Qualcomm’s heart may lie in cellular, but that doesn’t mean it won’t try to dominate unlicensed spectrum technologies too. Indeed, it needs to, since they will be so important in high growth areas like the internet of things (IoT), and the more protocols are in play, the more the US giant’s skills in tight integration come to the fore. Hence a string of acquisitions, of which UK Bluetooth pioneer CSR is the latest. It joins Airgo, Atheros, Wilocity and others in bringing Qualcomm the technology, expertise and IPR to influence standards in key markets, and so enhance the chances for future chipsets. While the other companies mentioned on that list put Qualcomm in the heart of once-despised WiFi, CSR adds…