2020 seems to be the deadline many groups are taking for developing the next generation of data networks. Samsung, the European Union, and Chinese device manufacturer Huawei have all said they'll work on commercializing 5G by then. There's plenty of work to do. Beyond improving speed to hundreds of times faster than today's 4G, 5G should have fewer dead zones and use less power than 4G, VentureBeat reported last year.