IEEE Transactions on Intelligent Transportation Systems, vol. 19, no. 9, pp. 3028-3038, Sept. 2018.

X. Zhang and C. D. Sarris, "A Gaussian Beam Approximation Approach for Embedding Antennas Into Vector Parabolic Equation-Based Wireless Channel Propagation Models," in IEEE Transactions on Antennas and Propagation, vol. 65, no. 3, pp. 1301-1310, March 2017.

X. Zhang, N. Sood, J. K. Siu and C. D. Sarris, "A Hybrid Ray-Tracing/Vector Parabolic Equation Method for Propagation Modeling in Train Communication Channels," in IEEE Transactions on Antennas and Propagation, vol. 64, no. 5, pp. 1840-1849, May 2016.

X. Wei, X. Zhang, N. Diamanti, W. Shao and C. D. Sarris, "Subgridded FDTD Modeling of Ground Penetrating Radar Scenarios Beyond the Courant Stability Limit," in IEEE Transactions on Geoscience and Remote Sensing, vol. 55, no. 12, pp. 7189-7198, Dec. 2017.

C. Chang and C. D. Sarris, "A Spatially Filtered Finite-Difference Time-Domain Scheme With Controllable Stability Beyond the CFL Limit: Theory and Applications," in IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 1, pp. 351-359, Jan. 2013.

D. Li and C. D. Sarris, "Time-Domain Modeling of Nonlinear Optical Structures With Extended Stability FDTD Schemes," in Journal of Lightwave Technology, vol. 29, no. 7, pp. 1003-1010, April1, 2011.

C. D. Sarris, "Extending the Stability Limit of the FDTD Method With Spatial Filtering," in IEEE Microwave and Wireless Components Letters, vol. 21, no. 4, pp. 176-178, April 2011.

R. B. Armenta and C. D. Sarris, "Modeling Material Interfaces and Boundary Conditions in High-Order Finite-Difference Methods," in IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 12, pp. 3283-3293, Dec. 2011.

R. B. Armenta and C. D. Sarris, "A General Procedure for Introducing Structured Nonorthogonal Discretization Grids Into High-Order Finite-Difference Time-Domain Methods," in IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 7, pp. 1818-1829, July 2010.

Y. Liu and C. D. Sarris, "Efficient modeling of microwave integrated-circuit geometries via a dynamically adaptive mesh refinement-FDTD technique," in IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 2, pp. 689-703, Feb. 2006.

C. D. Sarris, "Finite-Difference Time-Domain (FDTD) modeling of metamaterial structures", lecture at the NSF Institute for Computational and Experimental Research in Mathematics (ICERM), 2019.

A. J. Kogon and C. D. Sarris, "An Expedient Approach to FDTD-Based Modeling of Finite Periodic Structures," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 2, pp. 1192-1204, Feb. 2021.

D. Li and C. D. Sarris, "Efficient Finite-Difference Time-Domain Modeling of Driven Periodic Structures and Related Microwave Circuit Applications," in IEEE Transactions on Microwave Theory and Techniques, vol. 56, no. 8, pp. 1928-1937, Aug. 2008.

T. Kokkinos, C. D. Sarris and G. V. Eleftheriades, "Periodic FDTD analysis of leaky-wave structures and applications to the analysis of negative-refractive-index leaky-wave antennas," in IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 4, pp. 1619-1630, June 2006.

T. Kokkinos, C. D. Sarris and G. V. Eleftheriades, "Periodic finite-difference time-domain analysis of loaded transmission-line negative-refractive-index metamaterials," in IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 4, pp. 1488-1495.

S. Bakirtzis, X. Zhang and C. D. Sarris, "Stochastic Modeling of Wave Propagation in Waveguides With Rough Surface Walls," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 1, pp. 500-508, Jan. 2021.

K. -A. Liu and C. D. Sarris, "Efficient Computation of High-Order Electromagnetic Field Derivatives for Multiple Design Parameters in FDTD," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 10, pp. 4069-4083, Oct. 2019.

K. -A. Liu, H. -D. Lang and C. D. Sarris, "Computation of High-Order Electromagnetic Field Sensitivities With FDTD and the Complex-Step Derivative Approximation," in IEEE Transactions on Antennas and Propagation, vol. 67, no. 6, pp. 3974-3986, June 2019.

A. C. M. Austin and C. D. Sarris, "Efficient Analysis of Geometrical Uncertainty in the FDTD Method Using Polynomial Chaos With Application to Microwave Circuits," in IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 12, pp. 4293-4301, Dec. 2013.

A. C. M. Austin, N. Sood, J. Siu and C. D. Sarris, "Application of Polynomial Chaos to Quantify Uncertainty in Deterministic Channel Models," in IEEE Transactions on Antennas and Propagation, vol. 61, no. 11, pp. 5754-5761, Nov. 2013.

H. -D. Lang, A. Ludwig and C. D. Sarris, "Convex Optimization of Wireless Power Transfer Systems With Multiple Transmitters," in IEEE Transactions on Antennas and Propagation, vol. 62, no. 9, pp. 4623-4636, Sept. 2014.

H. -D. Lang and C. D. Sarris, "Semidefinite Relaxation-Based Optimization of Multiple-Input Wireless Power Transfer Systems," in IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 11, pp. 4294-4306, Nov. 2017.

H. -D. Lang and C. D. Sarris, "Optimization of Wireless Power Transfer Systems Enhanced by Passive Elements and Metasurfaces," in IEEE Transactions on Antennas and Propagation, vol. 65, no. 10, pp. 5462-5474, Oct. 2017.