5 papers
Wireless Digital Twin Calibration: Refining DFT-Domain Channel Information
Hao Luo, Saeed R. Khosravirad, Ahmed Alkhateeb
Wireless digital twins can be leveraged to provide site-specific synthetic channel information through precise physical modeling and signal propagation simulations. This can help r…
ISAC with Backscattering RFID Tags: Beamforming and Codebook Design
Hao Luo, Umut Demirhan, Ahmed Alkhateeb
This paper explores an integrated sensing and communication (ISAC) system with backscattering RFID tags. In this setup, an access point employs communication beams to serve communi…
Digital Twin Aided Millimeter Wave MIMO: Site-Specific Beam Codebook Learning
Hao Luo, Ahmed Alkhateeb
Learning site-specific beams that adapt to the deployment environment, interference sources, and hardware imperfections can lead to noticeable performance gains in coverage, data r…
Generative Decoding of Compressed CSI for MIMO Precoding Design
Hao Luo, Saeed R. Khosravirad, Ahmed Alkhateeb
Massive MIMO systems can enhance spectral and energy efficiency, but they require accurate channel state information (CSI), which becomes costly as the number of antennas increases…
Digital Twin Aided Massive MIMO CSI Feedback: Exploring the Impact of Twinning Fidelity
Hao Luo, Shuaifeng Jiang, Saeed R. Khosravirad +1
Deep learning (DL) techniques have demonstrated strong performance in compressing and reconstructing channel state information (CSI) while reducing feedback overhead in massive MIM…