WO2014048173A1 - 一种小数据发送方法、系统及用户设备 - Google Patents

一种小数据发送方法、系统及用户设备 Download PDF

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Publication number
WO2014048173A1
WO2014048173A1 PCT/CN2013/080889 CN2013080889W WO2014048173A1 WO 2014048173 A1 WO2014048173 A1 WO 2014048173A1 CN 2013080889 W CN2013080889 W CN 2013080889W WO 2014048173 A1 WO2014048173 A1 WO 2014048173A1
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WO
WIPO (PCT)
Prior art keywords
small data
user equipment
data
target user
group
Prior art date
Application number
PCT/CN2013/080889
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English (en)
French (fr)
Inventor
许辉
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13841019.6A priority Critical patent/EP2892256A4/en
Priority to US14/430,055 priority patent/US20150249542A1/en
Publication of WO2014048173A1 publication Critical patent/WO2014048173A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1863—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast comprising mechanisms for improved reliability, e.g. status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a small data transmitting method, system, and user equipment. Background technique
  • Machine to Machine refers to the technical means of establishing a connection between machines.
  • M2M technology has appeared in the 1990s, but only stayed in the theoretical stage. After 2000, with the development of mobile communication technology, it has become possible to realize the networking of machine equipment by mobile communication technology. Around 2002, M2M business appeared on the market and developed rapidly in the following years, becoming the focus of many communication equipment vendors and telecom operators.
  • the M2M service puts forward many new requirements for the system.
  • the existing mobile communication networks are mainly designed for human-to-human communication, and the communication optimization between machines and machines, people and machines is insufficient.
  • how to provide M2M communication services at low cost is also the key to the successful deployment of M2M communication.
  • the mobile network supports the M2M communication solution, which requires maximizing the reuse of the existing network, reducing the impact of a large number of M2M communication on the network and the complexity of operation and maintenance.
  • the 3rd Generation Partnership Project (3GPP) proposes Machine Type Communication (MTC), including Machine to Machine and Machine to Machine (Machine to Machine). To Man )
  • MTC Machine Type Communication
  • MTC Machine Type Communication
  • MTC Machine to Machine
  • MTC Machine to Machine
  • To Man The business of communication, its business scope far exceeds the communication between human to human (H2H, Human to Human), MTC in access control, billing, security, quality of service (QoS, Quality of Service), business model, etc. are all very different from H2H communication mode.
  • the EPS includes a radio access network and a core network, where the radio access network includes, for example, a UMTS (Universal Terrestrial Radio Access Network).
  • UMTS Universal Terrestrial Radio Access Network
  • Evolved UTRAN Evolved UTRAN
  • GSM/EDGE Radio Access Network GSM/EDGE Radio Access Network
  • MME Mobility Management Entity
  • PGW Packet Gateway
  • SGSNs Serving GPRS Support Nodes
  • eNB evolved Node B
  • MTC User Equipment Trigger (Device Trigger) is one of the basic requirements for the MTC system.
  • the problem with this requirement is: In order to control the communication of the MTC user equipment, the polling can be initiated by the MTC server (Server).
  • the MTC server For the communication initiated by the MTC user equipment, the MTC server is sometimes required to poll the data from the MTC user equipment; if the MTC server fails to query or the IP address of the MTC user equipment is unavailable, the MTC server can use the MTC user equipment to trigger with the MTC user.
  • the device establishes communication; if the network cannot trigger the MTC user equipment, the network reports to the MTC server that the MTC user equipment trigger fails, and the MTC user equipment trigger is implemented in 3GPP through control plane signaling.
  • MTC communication and smart phones a large number of services appear in the form of small data, such as user needs to collect status information of MTC user equipment, periodic status updates, heartbeat information, timely messages (IM), etc. It is characterized by a small amount of data, such as generally less than 1K bytes, sometimes needs to be sent frequently, and sometimes needs to be sent to a large number of user devices at the same time.
  • the MTC user equipment triggers the mobile originating (MO) and mobile terminating (MT) services, that is, the MTC user equipment sends or receives information.
  • MO mobile originating
  • MT mobile terminating
  • FIG. 1 shows a schematic diagram of a system framework of the CBS.
  • MBMS is a technology for transmitting data from one data source to multiple targets. It realizes the sharing of resources (including core network and access network) and improves the utilization of network resources (especially air interface resources).
  • the SI is information that the base station periodically broadcasts to all user equipments in the area, and FIG. 3 shows the transmission of the SI.
  • the MTC in 3GPP is on the user side, and the MTC application device that connects the MTC user (User)
  • the MTC server communicates with the MTC server through the API interface, or communicates directly with the Gateway GPRS Support Node (PGSN)/PGW/Evolved Packet Data Gateway (EPDG) in the 3GPP network through the Gi/SGi interface; the MTC server passes The MTCi interface communicates with the GGSN/PGW/EPDG; the GGSN/PGW/EPDG communicates with the UE through the radio access network (RAN); on the control plane, the MTC server communicates with the MTC Interworking Function (MTC-IWF, MTC InterWorking Function) through the MTCsp interface Send control plane signaling including trigger information of the MTC user equipment or use the MTCsms interface to SMS-SC, Short Message Service-Service Centre/IP Short Message Gateway (IP-SM-GW, IP-Short-Message) -Gateway) Sends control plane signaling including MTC user equipment trigger information, MTC-IWF or SMS-SC/IP-SM-GW sends control plane signaling to MME/SG
  • MTC Mobile-services Switching Centre
  • VLR visitor location register
  • MTC Mobile-services Switching Centre
  • HSS Home Subscriber Server
  • HLR Home Location Register
  • MTC user equipment grouping is proposed in 3GPP TS 22.368.
  • the MTC server needs to collect status information of multiple MTC user equipments.
  • the requirements for MTC user equipment grouping include: The system associates one MTC user equipment to a single MTC packet; each group-based MTC function applies to each member of the MTC group; the identity of the MTC group in the 3GPP network is unique.
  • the main purpose of the embodiments of the present invention is to provide a small data sending method, system, and user equipment, which can send small data with a small amount of data to multiple user equipments.
  • a method of transmitting small data including:
  • the server sends small data to a set of user equipments to the Internet gateway;
  • the Internet gateway determines a broadcast mode for transmitting the small data, and sends the small data to the target user equipment group by using the broadcast mode;
  • the user equipment in the target user equipment group that receives the small data returns response information.
  • the small data is data with a data volume of not more than one kilobyte, and includes one or more of a group identifier, a target area identifier, and a data type identifier of the target user equipment group, where the target area identifier is used for Indicates an area where the target user equipment group is located, and the data type identifier is used to indicate that the data is small data.
  • the manner in which the Internet gateway determines to send the small data is:
  • the Internet gateway determines, according to one or more of the network deployment, the subscription information, the server indication, and the local policy information, the broadcast transmission of the d and the data by using the multimedia multicast broadcast service MBMS, the cell broadcast service CBS, or the system information.
