WO2025008871A1 - Procédé et système de routage d'une demande d'enregistrement dans réseau de communication - Google Patents

Procédé et système de routage d'une demande d'enregistrement dans réseau de communication Download PDF

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Publication number
WO2025008871A1
WO2025008871A1 PCT/IN2024/050741 IN2024050741W WO2025008871A1 WO 2025008871 A1 WO2025008871 A1 WO 2025008871A1 IN 2024050741 W IN2024050741 W IN 2024050741W WO 2025008871 A1 WO2025008871 A1 WO 2025008871A1
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Prior art keywords
network node
identifier
test
smf
registration request
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PCT/IN2024/050741
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English (en)
Inventor
Mukesh Singh
Aayush Bhatnagar
Fenil NATALI
Koushik Mukherjee
Jim EDAKKARA
Arpita Jaywant Ghag
Dipanjan BHATTACHARYA
Sandeep Kumar
Harbinder Pal Singh
Birendra Singh Bisht
Durgesh RAJESH
Venkatakrishna Banka
Sunny DEVAL
Dilip BEHERA
Neha RAJU
Santosh GOURH
Pradeep Kumar
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Jio Platforms Ltd
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Jio Platforms Ltd
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Publication of WO2025008871A1 publication Critical patent/WO2025008871A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data

Definitions

  • Embodiments of the present disclosure generally relate to network performance management systems. More particularly, embodiments of the present disclosure relate to methods and systems for routing a registration request in a communication network.
  • Wireless communication technology has rapidly evolved over the past few decades, with each generation bringing significant improvements and advancements.
  • the first generation of wireless communication technology was based on analog technology and offered only voice services.
  • 2G second-generation
  • 3G technology marked the introduction of high-speed internet access, mobile video calling, and location-based services.
  • 4G fourth-generation
  • 5G fifth-generation
  • wireless communication technology has become more advanced, sophisticated, and capable of delivering more services to its users.
  • An aspect of the present disclosure may relate to a method for routing a registration request in a communication network.
  • the method comprise steps of receiving, at the network node, from a user equipment (UE), the registration request for establishment of a connection between the UE and a target network node from a plurality of target network nodes, where the registration request comprises an identifier associated with the UE. Further, the method comprise steps of analysing, by the network node, the identifier to determine a category of the identifier. Further, the method comprise steps of determining, by the network node, the target network node from the plurality of target network nodes based on the category of the identifier. Furthermore, the method comprises steps of routing, by the network node, the registration request to the target network node.
  • UE user equipment
  • the network node is an Access and Mobility Management Function (AMF).
  • AMF Access and Mobility Management Function
  • the plurality of target network nodes comprises a test Session Management Function (SMF) and a non-test SMF.
  • SMF Session Management Function
  • the identifier is Subscriber Permanent Identifier (SUPI), and wherein the category of the identifier comprises a test SUPI and a non-test SUPI
  • SUPI Subscriber Permanent Identifier
  • the method further comprises routing the registration request to the test SMF when the category of the identifier is the test SUPI.
  • the test SMF is one of a newly deployed SMF and an upgraded SMF, wherein the test SMF is deployed in a 5G core network to handle live user traffic after passing through at least one network testing procedure.
  • the method further comprises transmitting, via the network node, a connection acknowledgement to the UE, in an event of successful registration of the UE with the target network node.
  • the present disclosure may relate to a network node for routing a registration request in a communication network.
  • the present disclosure encompasses a network node.
  • the network node further incorporates a receiving unit, configured to receive, from a user equipment (UE), a registration request for establishment of a connection between the UE and a target network node from a plurality of target network nodes, where the registration request comprises, an identifier associated with the UE.
  • the network node further incorporates a processing unit at least connected to the receiving unit, configured to, analyze the identifier to determine a category of the identifier, and determine the target network node from the plurality of target network nodes based on the category of the identifier.
  • the network node incorporates a network routing unit at least connected to the processing unit, configured to route the registration request to the target network node.
