WO2018219218A1 - 一种ma配置方法、系统及设备 - Google Patents

一种ma配置方法、系统及设备 Download PDF

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Publication number
WO2018219218A1
WO2018219218A1 PCT/CN2018/088340 CN2018088340W WO2018219218A1 WO 2018219218 A1 WO2018219218 A1 WO 2018219218A1 CN 2018088340 W CN2018088340 W CN 2018088340W WO 2018219218 A1 WO2018219218 A1 WO 2018219218A1
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Prior art keywords
target cell
cell
multicast session
service
identifier
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PCT/CN2018/088340
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English (en)
French (fr)
Inventor
陈敏敏
薛妹
管鲍
余庆祥
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海能达通信股份有限公司
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Publication of WO2018219218A1 publication Critical patent/WO2018219218A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Definitions

  • the present invention relates to the field of data processing, and in particular, to a method, system and device for configuring a single frequency network area MA of a multimedia broadcast multicast service.
  • the evolved multimedia broadcast multicast service (English: promoted Multimedia Broadcast Multicast Service; abbreviated as: eMBMS) supports the provision of multicast broadcast networks in LTE systems, and will be applied to key tasks in public security, disaster relief, orbital and other scenarios. :mission critical; abbreviation: MC)
  • MC mission critical; abbreviation: MC
  • the combination of service and eMBMS can effectively improve the coverage of MC services, reduce terminal power consumption, and save time-frequency resources.
  • the cell may use a Multimedia Broadcast multicast service Single Frequency Network (MBSFN) transmission session.
  • MBSFN Multimedia Broadcast multicast service Single Frequency Network
  • MA media broadcast multicast service single-frequency network area
  • the main configuration method of the MA is to pre-establish the mapping relationship between the cell (English: cell) and the MA.
  • the MBSFN transmission session is adopted, the MBSFN transmission is performed in the cell in which the MA is configured by using the mapping relationship between the cell and the MA.
  • the cell that has not completed the MA configuration cannot participate in the MBSFN transmission session, and can only perform the MBSFN transmission session after the next configuration MA is completed.
  • the invention provides a method, a system and a device for configuring a single-frequency network area of a multimedia broadcast multicast service, which can dynamically configure the MA to meet the requirements of the MC service in real time.
  • the present invention provides a method for configuring a single frequency network area of a multimedia broadcast multicast service, where the method includes:
  • the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session;
  • the MA is configured for the target cell that is not configured with the MA, and the mapping relationship between the target cell and the MA is obtained.
  • the method before the mapping of the target cell and the MA to the base station to which the target cell belongs, the method further includes:
  • the MA is configured for the target cell, and the mapping relationship between the target cell and the MA is obtained.
  • the first identifier is a service area identifier SAI, and the method further includes:
  • the cell is determined to be the target cell of the multicast session.
  • the method before the receiving the multicast session message from the mobility management entity MME, the method further includes:
  • the M2 connection establishment request is received from the base station, where the M2 connection establishment request carries the mapping relationship between the SAI and the cell.
  • the method further includes:
  • the determining whether the cell in which the MA is configured in each of the base stations belongs to the target cell includes:
  • the cell list of each base station is compared with the target cell to determine whether the cell in which the MA is configured in each base station belongs to the target cell; wherein the cell list includes a cell in which the MA is configured in the corresponding base station.
  • the present invention also provides a method for configuring a single frequency network area of a multimedia broadcast multicast service, the method comprising:
  • the mobility management entity MME receives the MC service multicast session message from the mission-critical MC service server;
  • the MME sends a multicast session message to the multicast coordination entity (MCE) according to the MC service multicast session message, where the multicast session message carries a first identifier, where the first identifier is used to determine a multicast session.
  • MCE multicast coordination entity
  • the mapping relationship between the target cell and the MA is sent to the base station to which the target cell belongs.
  • the present invention also provides a multimedia broadcast multicast service single frequency network area configuration apparatus, the apparatus comprising:
  • a first receiving unit configured to receive a multicast session message from the mobility management entity MME, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session;
  • a first determining unit configured to determine, according to the first identifier, a target cell of the multicast session, whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA;
  • a first configuration unit configured to configure an MA for a target cell that is not configured by the first determining unit, to obtain a mapping relationship between the target cell and the MA
  • a sending unit configured to send a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the device further comprises:
  • a second determining unit configured to determine whether the number of MA sessions of the target cell of the configured MA determined by the first determining unit has reached a preset upper limit
  • a third determining unit configured to determine whether the remaining time-frequency resources of the target cell whose number of MA sessions determined by the second determining unit has reached a preset upper limit is sufficient to configure the MA
  • a second configuration unit configured to configure a target cell configuration MA of the MA for the remaining time-frequency resources determined by the third determining unit, to obtain a mapping relationship between the target cell and the MA.
  • the first identifier is a service area identifier SAI
  • the device further includes:
  • a querying unit configured to query, in a mapping relationship between the pre-stored SAI and the cell, a cell corresponding to the SAI carried in the multicast session message;
  • a determining unit configured to determine the cell as a target cell of a multicast session.
  • the device further comprises:
  • the second receiving unit is configured to receive an M2 connection establishment request from the base station in the M2 connection establishment process, where the M2 connection establishment request carries a mapping relationship between the SAI and the cell.
  • the present invention also provides a multimedia broadcast multicast service single frequency network area configuration apparatus, the apparatus comprising:
  • a receiving unit configured to receive an MC service multicast session message from a mission-critical MC service server
  • a sending unit configured to send a multicast session message to the multicast coordination entity MCE according to the MC service multicast session message, where the multicast session message carries a first identifier, where the first identifier is used to determine multicast
  • the mapping relationship between the target cell and the MA is sent to the base station to which the target cell belongs.
  • the present invention also provides a multimedia broadcast multicast service single frequency network area configuration system, the system comprising a multicast coordination entity MCE and a mobility management entity MME;
  • the MME is configured to receive an MC service multicast session message from the mission-critical MC service server, and send a multicast session message to the MCE according to the MC service multicast session message, where the multicast session message is Carrying a first identifier, where the first identifier is used to determine a target cell of a multicast session;
  • the MCE is configured to determine, according to the first identifier, a target cell of a multicast session, whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA, and configure a MA for a target cell that is not configured with an MA. Obtaining a mapping relationship between the target cell and the MA, and transmitting a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the MCE is further configured to determine whether the number of MA sessions of the target cell of the configured MA has reached a preset upper limit; and whether the remaining time-frequency resources of the target cell whose MA session number has reached the preset upper limit is sufficient to configure the MA; If the remaining time-frequency resources of the target cell are sufficient to configure the MA, the MA is configured for the target cell, and the mapping relationship between the target cell and the MA is obtained.
