US-12621634-B2 - Update service operation for short message service (SMS) service

US12621634B2US 12621634 B2US12621634 B2US 12621634B2US-12621634-B2

Abstract

Apparatuses and methods tor an update service operation tor short message service, SMS, service are disclosed. In one embodiment, a method implemented in access and mobility management function, AMF, node (S 104 ) includes performing an update service operation with a short message service function, SMSF, node to add or remove a first user equipment, UE, context information associated to a first access type, the update service operation indicating to the SMSF node the first access type to add or remove. In some embodiment, a method implemented in a short message service function, SMSF, node (S 106 ) includes performing an update service operation with an access and mobility management, AMF, node to add or remove a first user equipment, UE, context information associated to a first access type, the update service operation indicating to the SMSF node the first access type to add or remove.

Inventors

Yunjie Lu
George Foti
Shabnam Sultana
Qian Chen

Assignees

TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Dates

Publication Date: 20260505
Application Date: 20210628

Claims (12)

1 . A method implemented in an access and mobility management, AMF, node, the method comprising: performing a first update service operation with a short message service function, SMSF, node to add a first user equipment, UE, context information associated to a first access type, the first update service operation indicating to the SMSF node the first access type to add when the UE registers in the first access type; performing a second update service operation with a short message service function, SMSF, node to add a second UE context information associated to a second access type, the second update service operation indicating to the SMSF node the second access type to add when the UE registers in the second access type; and when the UE deregisters from the first access type, performing a third update service operation to delete the first UE context information associated to the first access type, the third update service operation indicates to the SMSF node the first access type to remove while maintaining the second context information associated to the second access type.
2 . The method of claim 1 , wherein the performing the first update service operation comprises sending a short message service, SMS, service message to the SMSF node, the SMS service message comprising an indication of the first access type to add.
3 . The method of claim 1 , wherein one or more of: the performing of the first update service operation comprises sending a short message service, SMS, service activate message to add the first UE context information associated to the first access type; the performing of the second update service operation comprises sending a short message service, SMS, service activate message to add the second UE context information associated to the second access type; and the performing of the third update service operation comprises sending a short message service, SMS, service update message to remove the first UE context information associated to the first access type.
4 . The method of claim 1 , wherein the first update service operation indicates to the SMSF node further information to add to the first UE context information associated to the first access type.
5 . The method of claim 4 , wherein the further information comprises at least one of a Time Zone, a routing indicator and a unified data management, UDM, group identifier for the UE that is to be added in the first UE context information associated to the first access type.
6 . A method implemented in a short message service function, SMSF, node, the method comprising: performing a service operation with an access and mobility management, AMF, node to add or remove a first user equipment, UE, context information associated to a first access type, the service operation indicating to the SMSF node the first access type to add or remove; and add or delete the first user equipment, UE context information associated to the first access type without deleting an existing second UE context information associated with a second access type.
7 . The method of claim 6 , wherein the performing the service operation comprises receiving a short message service, SMS, service message from the AMF node, the SMS service message comprising an indication of the first access type to add or remove.
8 . The method of claim 6 , wherein performing the update service operation comprises: receiving a short message service, SMS, service activate message to add the first UE context information associated to the first access type; or receiving a short message service, SMS, service deactivate message to remove the first UE context information associated to the first access type; or receiving a short message service, SMS, service update message to add or remove the first UE context information associated to the first access type.
9 . The method of claim 6 , wherein the service operation requests the SMSF node to add further information from the first UE context information associated to the first access type.
10 . The method of claim 9 , wherein the further information comprises at least one of a Time Zone, a routing indicator and a unified data management, UDM, group identifier for the UE that is to be added in the first UE context information associated to the first access type.
11 . A system comprising: an access and mobility management, AMF, node configured to perform a service operation with a short message service function, SMSF, node to: add a first user equipment, UE, context information associated to a first access type, the service operation indicating to the SMSF node the first access type to add when the UE registers in the first access type; or delete the first user equipment, UE, context information associated to the first access type, the service operation indicating to the SMSF node the first access type to remove when the UE deregisters from the first access type; and a short message service function, SMSF, node configured to: perform the service operation with the access and mobility management, AMF, node to add or remove the first user equipment, UE, context information associated to the first access type, the service operation indicating to the SMSF node the first access type to add or remove; and add or delete the first user equipment, UE, context information associated to the first access type without deleting an existing second UE context information associated with a second access type.
