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The sixth generation (6G) targets ultra reliable, low latency (URLLC) gigabit connectivity in mmWave bands, where directional channels require precise beam alignment. Reconfigurable intelligent surfaces (RIS) reshape wave propagation and…

信号处理 · 电气工程与系统科学 2025-10-29 M. T. Hassan , D. Zelenchuk , M. A. B. Abbasi

In this paper, we examine the distribution of radio signal propagation within the city of Poznan (Poland) to determine optimal locations for deploying Reconfigurable Intelligent Surfaces (RIS). The study focuses on designing a 5G/6G Radio…

网络与互联网体系结构 · 计算机科学 2026-03-20 Adam Samorzewski , Adrian Kliks

This paper proposes a robust resource allocation framework for a low Earth orbit (LEO) satellite-enabled simultaneous wireless information and power transfer (SWIPT) system, assisted by a ground-deployed simultaneously transmitting and…

信号处理 · 电气工程与系统科学 2025-09-03 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

The advent of 6G is expected to enable many use cases which may rely on accurate knowledge of the location and orientation of user equipment (UE). The conventional localization methods suffer from limitations such as synchronization and…

信号处理 · 电气工程与系统科学 2025-05-06 Srikar Sharma Sadhu , Praful D. Mankar , Santosh Nannuru

The Moon is a primary focus of space exploration. Current navigation methods face significant limitations in providing precise location data for lunar missions. In particular, existing methods often require direct Line of Sight to Earth,…

信号处理 · 电气工程与系统科学 2025-04-07 Tim Gong , Andrew Dempster

As a key complement to terrestrial networks and a fundamental component of future 6G systems, Low Earth Orbit (LEO) satellite networks are expected to provide high-quality communication services when integrated with ground-based…

分布式、并行与集群计算 · 计算机科学 2025-12-30 Zixuan Song , Zhishu Shen , Xiaoyu Zheng , Qiushi Zheng , Zheng Lei , Jiong Jin

5G radio positioning exploits information in both angle and delay, by virtue of increased bandwidth and large antenna arrays. When large arrays are embedded in surfaces, they can passively steer electromagnetic waves in preferred directions…

信号处理 · 电气工程与系统科学 2020-08-27 Henk Wymeersch , Benoît Denis

Low Earth orbit (LEO) satellites has brought about significant improvements in wireless communications, characterized by low latency and reduced transmission loss compared to geostationary orbit (GSO) satellites. Ultra-dense LEO satellites…

信息论 · 计算机科学 2024-12-12 Trinh Van Chien , Nguyen Minh Quan , Tri Nhu Do , Cuong Le , Tan N. Nguyen , Symeon Chatzinotas

Low earth orbit (LEO) satellite navigation signal can be used as an opportunity signal in case of a Global navigation satellite system (GNSS) outage, or as an enhancement means of traditional GNSS positioning algorithms. No matter which…

信号处理 · 电气工程与系统科学 2021-06-01 Liang Chen , Xiangchen Lu , Nan Shen , Lei Wang , Yuan Zhuang , Ye Su , Deren Li , Ruizhi Chen

Reconfigurable intelligent surfaces (RISs) are considered as an enabling technology for the upcoming sixth generation of wireless systems, exhibiting significant potential for radio localization and sensing. An RIS is usually treated as an…

信号处理 · 电气工程与系统科学 2023-11-16 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

The proliferation of intelligent transportation systems (ITS) has led to increasing demand for diverse network applications. However, conventional terrestrial access networks (TANs) are inadequate in accommodating various applications for…

网络与互联网体系结构 · 计算机科学 2023-06-16 Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Walid Saad , Zhu Han , Choong Seon Hong

Reconfigurable intelligent surfaces (RISs) are set to be a revolutionary technology in the 6th generation of wireless systems. In this work, we study the application of RIS in a multi-user passive localization scenario, where we have one…

信号处理 · 电气工程与系统科学 2021-04-27 Kamran Keykhosravi , Musa Furkan Keskin , Satyam Dwivedi , Gonzalo Seco-Granados , Henk Wymeersch

The landscape of global navigation satellite systems (GNSS) is expanding with the emergence of low Earth orbit (LEO) constellations such as Pulsar, which are expected to play a key role in the future of positioning, navigation, and timing…

信号处理 · 电气工程与系统科学 2025-10-08 Jérôme Leclère , Thyagaraja Marathe , Tyler G. R. Reid

Integrated communications and localization (ICAL) will play an important part in future sixth generation (6G) networks for the realization of Internet of Everything (IoE) to support both global communications and seamless localization.…

With numerous ongoing deployments owned by private companies and startups, dense satellite constellations deployed in low Earth orbit (LEO) will play a major role in the near future of wireless communications. In addition, the 3rd…

网络与互联网体系结构 · 计算机科学 2021-01-12 Israel Leyva-Mayorga , Beatriz Soret , Petar Popovski

Low Earth Orbit (LEO) Satellite Network (SatNet) with their mega-constellations are expected to play a key role in providing ubiquitous Internet and communications services in the future. LEO SatNets will provide wide-area coverage and…

网络与互联网体系结构 · 计算机科学 2021-10-19 Tasneem Darwish , Gunes Karabulut Kurt , Halim Yanikomeroglu , Michel Bellemare , Guillaume Lamontagne

The growing availability of low-Earth orbit (LEO) satellites, coupled with the anticipated widespread deployment of reconfigurable intelligent surfaces (RISs), opens up promising prospects for new localization paradigms. This paper studies…

信号处理 · 电气工程与系统科学 2023-09-15 Lei Wang , Pinjun Zheng , Xing Liu , Tarig Ballal , Tareq Y. Al-Naffouri

A potential candidate technology for the development of future 6G networks has been recognized as Reconfigurable Intelligent Surface (RIS). However, due to the variation in radio link quality, traditional passive RISs only accomplish a…

信号处理 · 电气工程与系统科学 2023-09-26 Rashed Hasan Ratul , Muhammad Iqbal , Tabinda Ashraf , Jen-Yi Pan , Yi-Han Wang , Shao-Yu Lien

Reconfigurable intelligent surfaces (RISs) are one of the most promising technological enablers of the next (6th) generation of wireless systems. In this paper, we introduce a novel use-case of the RIS technology in radio localization,…

信号处理 · 电气工程与系统科学 2022-02-24 Kamran Keykhosravi , Gonzalo Seco-Granados , George C. Alexandropoulos , Henk Wymeersch

Low Earth orbit Satellite Networks (LSNs) have been advocated as a key infrastructure for truly global coverage in the forthcoming 6G. This paper presents our initial measurement results and observations on the end-to-end network…

网络与互联网体系结构 · 计算机科学 2022-12-29 Sami Ma , Yi Ching Chou , Haoyuan Zhao , Long Chen , Xiaoqiang Ma , Jiangchuan Liu