Location Verification Systems Based on Received Signal Strength With Unknown Transmit Power

被引：10

作者：

Yan, Shihao ^{[1
]}

Peters, Gareth W. ^{[2
]}

Nevat, Ido ^{[3
]}

Malaney, Robert ^{[4
]}

机构：

[1] Australian Natl Univ, Res Sch Engn, Canberra, ACT 0200, Australia

[2] UCL, Dept Stat Sci, London WC1E 6BT, England

[3] TUMCREATE, Singapore 138602, Singapore

[4] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

来源：

IEEE COMMUNICATIONS LETTERS | 2018年 / 22卷 / 03期

基金：

澳大利亚研究理事会;

关键词：

Physical layer security; location verification; generalized likelihood ratio test; received signal strength; WIRETAP CHANNELS; LOCALIZATION;

D O I：

10.1109/LCOMM.2017.2787129

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In the context of location verification systems (LVSs), this letter proves that the knowledge of a legitimate user's transmit power has no effect on the optimal performance of a received signal strength (RSS)-based LVS. Specifically, we prove that the detection performance of a generalized likelihood ratio test (GLRT), where the unknown transmit power is estimated, is identical to that of a differential likelihood ratio test (D-LRT). Our analysis also proves the asymptotic optimality of D-LRT for an RSS-based LVS with unknown transmit power. These results are important for real-world deployments of LVSs, since D-LRT incurs a significantly lower implementation cost relative to GLRT.

引用

页码：650 / 653

页数：4

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