WO2013063852A1 - 设置触发信息有效时间方法、系统和用户设备 - Google Patents

设置触发信息有效时间方法、系统和用户设备 Download PDF

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Publication number
WO2013063852A1
WO2013063852A1 PCT/CN2011/085073 CN2011085073W WO2013063852A1 WO 2013063852 A1 WO2013063852 A1 WO 2013063852A1 CN 2011085073 W CN2011085073 W CN 2011085073W WO 2013063852 A1 WO2013063852 A1 WO 2013063852A1
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Prior art keywords
trigger information
mtc
3gpp network
valid time
time
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PCT/CN2011/085073
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English (en)
French (fr)
Inventor
许辉
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中兴通讯股份有限公司
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Publication of WO2013063852A1 publication Critical patent/WO2013063852A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005Transmission of information for alerting of incoming communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to a technique for setting a trigger message effective time in a Machine Type Communication (MTC) system, and more particularly to a method, system and user equipment for setting a trigger information effective time.
  • MTC Machine Type Communication
  • Machine to Machine (M2M) communication refers to all the techniques and means of establishing a connection between machines.
  • M2M Machine to Machine
  • the concept of M2M has been around since the 1990s, but only in the theoretical stage. After 2000, with the continuous development of mobile communication technology, it is possible to realize the networking of machine equipment with mobile communication technology.
  • the M2M business began to be used, and it developed rapidly in the following years, becoming the focus of many communication equipment vendors and telecom operators. At present, the number of machines in the world is much larger than that of people. It is foreseeable that M2M technology has a good market prospect.
  • M2M communication Through the research on M2M communication application scenarios, it is found that providing M2M communication on mobile networks has potential market prospects.
  • M2M services have put forward many new requirements for mobile networks.
  • the existing mobile communication networks are mainly designed for human-to-human communication, but are insufficiently optimized for machine-to-machine, human-machine communication.
  • how operators can provide M2M communication services at low cost is also a key factor in the successful deployment of M2M communications.
  • the solution should maximize the reuse of the existing mobile network, reduce the impact of a large number of M2M communication on the network, and the complexity of operation and maintenance.
  • the competition in the telecom market is becoming increasingly fierce, the communication tariffs are declining, the profit margin of operators is decreasing, and the human-based communication market is becoming saturated.
  • M2M is a new development opportunity for operators.
  • MTC Machine Type Communication
  • H2H Human to Human
  • QoS quality of service
  • an EPS includes a radio access network (such as E-UTRAN, UTRAN, GERAN) and a core network, such as in an evolved packet.
  • EPC Evolved Packet Core
  • MME Mobility Management Entity
  • Serving Gateway Serving Gateway
  • PDN Gateway PDN Gateway
  • the GPRS core network includes network elements such as GPRS Service Support Node (SGSN), and includes E-UTRAN.
  • SGSN GPRS Service Support Node
  • eNB evolved Node B
  • MTC device trigger (Device Trigger) is one of the basic requirements for the MTC system.
  • the problem of the request is: In order to control the communication of the MTC device, the MTC Server can initiate the query push (pull) for communication, for the MTC. Device-initiated communication, sometimes also requires the MTC Server to ull data from the MTC device. If the MTC Server query fails or the IP address of the MTC device is unavailable, the MTC Server can use trigger to establish communication with the MTC device. If the network cannot trigger the MTC device, the network reports a trigger failure to the MTC Server.
  • the trigger is implemented in 3GPP through control plane signaling.
  • Trigger includes mobile caller (MO, Mobile Originated) and mobile called (MT, Mobile Terminating), that is, the MTC device sends or receives information.
  • MO Mobile Originated
  • MT Mobile Terminating
  • the proposed solution includes: sending the trigger information through SMS (Short Message Service), or sending the trigger information through the control plane signaling; since it is relatively easy to send the trigger information through the SMS method, here mainly Discuss the way to send trigger information through control plane signaling.
  • SMS Short Message Service
  • the MTC Server sends the control plane signaling including the trigger information to the network node, and the network node parses the trigger information in the control plane signaling, and then sends the trigger information to the MTC device.
  • 2 is a schematic diagram of a 3GPP machine type communication architecture. As shown in FIG.
  • the 3GPP network deletes the trigger information.
  • one is an MTC device identifier, which is used to indicate an MTC device that needs to be triggered; (validity time), that is, the time that the trigger information is retained in the 3GPP network.
  • validity time that is, the time that the trigger information is retained in the 3GPP network.
  • the 3GPP network deletes the trigger information.
  • the effective time in the trigger information does not explicitly refer to the time reserved by one network node in the 3GPP network, or the total time of the 3GPP network. And, how to set the trigger information valid time in the 3GPP network and how the 3GPP network node handles the effective time, etc., there is currently no solution. Summary of the invention
  • the main purpose of the present invention is to provide a method, a system, and a user equipment for setting a trigger information effective time, which can ensure that the trigger message is accurately sent to the MTC device to ensure that the triggered MTC device is enabled.
  • a method for setting a valid time of trigger information including:
  • the trigger information sent by the MTC server to the 3GPP network includes the trigger information.
  • the effective time of the 3GPP network is selected in a manner of transmitting the trigger information and forwarding the trigger information to the MTC user equipment in the valid time in the trigger information; after receiving the trigger information, the MTC user equipment sends the trigger information to the MTC server. Send a confirmation message.
  • the method further includes:
  • the network node in the 3GPP network When the network node in the 3GPP network is unable to send the trigger information within the valid time, the local trigger information is deleted, and the trigger information of the MTC Server is notified to be failed.
  • the manner of transmitting the trigger information includes one of the following ways:
  • the trigger information is transmitted by SMS (Short Message Service) to control the surface signaling transmission trigger information.
  • SMS Short Message Service
  • the MTC server sends the trigger information to the 3GPP network as:
  • the MTC server sends the trigger information to an edge device of the 3GPP network through an MTCsp interface or an MTCsms interface.
  • the edge device is an MTC IWF, or SC.
  • the edge device is an MTC-IWF
  • the MTC-IWF maps the effective time in the Trigger information to the effective time in the short message
  • the SC maps the effective time in the Trigger information to the effective time in the short message.
  • the method further includes:
  • the edge device forwards the trigger information to the MTC user equipment through the network node within the valid time in the trigger information.
  • the network node is any one of the following network elements:
  • MME Mobility Management Entity
  • a system for setting a trigger information effective time including an MTC server and a 3GPP network, An MTC server, configured to send trigger information to the 3GPP network, where the trigger information includes a valid time of the trigger information, where the valid time is the total time of the trigger information in the 3GPP network.
  • the 3GPP network is configured to select a mode for transmitting trigger information and forward the trigger information to the MTC user equipment within a valid time in the trigger information.
  • the 3GPP network includes more than one network node
  • the network node in the 3GPP network When the network node in the 3GPP network is unable to send the trigger information within the valid time, the local trigger information is deleted, and the trigger information of the MTC Server is notified to be failed.
