A heterogeneous WiMAX-WLAN network for AMI communications in the smart grid

Reduan H. Khan, J. Khan
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引用次数: 33

Abstract

The unique characteristics of advanced metering infrastructure (AMI) communications such as large number of devices, small data burst transmission, high reliability and variable propagation conditions require a robust communication network to serve them in an efficient and scalable manner. Being the two promising technologies of the next generation wireless networks, the synergic operation of WiMAX and WLAN can significantly improve the cost and efficiency of an AMI network by extending transmission range, improving link quality and allowing flexible data aggregation to reduce signalling and protocol overheads. In this paper, we provide some of our initial studies on a WiMAX-WLAN heterogeneous network (Hetnet) architecture for AMI communications in the smart grid. Using a basic numerical analysis and discrete event simulation models based on OPNET, we compare the behaviour and performance of a WiMAX-WLAN Hetnet with a standalone WiMAX network. The results indicate that the Hetnet provides a significant performance edge over the standalone network in terms of capacity, coverage and latency.
智能电网中AMI通信的异构WiMAX-WLAN网络
先进计量基础设施(AMI)通信具有设备数量多、数据突发传输小、可靠性高、传播条件多变等特点,需要一个强大的通信网络以高效、可扩展的方式为其服务。WiMAX和WLAN作为下一代无线网络的两大发展前景技术,通过扩展传输范围、提高链路质量和实现灵活的数据聚合,可以显著提高AMI网络的成本和效率,从而降低信令和协议开销。在本文中,我们提供了用于智能电网AMI通信的WiMAX-WLAN异构网络(Hetnet)体系结构的一些初步研究。使用基于OPNET的基本数值分析和离散事件仿真模型,我们比较了WiMAX- wlan Hetnet与独立WiMAX网络的行为和性能。结果表明,与独立网络相比,Hetnet在容量、覆盖范围和延迟方面提供了显著的性能优势。
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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