WO2016106561A1 - Appareil et procédé de signalisation de message et appareil et procédé d'envoi de données - Google Patents

Appareil et procédé de signalisation de message et appareil et procédé d'envoi de données Download PDF

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Publication number
WO2016106561A1
WO2016106561A1 PCT/CN2014/095588 CN2014095588W WO2016106561A1 WO 2016106561 A1 WO2016106561 A1 WO 2016106561A1 CN 2014095588 W CN2014095588 W CN 2014095588W WO 2016106561 A1 WO2016106561 A1 WO 2016106561A1
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WIPO (PCT)
Prior art keywords
application server
state
data
mobility management
management entity
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PCT/CN2014/095588
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English (en)
Chinese (zh)
Inventor
邓强
张万强
时晓岩
吴义壮
Original Assignee
华为技术有限公司
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.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480037801.3A priority Critical patent/CN105934964B/zh
Priority to PCT/CN2014/095588 priority patent/WO2016106561A1/fr
Publication of WO2016106561A1 publication Critical patent/WO2016106561A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of communications, and in particular, to a message reporting apparatus and method, and a data transmitting apparatus and method.
  • Machine-to-machine (Machine to Machine, M2M) as the Third Generation Partnership Project (3 rd Generation Partnership Project, 3GPP ) is a key research project, we studied and standardized for different characteristics from the beginning M2M R10, such as M2M congestion Control, small data transfer, monitoring, and more.
  • M2M devices with high latency, low bit rate, and power saving mode.
  • PSM Power Saving Mode
  • M2M devices are in an unreachable state, and these M2M devices often have high delay characteristics, that is, M2M devices can tolerate data arrival. Certain delay.
  • the mobility management entity In the existing M2M device data transmission scheme, after the data/signal sent by the application server arrives at the network, and the mobility management entity finds that the user equipment (User Equipment, UE) is in an unreachable state, the mobility management entity will The data/signal sent by the application server is discarded; and the application server will continuously resend the data/letter because the application server does not receive any response from the mobility management entity or the UE, such as a response message for data transmission failure and data transmission failure. Order, which in turn causes waste of resources.
  • User Equipment User Equipment
  • the present invention provides a message reporting apparatus and method, and a data transmitting apparatus and method to avoid resource waste caused by repeated application of data by an application server.
  • a message reporting apparatus includes:
  • a state determining unit configured to: when the application server triggers paging the user equipment UE, determining that the UE is in an unreachable state; the UE is a receiving end that sends data to the application server;
  • a message reporting unit configured to: when the state determining unit determines that the UE is in an unreachable state, report the message that the UE is in an unreachable state to the application server; the message that the UE is in an unreachable state is used to notify the application server The UE cannot receive data sent by the application server.
  • the state determining unit is specifically configured to:
  • the UE is determined to be in an unreachable state at the current time according to the current time and the saved time information of the UE being in an unreachable state.
  • the message reporting unit is further configured to:
  • the time when the UE is in the reachable state and the UE identifier are reported to the application server.
  • the message reporting unit reports, to the application server, the time when the UE is in the reachable state and the UE identifier. Also used for:
  • the time interval between the time when the UE is in the reachable state twice before and after the UE is reported to the application server.
  • the method further includes:
  • the application server Recording, by the application server, the data sending failure information, where the failure information includes an application server identifier and a UE identifier; determining that the UE is in a reachable state;
  • the message reporting unit is further configured to:
  • the message that the UE is in the reachable state and the identifier of the UE are reported to the application server according to the identifier of the application server that is recorded by the state determining unit; the message that the UE is in the reachable state is used to notify the application service
  • the UE is capable of receiving data transmitted by an application server.
  • the state determining unit is further configured to: before the application server records the data sending failure information,
  • Determining that the signing information indicates that the message reporting unit reports to the application server that the UE is in a reachable state when the state determining unit determines that the UE is in a reachable state;
  • Determining the data service type indicates that the data transmission has a delay characteristic.
  • the information about the data sending failure of the application server further includes: a time when the UE is in a reachable state next time;
  • the state determining unit determines that the UE is in a reachable state
  • the state determining unit is specifically configured to:
  • the UE is determined to be in a reachable state at the current time according to the current time and the time when the UE is in the reachable state.
  • the state determining unit determines, when the UE is in a reachable state, specifically:
  • the state determining unit determines that the UE is in a reachable state, and is further configured to:
  • the message reporting unit is further configured to:
  • the UE reports a message with a low bit rate bearer feature to the application server.
  • the message reporting unit is further configured to:
  • the reject message is used to instruct the serving gateway to delete the data sent by the cached application server to the UE.
  • the message is reported
  • the unit reports to the application server in the following ways:
  • the status determining unit and the message reporting unit by the state determining unit, when the application server triggers paging the user equipment UE, determining that the UE is in an unreachable state; a receiving end that sends data to the application server; when the state determining unit determines that the UE is in an unreachable state, the message reporting unit reports to the application server that the UE is in an unreachable state; the UE is unreachable
  • the status message is used to notify the application server that the UE cannot receive the data sent by the application server, and the application server stops sending data to the UE, which avoids the fact that the application server cannot know that the UE is in an unreachable state and repeatedly sends data. The problem of wasting resources.
  • the present invention provides a data transmitting apparatus, including:
  • a data sending unit configured to send data to the user equipment UE, and trigger the mobility management entity to page the UE;
  • a message receiving unit configured to: after the data sending unit triggers the mobility management entity to page the UE, receive a message that the UE reported by the mobility management entity is in an unreachable state; and the message that the UE is in an unreachable state Notifying the data sending unit that the UE cannot receive data sent by the data sending unit;
  • the data sending unit is further configured to: according to the UE received by the message receiving unit, the UE is not The reachable status message determines that the UE is not reachable, and stops sending data to the UE.