  • Yet another aspect of the present disclosure may relate to a non-transitory computer readable storage medium storing instructions for routing a registration request in a communication network
  • the instructions include executable code which, when executed by one or more units of a network node, causes: a receiving unit to receive, from a user equipment (UE), a registration request for establishment of a connection between the UE and a target network node from a plurality of target network nodes, where the registration request comprises an identifier associated with the UE; a processing unit, configured to analyse the identifier to determine a category of the identifier, and determine the target network node from the plurality of target network nodes based on the category of the identifier; and the a network routing unit, configured to route the registration request to the target network node.
  • UE user equipment
  • Yet another aspect of the present disclosure may relate to a user equipment (UE) for routing a registration request in a communication network comprising a memory, and a processor coupled to the memory, the processor configured to: transmit, to a network node, a request for establishing a connection between the UE and a target network node, and receive, from the network node, a connection establishment acknowledgement associated with the request, wherein the connection establishment acknowledgement is received based on: analysing, by the network node, the identifier to determine a category of the identifier, based on the category of the identifier, determining, by the network node, the target network node from the plurality of target network nodes, and routing, by the network node, the registration request to the target network node.
  • UE user equipment
  • FIG. 1 illustrates an exemplary block diagram representation of 5 th Generation Core (5GC) network architecture
  • Figure 2 illustrates an exemplary block diagram of a computing device upon which the features of the present disclosure may be implemented in accordance with exemplary implementation of the present disclosure
  • Figure 3 illustrates an exemplary block diagram of a network node for routing a registration request in a communication network, in accordance with exemplary implementations of the present disclosure
  • Figure 4 illustrates a method flow diagram for routing a registration request in a communication network in accordance with exemplary implementations of the present disclosure.
  • exemplary and/or “demonstrative” is used herein to mean serving as an example, instance, or illustration.
  • the subject matter disclosed herein is not limited by such examples.
  • any aspect or design described herein as “exemplary” and/or “demonstrative” is not necessarily to be construed as preferred or advantageous over other aspects or designs, nor is it meant to preclude equivalent exemplary structures and techniques known to those of ordinary skill in the art.
  • the terms “includes,” “has,” “contains,” and other similar words are used in either the detailed description or the claims, such terms are intended to be inclusive — in a manner similar to the term “comprising” as an open transition word — without precluding any additional or other elements.
  • a “processing unit” or “processor” or “operating processor” includes one or more processors, wherein processor refers to any logic circuitry for processing instructions.
  • a processor may be a general-purpose processor, a special purpose processor, a conventional processor, a digital signal processor, a plurality of microprocessors, one or more microprocessors in association with a Digital Signal Processing (DSP) core, a controller, a microcontroller, Application Specific Integrated Circuits, Field Programmable Gate Array circuits, any other type of integrated circuits, etc.
  • DSP Digital Signal Processing
  • the processor may perform signal coding data processing, input/output processing, and/or any other functionality that enables the working of the system according to the present disclosure. More specifically, the processor or processing unit is a hardware processor.
  • a user equipment may be any electrical, electronic and/or computing device or equipment, capable of implementing the features of the present disclosure.
  • the user equipment/device may include, but is not limited to, a mobile phone, smart phone, laptop, a general-purpose computer, desktop, personal digital assistant, tablet computer, wearable device or any other computing device which is capable of implementing the features of the present disclosure.
  • the user device may contain at least one input means configured to receive an input from unit(s) which are required to implement the features of the present disclosure.
  • storage unit or “memory unit” refers to a machine or computer-readable medium including any mechanism for storing information in a form readable by a computer or similar machine.
  • a computer-readable medium includes read-only memory (“ROM”), random access memory (“RAM”), magnetic disk storage media, optical storage media, flash memory devices or other types of machine-accessible storage media.
  • the storage unit stores at least the data that may be required by one or more units of the system to perform their respective functions.
  • interface refers to a shared boundary across which two or more separate components of a system exchange information or data.
  • the interface may also be referred to a set of rules or protocols that define communication or interaction of one or more modules or one or more units with each other, which also includes the methods, functions, or procedures that may be called.
  • All modules, units, components used herein, unless explicitly excluded herein, may be software modules or hardware processors, the processors being a general-purpose processor, a special purpose processor, a conventional processor, a digital signal processor (DSP), a plurality of microprocessors, one or more microprocessors in association with a DSP core, a controller, a microcontroller, Application Specific Integrated Circuits (ASIC), Field Programmable Gate Array circuits (FPGA), any other type of integrated circuits, etc.
