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WO2025052421A1 - Procédé et système de traitement des demandes de localisation dans un réseau de communication sans fil - Google Patents

Procédé et système de traitement des demandes de localisation dans un réseau de communication sans fil Download PDF

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Publication number
WO2025052421A1
WO2025052421A1 PCT/IN2024/051610 IN2024051610W WO2025052421A1 WO 2025052421 A1 WO2025052421 A1 WO 2025052421A1 IN 2024051610 W IN2024051610 W IN 2024051610W WO 2025052421 A1 WO2025052421 A1 WO 2025052421A1
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WIPO (PCT)
Prior art keywords
access token
gmlc
status
request
token
Prior art date
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PCT/IN2024/051610
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English (en)
Inventor
Aayush Bhatnagar
Vikash Agrawal
Omprakash KUSHWAH
Vikram LIMAN
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Jio Platforms Ltd
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Jio Platforms Ltd
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Publication of WO2025052421A1 publication Critical patent/WO2025052421A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/80—Arrangements enabling lawful interception [LI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services

Definitions

  • Embodiments of the present disclosure generally relate to network performance management systems. More particularly, embodiments of the present disclosure relate to handling location requests in a wireless 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
  • the fourth generation (4G) technology revolutionized wireless communication with faster data speeds, better network coverage, and improved security.
  • 5G fifth generation
  • wireless communication technology has become more advanced, sophisticated, and capable of delivering more services to its users.
  • the 5G core networks are based on service-based architecture (SBA) that is centered around network function (NF) services.
  • SBA Service-Based Architecture
  • NFs network function
  • SBA Service-Based Architecture
  • NFs Network Functions
  • NRF Network Repository Function
  • the NRF therefore supports functions related to 1) maintaining the profiles of the available network function (NF) instances and their supported services in the 5G core network, 2) allowing NF instances to discover other NF instances in the 5G core network, and 3) allowing the NF instances to track the status of other NF instances.
  • Gateway Mobile Location Centre GMLC
  • GMLC Gateway Mobile Location Centre
  • AMF access and mobility management function
  • NEF Network Exposure Function
  • a ProvideLocation service operation is invoked by a NF service consumer, (e.g., NEF, GMLC, etc.), towards the GMLC to request location information for a target UE.
  • the 5G-GMLC (or referred herein as GMLC) receives a location request from a Lawful Interception Management (LIM) client
  • the GMLC fetches an access token for the AMF from the NRF to cater to the location request.
  • LIM Lawful Interception Management
  • the GMLC receives multiple location requests, which further leads to fetching of various access tokens from the NRF, more latency is added in the network.
  • An aspect of the present disclosure may relate to a method for handling location requests in a wireless communication network.
  • the method comprises transmitting, by a transceiver unit connected to at least a gateway mobile location centre (GMLC), an access token request to a network repository function (NRF).
  • the method further comprises receiving, by the transceiver unit at the GMLC, a first access token from the NRF, in response to the access token request.
  • the method comprises storing, by a storage unit connected at least to the transceiver unit, at a token database connected at least to the GMLC, the received first access token.
  • the method further comprises determining, by a processing unit connected at least to the token database, at a predefined frequency of time, a status of the stored first access token.
  • the status comprises one of an expired status and an active status.
  • the method comprises accessing, by the processing unit, the stored first access token in response to a location request from the GMLC.
  • the location request is received by the GMLC and relates to retrieval of location data of a user equipment (UE).
  • UE user equipment
  • the first access token relates to a set of configurations that facilitate the GMLC to establish a connection with an access and mobility management function (AMF).
  • AMF access and mobility management function
  • the method in response to the status of the stored first access token being the expired status, the method comprises transmitting, by the transceiver unit, an access token request to the NRF. Further, the method comprises receiving, by the transceiver unit at the GMLC, a second access token from the NRF, in response to the access token request. Furthermore, the method comprises storing, by a storage unit, at the token database, the received second access token. The received second access token is re-written on the first access token.
  • the GMLC is a 5G-GMLC.
  • the step of transmitting, by the transceiver unit, the access token request to the NRF occurs at startup of the GMLC.
  • the location request is received from a Lawful Interception Management (LIM) client.
  • LIM Lawful Interception Management
  • the system comprises a transceiver unit connected to at least a gateway mobile location centre (GMLC).
  • the transceiver unit is configured to transmit an access token request to a network repository function (NRF).
  • the transceiver unit is further configured to receive a first access token from the NRF, in response to the access token request.
  • the system further comprises a storage unit connected at least to the transceiver unit.
