The LTE community’s low power wide area network (LPWAN) standard, NB-IoT, has been suffering the usual teething troubles recently – scaled-back deployments after a wave of hype; rumors of interoperability and roaming issues; mobile operators sticking to alternative solutions like LoRa despite the shiny new technology just waiting to be added to their LTE base stations. But at Mobile World Congress Shanghai last week, in the bosom of the cellular industry, there was nothing but positive vibes about the new standard, with operators round the world talking up their plans, from China to Germany to New Zealand. The GSMA, which runs the MWC series of events, claimed credit, saying these early moves indicated the success of its Mobile IoT Initiative,…