  • DSP digital signal processor
  • ASIC Application Specific Integrated Circuits
  • FPGA Field Programmable Gate Array circuits
  • the transceiver unit include at least one receiver and at least one transmitter configured respectively for receiving and transmitting data, signals, information or a combination thereof between units/components within the system and/or connected with the system.
  • the present disclosure aims to overcome the above-mentioned and other existing problems in this field of technology by providing method and system of routing a registration request in a communication network.
  • the present disclosure involves a User Equipment (UE) sending a registration request to a network node, specifically an Access and Mobility Management Function (AMF).
  • the request includes a unique identifier, known as the Subscriber Permanent Identifier (SUPI), which is further categorized as a test SUPI or a non-test SUPI.
  • SUPI Subscriber Permanent Identifier
  • the network node analyzes the SUPI to determine the category of SUPI and based on the category of SUPI, determines the target network node from a plurality of nodes, which include a test Session Management Function (SMF) and a non-test SMF.
  • the registration request is then routed to the appropriate SMF. If the SUPI is a test SUPI, the request is routed to a test SMF, which may conclude a newly deployed or upgraded SMF in a 5G core network. If the SUPI is a non-test SUPI, the request is routed to a non-test SMF.
  • SMF Session Management Function
  • the system and method disclosed ensures that the UE is connected to the most suitable network node, for facilitating efficient network operation and enhancing user experience.
  • FIG. 1 illustrates an exemplary block diagram representation of 5 th generation core (5GC) network architecture, in accordance with exemplary implementation of the present disclosure.
  • the 5GC network architecture [100] includes a user equipment (UE) [102], a radio access network (RAN) [104], an access and mobility management function (AMF) [106], a Session Management Function (SMF) [108], a Service Communication Proxy (SCP) [110], an Authentication Server Function (AUSF) [112], a Network Slice Specific Authentication and Authorization Function (NSSAAF) [114], a Network Slice Selection Function (NSSF) [116], a Network Exposure Function (NEF) [118], a Network Repository Function (NRF) [120], a Policy Control Function (PCF) [122], a Unified Data Management (UDM) [124], an application function (AF) [126], a User Plane Function (UPF) [128], a data network (DN) [130], wherein all the components are assumed to be connected to each other in
  • Radio Access Network (RAN) [104] is the part of a mobile telecommunications system that connects user equipment (UE) [102] to the core network (CN) and provides access to different types of networks (e.g., 5G network). It consists of radio base stations and the radio access technologies that enable wireless communication.
  • Access and Mobility Management Function [106] is a 5G core network function responsible for managing access and mobility aspects, such as UE registration, connection, and reachability. It also handles mobility management procedures like handovers and paging.
  • Session Management Function [108] is a 5G core network function responsible for managing session-related aspects, such as establishing, modifying, and releasing sessions. It coordinates with the User Plane Function (UPF) for data forwarding and handles IP address allocation and QoS enforcement.
  • UPF User Plane Function
  • Service Communication Proxy [110] is a network function in the 5G core network that facilitates communication between other network functions by providing a secure and efficient messaging service. It acts as a mediator for service-based interfaces.
  • AUSF Authentication Server Function
  • NSSAAF Network Slice Specific Authentication and Authorization Function
  • Network Slice Selection Function [116] is a network function responsible for selecting the appropriate network slice for a UE based on factors such as subscription, requested services, and network policies.
  • Network Exposure Function [118] is a network function that exposes capabilities and services of the 5G network to external applications, enabling integration with third-party services and applications.
  • Network Repository Function (NRF) [120] is a network function that acts as a central repository for information about available network functions and services. It facilitates the discovery and dynamic registration of network functions.
  • PCF Policy Control Function
  • Unified Data Management [124] is a network function that centralizes the management of subscriber data, including authentication, authorization, and subscription information.
  • Application Function [126] is a network function that represents external applications interfacing with the 5G core network to access network capabilities and services.
  • UPF User Plane Function
  • DN Data Network
  • UE user equipment
  • DN Data Network
  • Figure 2 illustrates an exemplary block diagram of a computing device [200] (or referred herein as computer system [200]) upon which the features of the present disclosure may be implemented in accordance with exemplary implementation of the present disclosure.
