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Volume 31 Issue 12
Dec.  2010
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Liu Xing-cheng, Wang Kang. Decoding Algorithm for Block Turbo Codes Based on the Adaptive Quantized Testing Sequences[J]. Journal of Electronics & Information Technology, 2009, 31(12): 3006-3009. doi: 10.3724/SP.J.1146.2008.01843
Citation: Liu Xing-cheng, Wang Kang. Decoding Algorithm for Block Turbo Codes Based on the Adaptive Quantized Testing Sequences[J]. Journal of Electronics & Information Technology, 2009, 31(12): 3006-3009. doi: 10.3724/SP.J.1146.2008.01843

Decoding Algorithm for Block Turbo Codes Based on the Adaptive Quantized Testing Sequences

doi: 10.3724/SP.J.1146.2008.01843
  • Received Date: 2008-12-31
  • Rev Recd Date: 2009-06-29
  • Publish Date: 2009-12-19
  • Considering the defects in the adaptive Chase algorithm, a novel decoding algorithm for block Turbo codes based on the adaptive quantized testing sequences is proposed. This algorithm is employed to investigate the number of testing sequences, select the test patterns according to the possibility of least reliable bits, and use the quantizing-testing function to quantize the testing sequences according to the level of SNR, which can adaptively adjust the complexity of decoding. The simulation results show that, compared with the traditional algorithms, the proposed algorithm can reduce the decoding complexity with the same BER performance.
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