The next generation (4G) wireless network is envisioned as a convergence of different
wireless access technologies providing the user with the best anywhere anytime connection …

Tumor segmentation from magnetic resonance imaging (MRI) data is an important but time
consuming manual task performed by medical experts. Automating this process is a …

In heterogeneous wireless systems, the seamless and efficient handoff between different
access technologies (vertical handoff) is essential and remains a challenging problem. The …

Heterogeneous networks are integrated in fourth generation. To have seamless
communication and mobility between these heterogeneous wireless access networks …

Abstract 4G systems are expected to rely on multiple wireless networks. These wireless
network can be cellular, WLAN, WiMax etc. For switching amongst these different networks …

With increasing technological advancement of mobile computing and mobile networks, there
is an increasing concern about a sustainable vertical handoff mechanism for large scale …

The growing development of wireless technology with such a fast extent is increases the
user's desires for perfection. when the mobile user moves from one cell to another cell within …

Les réseaux mobiles et sans fil ont connu un essor sans précédent ces dernières années. Il
s' est agit d'une part du déploiement de plusieurs générations successives de réseaux de …

This PH. D thesis is based on the interworking and the quality of service in 4th generation
mobile wireless networks. In particular, we propose solutions of integration between WiMAX …