Mobile charger scheduling for maximizing event detection quality in WSNs

淡江大學機構典藏 > 工學院 > 資訊工程學系暨研究所 > 學位論文 > Item 987654321/102584

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题名:	Mobile charger scheduling for maximizing event detection quality in WSNs
其它题名:	無線感測網路中最大化事件偵測效能之行動充電排程技術
作者:	陳建成;Chen, Jian-Cheng
贡献者:	淡江大學資訊工程學系碩士班張志勇;Chang, Chih-Yung
关键词:	資料傳輸延遲;事件捕捉;能量分配;行動充電車;無線感測網路;data reporting delay;Event Detection;energy distribution;mobile charger;Wireless sensor network
日期:	2014
上传时间:	2015-05-04 09:59:27 (UTC+8)
摘要:	無線感測網路(Wireless Sensor Networks, WSNs)是由眾多低成本且體積小的感測器(Sensor)所組成，應用範圍很廣，包括農業動植物監控、醫療與健康照護、智慧生活、軍事用途、綠色節能等。大多數的感測器由電池供電，且更換電池不易，致使感測器電量一旦耗盡，則視同死亡。因此，如何延續無線感測器網路的生命期，一直是學者們所共同努力的目標。近年來，隨著無線充電技術的逐漸成熟，行動充電車可近距離替感測器進行無線充電。本研究擬針對規則佈建的無線感測器網路，探討充電車對感測器的充電策略。本研究將考慮感測器在感測任務及傳輸任務間的電量分配比例、行動充電車的行進方向與移動速率，以期達到較佳的事件捕捉率。最後，透過效能評估，本研究將歸納較好的充電參數設定值，諸如：感測器在感測任務及傳輸任務間的電量分配比例、行動充電車的行進方向與移動速率等，已達到較好的網路監控效能。 Recently, the emerging wireless charging technology has received much attention in the wireless sensor network (WSN) because it achieves the perpetual operation of WSNs and forms the wireless rechargeable sensor network (WRSN). In this thesis, we consider the WRSNs where plenty of static sensors are regularly deployed to monitor the suspicious events. Mobile chargers aim to replenish the energy of sensors and collect their sensing data in an efficient way such that high monitoring quality and small data reporting delay can be achieved. This thesis proposes four charging strategies for mobile chargers and then conducts analyses for the event detection quality of each strategy. Based on the performance evaluations, this thesis generalizes better parameter settings, including energy distribution between tasks of sensing and transmitting, and movement speed of mobile chargers, to improve the event detection quality.
显示于类别:	[資訊工程學系暨研究所] 學位論文

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