WO2013091383A1 - Procédé et appareil pour déterminer une entité mtc-iwf - Google Patents

Procédé et appareil pour déterminer une entité mtc-iwf Download PDF

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Publication number
WO2013091383A1
WO2013091383A1 PCT/CN2012/079865 CN2012079865W WO2013091383A1 WO 2013091383 A1 WO2013091383 A1 WO 2013091383A1 CN 2012079865 W CN2012079865 W CN 2012079865W WO 2013091383 A1 WO2013091383 A1 WO 2013091383A1
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WIPO (PCT)
Prior art keywords
mtc
iwf entity
hss
address
entity address
Prior art date
Application number
PCT/CN2012/079865
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English (en)
Chinese (zh)
Inventor
王胡成
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电信科学技术研究院
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Publication of WO2013091383A1 publication Critical patent/WO2013091383A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4588—Network directories; Name-to-address mapping containing mobile subscriber information, e.g. home subscriber server [HSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for determining a Machine Type Communication Interworking Function (MTC-IWF) entity.
  • MTC-IWF Machine Type Communication Interworking Function
  • MTC-IWF Machine-Type Communication Interworking Function
  • the current 3GPP protocol has discussed how the MTC server looks for the MTC-IWF entity. However, how to find the MTC-IWF for the service through the Packet Radio System (GPRS) Support Node (Serving GSN, SGSN) / Mobility Management Entity (MME) The issue of the entity has not been discussed.
  • GPRS Packet Radio System
  • MME Mobility Management Entity
  • the MTC system architecture is divided into a roaming architecture and a non-roaming architecture. As shown in FIG. 1 , it is an existing 3GPP Non-Roaming MTC system architecture, where the MTC-IWF entity is only in the local public land mobile network ( In the Home Public Land Mobile Network, HPLMN, the MTC server is only connected to the MLC-IWF entity of the HPLMN, that is, the MTCsp interface is only the interface between the MTC server and the HPLMM.
  • the MTC-IWF entity is only in the local public land mobile network ( In the Home Public Land Mobile Network, HPLMN, the MTC server is only connected to the MLC-IWF entity of the HPLMN, that is, the MTCsp interface is only the interface between the MTC server and the HPLMM.
  • HPLMN Home Public Land Mobile Network
  • the interface between the SGSN/MME and the MTC-IWF entity may have a roaming interface T5a/T5b, that is, between the SGSN/MME of the virtual public land mobile network (VPLMN) and the MTC-IWF entity of the HPLMN. connection.
  • a roaming interface T5a/T5b that is, between the SGSN/MME of the virtual public land mobile network (VPLMN) and the MTC-IWF entity of the HPLMN. connection.
  • Domain-Identifier A domain (domain) controlled by the Mobile Network Operator (MNO) that can be used to find the MTC-IWF entity (i.e. IP address on MTCsp).
  • MNO Mobile Network Operator
  • the Domain-Identifier can further indicate the MTC-IWF entity application specific (specific for application).
  • the Local-Identifier Assigned by the MNO, unique within the domain. The operator uses the identifier to obtain the internal identifier of the UE.
  • the structure of the Local Identifier is flexible.
  • the Local Identifier can include the following different parts: The part used to find the MNO database (MNO database), such as the Subscriber Number part of an E.164 MSISDN (TS 23.003) or other MNO specific scheme; the client application related part, such as the sequence Serial number, chassis number for car, etc.
  • MNO database such as the Subscriber Number part of an E.164 MSISDN (TS 23.003) or other MNO specific scheme
  • the client application related part such as the sequence Serial number, chassis number for car, etc.
  • the user equipment (UE)'s internal ID is still used to identify the user equipment.
  • the Home Subscriber Server (HSS) is responsible for returning information such as the internal identifier of the user equipment.
  • the determination method of the downlink MTC-IWF entity is mentioned in 3GPP TR23.888, mainly for the device trigger (Device Trigger) feature.
  • the MTC server can determine the downlink MTC-IWF entity by static configuration. It is also possible to determine the downlink MTC-IWF entity by means of a Domain Name Server (DNS) query.
  • DNS Domain Name Server
  • the static configuration method requires that the address of the MTC-IWF entity be configured on the MTC server.
  • the MTC server requests a query from the DNS server by issuing a DNS request and carrying the external identifier of the UE.
  • the DNS server returns the address of the MTC-IWF entity to the MTC server according to the address registered by the previous MTC-IWF entity.
  • the MTC Server since the MTC Server is not connected to all MTC-IWF entities (the MTC server may only be connected to the MTC-IWF entity of the HPLMM), the method of selecting the downlink MTC-IWF is considered in the existing protocol, however The prior art has not considered how to determine the problem of the MTC-IWF entity used for uplink data transmission.
