Network slice based northbound service api exposure

EP4762756A1Pending Publication Date: 2026-06-24TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Filing Date
2024-08-15
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Current 3GPP northbound APIs do not provide service API publication, discovery, and API invoker authorization based on network slices, which is crucial for customized network slices in 5G networks.

Method used

The proposed solution involves a network slice-based northbound service API exposure method, where the core function of a common API framework receives network slice information for service API publication, performs actions such as storing this information, and enables API invokers to discover and access relevant service APIs based on network slice authorization.

Benefits of technology

This approach allows network operators to provide more relevant and controlled APIs to third parties, enabling additional business use cases around network slices by ensuring accurate API exposure and access control.

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Abstract

Systems and methods are disclosed that are related to network slice based northbound service Application Programming Interface (API) exposure for a cellular communications system. In one embodiment, a method performed by a core function of a common API framework for northbound APIs in a cellular communications system 5 comprises receiving, from an API publishing function associated to an API provider, a request to publish a service API, the request comprising network slice information for the service API. With such network slice based API exposure, the network operator can provide more relevant and controlled API to 3rd party, e.g., to enable more business use cases around network slices.
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