This paper examines network layer security provided by IPSec and link layer security provided by WPA, addressing the characteristics of each approach when applied to wireless networks. It also discusses types of attack done on Wireless/Wi-Fi and security mitigations.
You can download it from the following link: https://packetstormsecurity.com/files/download/105481/wireless_hacking_and_wireless_security.pdf
Source: https://packetstormsecurity.com/files/105481/Wireless-Hacking-And-Wireless-Security.html