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Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the…

信号处理 · 电气工程与系统科学 2022-08-02 Yajun Zhao , Xin Lv

Reconfigurable intelligent surface (RIS) is pivotal for beyond 5G networks in regards to the surge demand for reliable communication in unmanned aerial vehicle (UAV) networks. This paper presents an innovative approach to maximize…

信息论 · 计算机科学 2024-10-24 Mohammed Saif , Shahrokh Valaee

Reconfigurable intelligent surfaces (RISs) have been extensively applied in integrated sensing and communication (ISAC) systems due to the capability of enhancing physical layer security (PLS). However, conventional static RIS architectures…

信号处理 · 电气工程与系统科学 2025-12-24 Ling Zhuang , Ximing Xie , Fang Fang , Ali Attaran , Zhizhong Zhang

Reconfigurable intelligent surface (RIS) has become a promising technology to improve wireless communication in recent years. It steers the incident signals to create a favorable propagation environment by controlling the reconfigurable…

信息论 · 计算机科学 2021-11-15 Wangyang Xu , Lu Gan , Chongwen Huang

Reconfigurable intelligent surfaces (RISs), which enable tunable anomalous reflection, have appeared as a promising method to enhance wireless systems. In this paper, we propose to use an RIS as a spatial equalizer to address the well-known…

信息论 · 计算机科学 2021-03-10 Hongliang Zhang , Lingyang Song , Zhu Han , H. Vincent Poor

Reconfigurable intelligent surface (RIS)-assisted communication have recently attracted the attention of the wireless communication community as a potential candidate for the next $6$-th generation (6G) of wireless networks. Various studies…

信号处理 · 电气工程与系统科学 2022-05-18 Recep A. Tasci , Fatih Kilinc , Ertugrul Basar , George C. Alexandropoulos

Reconfigurable Intelligent Surfaces (RIS) have been proposed as a revolutionary technology with the potential to address several critical requirements of 6G communication systems. Despite its powerful ability for radio environment…

信号处理 · 电气工程与系统科学 2024-01-09 Yun Yang , Zhiping Lu , Ming Li , Rang Liu , Qian Liu

This paper investigates a reconfigurable intelligent surface (RIS)-assisted multi-waveguide pinching-antenna (PA) system (PASS) for multi-user downlink information transmission, motivated by the unknown impact of the integration of emerging…

网络与互联网体系结构 · 计算机科学 2025-11-26 Changpeng He , Yang Lu , Yanqing Xu , Chong-Yung Chi , Bo Ai , Arumugam Nallanathan

Future wireless networks are envisioned to support both sensing and artificial intelligence (AI) services. However, conventional integrated sensing and communication (ISAC) networks may not be suitable due to the ignorance of diverse…

网络与互联网体系结构 · 计算机科学 2024-09-04 Wenhao Zhuang , Xinyu He , Yuyi Mao , Juan Liu

This paper considers communication between a base station (BS) to two users, each from one side of a simultaneously transmitting-reflecting reconfigurable intelligent surface (STAR-RIS) in the absence of a direct link. Rate-splitting…

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

The performance of wireless communication systems is fundamentally constrained by random and uncontrollable wireless channels. Recently, reconfigurable intelligent surfaces (RIS) has emerged as a promising solution to enhance wireless…

信号处理 · 电气工程与系统科学 2023-12-29 Xiaohao Mo , Lin Gui , Kai Ying , Xichao Sang , Xiaqing Diao

Terahertz (THz) communications will be pivotal in sixth-generation (6G) wireless networks, offering significantly wider bandwidths and higher data rates. However, the unique propagation characteristics of the THz frequency band, such as…

网络与互联网体系结构 · 计算机科学 2024-09-17 Waqas Khalid , Heejung Yu , Farman Ali , Huiping Huang

In this paper, we investigate the potential of employing reconfigurable intelligent surface (RIS) in integrated sensing and communication (ISAC) systems. In particular, we consider an RIS-assisted ISAC system in which a multi-antenna base…

信号处理 · 电气工程与系统科学 2023-01-27 Rang Liu , Ming Li , A. Lee Swindlehurst

Reconfigurable intelligent surfaces (RISs) are considered as potential technologies for the upcoming sixth-generation (6G) wireless communication system. Various benefits brought by deploying one or multiple RISs include increased spectrum…

信号处理 · 电气工程与系统科学 2021-04-16 Jiguang He , Nhan Thanh Nguyen , Rafaela Schroeder , Visa Tapio , Joonas Kokkoniemi , Markku Juntti

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

Unmanned Aerial Vehicle (UAV) systems are being increasingly used in a broad range of scenarios and applications. However, their deployment in urban areas poses important technical challenges. One of the most prominent concerns is the…

网络与互联网体系结构 · 计算机科学 2019-01-14 Zoheb Shaikh , Sabur Baidya , Marco Levorato

In this paper, we investigate the two-way communication between two users assisted by a re-configurable intelligent surface (RIS). The scheme that two users communicate simultaneously over Rayleigh fading channels is considered. The…

信号处理 · 电气工程与系统科学 2020-05-05 Saman Atapattu , Rongfei Fan , Prathapasinghe Dharmawansa , Gongpu Wang , Jamie Evans , Theodoros A. Tsiftsis

Forthcoming 6G networks have two predominant features of wide coverage and sufficient computation capability. To support the promising applications, Integrated Sensing, Communication, and Computation (ISCC) has been considered as a vital…

系统与控制 · 电气工程与系统科学 2024-07-17 Bin Li , Wancheng Xie , Zesong Fei

In this letter, we investigate a reconfigurable intelligent surfaces (RIS)-aided device to device (D2D) communication system over Rician fading channels with imperfect hardware including both hardware impairment at the transceivers and…

信号处理 · 电气工程与系统科学 2021-12-07 Zhangjie Peng , Tianshu Li , Cunhua Pan , Hong Ren , Jiangzhou Wang
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