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|Other Titles: ||Energy balanced rendezvous mechanisms for wireless sensor networks|
|Authors: ||張妤甄;Chang, Yu-Jhen|
黃仁俊;Hwang, Ren Junn
|Keywords: ||信標間隔;工作週期;電量平衡;法團系統;會面;無線感測網路;beacon interval;duty cycle;energy balance;Quorum System;rendezvous;Wireless sensor network|
|Issue Date: ||2015-05-04 09:59:36 (UTC+8)|
|Abstract: ||近年來，無線感測網路技術因具有低建置成本的優點，而被廣泛使用於各種應用之中。基於感測器有限電力的特性，目前已有許多研究探討如何在有限電量下，延長無線感測網路生命週期。其中，以法團系統(Quorum System)設計感測器醒睡排程機制，除了可達到感測器的節能的效果之外，感測器間更能不經溝通而確保彼此的會面機會。然而，感測器根據Quorum System執行感測任務的過程中，將存在會面閒置的問題。為了提升感測器的省電效率，本論文設計一電量平衡會面機制，除了可確保感測器間的會面機會外，更可根據感測器的剩餘電量與彼此間的會面方式(直接會面或間接會面)，平衡感測器間的剩餘電量，並改善傳統Quorum System的省電效益。根據實驗顯示，相較於傳統的Quorum System排程機制，本論文所提出的電量平衡會面機制，可有效減少感測器會面閒置時槽的數量，並藉由感測器剩餘電量的平衡，延長無線感測網路生命期。|
In recent years, Wireless sensor network technology has the advantage of low construction costs, therefore, is widely used in a variety of applications. Characteristics of sensor based on limited power, there are already many studies on how to extend wireless sensor network life cycle under the limited power. Including, the scheduling mechanism of sensors designed by the Quorum System, In addition to sensors energy saving effects can be achieved, between the sensors without communication still can make sure each other''s meetings. However, the sensor in accordance with Quorum System, which carries out sensing tasks in the process, there will be meeting problems. In order to improve the sensor''s power efficiency, in this paper, we design Energy Balanced Rendezvous Mechanisms for Wireless Sensor Networks. Apart from the meeting opportunity of between sensors making sure, also, according to the remaining energy and the way of meeting with each other (meet directly or indirectly). Mechanisms can balance the remaining energy of sensors, and improve energy efficiency of traditional Quorum System. An experiment shows that compared to the traditional Quorum System scheduling mechanism, we proposed Energy Balanced Rendezvous Mechanisms can effectively reduce the number of sensors of the idle time slots, and by the balance of remaining energy of sensors, to extend the lifetime of wireless sensor networks.
|Appears in Collections:||[資訊工程學系暨研究所] 學位論文|
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