Résumé
The aim of this paper is, by a precise description of the different existing and developing wireless networks, to determine how all these networks may collaborate together. The example taken is WiMAX which has been able to examine advantages and weaknesses of existing WLAN in order to determine a specific application type. The confrontation of WiMAX and Wi-Fi characteristics will highlight evolutions in wireless networking and will give us keywords of what new networks are attended for.