  • the 3GPP network includes an edge device
  • the MTC server is further configured to send the trigger information to an edge device of the 3GPP network by using an MTCsp interface or an MTCsms interface;
  • the edge device selects a mode for transmitting the trigger information and forwards the trigger information through the network node in the valid time in the trigger information.
  • the edge device is an MTC interworking function IWF, or SC.
  • the manner of transmitting the trigger information includes one of the following ways:
  • the trigger information is transmitted by SMS, and the trigger information is transmitted by the control plane signaling.
  • a user equipment comprising a receiving unit and a sending unit; wherein:
  • a receiving unit configured to receive trigger information sent by the 3GPP network
  • a sending unit configured to send an acknowledgement message to the MTC server after the receiving unit receives the trigger information.
  • the trigger information sent by the MTC server to the 3GPP network includes the valid time of the trigger information; the 3GPP network sets the trigger information to the network node according to the valid time in the trigger information.
  • the time is the total time of the trigger information in the 3GPP network.
  • 1 is a schematic structural diagram of a 3GPP evolved packet system
  • FIG. 2 is a schematic diagram of a 3GPP machine type communication architecture
  • FIG. 3 is a flowchart of a method for setting a trigger information valid time according to the present invention.
  • FIG. 4 is a flowchart of a method for setting a trigger information effective time according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a system for setting a trigger information effective time according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the trigger information sent by the MTC server to the 3GPP network includes the valid time of the trigger information; and the 3GPP network selects to transmit the trigger information within the valid time in the trigger information. And forwarding the trigger information to the MTC user equipment; wherein, the valid time is the total time of the trigger information in the 3GPP network.
  • FIG. 3 is a flowchart of a method for setting a trigger information effective time according to the present invention. As shown in FIG. 3, the method for setting a trigger information valid time according to the present invention specifically includes the following steps:
  • Step 101 The MTC Server sends the trigger information including the valid time to the 3GPP network edge device.
  • the processing of the trigger information in the 3GPP network is transparent to the MTC Server, that is, the MTC Server does not know how the trigger information is processed in the 3GPP network, so the effective time set by the MTC Server is the full time of the trigger information in the 3GPP network. .
  • the MTC Server may be located outside the 3GPP network or in the 3GPP network.
  • the validity timer is used to indicate how long the 3GPP network can delete the trigger information.
  • the trigger information is sent to the 3GPP network edge device through the MTCsp interface or the MTCsms interface.
  • the trigger information may be sent to the 3GPP network through control plane signaling. Of course, it can also be sent to the 3GPP network via SMS.
  • the edge device is located in a 3GPP network, the network edge device may be any of the following: MTC interworking function (IWF, Inter-Working Function) , the service center (SC, Service Center) 0
  • IWF Inter-Working Function
  • SC Service Center
  • Step 102 The network edge device processes the trigger information.
  • the network edge device derives an internal identifier of the MTC device according to the MTC device (Device) ID in the trigger information, for example, obtaining an internal identifier of the MTC device by querying with the HSS/HLR.
  • the MTC Device ID is an external identifier
  • the internal identifier is an IMSI or an MSISDN.
  • the mapping between the external identifier and the internal identifier may be through an MTC IWF or a Home Subscriber Server (HSS)/Home Location Register (HLR, Home). Location Register ).
  • the network edge device stores the time at which the trigger information is received, and sets a timer value related to the trigger information.
  • the network edge device selects a manner for transmitting the trigger information, such as a short message SMS or a control plane signaling manner. It should be noted that, if the MTC-IWF chooses to send the trigger information through the short message SMS, the MTC-IWF maps the valid time in the trigger information to the validity time VP (Validity Period) in the short message; or, the edge device is In SC, the SC maps the effective time in the Trigger information to the effective time VP in the short message.
  • VP Validity Period
  • Step 103 it is determined whether it is within the valid time, if yes, step 104 is performed, otherwise step 106 is performed;
  • the trigger information determines whether the validity time of the network node in the 3GPP network is timed out. If the timeout occurs, the network node deletes the trigger information and sends an indication to the MTC server: the trigger information is failed to be sent; If there is no timeout, the network node forwards the trigger information to the user equipment.
  • the above network nodes include but are not limited to the following devices: MTC IWF, SC, MME or GPRS service support node SGSN, Mobile Switching Center Gateway (GMSC), IP-SM-GW (if the trigger information is sent by SMS) , Mobile Switching Center (MSC), eNB.
  • Step 104 The network node forwards the received trigger information to the user equipment.
  • the network node forwards the trigger information to the corresponding user equipment through the intermediate network node;
  • the MTC Server requires the network to confirm when the trigger information is sent successfully, the corresponding network node reports to the MTC Server after successfully transmitting the trigger information.
  • Step 105 The user equipment sends a trigger information confirmation message to the network.
  • Step 106 The network node deletes the trigger information, and sends a trigger failure indication to the MTC Server.
  • the trigger information of the network node is deleted to indicate that the trigger information of the local node is deleted, and the trigger information is saved in the network node before the deletion.
  • the effective time is relative time.
  • the method for sending the trigger information is shown in Figure 4.
  • the method for setting the trigger information valid time in this example includes the following steps:
  • Step 201 The MTC Server sends a trigger message to the MTC IWF through the MTCsp.
  • the trigger information content includes a trigger information valid time validity timer.
  • the MTC Server derives the corresponding MTC IWF according to the content of the trigger information, and then sends the trigger information to the MTC IWF.
  • the trigger information is carried by the control signaling on the MTCsp interface.
  • Step 202 The MTC IWF receives the trigger information and sets a corresponding timer value.
  • the MTC IWF changes the MTC Device ID in the trigger information to the corresponding IMSI; the MTC IWF obtains the MME/SGSN corresponding to the target UE by using the locally stored information or by querying the HSS/HLR.
  • the corresponding timer refers to a timer of the trigger information passing through the network node in the 3GPP network, where the network node includes but is not limited to: MTC IWF, MME/SGSN.
  • the MTC IWF sets a timer value of all the network nodes through which the trigger information passes according to the valid time in the trigger information.
  • the timer value of the MTC IWF is the valid time in the trigger information.
  • the MTC-IWF maps the valid time in the trigger information to the validity time VP (Validity Period) in the short message; or, the edge device is In SC, the SC maps the effective time in the Trigger information to the effective time VP in the short message.
  • VP Validity Period
  • Step 203 The MTC IWF determines whether it is within the timer time. If yes, step 204 is performed. Otherwise, step 209 is performed;
  • the trigger information needs to be stored in the MTC IWF for a period of time.
  • the trigger information may be further forwarded to the UE.
  • the MTC IWF determines whether the timer expires. If yes, the MTC IWF deletes the local trigger information and reports the trigger transmission failure indication to the MTC server. Otherwise, the MTC IWF modifies the timer value in the trigger information and sends it to the MME/SGSN.
  • Step 204 The MTC IWF forwards the trigger information to the MME/SGSN.
