91 citations · 261 across the 26 of their papers we have counts for
21 papers · 1 filter
Sum Secrecy Rate Maximization for IRS-aided Multi-Cluster MIMO-NOMA Terahertz Systems
Jinlei Xu, Zhengyu Zhu, Zheng Chu +3
Intelligent reflecting surface (IRS) is a promising technique to extend the network coverage and improve spectral efficiency. This paper investigates an IRS-assisted terahertz (THz…
The Far-/Near-Field Beam Squint and Solutions for THz Intelligent Reflecting Surface Communications
Wanming Hao, Xiaobei You, Fuhui Zhou +3
Terahertz (THz) and intelligent reflecting surface (IRS) have been regarded as two promising technologies to improve the capacity and coverage for future 6G networks. Generally, IR…
Machine Learning-based Beamforming Design for Millimeter Wave IRS Communications with Discrete Phase Shifters
Wencai Yan, Gangcan Sun, Wanming Hao +3
In this paper, we investigate an intelligent reflecting surface (IRS)-assisted millimeter-wave multiple-input single-output downlink wireless communication system. By jointly calcu…
Double Intelligent Reflecting Surface-assisted Multi-User MIMO mmWave Systems with Hybrid Precoding
Hehao Niu, Zheng Chu, Fuhui Zhou +3
This work investigates the effect of double intelligent reflecting surface (IRS) in improving the spectrum efficient of multi-user multiple-input multiple-output (MIMO) network ope…
Simultaneous Transmission and Reflection Reconfigurable Intelligent Surface Assisted MIMO Systems
Hehao Niu, Zheng Chu, Fuhui Zhou +2
In this work, we investigate a novel simultaneous transmission and reflection reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output downlink system, wher…
Robust Design for Intelligent Reflecting Surface Assisted MIMO-OFDMA Terahertz Communications
Wanming Hao, Gangcan Sun, Ming Zeng +4
Recently, terahertz (THz) communication has drawn considerable attention as one of the promising technologies for the future wireless communications owning to its ultra-wide bandwi…
Rate-Splitting for Multigroup Multicast Beamforming in Multicarrier Systems
Hongzhi Chen, De Mi, Zheng Chu +2
In this paper, we consider multigroup multicast transmissions with different types of service messages in an overloaded multicarrier system, where the number of transmitter antenna…
Enhancing PHY Security of MISO NOMA SWIPT Systems With a Practical Non-Linear EH Model
Fuhui Zhou, Zheng Chu, Yongpeng Wu +2
Non-orthogonal multiple-access (NOMA) and simultaneous wireless information and power transfer (SWIPT) are promising techniques to improve spectral efficiency and energy efficiency…
Secure Wireless Powered and Cooperative Jamming D2D Communications
Zheng Chu, Huan X. Nguyen, Tuan Anh Le +3
This paper investigates a secure wireless-powered device-to-device (D2D) communication network in the presence of multiple eavesdroppers, where a hybrid base station (BS) in a cell…
Resource Allocation for Secure MISO-NOMA Cognitive Radios Relying on SWIPT
Fuhui Zhou, Zheng Chu, Haijian Sun +1
Cognitive radio (CR) and non-orthogonal multiple access (NOMA) are two promising technologies in the next generation wireless communication systems. The security of a NOMA CR netwo…
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…
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,…
Robust Designs of Beamforming and Power Splitting for Distributed Antenna Systems with Wireless Energy Harvesting
Zhengyu Zhu, Sai Huang, Zheng Chu +3
In this paper, we investigate a multiuser distributed antenna system with simultaneous wireless information and power transmission under the assumption of imperfect channel state i…
Optimal Transmit Beamforming for Secure SWIPT in Heterogeneous Networks
Bin Li, Zesong Fei, Zheng Chu
This letter investigates the artificial noise aided beamforming design for secure simultaneous wireless information and power transfer (SWIPT) in a two-tier downlink heterogeneous…
Energy-Efficient Power Allocation in Millimeter Wave Massive MIMO with Non-Orthogonal Multiple Access
Wanming Hao, Ming Zeng, Zheng Chu +1
In this letter, we investigate the energy efficiency (EE) problem in a millimeter wave (mmWave) massive MIMO (mMIMO) system with non-orthogonal multiple access (NOMA). Multiple two…
Resource Allocations for Secure Cognitive Satellite Terrestrial Networks
Bin Li, Zesong Fei, Xiaoming Xu +1
Cognitive satellite-terrestrial networks (STNs) have been recognized as the promising architecture for addressing spectrum scarcity in the next generation communication networks. I…
Resource Allocation Strategies for Secure WPCN Multiantenna Multicasting Systems
Zheng Chu, Huan X. Nguyen, Giuseppe Caire
This paper investigates a secure wireless-powered multiantenna multicasting system, where multiple power beacons (PBs) supply power to a transmitter in order to establish a reliabl…
Robust Sum Secrecy Rate Optimization for MIMO Two-way Full Duplex Systems
Zheng Chu, Tuan Anh Le, Huan X. Nguyen +2
This paper considers multiple-input multiple-output (MIMO) full-duplex (FD) two-way secrecy systems. Specifically, both multi-antenna FD legitimate nodes exchange their own confide…
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…
Simultaneous Wireless Information Power Transfer for MISO Secrecy Channel
Zheng Chu, Martin Johnston, Stephane Le Goff
This paper investigates simultaneous wireless information and power transfer (SWIPT) for multiuser multiple-input-single-output (MISO) secrecy channel. First, transmit beamfoming w…
To Harvest and Jam: A Paradigm of Self-Sustaining Friendly Jammers for Secure AF Relaying
Hong Xing, Kai-Kit Wong, Zheng Chu +1
This paper studies the use of multi-antenna harvest-and-jam (HJ) helpers in a multi-antenna amplify-and-forward (AF) relay wiretap channel assuming that the direct link between the…