100 citations · 382 across the 16 of their papers we have counts for
14 papers · 1 filter
Secure Coverage Enhancement in Aerial Reconfigurable Intelligent Surface-Assisted High-Speed Train Communication Systems
Changzhu Liu, Ruisi He, Bo Ai +6
High-speed trains (HSTs) have become a prominent means of transportation, requiring high data rates and reliable communication services for HST passengers. However, the wireless ch…
Reconfigurable Intelligent Surface Assisted High-Speed Train Communications: Coverage Performance Analysis and Placement Optimization
Changzhu Liu, Ruisi He, Yong Niu +6
Reconfigurable intelligent surface (RIS) emerges as an efficient and promising technology for the next wireless generation networks and has attracted a lot of attention owing to th…
Breaking the Interference and Fading Gridlock in Backscatter Communications: State-of-the-Art, Design Challenges, and Future Directions
Bowen Gu, Dong Li, Haiyang Ding +2
As the Internet of Things (IoT) advances by leaps and bounds, a multitude of devices are becoming interconnected, marking the onset of an era where all things are connected. While…
Doppler Shift and Channel Estimation for Intelligent Transparent Surface Assisted Communication Systems on High-Speed Railways
Yirun Wang, Gongpu Wang, Ruisi He +2
The critical distinction between the emerging intelligent transparent surface (ITS) and intelligent reflection surface (IRS) is that the incident signals can penetrate the ITS inst…
Channel Estimation for Wireless Communication Systems Assisted by Large Intelligent Surfaces
Junliang Lin, Gongpu Wang, Rongfei Fan +2
In this letter, the channel estimation problem is studied for wireless communication systems assisted by large intelligent surface. Due to features of assistant channel, channel es…
Throughput Maximization in Two-hop DF Multiple-Relay Network with Simultaneous Wireless Information and Power Transfer
Qi Gu, Gongpu Wang, Rongfei Fan +2
This paper investigates the end-to-end throughput maximization problem for a two-hop multiple-relay network, with relays powered by simultaneous wireless information and power tran…
Energy-Efficient Mobile-Edge Computation Offloading over Multiple Fading Blocks
Rongfei Fan, Fudong Li, Song Jin +3
By allowing a mobile device to offload computation-intensive tasks to a base station, mobile edge computing (MEC) is a promising solution for saving the mobile device's energy. In…
Transceiver Design for Ambient Backscatter Communication over Frequency-Selective Channels
Chong Zhang, Yao Qin, Gongpu Wang +2
Existing studies about ambient backscatter communication mostly assume flat-fading channels. However, frequency-selective channels widely exist in many practical scenarios. Therefo…
Interference-Free Transceiver Design and Signal Detection for Ambient Backscatter Communication Systems over Frequency-Selective Channels
Chong Zhang, Gongpu Wang, Panagiotis D. Diamantoulakis +2
In this letter, we study the ambient backscatter communication systems over frequency-selective channels. Specifically, we propose an interference-free transceiver design to facili…
Outage Analysis of Ambient Backscatter Communication Systems
Wenjing Zhao, Gongpu Wang, Saman Atapattu +1
This paper addresses the problem of outage characterization of an ambient backscatter communication system with a pair of passive tag and reader. In particular, an exact expression…
Semi-coherent Detection and Performance Analysis for Ambient Backscatter System
Jing Qian, Feifei Gao, Gongpu Wang +2
We study a novel communication mechanism, ambient backscatter, that utilizes radio frequency (RF) signals transmitted from an ambient source as both energy supply and information c…
Intercept Behavior Analysis of Industrial Wireless Sensor Networks in the Presence of Eavesdropping Attack
Yulong Zou, Gongpu Wang
This paper studies the intercept behavior of an industrial wireless sensor network (WSN) consisting of a sink node and multiple sensors in the presence of an eavesdropping attacker…
On Secrecy Performance of Antenna Selection Aided MIMO Systems Against Eavesdropping
Jia Zhu, Yulong Zou, Gongpu Wang +2
In this paper, we consider a multiple-input multiple-output (MIMO) system consisting of one source, one destination and one eavesdropper, where each node is equipped with an arbitr…
Secrecy Outage Probability Analysis of Multi-User Multi-Eavesdropper Wireless Systems
Yulong Zou, Jia Zhu, Gongpu Wang +1
In this paper, we explore the physical-layer security of a multi-user wireless system that consists of multiple users intending to transmit to a base station (BS), while multiple e…