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WO2019221563A1 - Procédé et appareil de contrôle d'accès au réseau à des services restreints d'opérateur local - Google Patents

Procédé et appareil de contrôle d'accès au réseau à des services restreints d'opérateur local Download PDF

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Publication number
WO2019221563A1
WO2019221563A1 PCT/KR2019/005961 KR2019005961W WO2019221563A1 WO 2019221563 A1 WO2019221563 A1 WO 2019221563A1 KR 2019005961 W KR2019005961 W KR 2019005961W WO 2019221563 A1 WO2019221563 A1 WO 2019221563A1
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WO
WIPO (PCT)
Prior art keywords
terminal
registration
rlos
message
access
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/005961
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English (en)
Korean (ko)
Inventor
백영교
김성훈
손중제
이호연
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020180070954A external-priority patent/KR20190132168A/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2019221563A1 publication Critical patent/WO2019221563A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H04W12/088—Access security using filters or firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

Definitions

  • the present invention relates to a method and apparatus for controlling access of a terminal in a network for providing a restricted service of an operator (RLOS).
  • RLOS restricted service of an operator
  • a 5G communication system or a pre-5G communication system is called a system after a 4G network (Beyond 4G Network) or a system after an LTE system (Post LTE).
  • 5G communication systems are being considered for implementation in the ultra-high frequency (mmWave) band (eg, such as the 60 Gigabit (60 GHz) band).
  • beamforming massive array multiple input / output (Full-Dimensional MIMO), and full dimensional multiple input / output (FD-MIMO) are used in 5G communication systems to increase path loss mitigation and propagation distance of radio waves in the ultra-high frequency band.
  • Array antenna, analog beam-forming, and large scale antenna techniques are discussed.
  • an advanced small cell in order to improve the network of the system, in the 5G communication system, an advanced small cell, an advanced small cell, a cloud radio access network (cloud RAN), an ultra-dense network ), Device to Device communication (D2D), wireless backhaul, moving network, cooperative communication, Coordinated Multi-Points (CoMP), and interference cancellation Technology development, etc.
  • cloud RAN cloud radio access network
  • D2D Device to Device communication
  • CoMP Coordinated Multi-Points
  • FQAM Hybrid FSK and QAM Modulation
  • SWSC Slide Window Superposition Coding
  • ACM Advanced Coding Modulation
  • FBMC Fan Bank Multi Carrier
  • the Internet is evolving from a human-centered connection network where humans create and consume information, and an Internet of Things (IoT) network that exchanges and processes information among distributed components such as things.
  • IoT Internet of Things
  • IoE Internet of Everything
  • M2M machine to machine
  • MTC Machine Type Communication
  • IoT Internet technology
  • IoT is a field of smart home, smart building, smart city, smart car or connected car, smart grid, health care, smart home appliances, advanced medical services, etc. through convergence and complex of existing information technology (IT) technology and various industries. It can be applied to.
  • SIM Subscriber Identification Module
  • eSIM embedded Subscriber Identification Module
  • the terminal connected to the network can receive services provided by the operator, such as SIM provisioning or IMS (IP Multimedia Subsystem) voice call through the operator's Restricted Local Operator Services (RLOS).
  • IMS IP Multimedia Subsystem
  • An object of the present invention is to provide a limited service provider (RLOS: Restricted Local Operator Services) by allowing access to the cellular network without authentication to the terminal without a SIM profile, such as an open market-oriented terminal equipped with eSIM, It is to provide a method for preventing a terminal attempting to access a network for the limited service continuously and excessively unauthorized access to the network.
  • RLOS Restricted Local Operator Services
  • the method receiving a registration request message for requesting registration from the terminal, If the registration type included in the registration request message is a restricted local operator services (RLOS), identifying identification information of the terminal included in the registration message, corresponding to the identification information of the confirmed terminal;
  • the method may include determining whether registration of the terminal is possible based on access history information, and if it is determined that registration of the terminal is impossible, transmitting a registration rejection message to the terminal.
  • RLOS restricted local operator services
  • a registration rejection message includes: On the basis of the access history information corresponding to the identification information, if it is determined that the registration of the terminal by the entity can be received.
  • the transceiver and the terminal to control the transceiver to receive a registration request message for requesting registration, If the registration type included in the registration request message is a restricted local operator services (RLOS), the identification information of the terminal included in the registration message is checked, and the access history corresponding to the identification information of the confirmed terminal is checked.
  • the controller may determine whether registration of the terminal is possible based on the information, and control the transceiver to transmit a registration rejection message to the terminal when it is determined that registration of the terminal is impossible.
  • RLOS restricted local operator services
  • a request for registration for limited local operator services (RLOS) of an operator is provided as a entity of a transceiver and a connection and mobility management function of the terminal.
