141 citations · 442 across the 33 of their papers we have counts for
33 papers
Joint Analog Encoder Design for Multi-Task Oriented Wireless Communication
Chenmin Sha, Shidong Zhou
In this paper we study multi-task oriented communication system via studying analog encoding method for multiple estimation tasks. The basic idea is to utilize the correlation amon…
Near-Field Rainbow: Wideband Beam Training for XL-MIMO
Mingyao Cui, Linglong Dai, Zhaocheng Wang +2
Wideband extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technique to achieve Tbps data rates in future 6G systems through beamforming and spatial mul…
Optimal Update for Energy Harvesting Sensor with Reliable Backup Energy
Lixin Wang, Fuzhou Peng, Xiang Chen +1
In this paper, we consider an information update system where a wireless sensor sends timely updates to the destination over an erasure channel with the supply of harvested energy…
Noisy Sensor Scheduling in Wireless Networked Control Systems: Freshness or Precision
He Ma, Shidong Zhou
In linear wireless networked control systems whose control is based on the system state's noisy and delayed observations, an accurate functional relationship is derived between the…
Optimal Update in Energy Harvesting Aided Terahertz Communications with Random Blocking
Lixin Wang, Fuzhou Peng, Xiang Chen +1
In this paper, we consider an information update system where wireless sensor sends timely updates to the destination over a random blocking terahertz channel with the supply of ha…
Transmission Scheduling for Multi-loop Wireless Networked Control Based on LQ Cost Offset
He Ma, Shidong Zhou, Xiujun Zhang +1
In this paper, transmission scheduling for multiloop wireless networked control systems sharing the wireless channel is considered. A linear quadratic cost offset has been proposed…
Massive Access for Future Wireless Communication Systems
Yongpeng Wu, Xiqi Gao, Shidong Zhou +3
Multiple access technology played an important role in wireless communication in the last decades: it increases the capacity of the channel and allows different users to access the…
Fast Accurate Beam and Channel Tracking for Two-dimensional Phased Antenna Arrays
Yu Liu, Jiahui Li, Xiujun Zhang +1
The sparsity and the severe attenuation of millimeter-wave (mmWave) channel imply that highly directional communication is needed. The narrow beam produced by large array requires…
Super Fast Beam and Channel Tracking in 2D Phased Antenna Arrays
Yu Liu, Jiahui Li, Yin Sun +1
Millimeter wave (mmWave) is an attractive candidate for high-speed mobile communications in the future. However, due to the propagation characteristics of mmWave, beam and and and…
Coverage Probability Analysis of UAV Cellular Networks in Urban Environments
Lai Zhou, Zhi Yang, Shidong Zhou +1
In this paper, we study coverage probabilities of the UAV-assisted cellular network modeled by 2-dimension (2D) Poisson point process. The cellular user is assumed to connect to th…
Channel Model in Urban Environment for Unmanned Aerial Vehicle Communications
Zhi Yang, Lai Zhou, Guangyue Zhao +1
In order to develop and analyze reliable communications links for unmanned aerial vehicles (UAVs), accurate models for the propagation channel are required. The radio channel prope…
Blockage Modeling for Inter-layer UAVs Communications in Urban Environments
Zhi Yang, Lai Zhou, Guangyue Zhao +1
The impact of buildings blockage on the UAVs communications in different UAVs heights is studied, when UAVs fly in a given rectangular urban area. This paper analyzes the propertie…
Joint Beam and Channel Tracking for Two-Dimensional Phased Antenna Arrays
Yu Liu, Jiahui Li, Yin Sun +1
Analog beamforming is a low-cost architecture for millimeter-wave (mmWave) mobile communications. However, it has two disadvantages for serving fast mobility users: (i) the mmWave…
How to Mobilize mmWave: A Joint Beam and Channel Tracking Approach
Jiahui Li, Yin Sun, Limin Xiao +2
Maintaining reliable millimeter wave (mmWave) connections to many fast-moving mobiles is a key challenge in the theory and practice of 5G systems. In this paper, we develop a new a…
Fast Analog Beam Tracking in Phased Antenna Arrays: Theory and Performance
Jiahui Li, Yin Sun, Limin Xiao +2
The directionality of millimeter-wave (mmWave) communications introduces a significant challenge in serving fast-rotating/moving terminals, e.g., mobile AR/VR, high-speed vehicles,…
Spectrum and Energy Efficient Beamspace MIMO-NOMA for Millimeter-Wave Communications Using Lens Antenna Array
Bichai Wang, Linglong Dai, Zhaocheng Wang +2
The recent concept of beamspace multiple input multiple output (MIMO) can significantly reduce the number of required radio-frequency (RF) chains in millimeter-wave (mmWave) massiv…
Analog Beam Tracking in Linear Antenna Arrays: Convergence, Optimality, and Performance
Jiahui Li, Yin Sun, Limin Xiao +2
The directionality of millimeter-wave (mmWave) communications creates a significant challenge in serving fast-moving mobile terminals on, e.g., high-speed vehicles, trains, and UAV…
Massive MIMO with Multi-Antenna Users: When are Additional User Antennas Beneficial?
Xueru Li, Emil Björnson, Shidong Zhou +1
We analyze the performance of massive MIMO systems with -antenna users. The benefit is that streams can be multiplexed per user, at the price of increasing the channel estim…
Capacity Analysis for Spatially Non-wide Sense Stationary Uplink Massive MIMO Systems
Xueru Li, Shidong Zhou, Emil Björnson +1
Channel measurements show that significant spatially non-wide-sense-stationary characteristics rise in massive MIMO channels. Notable parameter variations are experienced along the…
Deployment of 5G Networking Infrastructure with Machine Type Communication Considerations
Xiangxiang Xu, Walid Saad, Xiujun Zhang +2
Designing optimal strategies to deploy small cell stations is crucial to meet the quality-of-service requirements in next-generation cellular networks with constrained deployment c…
Green 5G Heterogeneous Networks through Dynamic Small-Cell Operation
Shijie Cai, Yueling Che, Lingjie Duan +3
Traditional macro-cell networks are experiencing an upsurge of data traffic, and small-cells are deployed to help offload the traffic from macro-cells. Given the massive deployment…
Software-Defined Hyper-Cellular Architecture for Green and Elastic Wireless Access
Sheng Zhou, Tao Zhao, Zhisheng Niu +1
To meet the surging demand of increasing mobile Internet traffic from diverse applications while maintaining moderate energy cost, the radio access network (RAN) of cellular system…
Joint Deployment of Small Cells and Wireless Backhaul Links in Next-Generation Networks
Xiangxiang Xu, Walid Saad, Xiujun Zhang +2
In this paper, a novel approach for optimizing the joint deployment of small cell base stations and wireless backhaul links is proposed. This joint deployment scenario is cast as a…
A Multi-cell MMSE Precoder for Massive MIMO Systems and New Large System Analysis
Xueru Li, Emil Björnson, Erik G. Larsson +2
In this paper, a new multi-cell MMSE precoder is proposed for massive MIMO systems. We consider a multi-cell network where each cell has users and orthogonal pilot sequence…