计算机科学 ›› 2021, Vol. 48 ›› Issue (11A): 452-455.doi: 10.11896/jsjkx.210900131
蒋建峰1,2, 孙金霞1, 尤澜涛3
JIANG Jian-feng1,2, SUN Jin-xia2, YOU Lan-tao3
摘要： 为解决无线传感网络存在的网络生存时间短及缺乏有效的安全传输机制问题,提出了一种基于粒子群优化算法的无线传感网络安全分簇策略。该策略结合多项式混合密钥分配技术加密簇内和簇间节点的通信数据,保证了数据传输的安全性能;另一方面,通过优化的粒子群算法构造基于节点剩余能量和通信距离的适值函数来选择最优簇首和分簇数量,通过比较粒子聚合度值迭代计算求解,解决加密算法导致的微弱能量损耗问题,保证传感器网络性能的同时实现数据通信安全。网络仿真测试表明,该策略在确保传感网络安全的同时,能够将网络吞吐量提高120%,将传感网络生命周期延长30%~65%,更好地实现了传感网络性能的优化。
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