Sirani M. Perera

30 papers A* 1B 1Journal 23Unranked 4
YearRankTypeTitle / Venue / Authors
2026 J jnl
A low-complexity algorithm to digitally uncouple the mutual coupling effect in antenna arrays via symmetric Toeplitz matrices.
J. Comput. Appl. Math.
Sirani M. Perera, Levi E. Lingsch, Arjuna Madanayake, Leonid Belostotski
2026 J jnl
Fully Convolutional Spatiotemporal Learning for Microstructure Evolution Prediction.
CoRR
Michael Trimboli, Mohammed Alsubaie, Sirani M. Perera, Ke-Gang Wang, Xianqi Li
2025 J jnl
A Fast True Time-Delay Wideband Multi-Beam Beamforming Algorithm Based on a 16-Beam Approximate-DVM.
IEEE Access
Sirani M. Perera, Levi E. Lingsch, Alp Tuztas, Arjuna Madanayake
2025 J jnl
A Low-complexity Structured Neural Network Approach to Intelligently Realize Wideband Multi-beam Beamformers.
CoRR
Hansaka Aluvihare, Sivakumar Sivasankar, Xianqi Li, Arjuna Madanayake, Sirani M. Perera
2025 J jnl
A Low-complexity Structured Neural Network to Realize States of Dynamical Systems.
CoRR
Hansaka Aluvihare, Levi E. Lingsch, Xianqi Li, Sirani M. Perera
2025 J jnl
A Reduced-Complexity Trajectory Generation Algorithm for Three-Body Regimes With Minimum Predefined Data.
IEEE Trans. Aerosp. Electron. Syst.
Brian Baker-McEvilly, Hansaka Aluvihare, Sirani M. Perera, David Canales
2025 J jnl
Conditional Denoising Diffusion Model-Based Robust MR Image Reconstruction from Highly Undersampled Data.
CoRR
Mohammed Alsubaie, Wenxi Liu, Linxia Gu, Ovidiu C. Andronesi, Sirani M. Perera, Xianqi Li
2025 B conf
Explainable AI for Spectrum Sensing.
ICCCN
Varun Magotra, Sirani M. Perera, Arjuna Madanayake, Houbing Herbert Song
2024 — conf
A Low-Complexity LSTM Network to Realize Multibeam Beamforming.
WiSEE
Hansaka Aluvihare, Carina Shanahan, Sirani M. Perera, Sivakumar Sivasankar, Umesha Kumarasiri, Arjuna Madanayake, Xianqi Li
2024 A* conf
Beyond Regular Grids: Fourier-Based Neural Operators on Arbitrary Domains.
ICML
Levi E. Lingsch, Mike Yan Michelis, Emmanuel de Bézenac, Sirani M. Perera, Robert K. Katzschmann, Siddhartha Mishra
2024 J jnl
Thiran Filters for Wideband DSP-Based Multi-Beam True Time Delay RF Sensing Applications.
Sensors
Sirani M. Perera, Gayani Rathnasekara, Arjuna Madanayake
2024 — conf
Wideband Digital $N$ -Beam Delay-Sum Apertures at $\mathcal{O}(N)$ Complexity: Towards 64 GS/s 8-Beams on Intel Agilex-9 Direct-RF Chiplets.
RFID-TA
Sirani M. Perera, Arjuna Madanayake
2023 J jnl
Vandermonde Neural Operators.
CoRR
Levi E. Lingsch, Mike Yan Michelis, Sirani M. Perera, Robert K. Katzschmann, Siddhartha Mishra
2022 J jnl
A Fast DVM Algorithm for Wideband Time-Delay Multi-Beam Beamformers.
IEEE Trans. Signal Process.
Sirani M. Perera, Levi E. Lingsch, Arjuna Madanayake, Soumyajit Mandal, Nicola Mastronardi
2022 J jnl
Efficient and Self-Recursive Delay Vandermonde Algorithm for Multi-Beam Antenna Arrays.
CoRR
Sirani M. Perera, Arjuna Madanayake, Renato J. Cintra
2022 J jnl
Radix-2 Self-Recursive Sparse Factorizations of Delay Vandermonde Matrices for Wideband Multi-Beam Antenna Arrays.
CoRR
Sirani M. Perera, Arjuna Madanayake, Renato J. Cintra
2021 J jnl
A Fast Algorithm to Solve Delay Vandermonde Systems in Phased-Array Digital Receivers.
IEEE Trans. Aerosp. Electron. Syst.
Sirani M. Perera, Arjuna Madanayake, Austin Ogle, Daniel Silverio, Jacky Qi Huang
2021 J jnl
Low-Complexity Scaling Methodsfor DCT-II Approximations.
IEEE Trans. Signal Process.
Diego F. G. Coelho, Renato J. Cintra, Arjuna Madanayake, Sirani M. Perera
2021 J jnl
Low-complexity Scaling Methods for DCT-II Approximations.
CoRR
Diego F. G. Coelho, Renato J. Cintra, Arjuna Madanayake, Sirani M. Perera
2021 J jnl
Sparse Matrix Based Low-Complexity, Recursive, and Radix-2 Algorithms for Discrete Sine Transforms.
IEEE Access
Sirani M. Perera, Levi E. Lingsch
2020 J jnl
Complexity reduction, self/completely recursive, radix-2 DCT I/IV algorithms.
J. Comput. Appl. Math.
Sirani M. Perera, Jianhua Liu
2020 J jnl
Radix-2 Self-Recursive Sparse Factorizations of Delay Vandermonde Matrices for Wideband Multi-Beam Antenna Arrays.
IEEE Access
Sirani M. Perera, Arjuna Madanayake, Renato J. Cintra
2019 J jnl
Design and Digital Implementation of Fast and Recursive DCT II-IV Algorithms.
Circuits Syst. Signal Process.
Sirani M. Perera, Arjuna Madanayake, Nathan Dornback, Nilan Udayanga
2019 — conf
Efficient Split-Radix and Radix-4 DCT Algorithms and Applications.
SEA²
Sirani M. Perera, Daniel Silverio, Austin Ogle
2018 J jnl
Lowest Complexity Self-Recursive Radix-2 DCT II/III Algorithms.
SIAM J. Matrix Anal. Appl.
Sirani M. Perera, Jianhua Liu
2018 J jnl
Wideband N-Beam Arrays Using Low-Complexity Algorithms and Mixed-Signal Integrated Circuits.
IEEE J. Sel. Top. Signal Process.
Sirani M. Perera, Viduneth Ariyarathna, Nilan Udayanga, Arjuna Madanayake, Ge Wu, Leonid Belostotski, Yingying Wang, Soumyajit Mandal, Renato J. Cintra, Theodore S. Rappaport
2017 — conf
Design of a low-complexity wideband analog true-time-delay 5-beam array in 65nm CMOS.
MWSCAS
Arjuna Madanayake, Viduneth Ariyarathna, Nilan Udayanga, Leonid Belostotski, Sirani M. Perera, Renato J. Cintra
2017 — ch.
Using Model-Based Learning to Promote Computational Thinking Education.
Emerging Research, Practice, and Policy on Computational Thinking
Hong P. Liu, Sirani M. Perera, Jerry W. Klein
2016 J jnl
Signal Flow Graph Approach to Efficient DST I-IV Algorithms.
CoRR
Sirani M. Perera
2014 J jnl
A Fast Algorithm for the Inversion of Quasiseparable Vandermonde-like Matrices.
CoRR
Sirani M. Perera, Grigory Bonik, Vadim Olshevsky