  • the Internet gateway sends the small data to the target user equipment group through the MBMS
  • the Internet gateway sends the small data to the target user equipment group by using the broadcast mode: the Internet-related broadcast multicast -
  • the service center BM-SC broadcasts the ' ⁇ !, data to the user equipment in the target user equipment group by means of the MBMS procedure.
  • the Internet gateway when the Internet gateway sends the small data to the target user equipment group through the CBS, the Internet gateway sends the small data to the target user equipment group by using the broadcast mode: the Internet gateway passes the cell broadcast center The CBC sends the small data to the area in which the target user equipment group is located.
  • the Internet gateway sends the small data to the target user equipment group through the system information
  • the Internet gateway sends the small data to the target user equipment group by using the broadcast mode:
  • the Internet gateway sends the small data to the base station by using a mobility management entity MME or a serving GPRS support node SGSN;
  • the base station broadcasts the small data to a target user equipment of the target user equipment group.
  • the user equipment return response information of the target user equipment group that receives the small data is:
  • the user equipment After determining, by the user equipment of the target user equipment group of the small data, that the small data is small data required by itself, the user equipment returns the response information to the base station.
  • a small data transmission system comprising: a server, an interworking gateway, and a user equipment; wherein, the server is configured to send small data for a group of user equipments to the Internet gateway; the Internet gateway is configured to determine a sending station Decoding the small data, and transmitting the small data to the target user equipment group by using the broadcast mode;
  • the user equipment configured as a user equipment in the target user equipment group, is configured to return a response message after receiving the small data.
  • the small data is data with a data volume of not more than one kilobyte, and includes one or more of a group identifier, a target area identifier, and a data type identifier of the target user equipment group, where the target area identifier is used for Indicates an area where the target user equipment group is located, and the data type identifier is used to indicate that the data is small data.
  • the Internet gateway is configured to determine, according to one or more of network deployment, subscription information, server indication, and local policy information, to perform small data broadcast transmission through a multimedia multicast broadcast service MBMS, a cell broadcast service CBS, or system information. .
  • the Internet gateway is configured to broadcast and transmit the ' ⁇ !, data to the user equipment in the target user equipment group by using the MBMS process by the BM-SC.
  • the Internet gateway is configured to send the small data to an area where the target user equipment group is located by using the CBC.
  • the system further includes: an MME/SGSN and a base station;
  • the Internet gateway is configured to send the small data to the base station by using the MME/SGSN, and the base station is configured to broadcast and send the small data to the target user equipment of the target user equipment group.
  • the user equipment is configured to, after receiving the small data, determine that the small data is small data that is required by itself, and then return response information to the base station.
  • a user equipment including: a receiving module and a processing module; wherein
  • the receiving module is configured to receive small data that is sent by the server through the base station broadcast; the processing module is configured to determine whether the received small data is small data that is needed by itself, and when it is small data that is required by itself, return a response message. .
  • the processing module is configured to determine, according to the group identifier of the target user equipment group in the small data, whether the user equipment belongs to the target user equipment group; when belonging, determine that the small data corresponds to Application, and forwarding the small data to the application, and returning a response message to the base station.
  • the embodiment of the present invention determines the broadcast transmission mode of the small data with a small amount of data received by the interconnection gateway, and can simultaneously send the small data to multiple user equipments in the 3GPP network, optimize the transmission process, and reduce the transmission process.
  • 1 is a schematic structural view of a conventional CBS system
  • FIG. 2 is a schematic structural view of an existing MBMS system
  • FIG. 3 is a schematic diagram of sending existing system information
  • FIG. 4 is a schematic flowchart of an implementation process of a small data sending method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of an implementation manner of Embodiment 1 of a small data sending method according to the present invention
  • FIG. 6 is a schematic flowchart of an implementation process of a second embodiment of a small data sending method according to the present invention.
  • FIG. 7 is a schematic flowchart of an implementation process of a third embodiment of a method for transmitting small data according to the present invention.
  • FIG. 8 is a schematic structural diagram of a small data sending system according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. detailed description
  • the server sends small data for a group of user equipments to the Internet gateway; the Internet gateway determines a broadcast mode for transmitting the small data, and sends the small data to the target user equipment group by using the broadcast mode.
  • the user equipment in the user equipment group that receives the small data target returns response information; wherein the small data is data whose data volume is not more than one kilobyte, for example, the user needs to collect state information of the MTC user equipment, and the period Sexual status updates, heartbeat information, timely messages (IM), etc., such small data is characterized by a small amount of data, such as generally less than 1K bytes, sometimes need to be sent frequently, sometimes need to be sent to a large number of User equipment. .
  • FIG. 4 is a schematic flowchart showing the implementation of a data sending method according to an embodiment of the present invention, as shown in FIG. The method includes the following steps:
  • Step 401 The server sends small data for a group of user equipments to the Internet gateway.
  • the small data of the group of user equipments is data with a data volume of no more than one kilobyte.
  • the server includes: an application server (AS, Application Server) and Service Capability Server (SCS).
  • AS Application Server
  • SCS Service Capability Server
  • the server sets the content of the small data, and the server may be located outside the 3GPP network or in the 3GPP network; the content of the small data includes one or more of the following in addition to the small data itself: a group identifier of the target user equipment ( a group ID, a target area identifier and a data type identifier; wherein the target area identifier is used to indicate an area where the target user equipment group is located, and the data type identifier is used to indicate that the data is small data.
  • a group identifier of the target user equipment a group ID, a target area identifier and a data type identifier
  • the target area identifier is used to indicate an area where the target user equipment group is located
  • the data type identifier is used to indicate that the data is small data.
  • the small data is control plane signaling or user plane data, and is transmitted through a control plane or a user plane.
  • the data may be regarded as data having a data volume of not more than one kilobyte, or may be set by an operator according to requirements.
  • the small data needs to be provided to the user equipment as a subscription function, that is, only the user equipment that has signed the small data service can implement the processing function of the small data, otherwise it can only be processed as a normal data service.
  • Step 402 The Internet gateway determines to send a broadcast mode of the small data, and sends the small data to a target user equipment group by using the broadcast mode.
  • the Internet gateway may specifically be an MTC interconnection function (MTC-IWF); the server sends the small data to the Internet gateway, and the Internet gateway authenticates the server that sends the small data, and after the authentication succeeds, passes the HSS/ The HLR queries the subscription information of the target user equipment, and determines, according to the subscription information, whether the server authorizes sending the small data to the target user equipment; when the server has the authorization, the Internet gateway is configured according to the network, the subscription information, the server indication, and the local One or more of the policy information determines the transmission of small data via MBMS, CBS or SI.
  • MTC-IWF MTC interconnection function
  • the Internet off sends the small data to the Broadcast Multicast Service Center (BM-SC); the BM-SC passes through the MBMS to the target user equipment group.
  • the user equipment broadcasts the small data.
  • the Internet gateway sends the small data to the area where the target user equipment group is located through the CBC.
