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为保证无线传感器追踪网络(WSTNs)移动组播服务质量(QoS)和安全性,在Mobicast协议基础上提出一种最优QoS安全认证算法,将被监测实体运动速度与组播应用服务需求相关参数向量化,并在其基础上得出满足最优QoS的多级μTESLA认证协议级数M的函数表达式.分析和仿真结果表明,该算法能够对达到特定QoS需求所需的相应安全认证密钥级数进行有效分析和预测,且对于网络能耗和通信实时性的影响是可以接受的.
In order to ensure QoS and security of WSTNs, an optimal QoS security authentication algorithm is proposed based on Mobicast protocol. The optimal QoS security authentication algorithm is proposed based on the Mobicast protocol. The parameters of the speed of the monitored entity and the demand of multicast application service Based on which the functional expressions of the multi-level μTESLA authentication protocols M which satisfy the optimal QoS are derived.The analysis and simulation results show that the algorithm can provide the corresponding security authentication key Series of effective analysis and prediction, and the network energy consumption and communication real-time impact is acceptable.