Patent ID: 7746899

Claim:
A method of calculating a bandwidth for a mobile terminal, the method comprising: requesting, by the mobile terminal, a description of a streaming content from a network and receiving a response from the network; requesting, by the mobile terminal, a Quality of Service (QoS) value corresponding to a required amount of bandwidth resources of the network for receiving a streaming service of the content from information about the content included in the received response; and receiving, by the mobile terminal, allocated bandwidth resources of the network according to the QoS value, wherein the mobile terminal calculates the QoS by calculating a first QoS value, calculating a second QoS value based on the first QoS value, and then calculating a final QoS based on where the calculated second QoS falls within a range of predetermined QoSs that the network provides, wherein the multimedia session message includes information about the content to be transmitted through a corresponding session, wherein the information of the content includes an audio bandwidth, a video bandwidth, coding information, and bit rate information, wherein the first QoS is calculated by adding the audio bandwidth and the video bandwidth included in the multimedia session message from the network, and wherein the second QoS is calculated based on the following equation: QoS=1 st QoS*(1+RTCP_DL_OVERHEAD)*(1+RLC_OVERHEAD), where the RTCP_DL_OVERHEAD is an RTCP downlink (DL) overhead value and the RLC_OVERHEAD is a re-transmission overhead value, both of which are also included in the multimedia session message received from the network.