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In order to shorten the response times of aperiodic tasks in mixed task sets in real-time systems, this paper proposes an adaptive total bandwidth server (ATBS) algorithm based on aperiodic tasks with varying executing times. This method of reducing response times of aperiodic execution by using predictive execution times instead of worst-case execution times for deadline calculations in the total...
Energy consumption is one of the key issues in real-time system scheduling. In this paper, a new low power algorithm (LPABOBF) is proposed for the periodic task model of real-time systems. The algorithm uses dynamic voltage scaling (DVS) to calculate the optimal static speed at the offline stage, and updates the processor speed at running time by using the slack time of both high priority tasks and...
Scheduling algorithm is a hot research topic of real-time system. The quality of real-time scheduling algorithm has a direct impact on real-time system's throughput capacity, response time, even on tasks' scheduling result in required deadline. This paper discusses the features and performance of real-time system. According to system environment, real-time system can be divided into uniprocessor scheduling,...
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