WO2009043262A1 - Procédé et dispositif de contrôle d'accès - Google Patents

Procédé et dispositif de contrôle d'accès Download PDF

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Publication number
WO2009043262A1
WO2009043262A1 PCT/CN2008/072401 CN2008072401W WO2009043262A1 WO 2009043262 A1 WO2009043262 A1 WO 2009043262A1 CN 2008072401 W CN2008072401 W CN 2008072401W WO 2009043262 A1 WO2009043262 A1 WO 2009043262A1
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WO
WIPO (PCT)
Prior art keywords
access control
control list
hhss
identifier
imsi
Prior art date
Application number
PCT/CN2008/072401
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English (en)
Chinese (zh)
Inventor
Xiaohan Liu
Min Huang
Original Assignee
Huawei Technologies 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
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to CN200880007243.0A priority Critical patent/CN101669327B/zh
Publication of WO2009043262A1 publication Critical patent/WO2009043262A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101—Access control lists [ACL]

Definitions

  • the present invention relates to a method for access control in the field of communications, and in particular, to a method and apparatus for performing access control. Background technique
  • HNB home base stations
  • HNB refers to a small, small base station for home or office use. It may be completely private. It can also be opened to the public for use with different priorities and permissions. Its ownership is private, not government or operation. Business; its use of objects may be a small range of users, but also a wide range of users.
  • HNB is used to implement wireless access, which can better utilize existing network resources, save more network equipment operators' costs, and combine the advantages of mobile access networks and fixed access networks.
  • HNB is a private device that does not require outsiders to use it without the owner's permission.
  • the tariff covered by HNB is more favorable than the macro network, and it is desirable to limit the UEs that use HNB. Therefore, the HNB needs to provide access control functions to judge and limit the UEs trying to access the HNB. Only the access of the authorized UE is accepted, and the camping of the unlicensed UE is rejected, and the normal use of the unlicensed UE in the macro cell cannot be affected at the same time.
  • CSG Closed Subscriber Group
  • a CSG may contain one HNB cell and may also contain multiple HNB cells. Each CSG corresponds to an access control list. The UEs in the incoming control list can use all HNBs in the CSG, and other UEs will be denied access.
  • the owner of the HNB may wish to add the friend's UE to the access control list and delete the UE after the friend leaves, which will result in the change of the access control list. Will be more frequent. Users can change the access control list through the Web, HNB, and other means. Since the International Mobile Subscriber Identity (IMSI) is confidential information, the user cannot obtain it at all, so that the user can only use the mobile station integrated service digital network (MS-ISDN) of the UE, that is, The mobile phone number of the UE is used to modify the access control list.
  • IMSI mobile station integrated service digital network
  • the access control can be performed on the network side or in the HNB. Because there are too many signalings involved in access control on the network side, access control needs to be performed in the HNB, because the user usually uses temporary mobility. Temporary Mobile Station Identity (TMSI), so the implementation of access control can only use TMSI, and IMSI is rarely needed.
  • TMSI Temporary Mobile Station Identity
  • an embodiment of the present invention provides a method and an apparatus for performing access control, where the network for a home base station HNB includes: receiving a modify access control list request, and modifying the access control list request The first identifier of the user equipment UE is included; the access control list is modified according to the modified access control list, where the access control list includes the first identifier and the second identifier of the UE; The access control list performs access control on the UE.
  • the embodiment of the present invention further provides an apparatus for performing access control, which is used for performing access control on a UE, where the apparatus includes: a messaging module, an information storage module, and an access control module, where the message transceiver module For receiving a modify access control list request, the modified access control list requesting to carry the first identifier of the UE; the information storage module, configured to store an access control list, and receive according to the message receiving and receiving module
  • the modified access control list is requested to modify the access control list, where the access control list includes the first identifier and a second identifier of the UE; the access control module is configured to The access control list performs access control on the UE.
