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Experimental Evaluation of 6BLEMesh: IPv6-Based BLE Mesh Networks

Authors
  • Darroudi, Seyed Mahdi
  • Gomez, Carles
Type
Published Article
Journal
Sensors
Publisher
MDPI AG
Publication Date
Aug 17, 2020
Volume
20
Issue
16
Identifiers
DOI: 10.3390/s20164623
PMID: 32824494
PMCID: PMC7472237
Source
PubMed Central
Keywords
License
Green

Abstract

Bluetooth Low Energy (BLE) has become a major wireless technology for the Internet of Things (IoT). Recent efforts of academia, industry and standards development organizations have focused on creating BLE mesh network solutions. 6BLEMesh is a specification being developed by the IETF that defines an IPv6-oriented approach for BLE mesh networking. In this paper, we perform an experimental evaluation of 6BLEMesh, based on a real implementation. We evaluate latency, round trip time (RTT) and energy consumption. For the latter, we model the device current consumption, we determine the energy efficiency of communication, and we obtain the theoretical device lifetime (for battery-operated devices), for three different hardware platforms. Under the assumptions in our study (including a simple 235 mAh battery, and periodic data transmission), the maximum, asymptotic, device lifetime is 573 days, whereas battery-operated router devices can also achieve 3-digit lifetimes (in days) in many scenarios. Our results also illustrate the impact on performance of BLE-level and application-level parameter settings, adaptation layer mechanisms such as IPv6 header compression, and device hardware characteristics.

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