News of Note—Sprint CEO on T-Mobile merger, Frontier’s CFO to resign and more

Here are the other stories we’re chasing today:

> Sprint CEO Michel Combes said AT&T’s purchase of Time Warner gives him “even more comfort” that the carrier’s transaction with T-Mobile will happen. American City Business Journal article

> Frontier’s CFO said he will resign for personal reasons. CED article

> Qualcomm and Vivo showed off a single 5G millimeter wave and a sub-6 GHz antenna. VentureBeat article

> Apple continues to work to invalidate Qualcomm’s patents. PhoneScoop article

> OpenSignal looked at the differences between carriers’ 4G upload speeds. Post

> AT&T CEO Randall Stephenson said now that the Time Warner deal is done, AT&T is on track to launch a real-time ad exchange platform within 24 months. FierceCable article

> Comcast could raise its bid for Fox up to $75 billion, according to analysts. FierceCable article