Handling for closed access group (CAG) validity no longer met

1 . A method of wireless communication of a user equipment (UE), comprising:

maintaining a closed access group (CAG) information list including an entry, wherein the entry includes an allowed CAG list associated with a current public land mobile network (PLMN), the allowed CAG list includes one or more CAG identifiers (IDs), the one or more CAG IDs includes a first CAG ID configured with a first time validity information including a first time period, and each of the one or more CAG IDs is configured with a time validity information including a time period;

accessing the current PLMN via a current CAG cell supporting the first CAG ID when the first CAG ID is determined as being authorized during the first time period based on the allowed CAG list;

checking whether the UE is authorized based on the first time validity information;

after the first time period of the first CAG ID, determining that none of the CAG IDs supported by the current CAG cell is currently authorized based on the allowed CAG list in response to an event that the UE becomes not authorized; and

determining whether the UE is configured to perform at least one of a plurality of actions, including:

(1) entering a state REGISTERED.LIMITED-SERVICE and searching for a suitable cell,

(2) entering a state REGISTERED.PLMN-SEARCH and applying a PLMN selection process, and

(3) performing a local release of all packet data units (PDUs) or packet sessions associated with 3GPP access except for an emergency PDU or packet session and entering the state REGISTERED.LIMITED-SERVICE.

2 . The method of claim 1 , wherein a second CAG ID of the one or more CAG ID is determined as being authorized based on the allowed CAG list when a second time period of a second time validity information of the second CAG ID of the one or more CAG ID matches a current time of the UE.

3 . The method of claim 1 , wherein the determining whether the UE is configured to perform at least one of the actions is based on one or more of:

(a) whether the entry includes an indication that the UE is only allowed to access a fifth- generation system (5GS) or a sixth-generation system (6GS) via CAG cells,

(b) whether the one or more CAG IDs are authorized based on the allowed CAG list, and

(c) whether the UE has the emergency PDU or packet session.

4 . The method of claim 3 , wherein the UE is configured to enter the state REGISTERED.LIMITED-SERVICE and search for a suitable cell when the entry does not include the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells.

5 . The method of claim 3 , wherein the UE is configured to enter the state REGISTERED.LIMITED-SERVICE and search for a suitable cell when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells and at least one of the one or more CAG IDs are authorized based on the allowed CAG list.

6 . The method of claim 3 , wherein the UE is configured to enter the state REGISTERED.PLMN-SEARCH and apply the PLMN selection process when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells, none of the one or more CAG-IDs is authorized based on the allowed CAG list, and the UE does not have the emergency PDU or packet session.

7 . The method of claim 3 , wherein the UE is configured to perform the local release of all PDU or packet sessions associated with 3 GPP access except for the emergency PDU or packet session and enter the state REGISTERED.LIMITED-SERVICE when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells, none of the one or more CAG-IDs is authorized based on the allowed CAG list, and the UE has the emergency PDU or packet session.

8 . The method of claim 1 , wherein the entry further includes a PLMN identifier for identifying the current PLMN, wherein the first time validity information is configured as part of the first CAG ID in the allowed CAG list of the entry in the CAG information list, and the CAG information list including the first time validity information is stored in a non-volatile memory of the UE.

9 . An apparatus for wireless communication, the apparatus being a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory, the processor being configured to:

maintain a closed access group (CAG) information list including an entry, wherein the entry includes an allowed CAG list associated with a current public land mobile network (PLMN), the allowed CAG list includes one or more CAG identifiers (IDs), the one or more CAG IDs includes a first CAG ID configured with a first time validity information including a first time period, and each of the one or more CAG IDs is configured with a time validity information including a time period;

access the current PLMN via a current CAG cell supporting the first CAG ID when the first CAG ID is determined as being authorized during the first time period based on the allowed CAG list;

check whether the UE is authorized based on the first time validity information;

after the first time period of the first CAG ID, determine that none of the CAG IDs supported by the current CAG cell is currently authorized based on the allowed CAG list in response to an event that the UE becomes not authorized; and

determine whether the UE is configured to perform at least one of a plurality of actions, including:

(1) entering a state REGISTERED.LIMITED-SERVICE and searching for a suitable cell,

(2) entering a state REGISTERED.PLMN-SEARCH and applying a PLMN selection process, and

(3) performing a local release of all packet data units (PDUs) or packet sessions associated with 3GPP access except for an emergency PDU or packet session and entering the state REGISTERED.LIMITED-SERVICE.

