Log-Concavity Property of the Error Probability With Application to Local Bounds for Wireless Communications

  title={Log-Concavity Property of the Error Probability With Application to Local Bounds for Wireless Communications},
  author={Andrea Conti and Dmitry Panchenko and Sergiy Sidenko and Velio Tralli},
  journal={IEEE Transactions on Information Theory},
A clear understanding of the behavior of error probability (EP) as a function of signal-to-noise ratio (SNR) and other system parameters is fundamental for assessing the design of digital wireless communication systems. We propose an analytical framework based on the log-concavity property of the EP which we prove for a wide family of multidimensional modulation formats in the presence of Gaussian disturbances and fading. Based on this property, we construct a class of local bounds for the EP… CONTINUE READING
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