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System Performance of Concatenated STBC and Block Turbo Codes in Dispersive Fading Channels

Abstract

A new scheme of concatenating the block turbo code (BTC) with the space-time block code (STBC) for an OFDM system in dispersive fading channels is investigated in this paper. The good error correcting capability of BTC and the large diversity gain characteristics of STBC can be achieved simultaneously. The resulting receiver outperforms the iterative convolutional Turbo receiver with maximum- a-posteriori-probability expectation maximization (MAP-EM) algorithm. Because of its ability to perform the encoding and decoding processes in parallel, the proposed system is easy to implement in real time.

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Correspondence to Yinggang Du.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Du, Y., Chan, K.T. System Performance of Concatenated STBC and Block Turbo Codes in Dispersive Fading Channels. EURASIP J. Adv. Signal Process. 2005, 953781 (2005). https://doi.org/10.1155/ASP.2005.844

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Keywords

  • block turbo code
  • space-time block code
  • concatenation
  • OFDM
  • convolutional turbo code