3 papers
eess.SP2025
Joint Superimposed Pilot-aided Channel Estimation and Data Detection for FTN Signaling over Doubly-Selective Channels
Simin Keykhosravi, Ebrahim Bedeer
Faster-than-Nyquist (FTN) signaling and superimposed pilot (SP) techniques are effective solutions for significantly enhancing the spectral efficiency (SE) in next-generation wirel…
cs.IT2024
IM-based Pilot-assisted Channel Estimation for FTN Signaling HF Communications
Simin Keykhosravi, Ebrahim Bedeer
This paper investigates doubly-selective (i.e., time- and frequency-selective) channel estimation in faster-than-Nyquist (FTN) signaling HF communications. In particular, we propos…
cs.IT2023
Pilot Design and Doubly-Selective Channel Estimation for Faster-than-Nyquist Signaling
Simin Keykhosravi, Ebrahim Bedeer
Being capable of enhancing the spectral efficiency (SE), faster-than-Nyquist (FTN) signaling is a promising approach for wireless communication systems. This paper investigates the…