http://www.techspot.com/news/58249-lte- ... tower.html
Qualcomm has been working on the next generation of wireless technology for the last seven years. They're calling it LTE Direct and as the name suggests, it's built on top of the LTE protocol and will allow devices to communicate directly without the assistance of a cell tower.
As Technolog Review points out, LTE Direct works at distances greater than 500 yards which means its range extends much further than Wi-Fi and Bluetooth. It also uses very little energy so a device can constantly scan for a signal without being a serious battery drain.
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