WO2016086419A1 - Multimedia broadcast multicast service method, device and system - Google Patents

Multimedia broadcast multicast service method, device and system Download PDF

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Publication number
WO2016086419A1
WO2016086419A1 PCT/CN2014/093164 CN2014093164W WO2016086419A1 WO 2016086419 A1 WO2016086419 A1 WO 2016086419A1 CN 2014093164 W CN2014093164 W CN 2014093164W WO 2016086419 A1 WO2016086419 A1 WO 2016086419A1
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WIPO (PCT)
Prior art keywords
mce
receive
determined
embms
session
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PCT/CN2014/093164
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French (fr)
Chinese (zh)
Inventor
张毅
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华为技术有限公司
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Priority to CN201480036202.XA priority Critical patent/CN105519147B/en
Priority to PCT/CN2014/093164 priority patent/WO2016086419A1/en
Publication of WO2016086419A1 publication Critical patent/WO2016086419A1/en

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a multimedia broadcast multicast service method, apparatus, and method.
  • the radio access network provides a peer-to-peer unicast bearer service, which supports upper-layer user services such as file downloading and streaming, and the unicast bearer service cannot share the wireless and transmission resources of the access network.
  • the traffic generated by mobile video services and application store downloads is increasing rapidly.
  • LTE networks inevitably generate congestion risks.
  • the user experience is degraded.
  • Operators face the dilemma of increasing revenues.
  • the broadcast multicast service is introduced on the mobile network, and the user services with concentrated interest are transmitted in a point-to-multipoint manner by sharing wireless and transmission resources, for example, live broadcast of major event videos, push of hot news, etc.
  • it provides opportunities for operators to reduce equipment investment, explore new business models, and increase revenue while reducing network load.
  • the Multimedia Broadcast Multicast Service is a multimedia broadcast multicast function defined in 3GPP R6.
  • the MBMS standard work was launched in 2002 and was frozen in September 2005.
  • the actual network implementation was in 2007. Since 2008, 3G networks have gradually promoted MBMS services.
  • MBMS is one of the mobile TV standards. Mobile operators only need to upgrade their existing WCDMA/HSPA networks to provide MBMS mobile TV services on a large scale.
  • the eMBMS (Enhanced Multimedia Broadcast Multicast Service) technology is an enhanced broadcast multicast technology based on the 3GPP R9 protocol and is one of the most efficient video bearer technologies in the mobile field. Compared with the previous generation MBMS video bearer technology, eMBMS technology can support more bandwidth, which means more channels and video content, while the video picture is clearer and smoother, and the user experience is better.
  • FIG. 1 shows a logical architecture diagram of an existing eMBMS, which mainly includes the following logical entities: a mobility management entity (MME), an eMBMS gateway. (eMBMS gate way, eMBMS-GW), multi-cell/multicast coordination entity (MCE), base station (eg, evolved Node B, eNB, or other type of base station), MBMS-GW and The base station communicates through the M1 interface, and the MCE communicates with the base station through the M2 interface, and the MME communicates with the MCE through the M3 interface.
  • the MCE is responsible for allocating radio resources of all base stations in the Multimedia Broadcast multicast service Single Frequency Network (MBSFN) area, and the base station is responsible for providing services for users of the cells covered by the MBSFN area.
  • MMSFN Multimedia Broadcast multicast service Single Frequency Network
  • An embodiment of the present invention provides a multimedia broadcast multicast service system, which can enable a user equipment to implement an eMBMS service through WIFI.
  • a first aspect of the present invention provides a multimedia broadcast multicast service system, including: a multimedia broadcast multicast service gateway (MBMS gate way, MBMS-GW), and a multi-cell/multicast coordination entity (MCE). And at least one access point (AP);
  • MBMS gate way MBMS-GW
  • MCE multi-cell/multicast coordination entity
  • AP access point
  • the MCE is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session, and send an eMBMS session to the determined AP.
  • the determined AP is further configured to broadcast the multicast packet received from the MBMS-GW in a WIFI air interface.
  • the determining, by the received area identifier, the access point AP, and sending the eMBMS session to the determined AP includes:
  • the MCE establishes a connection between the MCE and the at least one AP, determines an access point AP according to the received area identifier, and sends an eMBMS session to the determined AP.
  • the access controller (AC) is further included.
  • the MCE is configured to determine an AP according to the received area identifier, and send an eMBMS session to the determined AP, including:
  • the MCE is configured to determine an AC according to the received area identifier, and send an eMBMS session to the determined AC, where the determined AC determines an AP according to the area identifier, and distributes an eMBMS session to the determined AP.
  • the MCE saves a service area list, where the MCE matches the service The area list and the received area identifier determine the AP that needs to receive the eMBMS session.
  • the AP saves a service area list, and the AP sends the service
  • the area list is reported to the MCE, and the MCE matches the service area list and the received area identifier to determine an AP to receive an eMBMS session.
  • the AC saves a service area list, and the AC reports the service area list to the MCE And the MCE matches the service area list and the received area identifier, and determines an AC that needs to receive an eMBMS session.
  • a sixth possible implementation manner of the first aspect when the area identifier that is received by the MCE is determined to be an AP and an eNB The MCE determines to send an eMBMS session only to the determined AP.
  • a seventh possible implementation manner of the foregoing aspect when the MCE determines that the AP and the eNB are determined according to the received area identifier, the MCE determines that only the The determined AP sends an eMBMS session, including:
  • the MCE determines that there is an AP and an eNB according to the received area identifier, the determined AP and the determined eNB correspond to the same service area, and the MCE determines to send only the eMBMS session to the determined AP.
  • the AP is further configured to broadcast channel information in an air interface.
  • the UE is further configured to receive, by using a channel obtained by the parsing, a multicast packet sent by the AP And parsing the multicast packet.
  • an MCE including: a receiving unit, a processing unit, and a sending unit,
  • the receiving unit is configured to receive an eMBMS session sent by the MME, where the eMBMS session carries an area identifier;
  • the processing unit is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session;
  • the sending unit is configured to send an eMBMS session to the determined AP.
  • the processing unit is further configured to:
  • the processing unit determines, according to the area identifier received by the receiving unit, an AC that receives an eMBMS session, so that the AC determines, according to the AP list, an AP that needs to receive an eMBMS session.
  • the method further includes a storage unit, where the storage unit is configured to store a service area list, The processing unit matches the service area list and the received area identifier, and determines an AP that needs to receive an eMBMS session.
  • the receiving unit is further configured to receive a service area list that is reported by the AP, where the processing unit matches the service area list and receives the The area ID identifies the AP that needs to receive the eMBMS session.
  • the receiving unit is further configured to receive a service area list that is reported by the AC, where the processing unit matches The service area list and the received area identifier determine an AC that needs to receive an eMBMS session.
  • the determining unit is further configured to: when the received area identifier When it is determined that there is an AP and an eNB, it is determined that only the eMBMS session is sent to the determined AP.
  • the determining, when the received area identifier determines that the AP and the eNB are determined, determining that only the determining The AP sends an eMBMS session including:
  • the determining unit when the received area identifier determines that there is an AP and an eNB, the determined AP and the determined eNB correspond to the same service area, and the determining unit determines to send only the eMBMS to the determined AP. Conversation.
  • a third aspect provides an access point AP, including: a receiving unit, a processing unit, and a broadcast unit;
  • the receiving unit is configured to receive an eMBMS session sent by the MCE or the AC, where the eMBMS session carries a multicast address identifier;
  • the processing unit is configured to establish a connection with the MBMS-GW according to the multicast address identifier
  • the receiving unit is further configured to receive a multicast packet from the MBMS-GW;
  • the broadcast unit is configured to broadcast the received multicast packet on an air interface.
  • the storage unit is configured to store a service area list, so that the MCE matches the service area list and the multicast area identifier, and determines an AP that needs to receive an eMBMS session.
  • the sending unit is further configured to report the service area list that is stored by the storage unit to the MCE.
  • the broadcast unit is further configured to broadcast in a WIFI air interface Channel information.
  • an access controller AC including: a receiving unit and a processing unit,
  • the receiving unit is configured to receive an eMBMS session sent by the MCE, where the eMBMS session carries an area identifier;
  • the processing unit is configured to determine, according to the area identifier, an AP that needs to receive a session;
  • the sending unit is configured to distribute an eMBMS session to an AP that determines that a session needs to be received.
  • the storage unit is configured to store a service area list
  • the sending unit is further configured to send the service area list to the MCE.
  • the processing unit is further configured to: according to the multicast address carried in the eMBMS session The identity establishes a connection with the MBMS-GW;
  • the receiving unit is further configured to receive a multicast packet from the eMBMS.
  • the sending unit is further configured to send the multicast packet to the determined AP.
  • a UE for supporting receiving an eMBMS broadcast by using a WIFI, and is characterized by comprising: a receiving unit, a processing unit, and a display unit;
  • the receiving unit is configured to receive channel information broadcast by the AP;
  • the processing unit is configured to parse the received channel information
  • the display unit is configured to display the parsed channel information.
  • the receiving unit is further configured to receive a multicast packet sent by the AP;
  • the processing unit is further configured to parse the multicast packet
  • the display unit is further configured to parse channel content presented by the multicast package.
  • the multimedia broadcast multicast system includes a multimedia broadcast service gateway MBMS-GW, a multi-cell multicast cooperative entity MCE, and an access point AP.
  • the MCE receives the session message carrying the area identifier from the MME, and determines, according to the area identifier, that the session message needs to be received.
  • the AC sends a session message to the AC, and the AC determines the AP that needs to receive the session message and sends a session message to the AP.
  • the AP establishes a connection with the MBMS-GW according to the received session message, and receives the multicast packet from the MBMS-GW. After the AP is parsed, it is broadcast on the air interface.
  • the embodiment of the present invention can enable the user equipment to implement the eMBMS service through the WIFI, thereby maintaining the continuity of the eMBMS service.
  • FIG. 1 is a logical architecture diagram of an eMBMS in the background art
  • 2-1 is a schematic structural diagram of a multimedia broadcast multicast service system according to an embodiment of the present invention.
  • FIG. 2-2 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a multimedia broadcast multicast service system according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure.
  • 6-1 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention.
  • FIG. 6-2 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of an MCE according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of an AC according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of an AP according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another MCE according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of another AC according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another AP according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • the embodiment of the present invention provides a broadcast system, as shown in FIG. 2-1, including an MBMS-GW, an MCE, an access point (AP), and an access controller (AC);
  • the sent session message determines the AC to receive the session message according to the area identifier in the session message, and the MCE and the AC can communicate through the M2 interface; the AC receives the session message sent by the MCE, and determines the AP to receive the session according to the session message.
  • the AC and the AP can communicate through the CAPWAP protocol or the private protocol interface.
  • the AP After receiving the session message sent by the AC, the AP establishes a connection with the MBMS-GW and receives the multicast packet from the MBMS-GW.
  • the AP and the MBMS-GW Communication can be performed through the M1 interface; the AP receives more After the broadcast, broadcast on the WIFI air interface.
  • the M1 interface and the M2 interface can follow the existing 3GPP protocol.
  • the broadcast system provided by the embodiment of the present invention may specifically implement the process shown in FIG. 3:
  • the MCE receives a session message sent by the MME, for example, a session start request, where the session message carries an area identifier (if the session message carries multiple area identifiers, which can be expressed in the form of a region list), the MCE according to the The received area identification determines the AC to receive the session message and sends a session message to these determined ACs. It can be understood that the MCE can communicate with multiple ACs, and an AC is taken as an example for illustration.
  • the area identifier received by the MCE may be used to identify the eMBMS service area.
  • the eMBMS service area refers to the geographical area range sent by the eMBMS service. If multiple eMBMS services send the same geographical area, these eMBMS services can use the same area identifier.
