15 papers
RIS-Enabled Energy-Efficient ISAC for Vehicular Applications
Shengyu Yang, Yuhan Wang, Shuhao Zeng +3
By incorporating integrated sensing and communication (ISAC) into vehicle-to-infrastructure (V2I) networks, roadside units (RSUs) can support data transmission while providing addi…
Theoretical Analysis of Diffusion Models for Radio Map Estimation with Ultra-low Sampling Rates
Zhiyuan Liu, Qingyu Liu, Shuhang Zhang +2
Radio maps, which characterize the spatial distribution of radio frequency metrics such as received signal strength, are essential for a wide range of wireless applications. The pr…
Holographic Beamforming for Semantic Communication
Shuhao Zeng, Haobo Zhang, Su Wang +5
Holographic beamforming enabled by metamaterial antennas has been proposed to facilitate spatial multiplexing at low hardware cost and low power consumption. However, existing holo…
Hybrid Digital and Analog Airy Beamforming for Near-Field Multi-User Communications
Shupei Zhang, Boya Di, Lingyang Song
The demands for high data rates in 6G networks have driven the transition toward higher frequencies and larger antenna apertures, giving rise to the near-field communications. In t…
Holographic Airy Beamforming: Curved Trajectory Optimization for Blockage-Resilient Terahertz Communications
Xinyuan Hu, Boya Di, Lingyang Song
Terahertz communication offers vast bandwidth for high-speed transmission in the 6G networks but faces severe blockage challenges in the near-field region due to large antenna arra…
Holographic Surface Enabled Integrated Sensing and Communications
Haobo Zhang, Shuhao Zeng, Xinyuan Hu +12
Integrated sensing and communications (ISAC) is an essential 6G capability for joint data transmission and environmental sensing. To support 6G scenarios with stringent ISAC perfor…