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相关论文: Federated Learning via Intelligent Reflecting Surf…

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Intelligent reflecting surface (IRS) is a potential candidate for massive multiple-input multiple-output (MIMO) 2.0 technology due to its low cost, ease of deployment, energy efficiency and extended coverage. This chapter investigates the…

信号处理 · 电气工程与系统科学 2026-02-24 Yashuai Cao , Hetong Wang , Tiejun Lv , Wei Ni

This paper studies a multiple intelligent reflecting surfaces (IRSs) collaborative localization system where multiple semi-passive IRSs are deployed in the network to locate one or more targets based on time-of-arrival. It is assumed that…

信息论 · 计算机科学 2024-06-18 Ziheng Zhang , Wen Chen , Qingqing Wu , Zhendong Li , Xusheng Zhu , Jingfeng Chen , Nan Cheng

Intelligent reflecting surface (IRS) has been considered as a revolutionary technology to enhance the wireless communication performance. To cater for multiple mobile users, adjusting IRS beamforming patterns over time, i.e., dynamic IRS…

信息论 · 计算机科学 2025-01-14 Guangji Chen , Qingqing Wu , Celimuge Wu , Mengnan Jian , Yijian Chen , Wen Chen

While intelligent reflecting surface (IRS) assisted wireless communication has emerged as an important research paradigm, channel state information (CSI) acquisition remains a critical challenge to design the IRS phase-shifts and yield the…

信息论 · 计算机科学 2020-09-10 Qurrat-Ul-Ain Nadeem , Anas Chaaban , Merouane Debbah

Intelligent reflecting surface (IRS) is an emerging technology that is able to reconfigure the wireless channel via tunable passive signal reflection and thereby enhance the spectral and energy efficiency of wireless networks…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , An Liu , Yubo Wan , Rui Zhang

Federated learning (FL) has become a transformative paradigm for distributed machine learning across wireless networks. However, the performance of FL is often hindered by the unreliable communication links between resource-constrained…

信号处理 · 电气工程与系统科学 2025-03-28 Xuhui Zhang , Wenchao Liu , Jinke Ren , Huijun Xing , Gui Gui , Yanyan Shen , Shuguang Cui

With the increasing number and enhanced capabilities of IoT devices in smart buildings, these devices are evolving beyond basic data collection and control to actively participate in deep learning tasks. Federated Learning (FL), as a…

机器学习 · 计算机科学 2025-04-15 Heqiang Wang , Xiang Liu , Yucheng Liu , Jia Zhou , Weihong Yang , Xiaoxiong Zhong

Intelligent reflecting surface (IRS) is a new promising technology that is able to reconfigure the wireless propagation channel via smart and passive signal reflection. In this paper, we investigate the capacity region of a two-user…

信息论 · 计算机科学 2021-07-12 Shuowen Zhang , Rui Zhang

As AI models expand in size, it has become increasingly challenging to deploy federated learning (FL) on resource-constrained edge devices. To tackle this issue, split federated learning (SFL) has emerged as an FL framework with reduced…

机器学习 · 计算机科学 2025-04-22 Zheng Lin , Wei Wei , Zhe Chen , Chan-Tong Lam , Xianhao Chen , Yue Gao , Jun Luo

Distributed optimization concerns the optimization of a common function in a distributed network, which finds a wide range of applications ranging from machine learning to vehicle platooning. Its key operation is to aggregate all local…

信息论 · 计算机科学 2022-04-15 Zhenyi Lin , Yi Gong , Kaibin Huang

Intelligent reflecting surface (IRS) is a new and revolutionizing technology for achieving spectrum and energy efficient wireless networks. By leveraging massive low-cost passive elements that are able to reflect radio-frequency (RF)…

信息论 · 计算机科学 2019-11-12 Qingqing Wu , Rui Zhang

We examine federated learning (FL) with over-the-air (OTA) aggregation, where mobile users (MUs) aim to reach a consensus on a global model with the help of a parameter server (PS) that aggregates the local gradients. In OTA FL, MUs train…

机器学习 · 计算机科学 2022-07-20 Ozan Aygün , Mohammad Kazemi , Deniz Gündüz , Tolga M. Duman

In this paper, we investigate an intelligent reflecting surface (IRS) assisted multi-user multiple-input multiple-output (MIMO) full-duplex (FD) system. We jointly optimize the active beamforming matrices at the access point (AP) and uplink…

信号处理 · 电气工程与系统科学 2021-12-07 Yanzhen Liu , Qiyu Hu , Yunlong Cai , Guanding Yu , Geoffrey Ye Li

Intelligent reflecting/refracting surface (IRS) has recently emerged as a promising solution to reconfigure wireless propagation environment for enhancing the communication performance. In this paper, we study a new IRS-aided high-mobility…

信息论 · 计算机科学 2021-12-14 Zixuan Huang , Beixiong Zheng , Rui Zhang

Intelligent reflecting surface (IRS) has emerged as a promising technique to enhance wireless communication performance cost effectively. The existing literature has mainly considered IRS being deployed near user terminals to improve their…

信息论 · 计算机科学 2022-05-27 Yuwei Huang , Weidong Mei , Rui Zhang

In this paper, we investigate the design of secure transmission frameworks with an intelligent reflecting surface (IRS). Our design aims to minimize the system energy consumption in cases of rank-one and full-rank access point (AP)-IRS…

信息论 · 计算机科学 2019-09-04 Biqian Feng , Yongpeng Wu , Mengfan Zheng

In this paper, the problem of energy efficient transmission and computation resource allocation for federated learning (FL) over wireless communication networks is investigated. In the considered model, each user exploits limited local…

信息论 · 计算机科学 2020-11-19 Zhaohui Yang , Mingzhe Chen , Walid Saad , Choong Seon Hong , Mohammad Shikh-Bahaei

We propose two cooperative beamforming frameworks based on federated learning (FL) for multi-cell integrated sensing and communications (ISAC) systems. Our objective is to address the following dilemma in multicell ISAC: 1) Beamforming…

信号处理 · 电气工程与系统科学 2025-01-29 Lai Jiang , Kaitao Meng , Murat Temiz , Jiaming Hu , Christos Masouros

Recently, terahertz (THz) communication has drawn considerable attention as one of the promising technologies for the future wireless communications owning to its ultra-wide bandwidth. Nonetheless, one major obstacle that prevents the…

信息论 · 计算机科学 2020-09-15 Wanming Hao , Gangcan Sun , Ming Zeng , Zhengyu Zhu , Zheng Chu , Octavia A. Dobre , Pei Xiao

In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical layer security of an integrated sensing and communication (ISAC) system in which the IRS is deployed to not only assist the downlink communication…

信息论 · 计算机科学 2022-07-20 Meng Hua , Qingqing Wu , Wen Chen , Octavia A. Dobre , A. Lee Swindlehurst