In spectrally efficient frequency division multiplexing (SEFDM), the separation between subcarriers is reduced below the Nyquist criteria, enhancing bandwidth utilisation in comparison to orthogonal frequency division multiplexing (OFDM). This leads to self-induced inter-carrier interference (ICI) in the SEFDM signal, which requires more sophisticated detectors to retrieve the transmitted data. In previous work, iterative detectors (IDs) have been used to recover the SEFDM signal after processing a certain number of iterations, however, the sequential iterative process increases the processing time with the number of iterations, leading to throughput reduction. In this work, ID pipelining is designed and implemented in software defined radio (SDR) to reduce the overall system detection latency and improve the throughput. Thus, symbols are allocated into parallel IDs that have no waiting time as they are received. Our experimental findings show that throughput will improve linearly with the number of the paralleled ID elements, however, hardware complexity also increases linearly with the number of ID elements.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput


    Contributors:


    Publication date :

    2018-06-01


    Size :

    5217474 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




    Spectral Efficiency Analysis of SEFDM Systems with ICI Mitigation

    Yin, Zhisheng / Jia, Min / Lyu, Feng et al. | IEEE | 2019


    Joint STO and DFO Estimation for SEFDM in Low-Earth-Orbit Satellite Communications

    Liang, Xiaohu / Niu, Hehao / Liu, Aijun et al. | IEEE | 2022


    PHIST: a Pipelined, Hybrid-parallel Iterative Solver Toolkit

    Thies, Jonas / Röhrig-Zöllner, Melven / Overmars, Nigel et al. | German Aerospace Center (DLR) | 2020

    Free access