61 citations · 132 across the 21 of their papers we have counts for
21 papers
Spatial-Code-Domain Grouped Index Modulation: Fluid-Antenna-Assisted System Design and BER Performance Analysis
Peng Zhang, Jian Dang, Yao Ge +5
Fluid antenna systems (FASs) provide reconfigurable spatial resources within compact apertures. In this paper, we introduce code-domain grouped index modulation (CGIM) and its spat…
UAV Fluid-Antenna Channel Acquisition under Intra-Scan Channel Aging
Yuanhui Wu, Hao Jiang, Liang Wu +1
Sequential sounding in UAV fluid-antenna systems (FASs) provides additional spatial information but delays transmission, causing earlier channel observations to age. This paper add…
Channel Knowledge Map-Enabled NLoS ISAC Localization
Chentao Hong, Di Wu, Liang Wu +2
Accurate localization in non-line-of-sight (NLoS) environments remains challenging even with both angle-of-arrival (AoA) and time-of-arrival (ToA) measurements. In complex urban sc…
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…
Parallel in-memory wireless computing
Cong Wang, Gong-Jie Ruan, Zai-Zheng Yang +13
Parallel wireless digital communication with ultralow power consumption is critical for emerging edge technologies such as 5G and Internet of Things. However, the physical separati…
Channel Modeling for Heterogeneous Vehicular ISAC System with Shared Clusters
Baiping Xiong, Zaichen Zhang, Yingmeng Ge +4
In this paper, we consider the channel modeling of a heterogeneous vehicular integrated sensing and communication (ISAC) system, where a dual-functional multi-antenna base station…
Downlink Precoding for Cell-free FBMC/OQAM Systems With Asynchronous Reception
Yuhao Qi, Jian Dang, Zaichen Zhang +2
In this work, an efficient precoding design scheme is proposed for downlink cell-free distributed massive multiple-input multiple-output (DM-MIMO) filter bank multi-carrier (FBMC)…
Pilot-Free Unsourced Random Access Via Dictionary Learning and Error-Correcting Codes
Zhentian Zhang, Jian Dang, Zaichen Zhang +3
Massive machine-type communications (mMTC) or massive access is a critical scenario in the fifth generation (5G) and the future cellular network. With the surging density of device…
Asynchronous RIS-assisted Localization: A Comprehensive Analysis of Fundamental Limits
Ziyi Gong, Liang Wu, Zaichen Zhang +3
The reconfigurable intelligent surface (RIS) has drawn considerable attention for its ability to enhance the performance of not only the wireless communication but also the indoor…
Fast and Arbitrary Beam Pattern Design for RIS-Assisted Terahertz Wireless Communication
Jian Dang, Zaichen Zhang, Yewei Li +3
Reconfigurable intelligent surface (RIS) can assist terahertz wireless communication to restore the fragile line-of-sight links and facilitate beam steering. Arbitrary reflection b…
A New High Energy Efficiency Scheme Based on Two-Dimension Resource Blocks in Wireless Communication Systems
Kang Liu, Zaichen Zhang, Jian Dang +4
Energy efficiency (EE) plays a key role in future wireless communication network and it is easily to achieve high EE performance in low SNR regime. In this paper, a new high EE sch…
Performance Analysis of Hybrid RF-Reconfigurable Intelligent Surfaces Assisted FSO Communication
Haibo Wang, Zaichen Zhang, Bingcheng Zhu +1
Optical reconfigurable intelligent surface (ORIS) is an emerging technology that can achieve reconfigurable optical propagation environments by precisely adjusting signal's reflect…
A Novel Two-stage Design Scheme of Equalizers for Uplink FBMC/OQAM-based Massive MIMO Systems
Yuhao Qi, Jian Dang, Zaichen Zhang +2
The self-equalization property has raised great concern in the combination of offset-quadratic-amplitude-modulation-based filter bank multi-carrier (FBMC/OQAM) and massive multiple…
Outage Analysis and Beamwidth Optimization for Positioning-Assisted Beamforming
Bingcheng Zhu, Zaichen Zhang, Julian Cheng
Conventional beamforming is based on channel estimation, which can be computationally intensive and inaccurate when the antenna array is large. In this work, we study the outage pr…
Two New Approaches to Optical IRSs: Schemes and Comparative Analysis
Haibo Wang, Zaichen Zhang, Bingcheng Zhu +2
Oriented to the point-to-multipoint free space optical communication (FSO) scenarios, this paper analyzes the micro-mirror array and phased array-type optical intelligent reflectin…
Transmit Covariance and Waveform Optimization for Non-orthogonal CP-FBMA System
Yuhao Qi, Jian Dang, Zaichen Zhang +2
Filter bank multiple access (FBMA) without subbands orthogonality has been proposed as a new candidate waveform to better meet the requirements of future wireless communication sys…
Joint User Identification and Channel Estimation Over Rician Fading Channels
Liang Wu, Zaichen Zhang, Jian Dang +3
This paper considers crowded massive multiple input multiple output (MIMO) communications over a Rician fading channel, where the number of users is much greater than the number of…
Performance of Wireless Optical Communication With Reconfigurable Intelligent Surfaces and Random Obstacles
Haibo Wang, Zaichen Zhang, Bingcheng Zhu +5
It is difficult for free space optical communication to be applied in mobile communication due to the obstruction of obstacles in the environment, which is expected to be solved by…
Data-Rate Driven Transmission Strategy for Deep Learning Based Communication Systems
Xiao Chen, Julian Cheng, Zaichen Zhang +2
Deep learning (DL) based autoencoder is a promising architecture to implement end-to-end communication systems. One fundamental problem of such systems is how to increase the trans…
A Generalized Data Representation and Training-Performance Analysis for Deep Learning-Based Communications Systems
Xiao Chen, Liang Wu, Zaichen Zhang
Deep learning (DL)-based autoencoder is a potential architecture to implement end-to-end communication systems. In this letter, we first give a brief introduction to the autoencode…
A 3D Non-Stationary Wideband Geometry-Based Channel Model for MIMO Vehicle-to-Vehicle Communication System
Hao Jiang, Zaichen Zhang, Liang Wu +2
In this paper, we present a three-dimensional (3D) non-wide-sense stationary (non-WSS) wideband geometry-based channel model for vehicle-to-vehicle (V2V) communication environments…