Reconstruction of Turbo-code Interleaver at High Bit Error Rate

Ren Ya-bo; Zhang Jian; Liu Yi-nong

doi:10.11999/JEIT141556

Volume 37 Issue 8

Aug. 2015

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Article Navigation > Journal of Electronics & Information Technology > 2015 > 37(8): 1926-1930

Ren Ya-bo, Zhang Jian, Liu Yi-nong. Reconstruction of Turbo-code Interleaver at High Bit Error Rate[J]. Journal of Electronics & Information Technology, 2015, 37(8): 1926-1930. doi: 10.11999/JEIT141556

Citation:

Ren Ya-bo, Zhang Jian, Liu Yi-nong. Reconstruction of Turbo-code Interleaver at High Bit Error Rate[J]. Journal of Electronics & Information Technology, 2015, 37(8): 1926-1930. doi: 10.11999/JEIT141556

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Reconstruction of Turbo-code Interleaver at High Bit Error Rate

doi: 10.11999/JEIT141556

1.
2.
(Department of Engineering Physics, Tsinghua University, Beijing 100084, China)

Received Date: 2014-12-08
Rev Recd Date: 2015-03-23
Publish Date: 2015-08-19

Abstract

Abstract

An algorithm to recover a Turbo-code interleaver is proposed at high Bit Error Rate (BER), and it is applied to the 1/3 parallel concatenated Turbo-code. The recognition of channel coding plays an important part in the field of non-cooperative signal processing; recovering a Turbo-code interleaver is one difficulty. There are already some effective algorithms for the noiseless condition, but in actual communication system, Turbo code is often used in a high noisy level, where the BER is high and the word length is long: these algorithms would be ineffective. Using the characteristic of the parity-heck vector, each position of the interleaver can be separated and solved independently. Thus, it makes the recovery of every position only rely on several correlative positions, which avoids the error accumulation effect. The algorithm solves the problem when the BER is high and the code length is long, and it also has low complexity. Simulations show that for a Turbo code with interleaver length 10000 and BER 10%, the algorithm runs successfully.
- Turbo code,
- Interleaver,
- Reconstruction

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References(22)

References

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