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首页> 外文会议>International conference on future information and communication engineering >Performance Analysis of Routing Algorithm Based on Link Quality in Wireless Sensor Networks
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Performance Analysis of Routing Algorithm Based on Link Quality in Wireless Sensor Networks

机译：无线传感器网络中基于链路质量的路由算法性能分析

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摘要

Wireless sensor network (WSN) is used for an environment that enables an user to collect information in its surrounding. But this system has a disad-vantage that a node usually requires a large quantity of energy consumption, since the collected information is transmitted to user via wireless link. For such a reason, it is required that a new scheme should be implemented using link quality indication (LQI) and hop count scheme to allow the user to estimate the quality of wireless link in order to employ highly reliable and energy efficient link system. The purpose of this work lies within a pursuit of standard deviation routing algorithm that selects a path with small LQI standard deviation value after calculating individual LQI value of the path in order to create energy-saving routing environment. Then, this new scheme we are going to propose in this work is to be compared at RF output level of -25 , -10, -7 dBm with conventional ones such as minimum-LQI, hop-LQI weight, cumulate-LQI. According to the result of research, the algorithm proposed in this work showed more superior than the conventional algorithms did in terms of the number of flowing-through nodes and the rate of retransmission. Therefore, it is concluded that the efficient reduction of energy consumption becomes possible if LQI standard deviation routing algorithm is introduced to wireless sensor network system with limited quantity of energy consumption allowed.
机译：无线传感器网络（WSN）用于使用户能够在其周围收集信息的环境。但是该系统的缺点是节点通常需要大量的能量消耗，因为收集的信息是通过无线链路发送给用户的。出于这样的原因，需要采用链路质量指示（LQI）和跳数方案来实施新方案，以允许用户估计无线链路的质量，以便采用高度可靠且节能的链路系统。这项工作的目的在于追求标准偏差路由算法，该算法在计算路径的各个LQI值后选择具有较小LQI标准偏差值的路径，以创建节能的路由环境。然后，我们将在这项工作中提出的这一新方案将在-25，-10，-7 dBm的RF输出水平下与常规方法进行比较，例如最小LQI，跳跃LQI权重，累积LQI。根据研究结果，本文提出的算法在流经节点数和重传率方面都比传统算法优越。因此，可以得出结论，如果将LQI标准偏差路由算法引入到允许的能耗量有限的无线传感器网络系统中，则可以有效地降低能耗。

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