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Convergence analysis of turbo-hadamard codes using the extrinsic information transfer (EXIT) chart technique

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2 Author(s)
Yao-Jun Wu ; City University of Hong Kong ; Li Ping

We employ the extrinsic information transfer (EXIT) chart technique to assess the limiting performance of turbo-Hadamard codes and identify the optimized design parameters for such codes. It is shown that for a sufficiently long code length and a sufficiently large number of iterations, a carefully designed low-rate turbo-Hadamard code can potentially achieve successful decoding at Eb/N0≈ –1.30 dB, which is about 0.29 dB from the ultimate Shannon limit.

Published in:

Communications, 2004 IEEE International Conference on  (Volume:1 )

Date of Conference:

20-24 June 2004