  • the first identifier is a service area identifier SAI;
  • the MCE is further configured to query, in a mapping relationship between the pre-stored SAI and the cell, a cell corresponding to the SAI carried in the multicast session message, and determine the cell as a target cell of the multicast session.
  • the MCE is further configured to receive an M2 connection establishment request from a base station in an M2 connection establishment process, where the M2 connection establishment request carries a mapping relationship between the SAI and the cell.
  • the MCE is further configured to determine, according to the first identifier, a target cell of the multicast session, whether the cell in which the MA is configured in each base station belongs to the target cell, and to the target cell that does not belong to the target cell.
  • the base station corresponding to the cell of the MA is configured to send a deletion request to delete the correspondence between the cell and the MA.
  • the MCE is specifically configured to compare a cell list of each base station with the target cell, to determine whether a cell in which the MA is configured in each base station belongs to the target cell, where the cell list includes A cell of the MA is configured in the base station.
  • the present invention also provides a multimedia broadcast multicast service single frequency network area configuration device, the device comprising a memory and a processor;
  • the memory is configured to store program code and transmit the program code to the processor
  • the processor is configured to: according to an instruction in the program code, perform the following steps: receiving a multicast session message from a mobility management entity MME, where the multicast session message carries a first identifier, where the first identifier is used by Determining a target cell of the multicast session. After determining the target cell of the multicast session according to the first identifier, determining whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA; The MA obtains a mapping relationship between the target cell and the MA, and sends a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the present invention also provides a computer readable storage medium having instructions stored therein that, when executed on a terminal device, cause the terminal device to perform the multimedia broadcast multicast service list described above Frequency network area configuration method.
  • the MCE receives the multicast session message from the MME, and determines the target cell of the multicast session according to the first identifier carried in the multicast session message.
  • the MCE determines whether the target cell is configured with the MA, and configures the MA for the target cell where the MA is not configured, and sends the mapping relationship between the target cell and the MA to the base station to which the target cell belongs.
  • the MCE after receiving the multicast session message, the MCE dynamically configures the MA to meet the requirements of the multicast session in real time.
  • FIG. 1 is a signaling interaction diagram of a method for configuring a single frequency network area of a multimedia broadcast multicast service according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of another method for configuring a single frequency network area of a multimedia broadcast multicast service according to an embodiment of the present invention
  • FIG. 3 is a signaling interaction diagram of an MA configuration method based on an MC service according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a device for configuring a single frequency network area of a multimedia broadcast multicast service according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of another apparatus for configuring a single frequency network area of a multimedia broadcast multicast service according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a single frequency network area configuration system for a multimedia broadcast multicast service according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a single frequency network area configuration of a multimedia broadcast multicast service according to an embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of another single-frequency network area configuration of a multimedia broadcast multicast service according to an embodiment of the present invention.
  • the cell that uses the MBSFN transmission session needs to be configured with an MA.
  • the MA is statically configured for the cell, which cannot meet the real-time requirements of the MC service.
  • the present invention provides a method for configuring a single-frequency network area of a multimedia broadcast multicast service. Specifically, after receiving a multicast session message from the mobility management entity MME, the first identifier carried in the multicast session message is The target cell of the multicast session is determined, and the MA is configured for the target cell that has not been configured with the MA, and the mapping relationship between the target cell and the MA is finally sent to the base station to which the target cell belongs, so that the function of dynamically configuring the MA can be satisfied, and the MC service can be satisfied.
  • Real-time demand is
  • the embodiment of the present invention provides a method for configuring a single frequency network area of a multimedia broadcast multicast service.
  • FIG. 1 the signaling of a single frequency network area configuration method for a multimedia broadcast multicast service according to an embodiment of the present invention is provided.
  • the interaction diagram, the method specifically includes:
  • the MCE receives the multicast session message from the MME, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session.
  • the mobility management entity (English: Mobility Management Entity; MME) parses the multicast session message of the task, and obtains the MBSFN for the task.
  • MME Mobility Management Entity
  • the cell that transmits the session is encapsulated into a multicast session message conforming to the transport protocol, and then sent to the multicast coordination entity (English: Multi-cell/multicast Coordination Entity; abbreviation: MCE).
  • MCE Multi-cell/multicast Coordination Entity
  • the multicast session message sent by the MCE carries the first identifier, and the first identifier can be used to determine the target cell of the current multicast session, that is, the cell that performs the MBSFN transmission session.
  • the first identifier may be a service area identifier (English: Service Area ID; abbreviation: SAI).
  • SAI Service Area ID
  • the MCE pre-stores the mapping relationship between the SAI and the cell. Therefore, after the MCE obtains the SAI by parsing the multicast session message, the MCE obtains a mapping relationship between the SAI and the cell, and obtains a cell that has a mapping relationship with the SAI.
  • the cell is determined to be the target cell of the multicast session. It should be noted that the target cell may be one cell or multiple cells.
  • the MCE After determining, by the MCE, the target cell of the multicast session, the MCE determines whether the target cell is configured with the multimedia broadcast multicast service single frequency network area MA.
  • the MCE determines whether the target cell is configured with the MA.
  • the MCE receives the M2 connection establishment request from the base station (English: M2 Setup Request), where the M2 connection establishment request carries the mapping relationship between the SAI and the cell. Then, the MCE returns an M2 connection establishment response (M2 Setup Response) to the base station to complete the establishment of the M2 connection.
  • M2 connection establishment response carries the mapping relationship between the cell and the MA, and completes the static configuration of the MA.
  • a method for determining whether the target cell is configured with the MA is to query whether the MA configured for the target cell exists in the mapping relationship between the cell and the MA configured by using the static configuration mode. If yes, the target cell is configured to have an MA; otherwise, the target cell is not configured with an MA, and the MBSFN transmission session cannot be performed.
  • the MCE configures the MA for the target cell where the MA is not configured, and obtains a mapping relationship between the target cell and the MA.
  • the MCE configures the MA for the target cell where the MA is not configured, and obtains the mapping relationship between the target cell and the MA.
  • an MA may be created for the target cell in which the MA is not configured, and a mapping relationship between the target cell and the MA may be established.
  • an MA that already exists and has remaining time-frequency resources may be configured for the target cell that is not configured with the MA, and a mapping relationship between the target cell and the MA is established.
  • the MCE sends the mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the MCEs after obtaining the mapping relationship between the target cells and the MA, respectively send the mappings to the base stations to which the target cells belong, so that the base station uses the mapping relationship between the dynamically configured target cells and the MA for MBSFN transmission. Conversation.
  • each base station after receiving the mapping relationship between the target cell and the MA, each base station returns an MCE Configuration Update Acknowledge to the MCE to notify that the MCE mapping relationship is successfully sent.
  • the MCE after receiving the MCE Configuration Update Acknowledge from the base station, the MCE sends an MBMS Session Start Response to the MME to notify the MME that the MA is successfully configured.
