A new objective function for RPL routing protocol in IoT to increase network lifetime

被引：0

作者：

Moradi S. ^{[1
]}

Javidan R. ^{[1
]}

机构：

[1] Computer Engineering and Information Technology Department, Shiraz University of Technology, Shiraz, Fars

来源：

International Journal of Wireless and Mobile Computing | 2020年 / 19卷 / 01期

关键词：

Energy balancing; IoT; Network lifetime; NOCS; Number of children and siblings; Objective function; RPL;

D O I：

10.1504/IJWMC.2020.109270

中图分类号：

学科分类号：

摘要：

Internet of Things (IoT) uses Routing Protocol of Low Power and Lossy Networks (RPL) for routing task with an Objective Function (OF) which determines next hop of nodes with calculation of path cost. However, energy imbalance between nodes is considered as one of the main problems in RPL and causes increasing in energy consumption. In this paper, we design a new OF called Time OF (T-OF) to achieve balance between energy of the nodes to improve network lifetime. A new varying weighted combination of energy, Expected Transmission Count (ETX) and Number of Children and Siblings (NOCS) metrics is used. The proposed T-OF has been compared to Minimum Rank with Hysteresis Objective Function (MRHOF), Objective Function Zero (OF0), and Energy Objective Function (EN-OF). Experimental results show that the proposed OF improves network lifetime and energy balancing significantly owing to lower delay, 11.35 seconds and Packet Delivery Ratio (PDR) of 95%. © 2020 Inderscience Enterprises Ltd.. All rights reserved.

引用

页码：73 / 79

页数：6

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