大会名称
2021年 総合大会
大会コ-ド
2021G
開催年
2021
発行日
2021-02-23
セッション番号
A-2
セッション名
情報理論
講演日
2021/3/12
講演場所(会議室等)
Meeting 38
講演番号
A-2-7
タイトル
複数のソースノードがサーバを共有する情報更新システムにおけるAge of Informationの相関係数に関する解析
著者名
姜 裕康◎徳山喜一和田裕一郎矢島萌子
キーワード
Age of information, 待ち行列理論, 単一サーバ待ち行列, 相関係数
抄録
This work studies the age of information (AoI) on an information updating system such that multiple sources share one server to process packets of updated information. In such systems, packets from different sources compete for the server, and thus they may suffer from being interrupted and backlogged. Therefore, to grasp structures of such systems, it is crucially important to study a metric indicating a correlation of different sources. In this work, we analyze the correlation of AoIs on a single-server queueing system with multiple sources, and provide the closed-form expression of the correlation coefficient of the AoIs. Some nontrivial properties on the systems are revealed from our analysis results.
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