Minghua Xia
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View article: A CPFSK Transceiver with Hybrid CSS-DSSS Spreading for LPWAN PHY Communication
A CPFSK Transceiver with Hybrid CSS-DSSS Spreading for LPWAN PHY Communication Open
Traditional low-power wide-area network (LPWAN) transceivers typically compromise data rates to achieve deep coverage. This paper presents a novel transceiver that achieves high receiver sensitivity and low computational complexity. At the…
View article: Low-Complexity Hybrid Beamforming for Multi-Cell mmWave Massive MIMO: A Primitive Kronecker Decomposition Approach
Low-Complexity Hybrid Beamforming for Multi-Cell mmWave Massive MIMO: A Primitive Kronecker Decomposition Approach Open
To circumvent the high path loss of mmWave propagation and reduce the hardware cost of massive multiple-input multiple-output antenna systems, full-dimensional hybrid beamforming is critical in 5G and beyond wireless communications. Concer…
View article: Secrecy Sum-Rate Maximization for Active IRS-Assisted MIMO-OFDM SWIPT System
Secrecy Sum-Rate Maximization for Active IRS-Assisted MIMO-OFDM SWIPT System Open
The propagation loss of RF signals is a significant issue in simultaneous\nwireless information and power transfer (SWIPT) systems. Additionally, ensuring\ninformation security is crucial due to the broadcasting nature of wireless\nchannel…
View article: Air-to-Ground Communications Beyond 5G: CoMP Handoff Management in UAV Network
Air-to-Ground Communications Beyond 5G: CoMP Handoff Management in UAV Network Open
Air-to-ground (A2G) networks, using unmanned aerial vehicles (UAVs) as base stations to serve terrestrial user equipments (UEs), are promising for extending the spatial coverage capability in future communication systems. Coordinated trans…
View article: System-Level Simulation Framework for NB-IoT: Key Features and Performance Evaluation
System-Level Simulation Framework for NB-IoT: Key Features and Performance Evaluation Open
Narrowband Internet of Things (NB-IoT) is a technology specifically designated by the 3rd Generation Partnership Project (3GPP) to meet the explosive demand for massive machine-type communications (mMTC), and it is evolving to RedCap. Indu…
View article: Decentralized Federated Learning with Asynchronous Parameter Sharing for Large-scale IoT Networks
Decentralized Federated Learning with Asynchronous Parameter Sharing for Large-scale IoT Networks Open
Federated learning (FL) enables wireless terminals to collaboratively learn a shared parameter model while keeping all the training data on devices per se. Parameter sharing consists of synchronous and asynchronous ways: the former transmi…
View article: Air-to-Ground Communications Beyond 5G: UAV Swarm Formation Control and Tracking
Air-to-Ground Communications Beyond 5G: UAV Swarm Formation Control and Tracking Open
Unmanned aerial vehicle (UAV) communications have been widely accepted as promising technologies to support air-to-ground communications in the forthcoming sixth-generation (6G) wireless networks. This paper proposes a novel air-to-ground …
View article: Edge Learning for Large-Scale Internet of Things With Task-Oriented Efficient Communication
Edge Learning for Large-Scale Internet of Things With Task-Oriented Efficient Communication Open
In the Internet of Things (IoT) networks, edge learning for data-driven tasks provides intelligent applications and services. As the network size becomes large, different users may generate distinct datasets. Thus, to suit multiple edge le…
View article: Flexible 3GPP MIMO Channel Modeling and Calibration With Spatial Consistency
Flexible 3GPP MIMO Channel Modeling and Calibration With Spatial Consistency Open
As channel models are essential to the performance evaluation of wireless systems, the 3rd Generation Partnership Project (3GPP) developed different channel models to verify the effectiveness of emerging and cutting-edge technologies. Sinc…
View article: A General Analytical Approach for Outage Analysis of HARQ-IR over Correlated Fading Channels
A General Analytical Approach for Outage Analysis of HARQ-IR over Correlated Fading Channels Open
This paper proposes a general analytical approach to derive the outage probability of hybrid automatic repeat request with incremental redundancy (HARQ-IR) over correlated fading channels in closed-form. Unlike prior analyses, the consider…
View article: Ground-to-Air Communications Beyond 5G: Coordinated Multi-Point Transmission Based on Poisson-Delaunay Triangulation
