WO2013091397A1 - Procédé et appareil de transmission de données - Google Patents

Procédé et appareil de transmission de données Download PDF

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Publication number
WO2013091397A1
WO2013091397A1 PCT/CN2012/080750 CN2012080750W WO2013091397A1 WO 2013091397 A1 WO2013091397 A1 WO 2013091397A1 CN 2012080750 W CN2012080750 W CN 2012080750W WO 2013091397 A1 WO2013091397 A1 WO 2013091397A1
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WO
WIPO (PCT)
Prior art keywords
mtc
iwf entity
small data
iwf
uplink
Prior art date
Application number
PCT/CN2012/080750
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English (en)
Chinese (zh)
Inventor
王胡成
Original Assignee
电信科学技术研究院
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Filing date
Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2013091397A1 publication Critical patent/WO2013091397A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
  • MTC Machine-Type Communication
  • a Machine-Type Communication (MTC) architecture is introduced in a 3GPP network architecture, in which a new node is added between the MTC server (server) and the 3GPP core network.
  • MTC-IWF Machine-Type Communication Interworking Function
  • the main function of the MTC-IWF entity is to expose the topology of the 3GPP network to the MTC server and provide an interface with the 3GPP network.
  • MTC server finds the MTC-IWF entity has been discussed in the current 3GPP protocol. However, the question of how to find the MTC-IWF entity for the Serving GPRS Support Node (SGSN)/Mobility Management Entity (MME) has not been discussed.
  • SGSN Serving GPRS Support Node
  • MME Mobility Management Entity
  • the MTC system architecture is divided into a roaming architecture and a non-roaming architecture. As shown in Figure 1, it is an existing 3GPP Non-Roaming MTC system architecture in which the MTC-IWF entity is only in the local public land mobile network (Home). In the Public Land Mobile Network, HPLMN), the MTC server is only connected to the MTC-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 (Home).
  • HPLMN Public Land Mobile Network
  • the MTC server is only connected to the MTC-IWF entity of the HPLMN, that is, the MTCsp interface is only the interface between the MTC server and the HPLMM.
  • 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.
  • External Identifier ⁇ Local-Identifier> ⁇ Domain-Identifier>, where:
  • Domain-Identifier Indicates a domain controlled by the MNO. Can be used to find the MTC-IWF entity (i.e. IP address on MTCsp) warrant Domain-Identifier can further indicate the MTC-IWF entity 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 such as the Subscriber Number part of an E.164 MSISDN (TS) 23.003) or other MNO specific programs;
  • the customer application related points such as serial number, chassis number for car, etc.
  • the user equipment (UE)'s internal ID is still used to identify the user equipment.
  • the HSS is responsible for returning information such as the internal identification 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 the DNS server to query the address of the MTC-IWF entity by sending 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 MTC-IWF entity.
  • 3GPP TR 23.888 (Note 2: According to stage 1 requirements the small data upper limit can be around 1000 octets ) also mentions a concept of small data transmission, that is, using signaling method or short message.
  • the method is to transmit data with small amount of data and infrequent transmission, in order to reduce the impact of small data transmission to existing systems, including signaling overhead, network resources, and delay of reconfiguration.
  • the method of small data transmission discussed in the prior art, there is a manner in which the NAS message is carried. As shown in FIG.
  • the MME/SGSN After receiving the NAS message carrying the small data, the MME/SGSN passes the small data and the MTC- The interface between the IWF entities is sent to the MTC-IWF entity, and then forwarded by the MTC-IWF entity to the MTC server.
  • the XXX interface labeled in Figure 3 is based on the currently determined network architecture and is the T5a/T5b interface. However, it has not yet formed a complete solution for transmitting uplink small data through MTC-IWF.
  • the MTC-IWF entity of the HPLMM is connected. Therefore, when considering the transmission of the uplink small data, the SGSN/MME needs to determine which MTC-IWF entity to use for transmission, so that the uplink small data can be routed to the MTC Server through the MTC-IWF entity; When considering the return of the Device Trigger report, the SGSN/MME may also need to find the MTC-IWF entity currently used by the Device Trigger, so that the MTC-IWF entity can perform operations according to the Device Trigger report (Report), for example, Clear saved Trigger messages, etc.
  • the Device Trigger report Report
  • the embodiments of the present invention provide a data transmission method and apparatus, which are used to implement uplink and data transmission by an SGSN/MME through an MTC-IWF entity.
  • a small data receiving unit configured to receive uplink small data
  • An MTC-IWF entity determining unit configured to determine a machine type communication interaction function MTC-IWF entity
  • a small data transmission unit configured to perform uplink small data transmission by using the MTC-IWF entity.
  • the uplink small data is received; the MTC-IWF entity is determined; the uplink small data transmission is performed by the MTC-IWF entity, thereby determining the MTC-IWF entity used for the uplink data transmission, so that the SGSN/MME can pass the MTC.
  • the IWF entity performs uplink small data transmission, and shortens the path of small data transmission and reduces the consumption of network signaling resources.
  • Figure 2 is a schematic diagram of the MT communication process
  • FIG. 3 is a schematic diagram of MTC-IWF entity transit when transmitting uplink small data by using NAS signaling;
  • FIG. 4 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a SGSN/MME querying an MTC-IWF physical address according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • the embodiments of the present invention provide a data transmission method and device, which are used to implement uplink and data transmission by an SGSN/MME through an MTC-IWF entity.
  • the MTC-IWF entity queries the Home Subscriber Server (HSS) for the internal ID of the UE, such as the International Mobile Subscriber Identifier (IMSI)
  • HSS Home Subscriber Server
  • IMSI International Mobile Subscriber Identifier
  • 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.
  • the HSS can also record the MTC-IWF entity, so that the SGSN/MME can directly The record in the HS S selects the MTC-IWF entity.
  • a method for determining an MTC-IWF entity includes the following steps:
  • the determining the MTC-IWF entity comprises:
  • the MTC-IWF entity is determined based on the fully qualified domain name FQDN of the statically configured MTC-IWF entity.
  • the external identifier of the user equipment, and the address of the statically configured MTC-IWF entity or the fully qualified domain name FQDN of the statically configured MTC-IWF entity are obtained from the subscription information of the user equipment.
  • the MTC-IWF entity when determining the MTC-IWF entity according to the external identifier of the user equipment, or determining the MTC-IWF entity according to the fully qualified domain name FQDN of the statically configured MTC-IWF entity, by sending a query request to the domain name server, The MTC-IWF entity is determined in the response result returned by the domain name server.
