中文
相关论文

相关论文: RIS-Aided Cooperative Mobile Edge Computing: Compu…

200 篇论文

Due to the development of communication technology and the rise of user network demand, a reasonable resource allocation for wireless networks is the key to guaranteeing regular operation and improving system performance. Various frequency…

信息论 · 计算机科学 2023-08-21 Yuanyuan Qiao , Yong Niu , Zhu Han , Shiwen Mao , Ruisi He , Ning Wang , Zhangdui Zhong , Bo Ai

This work considers a reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output (MIMO) system with RIS spatial correlation and electromagnetic interference (EMI). We propose a two-phase channel…

信息论 · 计算机科学 2024-11-18 Jun Qian , Chi Zhang , Khaled B. Letaief , Ross Murch

This paper proposes a joint active and passive beamforming design for reconfigurable intelligent surface (RIS)-aided wireless communication systems, adopting a piece-wise near-field channel model. While a traditional near-field channel…

信息论 · 计算机科学 2024-06-24 Weijian Chen , Zai Yang , Zhiqiang Wei , Derrick Wing Kwan Ng , Michail Matthaiou

Reconfigurable Intelligent Surfaces (RISs) are recently attracting a wide interest due to their capability of tuning wireless propagation environments in order to increase the system performance of wireless networks. In this paper, a…

信息论 · 计算机科学 2020-04-21 Stefano Buzzi , Carmen D'Andrea , Alessio Zappone , Maria Fresia , Yong-Ping Zhang , Shulan Feng

This work proposes a provably convergent and low complexity optimization algorithm for the maximization of the secrecy energy efficiency in the uplink of a wireless network aided by a Reconfigurable Intelligent Surface (RIS), in the…

信号处理 · 电气工程与系统科学 2024-06-12 Robert Kuku Fotock , Alessio Zappone , Marco Di Renzo

Next-generation wireless networks will provide users ubiquitous low-latency computing services using devices at the network edge, called mobile edge computing (MEC). The key operation of MEC, mobile computation offloading (MCO), is to…

信息论 · 计算机科学 2018-05-31 Seung-Woo Ko , Kaifeng Han , Kaibin Huang

Mobile edge computing (MEC) is an emerging communication scheme that aims at reducing latency. In this paper, we investigate a green MEC system under the existence of an eavesdropper. We use computation efficiency, which is defined as the…

网络与互联网体系结构 · 计算机科学 2020-04-14 Haijian Sun , Qun Wang , Xiang Ma , Yongjun Xu , Rose Qingyang Hu

Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable wireless environment via steering the incident signal in fully customizable ways with reconfigurable passive elements. In this paper, we consider a…

信号处理 · 电气工程与系统科学 2019-12-30 Huayan Guo , Ying-Chang Liang , Jie Chen , Erik G. Larsson

In this paper, we consider and study a cell-free massive MIMO (CF-mMIMO) system aided with reconfigurable intelligent surfaces (RISs), where a large number of access points (APs) cooperate to serve a smaller number of users with the help of…

信息论 · 计算机科学 2021-05-17 Bayan Al-Nahhas , Mohanad Obeed , Anas Chaaban , Md. Jahangir Hossain

Reconfigurable intelligent surfaces (RIS) have drawn considerable attention recently due to their controllable scattering elements that are able to direct electromagnetic waves into desirable directions. Although RISs share some…

信息论 · 计算机科学 2021-05-03 Mohanad Obeed , Anas Chaaban

Reconfigurable intelligent surface (RIS) has entered the public consciousness as a promising technology for enhancing the performance of future wireless communication systems by dynamically constructing the wireless channels. In this…

信息论 · 计算机科学 2023-03-02 Pingping Zhang , Shiqi Gong , Shaodan Ma

With the emergence of diverse mobile applications (such as augmented reality), the quality of experience of mobile users is greatly limited by their computation capacity and finite battery lifetime. Mobile edge computing (MEC) and wireless…

信号处理 · 电气工程与系统科学 2018-02-13 Fuhui Zhou , Yongpeng Wu , Haijian Sun , Zheng Chu

A novel hybrid active-passive reconfigurable intelligent surface (RIS) transmitter enabled downlink multi-user communication system is investigated. Specifically, RISs are exploited to serve as transmitter antennas, where each element can…

信息论 · 计算机科学 2024-03-05 Ao Huang , Xidong Mu , Li Guo , Guangyu Zhu

This paper investigates a rotatable antenna (RA) assisted mobile edge computing (MEC) network, where multiple users offload their computation tasks to an edge server equipped with an RA array under a time-division multiple access protocol.…

信息论 · 计算机科学 2026-03-17 Ji Wang , Hao Chen , Yixuan Li , Jun Zhang , Xingwang Li , Ming Zeng , Octavia A. Dobre

User experience on mobile devices is constrained by limited battery capacity and processing power, but 6G technology advancements are diving rapidly into mobile technical evolution. Mobile edge computing (MEC) offers a solution, offloading…

机器学习 · 计算机科学 2024-07-01 Minh-Tuan Tran

The performance of cooperative ambient backscatter communications (CABC) can be enhanced by employing reconfigurable intelligent surface (RIS) to assist backscatter transmitters. Since the RIS power consumption is a non-negligible issue, we…

信息论 · 计算机科学 2022-09-08 Hui Ma , Haijun Zhang , Ning Zhang , Jianquan Wang , Ning Wang , Victor C. M. Leung

Existing works on task offloading in mobile edge computing (MEC) networks often assume a task is executed once at a single edge node (EN). Downloading the computed result from the EN back to the mobile user may suffer long delay if the…

信息论 · 计算机科学 2020-04-02 Kuikui Li , Meixia Tao , Zhiyong Chen

Wireless powered and backscattering mobile edge computing (WPB-MEC) network is a novel network paradigm to supply energy supplies and computing resource to wireless sensors (WSs). However, its performance is seriously affected by severe…

信号处理 · 电气工程与系统科学 2024-03-06 Bin Lyu , Yining Zhang , Pengcheng Chen , Ziwei Liu , Feng Tian

We study a wireless edge-computing system which allows multiple users to simultaneously offload computation-intensive tasks to multiple massive-MIMO access points, each with a collocated multi-access edge computing (MEC) server.…

信号处理 · 电气工程与系统科学 2020-05-15 Rafia Malik , Mai Vu

The coupling of cell-free massive MIMO (CF-mMIMO) with Mobile Edge Computing (MEC) is investigated in this paper. A MEC-enabled CF-mMIMO architecture implementing a distributed user-centric approach both from the radio and the computational…

信息论 · 计算机科学 2023-11-30 Giovanni Interdonato , Stefano Buzzi