T. Baba and S. Wada (Japan)
Multi-Carrier CDMA (MC-CDMA), Error-CorrectingCode, Low Density Parity Check Code (LDPC code),Probability Propagation Algorithm
In this paper, a performance of Multi-Carrier Code Division Multiple Access (MC-CDMA) system using iterative Low Density Parity Check (LDPC) code algorithm is analyzed to improve the quality of communication. In wireless mobile communication systems, the fading effect, the existence of interference and noise in channel are essential subjects. The bit error rate increases by these disturbances. Various approaches have been investigated to improve the bit error rate. The error correcting code is an effective and universal method for damaged symbol bit estimation. In this paper, computationally efficient iterative LDPC code is applied to improve the quality of communication of MC-CDMA system. In the simulations, the performance of MC CDMA system is evaluated in various noise environments. The effectiveness of the LDPC code used for MC-CDMA system is shown.
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