  • a method for performing access control provides a specific configuration and usage method of an access control list when using a device for performing access control, for example, a user can access the HNB at home, by inputting an MS-ISDN Alternatively, you can register, modify, or delete the authorized UE by setting the MS-ISDN through the customer service hotline or the WEB webpage provided by the operator. And gives specific details on how to use The scheme is used to restrict the UE from accessing the entity in which the device is located, that is, the entity may perform access control on the UE according to the IMSI, TMSI or other identifier and access control list of the UE.
  • FIG. 1 is a schematic flowchart of a user configuring an access control list according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of an HHSS access control list update according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a process for updating an access control list saved by an HNB by an HHSS according to an embodiment of the present invention
  • FIG. 4 is a schematic flow chart of updating an access control list saved by an HNB by an SGSN according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an HNB according to an embodiment of the present invention. detailed description
  • the intermediate node between the HNB, or the GPRS GPRS Support Node (SGSN), or the HNB and the Core Network (CN) performs access control on the UE (hereinafter, the HNB is taken as an example).
  • the HNB determines whether the accessed UE is legal according to the IMSI (or other identifier) and the TMSI of the UE. Therefore, the access control list maintained by the HNB includes the IMSI (or other identifier) and the TMSI of the UE, as shown in Table 1 and Table. 2, an embodiment of an access control list saved for HNB:
  • the access control list saved by the HNB may further include a new identifier defined by the HHSS according to the IMSI to the UE, as shown in Table 2.
  • the HNB performs access control on the UE according to the foregoing access control list, that is, the UE is allowed to access only when there is related information of the UE in the access control list saved by the HNB.
  • the access control list in the HNB needs to be updated in time.
  • the entity that controls the access control list in the HNB to update may be an HNB Home Subscriber Server (HHSS), or an HSS, or a GPRS service support node (Severing GPRS Support). Node, SGSN), that is, when the access control list information in the HHSS or HSS or SGSN changes, the HNB is notified to modify its access control list.
  • HHSS HNB Home Subscriber Server
  • SHA-1 GPRS service support node
  • Node, SGSN that is, when the access control list information in the HHSS or HSS or SGSN changes, the HNB is notified to modify its access control list.
  • Embodiment 1 of the present invention provides a method for updating an access control list of an HNB by an HHSS or an HSS.
  • the first case occurs when the user configures the access control list using the MS-ISDN of the UE.
  • the HHSS on the network side stores the HNB subscription information, including: security information, HNB identifier, CSG identity (CSG ID) of the HNB, and UE access control list for each CSG.
  • a CSG may contain one or more HNBs.
  • the access control list may be the same. Therefore, an access control list can be maintained for each CSG on the HHSS, that is, each access control list is identified by a different CSG ID. HHSS does not have to have all HNBs belonging to one CSG To maintain its access control list, just maintain the access control list of the CSG. Alternatively, an access control list may be maintained for each HNB on the HHSS. For example, Table 3 lists the access control list of each HNB saved in the HHSS:
  • the HHSS may also be configured to define a new identifier for the UE according to the IMSI, and the identifier may be the sequence number of the UE, or may be other forms, but the UE may be uniquely identified, as shown in Table 4. .
  • a flow chart when a user configures an access control list by using an MS-ISDN of the UE includes:
  • Step 101 The HHSS receives the modified access control list request for adding or deleting the MS-ISDN of the UE.
  • the user sends an MS-ISDN request to add or delete the UE to the HHSS through the receiving station, or through the WEB webpage provided by the operator, or by setting or deleting the MS-ISDN of the UE in the OM interface of the HNB.
  • Step 102 The HHSS receives the request message of the MS-ISDN added or deleted by the UE, and sends an IMSI query request message to the HSS to which the UE belongs.
  • the query message carries the MS-ISDN of the UE.
  • Step 103 The HSS queries the corresponding information of the UE according to the received MS-ISDN.
  • Step 104 The HSS sends an IMSI query response message to the HHSS, where the message carries the IMSI of the UE.
  • Step 105 The HHSS modifies the access control list according to the received IMSI information, that is, adds or deletes the IMSI of the UE in the access control list saved by the HHSS.
  • Step 106 The HHSS sends a modify access control list response message to the requester that adds or deletes the MS-ISDN.
  • the HHSS may also define a new identifier for the UE according to the received IMSI in step 105, and add the IMSI of the UE and the new one in the saved access control list. logo.
  • the HSS in the above process can also save the access control list information.
  • the CSG information related to the CSG to be stored in the UE may be included in the UE, or may include the CSG ID of the CSG that the UE is allowed to access, or the UE may not be connected.
  • the CSG ID of the incoming CSG, which belongs to the UE's subscription information, is also stored in the HSS.
