In simultaneous transmit and receive wireless communications, digital self-interference (SI) cancellation is required before estimating the remote transmission (RT) channel. Considering the inherent connection between SI channel reconstruction and RT channel estimation, we propose a multi-layered M-estimate total least mean squares (m-MTLS) joint estimator to estimate both channels. In each layer, our proposed m-MTLS estimator first employs an M-estimate total least mean squares (MTLS) algorithm to eliminate residual SI from the received signal and give a new estimation of the RT channel. Then, it gives the final RT channel estimation based on the average of the estimation values obtained from each layer. Compared to traditional minimum mean square error estimator and single-layered MTLS estimator, it demonstrates that the m-MTLS estimator has better performance of normalized mean squared difference. Besides, the simulation results also show the robustness of m-MTLS estimator even in scenarios where the local reference signal is contaminated with noise, and the received signal is impacted by strong impulse noise.


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    Titel :

    Digital Self-Interference Cancellation With Robust Multi-layered Total Least Mean Squares Adaptive Filters


    Beteiligte:
    Song, Shiyu (Autor:in) / Tang, Yanqun (Autor:in) / Wei, Xizhang (Autor:in) / Zhou, Yu (Autor:in) / Lu, Xianjie (Autor:in) / Wang, Zhengpeng (Autor:in) / Ge, Songhu (Autor:in)


    Erscheinungsdatum :

    10.10.2023


    Format / Umfang :

    1399728 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch







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