  • the MCE determines the target cell of the multicast session according to the first identifier carried in the multicast session message. The MCE determines whether the target cell is configured with the MA, and configures the MA for the target cell where the MA is not configured, and sends the mapping relationship between the target cell and the MA to the base station to which the target cell belongs. In the embodiment of the present invention, after receiving the multicast session message, the MCE dynamically configures the MA to meet the requirements of the multicast session in real time.
  • the embodiment of the present invention can dynamically configure the MA to meet the real-time requirement of the service.
  • the embodiment of the present invention provides a method for configuring a single-frequency network area of a multimedia broadcast multicast service, which can dynamically configure an MA for a cell that is not configured with an MA, or dynamically configure a MA for a cell that is configured with an MA but cannot perform an MBSFN transmission session.
  • FIG. 2 is a flowchart of another method for configuring a single frequency network area of a multimedia broadcast multicast service according to an embodiment of the present invention, where the method specifically includes:
  • the MCE receives the multicast session message from the MME, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session.
  • the MCE After determining, by the MCE, the target cell of the multicast session, the MCE determines whether the target cell is configured with the multimedia broadcast multicast service single frequency network area MA.
  • the MCE configures the MA for the target cell where the MA is not configured, and obtains a mapping relationship between the target cell and the MA.
  • S204 Determine whether the number of MA sessions of the target cell of the configured MA has reached a preset upper limit.
  • the number of MA sessions of the target cell of the configured MA is upper limit. If the current number of MA sessions has reached the preset upper limit, the target cell cannot perform the MBSFN transmission session.
  • the MCE also needs to determine whether the number of MA sessions of the target cell has reached a preset upper limit. If the upper limit is not reached, it is determined that the target cell can perform an MBSFN transmission session.
  • S205 Determine whether the remaining time-frequency resources of the target cell whose MA session number has reached a preset upper limit is sufficient to configure the MA.
  • the configuration of the MA requires sufficient time-frequency resources. Therefore, for the target cell in which the number of MA sessions has reached the preset upper limit, the embodiment of the present invention needs to determine whether the remaining time-frequency resources of the target cell are sufficient to configure the MA.
  • the MA is configured for the target cell, and the mapping relationship between the target cell and the MA is obtained.
  • an MA may be created for the target cell, and a mapping relationship between the target cell and the MA may be established.
  • an MA that already exists and has remaining time-frequency resources may be configured for the target cell, and a mapping relationship between the target cell and the MA may be established.
  • the MCE sends the mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the MCE sends the mapping relationship between each target cell and the MA to the base station to which each target cell belongs, so that the base station can perform the MBSFN transmission session by using the mapping relationship between the dynamically configured target cell and the MA.
  • the method for configuring the single-frequency network area of the multimedia broadcast multicast service provided by the embodiment of the present invention can not only dynamically configure the MA for the cell that is not configured with the MA, but also dynamically configure the MA for the cell that is configured with the MA but cannot perform the MBSFN transmission session.
  • the method for dynamically configuring an MA provided by the embodiment of the present invention can meet the real-time requirement of a multicast session.
  • the MA includes cell1, cell2, cell3, and cell4.
  • the multicast session message only needs to be broadcasted in cell1 and cell2, and since cell3 and cell4 belong to one MA, this causes The multicast session message is also broadcast in cell3 and cell4, causing waste of radio resources.
  • the embodiment of the present invention further provides a method for deleting a configured MA.
  • the MCE receives a multicast session message from the MME, and determines a target of the multicast session according to the first identifier carried in the multicast session message. And determining, by the cell, whether the cell in which the MA is configured in the respective base station belongs to the target cell; and sending a deletion request to the base station corresponding to the cell of the MA that does not belong to the target cell, to delete the correspondence between the cell and the MA.
  • the MCE stores a cell list in which the MA is configured in the base station with which it communicates, and compares the cell list of each base station with the target cell to determine whether there is a cell that does not belong to the target cell.
  • the MCE deletes the locally configured MA of the cell, that is, deletes the mapping relationship between the cell and the MA.
  • the MCE sends a deletion request to the corresponding base station of the cell to instruct the base station to delete the stored cell and the MA. The relationship is mapped to ensure that the multicast session message from the MME is not broadcast in the cell, thereby avoiding waste of radio resources.
  • Mission critical (English: mission critical; abbreviation: MC) business, mainly used in public security, disaster relief, rail transit and other scenarios, including: mission critical push to talk (English: mission critical push to talk; abbreviation: MCPTT), mission-critical Video (English: mission critical video; abbreviation: MCVideo), mission-critical data (English: mission critical data; abbreviation: MCData).
  • the embodiment of the present invention further provides an MA configuration method based on the MC service.
  • FIG. 3 it is a signaling interaction diagram of an MA configuration method based on the MC service according to an embodiment of the present invention. The method specifically includes:
  • the MME receives the MC service multicast session message from the MC service server.
  • the MC service server When the MC service needs to use the MBSFN transmission session, the MC service server sends an MC service multicast session message. After receiving the MC service multicast session message, the MME obtains the MC service multicast session message and obtains the MC. The cell that needs to perform an MBSFN transmission session.
  • the MC service server decides to use the MBSFN transmission session.
  • the MC service server sends an MC service multicast session message, and the MME receives the MC service. Multicast session message.
  • the embodiment of the present invention can dynamically configure the MA for the cell that is not configured with the MA, so that the MBSFN transmission session can be smoothly performed.
  • the MME sends a multicast session message to the MCE according to the MC service multicast session message, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session.
  • the MME After the MME obtains the cell that needs to perform the MBSFN transmission session, the MME generates a multicast session message carrying the first identifier, and sends the multicast session message to the MCE to notify the MCE.
  • the MME There is currently an MC service that uses an MBSFN transport session.
  • the MCE After determining, by the MCE, the target cell of the multicast session, the MCE determines whether the target cell is configured with the multimedia broadcast multicast service single frequency network area MA.
  • the MCE configures the MA for the target cell that is not configured with the MA, and obtains a mapping relationship between the target cell and the MA.
  • S305 The MCE determines whether the number of MA sessions of the target cell of the configured MA has reached a preset upper limit.
  • the MCE determines whether the remaining time-frequency resources of the target cell whose MA session number has reached the preset upper limit is sufficient to configure the MA.
  • the MCE sends the mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the MA configuration method based on the MC service provided by the embodiment of the present invention can meet the real-time requirement of the MC service, and dynamically configure the MA for the cell that is not configured with the MA, so that the MC service smoothly performs the MBSFN transmission session.
  • the embodiment of the present invention further provides a multimedia broadcast multicast service single frequency network area configuration apparatus.
  • a multimedia broadcast multicast service single frequency network area configuration apparatus Referring to FIG. 4, the structure of a multimedia broadcast multicast service single frequency network area configuration apparatus according to an embodiment of the present invention is provided.