  • the storage unit is configured to store, at a token database connected at least to the GMLC, the received first access token.
  • the system comprises a processing unit connected at least to the token database.
  • the processing unit is configured to determine, at a predefined frequency of time, a status of the stored first access token.
  • the status comprises one of an expired status and an active status.
  • the processing unit is configured to access the stored first access token in response to a location request from the GMLC.
  • Yet another aspect of the present disclosure may relate to a non-transitory computer readable storage medium storing instructions for handling location requests in a wireless communication network
  • the instructions include executable code which, when executed by one or more units of a system, cause a transceiver unit of the system, connected to at least a gateway mobile location centre (GMLC), to transmit an access token request to a network repository function (NRF).
  • GMLC gateway mobile location centre
  • NRF network repository function
  • the instructions when executed by the system further causes the transceiver unit at the GMLC to receive a first access token from the NRF, in response to the access token request.
  • the instructions when executed by the system further causes a storage unit, connected at least to the transceiver unit, to store, at a token database connected at least to the GMLC, the received first access token.
  • the instructions when executed by the system further causes a processing unit connected at least to the token database, to determine, at a predefined frequency of time, a status of the stored first access token.
  • the status comprises one of an expired status and an active status.
  • the instructions when executed by the system further causes the processing unit to access the stored first access token in response to a location request from the GMLC in response to the status of the stored first access token being the active status.
  • FIG. 1 illustrates an exemplary block diagram representation of 5th generation core (5GC) network architecture.
  • 5GC 5th generation core
  • FIG. 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.
  • FIG. 3 illustrates an exemplary block diagram of a system for handling location requests in a wireless communication network, in accordance with exemplary implementations of the present disclosure.
  • FIG. 4 illustrates a process flow diagram for handling location requests in the wireless communication network, in accordance with exemplary implementations of the present disclosure.
  • FIG. 5 illustrates a method flow diagram for handling location requests in the wireless 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. For the avoidance of doubt, 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.
  • 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.
  • 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 at least one of a transceiver unit, a processing unit, a storage unit, a detection unit and any other such 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 or “user 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 a method and system of handling location requests in a wireless communication network.
  • FIG. 1 illustrates an exemplary block diagram representation of 5th 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], a gateway mobile location centre (GMLC)
  • UE user equipment
  • the 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.
  • the Access and Mobility Management Function (AMF) [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.
  • the Session Management Function (SMF) [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
  • the Service Communication Proxy (SCP) [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.
  • the Authentication Server Function (AUSF) [112] is a network function in the 5G core responsible for authenticating UEs during registration and providing security services. It generates and verifies authentication vectors and tokens.
  • NSSAAF Network Slice Specific Authentication and Authorization Function
  • the Network Slice Selection Function (NSSF) [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.
  • the Network Exposure Function (NEF) [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.
  • the 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.
  • the Policy Control Function (PCF) is a network function responsible for policy control decisions, such as QoS, charging, and access control, based on subscriber information and network policies.
  • the Unified Data Management [124] is a network function that centralizes the management of subscriber data, including authentication, authorization, and subscription information.
  • the Application Function (AF) [126] is a network function that represents external applications interfacing with the 5G core network to access network capabilities and services.
  • the User Plane Function [128] is a network function responsible for handling user data traffic, including packet routing, forwarding, and QoS enforcement.
  • the Data Network (DN) refers to a network that provides data services to user equipment (UE) in a telecommunications system.
  • the data services may include but are not limited to Internet services, private data network related services.
  • the gateway mobile location centre (GMLC) [140] is a first network in the 5G network architecture [100] which is accessed by an external location application.
  • the GMLC [140] is responsible for performing registration, authorization and requests routing information and receive request for UE location information.
  • the GMLC is connected to AMF [106] over NL2 interface.
  • the location client service (LCS) [142] is used to facilitate information exchange related to as user equipment (UE) location within the network elements. It uses various interfaces such as but not limited to NLs, NLg and NLh interfaces to interact with the AMF [106] and UDM [124],
  • the 5GC network architecture also comprises a plurality of interfaces for connecting the network functions with a network entity for performing the network functions.
  • the NSSF [116] is connected with the network entity via the interface denoted as (Nnssf) interface in the figure.
  • the NEF [118] is connected with the network entity via the interface denoted as (Nnef) interface in the figure.
  • the NRF [120] is connected with the network entity via the interface denoted as (Nnrf) interface in the figure.
  • the PCF [122] is connected with the network entity via the interface denoted as (Npcf) interface in the figure.
