Publications (45)
Voxel-FPN: multi-scale voxel feature aggregation in 3D object detection from point clouds
Bei Wang, Jianping An, Jiayan Cao
Object detection in point cloud data is one of the key components in computer vision systems, especially for autonomous driving applications. In this work, we present Voxel-FPN, a…
Unified Analytical Model for Atomic Receivers Under Typical Quantum Interference Paths
Yiyue Xiang, Neng Ye, Qihao Peng +2
Atomic receivers, which leverage the quantum interference termed electromagnetically induced transparency (EIT) for radio-frequency (RF) to optical signal transduction, offer a rev…
Multichannel RSS-based Device-Free Localization with Wireless Sensor Network
Zhenghuan Wang, Heng Liu, Shengxin Xu +2
RSS-based device-free localization (DFL) is a very promising technique which allows localizing the target without attaching any electronic tags in wireless environments. In clutter…
Joint Hybrid and Passive RIS-Assisted Beamforming for MmWave MIMO Systems Relying on Dynamically Configured Subarrays
Chenghao Feng, Wenqian Shen, Jianping An +1
Reconfigurable intelligent surface (RIS) assisted millimeter-wave (mmWave) communication systems relying on hybrid beamforming structures are capable of achieving high spectral eff…
Joint Device Detection, Channel Estimation, and Data Decoding with Collision Resolution for MIMO Massive Unsourced Random Access
Tianya Li, Yongpeng Wu, Mengfan Zheng +5
In this paper, we investigate a joint device activity detection (DAD), channel estimation (CE), and data decoding (DD) algorithm for multiple-input multiple-output (MIMO) massive u…
LEO Satellite-Enabled Grant-Free Random Access with MIMO-OTFS
Boxiao Shen, Yongpeng Wu, Wenjun Zhang +3
This paper investigates joint channel estimation and device activity detection in the LEO satellite-enabled grant-free random access systems with large differential delay and Doppl…
DeViT: Decomposing Vision Transformers for Collaborative Inference in Edge Devices
Guanyu Xu, Zhiwei Hao, Yong Luo +3
Recent years have witnessed the great success of vision transformer (ViT), which has achieved state-of-the-art performance on multiple computer vision benchmarks. However, ViT mode…
Joint Trajectory and Resource Allocation Design for UAV Communication Systems
Ruide Li, Zhiqiang Wei, Lei Yang +4
In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to mul…
Device-free Localization using Received Signal Strength Measurements in Radio Frequency Network
Zhenghuan Wang, Heng Liu, Shengxin Xu +2
Device-free localization (DFL) based on the received signal strength (RSS) measurements of radio frequency (RF)links is the method using RSS variation due to the presence of the ta…
Deep Learning based Channel Extrapolation for Large-Scale Antenna Systems: Opportunities, Challenges and Solutions
Shun Zhang, Yushan Liu, Feifei Gao +3
With the depletion of spectrum, wireless communication systems turn to exploit large antenna arrays to achieve the degree of freedom in space domain, such as millimeter wave massiv…
Random Access with Massive MIMO-OTFS in LEO Satellite Communications
Boxiao Shen, Yongpeng Wu, Jianping An +3
This paper considers the joint channel estimation and device activity detection in the grant-free random access systems, where a large number of Internet-of-Things devices intend t…
NOMA based Calibration for Large-Scale Spaceborne Antenna Arrays
Yujie Lin, Shuai Wang, Xiangyuan Bu +2
In the parallel calibration for transmitting phased arrays, the calibration receiver must separate the signals belonging to different antenna elements to avoid mutual interference.…
AI Generated Signal for Wireless Sensing
Hanxiang He, Han Hu, Xintao Huan +3
Deep learning has significantly advanced wireless sensing technology by leveraging substantial amounts of high-quality training data. However, collecting wireless sensing data enco…
Antenna Array Diagnosis for Millimeter-Wave MIMO Systems
Siqi Ma, Wenqian Shen, Jianping An +1
The densely packed antennas of millimeter-Wave (mmWave) MIMO systems are often blocked by the rain, snow, dust and even by fingers, which will change the channel's characteristics…
On the Secrecy of UAV Systems With Linear Trajectory
Gaofeng Pan, Hongjiang Lei, Jianping An +2
By observing the fact that moving in a straight line is a common flying behavior of unmanned aerial vehicles (UAVs) in normal applications, e.g., power line inspections, and air pa…
Heterogeneous Ultra-Dense Networks with Traffic Hotspots: A Unified Handover Analysis
