A Review on Void Avoidance Routing Algorithms in Underwater Acoustic Sensor Networks

Deepanshu, Dr. B. Singh, Dr. Bhumika Gupta

Abstract
The reason for Underwater Acoustic Sensor Networks (UWASNs) is to discover differed applications for sea checking and investigation of seaward. In bigger piece of these applications, the organization includes a couple of sensor nodes passed on at different profundities in water. The sensor nodes which are arranged inside and out, at the ocean bed can't discuss unswervingly with those nodes which are near the surface level; these nodes require multi-hop correspondence which is encouraged by appropriate steering plan. The working of UWASNs are influenced by certain limitations like high transmission delay, energy utilization, arrangement, long proliferation deferral and high weakening and so forth Aside from this, the presence of void node in the course can likewise influence the general exhibition of UWASNs. The determination of best forwarder node relies upon profundity fluctuation, profundity contrast, and residual energy. This paper focuses on the review of void node avoidance algorithms and makes a comparative study of various available algorithms which have been proposed earlier. Later on, these are characterized into various categories as per their attributes and functionalities that will help the researches to find the research gaps in void node avoidance routing algorithm.

Key words: Underwater Acoustics Sensor Networks, Depth, Location, Void Node, Delay etc.

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