19 citations · 20 across the 34 of their papers we have counts for
36 papers
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…
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 (…
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…
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…
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…
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…
AI2MMUM: AI-AI Oriented Multi-Modal Universal Model Leveraging Telecom Domain Large Model
Tianyu Jiao, Zhuoran Xiao, Yihang Huang +9
Designing a 6G-oriented universal model capable of processing multi-modal data and executing diverse air interface tasks has emerged as a common goal in future wireless systems. Bu…
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…
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…
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…
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…
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…
Decentralized Hybrid Precoding for Massive MU-MIMO ISAC
Jun Zhu, Yin Xu, Dazhi He +3
Integrated sensing and communication (ISAC) is a very promising technology designed to provide both high rate communication capabilities and sensing capabilities. However, in Massi…
Soft-Output Fast Successive-Cancellation List Decoder for Polar Codes
Li Shen, Yongpeng Wu, Yin Xu +3
The soft-output successive cancellation list (SOSCL) decoder provides a methodology for estimating the a-posteriori probability log-likelihood ratios by only leveraging the convent…
Fluid Antenna Grouping Index Modulation Design for MIMO Systems
Xinghao Guo, Yin Xu, Dazhi He +3
Index modulation (IM) significantly enhances the spectral efficiency of fluid antennas (FAs) enabled multiple-input multiple-output (MIMO) systems, which is named FA-IM. However, d…
PAPR Reduction with Pre-chirp Selection for Affine Frequency Division Multiplexing
Haozhi Yuan, Yin Xu, Xinghao Guo +5
Affine frequency division multiplexing (AFDM) is a promising new multicarrier technique for high-mobility communications based on discrete affine Fourier transform (DAFT). By prope…
Detecting Abrupt Change of Channel Covariance Matrix in IRS-Assisted Communication
Runnan Liu, Liang Liu, Yin Xu +3
The knowledge of channel covariance matrices is crucial to the design of intelligent reflecting surface (IRS) assisted communication. However, channel covariance matrices may chang…
Capacity-based Spatial Modulation Constellation and Pre-scaling Design
Xinghao Guo, Hanjiang Hong, Yin Xu +3
Spatial Modulation (SM) can utilize the index of the transmit antenna (TA) to transmit additional information. In this paper, to improve the performance of SM, a non-uniform conste…
RIS-Aided Receive Generalized Spatial Modulation Design with Reflecting Modulation
Xinghao Guo, Yin Xu, Hanjiang Hong +5
Spatial modulation (SM) transmits additional information bits by the selection of antennas. Generalized spatial modulation (GSM), as an advanced type of SM, can be divided into div…
CDDM: Channel Denoising Diffusion Models for Wireless Semantic Communications
Tong Wu, Zhiyong Chen, Dazhi He +4
Diffusion models (DM) can gradually learn to remove noise, which have been widely used in artificial intelligence generated content (AIGC) in recent years. The property of DM for e…
Communication-Efficient Framework for Distributed Image Semantic Wireless Transmission
Bingyan Xie, Yongpeng Wu, Yuxuan Shi +2
Multi-node communication, which refers to the interaction among multiple devices, has attracted lots of attention in many Internet-of-Things (IoT) scenarios. However, its huge amou…
Joint Device Identification, Channel Estimation, and Signal Detection for LEO Satellite-Enabled Random Access
Boxiao Shen, Yongpeng Wu, Wenjun Zhang +2
This paper investigates joint device identification, channel estimation, and signal detection for LEO satellite-enabled grant-free random access, where a multiple-input multipleout…
R-PMAC: A Robust Preamble Based MAC Mechanism Applied in Industrial Internet of Things
Kai Song, Biqian Feng, Yongpeng Wu +2
This paper proposes a novel media access control (MAC) mechanism, called the robust preamble-based MAC mechanism (R-PMAC), which can be applied to power line communication (PLC) ne…
Fusion-Based Multi-User Semantic Communications for Wireless Image Transmission over Degraded Broadcast Channels
Tong Wu, Zhiyong Chen, Meixia Tao +2
Degraded broadcast channels (DBC) are a typical multi-user communications scenario. There exist classic transmission methods, such as superposition coding with successive interfere…