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With the research and application of wireless sensor networks are widely used in the medical field. It is put forward higher requirements for its reliability, flexibility and high efficiency. Changeable and unpredictable characteristics of the medical field environment are major factors that lead to the reliability decline in medical wireless sensor network. Finding a reliable path is an effective...
In communication network, the transmission delay varied with flow fluctuation will change the shortest delay. Previous reliability algorithms in communication network have been used to determine the shortest path, which means links in such network have fixed average delay, so they can not indicate the delay's transient variation caused by flow fluctuation. This leads to erroneous conclusions about...
Wireless sensor network mainly focuses on monitoring particular area for event and sending detected event to the destination as soon as possible and in reliable manner. In WSN some methods uses single node to send event packet, some methods uses multiple nodes and some method uses all nodes in particular region where event is detected to send event packet to the destination. In this paper we focus...
Reliability in IP-multicast forwarding becomes useful while operating in lossy environment of wireless sensor networks. RPL is a protocol for forming a multicast tree in sensor networks for multicast data forwarding. Trickle multicast uses RPL to provide reliability, however it has a high overhead and delay, especially when a radio duty cycle is used on the sensors. Stateless Multicast Forwarding...
Disjoint multipath routing is an attractive approach for improving the reliability of data delivery in wireless sensor networks. Recently, the issue for maintaining the robustness and efficiency of the disjoint multipath routing against network failures such as network holes are being studied. Several protocols have been proposed to handle the network failures. However, they cause the large performance...
The reliability of multicast communication has a strong challenging area of research and very popular in current computer networks. In this paper, based on the high reliability transmission, we proposed a minimum cost with delay-constrained multicast routing algorithm named MART, and described a network topology model with multiple QoS-constrained. The algorithm tries to minimize the cost of multicast...
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