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Nikolaos Thomos

2 papers indexed

arxiveess.SP2026-07-09

Adaptive Wavelet Division Multiplexing for Heterogeneous Mobility Users

Seyyed Erfan Fatemi, Wafa Hedhly, Leila Musavian, Nikolaos Thomos

This paper proposes an adaptive wavelet division multiplexing scheme for wireless systems serving users with heterogeneous mobility profiles over frequency-selective Rayleigh fading channels. By exploiting the multiresolution structure of the discrete wavelet transform (DWT), use…

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arxiveess.SP2026-07-09

RSMA-Assisted OFDM-OTFS Hybrid Framework for Mixed-Mobility Multiuser Systems

Wafa Hedhly, Leila Musavian, Nikolaos Thomos

In future 6G vehicular networks, users employing orthogonal frequency division multiplexing (OFDM) and orthogonal time frequency space (OTFS) waveforms may coexist under diverse mobility conditions, where both can experience high-mobility and low-mobility profiles. Since OFDM use…

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