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This deep space sensor network based on DTN is an important research in modern deep space communications technologies. Bundle layer plays a key role in the network. How Bundle layer can provide services for network more rationally and efficiently is an important influencing factor to improve and enhance the network performance. This paper proposes special network architecture for this DTN-based network...
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...
The most important problem in multicast routing is Steiner tree problem, which has been proved to be NP-complete. This article proposed an algorithm based on Artificial Bee Colony Optimization (ABC). In this algorithm, we optimize the Steiner tree directly. It is not the same as traditional methods that find paths and integrate them to generate a Steiner tree. This algorithm use the characteristic...
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