Packet Dropping Attacks in Wireless Networks

A link error and malicious packet drops in 2 sources for packet losses in multi-hop wireless circumstantial network. we tend to observe that sequence of packet losses within the network, I fascinated by confirm whether or not the losses area unit caused by link errors solely, or by the combined result of link errors and malicious drop. I particularly fascinated by the insider-attack case, wherever malicious nodes that area unit a part of the route exploit their information to speak context to selective drop atiny low quantity of packets crucial to the network performance. as a result of the packet born rate during this case is resembling the channel error rate, typical formula that area unit supported detection the packet loss rate cannot succeed satisfaction detection accuracy. to boost the detection accuracy, we tend to propose to take advantage of the correlations between lost packets. to make sure truthful calculation of those correlations, I developed a homomorphic linear appraiser (HLA) primarily based public audit design that enables the detector to verify the honestness of the packet loss info rumored by nodes. This construction is privacy conserving, collusion proof, and incurs low communication and storage overheads. to scale back the computation overhead of the baseline theme, a packet-block-based mechanism is additionally projected, that permits one to trade detection accuracy for lower computation complexness. Through intensive simulations, we tend to verify that the projected mechanisms succeed considerably higher detection accuracy than typical ways like a maximum-likelihood primarily based detection.