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Tunnel Setup for Split Bearers in Multi-RAT Dual Connectivity (MR-DC) and NR-NR Dual Connectivity (NR-DC)
Tunnel Setup for Split Bearers in Multi-RAT Dual Connectivity (MR-DC) and NR-NR Dual Connectivity (NR-DC)
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机译:多重大鼠双连接(MR-DC)和NR-NR双连接(NR-DC)中的分体承载隧道设置
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摘要
Embodiments include methods, performed by a master node (MN) in a radio access network, for establishing radio resources between a secondary node (SN) and a user equipment (UE). Such embodiments include sending, to the SN, a request identifying one or more QoS flows to be setup between the SN and the UE; and receiving, from the SN, a response including identification of one or more radio bearers that were admitted by the SN in association with the requested QoS flows. Such embodiments also include sending, to the SN, identifiers of one or more tunnels for forwarding downlink user-plane (DL UP) data over an interface between the SN and the MN. Each tunnel identifier is associated with a respective admitted radio bearer. Embodiments also include complementary methods performed by a SN, as well as network nodes configured to perform the various methods.
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