Among many proposed multi-carrier systems, circular filter bank multi-carrier offset quadrature amplitude modulation (CFBMC-OQAM) is one of promising candidates for future wireless networks. This paper studies the impacts of the intrinsic interferences, namely inter-symbol interference (ISI) and inter-carrier interference (ICI), and phase noise (PN) on the performance of CFBMC-OQAM systems. Two types of PN are considered: one is based on a free-running oscillator and the other is based on a phase-locked loop oscillator. Sources of performance degradation are quantified and a closed-form expression is derived for the signal-to-interference ratio (SIR). An algorithm is then applied to mitigate the PN impacts which takes into account the intrinsic interferences. It is observed that while the impact of the self interference can be negligible when there is no PN, the presence of PN significantly degrades performance of CFBMC-OQAM systems. The applied algorithm is shown to effectively remove the PN impacts.


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    Title :

    Impacts of Phase Noise on CFBMC-OQAM


    Contributors:
    Le, Long D. (author) / Nguyen, Ha H. (author)


    Publication date :

    2018-08-01


    Size :

    1121665 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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