Ground-to-Air Communications Beyond 5G: Coordinated Multi-Point Transmission Based on Poisson-Delaunay Triangulation Open
This paper designs a novel ground-to-air communication scheme to serve unmanned aerial vehicles (UAVs) through legacy terrestrial base stations (BSs). In particular, a tractable coordinated multi-point (CoMP) transmission based on the geom…
View article: Editorial: 5G-and-Beyond Communications for Smart Cities: Networks, Systems and Applications
Editorial: 5G-and-Beyond Communications for Smart Cities: Networks, Systems and Applications Open
EDITORIAL article Front. Comms. Net., 03 February 2022Sec. Wireless Communications Volume 3 - 2022 | https://doi.org/10.3389/frcmn.2022.841742
View article: Bayesian Compressive Channel Estimation for Hybrid Full-Dimensional MIMO Communications
Bayesian Compressive Channel Estimation for Hybrid Full-Dimensional MIMO Communications Open
Efficient channel estimation is challenging in full-dimensional multiple-input multiple-output communication systems, particularly in those with hybrid digital-analog architectures. Under a compressive sensing framework, this letter first …
View article: A Sparsity Adaptive Algorithm to Recover NB-IoT Signal from Legacy LTE Interference
A Sparsity Adaptive Algorithm to Recover NB-IoT Signal from Legacy LTE Interference Open
As a forerunner in 5G technologies, Narrowband Internet of Things (NB-IoT) will be inevitably coexisting with the legacy Long-Term Evolution (LTE) system. Thus, it is imperative for NB-IoT to mitigate LTE interference. By virtue of the str…
View article: UGV-assisted Wireless Powered Backscatter Communications for Large-Scale IoT Networks
UGV-assisted Wireless Powered Backscatter Communications for Large-Scale IoT Networks Open
Wireless powered backscatter communications (WPBC) is capable of implementing ultra-low-power communication, thus promising in the Internet of Things (IoT) networks. In practice, however, it is challenging to apply WPBC in large-scale IoT …
View article: Smarter Grid in the 5G Era: A Framework Integrating Power Internet of Things With a Cyber Physical System
Smarter Grid in the 5G Era: A Framework Integrating Power Internet of Things With a Cyber Physical System Open
As the energy infrastructure of smart cities, smart grid upgrades traditional power grid systems with state-of-the-art information and communication technologies. In particular, as the full deployment of the Internet of Things in the power…
View article: Cooperative Beamforming for Wireless Fronthaul and Access Links in Ultra-Dense C-RANs With SWIPT: A First-Order Approach
Cooperative Beamforming for Wireless Fronthaul and Access Links in Ultra-Dense C-RANs With SWIPT: A First-Order Approach Open
This work studies multigroup multicasting transmission in cloud radio access\nnetworks (C-RANs) with simultaneous wireless information and power transfer,\nwhere densely packed remote radio heads (RRHs) cooperatively provide\ninformation a…
View article: A 36-week multicenter, randomized, double-blind, placebo-controlled, parallel-group, phase 3 clinical trial of sodium oligomannate for mild-to-moderate Alzheimer’s dementia
A 36-week multicenter, randomized, double-blind, placebo-controlled, parallel-group, phase 3 clinical trial of sodium oligomannate for mild-to-moderate Alzheimer’s dementia Open
Background New therapies are urgently needed for Alzheimer’s disease (AD). Sodium oligomannate (GV-971) is a marine-derived oligosaccharide with a novel proposed mechanism of action. The first phase 3 clinical trial of GV-971 has been comp…
View article: A 36-week Multicenter, Randomised, Double-blind, Placebo-controlled, Parallel-group, Phase 3 Clinical Trial of Sodium Oligomannate for Mild-to-Moderate Alzheimer's Dementia
A 36-week Multicenter, Randomised, Double-blind, Placebo-controlled, Parallel-group, Phase 3 Clinical Trial of Sodium Oligomannate for Mild-to-Moderate Alzheimer's Dementia Open
Background: New therapies are urgently needed for Alzheimer’s disease (AD). Sodium oligomannate (GV-971) is a marine-derived oligosaccharide which reconstitutes gut microbiota, reduces neuroinflammation, decreases amyloid deposition, and i…
View article: Massive Access in Secure NOMA under Imperfect CSI: Security Guaranteed Sum-Rate Maximization with First-Order Algorithm
Massive Access in Secure NOMA under Imperfect CSI: Security Guaranteed Sum-Rate Maximization with First-Order Algorithm Open