  • the correspondence between CSG and HHSS is also stored in the HSS, that is, which CSGs are included in an HHSS.
  • the HNB is notified to modify its saved access control list. The specific process will be analyzed in detail later.
  • the update of the access control list of the HHSS may also be after the UE Service Identity Module (USIM) is lost.
  • USIM UE Service Identity Module
  • the reissued USIM card will retain the original MS-ISDN, but the IMSI has changed.
  • the operator needs to update the original IMSI corresponding to the MS-ISDN on the HSS, and update the corresponding information of the IMSI in the access control list on the HHSS.
  • the HSS keeps the subscription information of the UE, including the CSG ID of the CSG that the UE is allowed to access or the CSG ID of the CSG that the UE does not allow access to.
  • the HSS also stores the correspondence between the CSG and the HHSS, that is, which HHSS is included in the HSS.
  • FIG. 1 is a schematic diagram of the process of refreshing the access control list saved by the HHSS in the above situation, including:
  • Step 201 The HSS searches for the corresponding original IMSI according to the MS-ISDN of the UE, and searches for the CSG to which the UE belongs and the HHSS to which the CSG belongs according to the IMSI, and then updates the original IMSI.
  • Step 202 The HSS sends a request to the HHSS to modify an IMSI request message, where the message carries the original IMSI and the updated IMSI.
  • Step 203 The HHSS searches for the access control list corresponding to the CSG according to the original IMSI, and updates the original IMSI in the access control list to a new IMSI.
  • step 203 becomes:
  • Step 2031 The HHSS searches for the access control list corresponding to the CSG according to the received old IMSI, updates the original IMSI in the access control list to a new IMSI, and defines a new identifier for the UE according to the new IMSI.
  • the HNB subscription information is stored in the HSS, the above process can be implemented directly between the user and the HSS.
  • the entity HHSS is optional.
  • the above describes two cases in which the access control list changes on the HHSS or the HSS.
  • the access control lists on the two entities change, they notify the HNB to update the access control list saved by the HNB, so that the HNB can The latest information to access control the UE.
  • HHSS or HSS controls the HNB to update the access control list.
  • FIG. 3 is a schematic diagram of the process of updating the access control list in the HNB by the HHSS, including the following steps:
  • Step 301 The HHSS modifies its saved access control list.
  • Step 302 The HHSS sends a modify access control list request message to the HNB, where the message carries
  • the information of the UE includes the IMSI of the UE, or the original IMSI of the UE and the updated IMSI.
  • Step 303 The HNB modifies its saved access control list according to the IMSI.
  • the access control list saved by the HNB in the foregoing step 303 may be added or deleted.
  • the IMSI of the UE or update the original IMSI to the new IMSI.
  • Step 304 The HNB sends a modify access control list acknowledgement message to the HHSS.
  • step 302 and step 303 are respectively changed to:
  • Step 3021 The HHSS sends a modify access control request message to the HNB, where the message carries the information of the UE, including the new identifier defined by the HHSS to the UE, or the original new identifier of the UE and the updated new identifier.
  • Step 3031 The HNB modifies its saved access control list.
  • the HNB modifies the saved access control list to add or delete a new identity of the UE for the HNB, or update the original new identity to a new new identity.
  • the HNB is controlled by the HSS. Update the access control list.
  • the embodiment of the present invention provides a specific method for performing access control on the HNB.
  • By performing access control on the HNB a large number of signaling processes during access control on the network side can be avoided, and the signaling load of the SGSN is reduced.
  • the access control can also be performed in the SGSN.
  • the SGSN stores the access control information as shown in Table 5.
  • the information of the UE is obtained from the HHSS and the HSS, or other databases according to the identity of the UE and the identity of the HNB itself.
  • the UE information maintained by the SGSN may further include a new identity of the UE defined by the HHSS according to the IMSI.
  • the process is the same as the process of the first embodiment of the present invention, that is, the HHSS or the HSS updates the access control information saved by the SGSN.
  • the second embodiment of the present invention provides a method for performing access control on a UE by using an IMSI or a TMSI of an UE and an access control list, including:
  • the access control on the HNB is performed after the radio resource control (RRC) connection is successfully established.
  • RRC radio resource control
  • the access control on the HNB is Performed after the switch request.
  • the HNB obtains the UE identity (IMSI or TMSI, etc.) information from the UE, and compares it with the access control list stored in the HNB to determine whether the UE is allowed to access, thereby implementing access control to the UE.
