The Study on the Effectiveness for the Handoff of WiMAX and BlueTooth

When the client moved quickly, from WiMax into Bluetooth service coverage, then leaved the Bluetooth service coverage and accessed to another WiMax range of services. At this time, that handoff frequently in a short period of time, and decreased system efficiency, also decreased the QoS. In this research, we use NS-2 to simulate the situations. The final simulation results show that when client moving, should avoid handoff frequently. Because client from Bluetooth handover to WiMax or WiMax handover to Bluetooth frequently, that would decreased the QoS.