  • the Internet gateway sends the small data to the base station by using the MME/SGSN; the base station broadcasts and sends the small user data to the target user equipment of the target user equipment group.
  • Small data may be a Public Warning System (PWS), and the PWS specifically sends alarm information to the UE through a cell broadcast message, such as an Earthquake and Tsunami Warning System (ETWS). , Commercial Mobile Alert Service (CMAS, Commercial Mobile Alert Service) and more.
  • PWS Public Warning System
  • EWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert Service
  • Step 403 The user equipment in the target user equipment group that receives the small data returns response information.
  • the user equipment in the user equipment group is generally contracted to a user equipment group, and the association between the user equipment and the user equipment group is saved in the HSS/HLR, where the user equipment group is represented by a group identifier. After the user device signs up to the group, the user device saves the corresponding group ID.
  • the user equipment that receives the small data determines whether it belongs to the user equipment group corresponding to the group identifier according to the group identifier in the small data, and determines whether the received small data is the information required by itself.
  • the small data is sent to all user equipments in the relevant cell in a broadcast manner; the non-target user equipment that receives the small data ignores or discards the received small data; and receives the target of the small data. And the user equipment forwards the small data to the corresponding application according to the indication in the small data, and returns the response information to the base station.
  • FIG. 5 is a flowchart showing an implementation of the first embodiment of the method for transmitting small data according to the present invention.
  • the first embodiment is an application for sending the small data by using the CBS in the Internet.
  • the first embodiment includes the following. Steps:
  • Step 501 The server sends small data for a group of user equipments to the Internet gateway; the small data is data with a data volume of no more than one kilobyte; the server includes: AS And SCS.
  • the server sets the content of the small data, and the server may be located outside the 3GPP network or in the 3GPP network; the content of the small data includes one or more of the following: in addition to the small data itself: a group identifier of the target user equipment ( a group ID, a target area identifier and a data type identifier; wherein the target area identifier is used to indicate an area where the target user equipment group is located, and the data type identifier is used to indicate that the data is small data.
  • Step 502 The Internet gateway selects to send the small data through the CBS.
  • the Internet gateway selects a method for transmitting the small data according to network deployment, subscription information, server indication, local policy information, and the like; if the network deploys CBS, or the target user equipment subscription indicates that the CBS is preferred, or the server indicates that the CBS is used, or Internet local information indicates the choice of CBS and so on.
  • Step 503 The Internet gateway sends the small data to the base station through the CBC.
  • the Internet gateway sends the small data to the CBC
  • the CBC encapsulates the received small data into a CBS information format and sends the data to the base station.
  • the base station is a base station where the target user equipment is located, and may be one or more; the CBC sends small data to the corresponding base station according to the area identifier in the small data.
  • Step 504 The base station broadcasts the small data to the target user equipment.
  • the base station broadcasts the received small data in the cell where the target user equipment is located.
  • Step 505 The user equipment that receives the small data determines whether the small data is the small data required by itself, and if yes, performs step 506; otherwise, step 507 is performed.
  • the user equipment determines whether it is the small data required by the Group ID in the small data. If the user equipment belongs to the group of the Group ID, it determines that it is the required information; otherwise, it determines that it is not the information required by itself.
  • Step 506 The user equipment that receives the small data sends the response information to the base station.
  • the target user equipment forwards the received small data to the corresponding upper layer application, and sends the response information to the base station.
  • the user equipment discards or ignores the received small data.
  • the user equipment When the user equipment does not belong to the target user equipment group of the small data, the user equipment discards or ignores the received small data.
  • FIG. 6 is a flowchart showing an implementation of the second embodiment of the method for transmitting small data according to the present invention.
  • the second embodiment is an application for transmitting small data by using an MBMS.
  • the second embodiment includes The following steps:
  • Step 601 The server sends small data to the Internet.
  • This step is the same as step 501 and will not be described again.
  • Step 602 The Internet gateway selects to send the small data through the MBMS.
  • the Internet gateway selects a method for transmitting small data according to network deployment, subscription information, server indication, local policy information, etc.; for example, MBMS is deployed on the network, or the target user equipment subscription indication is preferably MBMS, or the server indicates that MBMS is used, or the Internet is closed.
  • the local information indicates the selection of MBMS, etc.
  • Step 603 the Internet gateway sends the small data to the BM-SC.
  • Step 604 The BM-SC sends the small data to the user equipment of the target user equipment group through the MBMS process.
  • the BM-SC sends the small data encapsulated into MBMS data to the gateway, and the gateway sends the MBMS data to the base station, and the base station broadcasts the MBMS data to the user equipment in the target area.
  • the gateway is an MBMS gateway or a gateway GPRS support node ( GGSN ) .
  • Step 605 The user equipment that receives the MBMS data determines whether it is the small data required by itself, and if yes, performs step 606; otherwise, performs step 607.
  • the user equipment determines whether it is the information that it needs by the group identifier of the small data.
  • Step 606 The user equipment sends response information. Specifically, the user equipment of the target user equipment group sends response information to the base station, and forwards the received small data to the corresponding upper layer application.
  • Step 607 The user equipment discards or ignores the received small data.
  • the user equipment discards or ignores the received small data.
  • FIG. 7 is a flowchart showing an implementation of the third embodiment of the method for transmitting small data according to the present invention.
  • the third embodiment is an application scenario for transmitting small data by using system information.
  • the embodiment is shown in Figure 7 Three steps include the following steps:
  • Step 701 The server sends small data to the Internet.
  • This step is the same as step 501 and will not be described here.
  • Step 702 The Internet gateway selects to send the small data by using system information.
  • the Internet gateway selects a method for sending small data according to network deployment, subscription information, server indication, local policy information, etc.; if the network does not deploy CBS or MBMS, or the target user equipment subscription indicates preferred system information SI, or the server indicates that the SI is used. , or the Internet local information indication to select SI, etc.
  • Step 703 The Internet sends the small data to the MME/SGSN.
  • the Internet gateway can send the small data to the MME/SGSN through the CBC or directly. If the MTC-IWF sends the small data to the CBC, the CBC encapsulates the received small data into a CBS information format and sends the information through the SBC interface. Go to MME/SGSN.
  • the MME/SGSN is the serving MME/SGSN of the target area, and may be one or more.
  • Step 704 The MME/SGSN sends the small data to the user equipment by using the base station.
  • the MME/SGSN sends the small data to the base station, and the base station broadcasts the small data by using the system information in the cell where the target user equipment is located.
  • the system information may be information such as PWS.
  • Step 705 The user equipment that receives the small data determines whether the small data is small data required by itself. If yes, step 706 is performed; otherwise, step 707 is performed.
  • the user equipment determines, by the group identifier in the small data, whether it is a small data required by itself.
  • Step 706 The user equipment sends a response message.
  • the user equipment sends response information to the base station, and forwards the small data to the target upper layer application according to the received small data indication.
