On the Age of Status Updates in Unreliable Multi-Source M/G/1 Queueing Systems

被引：5

作者：

Kumar, Muthukrishnan Senthil ^{[1
]}

Dadlani, Aresh ^{[2
,3
]}

Moradian, Masoumeh ^{[4
]}

Khonsari, Ahmad ^{[5
,6
]}

Tsiftsis, Theodoros A. A. ^{[7
]}

机构：

[1] PSG Coll Technol, Dept Appl Math & Computat Sci, Coimbatore 641004, India

[2] Univ Alberta, Fac Arts Interdisciplinary Studies, Edmonton, AB T6G 2E7, Canada

[3] Nazarbayev Univ, Dept Elect & Comp Engn, Astana 010000, Kazakhstan

[4] Inst Res Fundamental Sci, Sch Comp Sci, Tehran 1953833511, Iran

[5] Univ Tehran, Dept Elect & Comp Engn, Tehran 1439957131, Iran

[6] Inst Res Fundamental Sci, Tehran 1953833511, Iran

[7] Jinan Univ, Sch Intelligent Syst Sci & Engn, Zhuhai Campus, Zhuhai 519070, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2023年 / 27卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Age of information; multi-source M/G/1 queue; server failure; supplementary variable; real-time systems; INFORMATION;

D O I：

10.1109/LCOMM.2022.3219729

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The timeliness of status message delivery in communications networks is subjective to time-varying wireless channel transmissions. In this letter, we investigate the age of information (AoI) of each source in a multi-source M/G/1 queueing update system with active server failures. In particular, we adopt the method of supplementary variables to derive a closed-form expression for the average AoI in terms of system parameters, where the server repair time follows a general distribution and the service time of packets generated by independent sources is a general random variable. Numerical results are provided to validate the effectiveness of the proposed packet serving policy under different parametric settings.

引用

页码：751 / 755

页数：5

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