  • the message receiving unit after receiving the message that the UE is in an unreachable state, is further configured to:
  • the data sending unit stops sending data to the UE, it is further used to:
  • the message receiving unit is further configured to:
  • the data sending unit When the data sending unit resends data to the UE according to the UE identifier received by the message receiving unit, the data sending unit is specifically configured to:
  • Resending data to the UE according to the adjusted time interval Resending data to the UE according to the adjusted time interval.
  • the message receiving unit is further configured to:
  • the UE may receive data sent by the data sending unit;
  • the data sending unit is further configured to: after the message receiving unit receives the message that the UE reported by the mobility management entity is in a reachable state and the UE identifier,
  • the message receiving unit is further configured to:
  • the data sending unit When the data sending unit resends data to the UE according to the UE identifier received by the message receiving unit, the data sending unit is specifically configured to:
  • the data sending unit and the message receiving unit specifically, the data sending unit sends data to the user equipment UE, and triggers the mobility management entity to page the UE; the message receiving unit After the data sending unit triggers the mobility management entity to page the UE, the message that the UE that is reported by the mobility management entity is in an unreachable state is received; the message that the UE is in an unreachable state is used to notify the data.
  • the transmitting unit may not receive the data sent by the data sending unit, and the data sending unit determines, after the UE is unreachable according to the message that the UE is in an unreachable state, that is received by the message receiving unit, stops the The UE sends data, which avoids the problem of waste of resources caused by repeated transmission of data because the application server cannot know that the UE is in an unreachable state in the prior art.
  • a message reporting method provided by the present invention includes:
  • the UE When the mobility management entity is triggered by the application server to page the user equipment UE, the UE is determined to be in an unreachable state; the UE is a receiving end that sends data to the application server;
  • the mobility management entity reports to the application server that the UE is in an unreachable state; the message that the UE is in an unreachable state is used to notify the application server that the UE cannot receive data sent by the application server.
  • the mobility management entity determines that the UE is in an unreachable state, including:
  • the mobility management entity determines that the UE is in an unreachable state
  • the mobility management entity determines that the UE is in an unreachable state at the current time according to the current time and the saved time information that the UE is in an unreachable state.
  • the method further includes:
  • the mobility management entity calculates the time when the UE is in the reachable state next time
  • the mobility management entity reports to the application server the time when the UE is in the reachable state and the UE identifier.
  • the mobility management entity reports to the application server, the time when the UE is in the reachable state, and the UE identifier.
  • the method further includes:
  • the mobility management entity reports to the application server a time interval between the time when the UE is in the reachable state twice before and after.
  • the method further includes:
  • the mobility management entity records the data sending failure information of the application server, where the failure information includes an application server identifier and a UE identifier.
  • the mobility management entity determines that the UE is in a reachable state
  • the mobility management entity reports the message that the UE is in the reachable state and the UE identifier to the application server according to the identifier of the application server.
  • the message that the UE is in the reachable state is used to notify the application server that the UE can receive the data sent by the application server.
  • the method before the mobility management entity records the information sending failure information of the application server, the method further includes:
  • Determining the data service type indicates that the data transmission has a delay characteristic.
  • the data sending failure information of the application server further includes: a time when the UE is in a reachable state next time;
  • the mobility management entity determines that the UE is in a reachable state, including:
  • the mobility management entity determines the UE according to the current time and the time when the UE is in the reachable state next time. It is reachable at the current time.
  • the mobility management entity determines that the UE is in a reachable state, including:
  • the mobility management entity determines that the UE is in a reachable state
  • the mobility management entity determines that the UE is in a reachable state.
  • the method further includes:
  • the mobility management entity establishes a low bit rate bearer for the UE
  • the mobility management entity reports to the application server that the UE has a low bit rate bearer feature.
  • the method further includes:
  • the mobility management entity sends a reject message to the serving gateway, where the reject message is used to instruct the serving gateway to delete the data sent by the cached application server to the UE.
  • the mobility management entity Report to the application server in the following ways:
  • the mobility management entity reports to the application server through the home subscription server; or
  • the mobility management entity reports to the application server through the home subscription server and the application gateway in turn; or
  • the mobility management entity reports to the application server through the service gateway, the packet data network gateway, and the policy and charging rule function entity; or
  • the mobility management entity reports to the application server through the service gateway, the packet data network gateway, the policy and charging rule function entity, and the application gateway; or
  • the mobility management entity reports to the application server through the application gateway; or
  • the mobility management entity reports to the application server through the service gateway and the packet data network gateway.
  • the paging user equipment UE is triggered by the application server by the mobility management entity And determining, by the UE, that the UE is in an unreachable state; the mobility management entity reports, to the application server, that the UE is in an unreachable state; the UE is in an unreachable state.
  • the application server is configured to notify the application server that the UE cannot receive the data sent by the application server, and the application server stops sending data to the UE, which avoids the waste of resources caused by repeatedly sending data because the application server cannot know that the UE is in an unreachable state in the prior art. The problem.
  • the present invention provides a data sending method, including:
  • the mobility management entity When the application server sends data to the user equipment UE, the mobility management entity is triggered to page the UE, and the message that the UE is in an unreachable state is received by the mobility management entity; the message that the UE is in an unreachable state is used to notify the application.
