A Nokia executive recently attracted headlines by blogging that non-cellular IoT networks like Sigfox and LoRa would be the new WiMAX, doomed to irrelevancy once the LTE juggernaut gets moving. Just a couple of months later, LTE is definitely on the move, accelerating the creation of LTE-based standards for low power wide area (LPWA) networks. But those who think this is destined to be a 3GPP-only world are making the wrong comparison. WiMAX did indeed become marginalized because it left its unlicensed spectrum implementations behind and sought to beard the LTE giants right in their lair. But that did not entirely unify the fourth generation of wireless networks, in which WiFi has played an increasingly significant role. As long as…