He Zhou, Haibo Zhou, Jianguo Li +4
With the ever-growing communication demands and the unceasing miniaturization of mobile devices, the Internet of Things is expanding the amount of mobile terminals to an enormous l…
FIS-Nets: Full-image Supervised Networks for Monocular Depth Estimation
Bei Wang, Jianping An
This paper addresses the importance of full-image supervision for monocular depth estimation. We propose a semi-supervised architecture, which combines both unsupervised framework…
Blind Channel Estimation for RIS-Assisted Millimeter Wave Communication Systems
Dianhao Jia, Wenqian Shen, Jianping An +1
In the research of RIS-assisted communication systems, channel estimation is a problem of vital importance for further performance optimization. In order to reduce the pilot overhe…
DualStream Contextual Fusion Network: Efficient Target Speaker Extraction by Leveraging Mixture and Enrollment Interactions
Ke Xue, Rongfei Fan, Shanping Yu +2
Target speaker extraction focuses on extracting a target speech signal from an environment with multiple speakers by leveraging an enrollment. Existing methods predominantly rely o…
A Percolation based M2M Networking Architecture for Data Transmission and Routing
Jihua Lu, Jianping An, Xiangming Li +2
We propose a percolation based M2M networking architecture and its data transmission method. The proposed network architecture can be server-free and router-free, which allows us t…
Massive Unsourced Random Access: Exploiting Angular Domain Sparsity
Xinyu Xie, Yongpeng Wu, Jianping An +5
This paper investigates the unsourced random access (URA) scheme to accommodate numerous machine-type users communicating to a base station equipped with multiple antennas. Existin…
CDFKD-MFS: Collaborative Data-free Knowledge Distillation via Multi-level Feature Sharing
Zhiwei Hao, Yong Luo, Zhi Wang +2
Recently, the compression and deployment of powerful deep neural networks (DNNs) on resource-limited edge devices to provide intelligent services have become attractive tasks. Alth…
Resource Allocation for Secure Multi-UAV Communication Systems with Multi-Eavesdropper
Ruide Li, Zhiqiang Wei, Lei Yang +3
In this paper, we study the resource allocation and trajectory design for secure unmanned aerial vehicle (UAV)-enabled communication systems, where multiple multi-purpose UAV base…
Dynamic Hybrid Precoding Relying on Twin-Resolution Phase Shifters in Millimeter-Wave Communication Systems
Chenghao Feng, Wenqian Shen, Xinyu Gao +2
Hybrid analog/digital precoding in millimeter-wave (mmWave) multi-input multi-ouput (MIMO) systems is capable of achieving the near-optimal full-digital performance at reduced hard…
When Full-Duplex Transmission Meets Intelligent Reflecting Surface: Opportunities and Challenges
Gaofeng Pan, Jia Ye, Jianping An +1
Full-duplex (FD) transmission has already been regarded and developed as a promising method to improve the utilization efficiency of the limited spectrum resource, as transmitting…
Achieve Sustainable Ultra-Dense Heterogeneous Networks for 5G
Jianping An, Kai Yang, Jinsong Wu +3
Due to the exponentially increased demands of mobile data traffic, e.g., a 1000-fold increase in traffic demand from 4G to 5G, network densification is considered as a key mechanis…
Weighted Sum Rate Maximization of the mmWave Cell-Free MIMO Downlink Relying on Hybrid Precoding
Chenghao Feng, Wenqian Shen, Jianping An +1
The cell-free MIMO concept relying on hybrid precoding constitutes an innovative technique capable of dramatically increasing the network capacity of millimeter-wave (mmWave) commu…
Agentic Satellite-Augmented Low-Altitude Economy and Terrestrial Networks: A Survey on Generative Approaches
Xiaozheng Gao, Yichen Wang, Bosen Liu +9
The development of satellite-augmented low-altitude economy and terrestrial networks (SLAETNs) demands intelligent and autonomous systems that can operate reliably across heterogen…
Multi-Agent Collaborative Inference via DNN Decoupling: Intermediate Feature Compression and Edge Learning
Zhiwei Hao, Guanyu Xu, Yong Luo +3
Recently, deploying deep neural network (DNN) models via collaborative inference, which splits a pre-trained model into two parts and executes them on user equipment (UE) and edge…
Training Beam Design for Channel Estimation in Hybrid mmWave MIMO Systems
Xiaochun Ge, Wenqian Shen, Chengwen Xing +2
Training beam design for channel estimation with infinite-resolution and low-resolution phase shifters (PSs) in hybrid analog-digital milimeter wave (mmWave) massive multiple-input…
