WO2012041156A1 - Procédé et dispositif permettant l'accès réseau pour un équipement mtc - Google Patents

Procédé et dispositif permettant l'accès réseau pour un équipement mtc Download PDF

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Publication number
WO2012041156A1
WO2012041156A1 PCT/CN2011/079390 CN2011079390W WO2012041156A1 WO 2012041156 A1 WO2012041156 A1 WO 2012041156A1 CN 2011079390 W CN2011079390 W CN 2011079390W WO 2012041156 A1 WO2012041156 A1 WO 2012041156A1
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Prior art keywords
mtc device
network
access
indication
area
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PCT/CN2011/079390
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English (en)
Chinese (zh)
Inventor
田野
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电信科学技术研究院
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Publication of WO2012041156A1 publication Critical patent/WO2012041156A1/fr

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    • 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
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and device for accessing a network by an MTC device. Background technique
  • M2M machine room
  • Machine-to-Machine communication refers to a combination of technologies and technologies that use wireless mobile communication technology to realize data communication and interaction between machines and machines, machines and people. Such technology provides a means for various terminal devices to establish wireless connections and transfer data information between systems, between remote devices, and between individuals in real time.
  • 3GPP The 3 rd Generation Partnership Project, Third Generation Partnership Project
  • SA Services and System Aspects, services and systems
  • Working Group 1 report requirements defined in TS 22.368 MTC (Machine Type Communications, network communication) network architecture, MTC's general service requirements and specific service requirements.
  • MTC Machine Type Communications, network communication
  • the MTC network architecture adds MTC Server (MTC Server) and designs two relational structures within the Operator Domain and the Operator Domain.
  • General requirements include address, identification, billing, security, remote management and more.
  • the specific requirements are based on the characteristics of the specific application scenarios, and the MTC is divided into several characteristics, such as: low mobility, time control, time tolerance, only PSD (Packet Switched Domain) data, small data volume.
  • the Low Mobility MTC feature considered here means that MD (MTC Device, MTC device) does not move, or moves infrequently, or moves only within a certain area. It specifically includes the following requirements:
  • the network operator should be able to reduce the mobility management frequency or the centralized mobility management process for each MTC device;
  • the network operator should be able to dynamically configure each MTC device to reduce the mobility management frequency or the centralized mobility management process
  • the network operator should be able to define the frequency of MTC device location updates
  • the network operator should be able to define low mobility for each MTC Subscription.
  • Paging stepwise Paging within reported area Calling several optimization mechanisms. These mechanisms mainly capture the limited characteristics of low mobile device active areas, and perform paging according to the specific location (such as cell, tracking area, etc.) where the MTC equipment is located, thereby effectively improving the system. At the same time, it can be seen that the mobility management of MTC devices with the highest accuracy at the cell level is a consensus reached by the 3GPP conference on the discussion of Low Mobility features.
  • the eNodeB (Base Station) uses the Initial UE Message to transmit the initial Layer 3 message to the MME (Mobility Management Entity).
  • the specific format is shown in Table 1:
  • the NAS message The NAS message.
  • the NAS message The NAS message.
  • the eNodeB carries the TAI (Tracking Area Identifier) and the E-UTRAN (Evolved Universal Terrestrial Radio Access Network) of the ETU. Network access) CGI (Cell Global Identity).
  • TAI Track Area Identifier
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • CGI Cell Global Identity
  • the RNC Radio Network Controller
  • the SGSN Serving GPRS Support Node
  • RNC-ID IE is
  • RNC-ID IE shall be
  • the RNC will carry the LAI (Location Area Identity) and the SAI (Service Area Identity) of the current location of the terminal device.
  • LAI Location Area Identity
  • SAI Service Area Identity
  • RAC Raster Area Code
  • PDU Packet Data Unit
  • Attach Request Tracking/Routing Area Update Request
  • Service Request Three NAS messages.
  • the existing scheme mainly discusses how to perform paging optimization and reduce the signaling overhead of such devices in the communication process.
  • the current discussion ignores the mobility management and access control issues of Low Mobility end devices.
  • a low mobility MD typically has a defined range of mobility, if the MD moves beyond the location grant area and initiates access to the network (ie, the MD initiates access outside of the network licensed location area), then the network pair How the MD should be handled is something that is not considered in current research. In this case, if the network does not manage the access to the MD, then it means that the MD will be able to move around the network as well as the normal terminal.
  • the definition of low mobility in machine-like communications will lose its meaning.