  • the UE cannot receive data sent by the application server;
  • the application server After determining that the UE is unreachable according to the message that the UE is in an unreachable state, the application server stops sending data to the UE.
  • the method further includes:
  • the application server receives the time when the UE reported by the mobility management entity is in the reachable state and the UE identifier.
  • the method further includes:
  • the application server determines that the UE is in the reachable state according to the time when the UE is in the reachable state, the application server resends the data to the UE according to the UE identifier.
  • the method before the application server resends data to the UE according to the UE identifier, the method further includes:
  • the application server receives a time interval between the time that the UE reported by the mobility management entity is in the reachable state twice before and after;
  • the application server resends data to the UE according to the UE identifier, including:
  • the application server adjusts a time interval for resending data to the UE according to the time interval
  • the application server resends the data to the UE according to the adjusted time interval.
  • the application server When the mobility management entity determines that the UE is in the reachable state, the application server receives the message that the UE reported by the mobility management entity is in the reachable state and the UE identifier; the message that the UE is in the reachable state is used to notify the application server of the UE. Can receive data sent by the application server;
  • the application server resends the data to the UE according to the UE identity.
  • the method before the application server resends data to the UE according to the UE identifier, the method further includes:
  • the application server receives a message that the UE reported by the mobility management entity has a low bit rate bearer feature
  • the application server resends data to the UE according to the UE identifier, including:
  • the application server extends the time interval for resending data to the UE according to the low bit rate bearer characteristic of the UE.
  • the mobility management entity when the application server sends data to the user equipment UE, the mobility management entity is triggered to page the UE, and the UE that is reported by the mobility management entity is in an unreachable state; the UE is in an unreachable state.
  • the message is used to notify the application server that the UE cannot receive the data sent by the application server; the application server determines that the UE is unreachable according to the message that the UE is in an unreachable state, and stops sending data to the UE, thereby avoiding the failure of the application server in the prior art. It is known that the UE is in an unreachable state and wastes resources caused by repeated data transmission.
  • FIG. 1 is a schematic structural diagram of a message reporting apparatus according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a data sending apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a message reporting method according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a message reporting apparatus according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a data sending apparatus according to an embodiment of the present invention.
  • the application server when the application server sends data to the UE through the network, when the mobility management entity finds that the UE is in an unreachable state at this time, the mobility management entity discards the data/signaling sent by the application server. And because the application server does not receive any response from the mobility management entity or the M2M device, such as a response message of data transmission failure and data transmission failure reason, the application server will continuously retransmit the data/signaling, thereby causing waste of resources.
  • the message reporting apparatus and method provided by the embodiment of the present invention, and a data sending apparatus and method when the mobility management entity determines that the UE is in an unreachable state, reports the UE that the UE is in an unreachable state by using the message to the application server. Further, the application server stops sending data to the UE, which avoids the problem of waste of resources caused by the application server repeatedly transmitting data to the UE.
  • the UE is in an unreachable state, and the UE is incapable of receiving data sent by other devices to the device. Similarly, the UE is in a reachable state, and the UE can receive data sent by other devices to the device. .
  • an embodiment of the present invention provides a message reporting apparatus, including:
  • the state determining unit 11 is configured to: when the application server triggers paging the user equipment UE, determine that the UE is in an unreachable state; and the UE sends a data receiving end to the application server;
  • the message reporting unit 12 is configured to report, when the state determining unit 11 determines that the UE is in an unreachable state, the message that the UE is in an unreachable state, and the message that the UE is in an unreachable state is used for notification.
  • the application server cannot receive data sent by the application server.
  • the state determining unit 11 is specifically configured to:
  • the time is unreachable.
  • the message reporting unit 12 is further configured to: after the state determining unit 11 determines that the UE is in an unreachable state,
  • the time when the UE is in the reachable state and the UE identifier are reported to the application server.
  • the message reporting unit 12 reports to the application server the time when the UE is in the reachable state and the UE identifier.
  • the time interval between the time when the UE is in the reachable state twice before and after the UE is reported to the application server.
  • the state determining unit 11 is further configured to:
  • the application server Recording, by the application server, the data sending failure information, where the failure information includes an application server identifier and a UE identifier; determining that the UE is in a reachable state;
  • the message reporting unit 12 is further configured to:
  • the message of the UE being in the reachable state and the UE identifier are reported to the application server according to the application server identifier recorded by the state determining unit 11; the message that the UE is in the reachable state is used to notify the application server that the UE can receive the application server to send The data.
  • the state determining unit 11 records, before the application server sends the data sending failure information, to:
  • Determining that the subscription information indicates that the message reporting unit 12 reports to the application server that the UE is in a reachable state when the state determining unit 11 determines that the UE is in a reachable state;
  • Determining the data service type indicates that the data transmission has a delay characteristic.
  • the data sending failure information of the application server further includes: a time when the UE is in a reachable state next time;
  • the state determining unit 11 determines that the UE is in a reachable state
  • the state determining unit 11 is specifically configured to:
  • the state determining unit 11 determines that the UE is in a reachable state
  • the state determining unit 11 is specifically configured to:
  • the state determining unit 11 determines that the UE is in a reachable state, and is further configured to:
  • the message reporting unit 12 is further configured to:
  • the UE reports a message with a low bit rate bearer feature to the application server.
  • the message reporting unit 12 is further configured to: after the state determining unit 11 determines that the UE is in an unreachable state,
  • the reject message is used to instruct the serving gateway to delete the data sent by the cached application server to the UE.
