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A central gateway is a very important node for connecting the buses to pass messages from one bus to the other bus(es) in current in-vehicle networks. However, transmitting message through gateway causes additional delay to the end-toend delay of messages. Existing methods for analysis of gateway processing delay usually employed experimental measurements which are inefficient and cannot obtain a...
A task migration method is proposed for energy savings in multiprocessor real-time systems. The method is based on the portioned scheduling technique which classifies each task into a fixed task or a migratable task. The energy-aware migration with specified parameters is formulated as a linear programming problem, and optimal solution is given. Furthermore, the method is extended to more general...
In the automotive field, intelligent control systems and information services using vehicle data are rapidly expanding. However, there is no software architecture to handle sensor data in vehicles and their surrounding efficiently. To solve these problems, we have researched and developed data centric software architecture for automotive systems. We have also developed a data-stream management system...
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