基于混合任务的系统级低功耗实时调度算法及其在馈线远方终端中的应用

System Level Low Power Real-Time Scheduling Algorithms of Mixed Tasks and Their Applications to Feeder Terminal Unit

摘要: 在保证实时性的前提下，研究了馈线远方终端的系统级低功耗设计方法．在馈线远方终端中采用主从CPU的硬件结构，对主CPU进行任务划分和实时性分析；并结合动态电压调节技术，设计了基于混合任务的静态、动态低功耗调度算法．仿真实验表明，该方法能够有效降低远方终端的功耗．

Abstract: A system level low power design technique for feeder terminal unit(FTU)is investigated while satisfying the real-time constraints.A master-slave CPU architecture is adopted in FTU,and task partitioning and real-time analysis for the master CPU are performed.Then static and dynamic low power scheduling algorithms of mixed tasks by using dynamic voltage scaling(DVS)technology are proposed.The simulation experiment shows that these algorithms can effectively decrease FTU power consumption.