6 papers
Intelligent Metasurface-Enabled Integrated Sensing and Communication: Unified Framework and Key Technologies
Shunyu Li, Tianqi Mao, Guangyao Liu +6
As the demand for ubiquitous connectivity and high-precision environmental awareness grows, integrated sensing and communication (ISAC) has emerged as a key technology for sixth-ge…
NEFT: A Unified Transformer Framework for Efficient Near-Field CSI Feedback in XL-MIMO Systems
Tianqi Mao, Haiyang Li, Shufeng Tan +8
Extremely large-scale multiple-input multiple-output (XL-MIMO) systems, operating in the near-field region due to their massive antenna arrays, are key enablers of next-generation…
Rate Optimization for Downlink URLLC via Pinching Antenna Arrays
Tong Lin, Jianyue Zhu, Wei Huang +2
This work studies an ultra-reliable and low-latency communications (uRLLC) downlink system using pinching antennas which are realized by activating small dielectric particles along…
Secure Transmission for Cell-Free Symbiotic Radio Communications with Movable Antenna: Continuous and Discrete Positioning Designs
Bin Lyu, Jiayu Guan, Meng Hua +3
In this paper, we study a movable antenna (MA) empowered secure transmission scheme for reconfigurable intelligent surface (RIS) aided cell-free symbiotic radio (SR) system. Specif…
Near-Field ISAC for THz Wireless Systems
Fan Zhang, Tianqi Mao, Mingkun Li +4
Sixth-generation (6G) wireless networks are expected not only to provide high-speed connectivity but also to support reliable sensing capabilities, giving rise to the integrated se…
Active RIS Enabled NLoS LEO Satellite Communications: A Three-timescale Optimization Framework
Ziwei Liu, Junyan He, Shanshan Zhao +4
In this letter, we study an active reconfigurable intelligent surfaces (RIS) assisted Low Earth orbit (LEO) satellite communications under non-line-of-sight (NLoS) scenarios, where…