Anti-interference is a major challenge in wireless communications. In this paper, a new set of optimal no-hitzone(NHZ) frequency-hopping (FH) sequence (so-called NHZ FH pattern) are constructed, which offers lower frequency-hits than other hopping patterns. With such a NHZ FH pattern, an improved FH system using an adaptive beam-forming (BF) receiver (NHZ/FH-BF system) is investigated for the interference mitigation. By combining NHZ/FH and BF techniques, the proposed system can fully harness the advantage of anti-interference from the spatial and the frequency domains to improve the anti-interference capability. The numerical and simulation results show that the anti-interference performance and the spectral efficiency of the proposed NHZ/FH-BF system significantly outperform the traditional systems, i.e., the NHZ/FH system with single antenna and the FH-BF system with the uniformly-distributed FH pattern.


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    Title :

    An Improved Frequency-Hopping System with No-Hit-Zone Hopping Pattern Based on Adaptive Array Receiver for Anti-Interference


    Contributors:
    Zeng, Qi (author) / Liu, Xing (author) / Zhong, Jun (author)


    Publication date :

    2019-04-01


    Size :

    240716 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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