Error probability analysis of bit-interleaved coded modulation

  • Authors:
  • A. Martinez;A. . Guillen i Fabregas;G. Caire

  • Affiliations:
  • Dept. of Electr. Eng., Tech. Univ. Eindhoven, Netherlands;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 2006

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Abstract

This correspondence presents a simple method to accurately compute the error probability of bit-interleaved coded modulation (BICM). Thanks to the binary-input output-symmetric (BIOS) nature of the channel, the pairwise error probability (PEP) is equal to the tail probability of a sum of random variables with a particular distribution. This probability is in turn computed with a saddlepoint approximation. Its precision is numerically validated for coded transmission over standard Gaussian noise and fully interleaved fading channels for both convolutional and turbo-like codes.