Principles and Applications of GSM
Principles and Applications of GSM
WLAN-GPRS integration for next-generation mobile data networks
IEEE Wireless Communications
IDMP-based fast handoffs and paging in IP-based 4G mobile networks
IEEE Communications Magazine
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Review: An overview of vertical handover techniques: Algorithms, protocols and tools
Computer Communications
Resource competition in a converged heterogeneous networking ecosystem
Computer Networks: The International Journal of Computer and Telecommunications Networking
Seamless handoff between IEEE 802.11 and GPRS networks
ICDCIT'10 Proceedings of the 6th international conference on Distributed Computing and Internet Technology
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There have been parallel technological developments in wireless local network (WLAN) and cellular wide area network (WAN) technologies. This is evidenced by the boom in fast WLANs enabled devices, the spread of 2.5 G networks and the increasing emergence 3 G communication networks, applications and terminals. The prospects of integrating WLAN and cellular WAN technologies with support for seamless handoffs between the two heterogeneous have changed the mentality of researchers from considering WLAN technology as a threat to the future of wide area cellular networks to accepting the technology as a complementary solution. A number of architectures for interworking the two different network types have been proposed mainly based on the loose coupling interworking approach recommended by the ETSI. One of the main weaknesses anticipated with loose coupling architecture is excessive handoff latency, which may lead to data loss, traffic congestion and handoff failure. In this paper an architecture for interworking WLAN and the GPRS networks, based on the ETSI tight coupling approach, is proposed.