Umesha Kumarasiri

According to our database, Umesha Kumarasiri authored at least 5 papers between 2024 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

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., August, 2025

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

Proceedings of the IEEE International Symposium on Circuits and Systems, 2025

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

Proceedings of the IEEE International Conference on Wireless for Space and Extreme Environments, 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

Proceedings of the IEEE International Conference on RFID Technology and Applications, 2024

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

Proceedings of the 67th IEEE International Midwest Symposium on Circuits and Systems, 2024