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EP-4736540-A1 - SYSTEM AND METHOD FOR PROVIDING NRF SUPPORT IN A NETWORK

EP4736540A1EP 4736540 A1EP4736540 A1EP 4736540A1EP-4736540-A1

Abstract

The present disclosure provides a method (600) for providing network repository function (NRF) support for cross public land mobile network (PLMN) network function (NF) in a network (106). The method comprises receiving (602), at a serving NRF, a request from a NF. The method comprises extracting (604) one or more parameters from the received request. The method comprises identifying (606) one or more parameters in a database. The method is responsive to identifying and determining (608) if the received request belongs to the serving NRF or a home NRF. The method comprising responsive to the determining, registering (610) the NF to the serving NRF or to the home NRF; and communicating (612) a response message to the NF after the registration.

Inventors

  • BHATNAGAR, AAYUSH
  • Shetty, Mukta
  • Jha, Alok
  • KUMAR, SANJEEV
  • Kalavadiya, Milankumar
  • Joshi, Yugandhara
  • Khamesra, Apoorva
  • GUPTA, ADITYA

Assignees

  • Jio Platforms Limited

Dates

Publication Date
20260506
Application Date
20240606

Claims (16)

  1. 1. A method (600) for providing network repository function (NRF) support for cross public land mobile network (PLMN) network function (NF) in a network (106), the method comprising: receiving (602), at a serving NRF, a request from the NF; extracting (604) one or more parameters from the received request; identifying (606) the one or more parameters in a database (210); responsive to the identifying, determining (608) if the received request belongs to the serving NRF or a home NRF; responsive to the determining, registering (610), by a registration engine (212) the NF to the serving NRF if the received request belongs to the serving NRF or registering the NF to the home NRF if the received request belongs to the home NRF; and communicating (612) a response message to the NF responsive to the registration.
  2. 2. The method (600) as claimed in claim 1, wherein the one or more parameters include at least one of a type of NF (NFType) and a PLMN identifier (ID).
  3. 3. The method (600) as claimed in claim 1, further comprising determining an address of the home NRF based on the one or more extracted parameters from the received request.
  4. 4. The method (600) as claimed in claim 3, further comprising routing the received request to the home NRF based on the determined address.
  5. 5. The method (600) as claimed in claim 1 , further comprising rej ecting the received request when the one or more extracted parameters are not identified in the database (210).
  6. 6. The method (600) as claimed in claim 5, further comprising communicating an error message to the NF responsive to the rejection of the received request.
  7. 7. The method (600) as claimed in claim 1, wherein the serving NRF and the home NRF are served by a different geographical location.
  8. 8. A system (108) for providing network repository function (NRF) support for cross public land mobile network (PLMN) network function (NF) in a network (106), the system comprising: a receiving unit (202) configured for receiving, at a serving NRF, a request from the NF; a database (210) configured to store the request; a processing unit (208) coupled to the receiving unit (202) and the database (210) and configured for receiving the request from the database (210); the processing unit (208) further configured to: extract one or more parameters from the received request; identify the one or more parameters in the database (210); responsive to the identifying, determine if the received request belongs to the serving NRF or a home NRF; responsive to the determining, register the NF to the serving NRF if the received request belongs to the serving NRF or register the NF to the home NRF if the received request belongs to the home NRF the NF to the serving NRF or to the home NRF; and communicate a response message to the NF responsive to the registration.
  9. 9. The system (108) as claimed in claim 8, wherein the one or more parameters include at least one of a type of NF (NFType) and a PLMN identifier (ID).
  10. 10. The system (108) as claimed in claim 8, further configured for determining an address of the home NRF based on the one or more extracted parameters from the received request.
  11. 11. The system (108) as claimed in claim 10, further configured for routing the received request to the home NRF based on the determined address.
  12. 12. The system (108) as claimed in claim 8, further configured for rejecting the received request when the one or more extracted parameters are not identified in the database (210).
  13. 13. The system (108) as claimed in claim 12, further configured for communicating an error message to the NF responsive to the rejection of the received request.
  14. 14. The system (108) as claimed in claim 8, wherein the serving NRF and the home NRF are served by a different geographical location.
  15. 15. A user equipment (UE) (104) communicatively coupled with a network (106), the coupling comprises steps of: receiving, by the network (106), a connection request from the UE (104); sending, by the network (106), an acknowledgment of the connection request to the UE (104); and transmitting a plurality of signals in response to the connection request, wherein the network (106) is configured for performing a method for providing network repository function (NRF) support for cross public land mobile network (PLMN) network function (NF) as claimed in claim 1.
  16. 16. A computer program product comprising a non-transitory computer-readable medium comprising instructions that, when executed by one or more processors, cause the one or more processors to perform a method (600) for providing network repository function (NRF) support for cross public land mobile network (PLMN) network function (NF) in a network (106), the method comprising: receiving (602), at a serving NRF, a request from the NF; extracting (604) one or more parameters from the received request; identifying (606) the one or more parameters in a database (210); responsive to the identifying, determining (608) if the received request belongs to the serving NRF or a home NRF; responsive to the determining, registering (610) the NF to the serving NRF if the received request belongs to the serving NRF or registering the NF to the home NRF if the received request belongs to the home NRF; and communicating (612) a response message to the NF after the registration.

