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

저전력 블루투스 네트워크에서 장치 탐색을 위한 Advertising 횟수에 관한 분석

  • Kim, Myoung Jin (Dept. of Information and Communications Eng., Hankuk University of Foreign Studies)
  • 김명진 (한국외국어대학교 정보통신공학과)
  • Received : 2016.04.14
  • Accepted : 2016.07.25
  • Published : 2016.08.25

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.

Acknowledgement

Supported by : 한국외국어대학교

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