  • the MME/SGSN may be overloaded, or the network may be congested.
  • the trigger information needs to be stored in the MME/SGSN for a period of time. When the overload or congestion is reduced or eliminated, the trigger information may be further forwarded to the UE.
  • the trigger information includes timer information of the MME/SGSN.
  • the MME/SGSN can determine whether the trigger information needs to be forwarded immediately according to the priority of the trigger information. For example, the trigger information with the priority of urgent needs to be sent immediately, and the trigger information with the priority of the general can be sent to the next NAS signaling process.
  • Step 205 The MME/SGSN determines whether it is within the timer time. If yes, step 206 is performed; otherwise, step 208 is performed.
  • the MME/SGSN determines whether the timer expires. If yes, the MME/SGSN deletes the local trigger information and reports the trigger transmission failure indication to the MTC Server. Otherwise, the MME/SGSN sends the trigger information to the UE.
  • Step 206 The MME/SGSN sends the trigger information to the user equipment UE.
  • the user equipment may be any one of the following: User Equipment, Mobile Station;
  • the user equipment is generally configured with a function that supports the MTC feature.
  • the trigger information is sent through an ongoing signaling connection, or a paging page message, or a broadcast message SIB bearer;
  • the signaling connection may be: a dedicated NAS message procedure (eg, DOWNLINK GENERIC NAS TRANSPORT message and UPLINK GENERIC NAS TRANSPORT message).
  • Step 207 The UE that receives the trigger information sends an acknowledgement message to the MTC Server, and the process ends.
  • the UE sends the MTC to the MTC according to the MTC server IP addr/port information in the trigger information.
  • the confirmation message arrives at the MTC Server via the MTC IWF.
  • Step 208 The MME/SGSN deletes the trigger information, and reports to the MTC Server that the trigger transmission fails; the process ends.
  • the trigger failure message arrives at the MTC Server through the MTC IWF.
  • the MME and/or the SGSN may send a failure message to the MTC Server at the same time or separately.
  • the MTC Server may require the network node to send feedback information after the trigger information is successfully sent. At this time, when the network node successfully sends the trigger information, it sends a report to the MTC Server.
  • the timer can be set only on one network node.
  • the timer is set according to the valid time value in the trigger message of the MTC IWF.
  • the processing storage time of the downstream node MME/SGSN must be smaller than that in the MTC IWF. Timer value.
  • the effective time is in absolute time.
  • the method for setting the trigger information valid time in this example includes the following steps:
  • Step 301 The MTC server sends the trigger information to the MTC IWF through the MTCsp. This step is the same as step 201, and is not described here.
  • Step 302 The MTC IWF receives the trigger information and stores the absolute time information.
  • the MTC IWF changes the MTC Device ID in the trigger information to the corresponding IMSI; the MTC IWF obtains the MME/SGSN corresponding to the target UE by using the locally stored information or by querying the HSS/HLR.
  • the absolute time refers to the local time, and the specific format can be as shown in the following table:
  • the absolute time refers to the time when the MTC IWF receives the trigger information.
  • Step 303 The MTC IWF determines whether it is within the valid time. If yes, step 304 is performed, otherwise step 309 is performed.
  • the trigger information needs to be stored in the MTC IWF for a period of time.
  • the trigger information may be further forwarded to the UE.
  • the MTC IWF determines whether the valid time expires. If yes, the MTC IWF deletes the local trigger information and reports the trigger transmission failure indication to the MTC Server. Otherwise, the MTC IWF sends the trigger information to the MME/SGSN, and indicates the MME/SGSN is the latest. Start sending the trigger information.
  • Step 304 The MTC IWF forwards the trigger information to the MME/SGSN.
  • the trigger information includes the latest time when the MME/SGSN sends the information, where the time is an absolute time, and the time is determined by the MTC IWF according to the trigger information validity time, the time when the MTC IWF receives the trigger information, and the time when the MTC IWF processes the trigger information locally.
  • MME/SGSN transmission absolute time MTC IWF reception absolute time + trigger effective time - MTC IWF processing time.
  • Step 305 The MME/SGSN determines whether it is within the required time, if yes, step 306 is performed, otherwise step 308 is performed.
  • the time refers to the latest sending time of the indication information received by the MME/SGSN from the MTC IWF; the time is an absolute time.
  • the MME/SGSN may be overloaded, or the network may be congested.
  • the trigger information needs to be stored in the MME/SGSN for a period of time. When the overload or congestion is reduced or eliminated, the trigger information may be further forwarded to the UE.
  • the MME/SGSN can determine whether the trigger information needs to be forwarded immediately according to the priority in the trigger information. For example, the trigger information whose priority is urgent needs to be sent immediately, and the priority trigger information can be sent to the next NAS signaling process.
  • Step 306 The MME/SGSN sends the trigger information to the user equipment UE.
  • This step is the same as step 206 and will not be described here.
  • Step 307 The UE that receives the trigger information sends an acknowledgement message to the MTC Server, and the process ends.
  • This step is the same as step 207 and will not be described here.
  • Step 308 The MME/SGSN deletes the trigger information, and reports to the MTC Server that the trigger transmission fails; the process ends.
  • Step 309 The MTC IWF deletes the trigger information, and reports to the MTC Server that the trigger information transmission fails; the process ends.
  • the MTC Server may require the network node to send feedback information after the trigger information is successfully sent. At this time, when the network node successfully sends the trigger information, it sends a notification to the MTC Server.
  • Step 401 The MTC Server sends the trigger information to the MTC IWF through the MTCsp. This step is the same as step 201, and is not described here.
  • Step 402 The MTC IWF receives the trigger information and stores the absolute time information.
  • This step is the same as step 302 and will not be described here.
  • Step 403 The MTC IWF determines whether it is within the valid time. If yes, step 404 is performed, otherwise step 409 is performed.
  • the trigger information needs to be stored in the MTC IWF for a period of time.
  • the trigger information may be further forwarded to the UE.
  • the MTC IWF determines whether the valid time expires. If yes, the MTC IWF deletes the local trigger information and reports the trigger transmission failure indication to the MTC Server. Otherwise, the MTC IWF sends the trigger information to the MME/SGSN, and indicates the MME/SGSN is the latest. Start sending the trigger information.
  • Step 404 The MTC IWF forwards the trigger information to the MME/SGSN.
  • Step 405 The MME/SGSN determines whether it is within the timer time. If yes, step 406 is performed, otherwise step 408 is performed.
  • the timer refers to a timer value received by the MME/SGSN from the MTC IWF.
  • the MME/SGSN may be overloaded, or the network may be congested.
  • the trigger information needs to be stored in the MME/SGSN for a period of time. When the overload or congestion is reduced or eliminated, the trigger information may be further forwarded to the UE.
  • the MME/SGSN may determine whether the trigger information needs to be forwarded immediately according to the priority in the trigger information. For example, the urgent trigger information needs to be sent immediately, and the priority is The general trigger information can be sent to the next non-access stratum (NAS, Non Access Stratum) signaling process.
