High-rate secret key generation aided by multiple relays for Internet of things

被引：15

作者：

Xiao, Shuaifang ^{[1
]}

Guo, Yunfei ^{[1
]}

Huang, Kaizhi ^{[1
]}

Jin, Liang ^{[1
]}

机构：

[1] Natl Digital Switching Syst Engn Technol & Res Ct, Zhengzhou, Henan, Peoples R China

来源：

ELECTRONICS LETTERS | 2017年 / 53卷 / 17期

基金：

中国国家自然科学基金;

关键词：

Internet of Things; wireless channels; network coding; relay networks (telecommunication); Monte Carlo methods; channel allocation; high-rate secret key generation; multiple relays; legitimate users; training sequences; secure network coding; relay channels; optimal relays selection; optimal power allocation; Monte Carlo simulation;

D O I：

10.1049/el.2017.2346

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A multiple relays aided secret key generation algorithm is proposed to improve the generated secret key rate for Internet of things when the wireless channels change slowly. First, the two legitimate users and relays send training sequences in turn to estimate the channels. Then, the relays employ secure network coding technique to help the two legitimate users exploit the randomness of relay channels. Finally, the two legitimate users agree on a secret key without the help of relays. In addition, the optimal relays selection with optimal power allocation algorithm is present to further improve the secret key rate when relay selection is needed. The performances of the proposed algorithms are verified by Monte Carlo simulation results.

引用

页码：1198 / 1200

页数：2

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