On performance evaluation of BLE 5 in indoor environment: An experimental study

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

Internet of Things (IoT) has revolutionized the concept of connectivity from only humans to almost everything capable of being connected. Wireless communication technologies are considered as the vital building blocks of IoT. Bluetooth Low Energy (BLE) with the highest penetration rate in consumer products has an important role in enabling IoT applications. BLE version 5 has recently been developed to meet the versatile requirements of IoT use cases. In this paper, we investigate the practical performance of BLE 5 in indoor office environment, and study the performance of its novel features. Our evaluation metrics in this study are throughput and Received Signal Strength Indicator (RSSI). In this study, BLE 5 measurements are conducted by using nRF52840 chip from Nordic Semiconductor. The acquired measurement results indicate that new Physical Layers (PHYs) of BLE 5 provide extended coverage and improves the throughput in indoor scenarios. The 2 Mbps uncoded PHY significantly improves the throughput in good RSSI zones. However, the throughput drastically drops in case of zones with moderate to weak RSSI. In particular, the feature of the coded physical layer helps extending the Bluetooth coverage, especially in Non-Line of Sight (NLOS) scenarios.

Original languageEnglish
Title of host publicationProceedings of the IEEE 31th Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2020
PublisherIEEE
Number of pages5
ISBN (Electronic)9781728144900
DOIs
Publication statusPublished - Aug 2020
MoE publication typeA4 Article in a conference publication
EventIEEE International Symposium on Personal, Indoor, and Mobile Radio Communications - Virtual, Online
Duration: 31 Aug 20203 Sep 2020

Publication series

Name IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops
PublisherIEEE
ISSN (Print)2166-9570
ISSN (Electronic)2166-9589

Conference

ConferenceIEEE International Symposium on Personal, Indoor, and Mobile Radio Communications
Abbreviated titlePIMRC
CityVirtual, Online
Period31/08/202003/09/2020
OtherVirtual conference

Keywords

  • Bluetooth Low Energy 5 (BLE 5)
  • Experimental evaluation
  • Indoor environment
  • Internet of Things (IoT)
  • Short range radio technology

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