  • NAS Non Access Stratum
  • Step 406 The MME/SGSN sends the trigger information to the user equipment UE.
  • This step is the same as step 206, and is not described here.
  • Step 407 The UE that receives the trigger information sends an acknowledgement message to the MTC Server, and the process ends.
  • This step is the same as step 207 and will not be described here.
  • Step 408 The MME/SGSN deletes the trigger information, and reports to the MTC Server that the trigger transmission fails; the process ends.
  • Step 409 The MTC IWF deletes the trigger information, and reports to the MTC Server that the trigger information transmission fails; the process ends.
  • the MTC Server may require the network node to send feedback information after the trigger information is successfully sent. At this time, when the network node successfully sends the trigger information, it sends a notification to the MTC Server.
  • FIG. 5 is a schematic structural diagram of a system for setting a trigger information effective time according to an embodiment of the present invention.
  • the trigger information effective time system in this example includes an MTC server and a 3GPP network, where:
  • An MTC server configured to send a trigger information to the 3GPP network, where the trigger information includes a valid time of the trigger information, where the valid time is the total time of the trigger information in the 3GPP network.
  • the 3GPP network is configured to set a time when the trigger information passes through the network node according to the valid time in the trigger information.
  • the 3GPP network includes more than one network node
  • the network node in the 3GPP network cannot send the trigger information within the valid time.
  • the local trigger information is deleted, and the trigger information transmission of the MTC Server is notified to fail.
  • the 3GPP network includes an edge device
  • the MTC server is further configured to send the trigger information to an edge device of the 3GPP network by using an MTCsp interface or an MTCsms interface;
  • the edge device forwards the trigger information to the MTC user equipment through the network node according to the valid time in the trigger information. If the trigger information is sent by using the short message, the edge device is further configured to map the valid time in the Trigger information into the short message. Valid time VP; wherein the edge device is an MTC IWF, or an SC.
  • the network node is any one of the following network elements:
  • MME Mobility Management Entity
  • each network element in the trigger information effective time system of this example can be understood by referring to the related descriptions of the foregoing Embodiments 1 to 3.
  • the effective time system for setting the trigger information of the present invention is based on the existing network structure, but the function of the corresponding network element is improved.
  • the network structure can still be understood by referring to the existing network structure.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment of the present invention includes a receiving unit 60 and a sending unit 61.
  • the receiving unit 60 is configured to receive trigger information sent by the 3GPP network.
  • the sending unit 61 is configured to send an acknowledgement message to the MTC server after the receiving unit receives the trigger information. It is used to receive the trigger information, and is also used to send a confirmation message to the MTC server after receiving the trigger information.

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Abstract