  • the present invention provides a method and device for accessing a network of an MTC device, which solves the problem of mobility management and access control of an MTC device having a Low Mobility characteristic.
  • an aspect of the present invention provides a method for a machine type communication MTC device to access a network, including:
  • the network side device receives an access request message that is sent by the MTC device by using the network access node corresponding to the MTC device and carries the current location information of the MTC device;
  • the network side device performs network access processing on the MTC device according to the access request message.
  • the embodiment of the present invention further provides a network side device, including: a setting module, configured to set an allowed access area of the MTC device; and a receiving module, configured to receive, by the MTC device, a network corresponding to the MTC device An access request message that is sent by the ingress node and carries the current location information of the MTC device; the determining module is configured to determine whether an area corresponding to the current location information of the MTC device received by the receiving module belongs to the The allowed access area of the MTC device set by the setting module;
  • the processing module is configured to perform network access processing on the MTC device according to the access request message received by the receiving module when the determining result of the determining module is YES.
  • an embodiment of the present invention further provides a method for an MTC device to access a network, including:
  • the network access node sends the current location information of the MTC device to the network side device according to the received access request message sent by the MTC device.
  • Access request message ;
  • the network access node sends the indication message to the MTC device, so that the MTC device performs corresponding network access processing or denial access processing according to the processing indication carried by the indication information.
  • the embodiment of the present invention further provides a network access node, including: a receiving module, configured to receive an access request message sent by an MTC device corresponding to the network access node, or sent by a network side device And an indication message, where the indication message carries a processing indication generated by the network side device according to a determination result that the area corresponding to the current location information of the MTC device belongs to the allowed access area of the MTC device;
  • a processing module configured to: when the receiving module receives an access request message sent by the MTC device corresponding to the network access node, generate an access request message that carries the current location information of the MTC device;
  • a sending module configured to send, by the processing module, an access request message that carries current location information of the MTC device to the network side device, or when the receiving module receives the network side device to send
  • the indication message is sent to the MTC device, and the MTC device performs corresponding network access processing or denial access processing according to the processing indication carried by the indication information.
  • the present invention has the following advantages:
  • the current location information of the MTC device is carried in the access request message sent to the network side device, so that the network side device can determine whether the current location of the MTC device belongs to the preset MTC.
  • the terminal device initiates access outside the network licensed location area Terminal access management and control issues in case of request.
  • FIG. 1 is a schematic flowchart of a method for an MTC device to access a network according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a network side device according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a network access node according to an embodiment of the present invention.
  • the Stage 1 protocol TS 22.368 protocol defines the Low Mobility feature for MTC devices with the goal of low mobility.
  • the mobility management process of a class of devices reduces the frequency of mobility management, thereby reducing network overhead.
  • the current discussion ignores the mobility management issues of Low Mobility terminal equipment.
  • the embodiment of the present invention provides a mobility management method for a low mobility MTC device.
  • the network side device can determine that the current location information of the MTC device is carried in the access request message sent to the network side device. Whether the current location of the MTC device belongs to the area that the MTC device allows access, and determines whether to allow access of the MTC device according to the judgment result and the corresponding policy.
  • a schematic flowchart of a method for an MTC device to access a network includes the following steps:
  • Step S101 The network access node receives an access request message sent by the corresponding MTC device.
  • the MTC device is an access request message sent to the corresponding network access node when it is switched from the detached state to the attached state or from the idle state to the connected state.
  • Step S102 The network access node sends the network access node to the network side device according to the access request message. Sending an access request message carrying the current location information of the MTC device.
  • Step S103 The network side device receives an access request message that is sent by the network access node and carries the current location information of the MTC device.
  • Step S104 The network side device determines whether the area corresponding to the current location information of the MTC device belongs to the allowed access area of the MTC device.
  • the allowed access area information of the MTC device may be preset in the network device, or the corresponding information may be stored by other devices, so that the network side device performs corresponding query.
  • the network side device performs network access processing on the MTC device according to the access request message, and sends an indication message carrying the access indication to the MTC device.
  • indication information may pass the MTC.
  • the network access node corresponding to the device performs forwarding. However, during the forwarding process, the network access node does not interpret or modify the indication message, but directly forwards the indication message.
  • Manner 1 The network side device directly rejects the access request message of the MTC device, and sends an indication message carrying the rejection indication to the MTC device.
  • the indication message may also carry a reason value corresponding to the rejection operation.
  • the network side device performs network access processing on the MTC device according to the access request message, and performs charging on the MTC device according to other preset charging methods.
  • the indication message may also carry a cause value corresponding to the charging operation according to another preset charging manner.
