Signaling for a user equipment mobility prediction
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network node in a radio access network (RAN) may transmit mobility history data for a user equipment (UE) to a second network node in a core network associated with the RAN. The first network node may receive a UE mobility prediction model that is based at least in part on the mobility history data from the second network node. Numerous other aspects are described.
1 . An apparatus for wireless communication at a first network node, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to cause the first network node to:
transmit mobility history data for a user equipment (UE) to a second network node in a core network associated with a radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the RAN; and
receive, from the second network node, a UE mobility prediction model that is based at least in part on the mobility history data, wherein the UE mobility prediction model comprises a UE-specific mobility prediction model for the UE.
2 . The apparatus of claim 1 ,
wherein the second network node is an access management function (AMF) node.
3 . The apparatus of claim 1 , wherein, to transmit the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
transmit the mobility history data to the second network node in a UE context release complete message.
4 . The apparatus of claim 1 , wherein, to transmit the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
transmit the mobility history data to the second network node in a path switch request message.
5 . The apparatus of claim 1 , wherein, to receive the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
receive the UE mobility prediction model from the second network node during a radio resource control (RRC) connection setup procedure for the UE.
6 . The apparatus of claim 1 , wherein, to receive the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
receive the UE mobility prediction model from the second network node during a handover procedure for the UE.
7 . The apparatus of claim 1 , wherein, to receive the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
receive the UE mobility prediction model from the second network node in an initial UE context setup request message.
8 . An apparatus for wireless communication at a first network node, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to cause the first network node to:
transmit mobility history data for a user equipment (UE) to a second network node in a core network associated with a radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the RAN; and
receive, from the second network node, updated long-term mobility history data that is based at least in part on the mobility history data, wherein the updated long-term mobility history data comprises UE-specific long-term mobility history data for the UE.
9 . The apparatus of claim 8 ,
wherein the second network node is an access management function (AMF) node.
10 . The apparatus of claim 8 , wherein, to transmit the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
transmit the mobility history data to the second network node in a UE context release complete message.
11 . The apparatus of claim 8 , wherein, to transmit the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
transmit the mobility history data to the second network node in a path switch request message.
12 . The apparatus of claim 8 , wherein, to receive the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
receive the updated long-term mobility history data from the second network node during a radio resource control (RRC) connection setup procedure for the UE.
13 . The apparatus of claim 8 , wherein, to receive the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
receive the updated long-term mobility history data from the second network node during a handover procedure for the UE.
14 . The apparatus of claim 8 , wherein, to receive the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
receive the updated long-term mobility history data from the second network node in an initial UE context setup request message.
15 . The apparatus of claim 8 , wherein, to receive the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
receive the updated long-term mobility history data from the second network node in a UE context modification request message.
16 . The apparatus of claim 8 , wherein, to receive the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
receive the updated long-term mobility history data from the second network node in a path switch request acknowledgement message.
17 . An apparatus for wireless communication at a first network node, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to cause the first network node to:
provide mobility history data for a user equipment (UE) to a second network node in a disaggregated radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the disaggregated RAN; and
obtain, from the second network node, a UE mobility prediction model that is based at least in part on the mobility history data, wherein the UE mobility prediction model comprises a UE-specific mobility prediction model for the UE.
18 . The apparatus of claim 17 , wherein, to transmit the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
provide the mobility history data to the second network node in an event report.
19 . The apparatus of claim 17 , wherein, to obtain the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
obtain the UE mobility prediction model from the second network node during a radio resource control (RRC) connection setup procedure for the UE.
20 . The apparatus of claim 17 , wherein, to obtain the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
obtain the UE mobility prediction model from the second network node during a handover procedure for the UE.
21 . The apparatus of claim 17 , wherein, to obtain the UE mobility prediction model from the second network node, the one or more processors are configured to cause the first network node to:
obtain the UE mobility prediction model from the second network node in a UE context setup message.
22 . The apparatus of claim 17 ,
wherein the UE mobility prediction model is trained based at least in part on:
recent mobility history data associated with the UE, and
long-term mobility history data collected for the UE.
23 . The apparatus of claim 17 ,
wherein the second network node is an access management function (AMF) node.
24 . An apparatus for wireless communication at a first network node, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to cause the first network node to:
provide mobility history data for a user equipment (UE) to a second network node in a disaggregated radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the disaggregated RAN; and
obtain, from the second network node, updated long-term mobility history data that is based at least in part on the mobility history data, wherein the updated long-term mobility history data comprises UE-specific long-term mobility history data for the UE.
25 . The apparatus of claim 24 ,
wherein the second network node is a service management and orchestration (SMO) node.
26 . The apparatus of claim 24 ,
wherein the second network node is a RAN intelligent controller (RIC) node.
27 . The apparatus of claim 24 , wherein, to provide the mobility history data to the second network node, the one or more processors are configured to cause the first network node to:
provide the mobility history data to the second network node in an event report.
28 . The apparatus of claim 24 , wherein, to obtain the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
obtain the updated long-term mobility history data from the second network node during a radio resource control (RRC) connection setup procedure for the UE.
29 . The apparatus of claim 24 , wherein, to obtain the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
obtain the updated long-term mobility history data from the second network node during a handover procedure for the UE.
30 . The apparatus of claim 24 , wherein, to obtain the updated long-term mobility history data from the second network node, the one or more processors are configured to cause the first network node to:
obtain the updated long-term mobility history data from the second network node in a UE context setup message.
31 . A method of wireless communication performed at a first network node, comprising:
transmitting mobility history data for a user equipment (UE) to a second network node in a core network associated with a radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the RAN; and
receiving, from the second network node, a UE mobility prediction model that is based at least in part on the mobility history data, the UE mobility prediction model comprising a UE-specific mobility prediction model for the UE.
32 . A method of wireless communication performed at a first network node, comprising:
transmitting mobility history data for a user equipment (UE) to a second network node in a core network associated with a radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the RAN; and
receiving, from the second network node, updated long-term mobility history data that is based at least in part on the mobility history data, the updated long-term mobility history data comprising UE-specific long-term mobility history data for the UE.
33 . A method of wireless communication performed at a first network node, comprising:
providing mobility history data for a user equipment (UE) to a second network node in a disaggregated radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the disaggregated RAN; and
obtaining, from the second network node, a UE mobility prediction model that is based at least in part on the mobility history data, the UE mobility prediction model comprising a UE-specific mobility prediction model for the UE.
34 . A method of wireless communication performed at a first network node, comprising:
providing mobility history data for a user equipment (UE) to a second network node in a disaggregated radio access network (RAN), wherein the mobility history data includes locations of the UE and respective durations corresponding to the locations, and wherein the first network node is configured to operate in the disaggregated RAN; and
obtaining, from the second network node, updated long-term mobility history data that is based at least in part on the mobility history data, the updated long-term mobility history data comprising UE-specific long-term mobility history data for the UE.