A Novel Routing Method with Load-Balancing in Wi-SUN FAN Network

2021 IEEE 7th World Forum on Internet of Things (WF-IoT) Pub Date : 2021-06-14 DOI:10.1109/WF-IoT51360.2021.9595050

Rei Hirakawa, Ryota Okumura, K. Mizutani, H. Harada

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引用次数: 6

Abstract

This paper proposes a novel routing method considering load balancing to improve transmission characteristics of a large-scale Wi-SUN field area network (Wi-SUN FAN) based on IEEE 802.15.4. Wi-SUN FAN is a wireless communication standard that enables the interconnection of many Internet-of-Things (IoT) devices outdoors. Wi-SUN FAN prevents packet collisions by frequency hopping in the media access control (MAC) layer. Besides, Wi-SUN FAN constructs multi-hop networks autonomously using Internet protocol version 6 routing protocol for low-power and lossy networks (RPL) at the network layer. In RPL, each node determines its parent node based on the quality of communication. Therefore, many nodes are likely to choose the same parent node with good radio reachability, resulting in many packets being sent to the parent node. The heavy load for the specific node makes frequency hopping not work effectively, and transmission characteristics deteriorate. The proposed routing method with a load-balancing algorithm eliminates the load concentration and improves the average transmission success rate by approximately 9.4% on the specific nodes.

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Wi-SUN FAN网络负载均衡路由新方法

为了提高基于IEEE 802.15.4标准的大规模Wi-SUN场域网络(Wi-SUN FAN)的传输特性，提出了一种考虑负载均衡的路由方法。Wi-SUN FAN是一种无线通信标准，可以实现许多物联网(IoT)设备在户外的互联。Wi-SUN FAN通过在媒体访问控制(MAC)层跳频防止数据包碰撞。此外，Wi-SUN FAN在网络层使用Internet protocol version 6 routing protocol for low-power and lossy networks (RPL)，自主构建多跳网络。在RPL中，每个节点根据通信质量确定其父节点。因此，许多节点可能会选择具有良好无线电可达性的同一父节点，从而导致许多数据包被发送到父节点。特定节点负载过大，导致跳频不能有效工作，传输特性变差。采用负载均衡算法的路由方法消除了负载集中，在特定节点上的平均传输成功率提高了约9.4%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 IEEE 7th World Forum on Internet of Things (WF-IoT)

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