15 papers
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…
Enabling Large-Scale Channel Sounding for 6G: A Framework for Sparse Sampling and Multipath Component Extraction
Yi Chen, Ming Li, Chong Han
Realizing the 6G vision of artificial intelligence (AI) and integrated sensing and communication (ISAC) critically requires large-scale real-world channel datasets for channel mode…
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…
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…