Author

K. Joshi

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Preprint Sep 2026

Lightweight CFR-Based Modulation Adaptation in a Real-Time MIMO-OFDM SDR Testbed

The results show that compact BS-side CFR descriptors provide more discriminative information than the available scalar BS-side SNR while remaining suitable for lightweight SDR implementation.

Luca Borst, Maryam Ansarifard, Ankith Vinayachandran et al. · 0 citations

Jul 2026

System-Aware Adaptive CSI Feedback via RL-Guided Autoencoder Switching in Multi-User MIMO System

A reinforcement learning (RL)-driven control framework that operates over a bank of pretrained multi-rate AEs, each corresponding to a distinct compression ratio (CR), aiming to dynamically optimize the trade-off between reconstruction fidelity and signaling overhead.

Maryam Ansarifard, M. Sharma, Georgios Exarchakos et al. · arXiv.org · 0 citations