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ISI channel equalizers based on the factor graphs for M-QAM signalling M-QAM kipleme icin garpan gizge temelli ISI kanal denklestiriciler
Date
2013-08-05
Author
Sen, Pmar
Gelincik, Samet
Aktas, Tugcan
Yılmaz, Ali Özgür
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this work, we consider two methods especially for high order modulation types, namely the sum-product (SP) and linear minimum mean square error (LMMSE) algorithms, which were previously utilized to equalize the inter-symbol interference (ISI) channel. Techniques for reducing the computational complexity are proposed for the SP-based method. In addition, a new technique for the calculation of the extrinsic information is proposed, which significantly improves the performance in the LMMSE equalizer. The comparison of these proposed techniques is made through simulations carried out under the fading channel assumption
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URI
https://hdl.handle.net/11511/51796
DOI
https://doi.org/10.1109/siu.2013.6531234
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Department of Electrical and Electronics Engineering, Conference / Seminar
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P. Sen, S. Gelincik, T. Aktas, and A. Ö. Yılmaz, “ISI channel equalizers based on the factor graphs for M-QAM signalling M-QAM kipleme icin garpan gizge temelli ISI kanal denklestiriciler,” 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/51796.