WO2012122938A1 - Procédé et dispositif permettant de mettre à jour des informations de cellules csg et de contrôler l'accès - Google Patents

Procédé et dispositif permettant de mettre à jour des informations de cellules csg et de contrôler l'accès Download PDF

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Publication number
WO2012122938A1
WO2012122938A1 PCT/CN2012/072324 CN2012072324W WO2012122938A1 WO 2012122938 A1 WO2012122938 A1 WO 2012122938A1 CN 2012072324 W CN2012072324 W CN 2012072324W WO 2012122938 A1 WO2012122938 A1 WO 2012122938A1
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Prior art keywords
information
terminal
csg cell
cell information
csg
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PCT/CN2012/072324
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English (en)
Chinese (zh)
Inventor
杨宁
Original Assignee
中国移动通信集团公司
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Publication of WO2012122938A1 publication Critical patent/WO2012122938A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and an apparatus for CSG cell information update and access control. Background technique
  • CSG Cellular Subscriber Grou
  • CSG Cell Subscriber Grou
  • the terminal Before accessing the network, the terminal first reads the identifier of the CSG cell from the CSG cell, and matches the identifier of the read CSG cell with the identifier of the CSG cell in the CSG list stored by the terminal, so as to determine whether the CSG can be accessed. Community.
  • the prior art provides a method for updating a CSG list initiated by a network side, where the mobile management entity (Mobile Management Entity) and the terminal's allowed access list (CSG list)
  • the CSG list on the network side is updated by the Home Subscriber Server (HSS), and the user of the PDN-GW (Public Data Network-Gateway) is updated with the CSG list on the user side.
  • HSS Home Subscriber Server
  • PDN-GW Public Data Network-Gateway
  • the terminal cannot be paged for some reason, the CSG list on the network side cannot be kept consistent with the user equipment side in a certain period of time, and the terminal cannot access the network resources reasonably, thereby reducing the utilization of network resources. effectiveness.
  • M2M Machine Type Communications
  • the deployment of the home base station is difficult to coordinate with each other, so that the access control of the MTC terminal cannot be implemented by the prior art; for other terminals, the CSG list and the terminal side of the network side exist. Inconsistent situations make the terminal unable to access properly. Even if the deployment of the MTC terminal and the home base station can be coordinated with each other, there is still a case where the CSG list on the network side is inconsistent with the terminal side, so that the MTC terminal cannot be properly accessed.
  • the prior art also provides an access control method for a terminal.
  • the method when the terminal accesses the local device, the CSG list of the base station is ignored, but the access is directly performed, and the home base station sends the related information of the terminal to the core network.
  • the core network authenticates to allow or deny access to the terminal.
  • the embodiment of the invention provides a method and a device for updating CSG cell information, so as to initiate CSG cell information update and synchronization by the terminal side.
  • the terminal receives the cell information sent by the closed subscriber group CSG cell, obtains the CSG cell information that can be accessed according to the received cell information, and sends the CSG cell information that can be accessed to the network side;
  • the CSG cell information of the terminal includes:
  • An acquiring unit configured to receive cell information sent by a closed user group CSG cell, and obtain CSG cell information that can be accessed according to the received cell information;
  • a sending unit configured to send, by the acquiring unit, the CSG cell information that can be accessed to the network side;
  • a receiving unit configured to receive CSG cell information that is allowed to be accessed by the network side or confirm information about the CSG cell information that can be accessed;
  • an updating unit configured to update CSG cell information of the terminal according to the CSG cell information that is allowed to be accessed by the receiving unit or the acknowledgement information of the CSG cell information that can be accessed.
  • the network side receives the closed subscriber group CSG cell information that is sent by the terminal, and the CSG cell information that can be accessed is obtained by the terminal according to the received cell information sent by the CSG cell; Confirming the CSG cell information that can be accessed, and updating the CSG cell information of the terminal stored in the network side after confirming the transmission, and transmitting the CSG cell information that is allowed to be accessed through the confirmation or the The confirmation information of the accessed CSG cell information is sent to the terminal.
  • a receiving unit configured to receive, by the terminal, the closed subscriber group CSG cell information that is accessible by the terminal, where the CSG cell information that can be accessed is obtained by the terminal according to the received cell information sent by the CSG cell;
  • a confirmation unit configured to confirm the CSG cell information that can be accessed by the receiving unit, the CSG cell information or the acknowledgement information of the CSG cell information that can be accessed to the terminal; and an update indication unit, And transmitting, to the home subscriber server, the CSG cell information that is allowed to be accessed after the acknowledgment is passed, and instructing the home subscriber server to update the stored CSG cell information of the terminal.