  • Step 707 The user equipment discards or ignores the received small data.
  • the user equipment When the user equipment does not belong to the target user equipment group corresponding to the small data, the user equipment discards or ignores the received small data.
  • Figure 8 is a diagram showing the structure of a small data transmission system according to an embodiment of the present invention. As shown in Figure 8, the system includes: a server, an interworking gateway, and a user equipment;
  • the server is configured to send small data for a group of user equipments to the Internet gateway;
  • the Internet gateway is configured to determine a broadcast mode for sending the small data, and send the broadcast mode to a target user equipment group The small data;
  • the user equipment configured as a user equipment in the target user equipment group, is configured to return a response message after receiving the small data.
  • the small data is data with a data volume of not more than one kilobyte, and includes one or more of a group identifier, a target area identifier, and a data type identifier of the target user equipment group, where the target area identifier is used for And indicating the area where the target user equipment group is located, where the data type identifier is used to indicate that the data is small data; where the small data is control plane signaling or user plane data, which may be transmitted through a control plane or a user plane,
  • the small data needs to be provided to the user equipment as a subscription function, that is, only the user equipment that has signed the small data service can implement the processing function on the small data, otherwise it can only be processed as a normal data service.
  • the Internet gateway is specifically configured according to network deployment, subscription information, and server.
  • the one or more of the indication, local policy information determines to perform broadcast transmission of the small data through the multimedia multicast broadcast service MBMS, the cell broadcast service CBS, or the system information.
  • the Internet gateway is specifically configured to broadcast the small data to the user equipment in the target user equipment group by using the MBMS process by using the BM-SC.
  • the Internet gateway is specifically configured to send the small data to an area where the target user equipment group is located by using the CBC.
  • system further includes: an MME/SGSN and a base station;
  • the Internet gateway is configured to send the small data to the base station by using the MME/SGSN, and the base station is configured to broadcast and send the small data to the target user equipment of the target user equipment group.
  • the user equipment is specifically configured to: after receiving the small data, determine that the small data is small data required by itself, and then return response information to the base station.
  • FIG. 9 shows a structure of a user equipment according to an embodiment of the present invention.
  • the user equipment includes: a receiving module and a processing module;
  • the receiving module is configured to receive small data that is sent by the server through the base station broadcast; the processing module is configured to determine whether the received small data is small data that is needed by itself, and when it is small data that is required by itself, return a response message. .
