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Opportunistic networks aim to provide reliable communications in an intermittently connected environment. The research in cache management of opportunistic networks has been done a lot in those aspects, such as queue strategy, cache replace, redundancy delete, etc. But most of the existing studies only focus on a subdivision of the buffer management. To deal with such case, this article proposes a...
The direct welding K-joint of steel tubular members is a kind of usual joint of Steel Tube Tower for Large Crossing of Transmission Lines. However, the dynamic stress-strain and the subsequent formation of residual stress produce in welding process,which are the main factors affecting the load carrying capacity, so it is necessary to research and analyze.Based on thermoelastic-plastic theory, the...
This paper presents a practical multicast routing, which dynamically transforms a conventional multicast tree into a multicast mesh and increases the opportunities for coding by applying double direction network coding scheme. The simulation shows the proposed algorithm is a practical multicast routing, and it has better performances by comparing with ODMRP and MORE-M in terms of coding gain and packet...
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