  • the message reporting unit 12 reports to the application server in the following manner:
  • the state determining unit 11 and the message reporting unit 12 determines that the UE is in an unreachable state when the paging server device UE is triggered by the application server.
  • the UE is a receiving end that sends data to the application server; when the state determining unit 11 determines that the UE is in an unreachable state, the message reporting unit 12 reports to the application server that the UE is in an unreachable state; The message that the UE is in an unreachable state is used to communicate
  • the application server can not receive the data sent by the application server, and the application server stops sending data to the UE, which avoids the problem of waste of resources caused by repeated transmission of data because the application server cannot know that the UE is in an unreachable state in the prior art. .
  • an embodiment of the present invention provides a data sending apparatus, including:
  • the data sending unit 21 is configured to send data to the user equipment UE, and trigger the mobility management entity to page the UE;
  • the message receiving unit 22 is configured to: after the data sending unit 21 triggers the mobility management entity to page the UE, receive a message that the UE reported by the mobility management entity is in an unreachable state; and the UE is in an unreachable state.
  • the message is used to notify the data sending unit 21 that the UE cannot receive the data sent by the data sending unit 21;
  • the data sending unit 21 is further configured to stop sending data to the UE after determining that the UE is unreachable according to the message that the UE is in an unreachable state received by the message receiving unit 22.
  • the message receiving unit 22 is further configured to:
  • the data sending unit 21 After the data sending unit 21 stops sending data to the UE, it is further used to:
  • the message receiving unit 22 When it is determined that the UE is in the reachable state according to the time when the UE is in the reachable state at the time when the UE is in the reachable state, the message receiving unit 22 retransmits the data to the UE according to the UE identifier received by the message receiving unit 22.
  • the message receiving unit 22 is further configured to:
  • the data sending unit 21 When the data sending unit 21 resends data to the UE according to the UE identifier received by the message receiving unit 22, the data sending unit 21 is specifically configured to:
  • Resending data to the UE according to the adjusted time interval Resending data to the UE according to the adjusted time interval.
  • the message receiving unit 22 is further configured to:
  • the message that the UE is in the reachable state is used to notify the data sending unit 21 when the mobility management entity determines that the UE is in the reachable state, and receives the message that the UE reported by the mobility management entity is in the reachable state.
  • the UE may receive data sent by the data sending unit 21;
  • the data sending unit 21 is configured to: after the message receiving unit 22 receives the message that the UE is in the reachable state and the UE identifier reported by the mobility management entity,
  • the message receiving unit 22 is further configured to:
  • the data sending unit 21 When the data sending unit 21 resends data to the UE according to the UE identifier received by the message receiving unit 22, the data sending unit 21 is specifically configured to:
  • the data sending unit 21 and the message receiving unit 22 specifically, the data sending unit 21 sends data to the user equipment UE, and triggers the mobility management entity to page the UE; After the data sending unit 21 triggers the mobility management entity to page the UE, the message receiving unit 22 receives a message that the UE reported by the mobility management entity is in an unreachable state; Notifying the data sending unit 21 that the UE cannot receive the data sent by the data sending unit 21; the data sending unit 21 determines that the UE is in an unreachable state according to the message received by the message receiving unit 22 After the UE is unreachable, the data transmission to the UE is stopped, which avoids the problem of waste of resources caused by repeated transmission of data because the application server cannot know that the UE is in an unreachable state in the prior art.
  • an embodiment of the present invention provides a message reporting method, including:
  • the mobility management entity When the mobility management entity is triggered by the application server to page the user equipment UE, the UE is determined to be in an unreachable state; and the UE is a receiving end that sends data to the application server.
  • the mobility management entity When the application server sends data to the UE, the mobility management entity is triggered by the gateway to page the UE, and the UE is in a reachable state or an unreachable state. When the UE is in an unreachable state, the UE cannot receive data sent by the application server.
  • the mobility management entity reports the message that the UE is in an unreachable state to the application server.
  • the message that the UE is in an unreachable state is used to notify the application server that the UE cannot receive data sent by the application server.
  • the method for determining, by the mobility management entity in S31, that the UE is in an unreachable state includes:
  • the mobility management entity determines that the UE is in an unreachable state
  • the mobility management entity determines that the UE is in an unreachable state at the current time according to the current time and the time information of the saved UE in the unreachable state. For example, when the UE adopts a Power Saving Mode (PSM), the mobility management entity according to the UE The active time (Active Time) sets a timer for the UE. When the timer expires, the mobility management entity determines that the UE is in an unreachable state.
  • PSM Power Saving Mode
  • the embodiment of the present invention provides two solutions, so that when the UE changes from the unreachable state to the reachable state, the application server resends the data to the UE, as follows:
  • the mobility management entity After the S31 mobility management entity determines that the UE is in an unreachable state, the mobility management entity calculates a time when the UE is in the reachable state next time;
  • the mobility management entity may calculate the time when the UE performs the TAU process next time according to the Tracking Area Update (TAU) time, that is, the time when the UE is in the reachable state next time;
  • TAU Tracking Area Update
  • the mobility management entity reports to the application server the time when the UE is in the reachable state and the identifier of the UE, so that the application server can determine when the UE is in the reachable state according to the time when the UE is in the reachable state, and then determine the UE.
  • the application server resends the data to the UE.
  • the method further includes:
  • the mobility management entity reports to the application server a time interval between the time when the UE is in the reachable state, and the application server can be configured according to the time when the UE is in the reachable state twice before and after the UE.
  • the time interval adjusts the time interval for resending data to the UE, and resends data to the UE according to the adjusted time interval.