  • the eMBMS service area can be an area with common characteristics, such as the Expo Park, large shopping malls, airports, etc.
  • An eMBMS service can be sent to multiple eMBMS service areas. The network operation and maintenance personnel can divide multiple area identifiers for the whole network cell and circle multiple area identifiers to form an eMBMS service area.
  • the MCE determines, according to the received area identifier, the AC to receive the session message, which may be implemented in multiple manners.
  • the first implementation manner includes:
  • the MCE queries the corresponding relationship table between the service area and the AC according to the received area identifier carried in the session message sent from the MME.
  • the service area may be a set of the area identified by the area identifier, thereby determining the AC to receive the session.
  • the MCE learns the service area identified by the area identifier according to the area identifier carried in the session message sent by the MME, and determines the need to receive the session according to the obtained service area based on the corresponding relationship between the service area and the AC.
  • AC The correspondence between the service area and the AC is a representation of the correspondence between the service area and the AC. It can also be in other forms.
  • the correspondence table is used as an example.
  • the corresponding relationship table between the service area and the AC may be stored in the MCE; or may be stored in other locations in the network.
  • the MCE may obtain a correspondence table between the service area and the AC through a signaling message, or the MCE passes the signaling. The message is queried to the correspondence table of the service area and the AC stored in other locations in the network.
  • the corresponding relationship table between the service area and the AC may be generated by, for example, as shown by 3012 in FIG. 3: the MCE is available according to the AP.
  • the service area list, and the affiliation relationship between the AP and the AC generates a correspondence table between the service area and the AC.
  • the MCE may further generate a correspondence table between the service area and the AC according to the correspondence between the AC and the SCTP link, the service area list that the AP can use, and the affiliation relationship between the AP and the AC.
  • the MCE can obtain the affiliation relationship between the AP and the AC in the following manner:
  • the AC is connected to the MCE.
  • the AC and the MCE can establish a Stream Control Transmission Protocol (SCTP) connection.
  • SCTP Stream Control Transmission Protocol
  • the AC passes the message, for example, setup.
  • the request message is reported to the AP-managed AP list, and the MCE generates an affiliation relationship between the AP and the AC according to the AP-managed AP list carried in the AC report message.
  • the affiliation table is used as an example to indicate the relationship between the AP and the AC.
  • the implementation form is not limited.
  • the service area list that can be used by the AP can be pre-configured in the MCE, or the AC can be reported to the MCE.
  • the AC reports the service area list configured by the AC to the MCE through the setup request message.
  • the MCE determines the AC to receive the session message according to the received area identifier, and the second implementation manner includes:
  • the MCE receives the session message that is sent by the MME and carries the area identifier, determines the AC to receive the session, and then establishes a connection with the AC.
  • the specific implementation process refers to the first mode. The difference is that, in the second implementation manner, the MCE first determines the AC to receive the session according to the area identifier, and then establishes a connection with the determined AC.
  • the specific implementation process is in the first manner. It has been described in detail and will not be described here.
  • the MCE determines the AC to receive the session message, it distributes the session message to these determined ACs.
  • the MCE queries the corresponding AC of the service area and the AC according to the area identifier carried in the session message received from the MME, and determines that the corresponding AC is queried to the service area, it is determined that the session message is distributed to the AC. Specifically, the MCE passes the M2 interface. Distributing a session message to the corresponding AC. Optionally, the MCE carries the AP list of the AC redistribution in the session message that is distributed to the AC.
  • the AC receives the session message distributed by the MCE, determines the APs to receive the session message, and distributes the session message to the APs;
  • the MCE sends a session start request message to the determined AC, where the message carries the AP list managed by the AC receiving the message, and the AC determines the AP to receive the session message according to the AP list, and distributes the session message to the determined APs. .
  • the AC may query the configured service area list of the configured AP according to the service area list carried in the session message sent by the MCE, determine the APs to receive the session, and distribute the session message to the APs. Specifically, the AC determines, according to the service area information carried in the session message sent by the MCE, the area that needs to receive the MBMS service, and then determines which APs are required to receive the MBMS service according to the service area of the available AP that the AC side knows. The area, thereby determining the APs that need to receive the session, and distributing session messages to these APs.
  • the AP receives the AC distribution session message, establishes a connection between the AP and the MBMS-GW according to the multicast address identifier carried in the session message, and receives the multicast packet from the MBMS-GW.
  • the AP after receiving the session message distributed by the AC, the AP records the correspondence between the TMGI (temporary mobile group identity) and the user plane multicast IP address carried in the session message, where the TMGI is used in the eMBMS.
  • An identifier that uniquely identifies the multicast and broadcast bearer service, and joins the multicast group according to the user plane multicast IP address carried in the session, and the AP and the MBMS-GW communicate through the M1 interface.
  • the AP receives the multicast packet from the MBMS-GW through the M1 interface.
  • the AP may periodically broadcast channel information on the air interface, so that the UE receives the channel information broadcast by the AP.
  • connection between the AC and the MBMS-GW can be established.
  • the M1 interface can be used to implement the mapping between the TMGI and the user-side multicast IP address carried in the AC. Add the user-side multicast IP address to the M1 interface.
  • the AC receives the multicast packet from the MBMS-GW through the M1 interface, and then distributes the received broadcast data to the designated AP.
  • the AP processes the received multicast packet and broadcasts it on the WIFI air interface.
  • the AP strips the GTPU and the Sync header to obtain the payload IP packet, and broadcasts the payload IP packet in the WIFI air interface; and simultaneously records the correspondence between the payload IP packet multicast address and the TMGI, and the AP summary The correspondence between all MBMS sessions of the AP is broadcast on the specified IP multicast group configured.
  • the UE can receive the eMBMS service through the WIFI.
  • the UE For a UE that does not support WIFI and LTE concurrent, that is, the UE cannot simultaneously support receiving eMBMS service through WIFI and receiving eMBMS service through LTE network; or although the UE supports WIFI and LTE concurrent, when the UE enters LTE weak coverage area, the UE terminates Receiving the eMBMS service through the LTE network, and accessing the WIFI to receive the eMBMS service.
  • the embodiment of the present invention provides a broadcast system that can implement eMBMS through WIFI, and the UE can implement the eMBMS service after entering the WIFI coverage area. Or, when the UE enters the WIFI coverage area from the LTE coverage area, the continuity of the eMBMS service is maintained.
  • An embodiment of the present invention provides another multimedia broadcast multicast service system, including, as shown in FIG. 4, an MBMS-GW, an MCE, and an AP.
  • the MCE determines that the AP to receive the session and distributes the session message to the AP, the MCE and the The APs communicate with each other through the M2 interface.
  • the AP receives the multicast packets from the MBMS-GW and broadcasts them on the air interface.
  • the AP communicates with the MBMS-GW through the M1 interface.
  • the M1 interface and the M2 interface comply with the 3GPP protocol.
  • the broadcast system provided by the embodiment of the present invention may specifically implement the method steps shown in FIG. 5.
  • the difference between the broadcast system provided in this embodiment and the broadcast system provided in the first embodiment is that only the AP is included in the embodiment, and the AC is not included.
  • the functions of the AP in this embodiment combine the functions of the AC and the AP in the first embodiment.
  • the specific implementation of the broadcast process is as follows:
  • the MCE receives the session message sent by the MME, where the session message carries the area identifier, and the MCE determines the AP according to the received area identifier, and sends a session message to the determined APs.
  • the specific MCE determines that the AP process to receive the session may refer to the process of determining, by the MCE in Embodiment 1, the AC to receive the session;
  • the AP establishes a location according to the multicast address identifier carried in the session message. Determining a connection between the determined AP and the MBMS-GW, and receiving a multicast packet from the MBMS-GW;
  • the determined AP is further configured to broadcast the multicast packet received from the MBMS-GW in a WIFI air interface.
  • the AP in this embodiment can implement the functions of the AC and the AP in the first embodiment.
  • the UE can receive the eMBMS service through the WIFI.
  • the UE For a UE that does not support WIFI and LTE concurrent, that is, the UE cannot simultaneously support receiving eMBMS service through WIFI and receiving eMBMS service through LTE network; or although the UE supports WIFI and LTE concurrent, when the UE enters LTE weak coverage area, the UE terminates Receiving the eMBMS service through the LTE network, and accessing the WIFI to receive the eMBMS service.
  • the embodiment of the present invention provides a WIFI broadcast system, and the UE can implement the eMBMS service after entering the WIFI coverage area, or the UE covers the LTE. When the area enters the WIFI coverage area, the continuity of the eMBMS service is maintained.
  • the embodiment of the present invention provides another multimedia broadcast multicast service system, including, as shown in FIG. 6-1, FIG. 6-2, MBMS-GW, MCE, AC, AP, and eNB.
  • the embodiment of the present invention is based on the foregoing embodiment.
  • the base station is added (the eNB is taken as an example for description), so that the eMBMS service can be implemented by the base station.
  • the MCE determines the eNB according to the area identifier, and the MCE and the eNB communicate through the M2 interface, and the eNB receives the IP multicast packet from the MBMS-GW through the M1 interface, and sends the IP packet through the air interface in the specified frame when the service scheduling period arrives.
  • the broadcast mode of the broadcast system provided by the embodiment of the present invention is as shown in FIG. 8.
  • the specific implementation process is as follows:
  • the MCE receives the session message sent by the MME, and the session message carries the area identifier. The MCE determines whether there is a corresponding AC or cell according to the area identifier.
  • the MCE determines whether there is a corresponding AC according to the received area identifier, and can query the corresponding relationship table of the service area and the AC, and if the query has an AC, the determined AC is determined.
  • Distribute session messages which in turn determine that a session message is to be received
  • the AP implements the eMBMS service through the WIFI.
  • the specific implementation process is as described in the foregoing embodiment, and is not described here.
  • the MCE may also query the corresponding eNB list according to the area identifier, so as to determine the eNB that is to receive the eMBMS session, and if the corresponding cell is found in the service area according to the received area identifier, the eMBMS session is distributed to the eNB to which the cell belongs. Specifically, the MCE determines, according to the service QoS parameter corresponding to the eMBMS session, whether the resources in the MBSFN subframe resource pool are sufficient, and if sufficient, allocates resources required for the physical multicast channel (PMCH), and allocates session correspondence. LCID.
  • PMCH physical multicast channel
  • the MCE informs the eNB to establish a corresponding M1 interface through the Session Start process (the eNB sends an IGMP report message to request the establishment of the multicast routing of the MBMS GW to the eNB); on the other hand, the eNB is notified to reserve the corresponding air interface through the Scheduling Info process. Resources.
  • the eNB notifies the UE by using a system message according to the air interface resource configuration, and unpacks and caches the IP multicast packet received from the MBMS GW.
  • the eNB sends and receives services through the air interface in the specified frame.
  • the eMBMS broadcast service is implemented by the eNB.
  • the AC and the AP may be integrated, and the function of the AC and the function of the AP are implemented by a single AP.
  • the specific implementation manner is as shown in FIG. 9 and has been discussed in detail in the foregoing embodiment. Let me repeat.
  • the MCE When the MCE queried the corresponding service cell and the AC according to the received service area identifier, the MCE can separately distribute the session to the eNB and the AC corresponding to the service area, and different UEs can use WIFI and LTE respectively. Bearer to implement eMBMS service.
  • a UE is used as an example to illustrate that if the UE only enters the WIFI coverage area of the broadcast system shown in this embodiment, the UE can implement the eMBMS service by using the WIFI as the bearer; if the UE only enters the LTE coverage of the broadcast system. In the area, the UE can implement the eMBMS service by using the LTE as the bearer; if the UE enters the area, the WIFI coverage and the LTE coverage are simultaneously performed, that is, the AC corresponding to the service area carried in the MCE-distributed message and the cell corresponding to the carried service area.
