6 papers
Scalable GNN-Based Power Allocation for Rate-Splitting Cell-Free Massive MIMO Systems
Ruomeng Wang, Yin Xu, Aimin Tang +5
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems provide enhanced coverage and capacity for next-generation wireless networks. However, CF-mMIMO systems face sig…
MCRB and MSE Analysis for Parameter Estimation in AFDM-ISAC Systems
Tianyao Ma, Aimin Tang, Yin Xu +3
Affine frequency division multiplexing (AFDM) is a promising waveform for integrated sensing and communication (ISAC). In AFDM systems, the complex gains, delays, and Doppler shift…
Low-Complexity Hybrid Precoding for Cell-Free Massive MU-MIMO ISAC Systems
Jun Zhu, Yin Xu, Aimin Tang +4
Integrated sensing and communication (ISAC) in cell-free (CF) massive multi-user multiple-input multiple-output (MU-MIMO) system is a promising architecture for high-rate communica…
SkySense: A Semi-Supervised Generative Framework for UAV Localization in ISAC Networks
Shenghan Luo, Yin Xu, Jie Yang +4
Extreme data scarcity and inherent multipath spatial ambiguity severely limit existing deep learning-based channel state information (CSI) fingerprinting localization schemes for t…
Low-Complexity Soft-Feedback Detector for AFDM Systems
Taohe Chen, Yin Xu, Tianyao Ma +4
Affine frequency division multiplexing (AFDM), an emerging multi-carrier modulation scheme, has garnered significant attention due to its resilience to Doppler shifts and capabilit…
Low-Latency Terrestrial Interference Detection for Satellite-to-Device Communications
Runnan Liu, Weifeng Zhu, Shu Sun +1
Direct satellite-to-device communication is a promising future direction due to its lower latency and enhanced efficiency. However, intermittent and unpredictable terrestrial inter…