  • the application can be restricted by using a special charging method.
  • such indication information may also be forwarded by the network access node corresponding to the MTC device, but in the forwarding process, the network access node does not interpret the indication message. Or modify, just forward directly.
  • the specific application of the above method needs to be adjusted according to actual needs, and such changes do not affect the protection scope of the present invention.
  • Step S105 The MTC device receives an indication message that is returned by the network side device and carries a processing indication generated according to the determination result.
  • such an indication message may be forwarded to the MTC device by the network access node, or may be directly sent to the MTC device by other means, and such a change does not affect the protection scope of the present invention.
  • Step S106 The MTC device performs corresponding network access processing or denial access processing according to the processing indication carried in the indication message, and specifically includes:
  • the MTC device performs corresponding network access processing, which specifically includes:
  • the network side device performs network access processing on the MTC device according to the access request message, and sends an indication message carrying the access indication to the MTC device.
  • the processing indication carried in the indication message is specifically an access indication
  • the MTC device performs corresponding network access processing.
  • the processing indication carried in the indication message is specifically an access indication
  • the indication message further includes a cause value corresponding to the charging operation of the MTC device according to other charging methods.
  • the network side device will charge the MTC device according to other charging methods, and the MTC device can display or notify the user of the cause value according to the setting, or directly store it for the user to query.
  • the MTC device performs corresponding denial access processing.
  • the MTC device may set the reason according to the setting. Values are displayed or notified to the user, or stored directly for user inquiries.
  • the current location information of the MTC device carried in the access request message and/or the information of the allowed access region of the preset MTC device in the network side device is specifically as follows a group of regions or regions Combined:
  • the current location information of the MTC device and/or the information of the allowed access area of the MTC device are specifically the following information or a combination of multiple information:
  • the network access node corresponding to the network side device and the MTC device is specifically:
  • the RNC corresponding to the SGSN and MTC devices.
  • the present invention has the following advantages:
  • the current location information of the MTC device is carried in the access request message sent to the network side device, so that the network side device can determine whether the current location of the MTC device belongs to the preset MTC.
  • the terminal access management and control problem in the case where the terminal device initiates an access request outside the network permission location area.
  • the current location information of the MTC device is carried in the access request message sent to the network side device, so that the network side device can determine whether the current location of the MTC device is An area that the MTC device allows access to, if it initiates a network access request outside the location area permitted by the network, the network side device rejects the request to refuse to provide services for the MTC device, or allows the MTC device to access.
  • the MTC device is charged by using other preset charging methods.
  • the specific processing procedure is as follows: SGSN/MME (that is, the foregoing network side device), the location area and the network permission when the MTC device carried in the S1/Iu/Gb interface signaling (such as the Initial UE Message) initiates the access request. Compared to the MTC device location area Compared.
  • the SGSN/MME will accept the access request of the MTC device.
  • the SGSN/MME will reject the access request of the MTC device and return an appropriate cause value to the MTC device; or, the SGSN/MME accepts the access request of the MTC device, but adopts other charging methods for the MTC device to perform charging. . At this point, the SGSN/MME returns an appropriate cause value to the MTC device indicating that the network will otherwise charge for it.
  • the MTC device location area of the network license is the location area where the network operator determines whether the MTC device uses or accepts the network communication service according to the subscription data established with the user, the operator policy, and the like. It may be a cell, a location area, a routing area, a tracking area, a service area, and combinations of these areas. Accordingly, the identifiers representing the location areas may be CGI, ECGL LAL RAL TAI, SAI, combinations thereof, and the like.
  • the access request initiated by the MTC device mainly refers to a process that can change the MTC device from the detached state to the attached state or from the idle state to the connected state, such as the Attach process, TAU/RAU (Tracking Area Update/ Routing Area Update) , Tracking area update/routing area update) process, Service Request process, etc.
  • Attach process TAU/RAU (Tracking Area Update/ Routing Area Update)
  • Tracking area update/routing area update) process Tracking area update/routing area update
  • Service Request process etc.
  • the embodiment of the present invention describes the foregoing process by implementing the technical solution in a specific application scenario.
  • Application scenario 1 (initiating an access request through the S1 interface):
  • the MTC device location area is stored in the subscription data of the HSS (Home Subscriber Server) MTC device as part of the subscription data, and the location management accuracy of the network to the MTC device is cell level.
  • HSS Home Subscriber Server
  • the MTC device location area of the network license recorded in the subscription data is E-UTRAN cell ECGI 1.
