Search Results for author: Boya Di

Found 19 papers, 0 papers with code

Multi-target Detection for Reconfigurable Holographic Surfaces Enabled Radar

no code implementations17 Jan 2024 XiaoYu Zhang, Haobo Zhang, Ruoqi Deng, Liang Liu, Boya Di

Multi-target detection is one of the primary tasks in radar-based localization and sensing, typically built on phased array antennas.

Unified Near-field and Far-field Localization with Holographic MIMO

no code implementations12 Jan 2024 Mengyuan Cao, Haobo Zhang, Boya Di, Hongliang Zhang

In this paper, a unified NF and FF localization method is proposed for the RIS-enabled localization system to overcome the above issue.

Reconfigurable Holographic Surface Aided Wireless Simultaneous Localization and Mapping

no code implementations7 Jan 2024 Haobo Zhang, Ziang Yang, Hongliang Zhang, Boya Di, Lingyang Song

As a crucial facilitator of future autonomous driving applications, wireless simultaneous localization and mapping (SLAM) has drawn growing attention recently.

Autonomous Driving Simultaneous Localization and Mapping

A Heterogeneous 6G Networked Sensing Architecture with Active and Passive Anchors

no code implementations4 May 2023 QiPeng Wang, Liang Liu, Shuowen Zhang, Boya Di, Francis C. M. Lau

In this paper, we show that the distance between a target and its associated IRS can be indirectly estimated based on the length of the BS-target-BS path and the BS-target-IRS-BS path.

Reconfigurable Holographic Surface: A New Paradigm to Implement Holographic Radio

no code implementations28 Dec 2022 Ruoqi Deng, Yutong Zhang, Haobo Zhang, Boya Di, Hongliang Zhang, Lingyang Song

Ultra-massive multiple-input multiple-output (MIMO) is one of the key enablers in the forthcoming 6G networks to provide high-speed data services by exploiting spatial diversity.

Diversity

Holographic Integrated Sensing and Communications: Principles, Technology, and Implementation

no code implementations16 Nov 2022 Haobo Zhang, Hongliang Zhang, Boya Di, Lingyang Song

We first introduce the hardware structure and working principle of the RHS and then propose a novel holographic beamforming scheme for ISAC.

Diversity

Intelligent Omni-Surfaces Aided Wireless Communications: Does the Reciprocity Hold?

no code implementations6 Nov 2022 Shaohua Yue, Shuhao Zeng, Hongliang Zhang, Fenghan Lin, Liang Liu, Boya Di

Intelligent omni-surfaces (IOS) have attracted great attention recently due to its potential to achieve full-dimensional communications by simultaneously reflecting and refracting signals toward both sides of the surface.

Open-Ended Question Answering

Meta-material Sensor Based Internet of Things: Design, Optimization, and Implementation

no code implementations26 Jun 2022 Jingzhi Hu, Hongliang Zhang, Boya Di, Zhu Han, H. Vincent Poor, Lingyang Song

However, to maximize the sensing accuracy, the structures of meta-IoT sensors need to be optimized considering their joint influence on sensing and transmission, which is challenging due to the high computational complexity in evaluating the influence, especially given a large number of sensors.

MetaRadar: Multi-target Detection for Reconfigurable Intelligent Surface Aided Radar Systems

no code implementations25 Feb 2022 Haobo Zhang, Hongliang Zhang, Boya Di, Kaigui Bian, Zhu Han, Lingyang Song

To address this issue, we propose to use the reconfigurable intelligent surface (RIS) to improve the detection accuracy of radar systems due to its capability to customize channel conditions by adjusting its phase shifts, which is referred to as MetaRadar.

Reconfigurable Holographic Surfaces for Future Wireless Communications

no code implementations13 Dec 2021 Ruoqi Deng, Boya Di, Hongliang Zhang, Dusit Niyato, Zhu Han, H. Vincent Poor, Lingyang Song

Future wireless communications look forward to constructing a ubiquitous intelligent information network with high data rates through cost-efficient devices.

Integrated Satellite-HAP-Terrestrial Networks for Dual-Band Connectivity

no code implementations6 Jul 2021 Wenwei Zhang, Ruoqi Deng, Boya Di, Lingyang Song

The recent development of high-altitude platforms (HAPs) has attracted increasing attention since they can serve as a promising communication method to assist satellite-terrestrial networks.

Meta-material Sensors based Internet of Things for 6G Communications

no code implementations3 Jul 2021 Jingzhi Hu, Hongliang Zhang, Boya Di, Kaigui Bian, Lingyang Song

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.

Deployment Optimization for Meta-material Based Internet of Things

no code implementations3 Jul 2021 Xu Liu, Jingzhi Hu, Hongliang Zhang, Boya Di, Lingyang Song

It is a challenge to optimize the positions of the Meta-IoT devices to ensure sensing accuracy of 3D environmental conditions.

MetaLocalization: Reconfigurable Intelligent Surface Aided Multi-user Wireless Indoor Localization

no code implementations18 Nov 2020 Haobo Zhang, Hongliang Zhang, Boya Di, Kaigui Bian, Zhu Han, Lingyang Song

As the RIS is able to customize the radio channels by adjusting the phase shifts of the signals reflected at the surface, the localization accuracy in the RIS aided scheme can be improved by choosing the proper phase shifts with significant differences of RSS values among adjacent locations.

Indoor Localization

Intelligent Omni-Surface: Ubiquitous Wireless Transmission by Reflective-Transmissive Metasurface

no code implementations2 Nov 2020 Shuhang Zhang, Hongliang Zhang, Boya Di, Yunhua Tan, Marco Di Renzo, Zhu Han, H. Vincent Poor, Lingyang Song

Intelligent reflecting surface (IRS), which is capable to adjust propagation conditions by controlling phase shifts of the reflected waves that impinge on the surface, has been widely analyzed for enhancing the performance of wireless systems.

Beyond Intelligent Reflecting Surfaces: Reflective-Transmissive Metasurface Aided Communications for Full-dimensional Coverage Extension

no code implementations15 Sep 2020 Shuhang Zhang, Hongliang Zhang, Boya Di, Yunhua Tan, Zhu Han, Lingyang Song

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 phase shift design.

Signal Processing

MetaRadar: Indoor Localization by Reconfigurable Metamaterials

no code implementations6 Aug 2020 Haobo Zhang, Jingzhi Hu, Hongliang Zhang, Boya Di, Kaigui Bian, Zhu Han, Lingyang Song

However, in MetaRadar, it is challenging to build radio maps for all the radio environments generated by metamaterial units and select suitable maps from all the possible maps to realize a high accuracy localization.

Indoor Localization

Towards Ubiquitous Positioning by Leveraging Reconfigurable Intelligent Surface

no code implementations10 Jul 2020 Haobo Zhang, Hongliang Zhang, Boya Di, Kaigui Bian, Zhu Han, Lingyang Song

The received signal strength (RSS) based technique is widely utilized for ubiquitous positioning due to its advantage of simple implementability.

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