Abstract
In this work, two new self-tuning collaborative-based mechanisms for jamming detection are proposed. These techniques are named (i) Connected Mechanism and (ii) Extended Mechanism. The first one detects jamming by comparing the performance parameters with respect to directly connected neighbors by interchanging packets with performance metric information, whereas the latter, jamming detection relays comparing defined zones of nodes related with a collector node, and using information of this collector detects a possible affected zone. The effectiveness of these techniques were tested in simulated environment of a quadrangular grid of 7 × 7, each node delivering 10 packets/sec, and defining as collector node, the one in the lower left corner of the grid. The jammer node is sending packets under reactive jamming. The mechanism was implemented and tested in AODV (Ad hoc On Demand Distance Vector), DSR (Dynamic Source Routing), and MPH (Multi-Parent Hierarchical), named AODV-M, DSR-M and MPH-M, respectively. Results reveal that the proposed techniques increase the accurate of the detected zone, reducing the detection of the affected zone up to 15% for AODV-M and DSR-M and up to 4% using the MPH-M protocol.
Highlights
Wireless Sensor Networks (WSNs) are made up of hundreds, or even thousands, of sensor nodes with limited communication and calculation capabilities that can cooperate to perform complex tasks such as monitoring or control [1,2,3]
The results show that Ad hoc On-demand Distance Vector (AODV) and Dynamic Source Routing (DSR) can reduce the area of the location of the jammer node to approximately 15% of all the network while MPH can further reduce the area to 4%
We want to observe how the network is recovered under each of the protocols and we note that MPH has better resilience in 18% with respect to AODV and DSR
Summary
Wireless Sensor Networks (WSNs) are made up of hundreds, or even thousands, of sensor nodes with limited communication and calculation capabilities that can cooperate to perform complex tasks such as monitoring or control [1,2,3]. Reactive routing protocols [11] are broadly adopted in WSNs due to their small packet overhead on the network and the fact that new nodes entries are created only when deemed necessary, which reduces the required number of messages between neighbor nodes. The MPH protocol, proposed in [14], creates a hierarchical network logical topology where the hierarchy of the nodes is given by their location level. It works like a hierarchical tree: nodes establish parent and child links that constitute the possible routes. Two new collaborative mechanisms for jamming detection, based on cooperation by receiving feedback from other network nodes, are proposed.
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