Mobility between areas with heterogeneous network slices
AssigneeQUALCOMM Incorporated
InventorsStefano FACCIN, Haris ZISIMOPOULOS, Miguel GRIOT
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Abstract
Certain aspects of the present disclosure relate to methods and apparatus for handling mobility between areas with heterogeneous network slices in wireless communications systems operating according to new radio (NR) technologies. An exemplary method that may be performed by a UE includes receiving an indication that a network slice is not available, entering a connection management idle (CM-IDLE) state, and initiating a registration procedure with an access and mobility management function (AMF) subsequent to entering the CM-IDLE state.
Claims30
A method of wireless communications for a user equipment (UE), comprising:
- receiving an indication that a network slice is not available;
- entering a connection management idle (CM-IDLE) state;
- and
- initiating a registration procedure with an access and mobility management function (AMF) subsequent to entering the CM-IDLE state.
A method of wireless communications for an access and mobility management function (AMF), comprising:
- detecting that a network slice, with which a user equipment (UE) has at least one active protocol data unit (PDU) session corresponding to that network slice, has or will become unavailable;
- and
- sending a request to a session management function (SMF) for a modification of the PDU session, in response to the detection;
- and
- sending, to the UE, an indication that a re-registration of the UE is required.
A method of wireless communications for a radio access network (RAN) device, comprising:
- receiving a request for the establishment of access network resources corresponding to a network slice;
- and
- sending a notification to an access and mobility management function (AMF) that the network slice is not supported by the RAN device.
A method of wireless communications for a service management function (SMF), comprising:
- receiving a request from an access and mobility management function (AMF) for a modification of a protocol data unit (PDU) session of a network slice, the request including an indication that a reason for the modification is that the network slice is not supported;
- and
- performing the modification of the PDU session.
Dependencies are inferred from the claim text.