Composite QAM sequences with low PMEPR

Composite QAM sequences with low PMEPR

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An upper bound for the peak-to-mean envelope power ratio (PMEPR) of composite quadrature amplitude modulation (QAM) sequences in orthogonal frequency division multiplexing (OFDM) systems is derived. The composite QAM sequence is constructed by linear weighted and shifted sum of quadrature phase-shift keying (QPSK) sequences.


    1. 1)
      • J.A. Davis , J. Jedwab . Peak-to-mean power control in OFDM, Golay complementary sequences, and Reed-Muller codes. IEEE Trans. Inf. Theory , 7 , 2397 - 2417
    2. 2)
      • Tarokh, B., Sadjadpour, H.: `Construction of OFDM M-QAM sequence with low peak to average power ratio', 35th Annual Conf. on Information Sciences and Systems, CISS 2001, Baltimore, MD, USA, John Hopkins University.
    3. 3)
      • Yoon, S., Sadjadpour, H.R.: `Composite QAM sequences with low PMEPR for application to multi-carrier transmission systems', IEEE Int. Conf. on Communications, May 2002, New York, NY, USA, 3, p. 1979–1983.

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