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Routing Protocol with Minimized Load Distribution for UASNs
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DOI：10.1007/978-3-319-75928-9_23.png)
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Abstract
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Underwater Acoustic Sensor Networks (UASNs) have gained interest of many researches due to its challenges like long propagation delay, high bit error rate, limited battery power and bandwidth. Node mobility and the uneven load distribution of sensor nodes results in creation of void holes in UASNs. Avoiding void holes benefits better coverage over an area, less energy consumption and high throughput. Therefore, in our proposed scheme, the sleep awake scheduling of corona nodes is done in order to minimize the data traffic load as well as balance the energy consumption in each corona. After network initialization, nodes in the even numbered coronas are set to sleep mode whereas nodes in odd coronas are in active mode. When the nodes in a corona deplete certain amount of energy, the nodes in sleep mode are switched to active operation mode. Thus, by scheduling data traffic load on each corona node is minimized also the energy of corona nodes is balanced. Simulation results verify the effectiveness of our proposed scheme in terms of traffic load distribution and energy consumption in sparse network.
Keywords:
Underwater wireless sensor networks
Load balancing
Energy consumption
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