  • the mobility management entity After the S31 mobility management entity determines that the UE is in an unreachable state, the mobility management entity records the data transmission failure information of the application server, including: an application server identifier and a UE identifier;
  • the mobility management entity determines that the UE is in a reachable state
  • the mobility management entity reports the message that the UE is in the reachable state and the UE identifier to the application server according to the application server identifier.
  • the message that the UE is in the reachable state is used to notify the application server that the UE can receive the data sent by the application server.
  • the method further includes:
  • Determining the data service type indicates that the data transmission has a delay characteristic.
  • the mobility management entity may determine whether to record the data transmission failure information of the application server according to the subscription information and the data service type.
  • the method for the mobility management entity to determine that the UE is in a reachable state includes:
  • the data transmission failure information of the application server recorded by the mobility management entity includes: the time when the UE is in the reachable state next time;
  • the mobility management entity determines that the UE is in a reachable state at the current time according to the current time and the time when the UE is in the reachable state.
  • Method 2 When receiving the UE initiates a mobility management request, the mobility management entity determines that the UE is in a reachable state.
  • Method 3 When detecting that the UE initiates a communication request, the mobility management entity determines that the UE is in a reachable state.
  • the method for determining, by the mobility management entity, that the UE is in the reachable state in the embodiment of the present invention is limited to the above three methods.
  • the method further includes:
  • the mobility management entity establishes a low bit rate bearer for the UE
  • the mobility management entity reports to the application server that the UE has a low bit rate bearer feature, so that the application server can extend the time for resending data to the UE according to the low bit rate bearer feature of the UE.
  • the method further includes:
  • the mobility management entity sends a reject message to the serving gateway, the reject message is used to instruct the serving gateway to delete the data sent by the cached application server to the UE.
  • the mobility management entity reports the status message of the UE to the application server.
  • the status message of the UE refers to a message that the UE is in an unreachable state, or a message that the UE is in a reachable state:
  • the mobility management entity reports to the application server through the home subscription server; or
  • the mobility management entity reports to the application server through the home subscription server and the application gateway in turn; or
  • the mobility management entity reports to the application server through the service gateway, the packet data network gateway, and the policy and charging rule function entity; or
  • the mobility management entity reports to the application server through the service gateway, the packet data network gateway, the policy and charging rule function entity, and the application gateway; or
  • the mobility management entity reports to the application server through the application gateway; or
  • the mobility management entity reports to the application server through the service gateway and the packet data network gateway.
  • the application gateway 3 Generation Partnership Project (3 rd Generation Partnership Project, 3GPP ) logical entity that communicates between the network entity and the external application.
  • the UE when the mobility management entity is triggered by the application server to page the user equipment UE, the UE is determined to be in an unreachable state; the UE is a receiving end that sends data to the application server; and the mobility management entity reports to the application server.
  • the message that the UE is in the unreachable state is used to notify the application server that the UE cannot receive the data sent by the application server, and the application server stops sending data to the UE, which avoids the prior art.
  • the application server cannot know that the UE is in an unreachable state and wastes resources caused by repeated data transmission.
  • the mobility management entity reports the time when the UE is in the reachable state to the application server, and the application server can determine the time when the UE is in the reachable state, so that the application server can resend the data to the UE; or when it is determined that the UE is in the In the reachable state, the mobility management entity reports to the application server that the UE is in a reachable state, so that the application server can resend the data to the UE, and implement data transmission between the M2M devices with delay characteristics.
  • an embodiment of the present invention provides a data sending method, including:
  • the application server sends data to the user equipment UE
  • the mobility management entity is triggered to page the UE, and the message that the UE is in an unreachable state is sent by the mobility management entity. Notifying the application server that the UE cannot receive data sent by the application server;
  • the application server After determining that the UE is unreachable according to the message that the UE is in an unreachable state, the application server stops sending data to the UE.
  • the mobility management entity When the application server sends data to the UE, the mobility management entity is triggered by the gateway to page the UE, and the UE is in a reachable state or an unreachable state.
  • the UE When the UE is in the unreachable state, the UE cannot receive the data sent by the application server, and the embodiment of the present invention is applicable to the case where the UE is in an unreachable state.
  • the embodiment of the present invention provides two solutions, so that when the UE changes from the unreachable state to the reachable state, the application server resends the data to the UE, as follows:
  • the application server When receiving the message that the UE reported by the mobility management entity is in an unreachable state, the application server And receiving, by the mobility management entity, a time when the UE is in a reachable state and a UE identifier;
  • the application server determines that the UE is in the reachable state according to the time when the UE is in the reachable state, the application server resends the data to the UE according to the UE identifier.
  • the method further includes:
  • the application server receives a time interval between the time that the UE reported by the mobility management entity is in the reachable state twice before and after;
  • the application server adjusts the time interval for resending data to the UE according to the time interval between the time when the UE is in the reachable state twice before and after the UE;
  • the application server resends the data to the UE according to the adjusted time interval.
  • the time interval between the time when the UE is in the reachable state twice before and after is adjusted from 5 minutes to 10 minutes
  • the time interval for the application server to send data to the UE is adjusted from the original value to 10 minutes, and Resending the data to the UE, that is, when the UE is in the reachable state, the application server resends the data to the UE. If the application server sends the data to the UE in the process of being in the reachable state, the application server obtains the data after 10 minutes. It is known that the UE is in the reachable state again, and the application server sends data to the UE again.
  • the application server receives the message that the UE reported by the mobility management entity is in the reachable state and the UE identifier.
