Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-3163
Title: Comparing the energy requirements of bluetooth smart devices (November 2018)
Authors : Brütsch, Manuel
Brülisauer, Cornel
Widmer, Lukas
Kräuchi, Raphael
Truninger, Dominique
Meli, Marcel
et. al : No
Published in : Wireless Congress Proceedings
Conference details: Wireless Congress 2018, Munich, 21-22 March 2018
Publisher / Ed. Institution : WEKA
Issue Date: Nov-2018
License (according to publishing contract) : Licence according to publishing contract
Type of review: Not specified
Language : English
Subjects : Bluetooth smart; Wireless; Low power; Energy harvesting
Subject (DDC) : 621.3: Electrical engineering and electronics
Abstract: A very important aspect of low-power system design is the proper choice of components. In the case of Wireless Embedded Systems that use Bluetooth Smart, one should make sure that the consumption of the load fits the energy provided. This is especially needed when battery life is an important feature of a product or when energy harvesting is used to power the device. There are several Bluetooth smart solutions on the market, all claiming to be low-power. Studying the datasheets is time consuming and only delivers partial information, sometimes difficult to interpret and to use for comparison or design. We have analysed the energy requirements of some Bluetooth Smart devices that are on the market, particularly paying attention to recent SoCs (year 2018). We present results of the measurements of important parameters that need to be considered when designing for low-power. Those results are deduced from dynamic power profiles of basic use cases needed to build more sophisticated applications. We explain the methodology behind our measurements and how the results can be used to compare devices and to predict energy requirements. The work was carried out in 2018. It is the third time we have done the comparison, at interval of about 2 years.
Departement: School of Engineering
Organisational Unit: Institute of Embedded Systems (InES)
Publication type: Conference paper
DOI : 10.21256/zhaw-3163
URI: https://digitalcollection.zhaw.ch/handle/11475/17584
Appears in Collections:Publikationen School of Engineering

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