  • the UDM [124] is connected with the network entity via the interface denoted as (Nudm) interface in the figure.
  • the AF [126] is connected with the network entity via the interface denoted as (Naf) interface in the figure.
  • the NSSAAF [114] is connected with the network entity via the interface denoted as (Nnssaaf) interface in the figure.
  • the AUSF [112] is connected with the network entity via the interface denoted as (Nausf) interface in the figure.
  • the AMF [106] is connected with the network entity via the interface denoted as (Namf) interface in the figure.
  • the SMF [108] is connected with the network entity via the interface denoted as (Nsmf) interface in the figure.
  • the SMF [108] is connected with the UPF [128] via the interface denoted as (N4) interface in the figure.
  • the UPF [128] is connected with the RAN [104] via the interface denoted as (N3) interface in the figure.
  • the UPF [128] is connected with the DN [130] via the interface denoted as (N6) interface in the figure.
  • the RAN [104] is connected with the AMF [106] via the interface denoted as (N2).
  • the AMF [106] is connected with the RAN [104] via the interface denoted as (Nl).
  • the UPF [128] is connected with other UPF [128] via the interface denoted as (N9).
  • the interfaces such as Nnssf, Nnef, Nnrf, Npcf, Nudm, Naf, Nnssaaf, Nausf, Namf, Nsmf, N9, N6, N4, N3, N2, and Nl can be referred to as a communication channel between one or more functions or modules for enabling exchange of data or information between such functions or modules, and network entities.
  • FIG. 2 illustrates an exemplary block diagram of a computing device [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 handling location requests in a wireless communication network, utilising the system.
  • the computing device [200] itself implements the method for handling location requests in a wireless 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 computing device [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 computing device [200] into a special-purpose machine that is customized to perform the operations specified in the instructions.
  • the computing device [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 computing device [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 computing device [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 computing device [200] causes or programs the computing device [200] to be a special-purpose machine.
  • the techniques herein are performed by the computing device [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.
  • the computing device [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 computing device [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.
  • the present disclosure is implemented by a system [300] (as shown in FIG. 3).
  • the system [300] may include the computing device [200] (as shown in FIG. 2). It is further noted that the computing device [200] is able to perform the steps of a method [400] (as shown in FIG. 4).
  • FIG. 3 an exemplary block diagram of a system [300] for handling location requests in a wireless communication network is shown, in accordance with the exemplary implementations of the present disclosure.
  • the system [300] comprises at least one transceiver unit [302], at least one storage unit [304], and at least one processing unit [306], Also, all of the components/ units of the system [300] are assumed to be connected to each other unless otherwise indicated below. As shown in FIG. 3, all units shown within the system [300] should also be assumed to be connected to each other. Also, in FIG. 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.
  • the system [300] may be present in a user device to implement the features of the present disclosure.
  • the system [300] may be a part of the user device / or may be independent of but in communication with the user device (may also referred herein as a UE).
  • the system [300] may reside in a server or a network entity.
  • the system [300] may reside partly in the server/ network entity and partly in the user device.
  • the system [300] is configured for handling location requests in the wireless communication network, with the help of the interconnection between the components/units of the system [300],
  • FIG. 4 illustrates a process flow diagram [400] for handling location requests in the wireless communication network, in accordance with exemplary implementations of the present disclosure. Further, the system [300] is intended to be read in conjunction with the process flow diagram [400] as shown in FIG. 4.
  • the system [300] comprises the transceiver unit [302] connected to at least a gateway mobile location centre (GMLC) [402],
  • the transceiver unit [302] is configured to transmit an access token request to a network repository function (NRF) [120] via Nnrf_AccessToken service offered by the NRF.
  • the GMLC [402] is a 5G-GMLC.
  • Gateway Mobile Location Centre (GMLC) is the network entity in the 5G Core Network (5GC) that supports Location Services (LCS).
  • the GMLC [402] may offer the location services to the AMF [106] and the NEF [118] via a Ngmlc service-based interface.
  • the step of transmitting the access token request to the NRF [120] occurs at startup of the GMLC [402],
  • the access token request includes but may not be limited to a scope parameter, a NF Instance ID of a NF service consumer, a NF Instance ID of a NF service producer, a NF type of NF service consumer, a NF type of NF service producer, and a Public Land Mobile Network (PLMN) ID.
  • PLMN Public Land Mobile Network
  • the scope parameter herein may refer to the name of the NF that the NF service consumer is trying to access.
  • the NF Instance ID of the NF service consumer refers to an identifier of the instance of a network function (NF) requesting the access token.
