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題名 | 半成批電源管理方法應用在掌上型多媒體手機=Semi-Batch Power Management Methods for a Palmtop Multimedia Terminal |
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作者 | 白英文; Bai, Ying-wen; |
期刊 | Fu Jen Studies. Science and Engineering |
出版日期 | 19971200 |
卷期 | 31 1997.12[民86.12] |
頁次 | 頁19-31 |
分類號 | 448.84 |
語文 | chi |
關鍵詞 | 掌上型多媒體; 電源管理; 半成批; 佇列; 延遲變異; Palmtop multimedia; Power management; Semi-batch; Queue; Delay variance; |
中文摘要 | 電源管理技術是行動計算建置所需關鍵技術之一,尤其是針對本文所界定之掌上型多媒體手機。由於網路傳輸的變異性,手機經常處於閒置狀態等待多媒體資訊抵達。閒置狀態下的手機浪費了寶貴電源,造成必需經常充電。本文提出一種半成批電源管理方法將閒置手機切換狀態至低功率狀態,直到手機累積到足夠多之多媒體資訊,再將手機狀態切換至正常處理及顯示狀態,從機率統計模式及模擬結果顯示,半成批電源方法可以節省電源消耗。為簡化分析我們採用Poosion分佈模型且將手機操作區分為低功率狀態、轉換狀態以及正常操作狀態。 |
英文摘要 | Power management technology is one of enable technologys for the implementation of mobile computing. Especially, for a palmtop multimedia terminal, due to the variance of the network transmission speed, the terminal may wait the multimedia data coming and do noting except wasting power. To redue power consumption, this paper propose a semi-batch power management method which can switch the handheld machine to waiting state with low power consumption. Until the terminal accumulate certain amount of multimedia information, it can be switched to normal state with normal power consumption in order to process and display the block of information. From mathematical point of view and simulation result, we show the semi-batch power management method can save power consumption based on the combination of low power state, transistion state, and normal power state. For the simplication of the combination modeling, we use Possion distribution model for the analysis. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。