Detecting Selfish Backoff Attack in IEEE 802.15.4 CSMA/CA Using Logistic Classification

This paper discussed about the detection of random access attack in IEEE 802.15.4 wireless networks. In IEEE 802.15.4, the medium access control mechanism is designed based on carrier sensing multiple access with collision avoidance (CSMA/CA) with exponential backoff. When an IEEE 802.15.4 device has very small backoff, it takes higher priority to get the channel compared to the other conventional IEEE 802.15.4 devices. This obviously degrades the network throughput performance of normal IEEE 802.15.4 devices. This paper presents the analysis of the impacts and proposes the method for detecting the malicious selfish backoff attacker via logistic classification.