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Probabilistic data collection protocols for energy harvesting wireless sensor networks

机译:能量收集无线传感器网络的概率数据收集协议

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Energy harvesting from ambient energy sources including solar and vibration has been studied as a candidate for powering next generation wireless sensor networks. However, energy harvesting is unstable to supply a sensor node with energy, and a node cannot know whether its neighbouring nodes have enough energy to receive a data packet. In this paper, we propose two data collection protocols for energy harvesting wireless sensor networks called the Probabilistic ReTransmission protocol (PRT) and PRT with Collision Consideration (PRT-CC). The idea is to derive the appropriate number of times to retransmit a packet based on the reception probability and the active intervals computed by the receivers themselves while, in PRT-CC, each node computes the reception probability with packet collision consideration. The performance evaluation shows that the proposed protocols are able to achieve higher delivery ratio than the previous work, namely, Geographic Routing with Duplicate Detection (GR-DD) and GR-DD with Retransmission.
机译:已经研究了从包括太阳能和振动在内的环境能源中收集能量的方法,可以为下一代无线传感器网络供电。但是,能量收集不稳定,无法为传感器节点提供能量,并且节点无法知道其相邻节点是否具有足够的能量来接收数据包。在本文中,我们提出了两种用于能量收集无线传感器网络的数据收集协议,分别称为概率重传协议(PRT)和带碰撞考虑的PRT(PRT-CC)。这个想法是基于接收概率和接收器自身计算的活动间隔来得出适当的次数,以重发数据包,而在PRT-CC中,每个节点都在考虑数据包冲突的情况下计算接收概率。性能评估表明,所提出的协议能够实现比以前的工作更高的传输率,即具有重复检测的地理路由(GR-DD)和具有重传的GR-DD。

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