本发明公开了一种设置触发信息有效时间方法及系统,所述方法包括:MTC服务器向3GPP网络发送的trigger信息中,包含trigger信息的有效时间;3GPP网络在trigger信息中的有效时间内,选择传输trigger信息的方式并向MTC用户设备转发trigger信息;有效时间为trigger信息在3GPP网络中的全部时间;MTC用户设备收到trigger信息后向MTC Server发送确认消息。本发明通过设置trigger信息中的有效时间与3GPP网络中的网络节点之间的关联关系,使3GPP网络获知是否有必要发送对应trigger信息到MTC用户设备,MTC Server能获知3GPP网络发送trigger信息成功与否的情况,从而决定再次触发相应的MTC用户设备。本发明解决了现有MTC系统中关于有效时间处理方式不明确的问题。

Description

设置触发信息有效时间方法、 系统和用户设备 技术领域
本发明涉及机器类型通信(MTC, Machine Type Communication ) 系统 中触发消息有效时间的设置技术, 尤其涉及一种设置触发信息有效时间方 法、 系统和用户设备。 背景技术
机器对机器(M2M, Machine to Machine )通信是指机器之间建立连接 的所有技术和手段。 M2M 的理念在上世纪九十年代就已出现,但仅停留在 理论阶段。 2000年以后, 随着移动通信技术的不断发展, 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 业务已开始使用, 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。 目前全球的机器数量比人的数量要多得多, 可以预见, M2M技术有着良好 的市场前景。
通过对 M2M通信应用场景研究发现, 在移动网络上提供 M2M通信具 有潜在的市场前景。但 M2M业务对移动网络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, 以使 其更有效地支持 M2M通信。
现有的移动通信网络主要是针对人与人的通信进行设计的, 而对机器 与机器、 人与机器的通信而言则优化不足。 此外, 运营商如何能够以低成 本提供 M2M通信服务, 也是 M2M通信部署成功的关键因素。
基于以上情况,有必要研究移动网络支持 M2M通信的解决方案,解决 方案要最大限度重用现有移动网络,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。 目前电信市场竟争日趋激烈, 通信资费不断下降, 运营商利润空间不 断减小, 以人为基础的通信市场正趋于饱和, M2M对运营商来说是全新的 发展机遇。
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 ), 即 M2M、 机器 ^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 )、 业务模式等方面与当前的 H2H通讯模式有很大区别。
图 1为 3GPP演进分组系统(EPS, Evolved Packet System ) 的组成结 构示意图, 如图 1所示, EPS包括了无线接入网 (如 E-UTRAN, UTRAN, GERAN )和核心网, 如在演进分组核心网 ( EPC, Evolved Packet Core ) 中 有 MME, Serving Gateway, PDN Gateway等网元, 在 GPRS核心网中包括 GPRS 服务支持节点 (SGSN, Serving GPRS Support Node )等网元; 在 E-UTRAN中包括演进的节点 B ( eNB, evolved Node B )。 图 1中各网元所 具有的功能及其之间的接口、 信息交互方式等, 可参见现有协议而理解, 这里不再赘述其细节。
MTC设备触发(Device Trigger )是对 MTC系统的基本要求之一, 该 要求所关注的问题是: 为了控制 MTC设备的通信,可以采用由 MTC Server 发起查询推送(pull ) 的方式进行通信, 对于 MTC设备发起的通信, 有时 也需要 MTC Server从 MTC设备 ull数据。如果 MTC Server查询失败或者 MTC设备的 IP地址不可用, 则 MTC Server可以使用 trigger来与 MTC设 备建立通信。 如果网络不能触发 MTC设备, 则网络向 MTC Server报告 trigger失败, trigger在 3GPP中通过控制面信令实现。
trigger包括移动主叫( MO, Mobile Originated )和移动被叫( MT, Mobile Terminating ) 业务, 即包括 MTC设备发送或者接收信息。
为了实现 trigger请求的有效传输,已提出的方案包括:通过短信( SMS, Short Message Service )发送 trigger信息 , 或者通过控制面信令发送 trigger 信息; 由于通过 SMS方式发送 trigger信息实现相对容易, 这里主要讨论通 过控制面信令发送 trigger信息的方式。 对于通过控制面信令发送 trigger信 息的方式, MTC Server发送包含 trigger信息的控制面信令到网络节点, 网 络节点将控制面信令中的 trigger信息解析处理, 然后发送 trigger信息到 MTC设备。 图 2为 3GPP机器类型通信架构的示意图, 如图 2所示, 目前 3GPP中针对 trigger信息的内容仅确定了两项: 一是 MTC设备标识, 用于 指示需要触发的 MTC设备; 二是有效时间 (validity time ), 即 trigger信息 在 3GPP网络中保留的时间,超过该时间,则 3GPP网络删除该 trigger信息。 图 2 中各网元所具有的功能及其之间的接口、 信息交互方式等, 可参见现 有协议而理解, 这里不再赘述其细节。
在对现有技术的研究和实践过程中发现现有技术存在以下问题: 对于 trigger信息中的有效时间,并未明确是指在 3GPP网络中一个网络节点保留 的时间,还是在 3GPP网络的总时间,并且,如何在 3GPP网络中设置 trigger 信息有效时间以及 3GPP网络节点对有效时间如何处理等等,目前尚没有解 决方案。 发明内容
有鉴于此, 本发明的主要目的在于提供一种设置触发信息有效时间方 法、 系统和用户设备, 能保证触发消息准确发送给 MTC设备, 以保证被触 发的 MTC设备使能。
为达到上述目的, 本发明的技术方案是这样实现的:
一种设置触发信息有效时间方法, 包括:
MTC服务器向 3GPP网络发送的 trigger信息中, 包含所述 trigger信息 的有效时间; 所述 3GPP网络在所述 trigger信息中的有效时间内, 选择传 输 trigger信息的方式并转发 trigger信息到 MTC用户设备;所述 MTC用户 设备收到所述 trigger信息后, 向 MTC服务器发送确认消息。
优选地, 所述方法还包括:
所述 3GPP网络中的网络节点在所述有效时间内不能发送 trigger信息 时,删除本地 trigger信息,并通知所述 MTC Server所述 trigger信息发送失 败。
优选地, 所述传输 trigger信息的方式包括以下方式之一:
以短信业务(SMS, Short Message Service )传输 trigger信息, 以控制 面信令传输 trigger信息。
优选地, MTC服务器向 3GPP网络发送 trigger信息为:
所述 MTC服务器通过 MTCsp接口或 MTCsms接口将所述 trigger信息 发送给所述 3GPP网络的边缘设备。
优选地, 所述边缘设备为 MTC IWF、 或 SC。
优选地, 所述边缘设备为 MTC-IWF时, 若 MTC-IWF选择采用短信方 式传输 trigger信息, 则 MTC-IWF将 Trigger信息中的有效时间映射为短信 中的有效时间; 或者, 所述边缘设备为 SC时, 所述 SC将 Trigger信息中 的有效时间映射为短信中的有效时间。
优选地, 所述方法还包括:
所述边缘设备在所述 trigger信息中的有效时间内, 通过网络节点向 MTC用户设备转发 trigger信息。
优选地, 所述网络节点为以下网元的任一个:
MME或 SGSN, GMSC, MSC和 eNB。
一种设置触发信息有效时间系统, 包括 MTC服务器和 3GPP网络, 其 MTC服务器, 用于向 3GPP网络发送 trigger信息, 其中, 所述 trigger 信息包含所述 trigger信息的有效时间, 所述有效时间为所述 trigger信息在 所述 3GPP网络中的全部时间
所述 3GPP网络, 用于在所述 trigger信息中的有效时间内, 选择传输 trigger信息的方式并向 MTC用户设备转发所述 trigger信息。
优选地, 所述 3GPP网络中包含一个以上的网络节点;