  • the computing device [200] may also implement a method for routing a registration request in a communication network utilising the system.
  • the computing device [200] itself implements the method for routing a registration request in a communication network using one or more units configured within the computing device [200], wherein said one or more units are capable of implementing the features as disclosed in the present disclosure.
  • the computing device [200] may include a bus [202] or other communication mechanism for communicating information, and a hardware processor [204] coupled with bus [202] for processing information.
  • the hardware processor [204] may be, for example, a general-purpose microprocessor.
  • the computer system [200] may also include a main memory [206], such as a random-access memory (RAM), or other dynamic storage device, coupled to the bus [202] for storing information and instructions to be executed by the processor [204] .
  • the main memory [206] also may be used for storing temporary variables or other intermediate information during execution of the instructions to be executed by the processor [204] .
  • Such instructions when stored in non-transitory storage media accessible to the processor [204], render the computer system [200] into a special-purpose machine that is customized to perform the operations specified in the instructions.
  • the computer system [200] further includes a read only memory (ROM) [208] or other static storage device coupled to the bus [202] for storing static information and instructions for the processor [204] .
  • ROM read only memory
  • a storage device [210] such as a magnetic disk, optical disk, or solid-state drive is provided and coupled to the bus [202] for storing information and instructions.
  • the computer system [200] may be coupled via the bus [202] to a display [212], such as a cathode ray tube (CRT), Liquid crystal Display (LCD), Light Emitting Diode (LED) display, Organic LED (OLED) display, etc. for displaying information to a computer user.
  • An input device [214] including alphanumeric and other keys, touch screen input means, etc.
  • a cursor controller [216] such as a mouse, a trackball, or cursor direction keys, for communicating direction information and command selections to the processor [204], and for controlling cursor movement on the display [212].
  • This input device typically has two degrees of freedom in two axes, a first axis (e.g., x) and a second axis (e.g., y), that allow the device to specify positions in a plane.
  • the computer system [200] may implement the techniques described herein using customized hard-wired logic, one or more ASICs or FPGAs, firmware and/or program logic which in combination with the computer system [200] causes or programs the computer system [200] to be a special -purpose machine.
  • the techniques herein are performed by the computer system [200] in response to the processor [204] executing one or more sequences of one or more instructions contained in the main memory [206] .
  • Such instructions may be read into the main memory [206] from another storage medium, such as the storage device [210], Execution of the sequences of instructions contained in the main memory [206] causes the processor [204] to perform the process steps described herein.
  • hard-wired circuitry may be used in place of or in combination with software instructions.
  • the computer system [200] also may include a communication interface [218] coupled to the bus [202],
  • the communication interface [218] provides a two-way data communication coupling to a network link [220] that is connected to a local network [222].
  • the communication interface [218] may be an integrated services digital network (ISDN) card, cable modem, satellite modem, or a modem to provide a data communication connection to a corresponding type of telephone line.
  • the communication interface [218] may be a local area network (LAN) card to provide a data communication connection to a compatible LAN.
  • LAN local area network
  • Wireless links may also be implemented.
  • the communication interface [218] sends and receives electrical, electromagnetic or optical signals that carry digital data streams representing various types of information.
  • the computer system [200] can send messages and receive data, including program code, through the network(s), the network link [220] and the communication interface [218],
  • a server [230] might transmit a requested code for an application program through the Internet [228], the ISP [226], the local network [222], the host [224] and the communication interface [218],
  • the received code may be executed by the processor [204] as it is received, and/or stored in the storage device [210], or other non-volatile storage for later execution.
  • system [300] for routing a registration request in a communication network, is shown, in accordance with the exemplary implementations of the present disclosure.
  • the system [300] may be implemented as a network node [302] .
  • the system [300] may be implemented as or within the computer system [200] explained in conjunction with Figure 2.
  • the system [300] may be in communication with a User Equipment, also referred to as UE.
  • UE User Equipment
  • Examples of such User Equipment (UE) may include, but are not limited to, a personal computer (PC), a mobile device, a tablet, or similar devices known in the state of the art.