  • a control unit which transmits a registration request message including a registration type and identification information of the terminal, and controls the transceiver to receive a registration rejection message from the entity in response to the registration request message. May be received based on the access history information corresponding to the identification information of the terminal, if it is determined that the registration of the terminal is impossible by the entity.
  • the connection resources of the cellular network It is effective in reducing waste and managing network resources efficiently.
  • FIG. 1 is a diagram illustrating the structure of an EPS-based cellular network for servicing an unauthenticated terminal.
  • FIG. 2 is a diagram illustrating a structure of a 5GS-based cellular network for servicing an unauthenticated terminal.
  • FIG. 3 is a diagram illustrating a process of restricting access when an unauthorized terminal is excessively connected in an EPS system.
  • FIG. 4 is a diagram illustrating a process of restricting access when an unauthorized terminal is excessively connected in a 5G system.
  • FIG. 5 is a block diagram showing the structure of a terminal according to an embodiment of the present invention.
  • FIG. 6 is a block diagram illustrating a structure of a base station according to an embodiment of the present invention.
  • FIG. 7 is a block diagram illustrating a structure of an MME according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing the structure of an AMF according to an embodiment of the present invention.
  • FIG. 1 is a diagram illustrating a structure of an evolved packet system (EPS) based cellular network for serving an unauthorized terminal
  • FIG. 2 is a diagram illustrating a structure of a 5G system (5GS) based cellular network for serving an unauthorized terminal.
  • EPS evolved packet system
  • 5GS 5G system
  • UE has a Restricted Local Operator's services (RLOS) service function to select and access a network providing RLOS services.
  • RLOS Restricted Local Operator's services
  • the UE may receive an RLOS service provided by an operator.
  • a packet core network to which the terminal connects to secure connectivity is a cellular network that provides data communication, and may be, for example, an EPS (Evolved Packet System) or 5GS network that provides LTE network service.
  • the packet core network includes an MM functional entity that is in charge of mobility management of the terminal and an SM functional entity that is in charge of session management, through which signaling messages are processed.
  • Mobility Management Entity (MME) 110 serves as an MM functional entity and an SM functional entity.
  • the MME 110 selects a GW (Gateway) serving the RLOS in the case of the terminal 101 accessing the RLOS, and the terminal 101 selects an application server (AS) through a limited connectivity service through the GW 111.
  • Application Server 120 can be accessed.
  • the AS 120 may be a proxy-call session control function (P-CSCF) in the case of a captive portal or an IMS service.
  • P-CSCF proxy-call session control function
  • an access and mobility management function (AMF) 210a serves as an MM functional entity and a session management function (SMF) 210b serves as an SM functional entity.
  • AMF access and mobility management function
  • SMF session management function
  • the GW corresponds to the UPF 211
  • the terminal 201 may access the application server 220 through the limited connectivity service through the UPF.
  • the PCRF Policy and Charging Rules Function
  • the PCF Policy Control Function
  • FIG. 3 illustrates a process of restricting access when an unauthorized terminal is excessively connected in an EPS system according to an embodiment of the present invention.
  • the base station 1c-200 broadcasts information indicating RLOS support in a System Information Block (SIB) message (1c-001).
  • SIB System Information Block
  • the terminal 1c-100 selects an appropriate PLMN from among available PLMNs (Public Land Mobile Networks) supporting the searched RLOS when the RLOS service is needed (1c-002).
  • PLMNs Public Land Mobile Networks
  • the attach request message may include identity of the terminal, for example, an International Mobile Station Equipment Identity (IMEI).
  • IMEI International Mobile Station Equipment Identity
  • the UE may piggyback a packet data network (PDN) connectivity request (PDN) connection request to the attach request message.
  • PDN packet data network
  • PDN packet data network
  • the MME 1c-300 determines whether the RLOS service is available for the terminal sending the attach request (1c-004).
  • the MME 1c-300 determines that the RLOS service is impossible due to a system problem when the network is temporarily confused (congestion) or a temporary error occurs.
  • the MME 1c-300 determines whether the RLOS service for each terminal is possible according to a previous access record for the terminal that sent the attach request.
  • the MME 1c-300 maintains a black list or white list based on the IMEI of the terminal, and the IMEI of the terminal sending the attach request is in the black list or the IMEI of the terminal is If it is not in the white list, it is determined that the RLOS service is impossible.
  • the black list may be maintained as follows.
  • the MME 1c-300 increases the counter by one when the UE corresponding to the received IMEI accesses the RLOS service and records the number of times the UE accesses the RLOS service within a predetermined time. .
  • the MME 1c-300 attempts to access the service within a predetermined time or more, the MME 1c-300 includes the corresponding IMEI in the black list. Accordingly, the MME 1c-300 rejects the attach request.
  • the IMEI that was included in the black list is deleted over time.
  • the white list can be maintained as follows.
  • the operator manages the IMEI information of UEs that are allowed to attach for RLOS in a white list.
