Performance Analysis of Quasicyclic Low Density Parity Check Codes for Acoustic Communication System in Shallow Water
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TN 911.22

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    Abstract:

    Based on the suitable channel model,an implementation of quasicyclic low density parity check codes(QCLDPC)for acoustic communication system in shallow water is demonstrated.The simulation of the application shows with the sumproduct algorithms,the almost equal performance to that of the random LDPC is obtained with less complexity of QCLDPC.Although the BER of QCLDPC in shallow water,which counteracts the violent interference of multipath signals,slightly declines with the decrease of the fading rate,the errorcorrection performance remains perfect.

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ZHAO Xiaoqun, ZHANG Ling, YANG Ping, LI Lizhi. Performance Analysis of Quasicyclic Low Density Parity Check Codes for Acoustic Communication System in Shallow Water[J].同济大学学报(自然科学版),2009,37(10):

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