Funding for this research was provided by:
IDEAL-IoT (Intelligent DEnse And Longe range IoT networks) SBO project, funded by the FWO-V (S004017N)
Article History
Received: 6 December 2018
Accepted: 24 June 2019
First Online: 2 September 2019
Competing interests
: The authors declare that they have no competing interests.