QoS information signaling method during handover between access networks in an IP-based network

摘要

A method of signaling quality of service information in response to a handover from a first access network to a second access network in an Internet Protocol (IP) based mobile network environment, the method comprising: transmitting a resource reservation message from a mobile node to the second access network; transmitting the resource reservation message to an IP-based core network from the second access network; and transmitting a resource reservation confirm message to the mobile node.