For the next stage, it must be solved that what correct actions should be taken at different layers when a legal node is attacked by multiple malicious nodes.
该方案还处于研究起步阶段，下一步还需要明确各层的正确行为，以及出现多个恶意节点对某个合法节点诬陷时所应采取的行动。
Sensor node localization is a fundamental technique in WSN. However, unsupervised sensor nodes are susceptible to the from malicious nodes and captured nodes due to its inherent openness.
无线传感器网络中很多应用都依赖于节点的坐标位置，所以节点定位技术是传感器网络领域中一项非常重要的基础技术。
Transaction time factors, transaction scales, and transactions number are introduced to calculate the trust value. Penalty item is used to limit node to provide malicious service.
引入了交易时间和交易规模、交易次数等因素来进行信任值的计算，利用惩罚项来限制交易节点提供恶意服务。
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