In this work, a spike-QAM, a regular QAM constellation where one to four of the elements with the largest amplitudes are placed further from the center, is proposed as the optimum constellation that minimizes the ratio of the symbol-error-rate (SER) to peak-to-average-power-ratio (PAPR) in simultaneous-wireless-information-and-power-transfer (SWIPT) applications. This constellation is capable of maximizing the SER performance for a given design PAPR, or maximize the PAPR given a SER performance. The relationship between these parameters is defined. An approximation to the SER performance is given for the spike-QAM in AWGN channels and it is demonstrated to be valid via numerical simulations.


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    Title :

    Optimum Constellation for Symbol-Error-Rate to PAPR Ratio Minimization in SWIPT


    Contributors:


    Publication date :

    2022-06-01


    Size :

    478339 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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