name: RNS
full_form: Radio Network System
context: Identifier) to MME_SRVCC. The Emergency Indication and the equipment identifier are included if the ongoing session is emergency session. Authenticated IMSI and C MSISDN are also included in this case, if available. 6. MME_SRVCC initiates the PS-CS handover procedure towards MSC Server. Steps 5 to 13 as specified in Figure 6.2.2.1-1 (referenced by clause 6.2.2.1A SRVCC from E-UTRAN to UTRAN without PS HO) are performed for the PS-CS handover procedure. 7. MME_SRVCC receives the response message from MSC server after HO preparation is completed. MME_SRVCC sends the Forward Relocation Response message (Target to Source Transparent Container) to AMF. 8. AMF sends the HO command to NG-RAN. 9. NG-RAN sends a HO command to the UE. UE detects the 5G-SRVCC HO. 10. UE tunes to the target UTRAN cell. 11. Handover Detection at the target RNS occurs, then the target RNS sends Handover Detection message to the target MSC SERVER/MSC. 12. The UE sends a Handover Complete message via the target RNS
description: The Radio Network System (RNS) is responsible for managing radio resources and handling handovers between different radio access networks in a telecommunications system.
explanation: RNS is classified as a Network Function because it performs specific tasks within the network, such as managing radio resources and facilitating handovers between different access networks.
section_title: 11.2.15G-SRVCC from NG-RAN to 3GPP UTRAN
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biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O