中文
相关论文

相关论文: Over-the-Air Computation via Reconfigurable Intell…

200 篇论文

This paper explores the use of reconfigurable intelligent surfaces (RIS) in mitigating cross-system interference in spectrum sharing and secure wireless applications. Unlike conventional RIS that can only adjust the phase of the incoming…

信息论 · 计算机科学 2023-07-03 Fangzhou Wang , A. Lee Swindlehurst

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

Reconfigurable intelligent surface (RIS) can manipulate the wireless communication environment by controlling the coefficients of RIS elements. However, due to the large number of passive RIS elements without signal processing capability,…

信息论 · 计算机科学 2021-01-26 Xiuhong Wei , Decai Shen , Linglong Dai

Over-the-air computation (AirComp) is considered as a communication-efficient solution for data aggregation and distributed learning by exploiting the superposition properties of wireless multi-access channels. However, AirComp is…

信号处理 · 电气工程与系统科学 2024-09-04 Chen Chen , Emil Björnson , Carlo Fischione

Reconfigurable intelligent surface (RIS)-based transmission technology offers a promising solution to enhance wireless communication performance cost-effectively through properly adjusting the parameters of a large number of passive…

信号处理 · 电气工程与系统科学 2020-08-05 Zehra Yigit , Ertugrul Basar , Ibrahim Altunbas

Intelligent Transportation Systems are thriving thanks to a wide range of technological advances, namely 5G communications, Internet of Things, artificial intelligence and edge computing. Central to this is the wide deployment of smart…

图像与视频处理 · 电气工程与系统科学 2021-08-26 Ahmed Al-Hilo , Moataz Samir , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

Intelligent reflecting surface (IRS) is a promising solution to enhance the wireless communication capacity both cost-effectively and energy-efficiently, by properly altering the signal propagation via tuning a large number of passive…

信息论 · 计算机科学 2019-10-04 Shuowen Zhang , Rui Zhang

This paper investigates the benefits of integrating reconfigurable intelligent surface (RIS) on minimizing the average sum age of information (AoI) in uplink non-orthogonal multiple access-based Internet-of-Things (IoT) networks. In this…

信息论 · 计算机科学 2022-03-01 Ali Muhammad , Mohamed Elhattab , Mohamed Amine Arfaoui , Chadi Assi

An intelligent reflecting surface (IRS) is invoked for enhancing the energy harvesting performance of a simultaneous wireless information and power transfer (SWIPT) aided system. Specifically, an IRS-assisted SWIPT system is considered,…

信号处理 · 电气工程与系统科学 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo

Reconfigurable intelligent surface (RIS) has emerged as a promising technology for achieving high spectrum and energy efficiency in future wireless communication networks. In this paper, we investigate an RIS-aided single-cell multi-user…

信息论 · 计算机科学 2021-05-04 Zhiyang Li , Ming Chen , Zhaohui Yang , Jingwen Zhao , Yinlu Wang , Jianfeng Shi , Chongwen Huang

Reconfigurable intelligent surfaces (RISs), which can deliberately adjust the phase of incident waves, have shown enormous potentials to reconfigure the signal propagation for performance enhancement. In this paper, we investigate the…

信号处理 · 电气工程与系统科学 2020-11-02 Zhengyi Zhou , Ning Ge , Wendong Liu , Zhaocheng Wang

Unmanned aerial vehicle (UAV) and reconfigurable intelligent surface (RIS) have been recently applied in the field of mobile edge computing (MEC) to improve the data exchange environment by proactively changing the wireless channels through…

信号处理 · 电气工程与系统科学 2022-03-25 Zhiyuan Zhai , Xinhong Dai , Bin Duo , Xin Wang , Xiaojun Yuan

Intelligent reflecting surface (IRS) is a cost-effective solution for achieving high spectrum and energy efficiency in future wireless networks by leveraging massive low-cost passive elements that are able to reflect the signals with…

信息论 · 计算机科学 2020-01-03 Qingqing Wu , Rui Zhang

In this paper, we consider a reconfigurable intelligent surface (RIS) and model it by using multiport network theory. We first compare the representation of RIS by using $Z$-parameters and $S$-parameters, by proving their equivalence and…

信息论 · 计算机科学 2023-09-01 Andrea Abrardo , Alberto Toccafondi , Marco Di Renzo

Over-the-air federated learning (OTA-FL) exploits the inherent superposition property of wireless channels to integrate the communication and model aggregation. Though a naturally promising framework for wireless federated learning, it…

信息论 · 计算机科学 2023-09-20 Jiayu Mao , Aylin Yener

In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output communication system with multiple antennas at both the base station (BS) and the user. We plan to maximize the achievable rate…

信息论 · 计算机科学 2024-05-28 Yaqiong Zhao , Jindan Xu , Wei Xu , Kezhi Wang , Xinquan Ye , Chau Yuen , Xiaohu You

In this paper, we investigate and analyze energy recycling for a reconfigurable intelligent surface (RIS)-aided wireless-powered communication network. As opposed to the existing works where the energy harvested by Internet of things (IoT)…

信息论 · 计算机科学 2022-09-28 Hao Xie , Bowen Gu , Dong Li , Zhi Lin , Yongjun Xu

We investigate reconfigurable intelligent surface (RIS)-assisted simultaneous wireless information and power transfer (SWIPT) Internet of Things (IoT) networks, where energy-limited IoT devices are overlaid with cellular information users…

信息论 · 计算机科学 2024-07-18 Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

Sensing is envisioned as a key network function of the 6G mobile networks. Artificial intelligence (AI)-empowered sensing fuses features of multiple sensing views from devices distributed in edge networks for the edge server to perform…

信息论 · 计算机科学 2023-02-21 Zhiyan Liu , Qiao Lan , Anders E. Kalør , Petar Popovski , Kaibin Huang

Reconfigurable intelligent surface (RIS) technology is a promising method to enhance the device-to-device (D2D) communications. To maximize the sum rate of the cellular and D2D networks, a joint optimization of the position and the phase…

信号处理 · 电气工程与系统科学 2024-11-12 Zelin Ji , Zhijin Qin