  • the processing module is specifically configured to determine, according to the group identifier of the target user equipment group in the small data, whether the user equipment belongs to the target user equipment group; when belonging, further determine the small data. Corresponding application, and forwarding the small data to the application, and returning a response message to the base station.
  • the embodiment of the invention provides a small data sending method, system and user equipment, and the method package
  • the server sends small data for a group of user equipments to the Internet gateway;
  • the Internet gateway determines a broadcast mode for transmitting the small data, and sends the small data to the target user equipment group by using the broadcast mode;
  • the user equipment in the target user equipment group of the small data returns response information.
  • the embodiment of the present invention determines the manner of sending the received small data through the interconnection gateway, and enables the small data to be simultaneously sent to multiple user equipments in the 3GPP network, optimizes the sending process, and reduces the network resources occupied by the sending process.

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Abstract

本发明提供了一种小数据发送方法、系统及用户设备，所述方法包括：服务器向互联网关发送针对一组用户设备的小数据；所述互联网关确定发送所述小数据的广播方式，并通过所述广播方式向目标用户设备组发送所述小数据；收到所述小数据的目标用户设备组中的用户设备返回响应信息。本发明通过互连网关确定接收到的小数据的发送方式，能够实现3GPP网络中将所述小数据同时发送到多个用户设备，优化了发送流程，减少了发送过程所占用的网络资源。

Description

一种小数据发送方法、 系统及用户设备 技术领域
本发明涉及无线通信领域， 尤其涉及一种小数据发送方法、 系统及用 户设备。 背景技术
机器对机器（M2M， Machine to Machine )是指机器之间建立连接的技 术手段。 M2M技术在上个世纪九十年代就已出现， 但只停留在理论阶段。 2000年以后， 随着移动通信技术的发展， 使得以移动通信技术实现机器设 备的联网成为可能。 2002年左右， M2M业务在市场上出现， 并在随后的几 年迅速发展， 成为了众多通信设备商和电信运营商关注的焦点。
M2M业务对系统提出了很多新的要求， 为了增强移动网络在这方面的 竟争力， 有必要对现有的移动网络进行优化， 以更有效地支持 M2M通信。 现有的移动通信网络主要针对人与人的通信进行设计， 而对机器与机器、 人与机器的通信优化不足。 此外， 如何能够以低成本提供 M2M通信服务， 也是 M2M通信部署成功的关键。 如此， 移动网络支持 M2M通信的解决方 案，要求最大限度的重用现有网络， 降低大量 M2M通信对网络造成的影响 以及运营维护的复杂度。
为了有效地利用移动网络资源， 第三代合作伙伴计划 （3GPP， 3rd Generation Partnership Project )提出了机器类型通信 ( MTC , Machine Type Communication )，包括机器对机器（ Machine to Machine )、机器对人（ Machine to Man )进行通讯的业务，其业务范围远远超出了以往人对人（ H2H， Human to Human )之间的通讯， MTC在接入控制、计费、安全性、服务质量（ QoS， Quality of Service )、 业务模式等方面都与 H2H通讯模式存在很大的区别。 在 3GPP的演进分组系统（ EPS， Evolved Packet System )架构中， EPS 包括无线接入网和核心网， 其中， 无线接入网包括如 UMTS陆地无线接入 网 （UTRAN, Universal Terrestrial Radio Access Network ), 演进的 UTRAN ( E-UTRAN, Evolved UTRAN )、 GSM/EDGE 无线接入网络 ( GERAN, GSM/EDGE Radio Access Network )等等；在演进分组核心网（ EPC， Evolved Packet Core ) 中有移动管理实体 ( MME )、 服务网关 （ Serving Gateway )、 分组数据网网关 （ PGW， PDN Gateway )等网元， 在 GPRS核心网中包括 服务 GPRS支持节点 （ SGSN )等网元； 在 E-UTRAN中包括演进的节点 B ( eNB， evolved Node B )。
MTC用户设备触发（ Device Trigger )是对 MTC系统的基本要求之一， 该要求的问题在于： 为了控制 MTC用户设备的通信， 可以采用由 MTC服 务器（Server )发起轮询（poll )的方式进行通信， 对于 MTC用户设备发起 的通信， 有时也需要 MTC服务器从 MTC用户设备轮询数据； 如果 MTC 服务器查询失败或者 MTC用户设备的 IP地址不可用，则 MTC服务器可以 使用 MTC用户设备触发来与 MTC用户设备建立通信； 如果网络不能触发 MTC用户设备，则网络向 MTC服务器报告 MTC用户设备触发失败， MTC 用户设备触发在 3GPP中通过控制面信令实现。
在 MTC通信和智能手机中有大量的业务以小数据的形式出现，如用户 需要收集 MTC用户设备的状态信息， 周期性的状态更新， 心跳信息， 及时 消息 （IM )等等， 这类小数据的特点是自身的数据量较小， 如一般在 1K 字节以内， 有时需要频繁发送， 有时需要同时发送给大量的用户设备。
MTC用户设备触发包括移动主叫 （MO， Mobile Originated )和移动被 叫 （MT， Mobile Terminating )业务， 即包括 MTC用户设备发送或者接收 信息。
在 3GPP 中存在几种广播发送数据信息的方式， 如小区广播服务 ( CBS ), 多媒体多播广播服务（MBMS )， 系统信息 （SI ); 其中， CBS 是指小区广播实体（CBE， Cell Broadcast Entity )通过小区广播中心（CBC， Cell Broadcast Centre )向一个或多个小区中的用户设备发送广播消息， CBS 是单向的消息传送服务， 图 1示出了 CBS的系统框架示意图。 MBMS是一 种从一个数据源向多个目标传送数据的技术， 实现了网络（包括核心网和 接入网）资源的共享， 提高了网络资源 （尤其是空中接口资源）的利用率， 图 2示出了 MBMS的系统框架示意图。 SI是基站周期性的向区域内的所有 用户设备广播发送的信息， 图 3示出了 SI的发送示意。
3GPP中的 MTC在用户面， 连接 MTC用户 （ User ) 的 MTC应用设备
