activity
20242026
most citedDownlink OFDM-FAMA in 5G-NR Systems

19 citations · 19 across the 14 of their papers we have counts for

collaborators

15 papers

cs.IT2026

Learned Blockwise Port Activation for Real Time Beamforming in Fluid Antenna Arrays

Yuanhui Wu, Zhentian Zhang, Hanjiang Hong +5

Fluid antenna arrays (FAAs), support multiuser downlink transmission by activating a subset of reconfigurable ports. The activation mask jointly determines the effective channel an…

cs.IT2026

Spatial Semantic Communication: When Semantic Transmission Meets Index Modulation

Xinghao Guo, Yin Xu, Dazhi He +5

Current digital semantic communication systems have primarily focused on maintaining compatibility with conventional constellation-based modulation. In contrast, index modulation (…

cs.IT2026

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…

eess.SP2026

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…

eess.SP2026

SSB-Based Sensing-Assisted Robust Beamforming for High-Mobility UAV Communications in LAWN

Aimin Tang, Shuhan Wang, Yin Xu +1

High-mobility uncrewed aerial vehicle (UAV) communications in low-altitude wireless networks (LAWN) demand reliable beamforming, while conventional feedback-based schemes suffer fr…

eess.SP2025

MA-Aided Hierarchical Hybrid Beamforming for Multi-User Wideband Beam Squint Mitigation

Cixiao Zhang, Yin Xu, Xinghao Guo +3

In wideband near-field arrays, frequency-dependent array responses cause wavefronts at different frequencies to deviate from that at the center frequency, producing beam squint and…

eess.SP2025

Preconditioned Conjugate Gradient for MIMO-AFDM System

Jun Zhu, Yin Xu, Dazhi He +3

Affine frequency division multiplexing (AFDM) is a promising chirp-assisted multicarrier waveform for future high mobility communications. A significant challenge in MIMO-AFDM syst…

cs.IT2025

Fluid Antenna-Empowered Receive Spatial Modulation

Xinghao Guo, Yin Xu, Dazhi He +6

Fluid antenna (FA), as an emerging antenna technology, fully exploits spatial diversity. This paper integrates FA with the receive spatial modulation (RSM) scheme and proposes a no…

cs.IT2025

Movable Antenna Aided Full-Duplex ISAC System with Self-Interference Mitigation

Size Peng, Yin Xu, Guanli Yi +3

Movable antenna (MA) has shown significant potential for improving the performance of integrated sensing and communication (ISAC) systems. In this paper, we model an MA-aided ISAC…

cs.IT2025

Fluid Antenna-Aided Robust Secure Transmission for RSMA-ISAC Systems

Cixiao Zhang, Yin Xu, Size Peng +5

This paper leverages fluid antenna (FA) and rate-splitting multiple access (RSMA) to enhance the physical layer security (PLS) of an integrated sensing and communication (ISAC) sys…

cs.DC2025

Efficient Precoding in XL-MIMO-AFDM System

Jun Zhu, Yin Xu, Dazhi He +5

This paper explores the potential of affine frequency division multiplexing (AFDM) to mitigate the multiuser interference (MUI) problem by employing time-domain precoding in extrem…

cs.IT2025★ 19 cited

Downlink OFDM-FAMA in 5G-NR Systems

Hanjiang Hong, Kai-Kit Wong, Hao Xu +5

Fluid antenna multiple access (FAMA), enabled by the fluid antenna system (FAS), offers a new and straightforward solution to massive connectivity. Previous results on FAMA were pr…

cs.IT2024

Fluid Antenna Index Modulation for MIMO Systems: Robust Transmission and Low-Complexity Detection

Xinghao Guo, Yin Xu, Dazhi He +5

The fluid antenna (FA) index modulation (IM)-enabled multiple-input multiple-output (MIMO) system, referred to as FA-IM, significantly enhances spectral efficiency (SE) compared to…

cs.IT2024

Sum Rate Maximization for Movable Antenna-Aided Downlink RSMA Systems

Cixiao Zhang, Size Peng, Yin Xu +5

Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ succ…

cs.IT2024

Joint Antenna Position and Beamforming Optimization with Self-Interference Mitigation in MA-ISAC System

Size Peng, Cixiao Zhang, Yin Xu +4

Movable antennas (MAs) have demonstrated significant potential in enhancing the performance of integrated sensing and communication (ISAC) systems. However, the application in the…