Identification of Multiple-Antenna Emitters Using Power Amplifier Nonlinearity

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原文链接

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外文摘要：Power amplifier (PA) nonlinearity typically plays a crucial role in the application of specific emitter identification (SEI)， due to its uniqueness at the radio frequency (RF) frontend for particular emitter。 For a multiple-antenna emitter with multiple PAs inside， this paper first presents a PA parameter estimator based on a two-stage linear least square (LLS) method in the MIMO multipath communication scenario。 Treated as the RF fingerprint， the extracted nonlinear coefficients are then used to classify the individual multipleantenna emitters based on the minimum error probability (MEP) criterion。 In addition， we analyze the impacts of mismatch of PA model and rank-deficient condition of the LLS problem in depth。 Finally， the proposed approach is validated to be effective through extensive numerical simulations。

外文关键词：

specific emitter identificationmultiple antennaspower amplifier nonlinearitylinear least square

作者：

Jun Lu、Xiaowei Qin、Xiaodong Xu、Yingke Lei

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作者单位：

University of Science and Technology of China,Department of Electrical Engineering and Information Science,Hefei,China

National University of Defense Technology,School of Electronic Countermeasure,Hefei,China

会议名称：

International Conference on Computer and Communication Systems

会议地点：

Shanghai(CN)

会议母体文献：

2020 5th International Conference on Computer and Communication Systems

页码：

691-696

出版时间：

2020

DOI：

10.1109/ICCCS49078.2020.9118489