This seems it might work. The video shows you how to make it happen with test.
http://www.wonderhowto.com/how-to/video/how-to-hack-a-wifi-usb-adapter-for-better-reception-210506/
http://www.wonderhowto.com/how-to/video/how-to-hack-a-wifi-usb-adapter-for-better-reception-210506/