11 papers
OFDM-ISAC Beyond CP Limit: Performance Analysis and Mitigation Algorithms
Peishi Li, Ming Li, Rang Liu +2
Orthogonal frequency division multiplexing (OFDM) is well-suited for integrated sensing and communications (ISAC), yet its cyclic prefix (CP) is dimensioned for communications-grad…
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…
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…
Reconfigurable Antenna Arrays: Bridging Electromagnetics and Signal Processing
Mengzhen Liu, Ming Li, Rang Liu +2
Reconfigurable antennas (RAs), capable of dynamically adapting their radiation patterns, polarization states, and operating frequencies, have emerged as a promising technology to m…
Impact of Insufficient CP on Sensing Performance in OFDM-ISAC Systems
Peishi Li, Rang Liu, Qian Liu +1
Orthogonal frequency-division multiplexing (OFDM) is widely considered a leading waveform candidate for integrated sensing and communication (ISAC) in 6G networks. However, the cyc…