Description

SYSTEM AND METHOD FOR PROVIDING NRF SUPPORT IN A NETWORK RESERVATION OF RIGHTS [001] A portion of the disclosure of this patent document contains material, which is subject to intellectual property rights such as, but are not limited to, copyright, design, trademark, integrated circuit (IC) layout design, and/or trade dress protection, belonging to Jio Platforms Limited ( JPL) or its affiliates (herein after referred as owner). The owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent files or records, but otherwise reserves all rights whatsoever. All rights to such intellectual property are fully reserved by the owner. TECHNICAL FIELD [002] The present disclosure relates to a field of Network Repository Function (NRF) in a wireless network, and specifically to a system and a method for providing NRF support for cross Public Land Mobile Network (PLMN) Network Function (NF) in a wireless network. BACKGROUND [003] The following description of related art is intended to provide background information pertaining to the field of the disclosure. This section may include certain aspects of the art that may be related to various features of the present disclosure. However, it should be appreciated that this section be used only to enhance the understanding of the reader with respect to the present disclosure, and not as admissions of prior art. [004] Wireless communication technology has rapidly evolved over the past few decades. The first generation of wireless communication technology was analog technology that offered only voice services. Further, when the second- generation (2G) technology was introduced, text messaging and data services became possible. The 3G technology marked the introduction of high-speed internet access, mobile video calling, and location-based services. The fourth generation (4G) technology revolutionized the wireless communication with faster data speeds, improved network coverage, and security. Currently, the fifth generation (5G) technology is being deployed, with even faster data speeds, low latency, and the ability to connect multiple devices simultaneously. [005] As wireless technologies are advancing, there is a need to cope with the 5G requirements and deliver a high level of service to the users. In 5G network functions (NFs) are the fundamental building blocks of a telecommunications network. They are software-based entities responsible for specific tasks or services within the network architecture. Each NF performs a specific function or set of functions to enable communication services, manage network resources, ensure security, and facilitate data transmission. Generally, as a part of 5G core network deployment strategy, some of the NFs such as Location management function (LMF), Gateway Mobile Location Centre (GMLC), Network Exposure Function (NEF), Network Data Analytics Function (NWDAF) and Security Edge Protection Proxy (SEPP) may be deployed in limited super cores (e.g., central business districts or downtown areas within cities that serve as the primary hubs for economic, commercial, and cultural activities). However, the NFs may be required to support across Public Land Mobile Network (PLMN) traffic. For example, LMF, GMLC and NEF may be deployed in four super cores (e.g., city 1, city 2, city 3, and city 4 ) but these NFs (LMF, GMLC, NEF) deployed at the city 1 location may also need to cater to traffic from a different city such as a city 5 location and similar case for other super core locations as well. This poses unique challenge as these NFs may not be registering in cross PLMN Network Repository Function (NRFs) that are responsible for managing and distributing network data such as slice information, service profiles, and policies. For example, city 1 LMF may only register in city 1 NRF but not in city 5 NRF although it may also serve traffic for NF in city 5 PLMNs. [006] There is, therefore, a need in the art to improve the state of providing NRF support for cross-PLMN NFs in the wireless network by overcoming the deficiencies of the prior arts. OBJECTS OF THE PRESENT DISCLOSURE [007] It is an object of the present disclosure to provide a system to provide Network Repository Function (NRF) support for cross-Public Land Mobile Network (PLMN) Network Function (NF) in a wireless network. [008] It is an object of the present disclosure to support NF registration with PLMN list in addition to PLMN currently served by NRF. [009] It is an object of the present disclosure to support static routing based on a combination of NFType and PLMN (individual or list entries) for various services. DEFINITION [0010] As used in the present disclosure, the following terms are generally intended to have the meaning as set forth below, except to the extent that the context in which they are used to indicate otherwise. [0011] The term LMF as used herein, refers to loc