10 . The apparatus of claim 9 , wherein a second CAG ID of the one or more CAG ID is determined as being authorized based on the allowed CAG list when a second time period of a second time validity information of the second CAG ID of the one or more CAG ID matches a current time of the UE.

11 . The apparatus of claim 9 , wherein the UE determines whether the UE is configured to perform at least one of the actions based on one or more of:

(a) whether the entry includes an indication that the UE is only allowed to access a fifth-generation system (5GS) or a sixth-generation system (6GS) via CAG cells,

(b) whether the one or more CAG IDs are authorized based on the allowed CAG list, and

(c) whether the UE has the emergency PDU or packet session.

12 . The apparatus of claim 11 , wherein the UE is configured to enter the state REGISTERED.LIMITED-SERVICE and search for a suitable cell when the entry does not include the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells.

13 . The apparatus of claim 11 , wherein the UE is configured to enter the state REGISTERED.LIMITED-SERVICE and search for a suitable cell when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells and at least one of the one or more CAG IDs are authorized based on the allowed CAG list.

14 . The apparatus of claim 11 , wherein the UE is configured to enter the state REGISTERED.PLMN-SEARCH and apply the PLMN selection process when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells, none of the one or more CAG-IDs is authorized based on the allowed CAG list, and the UE does not have the emergency PDU or packet session.

15 . The apparatus of claim 11 , wherein the UE is configured to perform the local release of all PDU or packet sessions associated with 3GPP access except for the emergency PDU or packet session and enter the state REGISTERED.LIMITED-SERVICE when the entry includes the indication that the UE is only allowed to access the 5GS or the 6GS via the CAG cells, none of the one or more CAG-IDs is authorized based on the allowed CAG list, and the UE has the emergency PDU or packet session.

16 . The apparatus of claim 9 , wherein the entry further includes a PLMN identifier for identifying the current PLMN, wherein the first time validity information is configured as part of the first CAG ID in the allowed CAG list of the entry in the CAG information list, and the CAG information list including the first time validity information is stored in a non-volatile memory of the UE.

17 . A non-transitory computer-readable medium storing computer executable code for wireless communication of a user equipment (UE), comprising code to:

maintain a closed access group (CAG) information list including an entry, wherein the entry includes an allowed CAG list associated with a current public land mobile network (PLMN), the allowed CAG list includes one or more CAG identifiers (IDs), the one or more CAG IDs includes a first CAG ID configured with a first time validity information including a first time period, and each of the one or more CAG IDs is configured with a time validity information including a time period;

access the current PLMN via a current CAG cell supporting the first CAG ID when the first CAG ID is determined as being authorized during the first time period based on the allowed CAG list;

check whether the UE is authorized based on the first time validity information;

after the first time period of the first CAG ID, determine that none of the CAG IDs supported by the current CAG cell is currently authorized based on the allowed CAG list in response to an event that the UE becomes not authorized; and

determine whether the UE is configured to perform at least one of a plurality of actions, including:

(1) entering a state REGISTERED.LIMITED-SERVICE and searching for a suitable cell,

(2) entering a state REGISTERED.PLMN-SEARCH and applying a PLMN selection process, and

(3) performing a local release of all packet data units (PDUs) or packet sessions associated with 3GPP access except for an emergency PDU or packet session and entering the state REGISTERED.LIMITED-SERVICE.

18 . The non-transitory computer-readable medium of claim 17 , wherein a second CAG ID of the one or more CAG ID is determined as being authorized based on the allowed CAG list when a second time period of a second time validity information of the second CAG ID of the one or more CAG ID matches a current time of the UE.

19 . The non-transitory computer-readable medium of claim 17 , wherein the UE determines whether the UE is configured to perform at least one of the actions based on one or more of:

(a) whether the entry includes an indication that the UE is only allowed to access a fifth-generation system (5GS) or a sixth-generation system (6GS) via CAG cells,

(b) whether the one or more CAG IDs are authorized based on the allowed CAG list, and

(c) whether the UE has the emergency PDU or packet session.

20 . The non-transitory computer-readable medium of claim 17 , wherein the entry further includes a PLMN identifier for identifying the current PLMN, wherein the first time validity information is configured as part of the first CAG ID in the allowed CAG list of the entry in the CAG information list, and the CAG information list including the first time validity information is stored in a non-volatile memory of the UE.