  • the terminal obtains the CSG cell information that can be accessed by receiving the cell information, and sends the CSG cell information to the network side, where the network side can access the terminal.
  • the CSG cell information of the terminal is updated, and the confirmation result is sent to the terminal, and the terminal updates the CSG cell information according to the confirmation result, thereby implementing the CSG cell information update process initiated by the terminal side, thereby ensuring
  • the terminal can reasonably access network resources and improve the utilization efficiency of network resources.
  • the embodiment of the invention further provides another access control method and device, which implements access control to the terminal by carrying the access indication information to the system message.
  • the terminal When determining, according to the allowed access indication information in the system information, that the terminal is allowed to access the base station, the terminal adds the cell of the base station to the closed user group CSG cell information of the terminal, or/and accesses The cell of the base station.
  • a receiving unit configured to receive system information sent by the base station, where the system information carries the permission access indication information
  • a processing unit configured to determine, according to the allowed access indication information in the system information, that the cell of the base station is added to the CSG cell information of the terminal, or/and access The cell of the base station.
  • a setting unit configured to set, in the system information of the base station, the access indication information, where the permission access indication information is used to indicate that the terminal accesses the cell of the base station;
  • a sending unit configured to send the system information.
  • the base station cell when transmitting the system information, the base station cell carries the access indication information to the system information, and the terminal can perform the base station cell as the base station of the terminal according to the indication.
  • the cell or the cell of the base station is accessed, so that the terminal can reasonably access the network resource and improve the utilization efficiency of the network resource.
  • FIG. 1 is a schematic diagram of an application scenario in which an MTC terminal, a home base station, and a macro base station are jointly deployed in the prior art;
  • FIG. 1 is a schematic flowchart of a method for updating CSG cell information according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic flowchart of an access control method according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram of a system information format according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a terminal according to another embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a network device according to another embodiment of the present invention. detailed description
  • the MTC terminal receives the cell information that is sent by the CSG cell, and obtains the CSG cell information that can be accessed according to the received cell information, and reports the information to the core network, and the CSG cell information that the core network obtains for the MTC terminal. Confirming and transmitting the CSG cell information or the acknowledgment information of the CSG cell information that can be accessed by the acknowledgment to the MTC terminal, and the MTC terminal confirms the CSG cell information that is allowed to access or the CSG cell information that can be accessed.
  • the information is updated to the CSG cell information, thereby solving the problem that the CSG cell information of the network side and the MTC terminal side are inconsistent due to the inability of the MTC terminal to page, and the timely updating of the CSG cell information of the MTC terminal is ensured, so that the MTC terminal can be properly accessed.
  • Network equipment rational use of network resources.
  • the CSG cell information that the MTC terminal can access according to the received cell information, and the CSG cell information that the core network returns to allow access, can usually be expressed in the form of a CSG list (such as Al lowed CSG L i s t ).
  • the CSG list in the embodiment of the present invention may be used to record the CSG identifier of the network node accessible by the MTC, and may further include other information, such as access mode information.
  • Embodiment 1 In the first embodiment of the present invention, an LTE (Long Term Evolution) system architecture is taken as an example, and a CSG list update process is proposed.
  • the process may include the following steps:
  • Step 201 The MTC terminal receives the cell information sent by the CSG cell, and obtains a CSG list according to the received cell information.
  • the MTC terminal may receive the information sent by the CSG cell by using a cell measurement or detection process, and generate a CSG list that can be accessed according to the received information of the CSG cell.
  • the MTC terminal can measure the network access nodes around the MTC terminal in a preset manner, for example, in an idle state, or can trigger the measurement by setting a specific event.
  • the CSG list may include information about one or more cells that the MTC terminal can detect. The specific implementation of the cell information received by the MTC terminal in this step and the CSG list that can be accessed according to this can be used in the existing manner.
  • Step 202 The MTC terminal sends the CSG list that can be accessed to the base station.
  • Step 203 The base station sends the CSG list that can be accessed to the MME.
  • Step 204 The MN confirms the CSG list that can be accessed by the MTC terminal according to the MTC terminal related information (such as the subscription information) stored by the HSS, and obtains the CSG list that is allowed to access by confirming. Or the confirmation information of the CSG list that can be accessed by the terminal.