  • the NF Instance ID of the NF service producer refers to an identifier of the instance of the NF providing the access token.
  • the NF Instance ID may be included where the access token request is for a specific NF service producer requesting services offered by the consumer (i.e., GMLC).
  • the NF type of the NF service consumer refers to a type of the NF requesting the access token.
  • the NF type of the NF service producer refers to a type of the NF providing the access token.
  • the access token request may additionally include a NF set ID of the NF service producer, where the access token request is not for a specific NF service producer.
  • the transceiver unit [302] is further configured to receive a first access token from the NRF [120], in response to the access token request.
  • the first access token relates to a set of configurations that facilitate the GMLC [402] to establish a connection with an access and mobility management function (AMF) [106],
  • the first access token includes but may not be limited to a requested access token and a token type of the first access token.
  • the system [300] further comprises a storage unit [304] connected at least to the transceiver unit [302], The storage unit [304] is configured to store, at a token database [406] connected at least to the GMLC [402], the received first access token.
  • the system [300] further comprises a processing unit [306] connected at least to the token database [406], The processing unit [306] is configured to determine, at a predefined frequency of time, a status of the stored first access token. The status comprises one of an expired status and an active status.
  • the processing unit [306] is configured to implement a timer.
  • the timer may be configured by a system operator or a network operator. For example, the system operator may implement the timer of 5 minutes.
  • the processing unit [306] is configured to start the timer. The timer may record a remaining time of the active status of the first access token.
  • the predefined frequency of time to determine the status of the first access token (i.e., to implement the timer) by the GMLC [402] may be defined by the system operator or the network operator.
  • the processing unit [306] is configured to access the stored first access token in response to a location request from the GMLC [402],
  • the location request is received by the GMLC [402] and relates to retrieval of location data of a user equipment (UE).
  • the location request is received from a Lawful Interception Management (LIM) client.
  • the LIM client [504] acts as a component within the LIM, wherein external networks or network operators or network providers are required to collect and provide location information of its consumers for a lawful security process based on lawful requests.
  • the processing unit [306] may send the status as the active status. If the status of the first access token is the active status and the GMLC [402] receives the location request, the GMLC [402] may use the already stored access token to communicate with the AMF [106] rather than requesting for a new access token from the LIM [404] for every location request at the GMLC [402], In an implementation, when the LIM [404] requires a location and sends the location request to the GMLC [402], the location may include the stored access token. The access token may serve as a proof of the GMLC’s [402] authorization to access the location requested in the location request.
  • the transceiver unit [302] In response to the status of the stored first access token being the expired status, the transceiver unit [302] is configured to transmit an access token request to the NRF [120] and receive a second access token from the NRF [120], in response to the access token request. In case the remaining time of the first access token in the timer is 0 when the GMLC [402] queries the token database [406], the processing unit [306] may send the status as the expired status. Further, the storage unit [304] is configured to store, at the token database [406], the received second access token. The received second access token is re-written on the first access token.
  • the GMLC [402] may fetch the access token request from the Lawful Interception Management (LIM) [504],
  • the GMLC [402] is a 5G-GMLC.
  • the GMLC [402] may be for 6 th generation or any other future generations of the network.
  • the access token request includes but may not be limited to a scope parameter, a NF Instance ID of a NF service consumer, a NF Instance ID of a NF service producer, a NF type of NF service consumer, a NF type of NF service producer, and a Public Land Mobile Network (PLMN) ID.
  • PLMN Public Land Mobile Network
  • the LIM [404] may provide an access token based on the access token request to the GMLC [402],
  • the GMLC [402] may store the access token in the token database [406],
  • the GMLC [402] may be configured to query the token database [406] at pre-defined frequency of time to check the status of the stored access token.
  • the status may be one of the active status or the expired status.
  • FIG. 5 an exemplary method flow diagram [500] for handling location requests in the wireless communication network, in accordance with exemplary implementations of the present disclosure is shown.
  • the method [500] is performed by the system [300],
  • the method comprises transmitting, by the transceiver unit [302] connected to at least the gateway mobile location centre (GMLC) [402], the access token request to the network repository function (NRF) [120],
  • the GMLC [402] is a 5G-GMLC [402]
  • the Gateway Mobile Location Centre (GMLC) [402] is the network entity in the 5G Core Network (5GC) that may support Location Services (LCS).
  • the GMLC [402] may offer the location services to the AMF [106] and the NEF [118] via a Ngmlc service-based interface.
  • the step of transmitting, by the transceiver unit [302], the access token request to the NRF [120] occurs at startup of the GMLC [402],
  • the method comprises receiving, by the transceiver unit [302] at the GMLC [402], the first access token from the NRF [120], in response to the access token request.
