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    题名: Disseminating data with time constraint based on multichannel over ubiquitous computing environments
    作者: Chiang,DJ;Shih,TK;Chen,CL
    贡献者: 資訊工程學系
    关键词: BROADCAST DISKS;SYSTEMS;PERFORMANCE;NETWORKS;DELIVERY
    日期: 2011
    上传时间: 2012-03-27 18:57:52 (UTC+8)
    出版者: 國立中央大學
    摘要: Time-constrained service plays an important role in ubiquitous services. However, the resource constraints of ubiquitous computing systems make it difficult to satisfy timing requirements of supported strategies. In this study, we study scheduling strategies for mobile data program with timing constraints in the form of deadlines. Unlike previously proposed scheduling algorithms for mobile systems which aim to minimize the mean access time, our goal is to identify scheduling algorithms for ubiquitous systems that ensure requests meet their deadlines. We present a study of the performance of traditional real-time strategies, and demonstrate that traditional real-time algorithms do not always perform the best in a mobile environment. We propose an efficient scheduling algorithm, called scheduling priority of mobile data with time constraint(SPMT), which is designed for timely delivery of data to mobile clients. The experimental results show that our approach outperforms other approaches over performance criteria.
    關聯: WORLD WIDE WEB-INTERNET AND WEB INFORMATION SYSTEMS
    显示于类别:[資訊工程學系] 期刊論文

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