12 . The system of claim 11 wherein the AMF node and the SMSF node performing the service operation further comprises the AMF node being configured to: send a short message service, SMS, service activate message to add the first UE context information associated to the first access type; or send a short message service, SMS, service deactivate message to remove the first UE context information associated to the first access type; or send a short message service, SMS, service update message to add or remove the first UE context information associated to the first access type, and the SMSF node being configured to: receive the short message service, SMS, service activate message to add the first UE context information associated to the first access type; or receive the short message service, SMS, service deactivate message to remove the first UE context information associated to the first access type; or receive a short message service, SMS, service update message to add or remove the first UE context information associated to the first access type.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a Submission Under 35 U.S.C. § 371 for U.S. National Stage Patent Application of International Application No.: PCT/IB2021/055773, filed Jun. 28, 2021 entitled “UPDATE SERVICE OPERATION FOR SHORT MESSAGE SERVICE (SMS) SERVICE,” which claims priority to U.S. Provisional Application No. 63/045,471, filed Jun. 29, 2020, entitled “SERVICE OPERATION FOR SHORT MESSAGE SERVICE (SMS) SERVICE,” the entireties of both of which are incorporated herein by reference. TECHNICAL FIELD The present disclosure relates to wireless communication and in particular, methods and apparatuses for an update service operation for short message service (SMS) service. BACKGROUND The short message service (SMS) service is supported in the 3rd Generation Partnership Project (3GPP) 5th Generation System (5GS) and documented in, for example, 3GPP Technical Specification (TS) 23.501/23.502. The FIG. 1 flow diagram shows an example of UE registration for SMS in an example system 10 that includes a user equipment (UE) 12, a unified data management (UDM) 14, an access and mobility management function (AMF) 16 and a short message service function (SMSF) 18. In step 1, when a UE 12 registers to an AMF 16, the AMF 16 can register to a SMSF 18 for short message service (SMS) over a non-access stratum (NAS) service authorization, as shown in steps 2-5. Then, the SMSF 18 may in turn register to a UDM 14, as shown in FIGS. 6-8. In step 9, the AMF 16 sends a registration accept message to the UE 12. References to figures in FIG. 1, refer to the figures in 3GPP TS 23.502 SUMMARY Some embodiments advantageously provide methods and apparatuses for an update service operation for SMS service. In one embodiment, a method implemented in access and mobility management function (AMF) node includes sending an update service operation message to a short message service function (SMSF) node to update, for a first access type, user equipment (UE) context information for a short message service (SMS) service. In some embodiment, a method implemented in a short message service function (SMSF) node includes receiving an update service operation message, the update service response message requesting to update, for a first access type, user equipment (UE) context information for a short message service (SMS) service. According to an aspect of some embodiments of the present disclosure, a method implemented in an access and mobility management, AMF, node is provided. The method includes performing an update service operation with a short message service function, SMSF, node to add or remove a first user equipment, UE, context information associated to a first access type, the update service operation indicating to the SMSF node the first access type to add or remove. In some embodiments of this aspect, the performing the update service operation comprises sending a short message service, SMS, service message to the SMSF node, the SMS service message comprising an indication of the first access type to add or remove. In some embodiments of this aspect, sending the SMS service message comprises sending a short message service, SMS, service activate message to add the first UE context information associated to the first access type; sending a short message service, SMS, service de-activate message to remove first the UE context information associated to the first access type; and sending a short message service, SMS, service update message to add or remove first the UE context information associated to the first access type. In some embodiments of this aspect, performing the update service operation to remove the first UE context information associated to the first access type comprises while a user equipment, UE, is registered at the AMF node for a short message service, SMS, service over the first access type and over a second access type, sending a SMS service message indicating the first access type to request the SMSF node to remove the first UE context information associated to the first access type and the UE, while maintaining at the SMSF node a second UE context information associated to the second access type and the UE. In some embodiments of this aspect, performing the update service operation to remove the first UE context information associated to the first access type is as a result of at least one of: the UE indicating to the AMF node to discontinue use of the SMS service over the first access type; the UE being deregistered on the first access type; and receiving a deregistration notification associated with the UE from a unified data management, UDM, node for the first access type. In some embodiments of this aspect, performing the update service operation to add the first UE context information associated to the first access type comprises: while a user equipment, UE, is registered at the AMF node for a short message service, SMS, service over a second access type, sending a SMS service messag