Algorithmic Research on Error Resilient Decoding for IPv4 Protocol

When transmitting Internet protocol (IP) packets over error-prone networks,bit error can cause packet loss besides network congestion.Packet loss makes a strong impact on source recovery.For the sake of decreasing packet loss ratio,we consider the problem of error resilient decoding for internet protocol version 4 (IPv4).The correlation between fields in IP packet header is analyzed,a mathematical model for error resilient IPv4 decoding,and the error resilient decoding criterion using maximum a posterior (MAP) is deduced.Based on the decoding is constructed criterion,a novel error resilient decoding algorithm is proposed for IPv4 in segmenting form.Experimental results show that the algorithm can enhances the abilities of correcting errors significantly.