( Application )通过 API接口与 MTC服务器通信，或者通过 Gi/SGi接口直 接与 3GPP网络中的网关 GPRS支持节点 ( GGSN, Gateway GPRS Support Node ) /PGW/演进分组数据网关 （EPDG )通信； MTC 服务器通过 MTCi 接口与 GGSN/PGW/EPDG通信； GGSN/PGW/EPDG通过无线接入网（ RAN ) 与 UE通信； 在控制面， MTC服务器通过 MTCsp接口向 MTC互联功能实 体（ MTC-IWF, MTC InterWorking Function )发送包含 MTC用户设备触发 信息的控制面信令或通过 MTCsms接口向短信业务-业务中心 （SMS-SC, Short Message Service-Service Centre ) /IP 短信网关 （ IP-SM-GW， IP-Short-Message-Gateway )发送包含 MTC 用户设备触发信息的控制面信 令， MTC-IWF或 SMS-SC/IP-SM-GW将控制面信令发送到 MME/SGSN或 短信业务-移动业务交换中心网关 （SMS-GMSC , Gateway MSC For Short Message Service )或短信业务路由器 （SMS Router )或移动业务交换中心
( MSC, Mobile-services Switching Centre )或拜访位置寄存器（VLR )， 进 而通过 RAN发送到 UE; 其中， MME/SGSN还可以通过 Gr/S6a/S6d接口从 归属用户服务器（ HSS， Home Subscriber Server )或归属位置寄存器（ HLR， Home Location Register )获得所述控制面信令。 在 3GPP TS22.368中提出了 MTC用户设备分组的需求， 如 MTC服务 器需要收集多个 MTC用户设备的状态信息。 MTC用户设备分组的需求包 括： 系统将一个 MTC用户设备关联到单个 MTC分组； 每个基于组的 MTC 功能适用于 MTC组中的每个成员； MTC组在 3GPP网络中的标识是唯一 的。
在实际应用中， 存在 3GPP网络同时发送上述小数据到一组 MTC用户 设备的需求， 然而， 目前针对如何优化发送小数据到一组 MTC用户设备， 如何减少同时发送大量小数据对系统的影响等等， 还不能得到有效的解决。 发明内容
有鉴于此， 本发明实施例的主要目的在于提供一种小数据发送方法、 系统及用户设备， 能够实现将数据量较小的小数据发送给多个用户设备。
为达到上述目的， 本发明实施例的技术方案是这样实现的：
一种小数据发送方法， 包括：
服务器向互联网关发送针对一组用户设备的小数据；
所述互联网关确定发送所述小数据的广播方式， 并通过所述广播方式 向目标用户设备组发送所述小数据；
收到所述小数据的目标用户设备组中的用户设备返回响应信息。
其中， 所述小数据为数据量不大于一千字节的数据， 包括目标用户设 备组的组标识、 目标区域标识、 数据类型标识的一种或多种， 其中， 所述 目标区域标识用于指示目标用户设备组所在的区域， 所述数据类型标识用 于指示所述数据为小数据。
其中， 所述互联网关确定发送所述小数据的广播方式为：
所述互联网关根据网络部署、 签约信息、 服务器指示、 本地策略信息 的一种或多种确定通过多媒体多播广播服务 MBMS、小区广播服务 CBS或 系统信息进行所述 d、数据的广播发送。 其中， 当所述互联网关通过 MBMS向目标用户设备组发送所述小数据 时， 所述互联网关通过所述广播方式向目标用户设备组发送所述小数据为： 所述互联网关向广播多播-服务中心 BM-SC利用 MBMS流程向目标用 户设备组内的用户设备广播发送所述'■!、数据。
其中，当所述互联网关通过 CBS向目标用户设备组发送所述小数据时， 所述互联网关通过所述广播方式向目标用户设备组发送所述小数据为： 所述互联网关通过小区广播中心 CBC向目标用户设备组所处的区域发 送所述小数据。
其中， 当所述互联网关通过系统信息向目标用户设备组发送所述小数 据时， 所述互联网关通过所述广播方式向目标用户设备组发送所述小数据 为：
所述互联网关通过移动管理实体 MME或服务 GPRS支持节点 SGSN 向基站发送所述小数据；
所述基站向所述目标用户设备组的目标用户设备广播发送所述小数 据。
其中， 所述收到所述小数据的目标用户设备组的用户设备返回响应信 息为：
收到所述小数据的目标用户设备组的用户设备判定所述小数据为自身 需要的小数据后， 向基站返回响应信息。
一种小数据发送系统， 包括： 服务器、 互通网关、 用户设备； 其中， 所述服务器， 配置为向所述互联网关发送针对一组用户设备的小数据； 所述互联网关， 配置为确定发送所述小数据的广播方式， 并通过所述 广播方式向目标用户设备组发送所述小数据；
所述用户设备， 为目标用户设备组中的用户设备， 配置为收到所述小 数据后， 返回响应消息。 其中， 所述小数据为数据量不大于一千字节的数据， 包括目标用户设 备组的组标识、 目标区域标识、 数据类型标识的一种或多种， 其中， 所述 目标区域标识用于指示目标用户设备组所在的区域， 所述数据类型标识用 于指示所述数据为小数据。
其中， 所述互联网关， 配置为根据网络部署、 签约信息、 服务器指示、 本地策略信息的一种或多种确定通过多媒体多播广播服务 MBMS、 小区广 播服务 CBS或系统信息进行小数据的广播发送。
其中， 所述互联网关， 配置为通过 BM-SC利用 MBMS流程向目标用 户设备组内的用户设备广播发送所述'■!、数据。
其中， 所述互联网关， 配置为通过 CBC向目标用户设备组所处的区域 发送所述小数据。
其中， 所述系统还包括： MME/SGSN及基站； 其中，
所述互联网关， 配置为通过 MME/SGSN向基站发送所述小数据； 所述基站， 配置为向所述目标用户设备组的目标用户设备广播发送所 述小数据。
其中， 所述用户设备， 配置为收到所述小数据后判定所述小数据为自 身需要的小数据后， 向所述基站返回响应信息。
一种用户设备， 包括： 接收模块、 处理模块； 其中，
所述接收模块， 配置为接收服务器通过基站广播发送的小数据； 所述处理模块， 配置为判断接收到的小数据是否为自身需要的小数据， 当是自身需要的小数据时， 返回响应消息。
其中， 所述处理模块， 配置为根据所述小数据中的目标用户设备组的 组标识， 判断所述该用户设备是否属于所述目标用户设备组； 当属于时， 还判断所述小数据对应的应用， 并将所述小数据转发至所述应用， 并向基 站返回响应消息。 本发明实施例通过互连网关确定接收到的数据量较小的小数据的广播 发送方式， 能够实现 3GPP网络中将所述小数据同时发送到多个用户设备， 优化了发送流程， 减少了发送过程所占用的网络资源。 附图说明
图 1为现有的 CBS系统的结构示意图；
图 2为现有的 MBMS系统的结构示意图；
图 3为现有的系统信息的发送示意图；
图 4为本发明实施例小数据发送方法的实现流程示意图；
图 5为本发明小数据发送方法实施例一的实现流程示意图；
图 6为本发明小数据发送方法实施例二的实现流程示意图；
图 7为本发明小数据发送方法实施例三的实现流程示意图；
图 8为本发明实施例小数据发送系统的结构示意图；
图 9为本发明实施例用户设备的结构示意图。 具体实施方式
本发明实施例中， 服务器向互联网关发送针对一组用户设备的小数据； 所述互联网关确定发送所述小数据的广播方式， 并通过所述广播方式向目 标用户设备组发送所述小数据； 收到所述小数据目标的用户设备组中的用 户设备返回响应信息； 其中， 所述小数据为数据量不大于一千字节的数据， 如用户需要收集 MTC用户设备的状态信息，周期性的状态更新，心跳信息， 及时消息 （IM )等等， 这类小数据的特点是自身的数据量较小， 如一般在 1K字节以内， 有时需要频繁发送， 有时需要同时发送给大量的用户设备。。
为使本发明的目的、 技术方案和优点更加清楚明白， 以下举实施例并 参照附图， 对本发明进一步详细说明。
图 4示出了本发明实施例数据发送方法的实现流程示意， 如图 4所示， 所述方法包括下述步骤：
步骤 401， 服务器向互联网关发送针对一组用户设备的小数据； 这里， 所述一组用户设备的小数据为数据量不大于一千字节的数据； 所述服务器包括： 应用服务器（AS， Application Server )和业务能力服务器 ( SCS, Services Capability Server )。 服务器设置所述小数据的内容， 服务 器可以位于 3GPP网络外或位于 3GPP网络中； 所述小数据的内容除包括小 数据本身之外还包括以下一种或几种： 目标用户设备的组标识（ Group ID )， 目标区域标识和数据类型标识； 其中， 所述目标区域标识用于指示目标用 户设备组所在的区域， 所述数据类型标识用于指示所述数据为小数据。
