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Link quality protocols employ link quality estimators to collect statistics on the wireless link either independently or cooperatively among the sensor nodes. Furthermore, link quality routing protocols for wireless sensor networks may modify an estimator to meet their needs. Link quality estimators are vulnerable against malicious attacks that can exploit them. A malicious node may share false information...
Underwater Wireless Sensor Network (UWSNs) have been proposed to monitor underwater regions such as seas and oceans. A typical example of an UWSN consists of a set of underwater sensor nodes and a set of sink nodes that are deployed at the sea surface. Using acoustic transmission, the sensors send their collected data to at least one of the sinks in what is known as the anycast transmission problem...
In this work, we propose an adaptive congestion control and avoidance mechanism as an enhancement to our earlier proposed QoS-aware routing protocol. We utilize Ant Colony Optimization (ACO) algorithms for adaptive multipath routing and use the monitoring feature of the Simple Network Management Protocol (SNMP) for QoS computation. So, merging these two methodologies we propose a powerful adaptive...
A wireless sensor network (WSN) depends on miniaturized wireless sensor nodes that are deployed to monitor physical phenomena by communicating with each other with limited resources. The major factor to be tackled in the WSN is the network lifetime. A recent WSN routing protocol defined as secure real-time load distribution (SRTLD) uses broadcast packets to perform neighbor discovery and calculation...
Wireless sensor networks (WSNs) have emerged as one of the hottest research areas in recent years. These networks use radio communications as a media for transmission which make them susceptible to different types of attacks. Sinkhole attack is considered as one of the severe attacks that is launched by a compromised node to attract the network traffic away from the intended route. Consequently, sinkhole...
We propose a novel congestion-aware routing protocol, which leverages local and remote congestion information for routing decisions. Path congestion is difficult to measure, therefore congestion aware protocols consider only local status. This protocol uses an innovative representation of congestion for router-router links. These congestion statistics are then distributed via an aggregation protocol...
Forest fires require huge resources to monitor and fight. It demands for a monitoring system to link all the resources for effective management. Information needs to be delivered to the base station and to cope with the network unreliability problem. Few routing protocol takes into consideration of this problem. It is a great challenge of the hierarchical routing protocol to provide Quality of Service...
Wireless sensor nodes can organize themselves after deployment in a large scale ad hoc network topology. Some traditional Ad hoc routing protocols do not take into account that a sensor node has limited capacities, e.g. energy. Therefore, they try to perform the sensing task regardless of the maximum hops and duration it takes. In wireless sensor networks (WSNs), this routing solution is unrealistic;...
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