how to make your Windows 7 a WiFi HotSpot.
Basically the article explain that latest Intel Wireless Driver allow you to share your LAN connectivity using Wireless Adapter.
He used it for my smartphone in order to reduce 3G traffic.
The procedure is really simple:
1) Open an elevated command line with administrative privileges and type
netsh wlan set hostednetwork mode=allow ssid=Test key=password
replacing the name and password with your own preference.
2 )Start the adapter by
netsh wlan start hostednetwork
3) Share an existing connection to it by going to the “Properties” of a connection, selecting the “Sharing” tab and enabling ICS and choosing the corresponding Virtual WiFi adapter