Sigfox and LoRa are the best known alternatives to LTE for lower power wide area network (LPWAN) connectivity, but there are many other contenders, including Weightless (see separate item) and Ingenu Networks’ RPMA. Ingenu CEO John Horn was bullish about his technology at the recent Mobile World Live show, saying it would be the only survivor alongside the NB-IoT 3GPP standard. “There’s plenty of room for NB-IoT and RPMA,” he said in a pre-show interview, citing his firm’s presence in 38 networks in over 20 countries (though these are private networks – Ingenu only started to address public access last year). He thinks RPMA has a headstart, after seven years in the market. “What’s been standardized in NB-IoT are the press…