Importance

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Abstract

Disclosed is a Quality-of-Service (QoS) Support method in a mobile communication system including an access terminal, an access network for performing packet data communication with the access terminal, a packet control function for controlling transmission and reception of packet data between the access network and the access terminal, and a packet data service node for exchanging packet data with the packet control function. The access terminal maps a requirement based on an application characteristic to an IP QoS parameter, generates a resource reservation protocol message, and transmits the resource reservation protocol message to the packet data service node. The packet data service node maps IP QoS information to be transmitted to the access terminal to QoS information needed in the access network, and transmits the mapping result to the access network via the packet control function. The access terminal receives data including QoS information from the packet data service node, and performs communication according to the QoS information.

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First Claim