Intelligent IP Services Edge with Dynamic QOS to individually and collectively enhance subscribers quality of experience (QOE) in Wireless Broadband Networks

摘要

In cellular and broadband wireless networks, specific nodes are assigned to handle functions such as radio resource management (BSC/BTS), session management (PDSN/GGSN/Access Gateways) and service switching (MSC, CSCFs). The function to guarantee Quality of Service, or QOS, is typically associated with the service being implemented and assigned to the one or more nodes implementing the service. There are also policy definition and control nodes (PDFs) identified within the standards. These manage static service level agreements that provide instructions to QOS mechanisms on different nodes within the network. With a move toward an all IP network and a services model with continuously changing requirements (such as user/terminal mobility, varying RF conditions), static QOS mechanisms become inadequate and the need for a dynamic and adaptive QOS mechanism becomes significant.