Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Performance Evaluation of RPL Objective Function: A Case of Contiki Operation System

Version 1 : Received: 21 December 2020 / Approved: 24 December 2020 / Online: 24 December 2020 (11:25:19 CET)
(This article belongs to the Research Topic EUSAR 2020—Preprints)

How to cite: Onwuegbuzie, I.; Ajibade, S.; Fele, T.; Akinwamide, S. Performance Evaluation of RPL Objective Function: A Case of Contiki Operation System. Preprints 2020, 2020120615 (doi: 10.20944/preprints202012.0615.v1). Onwuegbuzie, I.; Ajibade, S.; Fele, T.; Akinwamide, S. Performance Evaluation of RPL Objective Function: A Case of Contiki Operation System. Preprints 2020, 2020120615 (doi: 10.20944/preprints202012.0615.v1).

Abstract

Wireless Sensor Networks (WSN) is the network of the resource-constrained network which forms the foundation of the Internet of Things (IoT). The Routing Protocol for Low-power and Lossy Networks (RPL) is responsible for generating and managing data routing paths. Nodes implementing RPL uses the mechanics of Objective Function (OF) to select the preferred next-hop node – parent node, and optimal routing path to the destination node. If routing decisions are not efficiently made, this results in increased collision domain, leading to packet losses and packet retransmission which impairs the network operational lifetime. In this study, we present the Contiki Operating System (OS), a state-of-the-art OS for IoTs, ContikiRPL; Contiki variant of RPL. We investigated the performance of RPL with respect to its two OFs; Objective Function Zero (OF0) and the Minimum Rank with Hysteresis Objective Function (MRHOF). The performance of these OFs was evaluated on the following metrics; Packet Delivery Ratio (PDR), Power consumption, and network latency. The result shows that MRHOF outperformed OF0 on all metrics with an overall average PDR of 91.5%, a latency of 44ms, and power consumption of 1.72mW across all nodes. This results in optimal network performance with improved network operational lifetime.

Subject Areas

RPL; Contiki Operating System; Objective Function; Wireless Sensor Networks; Routing Metrics

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