  • PC personal computer
  • the system [300] may be in communication with additional network entities other than those depicted in Figure 3. Such network entities have been not depicted and explained for the sake of brevity, and would be well understood by a person skilled in the art.
  • the system [300] comprises at least one receiving unit [304], at least one processing unit [306], at least one network routing unit [308], at least one test Session Management Function (SMF) [310] and, at least one non-test Session Management Function (SMF) [310a].
  • all of the components/ units of the system [300] are assumed to be connected to each other unless otherwise indicated below. As shown in the figure 3, all units shown within the system [300] should also be assumed to be connected to each other. Also, in Figure 3, only a few units are shown, however, the system [300] may comprise multiple such units or the system [300] may comprise any such numbers of said units, as required to implement the features of the present disclosure.
  • system [300] may reside in a server or a network. In another implementation, the system [300] may reside partly in the server or network and partly in the user device.
  • the system [300] is configured for routing a registration request in a communication network, with the help of the interconnection between the components/units of the system [300],
  • the network node [302] incorporates a a receiving unit [304], configured to receive, from a user equipment (UE), a registration request for establishment of a connection between the UE and a target network node [302] from a plurality of target network nodes, where the registration request comprises, an identifier associated with the UE.
  • the network node [302] is an Access and Mobility Management Function (AMF).
  • AMF Access and Mobility Management Function
  • the system [300] mentioned here facilitates a connection between the UE and the network node [302], via the receiving unit [304] at the network node [302], Further, for establishing a connection in between the UE and network node [302], a registration request is sent to the network node [302] .
  • the registration request as mentioned includes an identifier that is linked with the UE and is transferred to the receiving unit [304] in a plurality of data packets.
  • the identifier mentioned here may include a special identity for separating one UE from multiple UE that may present around, in a network.
  • the receiving unit [304] at the network node [302] receives this registration request and further transmits the information within the registration request to one or more units present at the network node [302], It is to be noted that the receiving unit [304] mentioned here, is a processor or a combination of processors that are tasked for transmitting/ receiving one or more set of instructions as per requirement.
  • the network node [302] mentioned here is an Access and Mobility Management Function (AMF), where the AMF is one of a target network node from the plurality of network nodes.
  • AMF Access and Mobility Management Function
  • the network node [302] includes any other necessary node that may be obvious to the person skilled in the art for implementing the solution as disclosed herein.
  • the AMF in the network node [302] is responsible for managing the access of the UE with the network, primarily during a case of mobility of UE from one location to another.
  • the AMF manages the access of UE in a manner that any case of loss of connection or disruption is eliminated at the UE during the mobility.
  • the UE then sends a registration request to the receiving unit [304] at the network node [302], here an AMF. Further, the receiving unit [304] subsequent to receiving the registration request, further sends the registration request to one or more units, linked with the receiving unit [304] for further processing.
  • the network node [302] further incorporates a processing unit [306] connected at least with the receiving unit [304], configured to analyze the identifier to determine a category of the identifier.
  • the identifier is Subscriber Permanent Identifier (SUPI), and wherein the category of the identifier comprises a test SUPI and a non-test SUPI.
  • SUPI Subscriber Permanent Identifier
  • the receiving unit [304] as mentioned transfers the received registration request to the processing unit [306],
  • the processing unit [306] posts receiving the registration request, extracts the information (here ‘identifier’) from the registration request.
  • the identifier received at the processing unit [306] is the Subscriber Permanent Identifier (SUPI).
  • the SUPI mentioned here may include an International Mobile Equipment Identity (IMEI) for identification of the UE from other UE’s in the network cluster. It is to be noted that the SUPI may include further information other than the IMEI, for the identification and managing of the UE.
  • IMEI International Mobile Equipment Identity
  • processing unit [306] is referred to a processor or a combination of processors that are configured to process/ execute one or more set of instructions/ commands, as per requirements.
  • the processing unit [306] further processes the SUPI to determine the category of the SUPI.
  • the category of the SUPI is referred to a test SUPI and a non-test SUPI.
  • the test SUPI refers to an identifier of a UE that is being used for testing the functionality and performance of the UE in the network.
  • the non-test SUPI is referred to the identifier of the UE that are used by a user in live network, by the users.