  • Embodiments of the present invention provide a method and apparatus for determining an MTC-IWF entity, and a data transmission method and apparatus for determining an MTC-IWF entity used for uplink data transmission, so that the SGSN/MME can pass the MTC- The IWF entity performs uplink data transmission.
  • the method for determining the machine type communication interaction function MTC-IWF entity includes: the home subscription subscriber server HSS determines the MTC-IWF entity according to the pre-configured MTC-IWF entity address in the subscription information of the user equipment UE; Or,
  • the HSS When receiving the message sent by the MTC-IWF entity requesting the internal identifier of the UE, the HSS records the MTC-IWF entity address, and determines the MTC-IWF entity according to the recorded MTC-IWF entity address; or
  • the HSS uses the UE external identifier or the fully qualified domain name FQDN from the domain name server by using the UE's subscription information.
  • the DNS finds the MTC-IWF entity address to determine the MTC-IWF entity.
  • Another method for determining a machine type communication interaction function MTC-IWF entity includes: Obtaining an MTC-IWF entity address from the home subscriber server HSS;
  • the MTC-IWF entity is determined based on the MTC-IWF entity address obtained from the HSS.
  • a data transmission method provided by an embodiment of the present invention performs data transmission by using the MTC-IWF entity determined by the method for determining an MTC-IWF entity.
  • An MTC-IWF entity address pre-configuration unit configured to determine an MTC-IWF entity according to a pre-configured MTC-IWF entity address in the subscription information of the user equipment UE;
  • the MTC-IWF entity address recording unit is configured to: when receiving the message sent by the MTC-IWF entity requesting the internal identifier of the UE, record the MTC-IWF entity address, #the MTC-IWF entity address of the record, determine the MTC -IWF entity; or,
  • the DNS query unit is configured to determine the MTC-IWF entity address from the domain name server DNS by using the UE external identifier or the fully qualified domain name FQDN in the subscription information of the UE, thereby determining the MTC-IWF entity.
  • An apparatus for determining a machine type communication interaction function MTC-IWF entity includes: an MTC-IWF entity address obtaining unit, configured to acquire an MTC-IWF entity address from a home subscriber server HSS;
  • a determining unit configured to determine an MTC-IWF entity according to an MTC-IWF entity address obtained from the HSS.
  • a data transmission apparatus provided by an embodiment of the present invention includes the apparatus for determining an MTC-IWF entity, and:
  • a transmitting unit configured to perform data transmission by using the MTC-IWF entity determined by the apparatus for determining the MTC-IWF entity.
  • the home subscriber network server HSS determines the MTC-IWF entity according to the pre-configured MTC-IWF entity address; or the HSS receives the request sent by the MTC-IWF entity in the called MT communication for the user equipment UE.
  • the UE internally identifies the message, the MTC-IWF entity address is recorded, and the MTC-IWF entity is determined according to the recorded MTC-IWF entity address; or, the HSS checks the DNS from the domain name server by using the UE external identifier or the fully qualified domain name FQDN.
  • the MTC-IWF entity address is determined to determine the MTC-IWF entity, so that the SGSN/MME can perform uplink data transmission through the determined MTC-IWF entity, which greatly reduces the number of times of querying the DNS server and reduces the consumption of network signaling resources.
  • 1 is a schematic diagram of a non-roaming architecture of a 3GPP system of MTC;
  • Figure 2 is a schematic diagram of the MT communication process
  • FIG. 3 is a schematic flowchart of a method for determining an MTC-IWF entity according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a request for an SGSN/MME to request an MTC-IWF entity address from an HSS according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an apparatus for determining an MTC-IWF entity according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of an apparatus for determining an MTC-IWF entity according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • Embodiments of the present invention provide a method and apparatus for determining an MTC-IWF entity, and a data transmission method and apparatus for determining an MTC-IWF entity used for uplink data transmission, so that the SGSN/MME can perform uplink through the MTC-IWF entity. data transmission.
  • the MTC-IWF entity queries the Home Subscriber Server (HSS) for the internal ID of the UE, such as the International Mobile Subscriber Identifier (International Mobile Subscriber Identifier, When IMSI), the HSS can record the address of the MTC-IWF entity. Therefore, the SGSN/MME can query the HSS for the MTC-IWF entity that previously served the UE through the S6a/d interface; in the calling (MO) communication scenario, if An MTC-IWF entity can serve a certain UE, and the HSS can also record the MTC-IWF entity, so that the SGSN/MME can directly select the MTC-IWF entity according to the record in the HSS.
