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

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Mobile edge computing (MEC) is a promising technology that provides cloud and IT services within the proximity of the mobile user. With the increasing number of mobile applications, mobile devices (MD) encounter limitations of their…

分布式、并行与集群计算 · 计算机科学 2020-03-10 Mahla Rahati-Quchani , Saeid Abrishami , Mehdi Feizi

We investigate energy efficiency (EE) optimization for single-cell massive multiple-input multiple-output (MIMO) downlink transmission with only statistical channel state information (CSI) available at the base station. We first show that…

信息论 · 计算机科学 2020-04-14 Li You , Jiayuan Xiong , Xinping Yi , Jue Wang , Wenjin Wang , Xiqi Gao

Reconfigurable intelligent surface (RIS) is a new and revolutionary technology to achieve spectrum-, energy- and cost-efficient wireless networks. This paper studies the resource allocation for RIS-empowered device-to-device (D2D)…

信息论 · 计算机科学 2020-07-21 Gang Yang , Yating Liao , Ying-Chang Liang , Olav Tirkkonen

Mobile edge computing (MEC) is envisioned as a promising technique to support computation-intensive and timecritical applications in future Internet of Things (IoT) era. However, the uplink transmission performance will be highly impacted…

信号处理 · 电气工程与系统科学 2022-05-05 Yizhen Yang , Yi Gong , Yik-Chung Wu

Consider a multi-cell mobile edge computing network, in which each user wishes to compute the product of a user-generated data matrix with a network-stored matrix. This is done through task offloading by means of input uploading,…

信息论 · 计算机科学 2021-01-19 Kuikui Li , Meixia Tao , Jingjing Zhang , Osvaldo Simeone

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 2021-03-23 Stefano Buzzi , Carmen D'Andrea , Alessio Zappone , Maria Fresia , Yong-Ping Zhang , Shulan Feng

This paper introduces a novel multi-user mobile edge computing (MEC) scheme facilitated by the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and the unmanned aerial vehicle (UAV). Unlike existing…

信息论 · 计算机科学 2024-09-16 Han Xiao , Xiaoyan Hu , Weile Zhang , Wenjie Wang , Kai-Kit Wong , Kun Yang

This letter proposes a new user cooperative offloading protocol called user reciprocity in backscatter communication (BackCom)-aided mobile edge computing systems with efficient computation, whose quintessence is that each user can switch…

信息论 · 计算机科学 2024-01-02 Bowen Gu , Hao Xie , Dong Li

Mobile edge computing (MEC) is a new paradigm that provides cloud computing services at the edge of networks. To achieve better performance with limited computing resources, peer offloading between cooperative edge servers (e.g. MEC-…

网络与互联网体系结构 · 计算机科学 2020-09-04 Xingqiu He , Sheng Wang

Mobile edge computing (MEC) is a key player in low latency 5G networks with the task to resolve the conflict between computationally-intensive mobile applications and resource-limited mobile devices (MDs). As such, there has been intense…

信息论 · 计算机科学 2021-10-07 Yao Shi , Emad Alsusa , Mohammed W. Baidas

Smart radio environments aided by reconfigurable intelligent reflecting surfaces (RIS) have attracted much research attention recently. We propose a joint optimization strategy for beamforming, RIS phases, and power allocation to maximize…

This paper investigates the problem of resource allocation for a wireless communication network with distributed reconfigurable intelligent surfaces (RISs). In this network, multiple RISs are spatially distributed to serve wireless users…

信号处理 · 电气工程与系统科学 2020-05-04 Zhaohui Yang , Mingzhe Chen , Walid Saad , Wei Xu , Mohammad Shikh-Bahaei , H. Vincent Poor , Shuguang Cui

Mobile edge computing (MEC) is powerful to alleviate the heavy computing tasks in integrated sensing and communication (ISAC) systems. In this paper, we investigate joint beamforming and offloading design in a three-tier integrated sensing,…

信息论 · 计算机科学 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Yiqing Zhou , Yan Zhang , Fan Liu

In this paper, we investigate a reconfigurable intelligent surface (RIS)-aided multiple-input single-output (MISO) system in the presence of electromagnetic interference (EMI) and channel aging with a Rician fading channel model between the…

信息论 · 计算机科学 2024-05-16 Taoyu Song , Enyu Shi , Yu Lu , Yiyang Zhu , Jiayi Zhang , Bo Ai

Cooperative energy recycling (CER) offers a new way to boost energy utilization in wireless-powered multi-access edge computing (MEC) networks, yet its integration with computation-communication co-design remains underexplored. This paper…

信息论 · 计算机科学 2025-11-05 Haohao Qin , Bowen Gu , Xianhua Yu , Hao Xie , Yongjun Xu , Qihao Li , Liejun Wang

Reconfigurable intelligent surfaces (RISs) are widely considered a promising technology for future wireless communication systems. As an important indicator of RIS-assisted communication systems in green wireless communications, energy…

信号处理 · 电气工程与系统科学 2023-10-25 Zhiyi Li , Jida Zhang , Jieao Zhu , Shi Jin , Linglong Dai

This paper investigates an active reconfigurable intelligent surface (RIS)-aided mobile edge computing (MEC) system. Compared with passive RIS, the active RIS is equipped with active reflective amplifier, which can effectively circumvent…

信号处理 · 电气工程与系统科学 2022-09-08 Zhangjie Peng , Ruisong Weng , Zhenkun Zhang , Cunhua Pan , Jiangzhou Wang

This paper presents a physics-based channel modeling and optimization framework for reconfigurable intelligent surface (RIS)-assisted downlink multi-user multiple-input single-output (MU-MISO) communication systems in site-specific…

信号处理 · 电气工程与系统科学 2026-03-24 Ziqi Liu , Wei Yu , Sean Victor Hum

Reconfigurable intelligent surfaces (RISs) are an emerging technology for enhancing the performance of wireless networks at a low and affordable cost, complexity, and power consumption. We introduce an algorithm for optimizing a…

信息论 · 计算机科学 2020-12-01 Xuewen Qian , Marco Di Renzo

This paper investigates the energy efficiency (EE) optimization in downlink multi-cell massive multiple-input multiple-output (MIMO). In our research, the statistical channel state information (CSI) is exploited to reduce the signaling…

信息论 · 计算机科学 2021-09-06 Li You , Yufei Huang , Di Zhang , Zheng Chang , Wenjin Wang , Xiqi Gao