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Sensors 2015, 15(1), 59-78; doi:10.3390/s150100059

Analysis of Latency Performance of Bluetooth Low Energy (BLE) Networks

1
School of Computer Science and Engineering, Kyungpook National University, Daegu 702-701, Korea
2
Software R&D Center, Samsung Electronics Co., Ltd., Suwon 443-742, Korea
*
Author to whom correspondence should be addressed.
Received: 17 October 2014 / Accepted: 2 December 2014 / Published: 23 December 2014
(This article belongs to the Special Issue Wireless Sensor Networks and the Internet of Things)
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Abstract

Bluetooth Low Energy (BLE) is a short-range wireless communication technology aiming at low-cost and low-power communication. The performance evaluation of classical Bluetooth device discovery have been intensively studied using analytical modeling and simulative methods, but these techniques are not applicable to BLE, since BLE has a fundamental change in the design of the discovery mechanism, including the usage of three advertising channels. Recently, there several works have analyzed the topic of BLE device discovery, but these studies are still far from thorough. It is thus necessary to develop a new, accurate model for the BLE discovery process. In particular, the wide range settings of the parameters introduce lots of potential for BLE devices to customize their discovery performance. This motivates our study of modeling the BLE discovery process and performing intensive simulation. This paper is focused on building an analytical model to investigate the discovery probability, as well as the expected discovery latency, which are then validated via extensive experiments. Our analysis considers both continuous and discontinuous scanning modes. We analyze the sensitivity of these performance metrics to parameter settings to quantitatively examine to what extent parameters influence the performance metric of the discovery processes. View Full-Text
Keywords: Internet of Things; Bluetooth 4.0; Bluetooth low energy; discovery Internet of Things; Bluetooth 4.0; Bluetooth low energy; discovery
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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MDPI and ACS Style

Cho, K.; Park, W.; Hong, M.; Park, G.; Cho, W.; Seo, J.; Han, K. Analysis of Latency Performance of Bluetooth Low Energy (BLE) Networks. Sensors 2015, 15, 59-78.

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