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
ISSN1930-529X
页码788-793
发表状态已发表
DOI10.1109/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
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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
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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
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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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