  • the MTC terminal related information such as the subscription information
  • the MME when the MN confirms the CSG list that can be accessed by the MTC terminal, the MME first sends a request for acquiring the information about the MTC terminal (such as the subscription information) to the HSS, and after obtaining the related information returned by the HSS, according to the The related information returned by the acquired HSS confirms the CSG list that the MTC terminal can access.
  • the subscription information of the MTC terminal specifies the requirements of the cell that the MTC terminal can access, and if the E-E determines that a cell in the CSG list reported by the MTC terminal meets the requirement of the subscription information, the MTC terminal reports the The cell in the CSG list is confirmed to pass, otherwise it will not be confirmed.
  • the message between the MME and the H S S can be forwarded by the PGW (PDN-Ga teway, Packet Data Gateway).
  • the MME may generate a CSG list for allowing access according to the result of the acknowledgment.
  • the CSG list may record the identifier of the CSG cell that the MME has confirmed to allow the terminal to use, and may further include other information related to the terminal accessing the CSG cell.
  • the MN may also generate acknowledgment information of the CSG cell information that can be accessed by the terminal side, and the acknowledgment information may indicate that the terminal side is allowed or not allowed to update according to the CSG list that it reports.
  • Step 205 The MME instructs the HSS to update its stored CSG of the MTC terminal according to the result of the confirmation. List.
  • the E-E can send the CSG list that is allowed to access or the acknowledgment information of the CSG list that can be accessed to the HSS, and the HSS updates the stored CSG list of the MTC terminal according to the CSG list or the acknowledgment information sent by the E-E. . ⁇ E can forward the CSG list or confirm the information to the HSS through the PGW.
  • Step 206 The solid E sends the CSG list that is allowed to access or the acknowledgement information of the CSG list that can be accessed to the MTC terminal through the control plane (that is, through the control plane signaling), and the MTC terminal updates the CSG list on the MTC terminal according to the acknowledgement information. That is, the original CSG list of the MTC terminal is updated according to the CSG list confirmed in step 204.
  • step 206 solid E will send the CSG list or acknowledgment information for access to the HSS, and the HSS sends to the MTC terminal through the user plane (ie, through user plane signaling); another alternative to step 206 After the CSG updates the CSG list of the MTC terminal that is stored by the HSS, the CSG list or the acknowledgment information corresponding to the access is generated according to the update result, and is sent to the MTC terminal through the user plane signaling.
  • the MTC terminal When the MTC terminal accesses the CSG cell, it can access from the CSG cell in the updated CSG list. Specifically, the MTC terminal can select one CSG cell from the CSG list for access, or can also be used from the detected CSG cell. Select one and find if the selected CSG cell ID is updated.
  • the MTC terminal actively reports the CSG list obtained by means of cell measurement or detection to the core network side for confirmation.
  • the core network updates the CSG list of the MTC terminal on the network side after confirmation, on the other hand.
  • the local CSG list is updated, so that the MTC terminal and the CSG list on the network side can be updated in time, and the cooperation problem between the MTC terminal and the home base station is solved, and the MTC is guaranteed.
  • the timely update of the terminal CSG list enables the MTC terminal to access appropriate network resources, thereby making reasonable use of network resources.
  • the second embodiment of the present invention provides an access control method. As shown in FIG. 3, the process of the method may include the following steps:
  • Step 301 The MTC terminal receives system information sent by the base station, where the system information carries the permission access indication information.
  • the base station may be a home base station, or another communication base station having a CSG management function, and may set an MTC terminal permission indication information (such as MTC Al owed) in the system information of the base station, and the MTC terminal allows access indication information. It is used to indicate that the MTC terminal is allowed to access the home base station.
  • the MTC terminal allows the access indication information to be 1 bit of identification information, and the value thereof may be 0 or 1. When it is 0, it indicates that the MTC terminal is allowed to access, and when it is 1, it indicates that the MTC terminal is not allowed to access, and vice versa. Also.
  • the MTC terminal allows the access indication information to be carried in one of the S IB1 - 13 system information, or other types of system information, such as MIB/S IB2.
  • Fig. 4 shows an S IB1 system information format in which an MTC terminal is allowed to access an indication information option.
  • the MTC terminal allowed access indication information (csg-MTC enab led) is added to the S IB1 system information.
