9 papers
Efficiency Meets Reliability: Enhanced Generalized Interleaved Transform for Random Multiplexing
Ming Wang, Shufeng Li, Lei Liu +2
To meet the demands of 6G wireless systems operating in high-mobility scenarios, this paper presents a design of a random multiplexing (RM) communication system that is both storag…
Differential Spatial Modulation with Transmit Diversity for Pinching-Antenna Systems
Yiwei Tao, Yao Ge, Dong Li +2
Pinching antenna (PA) systems provide a new spatial degree of freedom by flexible activation of pinching positions. However, the resulting effective channel strongly depends on the…
Flag-Preamble-Based Delay-Doppler Channel Estimation for Next-Evolution Waveforms
Yuan Liu, Yilin Qi, Caiqin Li +3
Accurate delay-Doppler channel estimation is critical for next-evolution waveforms (NEWs) to enable reliable signal detection. This paper proposes a robust channel estimation algor…
Multi-Resolution Codebook Design and Multiuser Interference Management for Discrete XL-RIS-Aided Near-Field MIMO Systems
Qian Zhang, Zheng Dong, Yao Ge +3
Extremely large-scale reconfigurable intelligent surface (XL-RIS) can effectively overcome severe fading and provide higher communication performance. However, current research on…
Optimizing Fluid Antenna Configurations for Constructive Interference Precoding
Wenxuan Sun, Mingjie Shao, Luteng Zhu +3
The fluid antenna system (FAS) has emerged as a new physical-layer concept to provide enhanced propagation conditions for multiuser multiple-input multiple-output (MIMO) communicat…
Generalized Code Index Modulation Aided AFDM for Spread Spectrum Systems
Mi Qian, Fei Ji, Yao Ge +2
The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a s…