DESIGN OF WIRELESS NETWORK BASED ON NS2

The main goal of this paper is to present how to use NS2simulation for designing wireless networks and using Cryptography algorithm as to security information. It briefly describes the basic wireless networks categories, analyzes wireless LAN networks, briefly describes their components and technologies, explains the Wi-Fi technology and analyzes property sources related to wireless networks simulators and its detailed description, Specify the configuration for the simple wireless network and create corresponding model by using ns-2 simulator, demonstrates selected characteristics of the specified network configuration using the simulation model, and show scenario of transmission data among nodes.