Average Age of Information for a Multi-Source M/M/1 Queueing Model With Packet Management

被引：0
|
作者：
Moltafet, Mohammad [1 ]
Leinonen, Markus [1 ]
Codreanu, Marian [2 ]
机构：
[1] Univ Oulu, Ctr Wireless Commun Radio Technol, Oulu, Finland
[2] Linkoping Univ, Dept Sci & Technol, Linkoping, Sweden
来源：
2020 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2020年
基金：
芬兰科学院; 欧盟地平线“2020”;
关键词：
Information freshness; age of information (AoI); multi-source queueing model; stochastic hybrid systems (SHS);
D O I：
10.1109/isit44484.2020.9174099
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We consider a status update system consisting of two independent sources, one server, and one sink. The packets of different sources are generated according to the Poisson process and the packets are served according to an exponentially distributed service time. We consider the following packet management policy. When the system is empty, any arriving packet immediately enters the server; when the server is busy, a packet of a source waiting in the queue is replaced if a new packet of the same source arrives. We derive the average age of information (AoI) of the considered M/M/1 queueing model by using the stochastic hybrid systems (SHS) technique. Numerical results are provided to show the effectiveness of the proposed policy.
引用
收藏
页码：1765 / 1769
页数：5
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