  • the MTC device If the MTC device is in the detached state, in order to use the network service, the MTC device sends an Attach Request message to the MME to initiate the attach process.
  • the eNodeB After receiving the Attach Request message through the RRC message, the eNodeB will The encapsulation is further forwarded to the MME in the S1AP (SI Application Protocol): Initial UE Message message.
  • SI Application Protocol SI Application Protocol
  • the SI AP Initial UE Message carries the identifier of the cell where the MTC device is currently located.
  • the MME After receiving the Attach Request message, the MME obtains the subscription information of the MTC device from the HSS, and learns that the location area of the MTC device subscription is the E-UTRAN cell ECGI 1.
  • the MME performs the following judgment according to the obtained related information:
  • Initial UE message indicates that the MTC device is an Attach Request message sent in the E-UTRAN cell ECGI 1, the MME will continue processing according to the existing Attach process, and accept the MTC device when the subsequent operations are successfully completed. Attach request.
  • the MME will immediately reject the attach request of the MTC device (for example, the MTC device sends an Attach Request message in another cell (such as an E-UTRAN cell ECGI 2 or UTRAN cell) due to the movement and returns the appropriate cause value to the MTC device.
  • the MME accepts the access request of the MTC device and returns an appropriate reason value indicating that the network will adopt other methods for charging.
  • the MME reports to the P-GW/PCEF/PCRF (Packet Data Network Gateway/Policy and Charging Enforcement Function/Policy and Charging Rules Function) that the MTC device is currently located by the process defined in the existing TS 23.401 protocol. The location area, which causes the billing system to adopt a new charging method to charge the MTC device.
  • P-GW/PCEF/PCRF Packet Data Network Gateway/Policy and Charging Enforcement Function/Policy and Charging Rules Function
  • the MME can also start the Location Reporting Procedure to monitor the location of the MTC device, and start the Location Change Reporting Procedure when the location of the MTC device changes.
  • - GW/PCEF/PCRF reports the new location area where the MTC device is located, so that it adopts the corresponding charging policy.
  • the MTC device If the MTC device is successfully attached to the network and is in the idle state, the MTC device initiates a TAU operation when the TAU trigger condition is met, and initiates a Service Request when the RAB (Radio Access Bearer) needs to be established. operating.
  • the sent TAU Request/Service Request message is sent to the MME through the Initial UE Message. After that, the MME sets the MTC according to the message provided. The location information is used to make the above determination, and then decide whether to allow access to the network.
  • the analogous process described above can be similarly processed.
  • Application scenario 2 (initiating an access request through the Iu interface;):
  • the system can adopt the same processing method as the application scenario.
  • the Iu interface Initial UE Message needs to add a new IE to carry the identification information of the cell where the terminal is located. Specifically, as shown in Table 3:
  • Extended RNC-ID 0 The Extended RNC-ID IE shall YES reject
  • the LAC or Global RNC-ID will be uniquely identified along with the Cell ID.
  • the core network node can determine the legality of the location area where the MTC device is located, thereby determining whether to allow the MTC device to access the network.
  • the present invention has the following advantages:
  • the current location information of the MTC device is carried in the access request message sent to the network side device, so that the network side device can determine whether the current location of the MTC device belongs to the preset MTC.
  • the terminal device initiates access outside the network licensed location area Terminal access management and control issues in case of request.
  • the present invention further provides a network side device, and a schematic structural diagram thereof is shown in FIG. 2, including:
  • the setting module 21 is configured to set an allowable access area of the MTC device.
  • the receiving module 22 is configured to receive an access request message that is sent by the MTC device and that carries the current location information of the MTC device by using the network access node corresponding to the MTC device.
  • the judging module 23 is configured to determine whether an area corresponding to the current location information of the MTC device received by the receiving module 22 belongs to an allowed access area of the MTC device set by the setting module 21.
  • the processing module 24 is configured to perform network access processing on the MTC device according to the access request message received by the receiving module 22 when the determination result of the determining module 23 is YES.
  • the setting module 21 is further configured to set another charging mode.
  • the processing module 24 is further configured to: reject the receiving of the MTC device received by the receiving module 22. The request message is received; or, the MTC device performs network access processing according to the access request message received by the receiving module 22, and performs charging for the MTC device according to other charging modes set by the setting module 21.
