164 citations · 625 across the 62 of their papers we have counts for
19 papers · 1 filter
Quantum Discrimination of Two Noisy Displaced Number States
Renzhi Yuan, Julian Cheng
The quantum discrimination of two non-coherent states draws much attention recently. In this letter, we first consider the quantum discrimination of two noiseless displaced number…
Tight Capacity Bounds for Indoor Visible Light Communications With Signal-Dependent Noise
Jin-Yuan Wang, Xian-Tao Fu, Rong-Rong Lu +3
Channel capacity bounds are derived for a point-to-point indoor visible light communications (VLC) system with signal-dependent Gaussian noise. Considering both illumination and co…
Few-Mode Fiber Coupling Efficiency for Free-Space Optical Communication
Xingjie Fan, Dawei Wang, Julian Cheng +2
Few-mode fiber is a significant component of free-space optical communication at the receiver to obtain achievable high coupling efficiency. A theoretical coupling model from the f…
Physical Layer Security Over Mixture Gamma Distributed Fading Channels With Discrete Inputs: A Unified and General Analytical Framework
Chongjun Ouyang, Sheng Wu, Chunxiao Jiang +2
Physical layer security is investigated over mixture Gamma (MG) distributed fading channels with discrete inputs. By the Gaussian quadrature rules, closed-form expressions are deri…
Physical-Layer Security for Two-Hop Air-to-Underwater Communication Systems With Fixed-Gain Amplify-and-Forward Relaying
Yi Lou, Ruofan Sun, Julian Cheng +3
We analyze a secure two-hop mixed radio frequency (RF) and underwater wireless optical communication (UWOC) system using a fixed-gain amplify-and-forward (AF) relay. The UWOC chann…
Secrecy Outage Analysis of Two-Hop Decode-and-Forward Mixed RF/UWOC Systems
Yi Lou, Ruofan Sun, Julian Cheng +2
We analyze the secrecy performance of a two-hop mixed radio frequency (RF)/underwater wireless optical communication (UWOC) system using a decode-and-forward (DF) relay. All RF and…
Performance of Underwater Wireless Optical Communications in Presents of Cascaded Mixture Exponential-Generalized Gamma Turbulence
Yi Lou, Julian Cheng, Donghu Nie +1
Underwater wireless optical communication is one of the critical technologies for buoy-based high-speed cross-sea surface communication, where the communication nodes are verticall…
Covert Transmission Assisted by Intelligent Reflecting Surface
Jiangbo Si, Zan Li, Yan Zhao +4
Covert transmission is studied for an intelligent reflecting surface (IRS) aided communication system, where Alice aims to transmit messages to Bob without being detected by the wa…
Optimally Displaced Threshold Detection for Discriminating Binary Coherent States Using Imperfect Devices
Renzhi Yuan, Mufei Zhao, Shuai Han +1
Because of the potential applications in quantum information processing tasks, discrimination of binary coherent states using generalized Kennedy receiver with maximum a posteriori…
Deep Unfolding Basis Pursuit: Improving Sparse Channel Reconstruction via Data-Driven Measurement Matrices
Pengxia Wu, Julian Cheng
For massive multiple-input multiple-output (MIMO) systems operating in frequency-division duplex mode, downlink channel state information (CSI) acquisition will incur large overhea…
Device-Clustering and Rate-Splitting Enabled Device-to-Device Cooperation Framework in Fog Radio Access Network
Md. Zoheb Hassan, Md. Jahangir Hossain, Julian Cheng +1
Resource allocation is investigated to enhance the performance of device-to-device (D2D) cooperation in a fog radio access network (F-RAN) architecture. Our envisioned framework en…
Free-Space Optical Communication Using Non-mode-Selective Photonic Lantern Based Coherent Receiver
Bo Zhang, Renzhi Yuan, Jianfeng Sun +2
A free-space optical communication system using non-mode-selective photonic lantern (PL) based coherent receiver is studied. Based on the simulation of photon distribution, the pow…
Communication-Efficient Robust Federated Learning Over Heterogeneous Datasets
Yanjie Dong, Georgios B. Giannakis, Tianyi Chen +3
This work investigates fault-resilient federated learning when the data samples are non-uniformly distributed across workers, and the number of faulty workers is unknown to the cen…
Analytical Channel Model and Link Design Optimization for Ground-to-HAP Free-Space Optical Communication Networks
Hossein Safi, Akbar Dargahi, Julian Cheng +1
Integrating high altitude platforms (HAPs) and free-space optical (FSO) communications is a promising solution to establish high data rate aerial links for the next-generation wire…
A Generalized Dimming Control Scheme for Visible Light Communications
Yang Yang, Congcong Wang, Chunyan Feng +3
A novel dimming control scheme, termed as generalized dimming control (GDC), is proposed for visible light communication (VLC) systems. The proposed GDC scheme achieves dimming con…
Millimeter Wave Communications With Reconfigurable Intelligent Surface: Performance Analysis and Optimization
Hongyang Du, Jiayi Zhang, Julian Cheng +2
Reconfigurable Intelligent Surface (RIS) can create favorable multipath to establish strong links that are useful in millimeter wave (mmWave) communications. While previous works u…
Sparse Channel Estimation and Hybrid Precoding Using Deep Learning for Millimeter Wave Massive MIMO
Wenyan Ma, Chenhao Qi, Zaichen Zhang +1
Channel estimation and hybrid precoding are considered for multi-user millimeter wave massive multi-input multi-output system. A deep learning compressed sensing (DLCS) channel est…
Cooperative Jamming for Secure Transmission With Both Active and Passive Eavesdroppers
Jiangbo Si, Zihao Cheng, Zan Li +3
Secrecy transmission is investigated for a cooperative jamming scheme, where a multi-antenna jam-mer generates artificial noise (AN) to confuse eavesdroppers. Two kinds of eavesdro…
Cross-Layer Scheduling and Beamforming in Smart-Grid Powered Cellular Networks With Heterogeneous Energy Coordination
Yanjie Dong, Md. Jahangir Hossain, Julian Cheng +1
User scheduling, beamforming and energy coordination are investigated in smart-grid powered cellular networks (SGPCNs), where the base stations are powered by a smart grid and natu…