%% You should probably cite draft-zuniga-lpwan-sigfox-system-description-04 instead of this revision.
@techreport{zuniga-lpwan-sigfox-system-description-03,
    number =    {draft-zuniga-lpwan-sigfox-system-description-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zuniga-lpwan-sigfox-system-description/03/},
    author =    {Juan-Carlos Zúñiga and Benoît PONSARD},
    title =     {{SIGFOX System Description}},
    pagetotal = 10,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document presents an overview of the network architecture and system characteristics of a typical SIGFOX Low Power Wide Area Network (LPWAN), which is in line with the terminology and specifications defined by ETSI. It is intended to be used as background information by the IETF LPWAN group when defining system requirements of different LPWAN technologies that are suitable to support common IP services.},
}