Patent ID: 7596084

Claim:
A method for marking a DiffeServ Code Point (DSCP) while achieving guaranteed quality of service (QoS) by using Differentiated Services (DiffServ) in the wireless access network of the IP-based universal mobile telecommunication system (UMTS), wherein said mobile communication system comprises a core network, one or more universal terrestrial radio access networks (UTRANs) and a plurality of user equipments (UEs), wherein the core network communicates with the UTRAN via an Iu interface, and said UTRAN communicates with one or more UEs via Uu interfaces, each of said UTRAN comprises a plurality of radio network controllers (RNCs) and one or more Nodes B communicating with said RNC via Iub interfaces, and each Node B comprises one or more cells, and the communication between the RNCs being performed via Iur interfaces; said method comprising the following steps of: in the outgoing direction of the Iub interfaces at the Node B side, the node B side classifying all the uplink Iub interface data streams generated by the Node B into DCH FP data frames, RACH/CPCH FP data frames, and Node B Application Part (NBAP) signaling and Operation & Maintenance (O&M) data streams, and assigning and adjusting the priorities of the classified data streams according to the principles for optimizing the QoS and radio resources; in the outgoing direction of the Iub interfaces at the RNC side, the RNC side classifying the transmitted data into: uplink DCH FP data frames transparently forwarded from the lub interfaces; uplink RACH/CPCH FP data frames from the Iub interfaces, medium access control (MAC) layer service data units (SDU) processed by the MAC layer functional entity (MAC-c/sh) forming the corresponding upward Iur interface RACHICPCH FP data frames; downlink Iur interface FP data frames generated by the RNC as a SRNC and transmitted to a Drift Radio Network Controller (DRNC); and radio network sub-system application part (RNSAP) signaling streams, and assigning and adjusting the priorities of the classified data streams according to the principles for optimizing the QoS and radio resources; and in the outgoing direction of the Iur interface at the RNC side, the RNC side classifying the transmitted data into: downlink DCH/HS-DSCH FP data frames transparently forwarded from the Iur interfaces; downlink DSCH FP data frames from the Iur interfaces, the MAC layer SDUs processed by the MAC-c/sh forming the corresponding downlink lub interface DSCH FP data frames; downlink Iur interface FACH FP data frames which, after being processed by the MAC-c/sh, are multiplexed with logic channels and form downlink Iub interface downlink FACH FP data frames; downlink Iub interface FP data frames generated by the RNC and directly transmitted to the Node B; and NBAP signaling and O&M data streams, and assigning and adjusting the priorities of the classified data streams according to the principles for optimizing the QoS and radio resources.