Applying the deep learning in signal processing for communication systems, several models based on Real-Valued Deep Neural Network (RVDNN) and convolutional neural network (RVCNN) have been previously proposed to detect signals of generalized spatial modulation. This paper proposes a complex-valued deep neural network (CVDNN) and a complex-valued convolutional neural network (CVCNN) as detectors for reconfigurable intelligent surface (RIS)-assisted generalized spatial modulation. Contrary to previous models, the complex-valued signals are directly fed into the neural network, which requires few feature vector generators and therefore has a simpler structure. Simulation results show that the proposed CVNN detectors exhibit improved error performance and stability for various modulation schemes compared with other traditional detection schemes over Nakagami-m fading channels. The results are shown to be approaching that of maximum likelihood detection, while outperforming existing RVNN detectors.


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    Titel :

    Complex-Valued Neural Network Detection for RIS-Assisted Generalized Spatial Modulation


    Beteiligte:
    Liu, Yuyan (Autor:in) / Zhang, Chaorong (Autor:in) / Ng, Benjamin K. (Autor:in) / Lam, Chan-Tong (Autor:in)


    Erscheinungsdatum :

    07.10.2024


    Format / Umfang :

    653038 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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