Low-complexity CA-SCL decoding optimization algorithm for low-orbit satellite communication
Based on the low-orbit satellite communication environment with limited hardware resources,this paper uses polarization code as the channel coding method,and combines the successive redundancy check(CRC)assisted successive cancellation list(SCL)decoder(CA-SCL)with critical sets and adaptive algorithms to propose an optimized CA-SCL decoder(OCASCL).The performance of the OCASCL decoder is better than the classic SCL decoder,the computational complexity can be reduced by 65%-70%.
LEO communicationpolar codeCA-SCLcritical setlow decoding complexity