Interleaver design for turbo codes

  • Authors:
  • H. R. Sadjadpour;N. J.A. Sloane;M. Salehi;G. Nebe

  • Affiliations:
  • AT&T Shannon Labs., Florham Park, NJ;-;-;-

  • Venue:
  • IEEE Journal on Selected Areas in Communications
  • Year:
  • 2006

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Abstract

The performance of a turbo code with short block length depends critically on the interleaver design. There are two major criteria in the design of an interleaver: the distance spectrum of the code and the correlation between the information input data and the soft output of each decoder corresponding to its parity bits. This paper describes a new interleaver design for turbo codes with short block length based on these two criteria. A deterministic interleaver suitable for turbo codes is also described. Simulation results compare the new interleaver design to different existing interleavers