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Development of semiconductor process makes devices have smaller area, lower power, and reduced wire connections. To achieve this purpose, macro placement plays an important role in the design flow. In this paper, we present a routability-driven macro placement algorithm considering pins location to optimized scaled routing congestion and macro placement area. By considering pins location, reclassify...
Wireless sensor networks consist of small battery powered devices with limited energy resources. The energy efficiency is key design that needs to be enhanced in order to improve the life-time of the network. However, the conventional cluster constructions are difficult to control the geographical area of a cluster. The methods usually generate long-distance intra-cluster routing and can not keep...
This paper presents a novel pheromone update strategy for improving the clustering results of ant colony optimization (ACO). The proposed algorithm is motivated by the observation that most of the ACOs only keep track of the promising foraging information, which has the potential to lead to better solutions than all the other search directions in the pheromone table. This eventually makes the search...
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