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Sensors 2017, 17(5), 997; doi:10.3390/s17050997

Bluetooth Low Power Modes Applied to the Data Transportation Network in Home Automation Systems

Electronic Technology Department, University of the Basque Country, Bilbao 48980, Spain
Author to whom correspondence should be addressed.
Academic Editors: Subhas Chandra Mukhopadhyay, Hemant Ghayvat and Nagender Kumar Suryadevara
Received: 9 March 2017 / Revised: 18 April 2017 / Accepted: 21 April 2017 / Published: 30 April 2017
(This article belongs to the Special Issue Sensors for Home Automation and Security)
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Even though home automation is a well-known research and development area, recent technological improvements in different areas such as context recognition, sensing, wireless communications or embedded systems have boosted wireless smart homes. This paper focuses on some of those areas related to home automation. The paper draws attention to wireless communications issues on embedded systems. Specifically, the paper discusses the multi-hop networking together with Bluetooth technology and latency, as a quality of service (QoS) metric. Bluetooth is a worldwide standard that provides low power multi-hop networking. It is a radio license free technology and establishes point-to-point and point-to-multipoint links, known as piconets, or multi-hop networks, known as scatternets. This way, many Bluetooth nodes can be interconnected to deploy ambient intelligent networks. This paper introduces the research on multi-hop latency done with park and sniff low power modes of Bluetooth over the test platform developed. Besides, an empirical model is obtained to calculate the latency of Bluetooth multi-hop communications over asynchronous links when links in scatternets are always in sniff or the park mode. Smart home devices and networks designers would take advantage of the models and the estimation of the delay they provide in communications along Bluetooth multi-hop networks. View Full-Text
Keywords: ACL; Bluetooth; Delay; Empirical model; Home Automation; Latency; Multi-hop; Scatternet ACL; Bluetooth; Delay; Empirical model; Home Automation; Latency; Multi-hop; Scatternet

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Etxaniz, J.; Aranguren, G. Bluetooth Low Power Modes Applied to the Data Transportation Network in Home Automation Systems. Sensors 2017, 17, 997.

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