  • the UE can receive the eMBMS service through the LTE network, or receive other eMBMS services through the WIFI network, for the UE that supports the WIFI service and the LTE service.
  • Content for example, the UE can receive five CCTV1-CCTV5 through the LTE network.
  • the channel can also receive other different channels such as CCTV11-CCTV14 through the WIFI network.
  • the WIFI coverage can be used as the inter-frequency coverage area of the eMBMS.
  • the WIFI coverage can flexibly customize the broadcast service of the small area. Therefore, the user can implement more regionalized program content through the UE in the coverage area of the WIFI.
  • the UE can receive the eMBM broadcast service through the WIFI when the UE enters the WIFI network separately; when the UE enters the LTE network separately, the eMBM broadcast service can be received through the LTE network; when the UE enters the WIFI network When the LTE network shares the area, the UE selects the WIFI network preferentially, so that the eMBMS service can be received through the WIFI network.
  • the MCE may choose to only send the session to the corresponding AC, so that the UE can receive the eMBMS service only through the AP to which the AC belongs, that is, the WIFI is implemented by using the WIFI.
  • the eMBMS service refer to the foregoing embodiment, and details are not described herein again.
  • the MCE may also only distribute the session to the corresponding AC, so that the UE may
  • the eMBMS service is received only through the AP to which the AC belongs.
  • the MCE can also choose to implement the eMBMS service only through the eNB.
  • the above is the structure of the eMBMS service by arranging only WIFI as the bearer, as shown in Figure 2-1, Figure 2-2, Figure 4; or although the layout can be implemented as a bearer to implement eMBMS through WIFI and LTE networks respectively.
  • the structure of the service is as shown in Figure 6-1, Figure 6-2, and Figure 7.
  • only the WIFI is used as the bearer to implement the eMBMS service.
  • the UE can implement the eMBMS service only through the WIFI bearer.
  • WIFI only scenes. Typical scenarios, such as stadiums and other user-level locations, enable eMBMS services to be deployed through WIFI coverage areas, while eMBMS services may not be provided in LTE networks.
  • the UE can receive the eMBMS service through the WIFI; even for the UE that supports the WIFI service and the LTE service, the UE can receive the eMBMS service only through the WIFI.
  • the embodiment of the present invention provides a multi-cell/multicast coordination entity (MCE), which can be applied to the broadcast system provided by the foregoing embodiment, including, as shown in FIG. 10, the MCE includes: receiving Unit 100, processing unit 101 and transmitting unit 102;
  • MCE multi-cell/multicast coordination entity
  • the receiving unit 100 is configured to receive a session message sent by the MME, where the session message carries an area identifier, and the processing unit 101 is configured to determine an AC or an AP according to the received area identifier;
  • the storage unit 103 may further include a corresponding relationship table between the service area and the AC or the AP, where the corresponding relationship table may be generated by:
  • the receiving unit 100 is configured to receive a message reported by the AC or the AP, and the processing unit 101 generates a affiliation relationship table between the AP and the AC, where the processing unit 101 is further configured to generate a correspondence between the AC and the SCTP link according to the AC identifier carried in the message, or according to the The AP identifier carried in the message generates a correspondence between the AP and the SCTP link, and the processing unit 101 generates a correspondence table between the service area and the AC or the AP according to the foregoing relationship and the corresponding relationship.
  • the sending unit 102 is configured to send a session message to the determined AC or AP.
  • the processing unit 101 is further configured to determine, when the received area identifier determines that the distribution session message has an AC or an AP, and the eNB, determine to select to distribute the eMBMS session only through the AC or the AP, or select to only distribute the eMBMS session by using the eNB.
  • the processing unit 101 may be further configured to: when the received area identifier determines that there is an AC or an AP that distributes the eMBMS session, and the eNB, and when the determined service area corresponding to the AC or the AP is the same as the service area corresponding to the determined eNB, It is determined that the eMBMS session is only distributed through the AC or AP; it is also possible to distribute the eMBMS session only through the eNB.
  • the embodiment of the present invention provides an access controller (AC), which can be applied to the broadcast system provided by the foregoing embodiment, as shown in FIG. 11, comprising: a receiving unit 200, a processing unit 201, and a sending unit 202;
  • AC access controller
  • the receiving unit 200 is configured to receive a session message sent by the MCE, where the session message carries an area identifier.
  • the processing unit 201 is configured to determine, according to the area identifier, an AP that is to receive a session;
  • the sending unit 202 is configured to distribute the session message to the determined AP.
  • the AC provided by the embodiment of the present invention may further include a storage unit 203, where the storage unit 203 stores a service area list, and the sending unit 202 is further configured to send the service area list stored by the storage unit 203 to the MCE.
  • the processing unit 201 may be further configured to establish a connection with the MBMS-GW according to the multicast address identifier carried in the session message. Specifically, the processing unit may communicate with the MBMS-GW through the M1 interface, and the receiving unit 200 receives from the MBMS-GW. Multicast package.
  • the sending unit 202 is further configured to send the multicast packet to the determined AP.
  • the embodiment of the present invention provides an access point (AP), which can be applied to the broadcast system provided in the foregoing embodiment.
  • the receiving unit 300 includes a receiving unit 300, a processing unit 301, and a broadcast unit 302.
  • the receiving unit 300 is configured to receive a session message sent by the MCE or the AC, where the session message carries a multicast address identifier.
  • the processing unit 301 is configured to establish a connection with the MBMS-GW according to the multicast address identifier. Specifically, the processing unit can communicate with the MBMS-GW through the M1 interface.
  • the receiving unit 300 is further configured to receive a multicast packet from the MBMS-GW.
  • the broadcast unit 302 is configured to broadcast the received multicast packet on a WIFI air interface.
  • the AP provided by the embodiment of the present invention may further include a storage unit 303, where the storage unit 303 stores a service area list, and the sending unit 302 is further configured to send the service area list stored by the storage unit 303 to the MCE.
  • the embodiment of the present invention provides a user equipment (UE), which can be applied to the broadcast system provided by the foregoing embodiment, and implements an eMBMS broadcast service by using the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 13, receiving Unit 400, processing unit 401 and display unit 402.
  • UE user equipment
  • the UE can be any access device such as a mobile phone, a tablet, or the like.
  • the receiving unit 400 is configured to receive channel information broadcast by the AP;
  • the processing unit 401 is configured to parse the received channel information.
  • the display unit 402 is configured to display the parsed channel information.
  • the receiving unit 400 is further configured to receive the multicast packet sent by the AP on the parsed channel;
  • the processing unit 401 is further configured to parse the multicast packet.
  • the display unit 402 is further configured to display channel content presented by the multicast package.
  • the embodiment of the present invention provides a multi-cell/multicast coordination entity (MCE), which can be applied to the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 14, the communication interface 501, Processor 502 and memory 503;
  • MCE multi-cell/multicast coordination entity
  • the communication interface 501 is configured to receive a session message sent by the MME, where the session message carries an area identifier.
  • the processor 502 is configured to determine an AC or an AP according to the received area identifier
  • the memory 503 further includes a corresponding relationship table between the service area and the AC or the AP, where the corresponding relationship table can be generated by:
  • the communication interface 501 receives the message reported by the AC or the AP, and the processor 502 generates a affiliation relationship table between the AP and the AC.
  • the processor 502 is further configured to generate a correspondence between the AC and the SCTP link according to the AC identifier carried in the message, or according to the message.
  • the AP identifier carried in the AP generates an association between the AP and the SCTP link, and the processor 502 generates a correspondence table between the service area and the AC or the AP according to the foregoing affiliation relationship and the corresponding relationship.
  • the communication interface 501 Through the communication interface 501, it is used to send a session message to the determined AC or AP.
  • the processor 502 is further configured to determine, when the received area identifier determines that the distribution session message has an AC or an AP, and the eNB, determine to select to distribute the eMBMS session only through the AC or the AP, or select to only distribute the eMBMS session by using the eNB.
  • the processor 502 is further configured to: when the received area identifier determines that there is an AC or an AP that distributes the eMBMS session, and the eNB, and when the determined service area corresponding to the AC or the AP is the same as the service area corresponding to the determined eNB, Make sure to choose to distribute only through AC or AP eMBMS session; it is also possible to distribute the eMBMS session only through the eNB.
  • the embodiment of the present invention provides an access controller (AC), which can be applied to the broadcast system provided by the foregoing embodiment, including, as shown in FIG. 15, a communication interface 601, a processor 602, and a memory 603;
  • AC access controller
  • the communication interface 601 is configured to receive a session message sent by the MCE, where the session message carries an area identifier.
  • the processor 602 is configured to determine, according to the area identifier, an AP that is to receive a session;
  • a session message is distributed to the determined AP through the communication interface 601.
  • the AC provided by the embodiment of the present invention may further include a memory 603, where the memory 603 stores a service area list, and the service area list stored in the memory 603 is sent to the MCE through the communication interface 601.
  • the processor 602 is further configured to establish a connection with the MBMS-GW according to the multicast address identifier carried in the session message. Specifically, the processor 602 can communicate with the MBMS-GW through the M1 interface, and from the MBMS-GW through the M1 interface. Receive multicast packets.
  • the communication interface 601 can also be used to send the multicast packet to the determined AP.
  • An embodiment of the present invention provides an access point (AP), which can be applied to the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 16, a communication interface 701, a processor 702, a memory 703, and a broadcast. Port 704;
  • AP access point
  • the communication interface 701 is configured to receive a session message sent by the MCE or the AC, where the session message carries a multicast address identifier.
  • the processor 702 is configured to establish a connection with the MBMS-GW according to the multicast address identifier. Specifically, the processor 702 can communicate with the MBMS-GW through the M1 interface.
  • a multicast packet can also be received from the MBMS-GW;
  • the broadcast button 704 is configured to broadcast the received multicast packet on the WIFI air interface.
  • the AP provided by the embodiment of the present invention may further include a memory 703, where the memory 703 is stored.
  • the service area list can also send the service area list stored in the memory 703 to the MCE through the communication interface 701.
  • the embodiment of the present invention provides a user equipment (UE), which can be applied to the broadcast system provided by the foregoing embodiment, and implements an eMBMS broadcast service by using the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 801, processor 802, display 803.
  • UE user equipment
  • the UE can be any access device such as a mobile phone, a tablet, or the like.
  • the receiver 801 is configured to receive channel information broadcast by the AP.
  • the processor 802 is configured to parse the channel information received from the AP.
  • the receiver 801 is further configured to receive a multicast packet sent by the AP.
  • the processor 802 is further configured to parse the multicast packet,
  • the display 804 is configured to display according to the multi-cast packet parsed by the processor, so that the user can watch the channel content through the display.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical. Units can be located in one place or 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.
  • the connection relationship between the modules indicates that there is a communication connection between them, and specifically, one or more communication buses or signal lines can be realized.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course,
  • the hardware includes integrated circuits, CPUs, memories, components, and the like.
  • functions performed by a computer program can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can also be various, such as analog circuits, digital circuits, or circuits. Wait.
  • software program implementation is a better implementation in more cases.
  • the technical solution of the present invention which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • U disk mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • a computer device may be A personal computer, server, or network device, etc.

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Abstract

Provided in an embodiment of the present invention is a multimedia broadcast multicast service system, comprising a multimedia broadcast service gateway (MBMS-GW), a multi-cell multicast coordination entity (MCE) and an access point (AP). An MCE receives from an MME a session message carrying an area identifier, and according to the area identifier determines an AC that needs to receive the session message and transmits the session message to the AC, the AC determines the AP that needs to receive the session message and transmits the session message to the AP, the AP establishes a connection with the MBMS-GW according to the received session message, and receives a multicast packet from the MBMS-GW, the multicast packet is broadcasted at an air interface after AP parsing. The embodiment of the present invention enables a user device to realize the eMBMS service over WIFI, thus maintaining the continuity of the eMBMS service.

