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cs.IT2025
A Cyclic Shift Embedded Pilot based Channel Estimation for Multi-User MIMO-OTFS systems with fractional delay and Doppler
Ruizhe Wang, Hong Ren, Cunhua Pan +2
Orthogonal time frequency space (OTFS) modulation has been proposed to meet the demand for reliable communication in high-mobility scenarios for future wireless networks. However,…
cs.IT2024★ 1 cited
Channel Estimation for mmWave MIMO-OFDM Systems in High-Mobility Scenarios: Instantaneous Model or Statistical Model?
Ruizhe Wang, Hong Ren, Cunhua Pan +3
Classical linear statistical models, like the first-order auto-regressive (AR) model, are commonly used as channel model in high-mobility scenarios. However, compared to sub-6G, th…
cs.IT2022
Robust Transmission Design for RIS-assisted Secure Multiuser Communication Systems in the Presence of Hardware Impairments
Zhangjie Peng, Ruisong Weng, Cunhua Pan +3
This paper investigates reconfigurable intelligent surface (RIS)-assisted secure multiuser communication systems subject to hardware impairments (HIs). We jointly optimize the beam…