5 papers
Preconditioned Conjugate Gradient for MIMO-AFDM System
Jun Zhu, Yin Xu, Dazhi He +3
Affine frequency division multiplexing (AFDM) is a promising chirp-assisted multicarrier waveform for future high mobility communications. A significant challenge in MIMO-AFDM syst…
Efficient Precoding in XL-MIMO-AFDM System
Jun Zhu, Yin Xu, Dazhi He +5
This paper explores the potential of affine frequency division multiplexing (AFDM) to mitigate the multiuser interference (MUI) problem by employing time-domain precoding in extrem…
Fluid Antenna System Empowering 5G NR
Hanjiang Hong, Kai-Kit Wong, Haoyang Li +5
Fluid antenna system (FAS) is an emerging technology that uses the new form of shape- and position-reconfigurable antennas to empower the physical layer for wireless communications…
PAPR Reduction with Pre-chirp Selection for Affine Frequency Division Multiplexing
Haozhi Yuan, Yin Xu, Xinghao Guo +5
Affine frequency division multiplexing (AFDM) is a promising new multicarrier technique for high-mobility communications based on discrete affine Fourier transform (DAFT). By prope…
Decentralized Hybrid Precoding for Massive MU-MIMO ISAC
Jun Zhu, Yin Xu, Dazhi He +3
Integrated sensing and communication (ISAC) is a very promising technology designed to provide both high rate communication capabilities and sensing capabilities. However, in Massi…