Private and Fresh Real-Time Status Updating

被引：2

作者：

Seo, Hyowoon ^{[1
]}

Lee, Hojung ^{[2
]}

Son, Kyungrak ^{[1
]}

Choi, Wan ^{[1
]}

机构：

[1] Seoul Natl Univ SNU, Inst New Media & Commun, Dept Elect & Comp Engn, Seoul 08826, South Korea

[2] Korea Adv Inst Sci & Technol KAIST, Sch Elect Engn, Daejeon 34141, South Korea

来源：

IEEE COMMUNICATIONS LETTERS | 2022年 / 26卷 / 02期

关键词：

Servers; Privacy; Real-time systems; Uncertainty; Multicast communication; Information age; Entropy; Information freshness; age of information; privacy; real-time status update; crowded status updating;

D O I：

10.1109/LCOMM.2021.3131487

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The freshness and privateness of information in a real-time status updating is mainly investigated in this letter. First, an information freshness and privateness tradeoff is mathematically derived. Then we propose a novel private and communication-efficient framework termed crowded status updating (CSU) which enhances the freshness of information while protecting information privacy. The proposed framework outperforms the unicasting based status updating method by serving multiple clients by multicasting, which results in gaining both higher communication-efficiency and privacy.

引用

页码：239 / 243

页数：5

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