  • the device may specifically include:
  • the first receiving unit 401 is configured to receive a multicast session message from the mobility management entity MME, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session;
  • the first determining unit 402 is configured to determine, according to the first identifier, a target cell of the multicast session, and determine whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA;
  • the first configuration unit 403 is configured to configure a MA for the target cell that is not configured by the first determining unit, and obtain a mapping relationship between the target cell and the MA.
  • the sending unit 404 is configured to send a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the embodiment of the present invention further provides a multimedia broadcast multicast service single frequency network area configuration apparatus.
  • FIG. 5 is a schematic structural diagram of another apparatus for configuring a single-frequency network area of a multimedia broadcast multicast service according to an embodiment of the present invention.
  • the apparatus may include:
  • the second determining unit 501 is configured to determine whether the number of MA sessions of the target cell of the configured MA determined by the first determining unit has reached a preset upper limit
  • the third determining unit 502 is configured to determine whether the remaining time-frequency resources of the target cell whose number of MA sessions determined by the second determining unit has reached a preset upper limit is sufficient to configure the MA;
  • the second configuration unit 503 is configured to configure a target cell configuration MA of the MA for the remaining time-frequency resources determined by the third determining unit, and obtain a mapping relationship between the target cell and the MA.
  • the first identifier is a service area identifier SAI
  • the device further includes:
  • a querying unit configured to query, in a mapping relationship between the pre-stored SAI and the cell, a cell corresponding to the SAI carried in the multicast session message;
  • a determining unit configured to determine the cell as a target cell of a multicast session.
  • the apparatus may further include:
  • the second receiving unit is configured to receive an M2 connection establishment request from the base station in the M2 connection establishment process, where the M2 connection establishment request carries a mapping relationship between the SAI and the cell.
  • the embodiment of the present invention further provides a device for configuring a single-frequency network area of a multimedia broadcast multicast service.
  • the device includes:
  • a receiving unit configured to receive an MC service multicast session message from a mission-critical MC service server
  • a sending unit configured to send a multicast session message to the multicast coordination entity MCE according to the MC service multicast session message, where the multicast session message carries a first identifier, where the first identifier is used to determine multicast
  • the mapping relationship between the target cell and the MA is sent to the base station to which the target cell belongs.
  • the embodiment of the present invention further provides a multimedia broadcast multicast service single frequency network area configuration system.
  • FIG. 6 it is an architecture diagram of a multimedia broadcast multicast service single frequency network area configuration system according to an embodiment of the present invention.
  • the multimedia broadcast multicast service single frequency network area MA configuration system 600 includes a multicast coordination entity MCE 610 and a mobility management entity MME 620;
  • the MME 610 is configured to receive an MC service multicast session message from the mission-critical MC service server, and send a multicast session message to the MCE according to the MC service multicast session message, where the multicast session message is sent. Carrying a first identifier, where the first identifier is used to determine a target cell of a multicast session;
  • the MCE 620 is configured to determine, according to the first identifier, a target cell of the multicast session, whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA, and configure the MA for the target cell where the MA is not configured. Obtaining a mapping relationship between the target cell and the MA, and transmitting a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the MCE 620 is further configured to determine whether the number of MA sessions of the target cell of the configured MA has reached a preset upper limit; and determine whether the remaining time-frequency resources of the target cell whose MA session number has reached the preset upper limit is sufficient to configure the MA; If the remaining time-frequency resources of the target cell are sufficient to configure the MA, the MA is configured for the target cell, and the mapping relationship between the target cell and the MA is obtained.
  • the first identifier is a service area identifier SAI;
  • the MCE 620 is further configured to query, in a mapping relationship between the pre-stored SAI and the cell, a cell corresponding to the SAI carried in the multicast session message, and determine the cell as a target cell of the multicast session.
  • the MCE 620 is further configured to receive an M2 connection establishment request from the base station in the M2 connection establishment process, where the M2 connection establishment request carries a mapping relationship between the SAI and the cell.
  • the MCE is further configured to determine, according to the first identifier, a target cell of the multicast session, and determine whether a cell in which the MA is configured in each base station belongs to the target cell;
  • the base station corresponding to the cell of the configured cell of the target cell sends a deletion request to delete the correspondence between the cell and the MA.
  • the MCE is specifically configured to compare a cell list of each base station with the target cell, to determine whether a cell in which the MA is configured in each base station belongs to the target cell;
  • the cell list includes cells corresponding to MAs in the corresponding base station.
  • the MME after receiving the MC service multicast session message, the MME sends a multicast session message carrying the first identifier to the MCE.
  • the MCE determines the target cell of the multicast session according to the first identifier, the MA is configured for the target cell that is not configured with the MA, and the mapping relationship between the target cell and the MA is sent to the base station to which the target cell belongs, and the MA is dynamically configured to meet the MC service. Real-time demand.
  • the present invention also provides a structure diagram of a single-frequency network area configuration device for a multimedia broadcast multicast service, as shown in FIG. 7, wherein the device includes at least one memory 701 and at least one processor 702, and at least one network.
  • the interface 703; the memory 701, the processor 702, and the network interface 703 are connected to each other through a bus.
  • the memory 701 is for storing program code and transmitting the program code to the processor 702.
  • the processor 702 is configured to: according to the instruction in the program code, perform the following steps: receiving a multicast session message from a mobility management entity MME, where the multicast session message carries a first identifier, where the first identifier is used for Determining a target cell of the multicast session. After determining the target cell of the multicast session according to the first identifier, determining whether the target cell is configured with a multimedia broadcast multicast service single frequency network area MA; The MA obtains a mapping relationship between the target cell and the MA, and sends a mapping relationship between the target cell and the MA to a base station to which the target cell belongs.
  • the processor 702 is further configured to determine whether the number of MA sessions of the target cell of the configured MA has reached a preset upper limit, and determine whether the remaining time-frequency resources of the target cell whose MA session number has reached the preset upper limit is sufficient to configure the MA. If the remaining time-frequency resources of the target cell are sufficient to configure the MA, the MA is configured for the target cell, and the mapping relationship between the target cell and the MA is obtained.
  • the first identifier is a service area identifier (SAI)
  • SAI service area identifier
  • the processor 702 is further configured to query, in a mapping relationship between the pre-stored SAI and the cell, a cell corresponding to the SAI carried in the multicast session message; The cell is determined to be the target cell of the multicast session.
  • the processor 702 is further configured to receive an M2 connection establishment request from the base station in the M2 connection establishment process, where the M2 connection establishment request carries a mapping relationship between the SAI and the cell.
  • the present invention further provides a structure diagram of another multimedia broadcast multicast service single frequency network area configuration device, as shown in FIG. 8, wherein the device includes at least one memory 801 and at least one processor 802, and further includes at least one The network interface 803; the memory 801, the processor 802, and the network interface 803 are connected to each other through a bus.
