An Empirical NB-IoT Power Consumption Model for Battery Lifetime Estimation

Mads Lauridsen, Rasmus Krigslund, Marek Rohr, Germán Madueno

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Abstract

The NB-IoT radio technology is a key enabler of the wireless Internet of Things. A competitive parameter is device battery lifetime, in addition to wide-area coverage and low device cost. In this paper, we present the first publicly available empirical power consumption measurements on two NB-IoT devices. The target is to provide a power consumption model for Internet of Things battery lifetime estimation. The measurement results show that the two devices consume 710-840 mW when transmitting at 23 dBm, due to a power amplifier efficiency of about 37 %. Receiving control and data channels require 210- 240 mW, while the Discontinuous Reception and Power Save Mode sleep states consume 21-23 mW and 14-35 uW, respectively. In general, the power consumption levels are higher than the 3GPP estimates, and we thus estimate the battery lifetime is 21-85 % shorter, with these first generation devices.

OriginalsprogEngelsk
Titel2018 IEEE 87th Vehicular Technology Conference, VTC Spring 2018 - Proceedings
Antal sider5
ForlagIEEE
Publikationsdatojul. 2018
Sider1-5
ISBN (Trykt)978-1-5386-6356-1
ISBN (Elektronisk)978-1-5386-6355-4
DOI
StatusUdgivet - jul. 2018
BegivenhedIEEE Vehicular Technology Conference Spring 2018 - Porto, Portugal
Varighed: 3 jun. 20186 jun. 2018
http://www.ieeevtc.org/vtc2018spring/

Konference

KonferenceIEEE Vehicular Technology Conference Spring 2018
Land/OmrådePortugal
ByPorto
Periode03/06/201806/06/2018
Internetadresse
NavnI E E E V T S Vehicular Technology Conference. Proceedings
ISSN1550-2252

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