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Related papers: Multi-RIS-Enabled 3D Sidelink Positioning

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Reconfigurable Intelligent Surfaces (RISs) are announced as a truly transformative technology, capable of smartly shaping wireless environments to optimize next-generation communication networks. Among their numerous foreseen applications,…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Moustafa Rahal , Benoit Denis , Taghrid Mazloum , Frederic Munoz , Raffaele D Errico

A Reconfigurable Intelligent Surface (RIS) can significantly enhance network positioning and mapping, acting as an additional anchor point in the reference system and improving signal strength and measurement diversity through the…

Information Theory · Computer Science 2024-11-15 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos , Florin Grec

Reconfigurable intelligent surfaces (RISs) assist in paving the way for the evolution of conventional vehicular networks to autonomous driving. Having said that, the 3rd Generation Partnership Project (3GPP) faces numerous open challenges…

Signal Processing · Electrical Eng. & Systems 2022-03-08 Yuanbin Chen , Ying Wang , Jiayi Zhang , Ping Zhang , Lajos Hanzo

In this letter, we investigate the design of multiple reconfigurable intelligent sensing surfaces (RISSs) that enhance both communication and sensing tasks. An RISS incorporates additional active elements tailored to improve sensing…

Signal Processing · Electrical Eng. & Systems 2024-09-11 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang , Bo Lei

Can reconfigurable intelligent surfaces (RISs) operate in a standalone mode that is completely transparent to the 3GPP 5G initial access process? Realizing that may greatly simplify the deployment and operation of these surfaces and reduce…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Shuaifeng Jiang , Ahmed Hindy , Ahmed Alkhateeb

In traditional Reconfigurable Intelligent Surfaces (RIS) systems, the RIS is mounted on stationary structures like buildings, walls, or posts. They have shown promising results in enhancing the performance of wireless systems like capacity…

Signal Processing · Electrical Eng. & Systems 2024-12-24 I. Zakir Ahmed , Hamid Sadjadpour

The following paper proposes a new target localization system design using an architecture based on reconfigurable intelligent surfaces (RISs) and passive radars (PRs) for integrated sensing and communications systems. The preamble of the…

Signal Processing · Electrical Eng. & Systems 2024-01-02 Dexin Wang , Ahmad Bazzi , Marwa Chafii

The increasing demand for Internet of Things (IoT) applications has accelerated the need for robust resource allocation in sixth-generation (6G) networks. In this paper, we propose a reconfigurable intelligent surface (RIS)-assisted upper…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Muddasir Rahim , Soumaya Cherkaoui

Reconfigurable intelligent surfaces (RIS) enable smart wireless environments by dynamically controlling signal propagation to enhance communication and localization. Unmanned aerial vehicles (UAVs) can act as flying base stations and thus,…

Systems and Control · Electrical Eng. & Systems 2025-11-11 Anupam Mondal , Priyadarshi Mukherjee , Sasthi C. Ghosh

A reconfigurable intelligent surface (RIS) allows a reflection transmission path between a base station (BS) and user equipment (UE). In wireless localization, this reflection path aids in positioning accuracy, especially when the…

Signal Processing · Electrical Eng. & Systems 2023-06-14 Wei Zhang , Zhenni Wang , Wee Peng Tay

Traditional single-input single-output (SISO) systems face fundamental limitations in achieving accurate three-dimensional (3D) localization due to limited spatial degrees of freedom (DoF) and the adverse impact of multipath propagation.…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Hua Chen , Tao Gong , Tuo Wu , Maged Elkashlan , Baiyang Liu , Chan-Byoung Chae , Kin-Fai Tong , Kai-Kit Wong

Reconfigurable intelligent surfaces (RISs) bring various benefits to the current and upcoming wireless networks, including enhanced spectrum and energy efficiency, soft handover, transmission reliability, and even localization accuracy.…

Signal Processing · Electrical Eng. & Systems 2023-10-03 Jiguang He , Aymen Fakhreddine , Arthur S. de Sena , Yu Tian , Merouane Debbah

This paper considers the application of reconfigurable intelligent surfaces (RISs) (a.k.a. intelligent reflecting surfaces (IRSs)) to assist multiuser multiple-input multiple-output (MIMO) uplink transmission from several multi-antenna user…

Information Theory · Computer Science 2021-09-14 Li You , Jiayuan Xiong , Yufei Huang , Derrick Wing Kwan Ng , Cunhua Pan , Wenjin Wang , Xiqi Gao

In this paper, we introduce the concept of partially-connected Receiving Reconfigurable Intelligent Surfaces (R-RISs), which refers to metasurfaces designed to efficiently sense electromagnetic waveforms impinging on them, and perform…

Signal Processing · Electrical Eng. & Systems 2022-12-06 Jiguang He , Aymen Fakhreddine , Charles Vanwynsberghe , Henk Wymeersch , George C. Alexandropoulos

Reconfigurable intelligent surfaces (RISs) not only assist communication but also help the localization of user equipment (UE). This study focuses on the indoor localization of UE with a single access point (AP) aided by multiple RISs.…

Information Theory · Computer Science 2025-05-06 Xiyu Wang , Yixuan Huang , Jie Yang , Yu Han , Shi Jin

Reconfigurable intelligent surfaces (RISs) is a promising solution for enhancing the performance of multihop wireless communication networks. In this paper, we propose a double-RIS assisted multihop routing scheme for a device-to-device…

Systems and Control · Electrical Eng. & Systems 2024-03-25 Lakshmikanta Sau , Priyadarshi Mukherjee , Sasthi C. Ghosh

Reconfigurable intelligent surfaces (RISs) have emerged as a spectrum- and energy-efficient technology to enhance the coverage of wireless communications within the upcoming 6G networks. Recently, novel extensions of this technology,…

Signal Processing · Electrical Eng. & Systems 2024-06-07 Mostafa Samy , Hayder Al-Hraishawi , Abuzar B. M. Adam , Konstantinos Ntontin , Symeon Chatzinotas , Björn Otteresten

We consider the problem of joint three-dimensional localization and synchronization for a single-input single-output (SISO) system in the presence of a reconfigurable intelligent surface (RIS), equipped with a uniform planar array. First,…

Signal Processing · Electrical Eng. & Systems 2021-02-18 Kamran Keykhosravi , Musa Furkan Keskin , Gonzalo Seco-Granados , Henk Wymeersch

This paper investigates an integrated sensing and communication system where the base station serves multiple downlink users, while employing a passive reconfigurable intelligent surface to detect small, noncooperative airborne targets. We…

Signal Processing · Electrical Eng. & Systems 2025-05-26 Georgios Mylonopoulos , Luca Venturino , Emanuele Grossi , Stefano Buzzi , Ciro D'Elia

Intelligent reflecting surface (IRS) is regarded as a revolutionary paradigm that can reconfigure the wireless propagation environment for enhancing the desired signal and/or weakening the interference, and thus improving the quality of…

Information Theory · Computer Science 2023-12-19 Xintong Chen , Jiangbin Lyu , Liqun Fu