  • the memory 801 is for storing program code and transmitting the program code to the processor 802.
  • the processor 802 is configured to: according to the instruction in the program code, perform the steps of: receiving an MC service multicast session message from a mission-critical MC service server; and sending, according to the MC service multicast session message, to a multicast coordination entity MCE a multicast session message, where the multicast session message carries a first identifier, where the first identifier is used to determine a target cell of the multicast session, so that the MCE is configured as a target cell with no MA configured, The mapping relationship between the target cell and the MA is sent to the base station to which the target cell belongs.
  • the present invention also provides a computer readable storage medium having instructions stored therein that, when executed on a terminal device, cause the terminal device to perform the multimedia broadcast multicast service list described above Frequency network area configuration method.
  • the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.

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Abstract

本发明公开一种多媒体广播多播业务单频网络区域配置方法、系统及设备，所述方法包括：MCE接收来自MME的多播会话消息后，根据多播会话消息携带的第一标识确定多播会话的目标小区。MCE判断目标小区是否配置有MA，并为未配置MA的目标小区配置MA，将目标小区与MA的映射关系发送至该目标小区所属的基站。本发明中MCE在接收到多播会话消息后，动态配置MA，实时满足多播会话的需求。

Description

一种MA配置方法、系统及设备
本申请要求于2017年05月27日提交中国专利局、申请号为201710392437.8、发明名称为“一种MA配置方法、系统及设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及数据处理领域，具体涉及一种多媒体广播多播业务单频网络区域MA配置方法、系统及设备。
背景技术
演进式的多媒体广播多播业务(英文：evolved Multimedia Broadcast Multicast Service；缩写：eMBMS)支持在LTE系统中提供多播广播网络，将应用于公共安全、抢险救灾、轨交等场景的关键任务(英文：mission critical；缩写：MC)业务与eMBMS结合，能够有效提高MC业务的覆盖范围、降低终端功耗、节约时频资源等。
实际应用中，将eMBMS与MC业务结合后，小区可以采用多媒体广播多播业务单频网络(英文：Multimedia Broadcast multicast service Single Frequency Network；缩写：MBSFN)传输会话。但是，由于MBSFN传输只在配置有媒体广播多播业务单频网络区域(英文：MBSFN Area；缩写：MA)的小区中进行，所以，为了保证小区中可以正常进行MBSFN传输，需要为小区配置MA。
目前，对MA的配置主要采用的方式为：预先建立小区(英文：cell)与MA的映射关系。当采用MBSFN传输会话时，利用cell与MA的映射关系，在配置有MA的小区中进行MBSFN传输。目前，对于尚未完成MA配置的小区是不能参与本次MBSFN传输会话，只能等待下一次配置MA完成后，才能够进行MBSFN传输会话。
但是，由于MC业务通常对实时性的要求较高，显然，目前的配置MA的方式并不能满足MC业务的实时性需求。
发明内容
本发明提供了一种多媒体广播多播业务单频网络区域配置方法、系统及设备，能够动态配置MA，实时满足MC业务的需求。
本发明权利要求提供了一种多媒体广播多播业务单频网络区域配置方法，所述方法包括：
接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；
为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；
将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
优选地，所述将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站之前，还包括：
判断已配置MA的目标小区的MA会话数量是否已达预设上限；
判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；
如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
优选地，所述第一标识为服务区域标识SAI，所述方法还包括：
在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区；
将所述小区确定为多播会话的目标小区。
优选地，所述接收来自移动管理实体MME的多播会话消息之前，还包括：
在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
优选地，所述方法还包括：
根据所述第一标识确定多播会话的目标小区后，判断各个基站中已配置MA的小区是否属于所述目标小区；
向不属于所述目标小区的已配置MA的小区对应的基站发送删除请求，以删除所述小区与MA的对应关系。
优选地，所述判断各个基站中已配置MA的小区是否属于所述目标小区，包括：
将各个基站的小区列表分别与所述目标小区进行比较，以判断各个基站中已配置MA的小区是否属于所述目标小区；其中，所述小区列表包括对应基站中已配置MA的小区。
本发明还提供了一种多媒体广播多播业务单频网络区域配置方法，所述方法包括：
移动管理实体MME接收来自关键任务MC业务服务器的MC业务多播会话消息；
所述MME根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明还提供了一种多媒体广播多播业务单频网络区域配置装置，所述装置包括：
第一接收单元，用于接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
第一判断单元，用于根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；
第一配置单元，用于为通过所述第一判断单元确定的未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；
发送单元，用于将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
优选地，所述装置还包括：
第二判断单元，用于判断通过所述第一判断单元确定的已配置MA的目标小区的MA会话数量是否已达预设上限；
第三判断单元，用于判断通过所述第二判断单元确定的MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；
第二配置单元，用于为通过所述第三判断单元确定的剩余时频资源足够配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系。
优选地，所述第一标识为服务区域标识SAI，所述装置还包括：
查询单元，用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区；
确定单元，用于将所述小区确定为多播会话的目标小区。
优选地，所述装置还包括：
第二接收单元，用于在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
本发明还提供了一种多媒体广播多播业务单频网络区域配置装置，所述装置包括：
接收单元，用于接收来自关键任务MC业务服务器的MC业务多播会话消息；
发送单元，用于根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明还提供了一种多媒体广播多播业务单频网络区域配置系统，所述系统包括多播协调实体MCE和移动管理实体MME；
所述MME，用于接收来自关键任务MC业务服务器的MC业务多播会话消息，并根据所述MC业务多播会话消息，向所述MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
