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- W2969949168 abstract "This thesis presents a study about the problem of data gathering in the inhospitableunderwater environment. Besides long propagation delays and high error probability,continuous node movement also makes it difficult to manage the routing informationduring the process of data forwarding. In order to overcome the problem of largepropagation delays and unreliable link quality, many algorithms have been proposedand some of them provide good solutions for these issues, yet continuous nodemovements still need attention. Considering the node mobility as a challenging task,a distributed routing scheme called Hop-by-Hop Dynamic Addressing Based (H2-DAB) routing protocol is proposed where every node in the network will be assigneda routable address quickly and efficiently without any explicit configuration or anydimensional location information. According to our best knowledge, H2-DAB is firstaddressing based routing approach for underwater wireless sensor networks(UWSNs) and not only has it helped to choose the routing path faster but alsoefficiently enables a recovery procedure in case of smooth forwarding failure. Theproposed scheme provides an option where nodes is able to communicate withoutany centralized infrastructure, and a mechanism furthermore is available wherenodes can come and leave the network without having any serious effect on the restof the network. Moreover, another serious issue in UWSNs is that acoustic links aresubject to high transmission power with high channel impairments that result inhigher error rates and temporary path losses, which accordingly restrict theefficiency of these networks. The limited resources have made it difficult to design aprotocol which is capable of maximizing the reliability of these networks. For thispurpose, a Two-Hop Acknowledgement (2H-ACK) reliability model where twocopies of the same data packet are maintained in the network without extra burdenon the available resources is proposed. Simulation results show that H2-DAB caneasily manage during the quick routing changes where node movements are veryfrequent yet it requires little or no overhead to efficiently complete its tasks." @default.
- W2969949168 created "2019-08-29" @default.
- W2969949168 creator A5017046956 @default.
- W2969949168 date "2011-09-01" @default.
- W2969949168 modified "2023-09-24" @default.
- W2969949168 title "EFFICIENT DYNAMIC ADDRESSING BASED ROUTING FORUNDERWATER WIRELESS SENSOR NETWORKS" @default.
- W2969949168 hasPublicationYear "2011" @default.
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