The paper studies the key predistribution schemes of the wireless sensor networks based on super simple balanced incomplete block design. The combinatorial frame is adoped,which is established based on partially balanced t-design. MATLAB simulation analysis and computation of the basic metric of this scheme, prove that the scheme maintains the original connectivity, slightly sacrifice the flexibility but in exchange for greater practicality compared with KPS based on balanced incomplete block design which index is equal to 1.%本文研究了基于超单纯平衡不完全区组设计的无线传感器网络的密钥预分配方案。主要采用了基于部分平衡t设计的组合研究框架，运用matlab仿真方法对该方案的基本度量进行计算和分析，发现该方案与基于指数为1的平衡不完全区组设计的方案相比，保持了连通性，适当牺牲了弹性，但获得了更大的实用性。
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