所述MCE，用于根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
优选地，所述MCE，还用于判断已配置MA的目标小区的MA会话数量是否已达预设上限；判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
优选地，所述第一标识为服务区域标识SAI；
所述MCE，还用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区，并将所述小区确定为多播会话的目标小区。
优选地，所述MCE，还用于在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
优选地，所述MCE，还用于根据所述第一标识确定多播会话的目标小区后，判断各个基站中已配置MA的小区是否属于所述目标小区；向不属于所述目标小区的已配置MA的小区对应的基站发送删除请求，以删除所述小区与MA的对应关系。
优选地，所述MCE，具体用于将各个基站的小区列表分别与所述目标小区进行比较，以判断各个基站中已配置MA的小区是否属于所述目标小区；其中，所述小区列表包括对应基站中已配置MA的小区。
本发明还提供了一种多媒体广播多播业务单频网络区域配置设备，所述设备包括存储器和处理器；
所述存储器，用于存储程序代码，并将所述程序代码传输给所述处理器；
所述处理器用于根据所述程序代码中的指令，执行以下步骤：接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标 小区所属的基站。
本发明还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在终端设备上运行时，使得所述终端设备执行上述的多媒体广播多播业务单频网络区域配置方法。
本发明提供的多媒体广播多播业务单频网络区域配置方法中，MCE接收来自MME的多播会话消息后，根据多播会话消息携带的第一标识确定多播会话的目标小区。MCE判断目标小区是否配置有MA，并为未配置MA的目标小区配置MA，将目标小区与MA的映射关系发送至该目标小区所属的基站。本发明实施例中MCE在接收到多播会话消息后，动态的配置MA，实时满足多播会话的需求。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置方法的信令交互图；
图2为本发明实施例提供的另一种多媒体广播多播业务单频网络区域配置方法的流程图；
图3为本发明实施例提供的一种基于MC业务的MA配置方法的信令交互图；
图4为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置装置的结构示意图；
图5为本发明实施例提供的另一种多媒体广播多播业务单频网络区域配置装置的结构示意图；
图6为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置系统的架构图；
图7为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置 的结构示意图；
图8为本发明实施例提供的另一种多媒体广播多播业务单频网络区域配置的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
由于采用MBSFN传输会话的小区需要配置有MA，而目前为小区静态配置MA的方式，不能满足MC业务的实时性需求。
基于此，本发明提供了一种多媒体广播多播业务单频网络区域配置方法，具体的，在接收到来自移动管理实体MME的多播会话消息后，根据多播会话消息中携带的第一标识，确定多播会话的目标小区，并为尚未配置MA的目标小区配置MA，最终将目标小区与MA的映射关系发送至该目标小区所属的基站，实现动态配置MA的功能，能够满足MC业务的实时性需求。
为此，本发明实施例提供了一种多媒体广播多播业务单频网络区域配置方法，参考图1，为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置方法的信令交互图，所述方法具体可以包括：
S101：MCE接收来自MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区。
本发明实施例中，移动管理实体(英文：Mobility Management Entity；缩写：MME)在接收到任一业务的多播会话消息后，对该任务的多播会话消息进行解析，得到该任务需要进行MBSFN传输会话的小区，并封装成符合传输协议的多播会话消息后，发送至多播协调实体(英文：Multi-cell/multicast Coordination Entity；缩写：MCE)。
其中，MCE接收的来自MME的多播会话消息中携带第一标识，利用该第一标识能够确定本次多播会话的目标小区，即进行MBSFN传输会话的小 区。
一种实现方式中，该第一标识可以为服务区域标识(英文：Service Area ID；缩写：SAI)。由于MCE中预先存储有SAI与小区的映射关系，所以，MCE通过解析多播会话消息得到SAI后，通过查询预先存储的SAI与小区的映射关系，得到与该SAI具有映射关系的小区，并将该小区确定为多播会话的目标小区。值得注意的是，目标小区可以是一个小区，也可以是多个小区。
S102：MCE根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA。
本发明实施例中，MCE在根据第一标识确定多播会话的目标小区后，判断目标小区是否配置有MA。
实际应用中，在M2连接建立过程中，MCE接收来自基站的M2连接建立请求(英文：M2 Setup Request)，其中，M2连接建立请求中携带有SAI与小区的映射关系。然后，MCE向基站返回M2连接建立响应(英文：M2 Setup Response)完成M2连接的建立，其中，M2连接建立响应中携带有小区与MA的映射关系，完成MA的静态配置。
一种判断目标小区是否配置有MA的方式为，查询利用上述静态配置方式配置的小区与MA的映射关系中是否存在为目标小区配置的MA。如果存在，则认为该目标小区配置有MA；否则，认为该目标小区未配置MA，无法进行MBSFN传输会话。
S103：MCE为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系。
本发明实施例中，MCE在确定未配置MA的目标小区后，为未配置MA的目标小区配置MA，并得到该目标小区与该MA的映射关系。
一种实施方式中，可以为该未配置MA的目标小区新建一个MA，并建立该目标小区与该MA的映射关系。
另一种实施方式中，可以为该未配置MA的目标小区配置一个已存在的且尚有剩余时频资源的MA，并建立该目标小区与该MA的映射关系。
S104：MCE将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明实施例中，MCE在得到各个目标小区与MA的映射关系后，分别将各个映射关系发送至各个目标小区所属的基站，以便基站后续利用动态配置的目标小区与MA的映射关系进行MBSFN传输会话。
实际应用中，各个基站在接收到目标小区与MA的映射关系后，向MCE返回MCE Configuration Update Acknowledge，以通知MCE映射关系发送成功。另外，MCE在收到来自基站的MCE Configuration Update Acknowledge后，向MME发送MBMS Session Start Response，以通知MME动态配置MA成功。
本发明实施例提供的多媒体广播多播业务单频网络区域配置方法中，MCE接收来自MME的多播会话消息后，根据多播会话消息携带的第一标识确定多播会话的目标小区。MCE判断目标小区是否配置有MA，并为未配置MA的目标小区配置MA，将目标小区与MA的映射关系发送至该目标小区所属的基站。本发明实施例中MCE在接收到多播会话消息后，动态的配置MA，实时满足多播会话的需求。
以上针对未配置MA的小区，本发明实施例能够实现动态配置MA，满足业务的实时性要求。
事实上，即使是配置有MA的小区，也存在无法进行MBSFN传输会话的情况。本发明实施例提供了一种多媒体广播多播业务单频网络区域配置方法，既能够为未配置MA的小区动态配置MA，也能够为配置有MA但是无法进行MBSFN传输会话的小区动态配置MA。
参考图2，为本发明实施例提供的另一种多媒体广播多播业务单频网络区域配置方法的流程图，所述方法具体包括：
S201：MCE接收来自MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区。
S202：MCE根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA。
S203：MCE为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系。
上述S201-S203的实现过程与S101-S103相同，在此不再赘述，请参照理解。
S204：判断已配置MA的目标小区的MA会话数量是否已达预设上限。
由于已配置MA的目标小区的MA会话数量是有上限的，如果当前的MA会话数量已经达到预设上限，则该目标小区不能进行MBSFN传输会话。
所以，本发明实施例中，对于已配置MA的目标小区，MCE还需要判断该目标小区的MA会话数量是否已达预设上限。如果未达到上限，则确定该目标小区可以进行MBSFN传输会话。
S205：判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA。
由于配置MA需要足够的时频资源，所以，对于MA会话数量已达到预设上限的目标小区，本发明实施例还需要判断该目标小区的剩余时频资源是否足够配置MA。
