Antennas and Propagation for Wireless Communication Systems
Antennas and Propagation for Wireless Communication Systems
Simulative Considerations for Future 4G Hierarchical Mobility Management in All-IP Networks
ICN '07 Proceedings of the Sixth International Conference on Networking
A Scheme for Graceful Vertical Handover in Heterogeneous Overlay Networks
WIMOB '06 Proceedings of the 2006 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications
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Next-generation mobile networks will offer wireless coverage through heterogeneous radio accesses. The possibility of realistically simulating advanced mobility scenarios in such networks, with the users roaming across different radio technologies, depends on the availability of light models capable of predicting the users' mobility and the wireless coverage offered by the heterogeneous infrastructure. The article proposes an analysis of the criteria to identify proper wireless coverage models and shows how to use the uniform geometrical theory of diffraction and a ray-tracing approach to build up a low complexity model capable of fulfilling such criteria.