28 citations · 284 across the 67 of their papers we have counts for
30 papers · 1 filter
RIS-Aided Dual-Polarized MIMO: How Large a Surface is Needed to Beat Single Polarization?
Zizhou Zheng, Huan Huang, Hongliang Zhang +1
Dual-polarized (DP) multiple-input-multiple-output (MIMO) systems have been widely adopted in commercial mobile wireless communications. Such systems achieve multiplexing and diver…
DISCO Might Not Be Funky: Random Intelligent Reflective Surface Configurations That Attack
Huan Huang, Lipeng Dai, Hongliang Zhang +5
Emerging intelligent reflective surfaces (IRSs) significantly improve system performance, but also pose a significant risk for physical layer security (PLS). Unlike the extensive r…
Anti-Jamming Precoding Against Disco Intelligent Reflecting Surfaces Based Fully-Passive Jamming Attacks
Huan Huang, Lipeng Dai, Hongliang Zhang +5
Emerging intelligent reflecting surfaces (IRSs) significantly improve system performance, but also pose a huge risk for physical layer security. Existing works have illustrated tha…
An Anti-Jamming Strategy for Disco Intelligent Reflecting Surfaces Based Fully-Passive Jamming Attacks
Huan Huang, Hongliang Zhang, Yi Cai +2
Emerging intelligent reflecting surfaces (IRSs) significantly improve system performance, while also pose a huge risk for physical layer security. A disco IRS (DIRS), i.e., an ille…
Disco Intelligent Reflecting Surfaces: Active Channel Aging for Fully-Passive Jamming Attacks
Huan Huang, Ying Zhang, Hongliang Zhang +3
Due to the open communications environment in wireless channels, wireless networks are vulnerable to jamming attacks. However, existing approaches for jamming rely on knowledge of…
Intelligent Omni-Surfaces Aided Wireless Communications: Does the Reciprocity Hold?
Shaohua Yue, Shuhao Zeng, Hongliang Zhang +3
Intelligent omni-surfaces (IOS) have attracted great attention recently due to its potential to achieve full-dimensional communications by simultaneously reflecting and refracting…
Meta-material Sensor Based Internet of Things: Design, Optimization, and Implementation
Jingzhi Hu, Hongliang Zhang, Boya Di +3
For many applications envisioned for the Internet of Things (IoT), it is expected that the sensors will have very low costs and zero power, which can be satisfied by meta-material…
MetaRadar: Multi-target Detection for Reconfigurable Intelligent Surface Aided Radar Systems
Haobo Zhang, Hongliang Zhang, Boya Di +3
As a widely used localization and sensing technique, radars will play an important role in future wireless networks. However, the wireless channels between the radar and the target…
Reconfigurable Holographic Surfaces for Future Wireless Communications
Ruoqi Deng, Boya Di, Hongliang Zhang +4
Future wireless communications look forward to constructing a ubiquitous intelligent information network with high data rates through cost-efficient devices. Benefiting from the tu…
MetaSketch: Wireless Semantic Segmentation by Metamaterial Surfaces
Jingzhi Hu, Hongliang Zhang, Kaigui Bian +3
Semantic segmentation is a process of partitioning an image into multiple segments for recognizing humans and objects, which can be widely applied in scenarios such as healthcare a…
Wireless Indoor Simultaneous Localization and Mapping Using Reconfigurable Intelligent Surface
Ziang Yang, Haobo Zhang, Boya Di +3
Indoor wireless simultaneous localization and mapping (SLAM) is considered as a promising technique to provide positioning services in future 6G systems. However, the accuracy of t…
Deployment Optimization for Meta-material Based Internet of Things
Xu Liu, Jingzhi Hu, Hongliang Zhang +2
In this paper, we propose a Meta-IoT system to achieve ubiquitous deployment and pervasive sensing for future Internet of Things (IoT). In such a system, sensors are composed of de…
