AT&T wants big mobile players to form a 5G dream team

There are many possible ways to build what 5G is supposed to deliver, but only one standard. To avoid putting money and effort into technologies that don’t make the cut, the big mobile players want to get others on their side.AT&T is hoping to collaborate with a set of carriers and equipment vendors that’s so broad and powerful it might be unstoppable. On Wednesday, the company said it’s having preliminary discussions with an A-list lineup of players to align their efforts