  • the application server resends the data to the UE according to the UE identity.
  • the method further includes:
  • the application server receives a message that the UE reported by the application server has a low bit rate bearer feature
  • the application server resends the data to the UE according to the UE identifier, including:
  • the application server extends the time interval for resending data to the UE according to the low bit rate bearer characteristic of the UE.
  • the time interval for the application server to send data to the UE is 10 minutes.
  • the mobility management entity when the application server sends data to the user equipment UE, the mobility management entity is triggered to page the UE, and the UE that is reported by the mobility management entity is in an unreachable state; the UE is in an unreachable state.
  • the message is used to notify the application server that the UE cannot receive the data sent by the application server; the application server determines that the UE is unreachable according to the message that the UE is in an unreachable state, and stops sending data to the UE, thereby avoiding the failure of the application server in the prior art. It is known that the UE is in an unreachable state and wastes resources caused by repeated data transmission.
  • the application server receives the time when the UE reported by the mobility management entity is in the reachable state, and the application server can determine the time when the UE is in the reachable state, so that the application server can resend the data to the UE; or when mobility
  • the application server receives the message that the UE reported by the mobility management entity is in a reachable state, so that the application server can resend the data to the UE, and implement data transmission between the M2M devices with delay characteristics. .
  • the embodiment of the present invention provides a data sending method, which is based on a Home Subscriber Server (HSS) for UE status reporting, and a mobility management entity and
  • HSS Home Subscriber Server
  • the interaction process between application servers is as follows:
  • the application server sends downlink data to a Serving Gateway (SGW) through a Packet Data Network Gateway (PGW).
  • SGW Serving Gateway
  • PGW Packet Data Network Gateway
  • the SGW caches downlink data sent by the application server.
  • the SGW sends a downlink data notification DL Data Notification message to a mobility management entity (MME).
  • MME mobility management entity
  • the DL Data Notification message includes an Evolved Packet System bearer identifier EPS Bearer ID and an Allocation and Retention Priority (ARP).
  • the DL Data Notification The message further includes an application server identifier; optionally, the DL Data Notification message further includes a data service type, such as whether the transmission of the downlink data tolerates a higher delay.
  • SGW can be sent by parsing application server The "Source Address” and "Traffic Type" fields in the packet header of the IP packet of the UE obtain the above information contained in the DL Data Notification message.
  • the mobility management entity determines that the UE is in an unreachable state.
  • the method for the mobility management entity to determine that the UE is in an unreachable state includes:
  • the mobility management entity pages the UE, and when the message that the UE responds to the paging is not received, the MM determines that the UE is in an unreachable state; or
  • the MM determines that the UE is in an unreachable state according to the time information of the saved UE in an unreachable state; for example, when the UE is in the power saving mode PSM, the mobility management entity sets the mobile reachable timing according to the saved active time (Active Time) of the UE. Mobile Reachable Timer, when the timer expires, the mobility management entity determines that the UE is in an unreachable state.
  • the mobility management entity sends a Digital Data Network (DDN) reject message to the SGW.
  • DDN Digital Data Network
  • the SGW After receiving the DDN reject message, the SGW performs an operation defined by the existing specification, including deleting the downlink data sent by the cached application server to the UE;
  • the mobility management entity reports a message that the UE is in an unreachable state to the application server by using a Home Subscriber Server (HSS).
  • HSS Home Subscriber Server
  • the HSS reports to the application server according to the application server identifier, where the application server identifier may be an application server identifier in the UE subscription information saved by the HSS, or may be an application server identifier reported by the mobility management entity to the HSS.
  • the application server identifier may be an application server identifier in the UE subscription information saved by the HSS, or may be an application server identifier reported by the mobility management entity to the HSS.
  • the application server After receiving the message that the UE reported by the mobility management entity is in an unreachable state, the application server stops sending downlink data to the UE.
  • the application server when the UE changes from the unreachable state to the reachable state, the application server resends the downlink data to the UE by using the following steps S509 to S511:
  • the mobility management entity calculates a time when the UE is in a reachable state next time.
  • the mobility management entity calculates the time when the UE performs TAU next time according to the Tracking Area Update (TAU) time of the UE, that is, the UE.
  • TAU Tracking Area Update
  • the mobility management entity reports, by using the HSS, the time when the UE is in the reachable state and the UE identifier to the application server.
  • the UE identifier reported by the mobility management entity to the HSS refers to a UE identifier defined by the 3GPP, such as an International Mobile Subscriber Identification Number (IMSI) or a mobile subscriber (Integrated Services Digital Network). ISDN)/Public Switched Telephone Network (PSTN) number (Mobile Subscriber International ISDN/PSTN number, MSISDN).
  • IMSI International Mobile Subscriber Identification Number
  • PSTN Public Switched Telephone Network
  • MSISDN Mobile Subscriber International ISDN/PSTN number
  • the UE identifier reported by the HSS to the application server refers to the external identifier of the UE or the MSISDN.
  • the HSS is based on the application server identifier. And reporting to the application server, where the application server identifier may be an application server identifier in the UE subscription information saved by the HSS, or may be an application server identifier reported by the mobility management entity to the HSS.
  • the mobility management entity selects, according to the data service type and the time when the UE is in the reachable state, whether to report the time when the UE is in the reachable state and the UE identifier to the application server, that is, if the data is required in real time. If the UE is in an unreachable state for a long period of time, the mobility management entity does not need to report to the application server the time when the UE is in the reachable state and the UE identifier. The UE may change from the unreachable state to the reachable state within the delay time allowed by the data. At this time, the mobility management entity may choose to report to the application server the time when the UE is in the reachable state and the UE identifier.
