Real-time 5.7 GHz Realization of Multidimensional 2D Hybrid Approximate DFT Spectrum Sensors for RF Situational Awareness. - Arjuna Madanayake; Keththura Lawrance; Sivakumar Sivasankar; Umesha Kumarasiri; Buddhipriya Gayanath; Renato J. Cintra; Soumyajit Mandal (MWSCAS, 2024)

A 32-Channel Fully-Digital Adaptive Applebaum Aperture at 5.8 GHz for Array RF Sensing. - Umesha Kumarasiri; Sivakumar Sivasankar; Chamira U. S. Edussooriya; Viduneth Ariyarathna; Arjuna Madanayake (RFID-TA, 2024)

A Low-Complexity LSTM Network to Realize Multibeam Beamforming. - Hansaka Aluvihare; Carina Shanahan; Sirani M. Perera; Sivakumar Sivasankar; Umesha Kumarasiri; Arjuna Madanayake; Xianqi Li (WiSEE, 2024)

Low-Complexity Combined Approximate DFT and Adaptive Beamformer for Extremely Large Arrays. - Arjuna Madanayake; Umesha Kumarasiri; S. Sivasankar; Chamira U. S. Edussooriya; Renato J. Cintra; Chamith Wijenayake (ISCAS, 2025)

Real-Time 5.7-5.8 GHz 32-Beam Approximate Discrete Fourier Transform Spectrum Sensor for RF Perception on Xilinx Sx475T. - Arjuna Madanayake; Umesha Kumarasiri; Sivakumar Sivasankar; Keththura Lawrance; Buddhipriya Gayanath; Hiruni Silva; Soumyajit Mandal; Renato J. Cintra (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)