  • the terminal corresponding to the IMEI in the white list is connected to receive the RLOS service by increasing the counter by 1, it can record the number of times that the terminal is connected to receive the RLOS service within a certain time.
  • the MME 1c-300 may exclude the IMEI of the terminal from the white list for a predetermined time.
  • IMEI which has been excluded over time, will be included in the white list.
  • the black list and white list of the IMEI managed by the MME 1c-300 may be shared with other MMEs in the MME pool, or between MMEs of the corresponding PLMN.
  • another method for maintaining a black list and a white list for IMEI is based on the ratio of the time that the terminal is connected to the network for the RLOS within a certain reference time, if the network is excessively connected to a certain threshold. It is also possible to include the IMEI in the black list or exclude it from the white list.
  • a RLOS back off timer value may be transmitted to the UE as information on how long the UE will not be allowed to access the RLOS service (1c-005).
  • the RLOS back off timer value indicates the time until the congestion or temporary error situation of the system is expected to be terminated or is not determined to be an excessive attach attempt for the RLOS service of the terminal. Shows the time until, i.e., the expected time until the IMEI of the corresponding UE is deleted from the black list for the IMEI or the estimated time until the IMEI of the corresponding UE is again included in the white list of the IMEI.
  • the terminal 1c-100 does not perform an attach request for the RLOS on the same PLMN until the RLOS Back Off timer expires.
  • the terminal 1c-100 is set to a default value according to a reject cause. You can also follow the value.
  • the terminal 1c-100 may manage a forbidden RLOS PLMN list so as not to attempt to attach a RLOS to the PLMN during the RLOS back off time (1c-006).
  • the forbidden RLOS PLMN list When the forbidden RLOS PLMN list receives a reject message for the attachment for the RLOS, the forbidden RLOS PLMN list registers the PLMN that received the attach reject in the forbidden RLOS PLMN list and maintains the RLOS back off timer until the value ends. will be.
  • the UE 1c-100 detects the PLMN included in the forbidden RLOS PLMN list as a PLMN capable of RLOS service, when the RLOS service informs the user of the list of valid PLMNs, the PLMN is excluded from the list. Even if the RLOS service is included in the list of valid PLMNs, it may include an indication indicating that the PRLN is not available at this time.
  • the forbidden RLOS PLMN list is ignored and the RLOS Back Off timer has not expired for the selected PLMN. In this case, that is, the RLOS back off timer is ignored and the attach process for the normal service is performed.
  • FIG. 4 illustrates a process of restricting access when an unauthorized terminal is excessively connected in a 5G system according to an exemplary embodiment of the present invention.
  • the base station 1d-200 broadcasts information indicating RLOS support in the SIB message when the RLOS service is available (1d-001).
  • the terminal 1d-100 selects an appropriate PLMN from among available PLMNs supporting the searched RLOS when the RLOS service is needed (1d-002).
  • the registration request message may include an identity of the terminal, for example, a PEI (Permanent Equipment Identifier).
  • the AMF 1d-300 determines whether the RLOS service is available for the terminal 1d-100 that has sent the registration request (1d-004).
  • the AMF 1d-300 determines that the RLOS service is impossible due to a system problem when the network is temporarily congested or a temporary error occurs.
  • the AMF 1d-300 determines whether the RLOS service for each terminal is possible according to the previous access record for the terminal 1d-100 which has sent the registration request.
  • the AMF 1d-300 maintains a black list or white list based on the PEI of the terminal 1d-100, and the PEI of the terminal 1d-100 sending a registration request is in the black list or the terminal ( If the PEI of 1d-100) is not on the white list, it is determined that the RLOS service is impossible.
  • the black list may be maintained as follows.
  • the AMF 1d-300 increments the counter by one when the UE corresponding to the received PEI accesses the RLOS service and records the number of times the UE accesses the RLOS service within a predetermined time. .
  • the AMF 1d-300 includes the PEI of the terminal in the black list. Accordingly, the AMF 1d-300 requests a registration request. Reject.
  • the PEI that was included in the black list is deleted over time.
  • the white list may be maintained as follows.
  • the operator manages the PEI information of the UE, which allows registration for RLOS in advance, in a white list.
  • the AMF 1d-300 increments the counter by one when the UE corresponding to the PEI in the white list is connected to receive the RLOS service, and the number of times that the UE is connected to receive the RLOS service within a predetermined time period. Can be recorded.
  • the AMF 1d-300 may exclude the PEI of the terminal from the white list for a predetermined time when the terminal attempts to access the service within a predetermined time or more. Of course, over time, PEIs that have been excluded will be included in the white list.
  • the black list and white list for the PEI managed by the AMF 1d-300 are shared with other AMFs in the AMF set or shared between the AMFs of the corresponding PLMN.
  • the terminal when the terminal is connected to the network excessively above a certain threshold based on the ratio of the time that the terminal is connected to the network for the RLOS within a certain reference time.
  • the PEI can be included in the black list or excluded from the white list.
  • the AMF 1d-300 determines that the terminal's RLOS service is unavailable and rejects the registration request, the AMF 1d-300 sends a registration reject message to the terminal 1d-100, and the registration reject message.