  • the mobility management entity may report the time interval between the time when the UE is in the reachable state twice before and after the UE is sent to the application server by using the HSS.
  • the application server determines that the UE is in a reachable state according to the time when the UE is in the reachable state, the application server resends the downlink data to the UE according to the UE identifier.
  • the application server is configured according to the UE.
  • the time interval between resending data to the UE is adjusted at a time interval between two adjacent time periods in which the two are respectively in a reachable state, and data is retransmitted to the UE.
  • the embodiment of the present invention may also be implemented by the following steps S512 to S514, when the UE changes from the unreachable state to the reachable state, the application server resends the downlink data to the UE:
  • the mobility management entity records the data sending failure information of the application server, including: an application server identifier and a UE identifier.
  • the mobility management entity selects whether to record the data sending failure information of the application server according to the data service type. If the real-time requirement of the data is relatively high, the mobility management entity does not need to record the data transmission failure information of the application server; if the data is allowed to arrive for a certain period of time, the mobility management entity records the data transmission failure information of the application server.
  • the mobility management entity when the mobility management entity reports to the application server that the UE is in a reachable state when the UE is in the reachable state, the mobility management entity records the data sending failure information of the application server; or
  • the mobility management entity When the data service type indicates that the data has a delay characteristic, the mobility management entity records the data transmission failure information of the application server.
  • the data sending failure information of the application server further includes the time when the UE is in the reachable state.
  • the mobility management entity reports, according to the application server identifier, the message that the UE is in a reachable state and the UE identifier to the application server.
  • the method for determining, by the mobility management entity in S513, that the UE is in a reachable state includes:
  • Method 1 If the data transmission failure information of the application server in the S512 further includes the time when the UE is in the reachable state, the mobility management entity determines that the UE is in the reachable state according to the time when the UE is in the reachable state.
  • Method 2 When receiving the UE initiates a mobility management request, the mobility management entity determines that the UE is in a reachable state.
  • Method 3 When detecting that the UE initiates a communication request, the mobility management entity determines that the UE is in a reachable state.
  • the application server resends downlink data to the UE according to the UE identifier.
  • the mobility management entity determines in S513 that the UE is in the reachable state, the mobility management entity establishes a low bit rate bearer for the UE, and reports to the application server that the UE has a low bit rate bearer feature.
  • the application server extends the time interval for resending the downlink data to the UE according to the low bit rate bearer characteristic of the UE.
  • the mobility management entity when the mobility management entity determines that the UE is in an unreachable state, the mobility management entity reports the message that the UE is in an unreachable state to the application server, thereby avoiding that the UE cannot be known by the application server in the prior art. In the unreachable state, the problem of wasted resources caused by repeated data transmission.
  • the mobility management entity reports the time when the UE is in the reachable state to the application server, and the application server can determine the time when the UE is in the reachable state, so that the application server can resend the data to the UE; or when it is determined that the UE is in the In the reachable state, the mobility management entity reports to the application server that the UE is in a reachable state, so that the application server can resend the data to the UE, and implement data transmission between the M2M devices with delay characteristics.
  • the home subscription server HSS can be replaced by a policy and charging rule function (PCRF) entity, or a T5 interface, or a user plane, that is, the mobility management entity is based on policy and charging.
  • the rule function entity, or the T5 interface, or the user is directed to the application server for UE status reporting.
  • the mobility management entity performs UE status reporting to the application server based on the policy and charging rule function entity
  • the mobility management entity reports the status message of the UE to the serving gateway
  • the service gateway passes the packet data network gateway to the policy and charging rule.
  • the function entity reports the status message of the UE
  • the policy and charging rule function entity reports the status message of the UE to the application server.
  • the difference from the fifth embodiment is that when the mobility management entity performs UE status reporting based on the policy and charging rule function entity or the user oriented application server, the SGW sends a downlink data notification DL Data Notification message to the mobility management entity in S503. The message does not need to carry the application server identifier.
  • the UE if the UE is in the unreachable state, it is attached to the original mobility management entity, and when the UE is in the reachable state, it is attached to the new mobility management entity.
  • This process is different from the fifth embodiment in that the original mobile The sexual management entity performs steps S501 to S512 when the UE is attached to the new mobility tube
  • the new mobility management entity acquires the data transmission failure information of the application server recorded by the original mobility management entity in S512, and executes S513.
  • the embodiment of the present invention provides a message reporting apparatus, including:
  • the processor 61 is configured to: when the application server triggers paging the user equipment UE, determine that the UE is in an unreachable state; and the UE is a receiving end that sends data to the application server;
  • the transceiver 62 is configured to: when the processor 61 determines that the UE is in an unreachable state, report a message that the UE is in an unreachable state to the application server; and the message that the UE is in an unreachable state is used to notify the application server.
  • the UE cannot receive data sent by the application server.
  • the apparatus shown in FIG. 6 further includes:
  • the memory 63 is configured to save time information that the UE is in an unreachable state
  • the processor 61 determines that the UE is in an unreachable state, the processor is specifically configured to:
  • the UE is determined to be in an unreachable state at the current time according to the current time and the time information of the UE in the unreachable state saved by the memory 63.
  • the processor 61 is further configured to:
  • the transceiver 62 is also used to:
  • the time when the UE is in the reachable state and the UE identity calculated by the processor 61 are reported to the application server.
  • the transceiver 62 reports to the application server that the time that the UE 61 is in the reachable state and the UE identifier calculated by the processor 61 is further used to:
  • the time interval between the time when the UE is in the reachable state twice before and after the UE is reported to the application server.
