7 papers
Doppler Shift Keying Modulation for Uplink Multiple Access over Doubly-Dispersive Channels
Xuehan Wang, Jintao Wang, Hai Lin +4
The delay-Doppler (DD) domain modulation has been regarded as one of the most competitive candidates to support wireless communications for emerging high-mobility applications in t…
RSMA-Assited and Transceiver-Coordinated ICI Management for MIMO-OFDM System
Hengyu Zhang, Xuehan Wang, Xu Shi +2
High-mobility scenarios are becoming increasingly critical in next-generation communication systems. While multiple-input multiple-output orthogonal frequency division multiplexing…
Leveraging Channel Knowledge Map for Multi-User Hierarchical Beam Training Under Position Uncertainty
Xu Shi, Haohan Wang, Yashuai Cao +3
Channel knowledge map (CKM) emerges as a promising framework to acquire location-specific channel information without consuming wireless resources, creating new horizons for advanc…
BeamCKM: A Framework of Channel Knowledge Map Construction for Multi-Antenna Systems
Haohan Wang, Xu Shi, Hengyu Zhang +4
The channel knowledge map (CKM) enables efficient construction of high-fidelity mapping between spatial environments and channel parameters via electromagnetic information analysis…
Data-Driven Modulation Optimization with LMMSE Equalization for Reliability Enhancement in Underwater Acoustic Communications
Xuehan Wang, Hengyu Zhang, Jintao Wang +2
Ultra-reliable underwater acoustic (UWA) communications serve as one of the key enabling technologies for future space-air-ground-underwater integrated networks. However, the relia…
Beamforming-Codebook-Aware Channel Knowledge Map Construction for Multi-Antenna Systems
Haohan Wang, Xu Shi, Hengyu Zhang +2
Channel knowledge map (CKM) has emerged as a crucial technology for next-generation communication, enabling the construction of high-fidelity mappings between spatial environments…