無線充電感測網路下設計一權重式充電機制

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Title:	無線充電感測網路下設計一權重式充電機制
Other Titles:	A weight-based energy recharging scheme for wireless rechargeable sensor networks
Authors:	陳傳中;Chen, Chuan-Chung
Contributors:	淡江大學資訊工程學系碩士班陳以錚;Chen, Yi-Cheng
Keywords:	無線充電感測網路;行動能量補充;無線充電;覆蓋空洞;權重值;Wireless Rechargeable Sensor Networks;Mobile energy replenishing;Wireless recharging;Coverage Hole;Priority
Date:	2016
Issue Date:	2017-08-24 23:50:56 (UTC+8)
Abstract:	無線充電感測網路近幾年來被引起廣大的注意，大部分的文獻都是利用行動充電車來幫Sensor充電，由於行動充電車會受限於搭載的能量限制，沒有辦法確保整個場景中的Sensor都可以被充到電，所以當場景中Sensor死亡時，網路場景容易產生覆蓋空洞，導致原本無線感測網路功能受到限制。因此本篇論文設計一個考量權重值的充電方法，找出在網路場景中權重值高的Sensor，確保在網路場景中可能會造成覆蓋空洞的Sensor被充到電，讓整個網路的生命週期可以有效的被延續。我們另外設計了一個行動充電車的行走路徑方法，當權重值找出之後利用我們設計的移動路徑，行動充電車依照權重值的高低依序幫Sensor充電。實驗模擬部份我們根據網路架構的假設模擬出area coverage的網路情況，透過模擬的網路情況找出每個Sensor的覆蓋情形，利用我們設計的方法算出每一個Sensor的權重值，我們就可以找到權重值由高到低的Sensor排序，幫權重值高的Sensor充電降低網路死亡的機會。 Wireless rechargeable sensor networks are caused to the majority of the attention in recent years, most papers used mobile rechargeable vehicle (MRV) to recharge sensors. Because the MRV energy capacity is limited, there is no way to ensure that all Sensors can be recharged in the field, so when the sensor is dead, the network is easy to have coverage holes, leading to the original wireless sensor network functions are restricted. Therefore, we design a weight-based rechargeable scheme to find the high weights sensors in network and ensures the sensors can be recharged, so that the network life cycle can effectively continue. We also design a traveling path method for MRV, MRV helps sensor recharging according to the weight values sequentially. In experimental simulation we based on the assumption of network architecture to simulate area coverage for network, and find out the situation of each Sensor coverage through the simulated network conditions, we use the method to calculate the weight of sensor, we can find the high weight of Sensor. MRV recharges high weight Sensorsto decrease network’s the opportunity of dead.
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Thesis

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