Meta-material Sensors based Internet of Things for 6G Communications
Jingzhi Hu, Hongliang Zhang, Boya Di +2
In the coming 6G communications, the internet of things (IoT) serves as a key enabler to collect environmental information and is expected to achieve ubiquitous deployment. However…
MetaSensing: Intelligent Metasurface Assisted RF 3D Sensing by Deep Reinforcement Learning
Jingzhi Hu, Hongliang Zhang, Kaigui Bian +3
Using RF signals for wireless sensing has gained increasing attention. However, due to the unwanted multi-path fading in uncontrollable radio environments, the accuracy of RF sensi…
MetaLocalization: Reconfigurable Intelligent Surface Aided Multi-user Wireless Indoor Localization
Haobo Zhang, Hongliang Zhang, Boya Di +3
The received signal strength (RSS) based technique is extensively utilized for localization in the indoor environments. Since the RSS values of neighboring locations may be similar…
On Spatial Multiplexing Using Reconfigurable Intelligent Surfaces
Mohamed A. ElMossallamy, Hongliang Zhang, Radwa Sultan +4
We consider an uplink multi-user scenario and investigate the use of reconfigurable intelligent surfaces (RIS) to optimize spatial multiplexing performance when a linear receiver i…
Beyond Intelligent Reflecting Surfaces: Reflective-Transmissive Metasurface Aided Communications for Full-dimensional Coverage Extension
Shuhang Zhang, Hongliang Zhang, Boya Di +3
In this paper, we study an intelligent omni-surface (IOS)-assisted downlink communication system, where the link quality of a mobile user (MU) can be improved with a proper IOS pha…
Sense-Store-Send: Trajectory Optimization for a Buffer-aided Internet of UAVs
Yujie Jin, Hongliang Zhang, Shuhang Zhang +2
In this letter, we study a buffer-aided Internet of unmanned aerial vehicles (UAVs) in which a UAV performs data sensing, stores the data, and sends it to the base station (BS) in…
MetaRadar: Indoor Localization by Reconfigurable Metamaterials
Haobo Zhang, Jingzhi Hu, Hongliang Zhang +4
Indoor localization has drawn much attention owing to its potential for supporting location based services. Among various indoor localization techniques, the received signal streng…
Cooperative Internet of UAVs: Distributed Trajectory Design by Multi-agent Deep Reinforcement Learning
Jingzhi Hu, Hongliang Zhang, Lingyang Song +2
Due to the advantages of flexible deployment and extensive coverage, unmanned aerial vehicles (UAVs) have great potential for sensing applications in the next generation of cellula…
Reconfigurable Intelligent Surfaces for Wireless Communications: Principles, Challenges, and Opportunities
Mohamed A. ElMossallamy, Hongliang Zhang, Lingyang Song +3
Recently there has been a flurry of research on the use of reconfigurable intelligent surfaces (RIS) in wireless networks to create smart radio environments. In a smart radio envir…
Beyond D2D: Full Dimension UAV-to-Everything Communications in 6G
Shuhang Zhang, Hongliang Zhang, Lingyang Song
In this paper, we consider an Internet of unmanned aerial vehicles (UAVs) over cellular networks, where UAVs work as aerial users to collect various sensory data, and send the coll…
Cellular UAV-to-Device Communications: Trajectory Design and Mode Selection by Multi-agent Deep Reinforcement Learning
F. Wu, H. Zhang, J. Wu +1
In the current unmanned aircraft systems (UASs) for sensing services, unmanned aerial vehicles (UAVs) transmit their sensory data to terrestrial mobile devices over the unlicensed…
Sensing and Communication Tradeoff Design for AoI Minimization in a Cellular Internet of UAVs
Shuhang Zhang, Hongliang Zhang, Lingyang Song +2
In this paper, we consider the cellular Internet of unmanned aerial vehicles (UAVs), where UAVs sense data for multiple tasks and transmit the data to the base station (BS). To qua…