Enhanced multi criteria based path selection algorithm for heterogeneous networks
The rapid development and deployment of different mobile communication technologies like WLAN or WiMAX and cellular networks like UMTS or LTE in the last decades resulted in a broad network coverage and overlapping. According to the idea of Next Generation Networks, these technologies can be considered as transport media for different kinds of applications. This development has led to the situation where multiple alternative communication paths may exist between the user terminal and the application delivery entities, which raises the problem of defining and calculating the optimal communication path. Multiple different characteristics of the communication paths can be meaningfully used for the path selection decision. Multiple Criteria Decision Analysis (MCDA) was proposed in several scientific papers to address this problem. In our research, we investigated the normalization phase of the MCDA process, and developed an enhanced multi criteria path selection algorithm with a new way of handling criteria utility functions. The idea of our proposal is based on minimization of over fitting some criteria by an upper boundary of optimization. We present our simulation tool and discuss simulation results demonstrating performance gains both for users and service providers.
2016 Eighth International Conference on Ubiquitous and Future Networks (ICUFN)