  • the first access token relates to a set of configurations that facilitate the GMLC [402] to establish a connection with the access and mobility management function (AMF) [106],
  • the method comprises storing, by a storage unit [304] connected at least to the transceiver unit [302], at the token database [406] connected at least to the GMLC [402], the received first access token.
  • the method comprises determining, by the processing unit [306] connected at least to the token database [406], at a predefined frequency of time, the status of the stored first access token.
  • the status comprises one of an expired status and an active status.
  • the method comprises accessing, by the processing unit [306], the stored first access token in response to a location request from the GMLC [402], The location request is received by the GMLC [402] and relates to retrieval of location data of a user equipment (UE).
  • UE user equipment
  • the present disclosure further discloses a non-transitory computer readable storage medium storing instructions for handling location requests in a wireless communication network, the instructions include executable code which, when executed by one or more units of the system [300], causes the transceiver unit [302] of the system [300], connected to at least the gateway mobile location centre (GMLC) [402] to transmit an access token request to the network repository function (NRF) [120], The instructions when executed by the system [300] further cause the transceiver unit [302] to receive a first access token from the NRF [120], in response to the access token request.
  • the instructions include executable code which, when executed by one or more units of the system [300], causes the transceiver unit [302] of the system [300], connected to at least the gateway mobile location centre (GMLC) [402] to transmit an access token request to the network repository function (NRF) [120], The instructions when executed by the system [300] further cause the transceiver unit [302] to receive a first access token from
  • the instructions when executed by the system [300] further causes the storage unit [304], connected at least to the transceiver unit [302], to store, at the token database [406] connected at least to the GMLC [402], the received first access token.
  • the instructions when executed by the system [300] further causes the processing unit [306] connected at least to the token database [406], to determine, at the predefined frequency of time, the status of the stored first access token.
  • the status comprises one of an expired status and an active status.
  • the instructions when executed by the system [300] further causes the processing unit [306] to access the stored first access token in response to the location request from the GMLC [402] in response to the status of the stored first access token being the active status.
  • the present disclosure provides a technically advanced solution for handling location requests in a wireless communication network.
  • the present disclosure provides a system and a method for handling location requests in the wireless communication network based on pre-configuration or storage of access token(s).
  • the present disclosure further provides a solution that can reduce latency in the network that may have occurred due to fetching access tokens from the NRF multiple times for the AMF to cater multiple provide location requests.
  • the present disclosure further provides a solution that can pre-configure or store access token to communicate with AMF rather than fetching access token for the AMF from NRF in every provided location request coming at GMLC. Further, the present disclosure provides a solution that can exclude get access token request from NRF to communicate with AMF in every location request.

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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 et un système de traitement de demandes de localisation dans un réseau de communication sans fil, le procédé consistant à transmettre par une unité émetteur-récepteur [302], une demande de jeton d'accès à une fonction de référentiel réseau (NRF) [120]. Le procédé consiste à recevoir, par une unité émetteur-récepteur [302], un premier jeton d'accès provenant de la NRF [120], en réponse à la demande de jeton d'accès. Le procédé consiste à stocker, dans une base de données de jetons [406], le premier jeton d'accès reçu. Le procédé consiste à déterminer, par une unité de traitement [306], à une fréquence temporelle prédéfinie, l'état du premier jeton d'accès stocké. L'état peut être un état expiré ou un état actif. Si l'état du premier jeton d'accès stocké est l'état actif, le procédé consiste à accéder, par l'unité de traitement [306], au premier jeton d'accès stocké en réponse à une demande de localisation provenant du GMLC [402].
PCT/IN2024/051610 2023-09-09 2024-09-03 Procédé et système de traitement des demandes de localisation dans un réseau de communication sans fil Pending WO2025052421A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220007326A1 (en) * 2018-09-18 2022-01-06 Datang Mobile Communications Equipment Co., Ltd. Selection method, selection device, management function entity, access network node, gmlc and nrf
WO2023018726A1 (fr) * 2021-08-13 2023-02-16 Intel Corporation Intelligence artificielle nomade améliorée pour des dispositifs sans fil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220007326A1 (en) * 2018-09-18 2022-01-06 Datang Mobile Communications Equipment Co., Ltd. Selection method, selection device, management function entity, access network node, gmlc and nrf
WO2023018726A1 (fr) * 2021-08-13 2023-02-16 Intel Corporation Intelligence artificielle nomade améliorée pour des dispositifs sans fil

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