Fifth generation (5G) global unique temporary identity (GUTI) reallocation for cellular-internet of things (CIOT)

1. A method of wireless communication, comprising:

receiving, by a user equipment (UE) from a network, a paging associated with a mobile-terminated early data transmission (MT-EDT);

transmitting, by the UE to the network, a data request in response to the paging; and

receiving, by the UE from the network in response to the data request, a message including:

a global unique temporary identifier (GUTI); and

at least one of data associated with the paging or a connection release indication.

2. The method of claim 1 , wherein:

the transmitting the data request includes:

transmitting, by the UE to the network, a radio resource control (RRC) early data request message; and

the receiving the message includes:

receiving, by the UE from the network, a RRC early data complete message including the data and the GUTI.

3. The method of claim 2 , wherein the RRC early data complete message includes a non-access stratum (NAS) service accept message, and wherein the NAS service accept message includes the data and the GUTI.

4. The method of claim 2 , wherein the RRC early data complete message includes:

a non-access stratum (NAS) service accept message including the data; and

an information element (IE) including the GUTI.

5. The method of claim 2 , wherein the RRC early data complete message further includes a non-access stratum (NAS) acknowledgement (ACK) request, and wherein the method further comprises:

transmitting, by the UE to the network, a NAS ACK in response to the NAS ACK request.

6. The method of claim 1 , wherein:

the transmitting the data request includes:

transmitting, by the UE to the network, a radio resource control (RRC) early data request message; and

the receiving the message includes:

receiving, by the UE from the network, a RRC connection release message including the connection release indication and the GUTI.

7. The method of claim 1 , wherein:

the transmitting the data request includes:

transmitting, by the UE to the network, a radio resource control (RRC) connection resume request message; and

the receiving the message includes:

receiving, by the UE from the network, a RRC connection release message including the connection release indication, the data, and the GUTI.

8. A method of wireless communication, comprising:

transmitting, by a core network entity to a base station (BS), a paging for a user equipment (UE) associated with a first global unique temporary identifier (GUTI);

receiving, by the core network entity from the BS, a request associated with at least one of a service or a context resumption of the paged UE; and

transmitting, by the core network entity to the BS in response to the request, a message including:

a second GUTI for the paged UE different from the first GUTI; and

at least one of data associated with the paging or a connection release indication.

9. The method of claim 8 , further comprising:

generating, by the core network entity in response to the request, the second GUTI.

10. The method of claim 8 , wherein:

the receiving the request includes:

receiving, by the core network entity, an initial UE message including a non-access stratum (NAS) service request; and

the transmitting the message includes:

transmitting, by the core network entity to the BS, a NAS transport message including the data and the second GUTI.

11. The method of claim 10 , wherein the NAS transport message includes a NAS service accept message, and wherein the NAS service accept message includes the data and the second GUTI.

12. The method of claim 10 , wherein the NAS transport message includes:

a non-access stratum (NAS) service accept message including the data; and

an information element (IE) including the second GUTI.

13. The method of claim 10 , wherein the NAS transport message further includes a NAS acknowledgement (ACK) request, and wherein the method further comprises:

receiving, by the core network entity from the BS, a NAS ACK in response to the NAS ACK request.

14. The method of claim 8 , wherein:

the receiving the request includes:

receiving, by the core network entity, a UE initial message including a non-access stratum (NAS) service request; and

the transmitting the message includes:

transmitting, by the core network entity to the BS, a UE context release message including the connection release indication and the second GUTI.

15. The method of claim 8 , wherein:

the receiving the request includes:

receiving, by the core network entity, a UE context resume request message; and

the transmitting the message includes:

transmitting, by the core network entity to the BS, a UE context resume response message including the connection release indication and the second GUTI.

16. A method of wireless communication, comprising:

receiving, by a base station (BS) from a user equipment (UE), a data request associated with paging;

transmitting, by the BS to a core network in response to the data request, a request associated with a service or a context resumption of the UE;

receiving, by the BS from the core network in response to the request associated with the service or the context resumption of the UE, a message including a global unique temporary identifier (GUTI) and a connection release indication; and

transmitting, by the BS to the UE, a connection release message including the GUTI.

17. The method of claim 16 , wherein:

the receiving the data request includes:

receiving, by the BS from the UE, a radio resource control (RRC) early data request message; and

the transmitting the connection release message includes:

transmitting, by the BS to the UE, a RRC early data complete message including the GUTI.

18. The method of claim 16 , wherein the receiving the message includes:

receiving, by the BS from the core network, a non-access stratum (NAS) transport message including a NAS service accept message including data associated with the paging, an information element (IE) including the GUTI, and the connection release indication.

19. The method of claim 16 , wherein:

the receiving the data request includes:

receiving, by the BS from the UE, a radio resource control (RRC) early data request message; and

the transmitting the connection release message includes:

transmitting, by the BS to the UE, a RRC connection release message including the GUTI.

20. The method of claim 16 , wherein the receiving the message includes:

receiving, by the BS from the core network in response, a UE context release message including the GUTI.

21. The method of claim 16 , wherein:

the transmitting the request includes:

transmitting, by the UE to the core network, a UE context resume request message; and

the receiving the message includes:

receiving, by the BS from the UE, a UE context resume response message including the GUTI and the connection release indication.

22. The method of claim 21 , further comprising:

receiving, by the BS from the core network, data associated with the paging for the UE,

wherein the transmitting the connection release message includes:

transmitting, by the BS to the UE, a RRC connection release message including the data and the GUTI.

23. A user equipment (UE) comprising:

a transceiver configured to:

receive, from a network, a paging associated with a mobile-terminated early data transmission (MT-EDT);

transmit a data request in response to the paging; and

receive, from the network in response to the data request, a message including:

a global unique temporary identifier (GUTI); and

at least one of data associated with the paging or a connection release indication.

24. The UE of claim 23 , wherein:

the transceiver configured to transmit the data request is further configured to:

transmit, to the network, a radio resource control (RRC) early data request message; and

the transceiver configured to receive the message is configured to:

receive, from the network, a RRC early data complete message including the data and the GUTI.

25. The UE of claim 24 , wherein the RRC early data complete message includes a non-access stratum (NAS) service accept message, and wherein the NAS service accept message includes the data and the GUTI.

26. The UE of claim 24 , wherein the RRC early data complete message includes:

a non-access stratum (NAS) service accept message including the data; and

an information element (IE) including the GUTI.

27. The UE of claim 24 , wherein the RRC early data complete message further includes a non-access stratum (NAS) acknowledgement (ACK) request, and wherein the transceiver is further configured to:

transmit, to the network, a NAS ACK in response to the NAS ACK request.

28. The UE of claim 23 , wherein:

the transceiver configured to transmit the data request is further configured to:

transmit, to the network, a radio resource control (RRC) early data request message; and

the transceiver configured to receive the message is configured to:

receive, from the network, a RRC connection release message including the connection release indication and the GUTI.

29. The UE of claim 23 , wherein:

the transceiver configured to transmit the data request is further configured to:

transmit, to the network, a radio resource control (RRC) connection resume request message; and

the transceiver configured to receive the message is configured to:

receive, from the network, a RRC connection release message including the connection release indication, the data, and the GUTI.

30. The UE of claim 23 , wherein the transceiver configured to receive the message is configured to:

receive, from the network, a radio resource control (RRC) message including the GUTI based on a non-access stratum message authentication code (NAS-MAC).