[HTML][HTML] CSI Feedback Model Based on Multi-Source Characterization in FDD Systems

F Pan, X Zhao, B Zhang, P **ang, M Hu, X Gao - Sensors, 2023 - mdpi.com
In wireless communication, to fully utilize the spectrum and energy efficiency of the system, it
is necessary to obtain the channel state information (CSI) of the link. However, in Frequency …