Non-orthogonal multiple access (NOMA) is a promising solution for secure transmission under massive access. However, in addition to the uncertain channel state information (CSI) of the eavesdroppers due to their passive nature, the CSI of …
View article: Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems with SWIPT
Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems with SWIPT Open
This work investigates the energy-efficient resource allocation for layered-division multiplexing (LDM) based non-orthogonal multicast and unicast transmission in cell-free massive multiple-input multiple-output (MIMO) systems, where each …
View article: Angle Aware User Cooperation for Secure Massive MIMO in Rician Fading Channel
Angle Aware User Cooperation for Secure Massive MIMO in Rician Fading Channel Open
Massive multiple-input multiple-output communications can achieve high-level security by concentrating radio frequency signals towards the legitimate users. However, this system is vulnerable in a Rician fading environment if the eavesdrop…
View article: Air-to-Air Communications Beyond 5G: A Novel 3D CoMP Transmission Scheme
Air-to-Air Communications Beyond 5G: A Novel 3D CoMP Transmission Scheme Open
In this paper, a novel $3$D cellular model consisting of aerial base stations (aBSs) and aerial user equipments (aUEs) is proposed, by integrating the coordinated multi-point (CoMP) transmission technique with the theory of stochastic geom…
View article: Caching at Base Stations with Multi-Cluster Multicast Wireless Backhaul via Accelerated First-Order Algorithm
Caching at Base Stations with Multi-Cluster Multicast Wireless Backhaul via Accelerated First-Order Algorithm Open
Cloud radio access network (C-RAN) has been recognized as a promising architecture for next-generation wireless systems to \textcolor{black}{support} the rapidly increasing demand for higher data rate. However, the performance of C-RAN is …
View article: Coordinated Multi-Point Transmission: A Poisson-Delaunay Triangulation Based Approach
Coordinated Multi-Point Transmission: A Poisson-Delaunay Triangulation Based Approach Open
Coordinated multi-point (CoMP) transmission is a cooperating technique among base stations (BSs) in a cellular network, with outstanding capability at inter-cell interference (ICI) mitigation. ICI is a dominant source of error, and has det…
View article: Machine Intelligence at the Edge with Learning Centric Power Allocation
Machine Intelligence at the Edge with Learning Centric Power Allocation Open
While machine-type communication (MTC) devices generate considerable amounts of data, they often cannot process the data due to limited energy and computational power. To empower MTC with intelligence, edge machine learning has been propos…
View article: Introduction to the Special Section on Energy-Harvesting Cognitive Radio Networks
Introduction to the Special Section on Energy-Harvesting Cognitive Radio Networks Open
We are delighted to introduce the readers to this special section of the IEEE Transactions on Cognitive Communications and Networking (TCCN), which has the purpose of addressing fundamental and practical challenges in the analysis and desi…
View article: Joint Communication and Motion Energy Minimization in UGV Backscatter Communication
Joint Communication and Motion Energy Minimization in UGV Backscatter Communication Open
While backscatter communication emerges as a promising solution to reduce power consumption at IoT devices, the transmission range of backscatter communication is short. To this end, this work integrates unmanned ground vehicles (UGVs) int…
View article: Massive MIMO Multicast Beamforming Via Accelerated Random Coordinate Descent
Massive MIMO Multicast Beamforming Via Accelerated Random Coordinate Descent Open
One key feature of massive multiple-input multiple-output systems is the large number of antennas and users. As a result, reducing the computational complexity of beamforming design becomes imperative. To this end, the goal of this paper i…
View article: An Efficient Hierarchical Identification Method With Kernel-Based SVM for Equivalent Systems of Aircrafts
An Efficient Hierarchical Identification Method With Kernel-Based SVM for Equivalent Systems of Aircrafts Open
The identification of low order equivalent system (LOES) models from measured test data is critical to assessing system qualities and design of control law. This paper focuses on the situations with finite data records and the time-respons…