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Underwater sensor networks (USNs) has many characteristics different from terrestrial wireless sensor networks (WSNs), such as dynamic network topology, unreliable acoustic communication, which increases the difficulty in energy efficiency and reliability of data transmission, for traditional WSN protocols are not suitable for underwater acoustic sensor networks (UASNs). Vector based forwarding (VBF)...
Vector based forwarding (VBF) routing protocol is a location-based energy efficient routing protocol designed for underwater acoustic sensor networks (UASNs). In this paper a VBF-improved routing protocol is proposed, which uses not only the information of location but also the residual energy and the number of retransmission in last cycle to make decision whether to make data forwarding. According...
Energy awareness is always a key issue to design a routing protocol for wireless sensor networks (WSNs) due to the capability limitation of the nodes. Reliability has come to an important issue in WSNs, since the nodes are prone to failure and the networks are unstable. In this paper, we present a hybrid routing protocol for WSNs which integrates the clustering hierarchical structure and multi-path...
Recently in order to improve the longevity and energy efficiency of WSN (Wireless Sensor Network), widely research have been carried on. Up to the present, many presented methods are based on clustering hierarchical structure. Nevertheless, these protocols don't consider the problem of data sensibility. Based on cluster hierarchical structure, we propose a routing protocol through which each node...
Recently, in order to improve the energy efficiency of WSN(Wireless Sensor Network), widely research have been carried on. But, up to the present, all presented methods are based on direct communication between CH (cluster head) and sink node, and based on the assumption that node can intelligent regulate signal energy according to the distance between nodes. So it's hard to implement those methods...
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