  • HSS Home Subscriber Server
  • a method for determining an MTC-IWF entity includes:
  • An MTC-IWF entity address pre-configuration unit configured to determine an MTC-IWF entity according to a pre-configured MTC-IWF entity address in the subscription information of the user equipment (UE); or
  • the MTC-IWF entity address recording unit is configured to: when receiving the message sent by the MTC-IWF entity requesting the internal identifier of the UE, record the MTC-IWF entity address, #the MTC-IWF entity address of the record, determine the MTC -IWF entity; or,
  • the DNS query unit is configured to determine the MTC-IWF entity address from the domain name server DNS by using the UE external identifier or the fully qualified domain name FQDN in the subscription information of the UE, thereby determining the MTC-IWF entity.
  • the method further includes:
  • the HSS provides the MTC-IWF entity address to the SGSN according to the request of the serving GPRS support node SGSN; or
  • the HSS provides the MTC-IWF entity address to the MME according to the request of the mobility management entity MME.
  • a method for determining an MTC-IWF entity includes the following steps:
  • the MTC-IWF entity address is obtained from the HSS, including:
  • the MTC-IWF physical address provided by the HSS is pre-signed and configured by default on the HSS; or
  • the MTC-IWF entity address provided by the HSS is the MTC-IWF physical address recorded when the HSS receives the message requesting the internal identifier of the UE sent by the MTC-IWF entity in the called MT communication of the user equipment UE, that is, The HSS records the address of the MTC-IWF entity when the MTC-IWF entity queries the HSS for the internal ID through the S6m interface according to the external ID of the UE; or
  • the MTC-IWF entity address provided by the HSS is the MTC-IWF entity address that the HSS checks from the DNS server by using the UE external identifier or the fully qualified domain name FQDN.
  • the SGSN/MME may issue a query to the HSS. Request, the HSS returns its recorded MTC-IWF entity address to the SGSN/MME.
  • the HSS updates the address of the recorded MTC-IWF entity each time it receives an internal ID query request from the MTC-IWF entity.
  • a data transmission method provided by an embodiment of the present invention performs data transmission by using the MTC-IWF entity determined by the foregoing method.
  • the MTC server (server) initiates the MT communication to the UE, the record of the MTC-IWF entity must be saved on the HSS.
  • the SGSN/MME can be obtained from the HSS. The address of the MTC-IWF entity.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the MTC Server wants to trigger the UE to establish a connection, and then selects the MTC-IWF entity, and then sends an MTC Device Trigger through the MTC-IWF entity;
  • the selected MTC-IWF entity After receiving the MTC Device Trigger, the selected MTC-IWF entity will use the external ID of the UE to send an internal ID query to the HSS.
  • the HSS After receiving the query request of the internal ID, the HSS records the address of the MTC-IWF entity;
  • the UE After the MTC Device Trigger is delivered to the UE, the UE needs to return an MTC Device Trigger Report (Trigger Report) to the SGSN/MME;
  • Trigger Report MTC Device Trigger Report
  • the SGSN/MME When the SGSN/MME receives the Trigger Report, if the association with the UE is not established with the MTC-IWF entity, for example, the previous MTC-IWF entity is overloaded and the partial association is released, or the MTC-IWF entity is restarting, etc., the SGSN/MME The address of the MTC-IWF entity needs to be requested from the HSS.
  • the DNS query is initiated by using the external ID of the UE or the FQDN of the configured MTC-IWF entity, as shown in step B in Figure 4;
  • the HSS saves and returns a new MTC-IWF entity address to the SGSN/MME;
  • the SGSN/MME determines the new MTC-IWF entity through the new MTC-IWF entity address, and can subsequently use the new The MTC-IWF entity sends the Device Trigger Report.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • a UE with small data transmission capability needs to initiate uplink small data transmission, and the UE carries uplink small data by using a message such as a NAS Uplink Transport.
  • the SGSN/MME After receiving the uplink small data, the SGSN/MME determines that the uplink small data is sent by using an interworking function (IFF), and the SGSN/MME sends a request for acquiring the MTC-IWF entity address to the HSS.
  • IFF interworking function
  • the MTC-IWF entity address is returned, as shown in steps A and C in FIG. 4; otherwise, the UE's external ID or configured MTC is used.
  • the FQDN of the IWF entity initiates a DNS query, as shown in step B of Figure 4;
  • the HSS saves and returns the MTC-IWF entity address to the SGSN/MME;
  • the SGSN/MME determines the MTC-IWF entity through the MTC-IWF entity address, and subsequently sends the uplink small data through the MTC-IWF entity.
