Abstract
A new encoding technique for low density parity check (LDPC) code at the uplink of 3rd Generation Partnership Project Long Term Evolution (3GPP LTE) is proposed. The concept of approximate lower triangulation (ALT) is used where the parity check matrix is preprocessed and encoded in O(n) complexity. This encoding technique is applied in the uplink of LTE system where single carrier frequency division multiple access (SC-FDMA) is used as the multiple access scheme. As the encoding is performed in a O(n) complexity, it will outperform the existing LDPC encoding which is not used in LTE uplink due to its high encoding complexity. The proposed encoding is simulated in the SCFDMA scenario and the BER curve is shown.
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Islam, M.R., Kim, J. (2009). Low Density Parity Check Code for the Single Carrier Frequency Division Multiple Access. In: Lee, Yh., Kim, Th., Fang, Wc., Ślęzak, D. (eds) Future Generation Information Technology. FGIT 2009. Lecture Notes in Computer Science, vol 5899. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10509-8_28
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DOI: https://doi.org/10.1007/978-3-642-10509-8_28
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