所述 3GPP网络中的网络节点在所述有效时间内不能发送 trigger信息 时,删除本地 trigger信息,并通知所述 MTC Server所述 trigger信息发送失 败。
优选地, 所述 3GPP网络包含边缘设备;
所述 MTC服务器进一步用于, 通过 MTCsp接口或 MTCsms接口将所 述 trigger信息发送给所述 3GPP网络的边缘设备;
所述边缘设备在所述 trigger信息中的有效时间内, 选择传输 trigger信 息的方式并通过网络节点转发 trigger信息; 其中, 所述边缘设备为 MTC互 通功能 IWF、 或 SC。
优选地, 所述传输 trigger信息的方式包括以下方式之一:
以 SMS传输 trigger信息, 以控制面信令传输 trigger信息。
一种用户设备, 包括接收单元和发送单元; 其中:
接收单元, 用于接收 3GPP网络发送的 trigger信息;
发送单元,用于在所述接收单元接收到 trigger信息后向 MTC服务器发 送确认消息。
本发明中, MTC服务器( MTC Server )向 3GPP网络发送的 trigger信 息中, 包含所述 trigger信息的有效时间; 所述 3GPP网络根据所述 trigger 信息中的有效时间, 设置所述 trigger信息经过网络节点的时间; 其中, 所 述有效时间为所述 trigger信息在所述 3GPP网络中的全部时间。 通过设置 trigger信息中的有效时间与 3GPP 网络中的网络节点之间的关联关系, 使 3GPP网络获知是否有必要发送对应 trigger信息, MTC Server 能获知 3GPP 网络发送 trigger信息成功与否的情况,从而决定再次触发相应的 MTC设备。 本发明提供了 trigger信息中有效时间的设置及处理方式,解决了现有 MTC 系统中关于有效时间处理方式不明确的问题。 附图说明
图 1为 3GPP演进分组系统的组成结构示意图;
图 2为 3GPP机器类型通信架构的示意图;
图 3为本发明设置触发信息有效时间方法的流程图;
图 4为本发明实施例的设置触发信息有效时间方法的流程图; 图 5为本发明实施例的设置触发信息有效时间系统的组成结构示意图; 图 6为本发明实施例用户设备的组成结构示意图。 具体实施方式
本发明的基本思想为: MTC服务器(MTC Server ) 向 3GPP网络发送 的 trigger信息中, 包含所述 trigger信息的有效时间; 所述 3GPP网络在所 述 trigger信息中的有效时间内, 选择传输 trigger信息的方法并转发所述 trigger信息到 MTC用户设备; 其中, 所述有效时间为所述 trigger信息在所 述 3GPP网络中的全部时间。
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 3为本发明设置触发信息有效时间方法的流程图, 如图 3所示, 本 发明设置触发信息有效时间方法具体包括如下步驟:
步驟 101 , MTC Server将包含有效时间的 trigger信息发送到 3GPP网 络边缘设备。 所述 trigger信息在 3GPP网络中的处理对 MTC Server来说是透明的 , 即 MTC Server不知道 trigger信息在 3GPP 网络中如何处理, 因此 MTC Server设置的有效时间为 trigger信息在 3GPP网络中的全部时间。
所述 MTC Server可以位于 3GPP网络外, 或者 3GPP网络之中。
所述有效时间 ( validity timer )用于指示 3GPP网络多长时间之后可以 删除 trigger信息。
所述 trigger信息通过 MTCsp接口或 MTCsms接口发送到 3GPP网络边 缘设备。
所述 trigger信息可以通过控制面信令发送到 3GPP网络。 当然, 也可 以通过短信方式发送到 3GPP网络。
所述网络边缘设备位于 3GPP网络中,所述网络边缘设备可以为以下任 一种: MTC互通功能( IWF, Inter-Working Function ),业务中心( SC, Service Center )0
步驟 102, 网络边缘设备对 trigger信息进行处理。
所述网络边缘设备根据 trigger信息中的 MTC设备 ( Device ) ID推导 出 MTC Device的内部标识, 如通过与 HSS/HLR查询得到 MTC设备内部 标识。
所述 MTC Device ID是外部标识, 所述内部标识为 IMSI或 MSISDN, 外部标识和内部标识之间的映射可以通过 MTC IWF 或归属用户服务器 ( HSS, Home Subscriber Server ) /归属位置寄存器(HLR, Home Location Register ) 成。
所述网络边缘设备存储接收到 trigger信息的时间, 并设置与 trigger信 息有关的定时器值。
所述网络边缘设备选择传输 trigger信息的方式, 如通过短信 SMS, 或 者控制面信令方式等。 需要指出的是, 如果 MTC-IWF选择通过短信 SMS方式发送 trigger信 息, 则 MTC-IWF将 trigger信息中的有效时间映射为短信中的有效时间 -VP ( Validity Period ); 或者, 所述边缘设备为 SC时, SC将 Trigger信息中的 有效时间映射为短信中的有效时间 VP。
步驟 103 , 判断是否在有效时间内, 如果是, 执行步驟 104, 否则执行 步驟 106;
所述判断是否在有效时间内是指: trigger信息在 3GPP网络中经过的网 络节点判断有效时间是否超时, 如果超时, 则网络节点将 trigger信息删除, 并向 MTC Server发送指示: trigger信息发送失败; 如果没有超时, 则网络 节点转发 trigger信息到用户设备。
上述网络节点包括但不限于以下设备: MTC IWF, SC, MME或 GPRS 服务支持节点 SGSN,移动交换中心网关( GMSC, Gateway Mobile Switching Center ), IP - SM -GW (若通过短信方式发送 trigger信息), 移动交换中心 ( MSC, Mobile Switching Center ), eNB。
步驟 104, 网络节点将收到的 trigger信息转发到用户设备。
所述网络节点将 trigger信息通过中间网络节点转发到相应的用户设 备;
需要指出的是,如果 MTC Server要求网络在发送 trigger信息成功时进 行确认, 则相应的网络节点在成功发送 trigger信息后向 MTC Server报告。
步驟 105 , 用户设备向网络发送接收 trigger信息确认消息。
步驟 106, 网络节点删除 trigger信息, 并向 MTC Server发送 trigger失 败指示。
所述网络节点删除 trigger信息指示为删除网络节点本地的 trigger信息, 在删除之前, trigger信息保存在网络节点。
下面通过具体的实施例来进一步阐明本发明的方案。 本发明中, 图 4 所示的流程图适用于以下的实施例一至实施例三。 这些实施例之间的差异 将在相应的步驟作出详细描述。
实施例一
针对 trigger信息通过 MTC IWF发送的场景, 有效时间采用相对时间, 发送 trigger信息的方法如图 4所示, 本示例设置触发信息有效时间方法具 体包括以下步驟:
步驟 201 , MTC Server通过 MTCsp向 MTC IWF发送 trigger信息。 所述 trigger信息内容包含 trigger信息有效时间 validity timer。
所述 MTC Server根据 trigger信息内容推导出对应的 MTC IWF , 然后 将 trigger信息发送到 MTC IWF。
所述 trigger信息通过 MTCsp接口上的控制信令承载。
步驟 202, MTC IWF接收到 trigger信息, 设置相应的定时器值。
所述 MTC IWF将 trigger信息中的 MTC Device ID改为对应的 IMSI; 所述 MTC IWF通过本地存储的信息或通过向 HSS/HLR查询得到目标 UE 对应的 MME/SGSN。
所述相应定时器是指 trigger信息在 3GPP网络经过网络节点的定时器, 所述网络节点包括但不限于: MTC IWF, MME/SGSN。
所述 MTC IWF根据 trigger信息中的有效时间设置 trigger信息所经过 的所有网络节点的定时器值; 其中, MTC IWF的定时器值为 trigger信息中 的有效时间。
需要指出的是, 如果 MTC-IWF选择通过短信 SMS方式发送 trigger信 息, 则 MTC-IWF将 trigger信息中的有效时间映射为短信中的有效时间 -VP ( Validity Period ); 或者, 所述边缘设备为 SC时, SC将 Trigger信息中的 有效时间映射为短信中的有效时间 VP。
