activity
20142023
most citedJoint Downlink Cell Association and Bandwidth Allocation for Wireless Backhauling in Two-Tier HetNets with Large-Scale Antenna Arrays

165 citations · 254 across the 14 of their papers we have counts for

collaborators
Showing cs.ITShow all

13 papers · 1 filter

cs.IT2023

Secure Communication for Spatially Correlated Massive MIMO with Low-Resolution DACs

Dan Yang, Jindan Xu, Wei Xu +3

In this paper, the performance of a secure massive multiple-input multiple-output (MIMO) system adopting low-resolution digital-to-analog converters (DACs) is analyzed over spatial…

cs.IT2021

Coalition Game based User Association for mmWave Mobile Relay Systems in Rail Traffic Scenarios

Chen Chen, Yong Niu, Shiwen Mao +6

Rail transportation, especially, high-speed rails (HSR), is an important infrastructure for the development of national economy and the promotion of passenger experience. Due to th…

cs.IT2021

A Lightweight Deep Network for Efficient CSI Feedback in Massive MIMO Systems

Yuyao Sun, Wei Xu, Le Liang +3

To fully exploit the advantages of massive multiple-input multiple-output (m-MIMO), accurate channel state information (CSI) is required at the transmitter. However, excessive CSI…

cs.IT2018

AN-aided Secure Transmission in Multi-user MIMO SWIPT Systems

Zhengyu Zhu, Ning Wang, Zheng Chu +2

In this paper, an energy harvesting scheme for a multi-user multiple-input-multiple-output (MIMO) secrecy channel with artificial noise (AN) transmission is investigated. Joint opt…

cs.IT2018

Energy Harvesting Fairness in AN-aided Secure MU-MIMO SWIPT Systems with Cooperative Jammer

Zhengyu Zhu, Zheng Chu, Ning Wang +2

In this paper, we study a multi-user multiple-input-multiple-output secrecy simultaneous wireless information and power transfer (SWIPT) channel which consists of one transmitter,…

cs.IT2018

Energy Efficiency Maximization for CoMP Joint Transmission with Non-Ideal Power Amplifiers

Yuhao Zhang, Qimei Cui, Ning Wang

Coordinated multipoint (CoMP) joint transmission (JT) can save a great deal of energy especially for cell-edge users due to strengthened received signal, but at the cost of deployi…

cs.IT2018★ 1 cited

Energy-Efficient User Access Control and Resource Allocation in HCNs with Non-Ideal Circuitry

Yuhao Zhang, Qimei Cui, Ning Wang

In this paper, we study the energy-efficient user access control (UAC) based on resource allocation (RA) in heterogeneous cellular networks (HCNs) with the required downlink data r…

cs.IT2018

Optimal Pilot Symbols Ratio in terms of Spectrum and Energy Efficiency in Uplink CoMP Networks

Yuhao Zhang, Qimei Cui, Ning Wang

In wireless networks, Spectrum Efficiency (SE) and Energy Efficiency (EE) can be affected by the channel estimation that needs to be well designed in practice. In this paper, consi…

cs.IT2017

Beamforming and Power Splitting Designs for AN-aided Secure Multi-user MIMO SWIPT Systems

Zhengyu Zhu, Zheng Chu, Ning Wang +3

In this paper, an energy harvesting scheme for a multi-user multiple-input-multiple-output (MIMO) secrecy channel with artificial noise (AN) transmission is investigated. Joint opt…

cs.IT2016★ 64 cited

Secure Massive MIMO Systems with Limited RF Chains

Jun Zhu, Wei Xu, Ning Wang

In future practical deployments of massive multi-input multi-output (MIMO) systems, the number of radio frequency (RF) chains at the base stations (BSs) may be much smaller than th…

cs.IT2016★ 10 cited

Design and Implementation of a TDD-Based 128-Antenna Massive MIMO Prototyping System

Xi Yang, Wen-Jun Lu, Ning Wang +7

Spurred by the dramatic mobile IP growth and the emerging Internet of Things (IoT) and cloud-based applications, wireless networking is witnessing a paradigm shift. By fully exploi…

cs.IT2016★ 5 cited

Analysis and Design of Secure Massive MIMO Systems in the Presence of Hardware Impairments

Jun Zhu, Derrick Wing Kwan Ng, Ning Wang +2

To keep the hardware costs of future communications systems manageable, the use of low-cost hardware components is desirable. This is particularly true for the emerging massive mul…

cs.IT2015★ 9 cited

Per-Antenna Constant Envelope Precoding for Secure Transmission in Large-Scale MISO Systems

Jun Zhu, Ning Wang, Vijay K. Bhargava

Secure transmission in large-scale MISO systems employing artificial noise (AN) is studied under the per-antenna constant envelope (CE) constraint. Achievable secrecy rate of the p…