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首页> 外文期刊>International Journal on Communications Antenna and Propagation >Performance Evaluation of the Objective Functions for Digital Media in Internet of Things (IoT)
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Performance Evaluation of the Objective Functions for Digital Media in Internet of Things (IoT)

机译：数字媒体在互联网上的客观函数评估（IOT）

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摘要

Internet of Thing (IoT) technology allows physical objects to connect to the Internet and it is based on Wireless Sensor Networks (WSNs) that represent an essential component for IoT. Moreover, the high rate of using the internet has enabled the spread of digital media such that the world is populated by digital media products, which are included in several industries such as healthcare and education. Moreover, it has emerged that IoT technologies enable the objects from exchanging digital data and communicating in an efficient way by using a routing protocol. Routing Protocol for Low-Power and Lossy Networks (RPL) is one of the most growing routing protocols in IoT. Specifically, it is a routing protocol for WSNs with low-power and lossy networks(LNNs), proposed by Internet Engineering Task Force (IETF) as a standard for routing packets in WSN to support IPv6 communication. Furthermore, RPL uses objective functions(OFs) to optimize the path from source to destination. Mainly, it has two objective functions that are: Objective Function Zero (OF0) and Minimum Rank with Hysteresis Objective Function (MRHOF). In this paper, the evaluation and the analysis of RPL's objective functions are presented in terms of both Power Consumption (PC) and Packet Delivery Ratio (PDR) in medium network sizes specifically when N=25, N=40, and N=50 using a set of network parameters, including Packet Reception Ratio (RX) and Transmission range (TX) under random and grid network topologies. The experimental results show that the two objective functions perform the same in term of PDR when RX=100% but in some cases MRHOF outperforms OF0 and gives a 1-5% higher PDR than OF0. However, on average OF0 consumes less power than MRHOF.
机译：物联网（IoT）技术允许物理对象连接到Internet，它基于表示IOT的基本组件的无线传感器网络（WSNS）。此外，使用互联网的高速率使数字媒体的传播使得世界被数字媒体产品填充，这些产品包括在诸如医疗保健和教育的几个行业中。此外，它已经出现了IoT技术使物体能够通过使用路由协议以有效的方式以有效的方式交换数字数据并以有效的方式进行通信。低功耗和有损网络（RPL）的路由协议是IOT中增长的路由协议中最大的协议之一。具体地，它是WSN的路由协议，其具有低功耗和有损网络（LNN），由因特网工程任务力（IETF）提出，作为用于支持IPv6通信的WSN中的路由分组的标准。此外，RPL使用目标函数（OFS）来优化从源到目的地的路径。主要是，它具有两个目标功能，即：目标函数零（OF0）和最小排名，滞后目标函数（MRHOF）。在本文中，根据N = 25，n = 40和n = 50，在媒体网络尺寸的功耗（PC）和分组传递比（PDR）方面提出了RPL的目标函数的评估和分析一组网络参数，包括随机和网格网络拓扑下的分组接收比（Rx）和传输范围（Tx）。实验结果表明，当Rx = 100％时，两个目标功能在PDR期间进行相同，但在某些情况下，MRHOF OFF0的效果，PDR比OF为1-5％。然而，平均每次消耗比MRHOF更低的功率。

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