UMA/GAN from A-Z

This new book addresses the needs of everybody who requires a thorough understanding of generic access operation and procedures. The book starts with an introduction into the current implementation situation of UMA/GA and it continues with a detailed discussion of WiFi and its operation as baseline for generic access. This part covers the physical layer as well as the MAC-layer and includes an overview of 802.11n and WiFi-security methods. In the next portion, the book focuses on GA-elementary procedures like GANC-discovery and registration and the GA-integrated security procedures like IKEv2, EAP-SIM and EAP-AKA. The book concludes with a detailed description of GA-based layer 3 procedures like call setup and short message delivery. This part includes detailed handover and rove in/out procedure presentations between WiFi and GSM and WiFi and UMTS.