中文
相关论文

相关论文: Expectation-Maximization Learning for Wireless Cha…

200 篇论文

Reconfigurable intelligent surface (RIS)-assisted communication appears as one of the potential enablers for sixth generation (6G) wireless networks by providing a new degree of freedom in the system design to telecom operators.…

信号处理 · 电气工程与系统科学 2021-09-21 E. Basar , I. Yildirim , F. Kilinc

While the researchers have set their sights on future wireless networks of 2030, communications through reconfigurable intelligent surfaces (RISs) appears as one of the potential enabling technologies for 6G wireless networking. This…

信息论 · 计算机科学 2021-03-05 E. Basar , I. Yildirim

The reconfigurable intelligent surface (RIS) is a promising technology that is anticipated to enable high spectrum and energy efficiencies in future wireless communication networks. This paper investigates optimum location-based RIS…

信息论 · 计算机科学 2022-06-07 Yuting Fang , Saman Atapattu , Hazer Inaltekin , Jamie Evans

Next-generation wireless technologies such as 6G aim to meet demanding requirements such as ultra-high data rates, low latency, and enhanced connectivity. Extremely Large-Scale MIMO (XL-MIMO) and Reconfigurable Intelligent Surface (RIS) are…

信息论 · 计算机科学 2026-01-01 Muhammad Kamran Saeed , Ashfaq Khokhar , Shakil Ahmed

Reconfigurable intelligent surface (RIS) is considered as a revolutionary technology for future wireless communication networks. In this letter, we consider the acquisition of the cascaded channels, which is a challenging task due to the…

信号处理 · 电气工程与系统科学 2021-05-17 Shunbo Zhang , Shun Zhang , Feifei Gao , Jianpeng Ma , Octavia A. Dobre

We investigate a multi-user multiple-input multiple-output interference network in the presence of multiple reconfigurable intelligent surfaces (RISs). The entire system is described by using a circuit-based model for the transmitters,…

信息论 · 计算机科学 2021-02-16 Andrea Abrardo , Davide Dardari , Marco Di Renzo , Xuewen Qian

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it is with rich…

信息论 · 计算机科学 2020-12-29 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

Reconfigurable intelligent surface is a potential technology component of future wireless networks due to its capability of shaping the wireless environment. The promising MIMO systems in terms of extended coverage and enhanced capacity…

Indoor millimeter-wave (mmWave) environment channels are typically sparsely-scattered and dominated by a strong line-of-sight (LOS) path. Therefore, communication over such channels is in general extremely difficult when the LOS path is not…

信息论 · 计算机科学 2020-03-03 Nemanja Stefan Perović , Marco Di Renzo , Mark F. Flanagan

The reconfigurable intelligent surface (RIS) technology has attracted interest due to its promising coverage and spectral efficiency features. However, some challenges need to be addressed to realize this technology in practice. One of the…

信号处理 · 电气工程与系统科学 2020-10-21 Mehmet Ali Aygul , Mahmoud Nazzal , Huseyin Arslan

Reconfigurable intelligent surface (RIS) provides a new electromagnetic response control solution, which can proactively reshape the characteristics of wireless channel environments. In RIS-assisted communication systems, the acquisition of…

信息论 · 计算机科学 2024-06-14 Zhiheng Yu , Jiancheng An , Ertugrul Basar , Lu Gan , Chau Yuen

Reconfigurable Intelligent Surface (RIS) technology has emerged as a key enabler for future wireless communications. However, its potential is constrained by the difficulty of acquiring accurate user-to-RIS channel state information (CSI),…

信号处理 · 电气工程与系统科学 2026-04-20 Md. Shahriar Sadid , Ali A. Nasir , Saad Al-Ahmadi , Samir Al-Ghadhban

Future wireless networks require the ability to actively adjust the wireless environment to meet strict performance indicators. Reconfigurable Intelligent Surface (RIS) technology is gaining attention for its advantages of low power…

信息论 · 计算机科学 2024-10-28 De-Ming Chian , Chao-Kai Wen , Chi-Hung Wu , Fu-Kang Wang , Kai-Kit Wong

Reconfigurable intelligent surfaces (RISs) have emerged as a prospective technology for next-generation wireless networks due to their potential in coverage and capacity enhancement. Previous works on achievable rate analysis of…

信息论 · 计算机科学 2022-11-04 Renwang Li , Shu Sun , Yuhang Chen , Chong Han , Meixia Tao

Reconfigurable intelligent surface (RIS) is a candidate technology for future wireless networks. It enables to shape the wireless environment to reach massive connectivity and enhanced data rate. The promising gains of RIS-assisted networks…

信号处理 · 电气工程与系统科学 2022-06-09 Paulo R. B. Gomes , Gilderlan T. de Araújo , Bruno Sokal , André L. F. de Almeida , Behrooz Makki , Gábor Fodor

This works explores the correlation between channels in reconfigurable intelligent surface (RIS)-aided communication systems. In this type of system, an RIS made up of many passive elements with adjustable phases reflects the transmitter's…

信息论 · 计算机科学 2023-05-04 Kuang-Hao , Liu

Cell-free massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surfaces (RISs) are two potential sixth-generation (6G) technologies. However, channel aging due to user mobility and electromagnetic interference (EMI)…

信息论 · 计算机科学 2025-02-27 Jun Qian , Chi Zhang , Ross Murch , Khaled B. Letaief

Reconfigurable Intelligent Surfaces (RISs), comprising large numbers of low-cost and almost passive metamaterials with tunable reflection properties, have been recently proposed as an enabling technology for programmable wireless…

信息论 · 计算机科学 2022-08-23 Aris L. Moustakas , George C. Alexandropoulos , Mérouane Debbah

Reconfigurable intelligent surface (RIS) constitutes a disruptive technology for enhancing vehicular communication performance through reconfigurable propagation environments. In this paper, we propose an adaptive channel estimation…

系统与控制 · 电气工程与系统科学 2026-03-03 Tianyou Li , Haifeng Hu , Dapeng Li

Reconfigurable intelligent surface (RIS) is a type of wireless communication technology that uses a reconfigurable surface, such as a wall or building that is able to adjust its properties by an integrated optimization algorithm in order to…

应用物理 · 物理学 2023-09-25 Emanuel Colella , Luca Bastianelli , Franco Moglie , Valter Mariani Primiani