S206：如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
如果目标小区剩余时频资源足够配置MA，则为该目标小区配置MA，得到该目标小区与该MA的映射关系。
一种实现方式中，可以为该目标小区新建一个MA，并建立该目标小区与该MA的映射关系。
另一种实现方式中，可以为该目标小区配置一个已存在的且尚有剩余时频资源的MA，并建该目标小区与该MA的映射关系。
S207：MCE将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明实施例中，MCE分别将各个目标小区与MA的映射关系发送至各个目标小区所属的基站，以便基站能够利用动态配置的目标小区与MA的映射关系，进行MBSFN传输会话。
本发明实施例提供的多媒体广播多播业务单频网络区域配置方法，不仅能够为未配置MA的小区动态配置MA，还能够为配置有MA但无法进行MBSFN传输会话的小区动态配置MA，可见，本发明实施例提供的动态配置MA的方法能够满足多播会话的实时性要求。
另外，对于已完成MA配置的小区cell(例如MA包括cell1、cell2、cell3 和cell4)，如果多播会话消息仅需要在cell1和cell2内广播传输，而由于cell3和cell4同属于一个MA，这导致该多播会话消息也会在cell3和cell4内广播，造成无线资源的浪费。
为此，本发明实施例还提供了一种已配置MA的删除方法，具体的，在MCE接收来自MME的多播会话消息，根据该多播会话消息携带的第一标识确定多播会话的目标小区，并判断各个基站中已配置MA的小区是否属于目标小区；向不属于目标小区的已配置MA的小区对应的基站发送删除请求，以删除该小区与MA的对应关系。
实际应用中，MCE中存储有与其通信的基站中已配置MA的小区列表，将各个基站的小区列表分别与目标小区进行比较，以判断是否存在不属于目标小区的小区。MCE将本地存储的该小区已配置的MA删除，即删除该小区与MA的映射关系，另外，MCE还向该小区对应的基站发送删除请求，以指示该基站删除其存储的该小区与MA的映射关系，以保证来自MME的该多播会话消息不会在该小区广播，避免了无线资源的浪费。
关键任务(英文：mission critical；缩写：MC)业务，主要应用于公共安全、抢险救灾、轨交等场景，包括：关键任务按键通话(英文：mission critical push to talk；缩写：MCPTT)、关键任务视频(英文：mission critical video；缩写：MCVideo)、关键任务数据(英文：mission critical data；缩写：MCData)。
以下，本发明实施例还提供了一种基于MC业务的MA配置方法，参考图3，为本发明实施例提供的一种基于MC业务的MA配置方法的信令交互图。所述方法具体包括：
S301：MME接收到来自MC业务服务器的MC业务多播会话消息。
当MC业务存在采用MBSFN传输会话的需求时，MC业务服务器发出MC业务多播会话消息，MME接收到该MC业务多播会话消息后，对该MC业务多播会话消息进行解析后，获取该MC业务需要进行MBSFN传输会话的小区。
一种应用场景中，当某个小区内接收到同一会话的UE数量突然增多时，MC业务服务器决定采用MBSFN传输会话，此时MC业务服务器发出MC业 务多播会话消息，MME接收到该MC业务多播会话消息。这种情况下，为了满足MC业务的实时性需求，本发明实施例能够为未配置MA的小区动态配置MA，使得MBSFN传输会话能够顺利进行。
S302：MME根据MC业务多播会话消息，向所述MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区。
实际应用中，MME根据MC业务多播会话消息获取到MC业务需要进行MBSFN传输会话的小区后，生成携带第一标识的多播会话消息，并将该多播会话消息发送至MCE，以通知MCE当前存在采用MBSFN传输会话的MC业务。
S303：MCE根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA。
S304：MCE为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系。
S305：MCE判断已配置MA的目标小区的MA会话数量是否已达预设上限。
S306：MCE判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA。
S307：如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
S308：MCE将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
上述S303-S308的实现过程与S202-S207相同，在此不再赘述，请参照理解。
综上，本发明实施例提供的基于MC业务的MA配置方法，能够满足MC业务的实时性要求，为未配置MA的小区动态配置MA，使得MC业务顺利进行MBSFN传输会话。
相应的，本发明实施例还提供了一种多媒体广播多播业务单频网络区域 配置装置，参考图4，为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置装置的结构示意图，所述装置具体可以包括：
第一接收单元401，用于接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
第一判断单元402，用于根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；
第一配置单元403，用于为通过所述第一判断单元确定的未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；
发送单元404，用于将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
另外，为了实现为配置有MA但是无法进行MBSFN传输会话的小区动态配置MA的目的，本发明实施例还提供了一种多媒体广播多播业务单频网络区域配置装置。
参考图5，为本发明实施例提供的另一种多媒体广播多播业务单频网络区域配置装置的结构示意图，所述装置除了包括图4中的各个单元，还可以包括：
第二判断单元501，用于判断通过所述第一判断单元确定的已配置MA的目标小区的MA会话数量是否已达预设上限；
第三判断单元502，用于判断通过所述第二判断单元确定的MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；
第二配置单元503，用于为通过所述第三判断单元确定的剩余时频资源足够配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系。
一种实施方式中，所述第一标识为服务区域标识SAI，所述装置还包括：
查询单元，用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区；
确定单元，用于将所述小区确定为多播会话的目标小区。
另外，所述装置还可以包括：
第二接收单元，用于在M2连接建立过程中，接收来自基站的M2连接建 立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
另外，为了实现MA的动态配置，本发明实施例还提供了一种多媒体广播多播业务单频网络区域配置装置，具体的，所述装置包括：
接收单元，用于接收来自关键任务MC业务服务器的MC业务多播会话消息；
发送单元，用于根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明实施例还提供了一种多媒体广播多播业务单频网络区域配置系统，参考图6，为本发明实施例提供的一种多媒体广播多播业务单频网络区域配置系统的架构图。具体的，所述多媒体广播多播业务单频网络区域MA配置系统600包括多播协调实体MCE610和移动管理实体MME620；
所述MME610，用于接收来自关键任务MC业务服务器的MC业务多播会话消息，并根据所述MC业务多播会话消息，向所述MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
所述MCE620，用于根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
所述MCE620，还用于判断已配置MA的目标小区的MA会话数量是否已达预设上限；判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
一种实施方式中，所述第一标识为服务区域标识SAI；
所述MCE620，还用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区，并将所述小区确定为多播会话的目标小区。
所述MCE620，还用于在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
为了避免无线资源的浪费，所述MCE，还用于根据所述第一标识确定多播会话的目标小区后，判断各个基站中已配置MA的小区是否属于所述目标小区；向不属于所述目标小区的已配置MA的小区对应的基站发送删除请求，以删除所述小区与MA的对应关系。、
一种可选的实施方式中，所述MCE，具体用于将各个基站的小区列表分别与所述目标小区进行比较，以判断各个基站中已配置MA的小区是否属于所述目标小区；其中，所述小区列表包括对应基站中已配置MA的小区。
