Starting the research
Tutorial: http://lcdev.dk/2012/11/18/raspberry-pi-tutorial-connect-to-wifi-or-create-an-encrypted-dhcp-enabled-ad-hoc-network-as-fallback/
Origin reference to tutorial: http://raspberrypi.stackexchange.com/questions/1074/how-can-i-setup-a-wireless-access-point-or-and-ad-hoc-network