  • the processing unit [306] works differently based on the category of the identifier, such as in case the processing unit [306] recognizes the identifier as a test SUPI, then the processing unit [306] will work accordingly, and further if the processing unit [306] recognizes the identifier as a non-test SUPI, then the processing unit [306] will work differently.
  • the processing unit [306] is further configured to determine the target network node [302] from the plurality of target network nodes based on the category of the identifier.
  • the plurality of target network nodes may include a test Session Management Function (SMF) [310] and a non-test SMF [310a],
  • the processing unit [306] as mentioned determines the target network node based on the identifier (or specifically based on the SUPI).
  • the plurality of target network nodes disclosed here may include one of a test Session Management Function (SMF) [310] and a non-test Session Management Function (SMF) [310a].
  • SMF Session Management Function
  • SMF non-test Session Management Function
  • Session Management Function [ 108] is primarily used for managing sessions in the network, which may further include a continuous exchange of data in between the UE and the network.
  • the processing unit [306] may categorize the target network node as a test SMF [310], Here the test SMF [310] concludes a network node [302], primary created for testing purposes of a newly launched UE or any upgradation in the UE.
  • the processing unit [306] may categorize the target network node as a non-test SMF [310a].
  • the non-test SMF [310a] concludes a network node [302], designed for the live network and works differently in accordance with the test SMF [310],
  • the network node [302] further incorporates a network routing unit [308] connected at least with the processing unit [306], configured to route the registration request to the target network node [302], where the network routing unit [308] is configured to route the registration request to the test SMF [310] when the category of the identifier is the test SUPI.
  • the test SMF [310] is one of a newly deployed SMF [108] and an upgraded SMF [108], wherein the test SMF [310] is deployed in a 5G core network to handle live user traffic after passing through at least one testing procedure.
  • the network routing unit [308] is merely a processor or a combination of processors, designed primarily to route one or more registration request.
  • the network routing unit [308] further routes the registration request to the target network node [302], In case the target network node [302] is the test SMF [310], The network routing unit [308] accordingly routes the registration request to the test SMF [310],
  • the test SMF [310] is one of a newly developed SMF [108] or an upgraded SMF [108] with an inclusion of one or more features within the existing SMF [108], recently deployed in a fifth generation (5G) core network.
  • the test SMF [310] is further to be deployed for handling live user traffic in the network, only after passing through at least one testing procedure.
  • the at least one testing procedure involves one or more necessary changes, that are required to handle the live user traffic without causing any disruption in the performance standards of the live user traffic.
  • the new model of UE is required to be tested within a Research and Development (R&D) center of the specific entity before the market release.
  • R&D Research and Development
  • the testing is performed within the test SMF [310] and similarly the registration request for the UE is routed to the test SMF [310], and the test SMF [310] functions accordingly.
  • the network routing unit [308] accordingly routes the registration request to the test SMF [310].
  • the non-test SMF [310a] is either a test SMF [310] that is being deployed in the live data traffic, after passing the at least one testing procedures or a pre-existing SMF [108] that is already present in the live data traffic.
  • the UE model is launched in the market, and further when the user desires to connect with the network, the registration request of the UE will be sent to the non-test SMF [310a], allowing the UE is now to be operated within live data traffic.
  • the receiving unit [304] is configured to transmit a connection establishment acknowledgement to the UE. Further, post successful registration of the UE with the target network node [302] be it either, the test SMF [310] or the non-test SMF [310a], the receiving unit [304] further transmits an acknowledgement to the UE.
  • the acknowledgement may be in form of a text message, voice input or similar known in the art. Further, the acknowledgement also provides a means to double check the target network node that is connected with the UE.
  • an exemplary method flow diagram [400] for routing a registration request in a communication network in accordance with exemplary implementations of the present disclosure is shown.
  • the method [400] is performed by the system [300], Further, in an implementation, the system [300] may be present in a server or a network, to implement the features of the present disclosure. Also, as shown in Figure 4, the method [400] starts at step [402] .
  • the method [400] comprises - receiving, at the network node [302], from a user equipment (UE), the registration request for establishment of a connection between the UE and a target network node [302] from a plurality of target network nodes, where the registration request comprises an identifier associated with the UE.