  • the IMSI is used only when the UE performs initial network attach (Attach) after power-on, and uses TMSI for communication in the subsequent communication process for security reasons. Each time the UE shuts down or the location is updated, the network will re-allocate the TMSI to the UE.
  • the access control is performed on the HNB, the HNB needs to perform access control on the UE according to the TMSI of the UE. Therefore, the SGSN needs to update the TMSI saved on the HNB in time.
  • the TMSI is constantly changing, and the efficiency is very low if the TMSI changes of the UE are synchronized to the HNB each time.
  • the TMSI of the UE when the TMSI of the UE is updated, and the UE is close to the HNB, the TMSI saved on the HNB is updated, thereby implementing access control on the HNB.
  • the SGSN determines, according to the access control information stored in Table 5, whether the routing area (RA) to which the macro cell belongs is adjacent to the RA to which the subscribed HNB belongs.
  • FIG. 4 is a schematic flowchart of an SGSN updating an access control list saved by an HNB according to an embodiment of the present disclosure, which specifically includes:
  • Step 401 The SGSN determines that the TMSI of the UE changes.
  • the SGSN obtains the following information according to the subscription information of the UE and the related information list of the HNB: 1) the HNB ID of the HNB that the UE subscribes to and the RA ID of the HNB; A list of RAs adjacent to the RA.
  • the SGSN determines whether the current RA of the UE is adjacent to the RA where the HNB of the UE is located according to the foregoing information. If yes, step 402 is performed, and if no, the process ends.
  • Step 402 The SGSN sends a modify access control list request message to the HNB that is subscribed by the UE, where the UE information carried in the message includes the IMSI of the UE and the changed TMSI.
  • Step 403 The HNB modifies the corresponding information in the access control list according to the foregoing UE information.
  • Step 404 The HNB returns a modify access control list acknowledgement message to the SGSN, where the message carries the modification success or the modification failure information.
  • step 402 and step 403 are respectively:
  • Step 4021 The SGSN sends a modify access control list request message to the HNB, where the message carries the UE information, including the new identifier of the UE and the changed TMSI.
  • Step 4031 The HNB modifies the corresponding information in the access control list according to the foregoing UE information.
  • the movement across the RA may occur. If the method of the second embodiment is still used, there is a problem. Because if the UE is shut down or powered off, it just enters the HNB across the adjacent RA of the HNB. Since the TMSI is not sent to the HNB when the UE is powered off or powered off, the access control list on the HNB is not new according to the UE. The TMSI is updated in a timely manner so that a legitimate UE cannot access the HNB.
  • the access control may be performed on the HNB by using the following schemes, including: if the UE is normally shut down, the UE sends a disconnection request to the SGSN, and after receiving the detach request, the SGSN sends a modified access control list to the HNB.
  • a request message carrying the IMSI of the UE and the TMSI when the UE is disconnected from the network. If the UE is shut down abnormally, for example, when the power is off, when the location update timer of the UE expires, the SGSN will set the state of the UE to the detach state.
  • the network side may adjust the location update timer period of the UE according to the distance of the UE from the HNB that is allowed to access, and notify the UE to perform corresponding adjustment. After the UE accesses the HNB, the network side adjusts the location update timer period of the UE to a normal value, and notifies the UE to perform adjustment.
  • This embodiment provides a method for updating the access control list saved by the HNB when the TMSI of the UE is changed, and updating based on the two judgments in the embodiment, which can improve the update efficiency and reduce the signaling process. save resources.
  • the embodiment of the present invention further provides an apparatus for performing access control, where the apparatus may be located in an intermediate node between the HNB, or the SGSN, or the HNB and the CN, for performing access control on the UE, where the apparatus includes a message transceiver module. 501, an information storage module 502, an access control module 503, wherein
  • the messaging module 501 is configured to receive a modified access control list request sent by the HHSS or the HSS or the SGSN; if the device is in the SGSN, the module is only used to receive the modified access control list request from the HHSS or the HSS.
  • the modified access control list request carries the information of the UE required to modify the list, and the information may carry the IMSI and TMSI of the UE, or the new identifier defined by the HHSS to the UE.
  • the information storage module 502 is configured to store access control information, and is used to update information of the information storage module.
  • the access control module 503 is configured to perform access control on the UE according to the access control information stored in the information storage module 502.

