ShanghaiTech University Knowledge Management System
Timely Status Update for Wireless Data Aggregation via Over-the-Air Computation | |
2022 | |
会议录名称 | 2022 IEEE GLOBAL COMMUNICATIONS CONFERENCE, GLOBECOM 2022 - PROCEEDINGS |
ISSN | 1930-529X |
页码 | 788-793 |
发表状态 | 已发表 |
DOI | 10.1109/GLOBECOM48099.2022.10001336 |
摘要 | In this paper, we study a remote monitoring Internet of Things (IoT) network, in which an access point (AP) is deployed to aggregate some specific time-varying environment parameters from multiple groups of IoT devices using over-the-air computation (AirComp). As each group of IoT devices monitors a different type of parameters, the AP schedules a group of IoT devices to transmit their status updates each time. To evaluate the freshness of the aggregated data, we introduce the concept of the age of aggregated information (AoAI). We analyze the average AoAI by modelling the instantaneous AoAI evolution of each group as a Discrete-Time Markov Chain and characterize the tradeoff between the average AoAI and mean-squared error (MSE). We further develop two scheduling policies to ensure fair scheduling and achieve the minimum AoAI, respectively. Simulations validate our theoretical analysis and demonstrate the effectiveness of the proposed scheduling algorithms. © 2022 IEEE. |
关键词 | ean square error Scheduling algorithms Access points Aggregated information Average ages Data aggregation Over the airs Remote monitoring Specific time Status updates Time-varying environments Wireless data |
会议名称 | 2022 IEEE Global Communications Conference, GLOBECOM 2022 |
会议地点 | Virtual, Online, Brazil |
会议日期 | December 4, 2022 - December 8, 2022 |
URL | 查看原文 |
收录类别 | EI |
语种 | 英语 |
出版者 | Institute of Electrical and Electronics Engineers Inc. |
EI入藏号 | 20230513464398 |
EI主题词 | Internet of things |
EI分类号 | 722.3 Data Communication, Equipment and Techniques ; 723 Computer Software, Data Handling and Applications ; 922.2 Mathematical Statistics |
原始文献类型 | Conference article (CA) |
来源库 | IEEE |
引用统计 | 正在获取...
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文献类型 | 会议论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/282105 |
专题 | 信息科学与技术学院_硕士生 信息科学与技术学院_PI研究组_周勇组 信息科学与技术学院_博士生 |
作者单位 | School of Information Science and Technology, ShanghaiTech University, Shanghai, China |
第一作者单位 | 信息科学与技术学院 |
第一作者的第一单位 | 信息科学与技术学院 |
推荐引用方式 GB/T 7714 | Luteng Qiao,Yong Zhou. Timely Status Update for Wireless Data Aggregation via Over-the-Air Computation[C]:Institute of Electrical and Electronics Engineers Inc.,2022:788-793. |
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