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http://dx.doi.org/10.5573/ieie.2016.53.8.03

An Analysis on the Number of Advertisements for Device Discovery in the Bluetooth Low Energy Network  

Kim, Myoung Jin (Dept. of Information and Communications Eng., Hankuk University of Foreign Studies)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.53, no.8, 2016 , pp. 3-12 More about this Journal
Abstract
Bluetooth Low Energy (BLE) protocol has attracted attention as a promising technology for low data throughput and low energy wireless sensor networks. Fast device discovery is very important in a BLE based wireless network. It is necessary to configure the network to work with minimized energy consumption because the BLE network nodes are expected to operate a long time typically on a coin cell battery. However, since it is difficult to obtain low energy and low latency at the same time, the BLE standard introduces wide range setting of parameters related to device discovery process and let the network operators to set up parameter values for the application. Therefore, it is necessary to analyze the performance of device discovery according to the related parameter values prior to BLE network operation. In this paper we analyze the expected value and the cumulative distribution function of the number of advertisements for device discovery in the BLE network. In addition, we propose a scheme for controlling the interval between advertising events that can improve the performance of device discovery without increasing energy consumption.
Keywords
Bluetooth Low Energy(BLE); device discovery; advertising; scanning; wireless sensor network;
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