步驟 203 , MTC IWF判断是否在定时器时间内,如果是,执行步驟 204, 否则执行步驟 209;
考虑到 MTC IWF可能过载, 或者网络发生拥塞, 则 trigger信息需要 在 MTC IWF存储一段时间,当上述过载或拥塞减轻或消除时可以进一步向 UE转发 trigger信息。
MTC IWF判断定时器是否超时, 如果是, 则 MTC IWF删除本地的 trigger信息, 并向 MTC Server报告 trigger发送失败指示, 否则, MTC IWF 修改 trigger信息中的定时器值, 并发送到 MME/SGSN。
步驟 204 , MTC IWF向 MME/SGSN转发 trigger信息。
所述 MME/SGSN可能发生过载,或者网络发生拥塞,则 trigger信息需 要在 MME/SGSN存储一段时间,当上述过载或拥塞减轻或消除时可以进一 步向 UE转发 trigger信息。
所述 trigger信息包含 MME/SGSN的定时器信息。
所述 MME/SGSN可以根据 trigger信息的优先级判断是否需要立即转发 trigger信息, 例如优先级为紧急的 trigger信息需要立即发送, 优先级为一 般的 trigger信息可以等到下次 NAS信令过程发送。
步驟 205 , MME/SGSN判断是否在定时器时间内, 如果是, 则执行步 驟 206, 否则执行步驟 208。
MME/SGSN判断定时器是否超时, 如果是, 则 MME/SGSN删除本地 的 trigger信息, 并向 MTC Server报告 trigger发送失败指示, 否则, MME/SGSN发送 trigger信息到 UE。
步驟 206 , MME/SGSN向用户设备 UE发送 trigger信息。
所述用户设备可以是以下任意一种: User Equipment, Mobile Station; 所述用户设备一般配置了支持 MTC特性的功能。
所述 trigger信息通过正在进行的信令连接, 或寻呼 page消息, 或广播 消息 SIB 承载发送; 所述信令连接可以是: 专用 NAS 消息过程 (如 DOWNLINK GENERIC NAS TRANSPORT 消息和 UPLINK GENERIC NAS TRANSPORT消息)。
步驟 207, 接收到 trigger信息的 UE向 MTC Server发送确认消息, 流 程结束。
所述 UE根据 trigger信息中的 MTC server IP addr/port信息向 MTC
Server发送确认消息。
所述确认消息经过 MTC IWF到达 MTC Server。
步驟 208, MME/SGSN删除 trigger信息, 并向 MTC Server报告 trigger 发送失败; 流程结束。
所述 trigger失败消息通过 MTC IWF到达 MTC Server。
所述 MME和 /或 SGSN可能同时或分别向 MTC Server发送失败消息; 步驟 209, MTC IWF删除 trigger信息, 并向 MTC Server报告 trigger 信息发送失败; 流程结束。
需要指出的是, MTC Server可以要求网络节点发送 trigger信息成功后 也反馈信息, 此时, 当网络节点成功发送 trigger信息, 则向 MTC Server 发送报告。
需要指出的是: 本示例中, 可以仅在一个网络节点设置定时器, 如在 MTC IWF 根据 trigger 消息中的有效时间值设置定时器, 下游节点 MME/SGSN的处理存储时间必须小于 MTC IWF中的定时器值。
实施例二
针对 trigger信息通过 MTC IWF发送的场景, 有效时间采用绝对时间, 如图 4所示, 本示例设置触发信息有效时间方法具体包括以下步驟:
步驟 301 , MTC Server通过 MTCsp向 MTC IWF发送 trigger信息; 本步驟与步驟 201相同, 此处不再赘述。
步驟 302, MTC IWF接收到 trigger信息, 存储绝对时间信息。 所述 MTC IWF将 trigger信息中的 MTC Device ID改为对应的 IMSI; 所述 MTC IWF通过本地存储的信息或通过向 HSS/HLR查询得到目标 UE 对应的 MME/SGSN。
所述绝对时间是指本地时间, 具体格式可如下表所示:
Figure imgf000014_0001
所述绝对时间是指 MTC IWF收到 trigger信息的时间。
步驟 303 , MTC IWF判断是否在有效时间内, 如果是, 执行步驟 304, 否则执行步驟 309。
考虑到 MTC IWF可能过载, 或者网络发生拥塞, 则 trigger信息需要 在 MTC IWF存储一段时间,当上述过载或拥塞减轻或消除时可以进一步向 UE转发 trigger信息。
MTC IWF判断有效时间是否超时, 如果是, 则 MTC IWF删除本地的 trigger信息, 并向 MTC Server报告 trigger发送失败指示, 否则, MTC IWF 发送 trigger信息到 MME/SGSN, 并指示 MME/SGSN最迟何时启动发送 trigger信息。
步驟 304, MTC IWF向 MME/SGSN转发 trigger信息。
所述 trigger信息包含 MME/SGSN发送该信息的最迟时间,该时间为绝 对时间, 该时间由 MTC IWF根据 trigger信息有效时间、 MTC IWF收到 trigger信息的时间、 MTC IWF本地处理 trigger信息的时间综合后得到 , 如 MME/SGSN发送绝对时间 =MTC IWF接收绝对时间 + trigger有效时间 - MTC IWF处理时间。
步驟 305 , MME/SGSN判断是否在所需时间内, 如果是, 则执行步驟 306, 否则执行步驟 308。 所述时间是指 MME/SGSN从 MTC IWF收到的指示 trigger信息的最迟 发送时间; 所述时间为绝对时间。
所述 MME/SGSN可能发生过载,或者网络发生拥塞,则 trigger信息需 要在 MME/SGSN存储一段时间,当上述过载或拥塞减轻或消除时可以进一 步向 UE转发 trigger信息。
所述 MME/SGSN可以根据 trigger信息中的优先级判断是否需要立即转 发 trigger信息, 例如优先级为紧急的 trigger信息需要立即发送, 优先级为 一般的 trigger信息可以等到下次 NAS信令过程发送。
步驟 306 , MME/SGSN向用户设备 UE发送 trigger信息。
本步驟与步驟 206相同, 此处不再赘述。
步驟 307, 接收到 trigger信息的 UE向 MTC Server发送确认消息, 流 程结束。
本步驟与步驟 207相同, 此处不再赘述。
步驟 308, MME/SGSN删除 trigger信息, 并向 MTC Server报告 trigger 发送失败; 流程结束。
步驟与步驟 208相同, 此处不再赘述。
步驟 309, MTC IWF删除 trigger信息, 并向 MTC Server报告 trigger 信息发送失败; 流程结束。
需要指出的是, 本示例中, MTC Server可以要求网络节点发送 trigger 信息成功后也反馈信息,此时,当网络节点成功发送 trigger信息,则向 MTC Server发送才艮告。
实施例三
本示例是针对 trigger信息通过 MTC IWF发送的场景, 有效时间采用 绝对时间和相对时间, 如图 4所示, 本示例设置触发信息有效时间方法具 体包括以下步驟: 步驟 401 , MTC Server通过 MTCsp向 MTC IWF发送 trigger信息。 本步驟与步驟 201相同, 此处不再赘述;
步驟 402, MTC IWF接收到 trigger信息, 存储绝对时间信息。
本步驟与步驟 302相同, 此处不再赘述。
步驟 403 , MTC IWF判断是否在有效时间内, 如果是, 执行步驟 404, 否则执行步驟 409。
考虑到 MTC IWF可能过载, 或者网络发生拥塞, 则 trigger信息需要 在 MTC IWF存储一段时间,当上述过载或拥塞减轻或消除时可以进一步向 UE转发 trigger信息。
MTC IWF判断有效时间是否超时, 如果是, 则 MTC IWF删除本地的 trigger信息, 并向 MTC Server报告 trigger发送失败指示, 否则, MTC IWF 发送 trigger信息到 MME/SGSN, 并指示 MME/SGSN最迟何时启动发送 trigger信息。
步驟 404 , MTC IWF向 MME/SGSN转发 trigger信息。