Hybrid Beamforming for Terahertz Multi-Carrier Systems over Frequency Selective Fading
Hang Yuan, Nan Yang, Kai Yang +2
We propose novel hybrid beamforming schemes for the terahertz (THz) wireless system where a multi-antenna base station (BS) communicates with a multi-antenna user over frequency se…
Passive Beamforming Design for Intelligent Reflecting Surface Assisted MIMO Systems
Chenghao Feng, Wenqian Shen, Xinyu Gao +1
Intelligent reflecting surfaces (IRSs) constitute passive devices, which are capable of adjusting the phase shifts of their reflected signals, and hence they are suitable for passi…
Channel Estimation for Orthogonal Time Frequency Space (OTFS) Massive MIMO
Wenqian Shen, Linglong Dai, Jianping An +2
Orthogonal time frequency space (OTFS) modulation outperforms orthogonal frequency division multiplexing (OFDM) in high-mobility scenarios. One challenge for OTFS massive MIMO is d…
Wideband Channel Estimation for IRS-Aided Systems in the Face of Beam Squint
Siqi Ma, Wenqian Shen, Jianping An +1
Intelligent reflecting surfaces (IRSs) improve both the bandwidth and energy efficiency of wideband communication systems by using low-cost passive elements for reflecting the impi…
Deep Multimodal Learning: Merging Sensory Data for Massive MIMO Channel Prediction
Yuwen Yang, Feifei Gao, Chengwen Xing +2
Existing work in intelligent communications has recently made preliminary attempts to utilize multi-source sensing information (MSI) to improve the system performance. However, the…
Eavesdropping Risk Evaluation on Terahertz Wireless Channels in Atmospheric Turbulence
Yu Mei, Jianping An, Jianjun Ma +2
Wireless networks operating at terahertz (THz) frequencies have been proposed as a promising candidate to support the ever-increasing capacity demand, which cannot be satisfied wit…
Beam Selection for Wideband Millimeter Wave MIMO Relying on Lens Antenna Arrays
Chenghao Feng, Wenqian Shen, Jianping An
Beamspace multi-input multi-output (MIMO) relying on lens antenna arrays can significantly reduce the number of radio-frequency chains in millimeter-wave (mmWave) communication sys…
Massive Unsourced Random Access for Near-Field Communications
Xinyu Xie, Yongpeng Wu, Jianping An +3
This paper investigates the unsourced random access (URA) problem with a massive multiple-input multiple-output receiver that serves wireless devices in the near-field of radiation…
Dynamic Routing for Integrated Satellite-Terrestrial Networks: A Constrained Multi-Agent Reinforcement Learning Approach
Yifeng Lyu, Han Hu, Rongfei Fan +3
The integrated satellite-terrestrial network (ISTN) system has experienced significant growth, offering seamless communication services in remote areas with limited terrestrial inf…
Low Earth Orbit Satellite Security and Reliability: Issues, Solutions, and the Road Ahead
Pingyue Yue, Jianping An, Jiankang Zhang +5
Low Earth Orbit (LEO) satellites undergo a period of rapid development driven by ever-increasing user demands, reduced costs, and technological progress. Since there is a paucity o…
Dynamic Spectrum Leasing with Two Sellers
Rongfei Fan, Wen Chen, Hai Jiang +3
This paper studies dynamic spectrum leasing in a cognitive radio network. There are two spectrum sellers, who are two primary networks, each with an amount of licensed spectrum ban…
Dual-View Predictive Diffusion: Lightweight Speech Enhancement via Spectrogram-Image Synergy
Ke Xue, Rongfei Fan, Kai Li +3
Diffusion models have recently set new benchmarks in Speech Enhancement (SE). However, most existing score-based models treat speech spectrograms merely as generic 2D images, apply…
A Joint Graph-Cut Channel Estimation Method for Multi-user Holographic MIMO
Jiaxin Zhang, Wenqian Shen, Kai Yang +2
To address the challenges of high-dimensional channel estimation and underutilized spatial correlations among users in holographic MIMO (HMIMO) systems, this paper proposes a joint…
Multiple Satellites Collaboration for Joint Code-aided CFOs and CPOs Estimation
Pingyue Yue, Yixuan Li, Yue Li +3
Low Earth Orbit (LEO) satellites are being extensively researched in the development of secure Internet of Remote Things (IoRT). In scenarios with miniaturized terminals, the limit…
Rydberg Atomic Quantum Radio: A Comprehensive Survey From Wireless Communication Perspective
Yiyue Xiang, Neng Ye, Qihao Peng +5
Next-generation space-air-ground-sea integrated networks (SAGSIN) impose unprecedented demands on advanced radio frequency (RF) receivers for full-spectrum agility, ultra-high sens…