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The Low Voltage Power Line Communication (LVPLC) MAC protocols are an important influence factor to the network throughput. To solve the problem that the relatively low throughput due to the asymmetric PLC channel influence, we propose an improved adaptive p persistent CSMA protocol to optimize throughput for the finite loads in LVPLC accurate artificial cobweb network. This protocol reduces collision...
This paper investigates random walk mobility models with location heterogeneity, where different locations may have different neighboring regions. We consider $n$<alternatives> <inline-graphic xlink:type="simple" xlink:href="wang-ieq1-2361458.gif"/></alternatives> locations in a one-dimension network and investigate two cases, i.e., full-range locations where...
Future lunar exploration requires rovers to understand lunar environment and terrain characteristic. In order to assess the traction traversability of a lunar rover, it is necessary to make terrain parameter estimation with lunar rover's traveling information. The online estimation methods of terrain parameter attract increasing attention because of its rapidness and effectiveness. Taking full account...
The dynamic mathematical model of cool storage air conditioning system is established by method of mechanism modeling, and the refrigeration system model and cool storage tank model are coupled by mass conservation and energy conservation. Effects of flow rate of secondary refrigerant and evaporator inlet temperature on the system operation were studied. The supplying law of air conditioning cold...
In this paper, we propose a Web service composition technique considering semantic properties and quality of service attributes using CK-matrix and large scale network topology analysis. This method stores the network structure in CK-matrix and decomposes the query into sub-regions according to the structure of the large-scale network. The method can find optimal, alternative or inferior solutions...
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