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Quality of Service (QoS) assurance in Wireless Sensor Network (WSN) is a tough task, and it is more exciting due to the scarcity of resources. The requirement of different WSN applications running over has different constraints. In QoS, routing protocol the network has to balance the traffic. This paper presents a novel heuristic routing algorithm known as QoS assured Multi-objective Hybrid Routing...
The Mobile Ad-hoc Networks (MANET) are suffering from network partitioning when there is group mobility and thus cannot efficiently provide connectivity to all nodes in the network. Autonomous Mobile Mesh Network (AMMNET) is a new class of MANET which will overcome the weakness of MANET, especially from network partitioning. However, AMMNET is vulnerable to routing attacks such as Blackhole attack...
Cluster-based Mobile Wireless Sensor Networks (CMWSN) has become promising research domain for researchers in the field of ICT. CMWSN has found its way directly into the real world applications only because of the availability of low-cost Sensor nodes. In the last decade, most of the researchers assumed WSN as a collection of homogeneous and stationary sensor nodes. Mobility and heterogeneity of the...
Wireless Sensor Networks (WNs) as emerged as promising paradigm to monitor the physical world and it allows the network deployment at a very low cost. In WSNs energy consumption of a node is a critical aspect as it is a limited resource. Since the nodes are tiny devices with limited storage, computational capability a power, it is necessary that all protocols at all layers in WSNs must be energy efficient...
In the recent years Cognitive Radio (CR) technology imposed itself like a very good solution to the increasing spectrum utilization. This technology proposes the development of a new radio type - a cognitive radio - endowed with intelligence that shall sense, share, and use the spectrum opportunities (SOP) of the preexisting wireless networks, that is the channels that are not used by the licensed...
The cognitive radio (CR) technology was proposed as a solution for the lack of wireless resources in an environment with a rapidly growing number of users. The CR advances the dynamic utilization of the licensed users' unused spectrum channels by secondary users. The paper looks into large CR networks by proposing two improved variants of IPSAG (IP Spectrum Aware Geographic routing algorithm). The...
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