  • the address of the MTC-IWF entity can be pre-configured in the SGSN/MME.
  • the SGSN/MME may send the HSS/MME to the HSS.
  • the query 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 when it receives the internal ID query request from the MTC-IWF entity.
  • the received uplink small data is a small data volume data whose data volume is less than a set value encapsulated by an uplink NAS message; or is a machine type communication device encapsulated by an uplink NAS message to trigger a report of the MTC Device Trigger Report Message.
  • the small amount of data may be an amount of data specified according to user equipment subscription information or an operator configuration, for example, an amount of data smaller than 1000 bytes.
  • the uplink small data transmission is performed by the MTC-IWF entity, including:
  • the uplink small data is sent to the MTC-IWF entity through the T5a interface or the T5b interface.
  • the SGSN/MME selects the MTC-IWF entity that serves the user equipment by using the external identifier of the user equipment, and the SGSN/MME includes:
  • the SGSN/MME obtains the subscription from the HSS through the existing Update Location Ack message in the mobility management process, such as Attach, Tracking Area Update (TAU) Routing Area Update (RAU) or HO procedure. Information, thereby obtaining an external ID of the user equipment;
  • the SGSN/MME receives the uplink small data sent by the user equipment;
  • the user equipment may transmit the uplink small data to the SGSN/MME by using an uplink NAS message;
  • the user equipment After receiving the MTC Device Trigger message, the user equipment transmits the MTC Device Trigger Report message to the SGSN/MME through the uplink NAS message.
  • the uplink small data transmission characteristic of the user equipment is a small data transmission characteristic divided according to the frequency of data transmission and the length of the data. According to the subscription information of the user equipment and the network configuration, it can be determined whether the user equipment can use the small data. Transmission, that is, determining whether the user equipment has an uplink small data transmission characteristic.
  • the SGSN/MME determines to use the T5a or T5b interface to transmit the uplink small data according to the user equipment subscription information, and the SGSN/MME uses the external ID of the UE in the subscription information of the user equipment or the FQDN of the MTC-IWF entity statically configured in the HSS.
  • the DNS server sends a query request; otherwise, the SGSN/MME selects an appropriate data transmission mode according to the user equipment subscription information. For example, if the user equipment subscription information indicates that the small data transmission mode is not allowed, the traditional bearer transmission mode is used.
  • the user equipment subscription information includes whether to allow transmission characteristics of the small data transmission, and data length restriction information of the small data.
  • the SGSN/MME obtains the address of the MTC-IWF entity according to the response result returned by the DNS server;
  • the MTC-IWF entity address is statically configured in the SGSN/MME, and the SGSN/MME directly uses the MTC-IWF entity.
  • the SGSN/MME transmits the uplink and data through the determined MTC-IWF entity.
  • the data transmission method provided by the embodiment of the present invention specifically includes:
  • 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 NAS Uplink Transport;
  • the SGSN/MME After receiving the uplink small data, the SGSN/MME determines, according to the subscription information of the UE, that the uplink data is sent by using the IWF method;
  • the SGSN/MME sends an inquiry request to the DNS server by using the external ID of the UE or the MTC-IWF entity statically configured in the subscription information.
  • the SGSN/MME obtains an appropriate MTC-IWF entity according to the response result returned by the DNS server;
  • the SGSN/MME sends the uplink small data through the MTC-IWF entity.
  • a data transmission apparatus includes:
  • a small data receiving unit 11 configured to receive uplink small data
  • An MTC-IWF entity determining unit 12 configured to determine an MTC-IWF entity
  • the small data transmission unit 13 is configured to perform uplink small data transmission by using the MTC-IWF entity.
  • the MTC-IWF entity determining unit 12 is specifically configured to:
  • the MTC-IWF entity is determined based on the fully qualified domain name FQDN of the statically configured MTC-IWF entity.
  • the external identifier of the user equipment, and the address of the statically configured MTC-IWF entity or the fully qualified domain name FQDN of the statically configured MTC-IWF entity are obtained from the subscription information of the user equipment.
  • the MTC-IWF entity determining unit 12 determines the MTC-IWF entity according to the external identifier of the user equipment, or determines the MTC-IWF entity according to the fully qualified domain name FQDN of the statically configured MTC-IWF entity.
  • the MTC-IWF entity is determined from the response result returned by the domain name server by issuing a query request to the domain name server.
  • the uplink small data received by the small data receiving unit 11 is small data volume data whose data volume is less than a set value encapsulated by the uplink NAS message; or is a machine type communication device encapsulated by the uplink NAS message.
  • the small data transmission unit 13 is specifically configured to:
  • the uplink small data is sent to the MTC-IWF entity through the T5a interface or the T5b interface.
  • the SGSN/MME selects the MTC-IWF entity according to the statically configured MTC-IWF entity address, or searches for the uplink according to the external identifier of the user equipment or the statically configured MTC-IWF entity FQDN.
  • the address of the MTC-IWF entity; the uplink small data received by the SGSN/MME is the small data transmitted by the uplink NAS message, or the MTC Device Trigger Report message; after the SGSN/MME determines the suitable MTC-IWF entity, it passes the T5a/ The T5b interface transmits the uplink small data. Therefore, 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 can be embodied in the form of a computer program product embodied on one or more computer-usable storage interfaces (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
  • computer-usable storage interfaces including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory include instructions.
  • the manufacturing device, the instruction device implements the functions specified in one or more blocks of a flow or a flow and/or a block diagram of the flowchart.
  • 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 de transmission de données au moyen desquels un SGSN/MME peut envoyer de petites données de liaison montante par l'intermédiaire d'une entité MTC-IWF. Le procédé de transmission de données décrit par la présente invention consiste à : recevoir de petites données de liaison montante; déterminer une entité MTC-IWF; et envoyer les petites données de liaison montante par l'intermédiaire de l'entité MTC-IWF. Selon la présente invention, le SGSN/MME peut envoyer de petites données de liaison montante par l'intermédiaire de l'entité MTC-IWF, ce qui raccourcit un chemin de transmission de petites données et réduit la consommation de ressources de signalisation du réseau.
PCT/CN2012/080750 2011-12-22 2012-08-30 Procédé et appareil de transmission de données WO2013091397A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110435151.6A CN102547658B (zh) 2011-12-22 2011-12-22 一种数据传输方法及装置
CN201110435151.6 2011-12-22