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

Abstract

L'invention concerne un procédé et un dispositif de contrôle d'accès. Le procédé concerne un réseau équipé d'une station de base de nœud d'origine (HNB) et comprend la réception d'une demande de modification de la liste de contrôle d'accès avec la première identité de équipement d'utilisateur (UE), la modification de la liste de contrôle d'accès qui renferme la première identité et la seconde identité de l'UE, selon ladite demande, puis le contrôle de l'accès à l'UE en fonction de la liste de contrôle d'accès modifiée. Les utilisateurs utiliseront et colocaliseront rapidement l'ACL grâce à l'invention, de façon à contrôler l'accès à l'UE.
PCT/CN2008/072401 2007-09-27 2008-09-18 Procédé et dispositif de contrôle d'accès WO2009043262A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200880007243.0A CN101669327B (zh) 2007-09-27 2008-09-18 一种进行接入控制的方法以及装置

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CN200710077386.6 2007-09-27
CNA2007100773866A CN101400106A (zh) 2007-09-27 2007-09-27 一种家用基站接入控制的方法

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WO2013053552A1 (fr) * 2011-10-10 2013-04-18 Ip.Access Limited Procédé pour permettre la gestion d'une liste de contrôle d'accès, système de gestion de nœud b domestique et système de communication cellulaire correspondants
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WO2011015047A1 (fr) * 2009-08-04 2011-02-10 中兴通讯股份有限公司 Procédé et système pour un nœud b domestique de mode d'accès hybride pour obtenir le mode d’accès d’un équipement utilisateur
US8559911B2 (en) 2009-08-04 2013-10-15 Zte Corporation Method and system for a home NodeB of hybrid access mode to obtain the access mode of a user equipment
US8838644B2 (en) 2009-11-25 2014-09-16 International Business Machines Corporation Extensible access control list framework
WO2013053552A1 (fr) * 2011-10-10 2013-04-18 Ip.Access Limited Procédé pour permettre la gestion d'une liste de contrôle d'accès, système de gestion de nœud b domestique et système de communication cellulaire correspondants

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