19 papers
Multiuser MIMO-AFDM Beamforming for ISAC in Doubly Dispersive Channels
Rang Liu, Ming Li, A. Lee Swindlehurst +2
Integrated sensing and communication (ISAC) in high-mobility channels requires waveform and beamforming designs that are robust to delay-Doppler dispersion. With this in mind, in t…
Cooperative OFDM-ISAC Networks: Performance Analysis and Resource Allocation
Shoushuo Zhang, Rang Liu, Qian Liu +1
Cooperative integrated sensing and communication (ISAC) based on orthogonal frequency-division multiplexing (OFDM) enables network-wide sensing by exploiting the spatial diversity…
Clutter Suppression in ISAC Systems with Compound Reconfigurable Antenna Arrays
Mengzhen Liu, Ming Li, Rang Liu +2
Integrated sensing and communication (ISAC) systems often suffer severe performance degradation due to strong clutter echoes, and spatial-only beamforming is often inadequate for r…
Message Passing based Parameter Estimation in Cooperative MIMO-OFDM ISAC Systems
Xiaohan Lv, Rang Liu, Yi Chen +2
In integrated sensing and communication (ISAC) networks, multiple base stations (BSs) collaboratively sense a common target, leveraging diversity from multiple observation perspect…
Tri-timescale Beamforming Design for Tri-hybrid Architectures with Reconfigurable Antennas
Mengzhen Liu, Ming Li, Rang Liu +1
Reconfigurable antennas possess the capability to dynamically adjust their fundamental operating characteristics, thereby enhancing system adaptability and performance. To fully ex…
Graph Learning for Cooperative Cell-Free ISAC Systems: From Optimization to Estimation
Peng Jiang, Ming Li, Rang Liu +1
Cell-free integrated sensing and communication (ISAC) systems have emerged as a promising paradigm for sixth-generation (6G) networks, enabling simultaneous high-rate data transmis…