  • the memory 63 determines at the processor 61 that the UE is in an unreachable state. Later, it is also used to:
  • the failure information includes an application server identifier and a UE identifier
  • the processor 61 is further configured to:
  • the transceiver 62 is further configured to: after the processor 61 determines that the UE is in a reachable state:
  • the message that the UE is in the reachable state and the UE identifier to the application server is used to notify the application server that the UE can receive the data sent by the application server.
  • the processor 61 is further configured to: before the memory 63 saves the data transmission failure information of the application server:
  • Determining the subscription information indicates that the transceiver 62 reports to the application server that the UE is in a reachable state when the processor 61 determines that the UE is in a reachable state, and notifies the memory 63 to save the data transmission failure information of the application server; or
  • Determining the data service type indicates that the current data transmission has a delay characteristic, and notifying the memory 63 to save the application server current data transmission failure information.
  • the data sending failure information of the application server saved by the memory 63 further includes: a time when the UE is in a reachable state next time;
  • the processor 61 determines that the UE is in a reachable state
  • the processor is specifically configured to:
  • the UE is determined to be in a reachable state at the current time according to the current time and the time when the UE stored in the memory 63 is in the reachable state next time.
  • the processor 61 determines that the UE is in a reachable state
  • the processor is specifically configured to:
  • the transceiver 62 When it is determined that the transceiver 62 receives the UE initiates a mobility management request, determining that the UE is in a reachable state; or
  • the processor 61 determines that the UE is in a reachable state, and is further configured to:
  • the transceiver 62 is further configured to: after the processor 61 establishes a low bit rate bearer for the UE:
  • the UE reports a message with a low bit rate bearer feature to the application server.
  • the transceiver 62 is further configured to:
  • the reject message is used to instruct the serving gateway to delete the data sent by the cached application server to the UE.
  • the transceiver 62 reports to the application server in the following manner:
  • the processor 61, the transceiver 62, and the memory 63 are configured to notify the application server that the UE is in an unreachable state when the application server sends data to the UE, and then the application server stops sending data to the UE.
  • the problem that the application server cannot know that the UE is in an unreachable state and wastes data transmission due to repeated transmission of the data is avoided.
  • an embodiment of the present invention provides a data sending apparatus, including:
  • a storage 71 configured to save data sent to the user equipment UE
  • the transceiver 72 is configured to send the data saved by the memory 71 to the UE.
  • the mobility management entity is triggered to page the UE, and the message that the UE reported by the mobility management entity is in an unreachable state is received.
  • a message that the UE is in an unreachable state is used to notify the transceiver
  • the UE cannot receive the data sent by the transceiver 72. After determining that the UE is unreachable according to the received message that the UE is in an unreachable state, stop sending data to the UE.
  • the transceiver 72 is further configured to: after receiving the message that the UE is in an unreachable state reported by the mobility management entity,
  • the memory 71 is also used to:
  • the device of Figure 7 further includes:
  • the processor 73 is configured to determine, according to the time that the UE is in the reachable state, that the UE is in a reachable state, and notify the transceiver 72 to resend data to the UE.
  • the transceiver 72 is also used to:
  • the data is retransmitted to the UE according to the UE identity saved by the memory 71.
  • the transceiver 72 is further configured to:
  • the processor 73 is further configured to:
  • the transceiver 72 is also used to:
  • Data is retransmitted to the UE according to the adjusted time interval of the processor 73.
  • the transceiver 72 is further configured to:
  • the mobility management entity And receiving, by the mobility management entity, the message that the UE reported by the mobility management entity is in a reachable state, and the UE identifier; the message that the UE is in the reachable state is used to notify the transceiver 72.
  • the UE may receive data sent by the transceiver 72;
  • the transceiver 72 is further configured to:
  • the processor 73 is further configured to:
  • the UE determines that the UE has a low bit rate bearer characteristic, and extends a time interval for resending data to the UE.
  • the mobility management entity when the data is sent to the UE, the mobility management entity notifies the UE that the UE is in an unreachable state, and stops the UE. Sending data avoids the problem of waste of resources caused by repeated transmission of data because the application server cannot know that the UE is in an unreachable state in the prior art.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device. Having a series of operational steps performed on a computer or other programmable device to produce computer-implemented processing such that instructions executed on a computer or other programmable device are provided for implementing one or more processes and/or block diagrams in the flowchart. The steps of a function specified in a box or multiple boxes.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un appareil et un procédé de signalisation de message ainsi qu'un appareil et un procédé d'envoi de données, qui permettent d'éviter le problème du gaspillage de ressources dû à l'envoi répétitif de données par un serveur d'applications. Le procédé de la présente invention comprend les étapes suivantes : lorsqu'une entité de gestion de mobilité est déclenchée par un serveur d'applications pour appeler un équipement d'utilisateur (UE), l'entité de gestion de mobilité détermine que l'UE est dans un état inaccessible, l'UE étant une extrémité de réception pour les données envoyées par le serveur d'applications ; et l'entité de gestion de mobilité rapporte au serveur d'applications un message indiquant que l'UE est dans l'état inaccessible, le message indiquant que l'UE est dans l'état inaccessible servant à informer le serveur d'applications que l'UE ne peut pas recevoir les données envoyées par le serveur d'applications.
PCT/CN2014/095588 2014-12-30 2014-12-30 Appareil et procédé de signalisation de message et appareil et procédé d'envoi de données WO2016106561A1 (fr)

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