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| 研究生： |
陳政宗 Cheng-Tsung Chen |
|---|---|
| 論文名稱： |
基於資訊及地域鄰近性與弱點保護機制用以延伸無線感測網路有效性之研究 Study on Extending WSN Lifetime Based on Data/Location Similarity and Weakest Node Protection |
| 指導教授： |
呂政修
Jenq-Shiou Leu |
| 口試委員: |
石維寬
Wei-Kuan Shih 陳省隆 Hsing-Lung Chen 鄭瑞光 Ray-Guang Cheng |
| 學位類別： |
碩士 Master |
| 系所名稱： |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
| 論文出版年： | 2012 |
| 畢業學年度： | 100 |
| 語文別： | 中文 |
| 論文頁數： | 51 |
| 中文關鍵詞： | 無線感測網路 、壽命時間 、近似資料收集 、能量平衡 、虛弱節點 |
| 外文關鍵詞： | Wireless Sensor Networks, Lifetime, Approximate Data Collection, Weakest Nodes, Energy Balancing |
| 相關次數： | 點閱：166 下載：1 |
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在無線感測網路中，感測器的電力供應非常有限，一般來說通常是由一般電池或者是太陽能電池供電，在這樣的能源限制下，感測器能夠運作的時間也相對受限，一旦網路中有感測器能量耗盡，則會導致不完整的網路感測覆蓋率。因此，網路的生命週期在第一個節點能源耗盡的情況即宣告終止。而在我們的研究中，利用環境讀數的相似性以及地域的鄰近性來做分群的依據，同時，我們提出的方法能夠有效的保護網路中虛弱的節點，而保護虛弱節點的同時也平衡網路中節點的能量消耗，使得整體網路的存活時間得以延長，最後的實驗則驗證了我們方法的成效。
The energy on each node in the wireless sensor network (WSN) is mainly consumed by sensing the environment as well as conveying or relaying the sensed data to sink. Once the resident energy in some sensor node is drained, it may cause an incomplete sensing coverage. The network lifetime is therefore assumed as the duration start from the moment when the network starts to work to the moment when the first node dies out of power. In this paper, the proposed scheme clusters nodes not only considering the similarity of reading data on each node but the similarity of node location. Meanwhile, by referring to the weakness in the resident energy and coverage of each node, the proposed scheme protects the weakest nodes first to balance the energy consumed on each node for extending the network lifetime. The evaluation result validates our proposed concept
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