A Modified MAP Turbo Decoding Algorithm
In this paper, an improved maximum a posteriori probability (MAP) turbo decoding algorithm is proposed. This algorithm reduces the computational complexity however is exactly equivalent to the MAP turbo decoding. Then we extend the new algorithm for log-MAP. We also present some complexity compariso...
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| Vydáno v: | 2006 International Symposium on Communications and Information Technologies : Bangkok, Thailand, 18-29 October 2006 s. 380 - 383 |
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| Hlavní autor: | |
| Médium: | Konferenční příspěvek |
| Jazyk: | angličtina |
| Vydáno: |
01.10.2006
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| Témata: | |
| ISBN: | 9780780397408, 0780397401 |
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| Abstract | In this paper, an improved maximum a posteriori probability (MAP) turbo decoding algorithm is proposed. This algorithm reduces the computational complexity however is exactly equivalent to the MAP turbo decoding. Then we extend the new algorithm for log-MAP. We also present some complexity comparison to show that the modified algorithm requires fewer computation than MAP. As a practical example forming the basis for simulations, we consider a parallel concatenated trellis-coded modulation (PCTCM). The simulation results prove that our simplified algorithm is equivalent to the log-MAP algorithm in term of the performance |
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| AbstractList | In this paper, an improved maximum a posteriori probability (MAP) turbo decoding algorithm is proposed. This algorithm reduces the computational complexity however is exactly equivalent to the MAP turbo decoding. Then we extend the new algorithm for log-MAP. We also present some complexity comparison to show that the modified algorithm requires fewer computation than MAP. As a practical example forming the basis for simulations, we consider a parallel concatenated trellis-coded modulation (PCTCM). The simulation results prove that our simplified algorithm is equivalent to the log-MAP algorithm in term of the performance |
| Author | Rogeau-Azizi, L. |
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| PublicationTitle | 2006 International Symposium on Communications and Information Technologies : Bangkok, Thailand, 18-29 October 2006 |
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| Snippet | In this paper, an improved maximum a posteriori probability (MAP) turbo decoding algorithm is proposed. This algorithm reduces the computational complexity... |
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| StartPage | 380 |
| SubjectTerms | AWGN Computational complexity Computational modeling Concatenated codes Error correction codes Iterative decoding Modulation coding Table lookup Turbo codes Yttrium |
| Title | A Modified MAP Turbo Decoding Algorithm |
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