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Directional sensors, such as cameras, are limited in their sensing angles, but are able to switch to different directions and cover the area of interest cooperatively. In directional sensor networks, how to prolong the network lifetime while satisfying certain coverage requirements is a fundamental problem since the sensors are powered by battery. In this paper, we propose scheduling schemes for directional...
With the NoC size growing constantly, efficient algorithms are needed to provide power/performance-aware task mapping on massively parallel systems. In this paper a novel tree-model based mapping algorithm is proposed, to achieve high energy efficiency and low latency on NoC platforms. A NoC is abstracted as a tree composed of a root node and median nodes at different levels. By mapping tasks starting...
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