这里， 所述小数据为控制面信令或用户面数据， 通过控制面或用户面 传输， 通常可以认为是数据量不大于一千字节的数据， 也可以通过运营商 根据需要进行设置， 所述小数据需要作为签约功能提供给用户设备， 即只 有签约了小数据业务的用户设备才能够实现对小数据的处理功能， 否则只 能作为普通数据业务处理。
步骤 402， 所述互联网关确定发送所述小数据的广播方式， 并通过所述 广播方式向目标用户设备组发送所述小数据；
这里， 所述互联网关具体可以为 MTC互联功能（MTC-IWF ); 所述服 务器向互联网关发送所述小数据， 互联网关对发送小数据的服务器进行认 证， 并在认证成功后， 通过 HSS/HLR查询目标用户设备的签约信息， 并根 据签约信息判断服务器是否授权向目标用户设备发送所述小数据； 当所述 服务器具备授权时， 所述互联网关根据网络部署、 签约信息、 服务器指示、 本地策略信息的一种或多种确定通过 MBMS、CBS或 SI进行小数据的发送。
当通过 MBMS向目标用户设备组发送所述小数据时， 所述互联网关向 广播多播-服务中心 （BM-SC )发送所述小数据； 所述 BM-SC通过 MBMS 向目标用户设备组内的用户设备广播发送所述小数据。 当通过 CBS向目标用户设备组发送所述小数据时， 所述互联网关通过 CBC向目标用户设备组所处的区域发送所述小数据。
当通过系统信息向目标用户设备组发送所述小数据时， 所述互联网关 通过 MME/SGSN向基站发送所述小数据；所述基站向所述目标用户设备组 的目标用户设备广播发送所述小数据； 这里， 所述系统信息可以是公共告 警系统（PWS， Public Warning System ), PWS具体为通过小区广播消息向 UE发送告警信息，如地震和海啸告警系统（ ETWS， Earthquake and Tsunami Warning System ), 商业移动告警服务 ( CMAS , Commercial Mobile Alert Service )等等。
步骤 403，收到所述小数据的目标用户设备组中的用户设备返回响应信 息。
用户设备组中的用户设备一般签约到一个用户设备组，在 HSS/HLR中 保存了用户设备和用户设备组的关联， 其中用户设备组用组标识表示。 用 户设备签约到组后， 用户设备保存有对应的组标识。 收到所述小数据的用 户设备根据所述小数据中的组标识判断自身是否属于组标识对应的用户设 备组， 依此判断收到的小数据是否为自身所需的信息。
具体地， 所述小数据以广播的方式发送到相关小区中的所有用户设备； 接收到该小数据的非目标用户设备， 忽略或丟弃所接收到的小数据； 接收 到该小数据的目标用户设备， 根据所述小数据中的指示将所述小数据转发 对应的应用， 并向基站返回响应信息。
图 5示出了本发明小数据发送方法实施例一的实现流程， 如图 5所示， 所述实施例一为互联网关通过 CBS发送所述小数据的应用， 所述实施例一 包括下述步骤：
步骤 501， 服务器向互联网关发送针对一组用户设备的小数据； 所述小数据为数据量不大于一千字节的数据； 所述服务器包括： AS 和 SCS。服务器设置所述小数据的内容，服务器可以位于 3GPP网络外或位 于 3GPP网络中；所述小数据的内容除包括小数据本身之外还包括以下一种 或几种： 目标用户设备的组标识（ Group ID )， 目标区域标识和数据类型标 识； 其中， 所述目标区域标识用于指示目标用户设备组所在的区域， 所述 数据类型标识用于指示所述数据为小数据。
步骤 502， 互联网关选择通过 CBS发送所述小数据。
所述互联网关根据网络部署、 签约信息、 服务器的指示、 本地策略信 息等选择发送所述小数据的方式； 如网络部署了 CBS， 或者目标用户设备 签约指示优选 CBS, 或者服务器指示采用 CBS, 或者互联网关本地信息指 示选择 CBS等。
步骤 503， 互联网关通过 CBC向基站发送所述小数据；
具体的， 互联网关和 CBC之间有接口， 互联网关向 CBC发送所述小 数据， CBC将收到的小数据封装成 CBS信息格式并发送到所述基站。
其中， 所述基站为目标用户设备所处的基站， 可以是一个或多个； 所 述 CBC根据所述小数据中的区域标识向相应的基站发送小数据。
步骤 504， 基站向目标用户设备广播发送所述小数据；
本步骤中， 基站在目标用户设备所在小区广播收到的小数据。
步骤 505，接收到小数据的用户设备判断该小数据是否为自身所需的小 数据， 如果是， 执行步骤 506; 否则执行步骤 507。
用户设备通过所述小数据中的 Group ID 判断是否为自身需要的小数 据， 如果所述用户设备属于 Group ID的组， 则判断是所需的信息； 否则， 判定不是自身所需的信息。
步骤 506， 收到小数据的用户设备向基站发送响应信息。
所述目标用户设备将收到的小数据转发到对应的上层应用， 并向基站 发送响应信息。 步骤 507， 用户设备丟弃或忽略收到的小数据。
当所述用户设备不属于所述小数据的目标用户设备组， 则所述用户设 备丟弃或忽略收到的所述小数据。
图 6示出了本发明小数据发送方法实施例二的实现流程， 如图 6所示， 所述实施例二是使用 MBMS发送小数据的应用， 如图 6所示， 所述实施例 二包括下述步骤：
步骤 601， 服务器向互联网关发送小数据。
本步骤与步骤 501相同， 不再赘述。
步骤 602， 互联网关选择通过 MBMS发送所述小数据。
所述互联网关根据网络部署、 签约信息、 服务器的指示、 本地策略信 息等选择发送小数据的方式； 如网络部署了 MBMS， 或者目标用户设备签 约指示优选 MBMS, 或者服务器指示采用 MBMS, 或者互联网关本地信息 指示选择 MBMS等。
步骤 603， 互联网关向 BM-SC发送所述小数据。
互联网关和 BM-SC 之间存在接口， BM-SC 将收到的小数据封装成 MBMS数据。
步骤 604， BM-SC通过 MBMS流程向目标用户设备组的用户设备发送 所述小数据。
具体的， BM-SC向网关发送封装成 MBMS数据的所述小数据， 网关向 基站发送所述 MBMS数据， 基站在目标区域向用户设备广播发送 MBMS 数据。 其中网关为 MBMS网关或网关 GPRS支持节点 （ GGSN ) .
步骤 605， 接收到所述 MBMS数据的用户设备判断是否为自身所需的 小数据， 如果是， 执行步骤 606; 否则执行步骤 607。
所述用户设备通过小数据的组标识判断是否为自身需要的信息。
步骤 606， 用户设备发送响应信息。 具体地， 目标用户设备组的用户设备向基站发送响应信息， 并将收到 的小数据转发到对应的上层应用。
步骤 607， 用户设备丟弃或忽略收到的所述小数据。
具体地， 当所述用户设备不属于所述小数据对应的目标用户设备组时， 用户设备丟弃或忽略收到的小数据。
图 7示出了本发明小数据发送方法实施例三的实现流程， 如图 7所示， 所述实施例三是使用系统信息发送小数据的应用场景， 如图 7 所示， 所述 实施例三包括下述步骤：
步骤 701， 服务器向互联网关发送小数据。
本步骤与步骤 501相同， 这里不再赘述。
步骤 702， 互联网关选择通过系统信息发送所述小数据。
所述互联网关根据网络部署、 签约信息、 服务器的指示、 本地策略信 息等选择发送小数据的方式； 如网络没有部署 CBS或 MBMS, 或目标用户 设备签约指示优选系统信息 SI, 或者服务器指示采用 SI, 或者互联网关本 地信息指示选择 SI等。
步骤 703， 互联网关向 MME/SGSN发送所述小数据。
具体的， 互联网关可以通过 CBC或者直接向 MME/SGSN发送所述小 数据，如果 MTC-IWF向 CBC发送所述小数据，则 CBC将收到的小数据封 装成 CBS信息格式并通过 SBC接口发送到 MME/SGSN。
其中， MME/SGSN 为目标区域的服务 MME/SGSN, 可以是一个或多 个。
步骤 704， MME/SGSN通过基站向用户设备发送所述小数据。
