The detection performances of MIMO radar can be improved by waveform diversity technology. The waveform diversity gain depends on the correlation side-lobe level of the orthogonal waveform set. Generally, peak side-lobe level (PSL) and integrated side-lobe level (ISL) are two most important performance metrics of the correlation side-lobe level. Few existing orthogonal waveform set design algorithms can minimize PSL and ISL simultaneously. To tackle this problem, this article first proposes a correlation side-lobe performance metric in the form of p-norm, denoted by p-ISL. Then, in order to minimize the p-ISL, this article develops a p-MM algorithm based on majorization–minimization (MM) framework, which transforms the complex p-order polynomial minimization problem into a series of low-order simple optimization problems. Numerical results show that the p-MM algorithm can effectively suppress the correlation side-lobe level and strike a good balance between the PSL and ISL metrics. Compared with the best PSL optimization algorithm based on primal dual method, the p-MM obtains about the same PSL and lower ISL values. Compared with multi-CAN, MM-Corr, ISL-New,and the other state-of-the-art ISL minimization algorithms, the p-MM obtains slightly higher ISL and much lower PSL. Briefly, the p-MM is able to obtain almost the best PSL and relatively low ISL values.


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    Title :

    Designing Low Side-Lobe Level-Phase Coded Waveforms for MIMO Radar Using P-Norm Optimization


    Contributors:
    Liu, Tianqu (author) / Sun, Jinping (author) / Wang, Guohua (author) / Du, Xiaoyong (author) / Hu, Weidong (author)


    Publication date :

    2023-08-01


    Size :

    2269398 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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