IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Device identification based on distortion of power amplifiers excited by swept sine
Tomoaki HiraokaYuichi MiyajiHideyuki Uehara
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JOURNAL FREE ACCESS

2020 Volume 9 Issue 7 Pages 306-311

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Abstract

This letter presents a device identification method based on the distortion of a power amplifier (PA). The distortion of PA is measured by a logarithmic swept sine, which can distinguish harmonic distortion for each order. In this letter, we propose a new feature extraction utilizing each harmonic distortion to accurate device identification in a multipath environment. The proposed method can reduce computational complexity because it requires no calculation of the pseudoinverse matrix and iterative calculation. Experimental results show that the proposed method can achieve a higher identification ratio in an indoor environment.

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© 2020 The Institute of Electronics, Information and Communication Engineers
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