Rang Liu
59 papers 402 citations h-index 6 2018–2026
Channel Estimation with Reconfigurable Intelligent Surfaces -- A General Framework
Optimally extracting the advantages available from reconfigurable intelligent surfaces (RISs) in wireless communications systems requires estimation of the channels to and from the RIS. The...
Sparsity Exploitation via Joint Receive Processing and Transmit Beamforming Design for MIMO-OFDM ISAC Systems
Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the...
Joint BS-RIS-User Association and Beamforming Design for RIS-assisted Cellular Networks
Reconfigurable intelligent surface (RIS) is a revolutionary technology for sixth-generation (6G) networks owing to its ability to manipulate wireless environments. As a frequency-selective device,...
Low-Complexity Designs of Symbol-Level Precoding for MU-MISO Systems
Symbol-level precoding (SLP), which converts the harmful multi-user interference (MUI) into beneficial signals, can significantly improve symbol-error-rate (SER) performance in multi-user...
Joint Beamforming Design in DFRC Systems for Wideband Sensing and OFDM Communications
Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and...
Deep Learning based Efficient Symbol-Level Precoding Design for MU-MISO Systems
The recently emerged symbol-level precoding (SLP) technique has been regarded as a promising solution in multi-user wireless communication systems, since it can convert harmful multi-user...