Techniques for establishing connectivity to a service-based network via a radio access network

1 . An apparatus for wireless communication at a user equipment (UE), comprising:

at least one processor; and

at least one memory coupled with the at least one processor, the at least one memory storing instructions executable by the at least one processor to cause the apparatus to:

receive, from a distributed unit associated with a first radio access technology of a radio access network (RAN), control information indicating a core network service offered by a service-based network associated with a second radio access technology, the service-based network configured to interface with the RAN;

transmit, via the first radio access technology and based at least in part on the control information, a service request indicating the core network service offered by the service-based network associated with the second radio access technology;

receive, from the distributed unit, control signaling indicating a service configuration for communicating with the core network service offered by the service-based network based at least in part on the service request, the service configuration indicating a destination associated with the core network service; and

transmit, to the distributed unit via the first radio access technology and in accordance with the service configuration, a service message comprising the destination and payload associated with the core network service, the payload in a format associated with the second radio access technology.

2 . The apparatus of claim 1 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

receive, from the distributed unit, a system information block message comprising the control information, wherein the system information block message is received via the first radio access technology.

3 . The apparatus of claim 1 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

transmit, to the distributed unit via the first radio access technology, capability signaling indicating a capability of the UE to communicate with core network services offered by the service-based network associated with the second radio access technology, wherein receiving the control information is based at least in part on the capability signaling.

4 . The apparatus of claim 1 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

establish, based at least in part on operating in a dual connectivity state, a wireless connection with a second distributed unit associated with the second radio access technology, wherein the second distributed unit is communicatively couplable to at least a second core network service offered by the service-based network; and

transmit, to the second distributed unit via the second radio access technology, a second service message comprising a second destination associated with the second core network service, the service message further comprising additional service data associated with the second core network service, the additional service data comprising an additional payload in the format associated with the second radio access technology.

5 . The apparatus of claim 4 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

receive, from the second distributed unit, second control signaling indicating a service context for communicating with the second core network service via the second radio access technology, wherein the second service message is transmitted in accordance with the service context.

6 . The apparatus of claim 1 , wherein the service request and the service message are transmitted via one or more communication layers associated with the first radio access technology, the one or more communication layers comprising a physical layer, a medium access control layer, a radio link control layer, or any combination thereof.

7 . The apparatus of claim 1 , wherein the service request, the service message, or both, are transmitted to the distributed unit for relay to the destination associated with the core network service.

8 . The apparatus of claim 1 , wherein the first radio access technology comprises a Fifth Generation (5G) radio access technology, a New Radio (NR) access technology, or both, and wherein the second radio access technology comprises a Sixth Generation (6G) radio access technology.

9 . An apparatus for wireless communication at a distributed unit configured to communicate with a user equipment (UE) via a first radio access technology, the apparatus comprising:

at least one processor; and

at least one memory coupled with the at least one processor, the at least one memory storing instructions executable by the at least one processor to cause the apparatus to:

receive a service message from a core network service offered by a service-based network associated with a second radio access technology, wherein the service-based network is configured to interface with a radio access network (RAN) associated with the first radio access technology, the service message indicating a service context associated with the second radio access technology for communications between the UE and the core network service;

determine, based at least in part on the service context associated with the second radio access technology, a service configuration for communicating with the UE via the first radio access technology; and

transmit the service message to the UE via the first radio access technology and in accordance with the service configuration, the service message comprising a payload in a format associated with the second radio access technology.

10 . The apparatus of claim 9 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

receive, from the core network service via the service message, a service configuration request for converting the service context associated with the second radio access technology to the service configuration associated with the first radio access technology, wherein determining the service configuration and transmitting the service message are based at least in part on receiving the service configuration request.

11 . The apparatus of claim 9 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

transmit, to the UE via the first radio access technology, a system information block message indicating the core network service offered by the service-based network;

receive, from the UE via the first radio access technology and based at least in part on the system information block message, a service request indicating the core network service; and

transmit the service request to a destination associated with the core network service and via the second radio access technology, wherein receiving the service message is based at least in part on transmitting the service request.

12 . The apparatus of claim 11 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

receive, from the UE via the first radio access technology, capability signaling indicating a capability of the UE to communicate with core network services offered by the service-based network associated with the second radio access technology, wherein transmitting the system information block message is based at least in part on the capability signaling.

13 . The apparatus of claim 9 , wherein the service message is received via an adaptor component of the distributed unit, wherein the adaptor component is configured to interface with the service-based network and translate communications between the first radio access technology and the second radio access technology, wherein the adaptor component comprises hardware components, software components, or both.

14 . The apparatus of claim 9 , wherein the instructions are further executable by the at least one processor to cause the apparatus to:

transmit, to the core network service, control signaling indicating application programming interface information associated with the distributed unit, wherein the service message is received via the second radio access technology in accordance with the application programming interface information.

