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一個可以延長無線感測器網路存活時間的適應性節能路由協定

An Adaptive Routing Protocol Prolonging Lifetime of Wireless Sensor Network

摘要


本篇論文提出一個可以延長無線感測器網路生命週期的適應性節能路由協定(Adaptive Energy-Efficient Routing protocol, AEER),主要目的是為了使無線感測器網路(wireless sensor network, WSN)能有更佳的能源、使用效率以延長網路的存活時間。利用所提出的群首節點選擇機制,使用者可依據其應用特性調整目標函式中的權重值,選擇其網路的生命型態為延長網路第一顆節點的死亡時間亦或是延長整體網路的死亡時間。因此本演算法可以提供較有效率的能量使用方式,使得網路操作有較高的適應性。根據模擬結果,AEER協定平均每封包的能量消耗較PEGASIS協定減少3%,較LEACH減少50%,証明AEER協定具有更佳的節能效果。

並列摘要


In this paper, an adaptive energy-efficient routing protocol (AEER) for wireless sensor network (WSN) is proposed for increasing the energy-saving efficiency and prolonging the WSN life time. Using the cluster head selection mechanism proposed in this paper, users could adjust the weights in objective function according the application requirements, prolonging the time of first node die or prolonging the life time of entire network. According to the simulation results, AEER routing protocol gains three percent reduction at average energy consumption per packet as comparing to the PEGASIS routing protocol and fifty percent to the LEACH routing protocol. Therefore, the proposed method provides high efficiency of power consumption and makes the network operation more flexible.

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