Author

Aadesh Madnaik

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Book Open access Oct 2026

Demo: Frequency-Shifting RIS for Multi-User mmWave OFDMA

Millimeter-wave (mmWave) networks suffer from two practical limitations: blockage often leaves clients in non-line-of-sight (NLoS) conditions, and client radios support much smaller instantaneous bandwidth than a base station. We demonstrate Mirage, a custom space-time-coded reconfigurable intelligent surface (RIS) tha...

Aadesh Madnaik, Karthikeyan Sundaresan · Proceedings of the 32nd Annu... · 0 citations

Open access Sep 2026

EaZE: Flexible Wideband Time-Delay Beamforming using Passive, 3D Reconfigurable, Wideband Metasurfaces

Enhanced acoustic zones that emphasize acoustic information in desired 3D spatial regions in a contactless manner, are integral to the vision of immersive spaces. Yet, realizing such zones in practice requires catering to wideband audio signals and 3D spatial selectivity in a cost-effective, deployment-friendly manner,...

Alan Liu, Aadesh Madnaik, Cesar Morales et al. · Proceedings of the ACM on In... · 1 citation