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Near-field Channel Estimation for XL-RIS-aided mmWave MIMO Systems
Erkang Dong, Taihao Zhang, Cunhua Pan +2
Extremely large-scale reconfigurable intelligent surfaces (XL-RISs) have emerged as a promising technology for millimeter-wave (mmWave) communications. However, the exceedingly lar…
A Framework for Uplink ISAC Receiver Designs: Performance Analysis and Algorithm Development
Zhiyuan Yu, Hong Ren, Cunhua Pan +3
Uplink integrated sensing and communication (ISAC) systems have recently emerged as a promising research direction, enabling simultaneous uplink signal detection and target sensing…
Tensor Train Decomposition-based Channel Estimation for MIMO-AFDM Systems with Fractional Delay and Doppler
Ruizhe Wang, Cunhua Pan, Hong Ren +2
Affine Frequency Division Multiplexing (AFDM) has emerged as a promising chirp-based multicarrier technology for high-speed communication systems. To fully exploit the diversity ga…
A Cyclic Shift Embedded Pilot based Channel Estimation for Multi-User MIMO-OTFS systems with fractional delay and Doppler
Ruizhe Wang, Hong Ren, Cunhua Pan +2
Orthogonal time frequency space (OTFS) modulation has been proposed to meet the demand for reliable communication in high-mobility scenarios for future wireless networks. However,…
Location-Aided Distributed Beamforming for Near-Field Communications with Element-Wise RIS
Xiao Zheng, Wenchi Cheng, Jingqing Wang +2
Active reconfigurable intelligent surface (RIS) emerges as an effective technique to resist the double-fading attenuation of passive RIS. By embedding with power harvesting functio…
Joint Waveform Design for MIMO-OFDM DFRC Systems
Tianchen Liu, Yifei Liu, Liang Wu +4
Dual-functional radar-communication (DFRC) has attracted considerable attention. This paper considers the frequency-selective multipath fading environment and proposes DFRC wavefor…