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A Bluetooth Radio Energy Consumption Model for Low Duty-Cycle Applications


Research group:

Publication Type:

Journal article


IEEE Transactions on Instrumentation and Measurement


IEEE Instrumentation and Measurement Society


This paper presents a realistic model of the radio energy consumption for Bluetooth-equipped sensor nodes used in a low-duty-cycle network. The model is based on empirical energy consumption measurements of Bluetooth modules. This model will give users the possibility to optimize their radio communication with respect to energy consumption while sustaining the data rate. This paper shows that transmission power cannot always be directly related to energy consumption. Measurements indicate that, when the transmission power ranges from $-$5 to $+$10 dBm, the difference in consumed energy can be detected for each transmission peak in the sniff peak. However, the change is negligible for the overall energy consumption. The nonlinear behavior of the idle state for both master and slave when increasing the interval and number of attempts is presented. The energy consumption for a master node is in direct relation to the number of slaves and will increase by approximately 50% of the consumption of one slave per additional slave, regardless of the radio setting.


author = {Martin Ekstr{\"o}m and Marcus Bergblomma and Maria Lind{\'e}n and Mats Bj{\"o}rkman and Mikael Ekstr{\"o}m},
title = {A Bluetooth Radio Energy Consumption Model for Low Duty-Cycle Applications},
note = {{\&}arnumber=6094208},
volume = {PP},
number = {99},
pages = {1--9},
month = {December},
year = {2011},
journal = {IEEE Transactions on Instrumentation and Measurement},
publisher = { IEEE Instrumentation and Measurement Society },
url = {}