  • the network node [302] is an Access and Mobility Management Function (AMF).
  • AMF Access and Mobility Management Function
  • the method [400] states that a registration request is sent at a network node [302] from a User Equipment (UE).
  • the registration request as mentioned includes an identifier that is linked with the UE and is transferred to the network node [302] in a plurality of data packets. Further, the identifier may include a special identity for separating one UE from multiple UE that may present around, in a network.
  • the network node [302] mentioned here is an Access and Mobility Management Function (AMF), where the AMF is one of a target network node from the plurality of network nodes, responsible for managing the access of the UE with the network.
  • AMF Access and Mobility Management Function
  • the method [400] comprises - analyzing, by the network node [302], the identifier to determine a category of the identifier.
  • the identifier is Subscriber Permanent Identifier (SUPI), and wherein the category of the identifier comprises a test SUPI and a non-test SUPI.
  • SUPI Subscriber Permanent Identifier
  • the method [400] further states that, post receiving the registration request, the network node [302] extracts the information (here ‘identifier’) from the registration request.
  • the identifier is the Subscriber Permanent Identifier (SUPI), mainly used for identification of the UE from other UE’s in the network.
  • SUPI Subscriber Permanent Identifier
  • the network node [302] further processes the SUPI to determine the category of the SUPI such as a test SUPI and a non-test SUPI.
  • the test SUPI refers to an identifier of a UE that is being used fortesting the functionality and performance of the UE in the network.
  • the nontest SUPI is referred to the identifier of the UE that are used by a user in live network, by the users.
  • the method [400] comprises - determining, by the network node [302], the target network node [302] from the plurality of target network nodes based on the category of the identifier, wherein the plurality of target network nodes comprises a test Session Management Function (SMF) [310] and a non-test SMF [310a].
  • SMF Session Management Function
  • the method [400] further states that the network node [302] further determines the target network node based on the identifier (or specifically based on the SUPI).
  • the plurality of target network nodes disclosed here may include one of a test Session Management Function (SMF) [310] and a non-test Session Management Function (SMF) [310a].
  • SMF Session Management Function
  • SMF non-test Session Management Function
  • the network node [302] categorizes the target network node as a test SMF [310],
  • the test SMF [310] concludes a network node [302], primarily created for testing purposes of a newly launched UE or any upgradation in the UE.
  • the test SMF [310] as mentioned functions separate from the normal SMF [108] (or say non-test SMF [310a]), thereby reducing any additional live data traffic on the network.
  • the network node [302] may categorize the target network node as a non-test SMF [310a] .
  • the non-test SMF [310a] concludes a network node [302], designed for the live data traffic, and works differently in accordance with the test SMF [310],
  • the method [400] comprises - routing, by the network node [302], the registration request to the target network node [302],
  • the method [400] further comprises routing the registration request to the test SMF [310] when the category of the identifier is the test SUPI, where the test SMF [310] is one of a newly deployed SMF [108] and an upgraded SMF [108], wherein the test SMF [310] is deployed in a 5G core network to handle live user traffic after passing through at least one network testing procedure.
  • the method [400] further states that, post determination of the target network node, the network routing unit [308] further routes the registration request to the target network node [302], In case the target network node [302] is the test SMF [310], The network routing unit [308] accordingly routes the registration request to the test SMF [310],
  • the test SMF [310] is one of a newly developed SMF [108] or an upgraded SMF [108] with an inclusion of one or more features within the existing SMF [108], recently deployed in a fifth generation (5G) core network.
  • the test SMF [310] is further to be deployed for handling live user traffic in the network, only after passing through at least one testing procedure.
  • the at least one testing procedure involves one or more necessary changes, that are required to handle the live user traffic without causing any disruption in the performance standards of the live user traffic.
  • the new model of UE is required to be tested within a Research and Development (R&D) center of the specific entity before the market release.
  • R&D Research and Development
  • the UE when the UE desires to connect to a particular network node [302], the UE sends a registration request to the network node [302], for example an AMF.
  • the registration request incorporates an identifier (i.e. SUPI) of the UE.