  • the MTC terminal allows the value of the access indication to be set to allow, the cell allows the MTC terminal to access.
  • Step 302 The MTC terminal accesses the home base station or the home base station cell, or/and the home base station or the home, according to the MTC permission access indication information carried in the received system information, when it is allowed to access the base station,
  • the base station cell is added to its own CSG list.
  • the home base station may indicate that the MTC terminal is allowed to access by adding an MTC access indication information item, and indicates that the MTC terminal is not allowed to access by not adding the MTC Allow Access indication information item in the system information.
  • the home base station may add the MTC permission access indication information in the system information, and set the value to a parameter value indicating whether the MTC terminal is allowed to access. For example, a parameter value of 1 indicates that the MTC terminal is allowed to access, and the parameter value is 0 indicates that the MTC terminal is not allowed to access.
  • the MTC terminal After receiving the system information sent by the home base station and the parameter value is 0, the MTC terminal does not access the home base station or the home base station cell, and does not access the home base station or the home base station cell. Join the CSG list of the MTC terminal.
  • the MTC terminal is allowed to access the indication information in the system message sent by the base station, so that the MTC terminal can access the appropriate serving cell and use the network reasonably without violating the existing procedures. Resources, and further avoid the problem that a malicious MTC terminal attacks a home base station when the MTC terminal directly accesses.
  • the home base station may also be replaced by a base station.
  • the MTC terminal can also be replaced by other types of terminals.
  • the CSG list update mode initiated by the network side is solved.
  • the terminal side may not receive the problem of the CSG list updated by the network side; it is ignored in the prior art.
  • the terminal can perform reasonable access according to the access indication information carried in the system message.
  • the cell information of the accessible home base station is described by taking the CSG list as an example. In practical applications, other information for the access control of the home base station may also be used.
  • the embodiment of the present invention further provides a terminal and a network side device, as shown in FIG. 5 and FIG. 6, respectively.
  • the terminal provided by the embodiment of the present invention may be an MTC terminal, where the terminal may include: an acquiring unit, configured to receive cell information sent by a CSG cell, and obtain CSG cell information that can be accessed according to the received cell information. ;
  • the sending unit 12 is configured to send, to the network side, the CSG cell information that can be accessed by the obtaining unit 11;
  • the receiving unit 13 is configured to receive CSG cell information that is allowed to be accessed by the network side or confirm information about the CSG cell information that can be accessed;
  • the updating unit 14 is configured to update the CSG cell information of the terminal according to the CSG cell that is allowed to be accessed by the network side received by the receiving unit 13 or the acknowledgement information of the CSG cell information that can be accessed.
  • the receiving unit 13 is specifically configured to receive, by the network side, the CSG cell that is allowed to access through the user plane or the control plane, or the confirmation information of the CSG cell information that can be accessed.
  • the CSG cell information obtained by the obtaining unit 11 is a CSG list, and the CSG list may include a CSG identifier, or further include access mode information.
  • the CSG cell information received by the receiving unit is a CSG list, and the CSG list may include a CSG identifier, or further include access mode information or other information related to accessing the CSG cell.
  • the terminal is an MTC terminal.
  • the network device provided by the embodiment of the present invention may be a LTE system in the LTE system, and may be a core network device such as a GGSN and an SGSN in the 2G/3G system, where the network device may include:
  • the receiving unit 21 is configured to receive the CSG cell information that can be accessed by the terminal, where the CSG cell information that can be accessed is obtained by the terminal according to the received cell information sent by the CSG cell, and the determining unit 22 is configured to Confirming, by the receiving unit 21, the CSG cell information that can be accessed;
  • the sending unit 23 is configured to send, after the acknowledgment by the acknowledgment unit 22, the CSG cell information that is allowed to be accessed through the acknowledgment or the acknowledgment information of the CSG cell information that can be accessed;
  • the update instructing unit 24 is configured to send, to the home subscriber server, the CSG cell information that is allowed to be accessed by using the acknowledgement or the CSG cell information that can be accessed, and instruct the home subscriber server to perform the CSG cell of the terminal. Update of information.
  • the confirming unit 22 is specifically configured to confirm the CSG cell information according to the subscription information of the terminal.
  • the sending unit 23 is specifically configured to send, by using the control plane, the CSG cell information that is allowed to be accessed through the confirmation or the acknowledgement information of the CSG cell information that can be accessed to the terminal.
