Investigation of an Analytical Model Based on Resource Factor for Vertical Handoffs

Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
In order to optimize the utilization of limited resources, the operators have already addressed to deploy their services in heterogeneous networks integrated different Radio Access Technologies (RAT), e.g. WLAN/WiMAX/WCDMA. Vertical HandOffs (VHO) as a key problem should be overcome while mobile users are moving in heterogeneous networks. In existing works, resource assignment depends on the packet's size, which is usually defined a fix length. This paper proposes an analytical model for evaluating the VHO performance. In the model, resources are proportionally assigned to Real-time Services (RS) and to Non Real-time Services (NRS) by a resource factor m, which can be defined as any value.

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