A Cell Network That Targets Dead Zones

摘要

If you live in or near a city, it's hard to imagine not finding a cell signal. Telecommunication companies spend hundreds of millions of dollars on cell towers and bulky base stations. The trouble is, they'll only install them in places where the network will get ample use. Sparsely populated areas usually don't qualify, and that means more than an estimated one billion people worldwide lack access to reliable phone and Internet service.