Research on Anti-jamming Optimization of LDPC Encoding Algorithm in CMMB System
Minlu Dai · Video Engineering · 2012
According to the causes of interference in CMMB system,several LDPC encoding algorithms are analyzed,and an improved primitive polynomial LDPC encoding algorithm is proposed in order to improve the communication performance of CMMB system under the jamming.Simulation and practical engineering test results prove that the proposed algorithm can effectively reduce the block error rate,and improve the transmission quality of signal.