桂林电子科技大学学报
桂林電子科技大學學報
계림전자과기대학학보
JOURNAL OF GUILIN UNIVERSITY OF ELECTRONIC TECHNOLOGY
2014年
1期
37-41
,共5页
王志强%刘建明%李宏周%彭智勇
王誌彊%劉建明%李宏週%彭智勇
왕지강%류건명%리굉주%팽지용
无线传感器网络%TinyOS%调度策略%协同调度
無線傳感器網絡%TinyOS%調度策略%協同調度
무선전감기망락%TinyOS%조도책략%협동조도
wireless sensor network%TinyOS%scheduling strategy%co-scheduling
针对TinyOS系统 FCFS任务调度机制对吞吐量和短任务实时响应的不足,提出了基于非抢占任务的实时周期监测调度策略。把任务抽象为周期和非周期2种存在形式,在2个任务队列中实现并行协调调度,使短任务单独组队、长任务进行优化调度处理。实验结果表明,在不影响原系统性能的前提下,此方法提高了系统吞吐量,改善了短任务响应性能。
針對TinyOS繫統 FCFS任務調度機製對吞吐量和短任務實時響應的不足,提齣瞭基于非搶佔任務的實時週期鑑測調度策略。把任務抽象為週期和非週期2種存在形式,在2箇任務隊列中實現併行協調調度,使短任務單獨組隊、長任務進行優化調度處理。實驗結果錶明,在不影響原繫統性能的前提下,此方法提高瞭繫統吞吐量,改善瞭短任務響應性能。
침대TinyOS계통 FCFS임무조도궤제대탄토량화단임무실시향응적불족,제출료기우비창점임무적실시주기감측조도책략。파임무추상위주기화비주기2충존재형식,재2개임무대렬중실현병행협조조도,사단임무단독조대、장임무진행우화조도처리。실험결과표명,재불영향원계통성능적전제하,차방법제고료계통탄토량,개선료단임무향응성능。
Aiming at the defect of throughput and short real-time response in the TinyOS system by using FCFS task schedu-ling mechanism,a scheduling strategy is proposed based on the non-preemption task cycle monitoring.The system tasks are abstracted two kinds of forms,and the parallel coordinate scheduling is realized in two tasks queues.Short task is scheduled separately,and long task is optimized by the scheduling process.The experimental results show that this method can im-prove the throughput and short task response performance without affecting the original system performance.