A Fast and Secure Location-Based Handover Approach for Hybrid Networks

In this paper the multiple challenges for handovers in hybrid networks are discussed. Based on that a location-based handover for hybrid networks is evaluated. The handover takes into consideration the increased handover preparation time in hybrid networks, coming from the use of different air interfaces and the interoperation of different network providers. Also the security of the connection is a problem as the different networks included in the hybrid network have different security mechanisms. The location-based handover introduced here can speed up the handover process in general and also enables integrated authentication. This is an important task to fulfil, because providers usually only give authenticated users access to their network. In standard handovers authentication is not included because of a lack of time. The handover is evaluated by simulation and the scenarios and results for the correct choice of the target cell are given.