Description

多媒体广播多播业务的方法、装置和***Method, device and system for multimedia broadcast multicast service 技术领域Technical field
本发明涉及通信技术领域，尤其涉及一种多媒体广播多播业务方法、装置和方法。The present invention relates to the field of communications technologies, and in particular, to a multimedia broadcast multicast service method, apparatus, and method.
背景技术Background technique
传统上，无线接入网提供点对点的单播承载服务，支持文件下载、流传输等上层用户业务，而单播承载服务无法共享接入网的无线和传输资源。随着智能手机用户的快速发展，移动视频业务、应用商店下载产生的流量在快速递增，即使是LTE网络也不可避免地产生拥塞的风险，一方面使得用户的业务体验出现了下降，另一方面运营商面临增量不增收的窘境。基于这个原因，在移动网络上引入广播多播业务，通过共享无线和传输资源，以点对多点的方式传输一些兴趣度集中的用户业务，例如：重大赛事视频的直播、热点新闻的推送等，在降低网络负载的同时，提高用户的业务体验；另一方面，为运营商减少设备投资、发掘新的商业模式、增加收入提供了机会。Traditionally, the radio access network provides a peer-to-peer unicast bearer service, which supports upper-layer user services such as file downloading and streaming, and the unicast bearer service cannot share the wireless and transmission resources of the access network. With the rapid development of smartphone users, the traffic generated by mobile video services and application store downloads is increasing rapidly. Even LTE networks inevitably generate congestion risks. On the other hand, the user experience is degraded. Operators face the dilemma of increasing revenues. For this reason, the broadcast multicast service is introduced on the mobile network, and the user services with concentrated interest are transmitted in a point-to-multipoint manner by sharing wireless and transmission resources, for example, live broadcast of major event videos, push of hot news, etc. On the other hand, it provides opportunities for operators to reduce equipment investment, explore new business models, and increase revenue while reducing network load.
多媒体广播多播业务(Multimedia Broadcast Multicast Service，MBMS)是3GPP R6中定义的多媒体广播组播功能。MBMS标准工作于2002年启动，并在2005年9月冻结，实际网络实施是2007年。自2008年开始，3G网络逐步推广MBMS业务。MBMS是手机电视标准之一，移动运营商只需软件升级已有的WCDMA/HSPA网络即可大规模提供MBMS手机电视业务。The Multimedia Broadcast Multicast Service (MBMS) is a multimedia broadcast multicast function defined in 3GPP R6. The MBMS standard work was launched in 2002 and was frozen in September 2005. The actual network implementation was in 2007. Since 2008, 3G networks have gradually promoted MBMS services. MBMS is one of the mobile TV standards. Mobile operators only need to upgrade their existing WCDMA/HSPA networks to provide MBMS mobile TV services on a large scale.
eMBMS(增强型多媒体广播多播业务)技术是基于3GPP R9协议规定的增强型广播多播技术，是移动领域最高效的视频承载技术之一。与上一代MBMS视频承载技术相比，eMBMS技术能支持更大的带宽，这意味着能提供更多的频道和视频内容，同时视频画面更清晰流畅，用户体验更好。The eMBMS (Enhanced Multimedia Broadcast Multicast Service) technology is an enhanced broadcast multicast technology based on the 3GPP R9 protocol and is one of the most efficient video bearer technologies in the mobile field. Compared with the previous generation MBMS video bearer technology, eMBMS technology can support more bandwidth, which means more channels and video content, while the video picture is clearer and smoother, and the user experience is better.
图1示出了现有的eMBMS的逻辑架构图，其主要包括以下逻辑实体：移动管理实体(mobility management entity，MME)，eMBMS网关 (eMBMS gate way，eMBMS-GW)，多小区多播协作实体(multi-cell/multicast coordination entity；MCE)，基站(例如，演进型Node B，eNB，或其他类型的基站)，MBMS-GW与基站通过M1接口进行通信，MCE与基站通过M2接口进行通信，MME与MCE之间通过M3接口进行通信。其中，MCE负责分配在多媒体广播多播单频网(Multimedia Broadcast multicast service Single Frequency Network，MBSFN)区域内所有基站的无线资源，基站负责为MBSFN区域中的其所覆盖的各小区的用户提供服务。FIG. 1 shows a logical architecture diagram of an existing eMBMS, which mainly includes the following logical entities: a mobility management entity (MME), an eMBMS gateway. (eMBMS gate way, eMBMS-GW), multi-cell/multicast coordination entity (MCE), base station (eg, evolved Node B, eNB, or other type of base station), MBMS-GW and The base station communicates through the M1 interface, and the MCE communicates with the base station through the M2 interface, and the MME communicates with the MCE through the M3 interface. The MCE is responsible for allocating radio resources of all base stations in the Multimedia Broadcast multicast service Single Frequency Network (MBSFN) area, and the base station is responsible for providing services for users of the cells covered by the MBSFN area.
由于现实LTE网络覆盖问题，某些地方无法覆盖到LTE网络，此时用户就无法接收到广播业务，或者当用户用网络覆盖区域移动到网络弱覆盖区域或无覆盖区域，会造成业务中断，影响用户的业务体验。Due to the problem of LTE network coverage, some places cannot cover the LTE network. In this case, the user cannot receive the broadcast service, or when the user moves to the network weak coverage area or the non-coverage area with the network coverage area, the service will be interrupted. The user's business experience.
发明内容Summary of the invention
本发明的实施例提供一种多媒体广播多播业务***，可以使得用户设备通过WIFI来实现eMBMS业务。An embodiment of the present invention provides a multimedia broadcast multicast service system, which can enable a user equipment to implement an eMBMS service through WIFI.
本发明第一方面提供了一种多媒体广播多播业务***，包括：多媒体广播多播业务网关(MBMS gate way，MBMS-GW)，多小区多播协作实体(multi-cell/multicast coordination entity，MCE)和至少一个接入点(access point，AP)；A first aspect of the present invention provides a multimedia broadcast multicast service system, including: a multimedia broadcast multicast service gateway (MBMS gate way, MBMS-GW), and a multi-cell/multicast coordination entity (MCE). And at least one access point (AP);
所述MCE，用于根据接收到的区域标识确定需要接收eMBMS会话的AP，并向所述确定的AP发送eMBMS会话；The MCE is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session, and send an eMBMS session to the determined AP.
所述确定的AP，用于根据从MCE发送的eMBMS会话中携带的多播地址标识建立所述确定的AP和所述MBMS-GW之间的连接，并从所述MBMS-GW接收多播包；Determining, by the determined AP, a connection between the determined AP and the MBMS-GW according to a multicast address identifier carried in an eMBMS session sent from an MCE, and receiving a multicast packet from the MBMS-GW ;
所述确定的AP，还用于将从所述MBMS-GW接收到的多播包在WIFI空口进行广播。The determined AP is further configured to broadcast the multicast packet received from the MBMS-GW in a WIFI air interface.
结合第一方面，在第一方面的第一种可能的实现方式中，所述根据接收到的区域标识确定接入点AP，并向所述确定的AP发送eMBMS会话，包括： With reference to the first aspect, in a first possible implementation manner of the first aspect, the determining, by the received area identifier, the access point AP, and sending the eMBMS session to the determined AP, includes:
所述MCE根据接收到的区域标识确定AP，建立所述MCE和所述确定的AP之间的连接，并向所述确定的AP发送eMBMS会话；或，Determining, by the MCE, the AP according to the received area identifier, establishing a connection between the MCE and the determined AP, and sending an eMBMS session to the determined AP; or
所述MCE建立所述MCE和所述至少一个AP之间的连接，根据接收到区域标识确定接入点AP，并向所述确定的AP发送eMBMS会话。The MCE establishes a connection between the MCE and the at least one AP, determines an access point AP according to the received area identifier, and sends an eMBMS session to the determined AP.
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，还包括接入控制器(access controller，AC)，In conjunction with the first aspect or the first possible implementation of the first aspect, in a second possible implementation of the first aspect, the access controller (AC) is further included.
所述MCE，用于根据接收到的区域标识确定AP，并向所述确定的AP发送eMBMS会话，包括：The MCE is configured to determine an AP according to the received area identifier, and send an eMBMS session to the determined AP, including:
所述MCE，用于根据接收到的区域标识确定AC，并向所述确定的AC发送eMBMS会话，所述确定的AC根据所述区域标识确定AP，并向所述确定的AP分发eMBMS会话。The MCE is configured to determine an AC according to the received area identifier, and send an eMBMS session to the determined AC, where the determined AC determines an AP according to the area identifier, and distributes an eMBMS session to the determined AP.
结合第一方面或第一方面的第一或第二种可能的实现方式，在第一方面的第三种可能的实现方式中，所述MCE保存有业务区域列表，所述MCE匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AP。With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the MCE saves a service area list, where the MCE matches the service The area list and the received area identifier determine the AP that needs to receive the eMBMS session.
结合第一方面或第一方面的第一或第二种可能的实现方式，在第一方面的第四种可能的实现方式中，所述AP保存有业务区域列表，所述AP将所述业务区域列表上报给所述MCE，所述MCE匹配所述业务区域列表和接收到的区域标识，确定要接收eMBMS会话的AP。With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a fourth possible implementation manner of the foregoing aspect, the AP saves a service area list, and the AP sends the service The area list is reported to the MCE, and the MCE matches the service area list and the received area identifier to determine an AP to receive an eMBMS session.
结合第一方面的第二种可能的实现方式，在第一方面的第五种可能的实现方式中，所述AC保存有业务区域列表，所述AC将所述业务区域列表上报给所述MCE，所述MCE匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AC。In conjunction with the second possible implementation of the first aspect, in a fifth possible implementation manner of the first aspect, the AC saves a service area list, and the AC reports the service area list to the MCE And the MCE matches the service area list and the received area identifier, and determines an AC that needs to receive an eMBMS session.
结合第一方面或第一方面的第一至第五任一种可能的实现方式，在第一方面的第六种可能的实现方式中，当所述MCE接收到的区域标识确定有AP和eNB时，所述MCE确定只向所述确定的AP发送eMBMS会话。With reference to the first aspect or the first to fifth possible implementation manners of the first aspect, in a sixth possible implementation manner of the first aspect, when the area identifier that is received by the MCE is determined to be an AP and an eNB The MCE determines to send an eMBMS session only to the determined AP.
结合第一方面的第六种可能的实现方式，在第一方面的第七种可能的实现方式中，所述MCE根据接收到的区域标识确定有AP和eNB时，所述MCE确定只向所述确定的AP发送eMBMS会话，包括： With reference to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner of the foregoing aspect, when the MCE determines that the AP and the eNB are determined according to the received area identifier, the MCE determines that only the The determined AP sends an eMBMS session, including:
所述MCE根据接收到的区域标识确定有AP和eNB时，其所述确定的AP和所述确定的eNB对应相同的业务区域，所述MCE确定只向所述确定的AP发送eMBMS会话。When the MCE determines that there is an AP and an eNB according to the received area identifier, the determined AP and the determined eNB correspond to the same service area, and the MCE determines to send only the eMBMS session to the determined AP.
结合第一方面或第一方面的第一至第七任一种可能的实现方式，在第一方面的第八种可能的实现方式中，所述AP，还用于在空口广播频道信息。With reference to the first aspect, or any one of the first to the seventh possible implementation manners of the first aspect, in the eighth possible implementation manner of the first aspect, the AP is further configured to broadcast channel information in an air interface.
