no code implementations • 1 Jun 2024 • Hongkang Yu, Yuan Si, Shujuan Zhang, Yijian Chen
Extremely large antenna arrays (ELAAs) can provide higher spectral efficiency.
no code implementations • 28 Apr 2024 • Yuan Si, Hongkang Yu, Yijian Chen
Unfortunately, the use of narrower beams for data transmission results in a substantial increase in the cost of beam training.
no code implementations • 24 May 2022 • Yiru Wang, Pengxin Guan, Hongkang Yu, Yuping Zhao
By jointly designing the active beamforming of two multi-antenna sources and passive beamforming of RIS, we aim to maximize the energy efficiency of the system, where extra self-interference cancellation power consumption in FD system is also considered.
no code implementations • 9 May 2022 • Hongkang Yu, Xinquan Ye, Yijian Chen
In the cell-free massive multiple-input multiple-output (CF mMIMO) system, the centralized transmission scheme is widely adopted to manage the inter-user interference.
no code implementations • 14 Mar 2022 • Pengxin Guan, Yiru Wang, Hongkang Yu, Yuping Zhao
The penalty-based method is used to design passive beamforming at the STAR-RIS.
no code implementations • 10 Mar 2022 • Yiru Wang, Pengxin Guan, Hongkang Yu, Yuping Zhao
This work demonstrates the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) in Full-Duplex (FD) aided communication system.
no code implementations • 18 Jan 2021 • Hongkang Yu, Pengxin Guan, Yiru Wang, Yuping Zhao
Beamforming technology is widely used in millimeter wave systems to combat path losses, and beamformers are usually selected from a predefined codebook.
