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Large wireless networks are envisioned to play increasingly important roles as more and more mobile wireless devices are available to use. In these networks, it is often the case that some critical information needs to be readily accessible by the regular nodes, requiring a careful design of the information distribution technique. In this work, we propose PeB, Periodic Broadcast, that takes advantage...
In this paper, we proposed a kind of unicast routing suitable for deep space sensor networks, PEOPHR, on the basis of summarizing existing DTN unicast routing. This routing protocol utilizes a combination of copy and forward strategies. Its routing process consists three phrases: Bundle distribution based on copy strategy phase", "optimal path calculation based on WAOM routing selection...
In WSN (wireless sensor network), due to the changes of environment and application demands, we need to configure and reprogram the node online. This paper presents a cluster based hierarchical structure program image dispatching method, each cluster using different wireless channel, to avoid the message collision effectively. In the meantime, a paging mechanism-based retransmission is introduced,...
DSDV is a Distance-Vector routing protocol, which demands that every node periodically broadcast updated information. After analyzing the character and recent research on DSDV, the paper proposes a variable update cycle algorithm for DSDV to solve the problem that the cost and bandwidth waste largely increase because of broadcast updating when a increasing number of nodes enter the Ad Hoc. It sets...
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