结合第一方面或第一方面的第一至第八任一种可能的实现方式，在第一方面的第九种可能的实现方式中，所述UE，用于接收所述AP在空口广播的频道信息，并解析所述频道信息。With reference to the first aspect, or any one of the first to the eighth possible implementation manners of the first aspect, in the ninth possible implementation manner of the first aspect, Channel information and parsing the channel information.
结合第一方面的第九种可能的实现方式，在第一方面的第十种可能的实现方式中，所述UE，还用于在所属解析获得的频道上接收所述AP发送的多播包，并解析所述多播包。With reference to the ninth possible implementation manner of the first aspect, in a tenth possible implementation manner of the first aspect, the UE is further configured to receive, by using a channel obtained by the parsing, a multicast packet sent by the AP And parsing the multicast packet.
第二方面，提供一种MCE，包括：接收单元，处理单元，发送单元，In a second aspect, an MCE is provided, including: a receiving unit, a processing unit, and a sending unit,
所述接收单元，用于接收MME发送的eMBMS会话，所述eMBMS会话中携带区域标识；The receiving unit is configured to receive an eMBMS session sent by the MME, where the eMBMS session carries an area identifier;
所述处理单元，用于根据接收到的所述区域标识确定需要接收eMBMS会话的AP；The processing unit is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session;
所述发送单元，用于向所述确定的AP发送eMBMS会话。The sending unit is configured to send an eMBMS session to the determined AP.
结合第二方面，在第二方面的第一种可能的实现方式中，所述处理单元还用于：In conjunction with the second aspect, in a first possible implementation of the second aspect, the processing unit is further configured to:
所述处理单元根据所述接收单元接收到的所述区域标识，确定接收eMBMS会话的AC，以便所述AC根据AP列表确定需要接收eMBMS会话的AP。The processing unit determines, according to the area identifier received by the receiving unit, an AC that receives an eMBMS session, so that the AC determines, according to the AP list, an AP that needs to receive an eMBMS session.
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，还包括存储单元，所处存储单元，用于存储业务区域列表，所述处理单元匹配所述业务区域列表和所述接收到的区域标识，确定需要接收eMBMS会话的AP。With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the method further includes a storage unit, where the storage unit is configured to store a service area list, The processing unit matches the service area list and the received area identifier, and determines an AP that needs to receive an eMBMS session.
结合第二方面，在第二方面的第三种可能的实现方式中，所述接收单元，还用于接收所述AP上报的业务区域列表，所述处理单元匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AP。 With reference to the second aspect, in a third possible implementation manner of the second aspect, the receiving unit is further configured to receive a service area list that is reported by the AP, where the processing unit matches the service area list and receives the The area ID identifies the AP that needs to receive the eMBMS session.
结合第二方面的第一种可能的实现方式，在第二方面的第四种可能的实现方式中，所述接收单元，还用于接收所述AC上报的业务区域列表，所述处理单元匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AC。With reference to the first possible implementation manner of the second aspect, in a fourth possible implementation manner of the second aspect, the receiving unit is further configured to receive a service area list that is reported by the AC, where the processing unit matches The service area list and the received area identifier determine an AC that needs to receive an eMBMS session.
结合第二方面或第二方面的第一至第四任一种可能的实现方式，在第二方面的第五种可能的实现方式中，所述确定单元，还用于当接收到的区域标识确定有AP和eNB时，确定只向所述确定的AP发送eMBMS会话。With reference to the second aspect, the first to the fourth possible implementation manner of the second aspect, in the fifth possible implementation manner of the second aspect, the determining unit is further configured to: when the received area identifier When it is determined that there is an AP and an eNB, it is determined that only the eMBMS session is sent to the determined AP.
结合第二方面的第五种可能的实现方式，在第二方面的第六种可能的实现方式中，所述确定单元当接收到的区域标识确定有AP和eNB时，确定只向所述确定的AP发送eMBMS会话，包括：With reference to the fifth possible implementation manner of the second aspect, in a sixth possible implementation manner of the second aspect, the determining, when the received area identifier determines that the AP and the eNB are determined, determining that only the determining The AP sends an eMBMS session, including:
所述确定单元当接收到的区域标识确定有AP和eNB时，其所述确定的AP和所述确定的eNB对应有相同的业务区域，所述确定单元确定只向所述确定的AP发送eMBMS会话。The determining unit, when the received area identifier determines that there is an AP and an eNB, the determined AP and the determined eNB correspond to the same service area, and the determining unit determines to send only the eMBMS to the determined AP. Conversation.
第三方面，提供一种接入点AP，包括：接收单元，处理单元和广播单元；A third aspect provides an access point AP, including: a receiving unit, a processing unit, and a broadcast unit;
所述接收单元，用于接收MCE或AC发送的eMBMS会话，所述eMBMS会话携带多播地址标识；The receiving unit is configured to receive an eMBMS session sent by the MCE or the AC, where the eMBMS session carries a multicast address identifier;
所述处理单元，用于根据所述多播地址标识建立与MBMS-GW的连接；The processing unit is configured to establish a connection with the MBMS-GW according to the multicast address identifier;
所述接收单元，还用于从所述MBMS-GW接收多播包；The receiving unit is further configured to receive a multicast packet from the MBMS-GW;
所述广播单元，用于将接收的所述多播包在空口进行广播。The broadcast unit is configured to broadcast the received multicast packet on an air interface.
结合第三方面，在第三方面的第一种可能的实现方式中，还包括存储单元，With reference to the third aspect, in a first possible implementation manner of the third aspect,
所述存储单元，用于存储业务区域列表，以便于所述MCE匹配所述业务区域列表和所述多播区域标识，确定需要接收eMBMS会话的AP。The storage unit is configured to store a service area list, so that the MCE matches the service area list and the multicast area identifier, and determines an AP that needs to receive an eMBMS session.
结合第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，所述发送单元，还用于将所述存储单元存储的业务区域列表上报给MCE。In conjunction with the first possible implementation of the third aspect, in a second possible implementation manner of the third aspect, the sending unit is further configured to report the service area list that is stored by the storage unit to the MCE.
结合第三方面或第三方面的第一或第二种可能的实现方式，在第三方面的第三种可能的实现方式中，所述广播单元，还用于在WIFI空口广播 频道信息。In conjunction with the third aspect or the first or second possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, the broadcast unit is further configured to broadcast in a WIFI air interface Channel information.
第四方面，提供一种接入控制器AC，包括：接收单元和处理单元，In a fourth aspect, an access controller AC is provided, including: a receiving unit and a processing unit,
所述接收单元，用于接收MCE发送的eMBMS会话，所述eMBMS会话携带区域标识；The receiving unit is configured to receive an eMBMS session sent by the MCE, where the eMBMS session carries an area identifier;
所述处理单元，用于根据所述区域标识确定需要接收会话的AP；The processing unit is configured to determine, according to the area identifier, an AP that needs to receive a session;
所述发送单元，用于向确定需要接收会话的AP分发eMBMS会话。The sending unit is configured to distribute an eMBMS session to an AP that determines that a session needs to be received.
结合第四方面，在第四方面的第一种可能的实现方式中，还包括存储单元，With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect,
所述存储单元，用于存储业务区域列表；The storage unit is configured to store a service area list;
所述发送单元，还用于将所述业务区域列表发送给MCE。The sending unit is further configured to send the service area list to the MCE.
结合第四方面或第四方面的第一种可能的实现方式，在第四方面的第二种可能的实现方式中，所述处理单元，还用于根据所述eMBMS会话中携带的多播地址标识建立与MBMS-GW的连接；With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the processing unit is further configured to: according to the multicast address carried in the eMBMS session The identity establishes a connection with the MBMS-GW;
所处接收单元，还用于从所述eMBMS接收多播包。The receiving unit is further configured to receive a multicast packet from the eMBMS.
结合第四方面的第二种可能的实现方式，在第四方面的第三种可能的实现方式中，所述发送单元，还用于将所述多播包发送给确定的所述AP。In conjunction with the second possible implementation of the fourth aspect, in a third possible implementation manner of the fourth aspect, the sending unit is further configured to send the multicast packet to the determined AP.
第五方面，提供一种UE，用于支持通过WIFI接收eMBMS广播，其特征在于，包括接收单元，处理单元和显示单元；A fifth aspect, a UE is provided for supporting receiving an eMBMS broadcast by using a WIFI, and is characterized by comprising: a receiving unit, a processing unit, and a display unit;
所述接收单元，用于接收AP广播的频道信息；The receiving unit is configured to receive channel information broadcast by the AP;
所述处理单元，用于解析接收的所述频道信息；The processing unit is configured to parse the received channel information;
所述显示单元，用于显示解析的频道信息。The display unit is configured to display the parsed channel information.
结合第五方面，在第五方面的第一种可能的实现方式中，所述接收单元，还用于接收AP发送的多播包；With reference to the fifth aspect, in a first possible implementation manner of the fifth aspect, the receiving unit is further configured to receive a multicast packet sent by the AP;
所述处理单元，还用于解析所述多播包；The processing unit is further configured to parse the multicast packet;
所述显示单元，还用于解析多播包所呈现的频道内容。The display unit is further configured to parse channel content presented by the multicast package.
本发明实施例中提供的多媒体广播多播***，包括多媒体广播业务网关MBMS-GW，多小区多播协作实体MCE和接入点AP。MCE从MME接收携带区域标识的会话消息，根据该区域标识确定需要接收会话消息的 AC并向该AC发送会话消息，AC确定需要接收会话消息的AP并向AP发送会话消息，AP根据接收到的会话消息建立与MBMS-GW的连接，并从MBMS-GW接收多播包，经AP解析后在空口广播。实施本发明实施例能够使用户设备通过WIFI来实现eMBMS业务，进而保持eMBMS业务的连续性。The multimedia broadcast multicast system provided in the embodiment of the present invention includes a multimedia broadcast service gateway MBMS-GW, a multi-cell multicast cooperative entity MCE, and an access point AP. The MCE receives the session message carrying the area identifier from the MME, and determines, according to the area identifier, that the session message needs to be received. The AC sends a session message to the AC, and the AC determines the AP that needs to receive the session message and sends a session message to the AP. The AP establishes a connection with the MBMS-GW according to the received session message, and receives the multicast packet from the MBMS-GW. After the AP is parsed, it is broadcast on the air interface. The embodiment of the present invention can enable the user equipment to implement the eMBMS service through the WIFI, thereby maintaining the continuity of the eMBMS service.
附图说明DRAWINGS
为了更清楚地说明本发明实施例的技术方案，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发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.