  • the AMF 1d-300 may transmit the RLOS Back Off timer value to the terminal 1d-100 as information on how long the terminal will not be allowed to access the RLOS service together with the registration reject message (1d-005). ).
  • the RLOS back off timer value indicates the time until the congestion or temporary error situation of the system is expected to be terminated or is not determined to be an excessive registration attempt for the RLOS service of the terminal. This indicates the time until the PEI of the UE is deleted from the black list of the PEI or the expected time until the PEI of the UE is included in the white list of the PEI.
  • the terminal 1d-100 does not perform a registration request for the RLOS for the same PLMN until the RLOS Back Off timer expires.
  • the terminal 1d-100 may follow the RLOS back off timer value set to a default value according to the reject cause. have.
  • the terminal 1d-100 may manage a forbidden RLOS PLMN list so as not to attempt registration for the RLOS in the PLMN during the RLOS back off time.
  • the UE 1d-100 registers the PLMN having received the registration rejection in the forbidden RLOS PLMN list and when the RLOS Back Off timer value ends. It is to keep up.
  • the UE 1d-100 detects the PLMN included in the forbidden RLOS PLMN list as a PLMN capable of RLOS service, when the RLOS service informs the user of the list of valid PLMNs, the terminal 1d-100 excludes the LMOS service from the list. Even if it is included in the list of valid PLMNs, it may include an indication indicating that the PLMN is not available at this time.
  • the forbidden RLOS PLMN list is ignored and even when the RLOS Back Off timer has not expired for the selected PLMN. , Ignores the RLOS Back Off timer and performs an attach process for a normal service.
  • FIG. 5 is a diagram illustrating a structure of a terminal according to an embodiment of the present invention.
  • the terminal may include a transceiver 510, a terminal controller 520, and a storage 530.
  • the terminal controller 520 may be defined as a circuit or an application specific integrated circuit or at least one processor.
  • the transceiver 510 may transmit / receive a signal with another network entity.
  • the transceiver 510 may receive, for example, an SIB from a base station according to an embodiment of the present invention, and may transmit an attach request to an MME.
  • the terminal controller 520 can control the overall operation of the terminal according to the embodiment proposed by the present invention.
  • the terminal controller 520 may control the signal flow between blocks to perform the operation according to the above-described drawings and flowcharts.
  • the terminal controller may determine whether an RLOS service is required based on the SIB message, and select a PLMN supporting RLOS.
  • the storage unit 530 may store at least one of information transmitted and received through the transceiver 510 and information generated through the terminal controller 520.
  • FIG. 6 is a diagram illustrating a structure of a base station according to an embodiment of the present invention.
  • the base station may include a transceiver 610, a base station controller 620, and a storage 630.
  • the base station controller 620 may be defined as a circuit or application specific integrated circuit or at least one processor.
  • the transceiver 610 may transmit and receive a signal with another network entity.
  • the transceiver 610 may broadcast the SIB, for example.
  • the base station controller 620 may control the overall operation of the base station according to the embodiment proposed by the present invention. For example, when the RLOS service is available, the base station controller 620 may control the transceiver 610 to broadcast information indicating RLOS support in the SIB.
  • the storage unit 630 may store at least one of information transmitted and received through the transceiver 610 and information generated by the base station controller 620.
  • FIG. 7 is a diagram illustrating a structure of an MME according to an embodiment of the present invention.
  • the MME may include a transceiver 710, an MME controller 720, and a storage 730.
  • the MME controller 720 may be defined as a circuit or application specific integrated circuit or at least one processor.
  • the transceiver 710 may transmit and receive signals with other network entities.
  • the transceiver 710 may receive, for example, an attach request transmitted from the terminal or transmit a response (for example, attach reject) to the terminal.
  • the MME controller 720 may control the overall operation of the MME according to the embodiment proposed by the present invention. For example, the MME control unit 720 may determine whether the RLOS service is available for the terminal sending the attach request.
  • the storage unit 730 may store at least one of information transmitted and received through the transceiver 710 and information generated through the MME controller 720.
  • FIG. 8 is a diagram illustrating the structure of an AMF according to an embodiment of the present invention.
  • the AMF may include a transceiver 810, an AMF controller 820, and a storage 830.
  • the AMF control unit 820 may be defined as a circuit or application specific integrated circuit or at least one processor.
  • the transceiver 810 may transmit and receive a signal with another network entity. For example, the transceiver 810 may receive a registration request transmitted from the terminal or transmit a response (for example, a registration reject) to the terminal.
  • a registration request transmitted from the terminal
  • a response for example, a registration reject
  • the AMF control unit 820 may control the overall operation of the AMF according to the embodiment proposed by the present invention. For example, the AMF controller 820 may determine whether the RLOS service is available for the terminal that sent the registration request.
  • the storage unit 830 may store at least one of information transmitted and received through the transceiver 810 and information generated through the AMF controller 820.