所述 MTC IWF根据 trigger信息中的有效时间和 IWF本地处理时间设 置 MME/SGSN的定时器值, 该时间为相对时间, 如 MME/SGSN定时器 = trigger有效时间 - MTC IWF处理时间。
步驟 405, MME/SGSN判断是否在定时器时间内, 如果是, 则执行步 驟 406, 否则执行步驟 408。
所述定时器是指 MME/SGSN从 MTC IWF收到的定时器值。
所述 MME/SGSN可能发生过载,或者网络发生拥塞,则 trigger信息需 要在 MME/SGSN存储一段时间,当上述过载或拥塞减轻或消除时可以进一 步向 UE转发 trigger信息。
所述 MME/SGSN可以根据 trigger信息中的优先级判断是否需要立即转 发 trigger信息, 例如优先级为紧急的 trigger信息需要立即发送, 优先级为 一般的 trigger信息可以等到下次非接入层(NAS, Non Access Stratum )信 令过程发送。
步驟 406 , MME/SGSN向用户设备 UE发送 trigger信息。
本步驟与步驟 206相同, 此处不再赘述;
步驟 407, 接收到 trigger信息的 UE向 MTC Server发送确认消息, 流 程结束。
本步驟与步驟 207相同, 此处不再赘述。
步驟 408, MME/SGSN删除 trigger信息, 并向 MTC Server报告 trigger 发送失败; 流程结束。
步驟与步驟 208相同, 此处不再赘述。
步驟 409, MTC IWF删除 trigger信息, 并向 MTC Server报告 trigger 信息发送失败; 流程结束。
需要指出的是, 本示例中, MTC Server可以要求网络节点发送 trigger 信息成功后也反馈信息,此时,当网络节点成功发送 trigger信息,则向 MTC Server发送才艮告。
图 5为本发明实施例的设置触发信息有效时间系统的组成结构示意图, 如图 5所示, 本示例设置触发信息有效时间系统包括 MTC服务器和 3GPP 网络, 其中:
MTC服务器, 用于向 3GPP网络发送 trigger信息, 其中, 所述 trigger 信息包含所述 trigger信息的有效时间, 所述有效时间为所述 trigger信息在 所述 3 GPP网络中的全部时间
所述 3GPP网络, 用于根据所述 trigger信息中的有效时间, 设置所述 trigger信息经过网络节点的时间。
所述 3GPP网络中包含一个以上的网络节点;
所述 3GPP网络中的网络节点在所述有效时间内不能发送 trigger信息 时,删除本地 trigger信息,并通知所述 MTC Server所述 trigger信息发送失 败。
所述 3GPP网络包含边缘设备;
所述 MTC服务器进一步用于, 通过 MTCsp接口或 MTCsms接口将所 述 trigger信息发送给所述 3GPP网络的边缘设备;
所述边缘设备根据所述 trigger信息中的有效时间, 通过网络节点转发 trigger信息到 MTC用户设备; 如果采用短信发送 trigger信息, 所述边缘设 备还用于将 Trigger信息中的有效时间映射为短信中的有效时间 VP; 其中, 所述边缘设备为 MTC IWF、 或 SC。
所述网络节点为以下网元的任一个:
MME或 SGSN, GMSC, MSC和 eNB。
本领域技术人员应当理解, 本示例设置触发信息有效时间系统中的各 网元的功能可参见前述实施例一至实施例三的相关描述而理解。 本发明设 置触发信息有效时间系统是在现有的网络结构基础上, 只是对相应的网元 功能进行了改进而已, 网络结构仍可参见现有网络结构而理解。
图 6为本发明实施例用户设备的组成结构示意图, 如图 6所示, 本发 明的用户设备包括接收单元 60和发送单元 61; 其中:
接收单元 60, 用于接收 3GPP网络发送的 trigger信息;
发送单元 61 , 用于在所述接收单元接收到 trigger信息后向 MTC服务 器发送确认消息。 用于接收 trigger信息, 还用于收到 trigger信息后, 向 MTC服务器发送确认消息。
本领域技术人员应当理解, 图 6所示的用户设备中的各处理单元的实 现功能可参照前述设置触发信息有效时间方法及系统的相关描述而理解。 图 6所示的基站中各单元的功能可通过运行于处理器上的程序而实现, 也 可通过具体的逻辑电路而实现。 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。

Claims

权利要求书
1、 一种设置触发信息有效时间方法, 其特征在于, 所述方法包括: 机器类型通信 MTC服务器向 3GPP网络发送的触发 trigger信息中, 包 含所述 trigger信息的有效时间; 所述 3GPP网络在所述 trigger信息中的有 效时间内, 选择传输 trigger信息的方式并转发 trigger信息到 MTC用户设 备; 所述 MTC用户设备收到所述 trigger信息后, 向 MTC服务器发送确认 消息。
2、 根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 所述 3GPP网络中的网络节点在所述有效时间内不能发送 trigger信息 时,删除本地 trigger信息,并通知所述 MTC Server所述 trigger信息发送失 败。
3、 根据权利要求 1所述的方法, 其特征在于, 所述传输 trigger信息的 方式包括以下方式之一:
以短信业务 SMS传输 trigger信息, 以控制面信令传输 trigger信息。
4、 根据权利要求 1所述的方法, 其特征在于, MTC服务器向 3GPP网 络发送 trigger信息为:
所述 MTC服务器通过 MTCsp接口或 MTCsms接口将所述 trigger信息 发送给所述 3GPP网络的边缘设备。
5、 根据权利要求 3所述的方法, 其特征在于, 所述边缘设备为 MTC 互通功能 IWF、 或业务中心 SC。
6、根据权利要求 5所述的方法,其特征在于,所述边缘设备为 MTC-IWF 时,若 MTC-IWF选择采用短信方式传输 trigger信息,则 MTC-IWF将 Trigger 信息中的有效时间映射为短信中的有效时间;或者,所述边缘设备为 SC时, 所述 SC将 Trigger信息中的有效时间映射为短信中的有效时间。
7、 根据权利要求 3所述的方法, 其特征在于, 所述方法还包括: 所述边缘设备在所述 trigger信息中的有效时间内, 通过网络节点向 MTC用户设备转发 trigger信息。
8、 根据权利要求 1至 7中任一项所述的方法, 其特征在于, 所述网络 节点为以下网元的任一个:
移动管理单元 MME或 GPRS服务支持节点 SGSN,移动交换中心网关 GMSC , 移动交换中心 MSC和基站 eNB。
9、 一种设置触发信息有效时间系统, 包括 MTC服务器和 3GPP网络, 其特征在于:
MTC服务器, 用于向 3GPP网络发送 trigger信息, 其中, 所述 trigger 信息包含所述 trigger信息的有效时间, 所述有效时间为所述 trigger信息在 所述 3 GPP网络中的全部时间
所述 3GPP网络, 用于在所述 trigger信息中的有效时间内, 选择传输 trigger信息的方式并向 MTC用户设备转发所述 trigger信息。
10、根据权利要求 9所述的系统, 其特征在于, 所述 3GPP网络中包含 一个以上的网络节点;
所述 3GPP网络中的网络节点在所述有效时间内不能发送 trigger信息 时,删除本地 trigger信息,并通知所述 MTC Server所述 trigger信息发送失 败。
11、根据权利要求 9所述的系统, 其特征在于, 所述 3GPP网络包含边 缘设备;
所述 MTC服务器进一步用于, 通过 MTCsp接口或 MTCsms接口将所 述 trigger信息发送给所述 3GPP网络的边缘设备;
所述边缘设备在所述 trigger信息中的有效时间内, 选择传输 trigger信 息的方式并通过网络节点转发 trigger信息; 其中, 所述边缘设备为 MTC IWF、 或 SC。
12、 根据权利要求 9或 11所述的系统, 其特征在于, 所述传输 trigger 信息的方式包括以下方式之一:
以 SMS传输 trigger信息, 以控制面信令传输 trigger信息。
13、 一种用户设备, 其特征在于, 包括接收单元和发送单元; 其中: 接收单元, 用于接收 3GPP网络发送的 trigger信息;
发送单元,用于在所述接收单元接收到 trigger信息后向 MTC服务器发 送确认消息。
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