Zhang, Q; Zhang, Q; Zhang, W; Shen, F; Loh, T H; Qin, F (2018) Understanding the Temporal Fading in Wireless Industrial Networks: Measurements and Analyses. In: 2018 10th International Conference on Wireless Communications and Signal Processing (WCSP), 18-20 October 2018, Hangzhou, China.

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Abstract

In recent years, wireless networks attract increasing interests from a variety of industry communities. However, the wide deployments and applications of wireless industrial networks still face the challenge of unreliable service due to severe multipath fading in industrial environments. Such fading effects are not only caused by the massive metal surfaces existed within the industrial environment but also, more significantly, the moving objects including operators and logistical vehicles. As a result, the mature analytical framework of mobile fading channel may not be appropriate for the wireless industrial networks, especially the majority fixed wireless links. In this paper, we propose a three-layer impulse response framework to characterize the temporal fading effects of the fixed wireless links in industrial environments, which, to our best knowledge, first reveals the essential correlated temporal variation of both the specular and scattered power. Extensive measurements and analyses from field experiments validate the proposed qualitative framework, which will be applicable to simulate the industrial multipath fading characteristics and to derive accurate link quality metrics to support reliable wireless network service in various industrial applications.

Item Type:	Conference or Workshop Item (Paper)
Keywords:	Multipath fading, wireless industrial network, channel measurement, impulse response, Rician distribution
Subjects:	Electromagnetics > Wireless Communications
Divisions:	Engineering, Materials & Electrical Science
Identification number/DOI:	10.1109/WCSP.2018.8555681
Last Modified:	14 Feb 2019 15:30
URI:	https://eprintspublications.npl.co.uk/id/eprint/8287