  • SUPI an identifier
  • the AMF analyzes the SUPI as test SUPI, and accordingly determines the target network node as a Test SMF [310] and the registration request is then routed to a test SMF [310],
  • the target network node [302] is the non-test SMF [310a].
  • the network routing unit [308] accordingly routes the registration request to the non-test SMF [310a].
  • the nontest SMF [310a] is either a test SMF [310] that is being deployed in the live data traffic, after passing the at least one testing procedures or a pre-existing SMF that is already present in the live data traffic.
  • the UE is launched within the market, and when the user further desires to connect to the target network node.
  • the AMF analyzes the SUPI as test SUPI, and accordingly determines the target network node as a non-test SMF [310a] and the registration request is then routed to a non-test SMF [310a], implying the UE is now to be operated in live data traffic.
  • the method [400] further comprises transmitting, via the network node [302], a connection acknowledgement to the UE, in an event of successful registration of the UE with the target network node.
  • the network node [302] further transmits an acknowledgement to the UE.
  • the acknowledgement may be in form of a text message, voice input or similar known in the art. Further, the acknowledgement also provides a means to double check the target network node that is connected with the UE.
  • the present disclosure further discloses a non-transitory computer readable storage medium storing instructions for routing a registration request in a communication network, the instructions include executable code which, when executed by one or more units of a network node [302], causes: a receiving unit [304] of the network node [302] to receive from a UE, a registration request for establishment of a connection between the UE and a target network node [302] from a plurality of target network nodes; a processing unit [306] of the network node [302] to analyze the identifier to determine a category of the identifier, and determine the target network node [302] from the plurality of target network nodes based on the category of the identifier; and a network routing unit [308] to route the registration request to the target network node [302],
  • the present disclosure further discloses a user equipment (UE) for routing a registration request in a communication network comprising a memory, and a processor coupled to the memory, the processor configured to: transmit, to a network node [302], a request for establishing a connection between the UE and a target network node [302], and receive, from the network node [302], a connection establishment acknowledgement associated with the request, wherein the connection establishment acknowledgement is received based on: analysing, by the network node [302], the identifier to determine a category of the identifier, based on the category of the identifier, determining, by the network node [302], the target network node [302] from the plurality of target network nodes, and routing, by the network node [302], the registration request to the target network node [302],
  • the present disclosure provides a technically advanced solution for routing a registration request in a communication network.
  • the present solution solves the problem of service outage in production network in case of any issue with the upgrade or deployment of SMF.
  • the present disclosure allows smooth and risk-free deployment/upgrade of 5G SMF node in production environment without affecting end user’s 4G/5G services.
  • the present disclosure solves the problem of service outage in production network in case of any issue with the upgrade or deployment of SMF.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé [400] et un système [300] pour acheminer une demande d'enregistrement dans un réseau de communication. La présente divulgation concerne un nœud de réseau [302]. Le nœud de réseau [302] incorpore une unité de réception [304], configurée pour recevoir, en provenance d'un équipement utilisateur (UE), une demande d'enregistrement pour l'établissement d'une connexion entre l'UE et un nœud de réseau cible [302] parmi une pluralité de nœuds de réseau cibles, la demande d'enregistrement comprenant un identifiant associé à l'UE. Le nœud de réseau [302] incorpore en outre une unité de traitement [306], configurée pour analyser l'identifiant pour déterminer une catégorie de l'identifiant, et déterminer le nœud de réseau cible [302] parmi la pluralité de nœuds de réseau cibles sur la base de la catégorie de l'identifiant. En outre, le nœud de réseau [302] incorpore une unité de routage de réseau [308], configurée pour acheminer la demande d'enregistrement vers le nœud de réseau cible [302].
PCT/IN2024/050741 2023-07-03 2024-06-11 Procédé et système de routage d'une demande d'enregistrement dans réseau de communication Ceased WO2025008871A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220039003A1 (en) * 2018-11-14 2022-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for network function selection in 5g for a user
US20220400430A1 (en) * 2020-03-02 2022-12-15 Lg Electronics Inc. Scheme for selecting smf node

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220039003A1 (en) * 2018-11-14 2022-02-03 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for network function selection in 5g for a user
US20220400430A1 (en) * 2020-03-02 2022-12-15 Lg Electronics Inc. Scheme for selecting smf node

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