Specific emitter identification (SEI) extracts the fingerprint characteristics of emitters according to the subtle differences of transmitted signals, to distinguish different emitter individuals and prevent unauthorized network access. Deep learning (DL) based SEI methods have been proposed to achieve a good identification performance in recent years. However, these methods highly rely on expert experience to design network structures. These hand-designed fixed network structures lack flexibility, which often leads to insufficient model generalization. Neural architecture search (NAS) can be seen as a subdomain of automatic machine learning (AutoML), which can automatically adjust network structure and parameters according to a specific task. In this paper, we propose a neural architecture search-based SEI method, which can achieve an efficient search of the architecture with the use of a gradient descent algorithm. Experimental results show that the proposed NASEI method both improves the accuracy and reduces the parameter quantity when compared with state-of-the-art methods. Code available at https://github.com/huangyuxuan11/NASEI.git.


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    Title :

    NASEI: Neural Architecture Search-Based Specific Emitter Identification Method


    Contributors:
    Huang, Yuxuan (author) / Zhang, Xixi (author) / Wang, Yu (author) / Jiao, Donglai (author) / Gui, Guan (author) / Ohtsuki, Tomoaki (author)


    Publication date :

    2023-06-01


    Size :

    1420459 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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