中文
相关论文

相关论文: Multipath Exploitation for Fluctuating Target Dete…

200 篇论文

In this paper, we consider a hybrid reconfigurable intelligent surface (RIS) comprising of active and passive elements to aid an integrated sensing and communication (ISAC) system serving multiple users and targets. Active elements in a…

信号处理 · 电气工程与系统科学 2022-03-14 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri

Energy efficiency (EE) is a challenging task in integrated sensing and communication (ISAC) systems, where high spectral efficiency and low energy consumption appear as conflicting requirements. Although passive reconfigurable intelligent…

信号处理 · 电气工程与系统科学 2024-09-23 Junjie Ye , Mohamed Rihan , Peichang Zhang , Lei Huang , Stefano Buzzi , Zhen Chen

The advent of Reconfigurable Intelligent Surfaces (RISs) in wireless communication networks unlocks the way to support high frequency radio access (e.g. in millimeter wave) while overcoming their sensitivity to the presence of deep fading…

信息论 · 计算机科学 2022-05-31 Fatima Ezzahra Airod , Mattia Merluzzi , Paolo Di Lorenzo , Emilio Calvanese Strinati

Existing works mainly rely on the far-field planar-wave-based channel model to assess the performance of reconfigurable intelligent surface (RIS)-enabled wireless communication systems. However, when the transmitter and receiver are in…

信号处理 · 电气工程与系统科学 2024-03-20 Hao Jiang , Wangqi Shi , Zaichen Zhang , Cunhua Pan , Qingqing Wu , Feng Shu , Ruiqi Liu , Jiangzhou Wang

Reconfigurable intelligent surface (RIS) has emerged as a pivotal technology for enhancing wireless networks. Compared to terrestrial RIS deployed on building facades, aerial RIS (ARIS) mounted on quadrotor unmanned aerial vehicle (UAV)…

信号处理 · 电气工程与系统科学 2025-10-30 Bin Li , Dongdong Yang , Lei Liu , Dusit Niyato

Reconfigurable intelligent surface (RIS) has drawn considerable attention from the research society recently, which creates favorable propagation conditions by controlling the phase shifts of the reflected waves at the surface, thereby…

信息论 · 计算机科学 2019-11-01 Boya Di , Hongliang Zhang , Lingyang Song , Yonghui Li , Zhu Han , H. Vincent Poor

This paper investigates flexible beamforming design in an integrated sensing and communication (ISAC) network with movable antennas (MAs). A bistatic radar system is integrated into a multi-user multiple-input-single-output (MU-MISO)…

信号处理 · 电气工程与系统科学 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen

Reconfigurable intelligent surface (RIS) is a promising solution to deal with the blockage-sensitivity of millimeter wave band and reduce the high energy consumption caused by network densification. However, deploying large scale RISs may…

信息论 · 计算机科学 2024-02-12 Yining Xu , Sheng Zhou

Reconfigurable intelligent surfaces (RISs) can be densely deployed in the environment to create multi-reflection line-of-sight (LoS) links for signal coverage enhancement. However, conventional reflection-only RISs can only achieve…

信号处理 · 电气工程与系统科学 2025-05-21 Bonan An , Weidong Mei , Yuanwei Liu , Dong Wang , Zhi Chen

In this paper, we consider an integrated sensing and communication (ISAC) system with wireless power transfer (WPT) where multiple unmanned aerial vehicle (UAV)-based radars serve multiple clusters of energy-limited communication users in…

信号处理 · 电气工程与系统科学 2025-06-02 Omid Rezaei , Mohammad Mahdi Naghsh , Seyed Mohammad Karbasi , Mohammad Mahdi Nayebi

Reconfigurable Intelligent Surfaces (RISs), comprising large numbers of low-cost and passive metamaterials with tunable reflection properties, have been recently proposed as an enabler for programmable radio propagation environments.…

信息论 · 计算机科学 2021-09-17 Aris L. Moustakas , George C. Alexandropoulos , Mérouane Debbah

Reconfigurable Intelligent Surfaces (RIS) are an emerging technology that can be used to reconfigure the propagation environment to improve cellular communication link rates. RIS, which are thin metasurfaces composed of discrete elements,…

信号处理 · 电气工程与系统科学 2020-11-11 Pooja Nuti , Brian L. Evans

The emergence of technologies demanding high data rates and precise sensing, such as autonomous vehicles and IoT devices, has driven the popularity of integrated sensing and communication (ISAC) in recent years. ISAC provides a framework…

信号处理 · 电气工程与系统科学 2024-11-21 Ahmed Magbool , Vaibhav Kumar , Qingqing Wu , Marco Di Renzo , Mark F. Flanagan

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS), which consists of numerous passive elements, has recently emerged in wireless communication systems as a promising technology providing 360$^\circ$…

信号处理 · 电气工程与系统科学 2024-07-12 Hanxiao Ge , Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

We investigate resource allocation in integrated sensing and communication (ISAC) systems exploiting movable antennas (MAs) to enhance system performance. Unlike the existing ISAC literature, we account for dynamic radar cross-section (RCS)…

信号处理 · 电气工程与系统科学 2024-07-31 Ata Khalili , Robert Schober

Targeting the requirements of 6G, this paper investigates a semi-passive dual-reconfigurable intelligent surface (RIS)-assisted integrated sensing and communication (ISAC) system, tackling the max-min user signal-to-interference-plus-noise…

信息论 · 计算机科学 2026-03-24 Qing Xue , Yun Lan , Jiajia Guo , Qianbin Chen , Shaodan Ma

Reconfigurable intelligent surfaces (RISs) are one of the foremost technological enablers of future wireless systems. They improve communication and localization by providing a strong non-line-of-sight path to the receiver. In this paper,…

信号处理 · 电气工程与系统科学 2022-04-26 Kamran Keykhosravi , Henk Wymeersch

A novel reconfigurable intelligent surface (RIS)-aided hybrid reflection/transmitter design is proposed for achieving information exchange in cross-media communications. In pursuit of the balance between energy efficiency and low-cost…

信号处理 · 电气工程与系统科学 2022-11-08 Mingming Wu , Yue Xiao , Yulan Gao , Ming Xiao

Reconfigurable intelligent surface (RIS) as a smart reflector is revolutionizing research for next-generation wireless communications. Complementing this is a concept of using RIS as an efficient propagation medium for potentially superior…

信号处理 · 电气工程与系统科学 2023-08-04 Z. Chu , K. F. Tong , K. K. Wong , C. B. Chae , C. H. Chan

This paper addresses the topic of integrated sensing and communications (ISAC) in 5G and emerging 6G wireless networks. ISAC systems operate within shared, congested or even contested spectrum, aiming to deliver high performance in both…

信号处理 · 电气工程与系统科学 2024-06-27 Visa Koivunen , Musa Furkan Keskin , Henk Wymeersch , Mikko Valkama , Nuria González-Prelcic
‹ 上一页 1 8 9 10 下一页 ›