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MANAGEMENT OF NEXT-GENERATION WIRELESS NETWORKS AND SERVICES - AN ADVANCED LOCATION INFORMATION MANAGEMENT SCHEME FOR SUPPORTING FLEXIBLE SERVICE PROVISIONING IN RECONFIGURABLE MOBILE NETWORKS - The evolution of third-generation mobile communications networks has nominated the requirements for flexible service provisioning, intelligent and customized charging, as well as location-aware service and data management as key enablers for the support of new advanced service offerings to mobile users.
MANAGEMENT OF NEXT-GENERATION WIRELESS NETWORKS AND SERVICES - PROVISIONING MULTIMEDIA WIRELESS NETWORKS FOR BETTER QOS: RRM STRATEGIES FOR 3G W-CDMA - Third-generation mobile communication systems will bring a wide range of new services with different quality of service requirements and will open the ability to exploit radio resource management functions to guarantee a certain target QoS, to maintain the planned coverage area and to offer a high-capacity while using the radio resources in an efficient way.
MANAGEMENT OF NEXT-GENERATION WIRELESS NETWORKS AND SERVICES - AN ADAPTIVE MANAGEMENT ARCHITECTURE FOR AD HOC NETWORKS - Ad hoc networks, where mobile nodes communicate via multihop wireless links, facilitate network connectivity without the aid of any preexisting networking infrastructure. The intrinsic attributes of ad hoc networks, such as dynamic network topology, limited battery power, constrained wireless bandwidth and quality, and large number of heterogeneous nodes, make network management significantly more challenging than stationary and wired networks.
MANAGEMENT OF NEXT-GENERATION WIRELESS NETWORKS AND SERVICES - MANNA: A MANAGEMENT ARCHITECTURE FOR WIRELESS SENSOR NETWORKS - Wireless sensor networks (WSNs) are becoming an increasingly important technology that will be used in a variety of applications such as environmental monitoring, infrastructure management, public safety, medical, home and office security, transportation, and military. WSNs will also play a key role in pervasive computing where computing devices and people are connected to the Internet.
MANAGEMENT OF NEXT-GENERATION WIRELESS NETWORKS AND SERVICES - REAL-TIME PAYMENTS FOR MOBILE IP - The Mobile IP protocol has evolved from providing mobility support for portable computers to support for wireless handheld devices with high mobility patterns. A new category of micromobility protocols has been proposed to deal with the increased signaling loads that will be generated with large populations of such devices on a network. We argue that the authentication schemes presently employed in these networks do not scale well for large numbers of nodes, and that the lack of accounting procedures prevents the mass deployment of these networks.
TOPICS IN BROADBAND ACCESS - IMPACT OF THE EVOLUTION OF THE METROPOLITAN NETWORK ON THE DSL ACCESS ARCHITECTURE - Without any doubt, broadband Internet access is one of the most successful services offered by telecom operators today. Packet-based aggregation technologies -- Especially Gigabit Ethernet -- Are becoming popular for offering connectivity services to business customers. The success of packet-based aggregation technologies is mainly driven by their lower cost compared to established cell-based solutions.
TOPICS IN BROADBAND ACCESS - IP-BASED ACCESS NETWORKS FOR BROADBAND MULTIMEDIA SERVICES - The increasing demands of new services and applications are pushing for drastic changes in the design of access networks for residential and SOHO users. Future access networks will provide full service integration, resource sharing at the packet level, and QoS support. It is expected that using IP as the base technology, the ideal plug-and-play scenario, where the management actions of the access network operator are kept to a minimum, will be achieved easily.
TOPICS IN BROADBAND ACCESS - ON THE ESTABLISHMENT OF AN ACCESS VPN IN BROADBAND ACCESS NETWORKS - Many corporate networks use the Internet as a cost-effective substitute for expensive leased lines and long-distance telephone calls, for allowing their users to have on-demand connectivity into their intranets through ad hoc tunnels, a concept known as access VPN. Establishing an access VPN in a broadband access network is very often a difficult networking challenge that requires several tunnels to be established between the various involved entities.