In this scheme we put forward the concept of matrix pool on which our key predistribution scheme is upbuilt，and encrpytion scheme is introduced into the process of key transfer.

该方案提出了矩阵池的概念，将密钥的预配置建立在多个密钥矩阵之上，节省了节点的存储空间，增强了网络的可扩展性。将加密传输机制应用到密钥的传输过程中，增强了密钥传输过程中的安全性。