图1为背景技术中eMBMS的逻辑架构图；1 is a logical architecture diagram of an eMBMS in the background art;
图2-1为本发明实施例提供的一种多媒体广播多播业务***的结构示意图；2-1 is a schematic structural diagram of a multimedia broadcast multicast service system according to an embodiment of the present invention;
图2-2为本发明实施例提供的另一种多媒体广播多播业务***的示意图；2-2 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention;
图3为本发明实施例提供的一种多媒体广播多播业务***的流程示意图；FIG. 3 is a schematic flowchart of a multimedia broadcast multicast service system according to an embodiment of the present disclosure;
图4为本发明实施例提供的另一种多媒体广播多播业务***的示意图；4 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention;
图5为本发明实施例提供的另一种多媒体广播多播业务***的流程示意图；FIG. 5 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure;
图6-1为本发明实施例提供的另一种多媒体广播多播业务***的示意图；6-1 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention;
图6-2为本发明实施例提供的另一种多媒体广播多播业务***的示意图；FIG. 6-2 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present invention;
图7为本发明实施例提供的另一种多媒体广播多播业务***的示意图； FIG. 7 is a schematic diagram of another multimedia broadcast multicast service system according to an embodiment of the present disclosure;
图8为本发明实施例提供的另一种多媒体广播多播业务***的流程示意图；FIG. 8 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure;
图9为本发明实施例提供的另一种多媒体广播多播业务***的流程示意图；FIG. 9 is a schematic flowchart of another multimedia broadcast multicast service system according to an embodiment of the present disclosure;
图10为本发明实施例提供的一种MCE的结构示意图；FIG. 10 is a schematic structural diagram of an MCE according to an embodiment of the present disclosure;
图11为本发明实施例提供的一种AC的结构示意图；FIG. 11 is a schematic structural diagram of an AC according to an embodiment of the present disclosure;
图12为本发明实施例提供的一种AP的结构示意图；FIG. 12 is a schematic structural diagram of an AP according to an embodiment of the present disclosure;
图13为本发明实施例提供的一种UE的结构示意图；FIG. 13 is a schematic structural diagram of a UE according to an embodiment of the present disclosure;
图14为本发明实施例提供的另一种MCE的结构示意图；FIG. 14 is a schematic structural diagram of another MCE according to an embodiment of the present disclosure;
图15为本发明实施例提供的另一种AC的结构示意图；FIG. 15 is a schematic structural diagram of another AC according to an embodiment of the present disclosure;
图16为本发明实施例提供的另一种AP的结构示意图；FIG. 16 is a schematic structural diagram of another AP according to an embodiment of the present disclosure;
图17为本发明实施例提供的另一种UE的结构示意图；FIG. 17 is a schematic structural diagram of another UE according to an embodiment of the present disclosure;
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例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发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例，都属于本发明保护的范围。The technical solutions of the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
实施例一 Embodiment 1
本发明实施例提供一种广播***，如图2-1所示，包括，MBMS-GW，MCE，接入点(access point，AP)和接入控制器(access controller，AC)；MCE接收MME发送的会话消息，根据该会话消息中的区域标识确定要接收会话消息的AC，MCE与AC之间可以通过M2接口进行通信；AC接收MCE发送的会话消息，根据会话消息确定要接收会话的AP，AC和AP之间可以通过CAPWAP协议或者私有协议接口进行通信；AP接收AC发送的会话消息后，建立与MBMS-GW间的连接，并从MBMS-GW接收多播包，AP与MBMS-GW之间可以通过M1接口进行通信；AP接收到多 播包后，在WIFI空口广播。其中M1接口、M2接口可以遵循现有3GPP协议。The embodiment of the present invention provides a broadcast system, as shown in FIG. 2-1, including an MBMS-GW, an MCE, an access point (AP), and an access controller (AC); The sent session message determines the AC to receive the session message according to the area identifier in the session message, and the MCE and the AC can communicate through the M2 interface; the AC receives the session message sent by the MCE, and determines the AP to receive the session according to the session message. The AC and the AP can communicate through the CAPWAP protocol or the private protocol interface. After receiving the session message sent by the AC, the AP establishes a connection with the MBMS-GW and receives the multicast packet from the MBMS-GW. The AP and the MBMS-GW Communication can be performed through the M1 interface; the AP receives more After the broadcast, broadcast on the WIFI air interface. The M1 interface and the M2 interface can follow the existing 3GPP protocol.
本发明实施例提供的广播***具体可以实现如图3所示的流程：The broadcast system provided by the embodiment of the present invention may specifically implement the process shown in FIG. 3:
如图3中301所示，MCE接收MME发送的会话消息，例如session start request，该会话消息中携带区域标识(如果会话消息中携带多个区域标识，可以区域列表的形式表现)，MCE根据该接收到的区域标识确定要接收会话消息的AC，并向这些确定的AC发送会话消息。可以理解的是，MCE可以与多个AC相互通信，图中以一个AC为例来进行说明。As shown in FIG. 3, the MCE receives a session message sent by the MME, for example, a session start request, where the session message carries an area identifier (if the session message carries multiple area identifiers, which can be expressed in the form of a region list), the MCE according to the The received area identification determines the AC to receive the session message and sends a session message to these determined ACs. It can be understood that the MCE can communicate with multiple ACs, and an AC is taken as an example for illustration.
上述MCE接收到的区域标识可用于标识eMBMS业务区。eMBMS业务区指eMBMS业务发送的地理区域范围，如果多个eMBMS业务发送的地理区域范围相同，则这些eMBMS业务可以使用相同的区域标识。eMBMS业务区可以是一个具有共同特征的区域，比如：世博园，大型商场，机场等。一个eMBMS业务可以被发送到多个eMBMS业务区。网络运维人员可以为全网小区划分多个区域标识，圈定多个区域标识组成一个eMBMS业务区。The area identifier received by the MCE may be used to identify the eMBMS service area. The eMBMS service area refers to the geographical area range sent by the eMBMS service. If multiple eMBMS services send the same geographical area, these eMBMS services can use the same area identifier. The eMBMS service area can be an area with common characteristics, such as the Expo Park, large shopping malls, airports, etc. An eMBMS service can be sent to multiple eMBMS service areas. The network operation and maintenance personnel can divide multiple area identifiers for the whole network cell and circle multiple area identifiers to form an eMBMS service area.
在301中，MCE根据接收到的区域标识确定要接收会话消息的AC，可以有多种实现方式，其中，第一种实现方式包括：In 301, the MCE determines, according to the received area identifier, the AC to receive the session message, which may be implemented in multiple manners. The first implementation manner includes:
MCE根据接收到的从MME发来的会话消息中携带的区域标识，查询业务区域和AC的对应关系表，业务区域可以为区域标识所标识的区域的集合，从而确定要接收会话的AC。具体的，比如，MCE根据MME发来的会话消息中携带的区域标识，获知该区域标识所标识的业务区域，基于所获知的业务区域，根据业务区域和AC的对应关系，进而确定需要接收会话的AC。其中业务区域和AC的对应关系表为业务区域和AC之间对应关系的一种表现形式，也可以为其他形式，此处以对应关系表为例来说明。The MCE queries the corresponding relationship table between the service area and the AC according to the received area identifier carried in the session message sent from the MME. The service area may be a set of the area identified by the area identifier, thereby determining the AC to receive the session. Specifically, for example, the MCE learns the service area identified by the area identifier according to the area identifier carried in the session message sent by the MME, and determines the need to receive the session according to the obtained service area based on the corresponding relationship between the service area and the AC. AC. The correspondence between the service area and the AC is a representation of the correspondence between the service area and the AC. It can also be in other forms. The correspondence table is used as an example.
上述业务区域和AC的对应关系表可以保存在MCE中；也可以保存在网络中其他位置，需要的时候，MCE可以通过信令消息获取该业务区域和AC的对应关系表，或者MCE通过信令消息向保存在网络中其他位置的该业务区域和AC的对应关系表查询。该业务区域和AC的对应关系表可以通过如下方式生成，比如，如图3中3012所示：MCE根据AP可用的 业务区域列表，以及AP和AC的归属关系，生成业务区域和AC的对应关系表。The corresponding relationship table between the service area and the AC may be stored in the MCE; or may be stored in other locations in the network. When required, the MCE may obtain a correspondence table between the service area and the AC through a signaling message, or the MCE passes the signaling. The message is queried to the correspondence table of the service area and the AC stored in other locations in the network. The corresponding relationship table between the service area and the AC may be generated by, for example, as shown by 3012 in FIG. 3: the MCE is available according to the AP. The service area list, and the affiliation relationship between the AP and the AC, generates a correspondence table between the service area and the AC.
可选的，MCE还可以根据AC和SCTP链接的对应关系，AP可用的业务区域列表，以及AP和AC的归属关系，生成业务区域和AC的对应关系表。Optionally, the MCE may further generate a correspondence table between the service area and the AC according to the correspondence between the AC and the SCTP link, the service area list that the AP can use, and the affiliation relationship between the AP and the AC.
MCE可以通过如下方式实现获得AP和AC的归属关系：The MCE can obtain the affiliation relationship between the AP and the AC in the following manner:
如图3中3011所示，AC启动后，和MCE建立连接，例如AC和MCE可以建立流控制传输协议(Stream Control Transmission Protocol，SCTP)连接，AC和MCE建立连接后，AC通过消息，例如setup request消息，上报AC管理的AP列表，MCE根据AC上报消息中携带的AC管理的AP列表，生成AP和AC的归属关系表，此处以归属关系表为例来表示AP和AC间的关系，具体实现形式不做限定。As shown in Figure 30, after the AC is started, the AC is connected to the MCE. For example, the AC and the MCE can establish a Stream Control Transmission Protocol (SCTP) connection. After the AC and the MCE establish a connection, the AC passes the message, for example, setup. The request message is reported to the AP-managed AP list, and the MCE generates an affiliation relationship between the AP and the AC according to the AP-managed AP list carried in the AC report message. The affiliation table is used as an example to indicate the relationship between the AP and the AC. The implementation form is not limited.
可选的，AP可用的业务区域列表，可以在MCE中预先配置，也可以是AC上报给MCE，例如，AC通过setup request消息，将AC配置的业务区域列表上报给MCE。Optionally, the service area list that can be used by the AP can be pre-configured in the MCE, or the AC can be reported to the MCE. For example, the AC reports the service area list configured by the AC to the MCE through the setup request message.
在301中，MCE根据接收到的区域标识确定要接收会话消息的AC，第二种实现方式包括：In 301, the MCE determines the AC to receive the session message according to the received area identifier, and the second implementation manner includes:
MCE接收MME发送的携带有区域标识的会话消息，确定要接收会话的AC，然后再与这些AC建立连接。The MCE receives the session message that is sent by the MME and carries the area identifier, determines the AC to receive the session, and then establishes a connection with the AC.
具体实现过程参考第一种方式，区别在于，第二种实现方式中，MCE先根据区域标识确定要接收会话的AC后，再和这些确定的AC去建立连接，具体实现过程在第一种方式已经有详细描述，此处不再赘述。The specific implementation process refers to the first mode. The difference is that, in the second implementation manner, the MCE first determines the AC to receive the session according to the area identifier, and then establishes a connection with the determined AC. The specific implementation process is in the first manner. It has been described in detail and will not be described here.
MCE确定了要接收会话消息的AC后，向这些确定的AC分发会话消息。After the MCE determines the AC to receive the session message, it distributes the session message to these determined ACs.
如果MCE根据从MME接收的会话消息中携带的区域标识查询业务区域和AC的对应关系表，确定查询到业务区域有对应的AC，则确定向这些AC分发会话消息，具体的，MCE通过M2接口向该对应的AC分发会话消息，可选的，MCE在向AC分发的会话消息中携带有AC再分发的AP列表； If the MCE queries the corresponding AC of the service area and the AC according to the area identifier carried in the session message received from the MME, and determines that the corresponding AC is queried to the service area, it is determined that the session message is distributed to the AC. Specifically, the MCE passes the M2 interface. Distributing a session message to the corresponding AC. Optionally, the MCE carries the AP list of the AC redistribution in the session message that is distributed to the AC.
如图3中302所示，AC接收MCE分发的会话消息，确定要接收会话消息的AP，并向这些AP分发会话消息；As shown in 302 of FIG. 3, the AC receives the session message distributed by the MCE, determines the APs to receive the session message, and distributes the session message to the APs;
具体的，MCE向确定的AC发送session start request消息，消息中携带接收该消息的AC所管理的AP列表，AC根据该AP列表确定要接收会话消息的AP，并向确定的这些AP分发会话消息。Specifically, the MCE sends a session start request message to the determined AC, where the message carries the AP list managed by the AC receiving the message, and the AC determines the AP to receive the session message according to the AP list, and distributes the session message to the determined APs. .
