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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...
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...
In the wireless sensor network with multitype sensors and different sample rates, collecting data in an energy-efficient way is a key issue. In this paper, a group based mobile agent routing (GMAR) protocol is presented. In GMAR, a source node grouping algorithm is designed, dividing sensors that can be sampled at same time in one group. To collect data efficiently, the node visiting sequence is statically...
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