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For an urban road indicating device, Variable Message Signs (VMS) screen system is used to publish and display all kinds of traffic information, including the condition of current and nearby roads and the useful travel advice, which leads to the topic that the VMS screen visual effect is a crucial issue. Therefore, a model for the visual effect evaluation of VMS screen with the simulation method is...
Wireless sensor networks are often deployed to work in harsh or disaster and other special environments, such as earthquakes, floods, fires, other outer space and the battlefield. Owing to the lack of energy or disaster scenarios, sensor nodes may fail easily. This severe reduce the data persistence in the network and the efficiency of the sensed data acquisition. Growth Codes (GC) can work effectively...
TCP is widely used in the communications between servers in data centers. However, TCP has scaling limit that its ability to provide fair sharing at bottleneck link is reduced as the number of competing flows increases. Such limit is common in current data center networks and causes unfairness among TCP flows on a small time scale. The unfairness would add unpredictable delay to short flows, which...
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