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FAST RETURN TO 5G SYSTEMS (5GS) AFTER HANDOVER TO EVOLVED PACKET SYSTEM (EPS) DUE TO EPS FALLBACK FROM 5GS
FAST RETURN TO 5G SYSTEMS (5GS) AFTER HANDOVER TO EVOLVED PACKET SYSTEM (EPS) DUE TO EPS FALLBACK FROM 5GS
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机译:由于EPS从5GS回退,在切换到演进分组系统(EPS)后快速返回5G系统(5GS)
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摘要
Some embodiments of this disclosure include apparatuses and methods for managing a fast return of a user equipment (UE) to 5G systems (5GS) after handover to Evolved Packet System (EPS) due to EPS fallback from 5GS. The method can include at least generating a handover request including an indication indicating a handover reason of no presence of quality of service (QoS) flow for a voice signal to the UE; receiving a handover command generated by an access and mobility management function (AMF) to transfer the UE from the 5GS to the EPS based on the handover request; transmitting the handover command to the UE for the UE to establish a connection with the EPS; and after the flow of the voice signal has terminated, reestablishing a connection with the UE to reconnect the UE to the 5GS, wherein the connection with the BS is re-established based on a target ID of the BS.
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