A cooperative spectrum sensing scheme for cognitive radio ad hoc networks based on gossip and trust
A cooperative spectrum sensing scheme for cognitive radio ad hoc networks based on gossip and trust
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DOI：
10.1109/globalsip.2014.7032307
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发表时间：
2014-12
期刊：
影响因子：
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通讯作者：
Aida Vosoughi;Joseph R. Cavallaro;A. Marshall
中科院分区：
文献类型：
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作者：
Aida Vosoughi;Joseph R. Cavallaro;A. Marshall
在认知无线电自组织网络中，次用户必须以分散的方式合作，以确定主用户的存在或不存在。在这样的设置中，恶意节点通过向其他节点报告不正确的感知信息来恶化协作频谱感知性能。本文将认知无线电自组织网络中的分布式协作频谱感知分为两类：基于共识的和基于非共识的。我们调查和比较这些类别的频谱感知数据伪造攻击的敏感性，并分析信任管理在提高这些方法的性能的好处。为此，我们引入了一种新的信任感知的基于流言的分布式传感方案。我们的仿真结果表明，该方案显着提高了合作感知性能的恶意节点在网络中的存在。
In a cognitive radio ad hoc network, secondary users must cooperate in a decentralized way in order to determine the presence or absence of the primary user. In such a setting, malicious nodes deteriorate the cooperative spectrum sensing performance by reporting incorrect sensing information to the other nodes. We classify distributed cooperative spectrum sensing in cognitive radio ad hoc networks into two categories: consensus-based and non-consensus-based. We investigate and compare the sensitivity of these categories to spectrum sensing data falsification attacks and analyze the benefit of trust management in enhancing the performance of these methods. To this end, we introduce a novel trust-aware gossip-based scheme for distributed sensing. Our simulation results show that the proposed scheme significantly improves the cooperative sensing performance in the presence of malicious nodes in the network.