Power consumption optimization of a wireless temperature sensor node using unidirectional communication

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Abstract

Wireless sensor networks (WSNs) are gaining increasing popularity in industry. Success of these systems depends on two very important factors: power efficiency of the sensor nodes and communication reliability. In this paper, we investigate the effect of using unidirectional (broadcasting) communication on the power consumption and reliability of a wireless sensor node. A high-precision wireless temperature sensor reported in an earlier publication is employed as a case study. First, we calculate the energy required to transmit and receive a message using Bluetooth low energy (BLE) in the physical layer without taking any reliability precautions. Then, we estimate the amount of energy required for the reliable transmission of a BLE packet using the BLE acknowledgment method and forward error correction (FEC) in the application layer. Through this paper, we show that the power consumption of a wireless temperature sensor can be reduced using broadcast communication and simultaneous forward error correction while providing enough reliability in short ranges.

Original languageEnglish
Title of host publicationProceedings - 2019 IEEE 17th International Conference on Industrial Informatics, INDIN 2019
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages112-117
Number of pages6
Volume2019-July
ISBN (Electronic)9781728129273
DOIs
Publication statusPublished - 1 Jul 2019
Event17th IEEE International Conference on Industrial Informatics, INDIN 2019 - Helsinki-Espoo, Finland
Duration: 22 Jul 201925 Jul 2019

Conference

Conference17th IEEE International Conference on Industrial Informatics, INDIN 2019
CountryFinland
CityHelsinki-Espoo
Period22/07/1925/07/19

Keywords

  • Broadcasting communication
  • FEC
  • Forward Error Correction
  • Industrial Wireless Sensor Network
  • Unidirectional

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