本发明实施例提供的多媒体广播多播业务单频网络区域配置系统中，MME接收到MC业务多播会话消息后，向MCE发送携带第一标识的多播会话消息。MCE根据第一标识确定多播会话的目标小区后，为未配置MA的目标小区配置MA，并将目标小区与MA的映射关系发送至目标小区所属的基站，完成MA的动态配置，满足MC业务的实时性需求。
本发明还提供了一种多媒体广播多播业务单频网络区域配置设备的结构示意图，如图7所示，其中，所述设备至少包括一个存储器701和至少一个处理器702，还包括至少一个网络接口703；存储器701、处理器702和网络接口703之间通过总线相互连接。
存储器701用于存储程序代码，并将该程序代码传输给该处理器702。
处理器702用于根据所述程序代码中的指令，执行以下步骤：接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标 小区所属的基站。
进一步的，所述处理器702还用于判断已配置MA的目标小区的MA会话数量是否已达预设上限；判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
更进一步的，所述第一标识为服务区域标识SAI，所述处理器702还用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区；将所述小区确定为多播会话的目标小区。
更进一步的，所述处理器702还用于在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
本发明还提供了另一种多媒体广播多播业务单频网络区域配置设备的结构示意图，如图8所示，其中，所述设备至少包括一个存储器801和至少一个处理器802，还包括至少一个网络接口803；存储器801、处理器802和网络接口803之间通过总线相互连接。
存储器801用于存储程序代码，并将该程序代码传输给该处理器802。
处理器802用于根据所述程序代码中的指令，执行以下步骤：接收来自关键任务MC业务服务器的MC业务多播会话消息；根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
本发明还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在终端设备上运行时，使得所述终端设备执行上述的多媒体广播多播业务单频网络区域配置方法。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开 的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上对本发明实施例所提供的一种多媒体广播多播业务单频网络区域配置方法、系统及设备进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (16)

  1. 一种多媒体广播多播业务单频网络区域配置方法，其特征在于，所述方法包括：
    接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
    根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；
    为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；
    将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
  2. 根据权利要求1所述的多媒体广播多播业务单频网络区域配置方法，其特征在于，所述将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站之前，还包括：
    判断已配置MA的目标小区的MA会话数量是否已达预设上限；
    判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；
    如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
  3. 根据权利要求1或2所述的多媒体广播多播业务单频网络区域配置方法，其特征在于，所述第一标识为服务区域标识SAI，所述方法还包括：
    在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区；
    将所述小区确定为多播会话的目标小区。
  4. 根据权利要求3所述的多媒体广播多播业务单频网络区域配置方法，其特征在于，所述接收来自移动管理实体MME的多播会话消息之前，还包括：
    在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
  5. 根据权利要求1所述的多媒体广播多播业务单频网络区域配置方法，其特征在于，所述方法还包括：
    根据所述第一标识确定多播会话的目标小区后，判断各个基站中已配置MA的小区是否属于所述目标小区；
    向不属于所述目标小区的已配置MA的小区对应的基站发送删除请求，以删除所述小区与MA的对应关系。
  6. 根据权利要求5所述的多媒体广播多播业务单频网络区域配置方法，其特征在于，所述判断各个基站中已配置MA的小区是否属于所述目标小区，包括：
    将各个基站的小区列表分别与所述目标小区进行比较，以判断各个基站中已配置MA的小区是否属于所述目标小区；其中，所述小区列表包括对应基站中已配置MA的小区。
  7. 一种多媒体广播多播业务单频网络区域配置方法，其特征在于，所述方法包括：
    移动管理实体MME接收来自关键任务MC业务服务器的MC业务多播会话消息；
    所述MME根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
  8. 一种多媒体广播多播业务单频网络区域配置系统，其特征在于，所述系统包括多播协调实体MCE和移动管理实体MME；
    所述MME，用于接收来自关键任务MC业务服务器的MC业务多播会话消息，并根据所述MC业务多播会话消息，向所述MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；
    所述MCE，用于根据所述第一标识确定多播会话的目标小区后，判断所 述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
  9. 根据权利要求8所述的多媒体广播多播业务单频网络区域配置系统，其特征在于，
    所述MCE，还用于判断已配置MA的目标小区的MA会话数量是否已达预设上限；判断MA会话数量已达预设上限的目标小区的剩余时频资源是否足够配置MA；如果所述目标小区的剩余时频资源足够配置MA，则为所述目标小区配置MA，得到所述目标小区与所述MA的映射关系。
  10. 根据权利要求8或9所述的多媒体广播多播业务单频网络区域配置系统，其特征在于，所述第一标识为服务区域标识SAI；
    所述MCE，还用于在预存的SAI与小区的映射关系中，查询所述多播会话消息携带的SAI对应的小区，并将所述小区确定为多播会话的目标小区。
  11. 根据权利要求10所述的多媒体广播多播业务单频网络区域配置系统，其特征在于，
    所述MCE，还用于在M2连接建立过程中，接收来自基站的M2连接建立请求，其中，所述M2连接建立请求携带SAI与小区的映射关系。
  12. 根据权利要求8所述的多媒体广播多播业务单频网络区域配置系统，其特征在于，
    所述MCE，还用于根据所述第一标识确定多播会话的目标小区后，判断各个基站中已配置MA的小区是否属于所述目标小区；向不属于所述目标小区的已配置MA的小区对应的基站发送删除请求，以删除所述小区与MA的对应关系。
  13. 根据权利要求12所述的多媒体广播多播业务单频网络区域配置系统，其特征在于，
    所述MCE，具体用于将各个基站的小区列表分别与所述目标小区进行比较，以判断各个基站中已配置MA的小区是否属于所述目标小区；其中，所述小区列表包括对应基站中已配置MA的小区。
  14. 一种多媒体广播多播业务单频网络区域配置设备，其特征在于，所 述设备包括存储器和处理器；
    所述存储器，用于存储程序代码，并将所述程序代码传输给所述处理器；
    所述处理器用于根据所述程序代码中的指令，执行以下步骤：接收来自移动管理实体MME的多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区；根据所述第一标识确定多播会话的目标小区后，判断所述目标小区是否配置有多媒体广播多播业务单频网络区域MA；为未配置MA的目标小区配置MA，得到所述目标小区与所述MA的映射关系；将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
  15. 一种多媒体广播多播业务单频网络区域配置设备，其特征在于，所述设备包括存储器和处理器；
    所述存储器，用于存储程序代码，并将所述程序代码传输给所述处理器；
    所述处理器用于根据所述程序代码中的指令，执行以下步骤：接收来自关键任务MC业务服务器的MC业务多播会话消息；根据所述MC业务多播会话消息，向多播协调实体MCE发送多播会话消息，其中，所述多播会话消息携带第一标识，所述第一标识用于确定多播会话的目标小区，以使所述MCE为未配置MA的目标小区配置MA后，将所述目标小区与所述MA的映射关系发送至所述目标小区所属的基站。
  16. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当所述指令在终端设备上运行时，使得所述终端设备执行如权利要求1-7任一项所述的多媒体广播多播业务单频网络区域配置方法。
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