  • the terminal is a machine type communication MTC terminal, and the CSG cell information is a CSG list.
  • the embodiment of the present invention further provides a terminal and a network device, as shown in FIG. 7 and FIG. 8, respectively.
  • the terminal provided by the embodiment of the present invention may be an MTC terminal, and the terminal may include:
  • the receiving unit 31 is configured to receive system information sent by the base station, where the system information carries allowed access indication information;
  • the processing unit 32 is configured to determine, according to the allowed access indication information in the system information, that the cell of the base station is added to the CSG cell information of the terminal, or/and the access station The cell of the base station.
  • the processing unit 32 includes an update subunit 321 or / and an access processing subunit 322.
  • the update subunit 321 is configured to add a cell of the base station to CSG cell information of the terminal.
  • the access processing sub-unit 322 is configured to access the terminal to the cell of the base station.
  • the system information acquired by the acquiring unit 31 is: one of M I B, S I B 1 _13 or newly introduced system information.
  • the terminal is an MTC terminal, and the CSG cell information is a CSG list.
  • the terminal receives the system information that carries the access indication information, and performs the network device as the accessible network device according to the indication, thereby implementing the terminal connection.
  • the purpose of entering the network is not limited to the access indication information.
  • the network device provided by the embodiment of the present invention may include:
  • the setting unit 41 is configured to set, in the system information of the cell of the base station, the access indication information, where the access indication information is used to indicate that the terminal accesses the cell of the base station;
  • the sending unit 42 is configured to send the system information.
  • the setting unit 41 is specifically configured to carry the allowed access indication information in one of the MIB, the SIB1 - 13 or the newly introduced system information.
  • the network device provided by the embodiment of the present invention when transmitting the system information, sends the access indication information to the terminal, and the terminal can perform the network device as the accessible network device of the terminal according to the indication. Thereby, the purpose of accessing the network near the terminal is achieved.
  • the CSG cell information in the embodiment of the present invention is described by taking a CSG list as an example. In practical applications, other information for CSG cell access control may also be used.
  • the CSG list that is reported by the terminal is confirmed as the core network device, and the modules that actually use the device of the present invention may be integrated into one, or may be deployed separately. The above modules can be combined into one module, or further split into multiple sub-modules.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.
  • the serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.
  • the above disclosure is only a few specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.

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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

L'invention concerne un procédé et un dispositif permettant de mettre à jour des informations de cellules CSG (groupe d'abonnés fermé) et de contrôler l'accès. Le procédé comprend : la réception par un terminal d'informations de cellules envoyées par des cellules CSG, l'obtention, conformément aux informations de cellules reçues, d'informations concernant les cellules CSG accessibles, et l'envoi des informations des cellules CSG accessibles à un réseau ; la réception par un terminal d'informations, renvoyées par le réseau, concernant les cellules CSG dont l'accès est autorisé ou d'informations d'accusé de réception, renvoyées par le réseau, au sujet des informations des cellules CSG accessibles, et la mise à jour, conformément aux informations des cellules CSG dont l'accès est autorisé ou aux informations d'accusé de réception, des informations de cellules CSG du terminal. Le terminal reçoit les informations de cellules envoyées par les cellules CSG, et envoie les informations CSG obtenues au réseau ; un dispositif réseau accuse réception des informations de cellules CSG envoyées par le terminal et prévient le terminal pour qu'il effectue la mise à jour, ce qui garantit que le terminal peut accéder raisonnablement aux ressources réseau, et améliore l'efficacité d'utilisation des ressources réseau.
PCT/CN2012/072324 2011-03-14 2012-03-14 Procédé et dispositif permettant de mettre à jour des informations de cellules csg et de contrôler l'accès WO2012122938A1 (fr)

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CN2011100602322A CN102685711A (zh) 2011-03-14 2011-03-14 一种csg小区信息更新和接入控制的方法和设备
CN201110060232.2 2011-03-14

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CN101600157A (zh) * 2009-05-22 2009-12-09 深圳华为通信技术有限公司 小区的接入方法及装置、终端
CN101998579A (zh) * 2009-08-11 2011-03-30 中兴通讯股份有限公司 一种向用户设备提供家庭基站小区信息的方法及系统
WO2012022151A1 (fr) * 2010-08-20 2012-02-23 中兴通讯股份有限公司 Procédé et système de diffusion générale d'un paramètre de contrôle d'accès

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