15 . The apparatus of claim 9 , wherein the service message is transmitted via one or more communication layers associated with the first radio access technology, the one or more communication layers comprising a physical layer, a medium access control layer, a radio link control layer, or any combination thereof.

16 . The apparatus of claim 9 , wherein the first radio access technology comprises a Fifth Generation (5G) radio access technology, a New Radio (NR) access technology, or both, and wherein the second radio access technology comprises a Sixth Generation (6G) radio access technology.

17 . A method for wireless communication at a user equipment (UE), comprising:

receiving, from a distributed unit associated with a first radio access technology of a radio access network (RAN), control information indicating a core network service offered by a service-based network associated with a second radio access technology, the service-based network configured to interface with the RAN;

transmitting, via the first radio access technology and based at least in part on the control information, a service request indicating the core network service offered by the service-based network associated with the second radio access technology;

receiving, from the distributed unit, control signaling indicating a service configuration for communicating with the core network service offered by the service-based network based at least in part on the service request, the service configuration indicating a destination associated with the core network service; and

transmitting, to the distributed unit via the first radio access technology and in accordance with the service configuration, a service message comprising the destination and payload associated with the core network service, the payload in a format associated with the second radio access technology.

18 . The method of claim 17 , further comprising:

receiving, from the distributed unit, a system information block message comprising the control information, wherein the system information block message is received via the first radio access technology.

19 . The method of claim 17 , further comprising:

transmitting, to the distributed unit via the first radio access technology, capability signaling indicating a capability of the UE to communicate with core network services offered by the service-based network associated with the second radio access technology, wherein receiving the control information is based at least in part on the capability signaling.

20 . The method of claim 17 , further comprising:

establishing, based at least in part on operating in a dual connectivity state, a wireless connection with a second distributed unit associated with the second radio access technology, wherein the second distributed unit is communicatively couplable to at least a second core network service offered by the service-based network; and

transmitting, to the second distributed unit via the second radio access technology, a second service message comprising a second destination associated with the second core network service, the service message further comprising additional service data associated with the second core network service, the additional service data comprising an additional payload in the format associated with the second radio access technology.

21 . The method of claim 20 , further comprising:

receiving, from the second distributed unit, second control signaling indicating a service context for communicating with the second core network service via the second radio access technology, wherein the second service message is transmitted in accordance with the service context.

22 . The method of claim 17 , wherein the service request and the service message are transmitted via one or more communication layers associated with the first radio access technology, the one or more communication layers comprising a physical layer, a medium access control layer, a radio link control layer, or any combination thereof.

23 . The method of claim 17 , wherein the service request, the service message, or both, are transmitted to the distributed unit for relay to the destination associated with the core network service.

24 . The method of claim 17 , wherein the first radio access technology comprises a Fifth Generation (5G) radio access technology, a New Radio (NR) access technology, or both, and wherein the second radio access technology comprises a Sixth Generation (6G) radio access technology.

25 . A method for wireless communications at a distributed unit configured to communicate with a user equipment (UE) via a first radio access technology, the method comprising:

receiving a service message from a core network service offered by a service-based network associated with a second radio access technology, wherein the service-based network is configured to interface with a radio access network (RAN) associated with the first radio access technology, the service message indicating a service context associated with the second radio access technology for communications between the UE and the core network service;

determining, based at least in part on the service context associated with the second radio access technology, a service configuration for communicating with the UE via the first radio access technology; and

transmitting the service message to the UE via the first radio access technology and in accordance with the service configuration, the service message comprising a payload in a format associated with the second radio access technology.

26 . The method of claim 25 , further comprising:

receiving, from the core network service via the service message, a service configuration request for converting the service context associated with the second radio access technology to the service configuration associated with the first radio access technology, wherein determining the service configuration and transmitting the service message are based at least in part on receiving the service configuration request.

27 . The method of claim 25 , further comprising:

transmitting, to the UE via the first radio access technology, a system information block message indicating the core network service offered by the service-based network;

receiving, from the UE via the first radio access technology and based at least in part on the system information block message, a service request indicating the core network service; and

transmitting the service request to a destination associated with the core network service and via the second radio access technology, wherein receiving the service message is based at least in part on transmitting the service request.

28 . The method of claim 27 , further comprising:

receiving, from the UE via the first radio access technology, capability signaling indicating a capability of the UE to communicate with core network services offered by the service-based network associated with the second radio access technology, wherein transmitting the system information block message is based at least in part on the capability signaling.

29 . The method of claim 25 , wherein the service message is received via an adaptor component of the distributed unit, wherein the adaptor component is configured to interface with the service-based network and translate communications between the first radio access technology and the second radio access technology, wherein the adaptor component comprises hardware components, software components, or both.

30 . The method of claim 25 , further comprising:

transmitting, the core network service, control signaling indicating application programming interface information associated with the distributed unit, wherein the service message is received via the second radio access technology in accordance with the application programming interface information.