  • sending module 25 is further included for:
  • the MTC device When the processing module 24 rejects the access request message of the MTC device, the MTC device sends an indication message rejecting the operation, where the reason value corresponding to the rejection indication and the rejection operation is carried; or
  • the processing module 24 When the processing module 24 performs network access processing on the MTC device according to the access request message, and performs charging on the MTC device according to other charging modes, the processing module 24 sends an indication message to the MTC device, where the access indication and the other charging are carried. The reason for the reason value corresponding to the billing operation.
  • the network side device is specifically an MME or an SGSN:
  • the network access node corresponding to the MTC device is a base station corresponding to the MTC device;
  • the network access node corresponding to the MTC device has The body is the RNC corresponding to the MTC device.
  • FIG. 3 which includes:
  • the receiving module 31 is configured to receive an access request message sent by the MTC device corresponding to the network access node, or an indication message sent by the network side device, where the indication message carries the area corresponding to the current location information of the MTC device by the network side device. Whether it is a processing instruction generated by the judgment result of the permitted access area of the MTC device.
  • the processing module 32 is configured to: when the receiving module 31 receives the access request message sent by the MTC device corresponding to the network access node, generate an access request message that carries the current location information of the MTC device;
  • the sending module 33 is configured to send, by the processing module 32, an access request message that carries the current location information of the MTC device to the network side device, or when the receiving module 31 receives the indication message sent by the network side device, The message is sent to the MTC device, and the MTC device performs corresponding network access processing or denial access processing according to the processing indication carried by the indication information.
  • the access request message received by the receiving module 31 is sent by the MTC device to the network access node when it is switched from the detached state to the attached state or from the idle state to the connected state.
  • the indication message received by the receiving module 31 is that when the network side device determines that the area corresponding to the current location information of the MTC device belongs to the allowed access area of the MTC device, generating an access indication and carrying the If the network side device determines that the area corresponding to the current location information of the MTC device does not belong to the allowed access area of the MTC device, generating an access indication and performing other charging methods.
  • the reason value corresponding to the charging operation performed by the MTC device is carried in the indication message, and the indication message received by the receiving module 31 is the area corresponding to the current location information of the MTC device.
  • a rejection indication is generated and the reason value corresponding to the rejection indication and the rejection operation is carried in the indication message.
  • the network access node corresponding to the MTC device is specifically an MTC device.
  • the network side device is specifically an MME
  • the network side device is specifically the SGSN.
  • the present invention has the following advantages:
  • the access request message sent to the network side device carries the current location information of the MTC device, so that the network side device can determine whether the current location of the MTC device belongs to the MTC device. Entering the area, and determining whether to allow the access of the MTC device according to the judgment result and the corresponding policy, thereby improving the mobility management mechanism of the network device with low mobility characteristics of the terminal device, especially solving the terminal device Terminal access management and control issues in the case of an access request outside the network permission location area.
  • the present invention can be implemented by hardware or by software plus necessary general hardware platform.
  • the technical solution of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including several The instructions are for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various implementation scenarios of the present invention.
  • modules in the apparatus in the implementation scenario may be distributed in the apparatus for implementing the scenario according to the implementation scenario description, or may be correspondingly changed in one or more devices different from the implementation scenario.
  • the modules of the above implementation scenarios may be combined into one module, or may be further split into multiple sub-modules.

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Abstract

L'invention concerne un procédé et un dispositif permettant l'accès réseau pour un équipement MTC. Dans la solution technique proposée par un mode de réalisation de cette invention, un message de demande d'accès à l'équipement coté réseau envoyé contient une information de localisation courante de l'équipement MTC de telle sorte que l'équipement côté réseau puisse à la fois déterminer si l'emplacement courant de l'équipement MTC se trouve sur la zone d'accès autorisée prédéfinie de l'équipement MTC et si l'accès de l'équipement MTC est autorisé en fonction des résultats et de la politique correspondante. Ainsi, on améliore la gestion de la mobilité de l'équipement terminal à mobilité faible dans une communication de type machine et, plus particulièrement, on résout le problème de commande et de gestion d'accès au terminal lors de la demande d'accès initialisée en dehors de la zone d'emplacement autorisée par le réseau pour l'équipement terminal.
PCT/CN2011/079390 2010-09-30 2011-09-06 Procédé et dispositif permettant l'accès réseau pour un équipement mtc WO2012041156A1 (fr)

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CN106793064A (zh) * 2015-11-25 2017-05-31 成都鼎桥通信技术有限公司 位置更新方法及集群系统
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WO2010074034A1 (fr) * 2008-12-26 2010-07-01 日本電気株式会社 Système de communication, station de base femto, serveur de contrôle d'état d'appel, serveur d'abonné à domicile, procédé de communication et programme

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