%0 Journal Article %A WANG Han-xin %A ZHU Cui-tao %T Design for the asymmetric Turbo codes %D 2010 %R 10.3778/j.issn.1002-8331.2010.22.021 %J Computer Engineering and Applications %P 65-67 %V 46 %N 22 %X Two types of asymmetric turbo codes are proposed,which are consisted of the parallel concatenated turbo codes that use the different types of the component codes with different not only the constraint length but also the generator polynomial,the proposed scheme can improve the BER performance in the region of the lower SNR and reduce the error floor in the region of the higher SNR.The simulation results show the asymmetric turbo codes can perform better than the typical symmetric system at both low and high SNR with reduced decoding complexity. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2010.22.021