可选的，AC可以根据MCE发送的会话消息中携带的业务区域列表查询配置的AP可用的业务区域列表，确定要接收会话的AP，并向这些AP分发会话消息。具体的，比如，AC根据MCE发送的会话消息中携带的业务区域信息，确定需要接收MBMS业务的区域，再根据AC侧所了解的可用的AP的业务区域，确定哪些AP位于需要接收MBMS业务的区域，从而确定需要接收会话的AP，并向这些AP分发会话消息。Optionally, the AC may query the configured service area list of the configured AP according to the service area list carried in the session message sent by the MCE, determine the APs to receive the session, and distribute the session message to the APs. Specifically, the AC determines, according to the service area information carried in the session message sent by the MCE, the area that needs to receive the MBMS service, and then determines which APs are required to receive the MBMS service according to the service area of the available AP that the AC side knows. The area, thereby determining the APs that need to receive the session, and distributing session messages to these APs.
如图3中303所示，AP接收AC分发会话消息，根据会话消息中携带的多播地址标识，建立所述AP和MBMS-GW之间的连接，并从MBMS-GW接收多播包；As shown in 303 of FIG. 3, the AP receives the AC distribution session message, establishes a connection between the AP and the MBMS-GW according to the multicast address identifier carried in the session message, and receives the multicast packet from the MBMS-GW.
具体的，比如，AP收到AC分发的会话消息后，记录会话消息中携带的TMGI(temporary mobile group identity，临时移动组标识)和用户面多播IP地址对应关系，其中TMGI是eMBMS中用来唯一标识组播与广播承载服务的标识，并根据会话携带的用户面多播IP地址加入多播组，AP和MBMS-GW之间通过M1接口进行通信。AP通过M1接口从MBMS-GW接收多播包。AP可以周期性的在空口广播频道信息，以便UE接收AP广播的频道信息。Specifically, for example, after receiving the session message distributed by the AC, the AP records the correspondence between the TMGI (temporary mobile group identity) and the user plane multicast IP address carried in the session message, where the TMGI is used in the eMBMS. An identifier that uniquely identifies the multicast and broadcast bearer service, and joins the multicast group according to the user plane multicast IP address carried in the session, and the AP and the MBMS-GW communicate through the M1 interface. The AP receives the multicast packet from the MBMS-GW through the M1 interface. The AP may periodically broadcast channel information on the air interface, so that the UE receives the channel information broadcast by the AP.
可选的，如图2-2所示，可以建立AC和MBMS-GW之间连接，具体可以通过M1接口来实现，此时AC记录会话消息中携带的TMGI和用户面多播IP地址对应关系，将用户面多播IP地址加入M1接口。AC通过M1接口从MBMS-GW接收多播包，然后将接收到的广播数据分发到指定AP。Optionally, as shown in Figure 2-2, the connection between the AC and the MBMS-GW can be established. The M1 interface can be used to implement the mapping between the TMGI and the user-side multicast IP address carried in the AC. Add the user-side multicast IP address to the M1 interface. The AC receives the multicast packet from the MBMS-GW through the M1 interface, and then distributes the received broadcast data to the designated AP.
进一步的，AP从MBMS-GW接收到多播包后，将接收到的多播包进行处理后在WIFI空口广播。 Further, after receiving the multicast packet from the MBMS-GW, the AP processes the received multicast packet and broadcasts it on the WIFI air interface.
具体的，当AP收到多播包后，剥离GTPU和Sync头获取净荷IP包，并在WIFI空口广播净荷IP包；同时记录净荷IP包多播地址和TMGI的对应关系，AP汇总本AP所有MBMS Session的对应关系并在配置的指定IP多播组上广播。Specifically, after receiving the multicast packet, the AP strips the GTPU and the Sync header to obtain the payload IP packet, and broadcasts the payload IP packet in the WIFI air interface; and simultaneously records the correspondence between the payload IP packet multicast address and the TMGI, and the AP summary The correspondence between all MBMS sessions of the AP is broadcast on the specified IP multicast group configured.
通过上述实施例提供的广播***，UE可以通过WIFI来接收eMBMS业务。对于不支持WIFI和LTE并发的UE，即UE不能同时支持通过WIFI接收eMBMS业务和通过LTE网络接收eMBMS业务；或尽管UE支持WIFI和LTE并发，但该UE进入LTE弱覆盖区域时，UE都会终止通过LTE网络接收eMBMS业务，转而接入WIFI来接收eMBMS业务，此时，因为本发明实施例提供了一种可以通过WIFI来实现eMBMS的广播***，UE可以在进入WIFI覆盖区域后实现eMBMS业务，或UE从LTE覆盖区域进入WIFI覆盖区域时，保持eMBMS业务的连续性。Through the broadcast system provided by the foregoing embodiment, the UE can receive the eMBMS service through the WIFI. For a UE that does not support WIFI and LTE concurrent, that is, the UE cannot simultaneously support receiving eMBMS service through WIFI and receiving eMBMS service through LTE network; or although the UE supports WIFI and LTE concurrent, when the UE enters LTE weak coverage area, the UE terminates Receiving the eMBMS service through the LTE network, and accessing the WIFI to receive the eMBMS service. In this case, the embodiment of the present invention provides a broadcast system that can implement eMBMS through WIFI, and the UE can implement the eMBMS service after entering the WIFI coverage area. Or, when the UE enters the WIFI coverage area from the LTE coverage area, the continuity of the eMBMS service is maintained.
实施例二 Embodiment 2
本发明实施例提供另一种多媒体广播多播业务***，包括，如图4所示，MBMS-GW，MCE，和AP；其中，MCE确定要接收会话的AP并向AP分发会话消息，MCE和AP之间通过M2接口进行通信；AP从MBMS-GW接收多播包并在空口广播，AP与MBMS-GW之间通过M1接口进行通信，其中M1接口、M2接口遵循3GPP协议。本发明实施例提供的广播***具体可以实现如图5所示的方法步骤。An embodiment of the present invention provides another multimedia broadcast multicast service system, including, as shown in FIG. 4, an MBMS-GW, an MCE, and an AP. The MCE determines that the AP to receive the session and distributes the session message to the AP, the MCE and the The APs communicate with each other through the M2 interface. The AP receives the multicast packets from the MBMS-GW and broadcasts them on the air interface. The AP communicates with the MBMS-GW through the M1 interface. The M1 interface and the M2 interface comply with the 3GPP protocol. The broadcast system provided by the embodiment of the present invention may specifically implement the method steps shown in FIG. 5.
该实施例提供的广播***和实施例一中提供的广播***的区别在于，本实施例中只包括AP，而没有包括AC。本实施例中的AP的功能集合了实施例一中的AC和AP的功能。具体实现广播的过程如下：The difference between the broadcast system provided in this embodiment and the broadcast system provided in the first embodiment is that only the AP is included in the embodiment, and the AC is not included. The functions of the AP in this embodiment combine the functions of the AC and the AP in the first embodiment. The specific implementation of the broadcast process is as follows:
如图5中501所示，MCE接收MME发送的会话消息，该会话消息中携带区域标识，MCE根据接收到的区域标识确定AP，并向这些确定的AP发送会话消息；As shown in FIG. 5, the MCE receives the session message sent by the MME, where the session message carries the area identifier, and the MCE determines the AP according to the received area identifier, and sends a session message to the determined APs.
具体MCE确定要接收会话的AP过程可参考实施例一中MCE确定要接收会话的AC的过程；The specific MCE determines that the AP process to receive the session may refer to the process of determining, by the MCE in Embodiment 1, the AC to receive the session;
如图5中502所示，AP根据会话消息中携带的多播地址标识建立所 述确定的AP和所述MBMS-GW之间的连接，并从所述MBMS-GW接收多播包；As shown in 502 of FIG. 5, the AP establishes a location according to the multicast address identifier carried in the session message. Determining a connection between the determined AP and the MBMS-GW, and receiving a multicast packet from the MBMS-GW;
所述确定的AP，还用于将从所述MBMS-GW接收到的多播包在WIFI空口进行广播。The determined AP is further configured to broadcast the multicast packet received from the MBMS-GW in a WIFI air interface.
具体实现过程参考实施例一，此处不再赘述，本实施例中的AP可以实现实施例一中的AC和AP的功能。The specific implementation process refers to the first embodiment, and details are not described herein. The AP in this embodiment can implement the functions of the AC and the AP in the first embodiment.
通过上述实施例提供的广播***，UE可以通过WIFI来接收eMBMS业务。对于不支持WIFI和LTE并发的UE，即UE不能同时支持通过WIFI接收eMBMS业务和通过LTE网络接收eMBMS业务；或尽管UE支持WIFI和LTE并发，但该UE进入LTE弱覆盖区域时，UE都会终止通过LTE网络接收eMBMS业务，转而接入WIFI来接收eMBMS业务，此时，因为本发明实施例提供了一种WIFI广播***，UE可以在进入WIFI覆盖区域后实现eMBMS业务，或UE从LTE覆盖区域进入WIFI覆盖区域时，保持eMBMS业务的连续性。Through the broadcast system provided by the foregoing embodiment, the UE can receive the eMBMS service through the WIFI. For a UE that does not support WIFI and LTE concurrent, that is, the UE cannot simultaneously support receiving eMBMS service through WIFI and receiving eMBMS service through LTE network; or although the UE supports WIFI and LTE concurrent, when the UE enters LTE weak coverage area, the UE terminates Receiving the eMBMS service through the LTE network, and accessing the WIFI to receive the eMBMS service. In this case, the embodiment of the present invention provides a WIFI broadcast system, and the UE can implement the eMBMS service after entering the WIFI coverage area, or the UE covers the LTE. When the area enters the WIFI coverage area, the continuity of the eMBMS service is maintained.
实施例三 Embodiment 3
本发明实施例提供另一种多媒体广播多播业务***，包括，如图6-1，图6-2，MBMS-GW，MCE，AC，AP和eNB；本发明实施例在前述实施例的基础上，增加了基站(本实施例以eNB为例进行说明)，使得eMBMS业务可以通过基站来实现。其中，MCE根据区域标识确定eNB，MCE和eNB之间通过M2接口进行通信，eNB从MBMS-GW通过M1接口接收IP多播包，并在业务调度周期到达时，通过空口在指定的帧上下发业务。本发明实施例提供的广播***具体实现广播方式如图8所示。具体实现过程如下所示：The embodiment of the present invention provides another multimedia broadcast multicast service system, including, as shown in FIG. 6-1, FIG. 6-2, MBMS-GW, MCE, AC, AP, and eNB. The embodiment of the present invention is based on the foregoing embodiment. In the above, the base station is added (the eNB is taken as an example for description), so that the eMBMS service can be implemented by the base station. The MCE determines the eNB according to the area identifier, and the MCE and the eNB communicate through the M2 interface, and the eNB receives the IP multicast packet from the MBMS-GW through the M1 interface, and sends the IP packet through the air interface in the specified frame when the service scheduling period arrives. business. The broadcast mode of the broadcast system provided by the embodiment of the present invention is as shown in FIG. 8. The specific implementation process is as follows:
MCE接收MME发送的会话消息，会话消息中携带有区域标识。MCE根据区域标识确定是否有对应的AC或cell。The MCE receives the session message sent by the MME, and the session message carries the area identifier. The MCE determines whether there is a corresponding AC or cell according to the area identifier.
具体的，如图8中801所示，MCE根据接收到的区域标识确定是否有对应的AC，可以通过查询业务区域和AC的对应关系表，如查询有对应有AC，则向这些确定的AC分发会话消息，进而在确定要接收会话消息的 AP，通过WIFI实现eMBMS业务，具体实现过程如前述实施例所述，此处不再赘述。Specifically, as shown in 801 of FIG. 8, the MCE determines whether there is a corresponding AC according to the received area identifier, and can query the corresponding relationship table of the service area and the AC, and if the query has an AC, the determined AC is determined. Distribute session messages, which in turn determine that a session message is to be received The AP implements the eMBMS service through the WIFI. The specific implementation process is as described in the foregoing embodiment, and is not described here.
