Modeling and traffic evaluation of an integrated ATM-wireless network

Abstract

We introduce an integrated ATM-wireless network and evaluate the traffic performance of this network. The wireless section is comprised of five base stations each with a number of hand-sets. The data rate generated by each hand-set is 64 kbs while base stations communicate with one another at 384 kbs. In the ATM section, there are six nodes each is connected to a number of workstations. We assume 50% of the packets generated at hand-sets are destined for ATM section while the rest are forwarded to destinations within the wireless network. A fixed base station is connected to the ATM network in addition to other hand-sets and mobile base stations. The combined ATM-Wireless network was simulated and the simulation results demonstrate the effectiveness of buffers used in base stations. On all radio links, packets transmitted by any hand-set or base station, are dynamically defined by the radio frequency. The performance evaluation results show the communication delay within the wireless network, and between the ATM and the wireless networks.