International Journal of Computer Science and Mobile Computing (IJCSMC)
IEEE 802.16 WiMAX network is designed for providing high speed wide area broadband wireless access. WiMAX is an emerging wireless technology which is used for creating multi-hop mesh networks offering variable and high data rates, QoS, seamless mobility within a network. OPNET modeler is a simulation program tool used to simulate the different types of wireless networks. In this paper, simulation and evaluation of two different sized networks (small and large) is carried out. The authors are using the modeler to study networks with 35 and 50 mobile workstations. In each network, group of five WiMAX workstations connect and call each other through one WiMAX base stations during 1000sec.