Wifi Direct

Wi-Fi Direct, initially called Wi-Fi P2P, is a WiFi standard that enables devices to connect easily with each other without requiring a wireless access point[2] and to communicate at typical Wi-Fi speeds[3] for everything from file transfer to Internet connectivity. http://en.wikipedia.org/wiki/Wi-Fi_Direct

http://www.zdnet.com/blog/open-source/what-wifi-direct-is-and-is-not/7617

http://www.quora.com/WiFi-Direct