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传感器网络中面向隐私保护的高精确度数据融合算法 被引量:45

High-Accuracy and Privacy-Preserving Oriented Data Aggregation Algorithm in Sensor Networks
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摘要 无线传感器网络是物联网的重要组成部分,在数据融合的同时加入隐私保护机制是无线传感器网络隐私保护与安全的手段之一.文中针对现有SMART隐私保护方案的一些性能缺陷,加入多类优化因子,形成新的传感器网络数据融合隐私保护算法.这些算法的重点是提高数据融合的精确度和安全性,其中加入局部优化因子的算法在保证高精确度的同时,构成了新的隐私保护方案,有效地降低了通信量,从而减少节点能量支出,间接地延长了网络存活时间.仿真结果显示,吸收这些优化因子的P-SMART-CLPNT算法是一种具有精确度高、通信量小的隐私保护数据融合算法. Wireless sensor networks (WSNs) is an important part of Internet of Things (IoT). Privacy-preserving in data aggregating is an effective way to protect security of data in WSN. SMART is one of data aggregation algorithms. This paper presents some optimizing factors used to enhance performance of SMART scheme in terms of privacy-preserving and data aggregating precision. Based on the optimal parameters, it proposes some new data aggregating schemes, which reduce communication overhead and then the energy consumption. Therefore, they prolong the lifetime of the network. Simulation results show that the proposed schemes P-SMART- CLPNT demonstrate good performance in data aggregation precision, communication overhead, and privacy-preserving with the optimal parameters.
出处 《计算机学报》 EI CSCD 北大核心 2013年第1期189-200,共12页 Chinese Journal of Computers
基金 国家"九七三"重点基础研究发展规划"物联网混杂信息融合与决策研究"课题(2011CB302903) 国家自然科学基金项目"云计算环境下的新型访问控制理论与关键技术研究"(61272084) 江苏省自然科学基金(BK2009426) 江苏省高校自然科学研究重大项目(11KJA520002) 高等学校博士学科点专项科研基金资助课题(20113223110003 20093223120001) 中国博士后科学基金项目(2011M500095)资助~~
关键词 物联网 无线传感器网络 数据融合 隐私保护 Internet of Things wireless sensor network data aggregation privacy preserving
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参考文献16

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