7 papers
Flexible FTN-Aided OTFS Modulation for High-Mobility LEO Satellite-to-Ground Communications
Chaorong Zhang, Benjamin K. Ng, Hui Xu +3
In low Earth orbit (LEO) satellite communications, the link quality fluctuates drastically during a satellite pass, exhibiting a wide dynamic range from the horizon to the zenith.…
RIS-Empowered OTFS Modulation With Faster-than-Nyquist Signaling in High-Mobility Wireless Communications
Chaorong Zhang, Benjamin K. Ng, Hui Xu +2
High-mobility wireless communication systems suffer from severe Doppler spread and multi-path delay, which degrade the reliability and spectral efficiency of conventional modulatio…
From Reliability to Security: How RIS-Assisted Adaptive SM and SSK Enhances Wireless Systems
Chaorong Zhang, Benjamin K. Ng, Ke Wang +2
This paper proposes two novel wireless transmission schemes, namely reconfigurable intelligent surface (RIS)-assisted received adaptive spatial modulation (RASM) scheme and RIS-ass…
RIS-Assisted Received Adaptive Spatial Modulation for Wireless Communications
Chaorong Zhang, Hui Xu, Benjamin K. Ng +2
A novel wireless transmission scheme, as named the reconfigurable intelligent surface (RIS)-assisted received adaptive spatial modulation (RASM) scheme, is proposed in this paper.…
Computational Complexity-Constrained Spectral Efficiency Analysis for 6G Waveforms
Saulo Queiroz, João P. Vilela, Benjamin Koon Kei Ng +2
In this work, we present a tutorial on how to account for the computational time complexity overhead of signal processing in the spectral efficiency (SE) analysis of wireless wavef…
Maximum Channel Coding Rate of Finite Block Length MIMO Faster-Than-Nyquist Signaling
Zichao Zhang, Melda Yuksel, Halim Yanikomeroglu +2
The pursuit of higher data rates and efficient spectrum utilization in modern communication technologies necessitates novel solutions. In order to provide insights into improving s…