两层无线传感器网络中安全 Skyline 查询协议

摘要

There is few secure protocol about Skyline in two-tiered wireless sensor networks.A secure Skyline query protocol, namely SSLine,was proposed based on threshold filtering technology of Z-O encoding data sets.Query efficiency was enhanced using threshold filtering technology.Meanwhile,Z-O encoding data sets technology guaranteed the storage node security,and the query operation was completed.Through theoretical analysis,SSLine in two-tiered wireless sensor networks has superior performances in terms of guaranteeing data security.Simulation experimental results show that,comparing with other Skyline query protocols without secure strategy,the energy consumption of SSLine is within the tolerant range.%针对目前在两层无线传感器网络中极少有关于 Skyline 安全协议的情况，提出一种基于 Z-O 编码的阈值预筛选技术、能保证查询的安全性 Skyline 协议 SSLine。通过阈值预筛选技术提高查询效率，采用 Z-O 编码技术，保证存储节点安全，完成查询操作。理论分析结果表明，两层无线传感器网络中的 SSLine 在保证数据安全方面表现优越；仿真结果表明，相比没有安全策略的 Skyline 查询协议，SSLine 能耗的增加在可接受范围内。