tError Con trol Approach of Random L inear Network Coding.A im ing at random linear netwo rk coding, th is paper p ropo ses an er ro r cont ro l method w h ich combines po int2 po int

check ing er ro r and end2 end ret ransm ission . By vir tue of the robustness of random linear netwo rk coding, th is method adop ts

th ree dimensional par ity check ing code to imp lement po int2 po int check ing er ro r, and let er roneous packets no t take par t in cod2

ing . W hen a sink node can no t decode the info rmat ion com ing f rom source node, it t ransm its feedback info rmat ion to source

node to request ret ransm ission . Theo ret ical analysis and simulat ion results show that, by using larger Galo is f ield and larger

packet, the p ropo sed method has h igh p robability to elim inate t ransm ission er ro r including global netwo rk coding ver texes er2

ro r, and make sink nodes integrally receive info rmat ion f rom source node at low er ret ransm ission rate .