Orthogonal Frequency Division Multiplexing (OFDM) is a technique used to multiplex a fast signal accross many different slower channels. It is widely used for wireless telecommunications and allows ...

End-to-end OFDM link (TX → channel → RX) with configurable FFT size (64/128/256), CP length, and 16/64-QAM. Pilot-aided channel estimation baselines: LS (+ interpolation) and LMMSE/MMSE (via frequency ...

Abstract: In this letter we apply deep learning tools to conduct channel estimation for an orthogonal frequency division multiplexing (OFDM) system based on downlink pilots. To be specific, a residual ...

Abstract: Millimeter wave (mmWave) channels can provide new frequency bands for communications together with improved accuracy and resolution for sensing and target localization. Those require ...

To guarantee safe train operations and provide passengers with convenience, such as seamless internet service and robust entertainment options, there is an increasing need for high-reliability, ...