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

Abstract

La présente invention concerne une technique de communication permettant de fusionner la technologie de l'Internet des objets (IdO) avec un système de communication 4G et un système de communication 5G de prise en charge d'un débit de transmission de données supérieur à celui d'un système 4G, et un système associé. L'invention peut être appliquée à des services intelligents (par exemple des maisons intelligentes, des bâtiments intelligents, des villes intelligentes, des voitures intelligentes ou voitures connectées, les soins de santé, l'enseignement numérique, le commerce de détail, des services liés à la sécurité et à la sûreté, etc.) sur la base de la technologie de communication 4G ou de la technologie de communication 5G et la technologie associée à l'IdO. L'invention concerne donc un procédé et un appareil de contrôle d'accès de terminaux à un réseau fournissant des services restreints d'opérateur local (RLOS).
PCT/KR2019/005961 2018-05-18 2019-05-17 Procédé et appareil de contrôle d'accès au réseau à des services restreints d'opérateur local Ceased WO2019221563A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0057337 2018-05-18
KR20180057337 2018-05-18
KR10-2018-0070954 2018-06-20
KR1020180070954A KR20190132168A (ko) 2018-05-18 2018-06-20 사업자의 제한적인 서비스에 대한 망접속 제어 방법 및 장치

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WO2019221563A1 true WO2019221563A1 (fr) 2019-11-21

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN113055342A (zh) * 2019-12-26 2021-06-29 华为技术有限公司 一种信息处理方法及通信装置
CN113766500A (zh) * 2020-05-22 2021-12-07 华为技术有限公司 一种网络的接入方法、装置及系统

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113055342A (zh) * 2019-12-26 2021-06-29 华为技术有限公司 一种信息处理方法及通信装置
CN113766500A (zh) * 2020-05-22 2021-12-07 华为技术有限公司 一种网络的接入方法、装置及系统

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