  • an apparatus for determining a machine type communication interaction function MTC-IWF entity includes:
  • the MTC-IWF entity address pre-configuration unit 11 is configured to determine an MTC-IWF entity according to a pre-configured MTC-IWF entity address in the subscription information of the user equipment UE; or
  • the MTC-IWF entity address recording unit 12 is configured to: when receiving the message sent by the MTC-IWF entity requesting the internal identifier of the UE, record the MTC-IWF entity address, the MTC-IWF entity address of the record, and determine the MTC -IWF entity; or,
  • the DNS query unit 13 is configured to determine the MTC-IWF entity address from the domain name server DNS by using the UE external identifier or the fully qualified domain name FQDN in the subscription information of the UE, thereby determining the MTC-IWF entity.
  • the device further comprises:
  • the MTC-IWF entity address providing unit 14 is configured to provide the MTC-IWF entity address to the SGSN according to the request of the serving GPRS support node SGSN; or provide the MTC-IWF entity address to the MME according to the request of the mobility management entity MME .
  • the means for determining the MTC-IWF entity may be an HSS.
  • an apparatus for determining an MTC-IWF entity includes:
  • the MTC-IWF entity address obtaining unit 21 is configured to obtain an MTC-IWF entity address from the home subscription subscriber server HSS.
  • the determining unit 22 is configured to determine an MTC-IWF entity according to the MTC-IWF entity address obtained from the HSS.
  • the MTC-IWF entity address obtaining unit 21 is specifically configured to: Sending a request to the HSS to obtain an MTC-IWF entity address;
  • the MTC-IWF entity address provided by the HSS is pre-signed by default on the HSS; or, the HSS requests the MTC-IWF entity in the called MT communication for the user equipment UE to request the internal identifier of the UE.
  • the MTC-IWF entity address is recorded; or the MTC-IWF entity address that the HSS finds from the domain name server DNS by using the UE external identifier or the fully qualified domain name FQDN.
  • the device for determining the MTC-IWF entity may be an SGSN or an MME.
  • a data transmission apparatus includes the foregoing apparatus for determining an MTC-IWF entity, and:
  • the transmitting unit 23 is configured to perform data transmission by using an MTC-IWF entity determined by the device that determines the MTC-IWF entity.
  • the data transmission apparatus provided by the embodiment of the present invention may be an SGSN or an MME.
  • the SGSN/MME or the HSS obtains the address of the MTC-IWF entity according to the external identifier of the user equipment, and the HSS records the address of the MTC-IWF entity.
  • the embodiment of the present invention solves the problem that is not solved by the prior art, and obtains the MTC-IWF entity information from the home subscription subscriber server HSS, and determines the MTC-IWF entity according to the MTC-IWF entity information acquired from the HSS, thereby The MTC-IWF entity used for the uplink data transmission is determined, so that the SGSN/MME can perform uplink data transmission through the MTC-IWF entity, which can greatly reduce the number of times of querying the DNS server and reduce the consumption of network signaling resources.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention is in the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.
  • These computer program instructions can also be stored in a particular computer capable of booting a computer or other programmable data processing device In a computer readable memory that operates in a computer readable memory, causing instructions stored in the computer readable memory to produce an article of manufacture comprising instruction means implemented in a block or in a flow or in a flow chart and/or block diagram of the flowchart The functions specified in the boxes.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • 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 appareil pour déterminer une entité MTC-IWF, servant à déterminer une entité MTC-IWF utilisée pour une transmission de données en liaison montante, de manière à ce qu'un SGSN/MME puisse envoyer des données de liaison montante par l'intermédiaire de l'entité MTC-IWF. Le procédé comprend les opérations suivantes : un serveur d'abonné résidentiel (HSS) détermine une entité MTC-IWF conformément à une adresse d'entité MTC-IWF préconfigurée dans des informations d'abonnement d'un équipement utilisateur (UE); ou, lors de la réception d'un message envoyé par une entité MTC-IWF pour demander un identificateur interne d'UE, un HSS enregistre une adresse d'entité MTC-IWF et détermine l'entité MTC-IWF conformément à l'adresse d'entité MTC-IWF enregistrée; ou un HSS obtient une adresse d'entité MTC-IWF auprès d'un serveur de nom de domaines (DNS) par utilisation d'un identificateur externe d'UE figurant dans des informations d'abonnement d'UE ou d'un nom de domaine totalement qualifié (FQDN), ce qui permet de déterminer l'entité MTC-IWF.
PCT/CN2012/079865 2011-12-22 2012-08-09 Procédé et appareil pour déterminer une entité mtc-iwf WO2013091383A1 (fr)

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CN201110435050.9 2011-12-22

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