θ-QAM: A parametric quadrature amplitude modulation family and its performance in AWGN and fading channels

@article{Pappi2010QAMAP,
  title={θ-QAM: A parametric quadrature amplitude modulation family and its performance in AWGN and fading channels},
  author={Koralia N. Pappi and Athanasios S. Lioumpas and George K. Karagiannidis},
  journal={IEEE Transactions on Communications},
  year={2010},
  volume={58}
}
We study a parametric quadrature amplitude modulation (QAM) family, called θ-QAM, which includes other known constellations, such as square QAM (SQAM) and triangular QAM (TQAM), as special cases. The versatile structure of the θ-QAM signal constellation, which occurs from the varying angle between the signal points, results in achieving the minimum symbol error rate (SER) or bit error rate (BER), under an average power constraint. The theoretical study aims at providing insight into the trade… CONTINUE READING
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