本步骤中， MME/SGSN向基站发送所述小数据， 基站在目标用户设备 所在小区采用系统信息广播所述小数据； 这里， 所述系统信息可以是 PWS 等信息。 步骤 705，接收到所述小数据的用户设备判断所述小数据是否为自身所 需的小数据， 如果是， 执行步骤 706; 否则执行步骤 707。
所述用户设备通过所述小数据中的组标识判断是否为自身需要的小数 据。
步骤 706， 用户设备发送响应信息。
这里， 用户设备向基站发送响应信息， 并根据接收到的小数据的指示 向目标上层应用转发所述小数据。
步骤 707， 用户设备丟弃或忽略收到的小数据。
当所述用户设备不属于所述小数据对应的目标用户设备组， 用户设备 丟弃或忽略收到的小数据。
图 8示出了本发明实施例小数据发送系统的结构， 如图 8所示， 所述 系统包括： 服务器、 互通网关、 用户设备； 其中，
所述服务器， 配置为向所述互联网关发送针对一组用户设备的小数据； 所述互联网关， 配置为确定发送所述小数据的广播方式， 并通过所述 广播方式向目标用户设备组发送所述小数据；
所述用户设备， 为目标用户设备组中的用户设备， 配置为收到所述小 数据后， 返回响应消息。
其中， 所述小数据为数据量不大于一千字节的数据， 包括目标用户设 备组的组标识、 目标区域标识、 数据类型标识的一种或多种， 其中， 所述 目标区域标识用于指示目标用户设备组所在的区域， 所述数据类型标识用 于指示所述数据为小数据； 这里， 所述小数据为控制面信令或用户面数据， 通过控制面或用户面传输， 也可以通过运营商根据需要进行设置， 所述小 数据需要作为签约功能提供给用户设备， 即只有签约了小数据业务的用户 设备才能够实现对小数据的处理功能， 否则只能作为普通数据业务处理。
其中， 所述互联网关， 具体配置为根据网络部署、 签约信息、 服务器 指示、 本地策略信息的一种或多种确定通过多媒体多播广播服务 MBMS、 小区广播服务 CBS或系统信息进行小数据的广播发送。
所述互联网关， 具体配置为通过 BM-SC利用 MBMS流程向目标用户 设备组内的用户设备广播发送所述小数据。
其中， 所述互联网关， 具体配置为通过 CBC向目标用户设备组所处的 区域发送所述小数据。
进一步地， 所述系统还包括： MME/SGSN及基站； 其中，
所述互联网关， 具体配置为通过 MME/SGSN向基站发送所述小数据； 所述基站， 配置为向所述目标用户设备组的目标用户设备广播发送所 述小数据。
其中， 所述用户设备， 具体配置为收到所述小数据后判定所述小数据 为自身需要的小数据后， 向所述基站返回响应信息。
图 9示出了本发明实施例用户设备的结构， 如图 9所述， 所述用户设 备包括： 接收模块、 处理模块； 其中，
所述接收模块， 配置为接收服务器通过基站广播发送的小数据； 所述处理模块， 配置为判断接收到的小数据是否为自身需要的小数据， 当是自身需要的小数据时， 返回响应消息。
其中， 所述处理模块， 具体配置为根据所述小数据中的目标用户设备 组的组标识， 判断所述该用户设备是否属于所述目标用户设备组； 当属于 时， 进一步判断所述小数据对应的应用， 并将所述小数据转发至所述应用， 并向基站返回响应消息。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。 工业实用性
本发明实施例提供了小数据发送方法、 系统及用户设备， 所述方法包 括： 服务器向互联网关发送针对一组用户设备的小数据； 所述互联网关确 定发送所述小数据的广播方式， 并通过所述广播方式向目标用户设备组发 送所述小数据； 收到所述小数据的目标用户设备组中的用户设备返回响应 信息。 本发明实施例通过互连网关确定接收到的小数据的发送方式， 能够 实现 3GPP 网络中将所述小数据同时发送到多个用户设备， 优化了发送流 程， 减少了发送过程所占用的网络资源。

Claims

权利要求书
1、 一种小数据发送方法， 包括：
服务器向互联网关发送针对一组用户设备的小数据；
所述互联网关确定发送所述小数据的广播方式， 并通过所述广播方式 向目标用户设备组发送所述小数据；
收到所述小数据的目标用户设备组中的用户设备返回响应信息。
2、 根据权利要求 1所述的方法， 其中， 所述小数据为数据量不大于一 千字节的数据， 包括目标用户设备组的组标识、 目标区域标识、 数据类型 标识的一种或多种， 其中， 所述目标区域标识用于指示目标用户设备组所 在的区域， 所述数据类型标识用于指示所述数据为小数据。
3、 根据权利要求 1所述的方法， 其中， 所述互联网关确定发送所述小 数据的广播方式为：
所述互联网关根据网络部署、 签约信息、 服务器指示、 本地策略信息 的一种或多种确定通过多媒体多播广播服务 MBMS、小区广播服务 CBS或 系统信息进行所述 d、数据的广播发送。
4、 根据权利要求 1 所述的方法， 其中， 当所述互联网关通过 MBMS 向目标用户设备组发送所述小数据时， 所述互联网关通过所述广播方式向 目标用户设备组发送所述小数据为：
所述互联网关向广播多播-服务中心 BM-SC利用 MBMS流程向目标用 户设备组内的用户设备广播发送所述'■!、数据。
5、 根据权利要求 1所述的方法， 其中， 当所述互联网关通过 CBS向 目标用户设备组发送所述小数据时， 所述互联网关通过所述广播方式向目 标用户设备组发送所述小数据为：
所述互联网关通过小区广播中心 CBC向目标用户设备组所处的区域发 送所述小数据。
6、 根据权利要求 1所述的方法， 其中， 当所述互联网关通过系统信息 向目标用户设备组发送所述小数据时， 所述互联网关通过所述广播方式向 目标用户设备组发送所述小数据为：
所述互联网关通过移动管理实体 MME或服务 GPRS支持节点 SGSN 向基站发送所述小数据；
所述基站向所述目标用户设备组的目标用户设备广播发送所述小数 据。
7、 根据权利要求 1至 6任一项所述的方法， 其中， 所述收到所述小数 据的目标用户设备组的用户设备返回响应信息为：
收到所述小数据的目标用户设备组的用户设备判定所述小数据为自身 需要的小数据后， 向基站返回响应信息。
8、 一种小数据发送系统， 包括： 服务器、 互通网关、 用户设备； 其中， 所述服务器， 配置为向所述互联网关发送针对一组用户设备的小数据； 所述互联网关， 配置为确定发送所述小数据的广播方式， 并通过所述 广播方式向目标用户设备组发送所述小数据；
所述用户设备， 为目标用户设备组中的用户设备， 配置为收到所述小 数据后， 返回响应消息。
9、 根据权利要求 8所述的系统， 其中， 所述小数据为数据量不大于一 千字节的数据， 包括目标用户设备组的组标识、 目标区域标识、 数据类型 标识的一种或多种， 其中， 所述目标区域标识用于指示目标用户设备组所 在的区域， 所述数据类型标识用于指示所述数据为小数据。
10、 根据权利要求 8所述的系统， 其中， 所述互联网关， 配置为根据 网络部署、 签约信息、 服务器指示、 本地策略信息的一种或多种确定通过 多媒体多播广播服务 MBMS、小区广播服务 CBS或系统信息进行小数据的 广播发送。
11、 根据权利要求 8所述的系统， 其中， 所述互联网关， 配置为通过 BM-SC利用 MBMS流程向目标用户设备组内的用户设备广播发送所述小 数据。
12、 根据权利要求 8所述的系统， 其中， 所述互联网关， 配置为通过 CBC向目标用户设备组所处的区域发送所述小数据。
13、根据权利要求 8所述的系统，其中， 所述系统还包括： MME/SGSN 及基站； 其中，
所述互联网关， 配置为通过 MME/SGSN向基站发送所述小数据； 所述基站， 配置为向所述目标用户设备组的目标用户设备广播发送所 述小数据。
14、 根据权利要求 13所述的系统， 其中， 所述用户设备， 配置为收到 所述小数据后判定所述小数据为自身需要的小数据后， 向所述基站返回响 应信息。
15、 一种用户设备， 包括： 接收模块、 处理模块； 其中，
所述接收模块， 配置为接收服务器通过基站广播发送的小数据； 所述处理模块， 配置为判断接收到的小数据是否为自身需要的小数据， 当是自身需要的小数据时， 返回响应消息。
16、 根据权利要求 15所述的用户设备， 其中， 所述处理模块， 配置为 根据所述小数据中的目标用户设备组的组标识， 判断所述该用户设备是否 属于所述目标用户设备组； 当属于时， 还判断所述小数据对应的应用， 并 将所述小数据转发至所述应用， 并向基站返回响应消息。
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