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Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN102547658B (zh) * 2011-12-22 2015-04-15 电信科学技术研究院 一种数据传输方法及装置
US9578630B2 (en) 2012-08-03 2017-02-21 Nokia Solutions And Networks Oy Data transmission
CN103796188B (zh) * 2012-11-02 2017-06-06 华为终端有限公司 下行传输数据的方法和设备
CN103813276A (zh) * 2012-11-06 2014-05-21 中兴通讯股份有限公司 信息的发送方法、mtc服务器、用户设备及mtc系统
CN104080123B (zh) * 2013-03-27 2018-05-11 华为终端有限公司 机器类通信的方法和装置
EP3024259B1 (fr) 2013-08-15 2018-10-03 Huawei Technologies Co., Ltd. Procédé et dispositif de routage de données
CN104811921B (zh) * 2014-01-26 2019-02-26 电信科学技术研究院 信息通知、rrc连接释放控制方法及设备
EP4223056A4 (fr) * 2020-09-29 2024-05-29 Nokia Technologies Oy Configuration de faible transmission de données

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CN102238520A (zh) * 2010-04-26 2011-11-09 中兴通讯股份有限公司 一种小数据包传输的方法和系统
CN102547658A (zh) * 2011-12-22 2012-07-04 电信科学技术研究院 一种数据传输方法及装置

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CN102056266B (zh) * 2009-11-06 2014-04-09 中兴通讯股份有限公司 Mtc终端的接入控制方法和系统
CN102202270B (zh) * 2010-03-24 2016-03-30 中兴通讯股份有限公司 基于机器类通信的消息传输方法及互通功能实体

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Publication number Priority date Publication date Assignee Title
US20110201344A1 (en) * 2010-02-17 2011-08-18 Jin Sook Ryu Method and apparatus for providing machine-type communication service in wireless communication system
CN102238520A (zh) * 2010-04-26 2011-11-09 中兴通讯股份有限公司 一种小数据包传输的方法和系统
CN102547658A (zh) * 2011-12-22 2012-07-04 电信科学技术研究院 一种数据传输方法及装置

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CN102547658A (zh) 2012-07-04

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