In this paper, we design a novel orthogonal time frequency space modulation based differential chaos shift keying (OTFS-DCSK) transceiver for reliable information transmissions. In this design, we exploit the orthogonal time frequency space (OTFS) modulation which is a two-dimensional modulation designed in the delay-Doppler domain, to combat multiplicative channel fading. Besides, since the OTFS-DCSK signal matrix is rank-1, we propose to utilize a singular vector decomposition (SVD) aided detection at the receiver to suppress the additive white Gaussian noise (AWGN) to further enhance the reliability. Thanks to the diversity obtained from OTFS modulation and the noise-suppression achieved by the SVD aided detection, the proposed OTFS-DCSK transceiver significantly improves the reliability performance, particular in the high-mobility wireless communications over the dual-dispersive channels caused by multipath propagation effects and Doppler shift effects. Simulation results validate the proposed OTFS-DCSK system outperforms the benchmark systems over AWGN, multipath and dual-dispersive fading channels.


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    Titel :

    An Orthogonal Time Frequency Space Modulation Based Differential Chaos Shift Keying Transceiver for Reliable Communications


    Beteiligte:
    Zheng, Jieheng (Autor:in) / Zhang, Lin (Autor:in) / Li, Yan (Autor:in) / Ouyang, Yuehui (Autor:in) / Zhuang, Hongcheng (Autor:in)


    Erscheinungsdatum :

    2023-06-01


    Format / Umfang :

    1281922 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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