6 papers
Capacity Bounds and High-SNR Characterization for MIMO-OWC Channels Under Average-Power Constraint
Sufang Yang, Liang Xia, Longguang Li +7
This paper investigates the capacity of multipleinput multiple-output (MIMO) optical wireless communication (OWC) channels under a total average-power constraint. Since different n…
Secrecy Capacity Analysis and Beamforming Optimization for MIMO-VLC Wiretap Channels
Sufang Yang, Longguang Li, Jintao Wang +5
This paper investigates a multiple-input multipleoutput (MIMO) visible light communication (VLC) wiretap channel consisting of a transmitter, a legitimate receiver, and an eavesdro…
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…
On the Capacity Region of Optical Intensity Broadcast Channels
Sufang Yang, Longguang Li, Jintao Wang
This paper investigates the capacity region of the optical intensity broadcast channels (OI-BCs), where the input is subject to a peak-intensity constraint, an average-intensity co…
Tradeoff between Diversity and Multiplexing Gains in Block Fading Optical Wireless Channels
Sufang Yang, Longguang Li, Haoyue Tang +1
The diversity-multiplexing tradeoff (DMT) provides a fundamental performance metric for different multiple-input multiple-output (MIMO) schemes in wireless communications. In this…