期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2016
卷号：5
期号：3
页码：2992
DOI：10.15680/IJIRSET.2016.0503043
出版社：S&S Publications
摘要：Link error and malicious packet dropping are two sources for packet losses in multi-hop wireless ad hocnetwork. While observing a sequence of packet losses in the network, whether the losses are caused by link errors only,or by the combined effect of link errors and malicious drop is to be identified. In the insider-attack case, wherebymalicious nodes that are part of the route exploit their knowledge of the communication context to selectively drop asmall amount of packets critical to the network performance. Because the packet dropping rate in this case iscomparable to the channel error rate, conventional algorithms that are based on detecting the packet loss rate cannotachieve satisfactory detection accuracy. To improve the detection accuracy, the correlations between lost packets isidentified. Homomorphic linear authenticator (HLA) based public auditing architecture is developed that allows thedetector to verify the truthfulness of the packet loss information reported by nodes. This construction is privacypreserving, collusion proof, and incurs low communication and storage overheads. To reduce the computation overheadof the baseline scheme, a packet-block based mechanism is also proposed, which allows one to trade detection accuracyfor lower computation complexity.
