Abstract:

This paper introduces and analyzes the superiority of the random network coding applied to the wireless network coding;meanwhile,it conducts a study of the properties of Hadamard matrix.The random network coding method based on Hadamard matrix is proposed,and practical application shows that the coding coefficient based on Hadamard matrix not only realizes the effective network coding transmission,but also guarantees the security of the data transmission as well as decreasing the complexity of the existing random network coding algorithm.

Key words: random network coding;matrix analysis;secure communications