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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bhurtah, I. Catherine, P.C. Sunjiv Soyjaudah, K.M. |
| Copyright Year | 2015 |
| Description | Author affiliation: Sch. of Innovative Technol. & Eng. (SITE), Univ. of Technol., Port Louis, Mauritius (Catherine, P.C.) || Fac. of Eng., Univ. of Mauritius, Réduit, Mauritius (Bhurtah, I.; Sunjiv Soyjaudah, K.M.) |
| Abstract | Low-density parity-check (LDPC) codes are one of the most powerful error-correcting codes for wireless communication of high-speed data. This power comes from an efficient decoding scheme, the sum-product algorithm (SPA), which runs over the bipartite graph defining the code. In this work, we propose to use a modified version of the decoding algorithm over the LDPC codes used in Long Term Evolution (LTE) and WiFi and demonstrate that with the same number of iterations, without any increase in time complexity, we can achieve an enhanced error-correcting performance. The only trade off of the system is the necessary storage of the decoding sets, for a total size of $n_{s}$ × n, where $n_{s}$ is the number of decoding sets used and n is the codeword length. In this work, the maximum value of $n_{s}$ used is 5, which makes the trade-off fairly acceptable, considering that the coding gain is obtained virtually free-of-charge. |
| Starting Page | 1406 |
| Ending Page | 1410 |
| File Size | 113896 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781479988907 |
| DOI | 10.1109/CCAA.2015.7148600 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-05-15 |
| Publisher Place | India |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Integrated circuits IEEE 802.11 Standards Bit error rate Decoding Bipartite graph Iterative decoding |
| Content Type | Text |
| Resource Type | Article |
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