MCE还可以根据区域标识查询对应的eNB列表，从而确定要接收eMBMS会话的eNB，如果根据接收到的区域标识查询到业务区域有对应的cell，则向cell所属的eNB分发eMBMS会话。具体的，MCE根据eMBMS会话对应的业务QoS参数，判断MBSFN子帧资源池中的资源是否足够，如果足够则分配物理多播信道(physical multicast channel，PMCH)所需占用的资源，以及分配会话对应的LCID。MCE一方面通过Session Start流程，通知eNB建立对应的M1接口(eNB发送IGMP report消息申请建立MBMS GW到该eNB的组播路由)；另一方面，通过Scheduling Info流程，通知eNB预留对应的空口资源。eNB根据该空口资源配置，通过***消息通知UE，并将从MBMS GW收到的IP多播包解开，并缓存起来；当业务调度周期到达时，通过空口在指定的帧上下发业务，从而通过eNB实现eMBMS广播业务。The MCE may also query the corresponding eNB list according to the area identifier, so as to determine the eNB that is to receive the eMBMS session, and if the corresponding cell is found in the service area according to the received area identifier, the eMBMS session is distributed to the eNB to which the cell belongs. Specifically, the MCE determines, according to the service QoS parameter corresponding to the eMBMS session, whether the resources in the MBSFN subframe resource pool are sufficient, and if sufficient, allocates resources required for the physical multicast channel (PMCH), and allocates session correspondence. LCID. On the one hand, the MCE informs the eNB to establish a corresponding M1 interface through the Session Start process (the eNB sends an IGMP report message to request the establishment of the multicast routing of the MBMS GW to the eNB); on the other hand, the eNB is notified to reserve the corresponding air interface through the Scheduling Info process. Resources. The eNB notifies the UE by using a system message according to the air interface resource configuration, and unpacks and caches the IP multicast packet received from the MBMS GW. When the service scheduling period arrives, the eNB sends and receives services through the air interface in the specified frame. The eMBMS broadcast service is implemented by the eNB.
可选的，如图7所示，AC和AP可以集成一体，由单一AP实现AC的功能和AP的功能，具体实现方式如图9所示，在前述实施例已有详细论述，此处不再赘述。Optionally, as shown in FIG. 7 , the AC and the AP may be integrated, and the function of the AC and the function of the AP are implemented by a single AP. The specific implementation manner is as shown in FIG. 9 and has been discussed in detail in the foregoing embodiment. Let me repeat.
当MCE根据接收到的业务区域标识，查询到业务区域分别有对应的cell和AC时，则MCE可以分别向业务区域对应的eNB和AC分发会话，此时不同的UE可以分别通过WIFI和LTE作为承载来实现eMBMS业务。When the MCE queried the corresponding service cell and the AC according to the received service area identifier, the MCE can separately distribute the session to the eNB and the AC corresponding to the service area, and different UEs can use WIFI and LTE respectively. Bearer to implement eMBMS service.
具体以一个UE为例来说明，如果该UE只进入该实施例所示广播***的WIFI覆盖区域，那么该UE可以通过WIFI作为承载来实现eMBMS业务；如果该UE只进入该广播***的LTE覆盖区域，那么该UE可以通过LTE作为承载来实现eMBMS业务；如果该UE进入的区域同时有WIFI覆盖和LTE覆盖，即MCE分发的消息中携带的业务区域对应的AC和携带的业务区域对应的cell有重复的覆盖区域，而该UE进入该重复覆盖区域，那么对于支持WIFI业务和LTE业务并发的UE来说，UE可以通过LTE网络接收eMBMS业务，也可以通过WIFI网络接收更多其他的eMBMS业务内容，例如UE可以通过LTE网络接收CCTV1-CCTV5五个 频道，也可以通过WIFI网络接收CCTV11-CCTV14等其他不同的频道。Specifically, a UE is used as an example to illustrate that if the UE only enters the WIFI coverage area of the broadcast system shown in this embodiment, the UE can implement the eMBMS service by using the WIFI as the bearer; if the UE only enters the LTE coverage of the broadcast system. In the area, the UE can implement the eMBMS service by using the LTE as the bearer; if the UE enters the area, the WIFI coverage and the LTE coverage are simultaneously performed, that is, the AC corresponding to the service area carried in the MCE-distributed message and the cell corresponding to the carried service area. If there is a repeated coverage area, and the UE enters the repeated coverage area, the UE can receive the eMBMS service through the LTE network, or receive other eMBMS services through the WIFI network, for the UE that supports the WIFI service and the LTE service. Content, for example, the UE can receive five CCTV1-CCTV5 through the LTE network. The channel can also receive other different channels such as CCTV11-CCTV14 through the WIFI network.
WIFI覆盖可以作为eMBMS的异频覆盖区域，基于WIFI覆盖范围可以灵活定制小区域的广播业务，因此，用户可以在WIFI的覆盖区域通过UE实现更多的区域化节目内容。The WIFI coverage can be used as the inter-frequency coverage area of the eMBMS. The WIFI coverage can flexibly customize the broadcast service of the small area. Therefore, the user can implement more regionalized program content through the UE in the coverage area of the WIFI.
对于不支持WIFI业务和LTE业务并发的UE来说，当UE单独进入WIFI网络时可以通过WIFI接收eMBM广播业务；当UE单独进入LTE网络时可以通过LTE网络接收eMBM广播业务；当UE进入WIFI网络和LTE网络共同覆盖区域时，UE会选择优先接入WIFI网络，从而可以通过WIFI的网络接收eMBMS业务。For a UE that does not support the WIFI service and the LTE service concurrently, the UE can receive the eMBM broadcast service through the WIFI when the UE enters the WIFI network separately; when the UE enters the LTE network separately, the eMBM broadcast service can be received through the LTE network; when the UE enters the WIFI network When the LTE network shares the area, the UE selects the WIFI network preferentially, so that the eMBMS service can be received through the WIFI network.
可选的，当消息中携带的业务区域分别有对应的AC和cell时，MCE可以选择只给对应的AC分发会话，使得UE可以只通过AC所属的AP来接收eMBMS业务，即通过WIFI来实现eMBMS业务，具体实现方式参考前述实施例，此处不再赘述。Optionally, when the service area carried in the message has a corresponding AC and a cell, the MCE may choose to only send the session to the corresponding AC, so that the UE can receive the eMBMS service only through the AP to which the AC belongs, that is, the WIFI is implemented by using the WIFI. For the specific implementation of the eMBMS service, refer to the foregoing embodiment, and details are not described herein again.
可选的，当消息中携带的业务区域分别有对应的AC和cell时，且当对应AC的业务区域和对应cell的业务区域重叠时，MCE也可以只给对应的AC分发会话，使得UE可以只通过AC所属的AP来接收eMBMS业务。当然，MCE也可以只选择通过eNB来实现eMBMS业务。Optionally, when the service area carried in the message has a corresponding AC and a cell, and the service area of the corresponding AC overlaps with the service area of the corresponding cell, the MCE may also only distribute the session to the corresponding AC, so that the UE may The eMBMS service is received only through the AP to which the AC belongs. Of course, the MCE can also choose to implement the eMBMS service only through the eNB.
以上无论是通过只布局了WIFI作为承载来实现eMBMS业务的结构，如图2-1，图2-2，图4所示；还是虽然布局了可以通过WIFI和LTE网络来分别作为承载来实现eMBMS业务的结构，如图6-1，图6-2，图7所示，但只选择通过WIFI作为承载来实现eMBMS业务，在结果上都实现UE可以只通过WIFI承载来实现eMBMS业务，可以理解为WIFI only场景。典型场景如体育馆等用户密级场所，通过此方案，可以使得eMBMS业务可以通过WIFI覆盖区域展开，而在LTE网络中可以不提供eMBMS业务。一方面对于不支持WIFI业务和LTE业务并发的UE来说，可以通过WIFI来接收eMBMS业务；即使对于支持WIFI业务和LTE业务并发的UE来说，UE也可以仅通过WIFI来接收eMBMS业务。The above is the structure of the eMBMS service by arranging only WIFI as the bearer, as shown in Figure 2-1, Figure 2-2, Figure 4; or although the layout can be implemented as a bearer to implement eMBMS through WIFI and LTE networks respectively. The structure of the service is as shown in Figure 6-1, Figure 6-2, and Figure 7. However, only the WIFI is used as the bearer to implement the eMBMS service. In the result, the UE can implement the eMBMS service only through the WIFI bearer. For WIFI only scenes. Typical scenarios, such as stadiums and other user-level locations, enable eMBMS services to be deployed through WIFI coverage areas, while eMBMS services may not be provided in LTE networks. On the one hand, for a UE that does not support the WIFI service and the LTE service, the UE can receive the eMBMS service through the WIFI; even for the UE that supports the WIFI service and the LTE service, the UE can receive the eMBMS service only through the WIFI.
实施例四 Embodiment 4
本发明实施例提供一种多小区多播协作实体(multi-cell/multicast coordination entity，MCE)，可以应用到上述实施例提供的广播***中，包括，如图10所示，该MCE包括：接收单元100，处理单元101和发送单元102；The embodiment of the present invention provides a multi-cell/multicast coordination entity (MCE), which can be applied to the broadcast system provided by the foregoing embodiment, including, as shown in FIG. 10, the MCE includes: receiving Unit 100, processing unit 101 and transmitting unit 102;
接收单元100，用于接收MME发送的会话消息，该会话消息中携带区域标识；处理单元101，用于根据接收到的所述区域标识确定AC或AP；The receiving unit 100 is configured to receive a session message sent by the MME, where the session message carries an area identifier, and the processing unit 101 is configured to determine an AC or an AP according to the received area identifier;
具体的，在本发明实施例中，还可以包括存储单元103，存储单元103存储有业务区域和AC或AP的对应关系表，该对应关系表可以通过如下方式生成；Specifically, in the embodiment of the present invention, the storage unit 103 may further include a corresponding relationship table between the service area and the AC or the AP, where the corresponding relationship table may be generated by:
接收单元100，用于接收AC或AP上报的消息，处理单元101生成AP和AC的归属关系表，处理单元101还用于根据消息中携带的AC标识生成AC和SCTP链接的对应关系，或根据消息中携带的AP标识生成AP和SCTP链接的对应关系，处理单元101根据上述归属关系和对应关系，生成业务区域和AC或AP的对应关系表。The receiving unit 100 is configured to receive a message reported by the AC or the AP, and the processing unit 101 generates a affiliation relationship table between the AP and the AC, where the processing unit 101 is further configured to generate a correspondence between the AC and the SCTP link according to the AC identifier carried in the message, or according to the The AP identifier carried in the message generates a correspondence between the AP and the SCTP link, and the processing unit 101 generates a correspondence table between the service area and the AC or the AP according to the foregoing relationship and the corresponding relationship.
发送单元102，用于向确定的AC或AP发送会话消息。The sending unit 102 is configured to send a session message to the determined AC or AP.
处理单元101，还用于确定当接收的区域标识确定分发会话消息有AC或AP，和eNB时，确定选择只通过AC或AP来分发eMBMS会话，也可以选择只通过eNB来分发eMBMS会话。The processing unit 101 is further configured to determine, when the received area identifier determines that the distribution session message has an AC or an AP, and the eNB, determine to select to distribute the eMBMS session only through the AC or the AP, or select to only distribute the eMBMS session by using the eNB.
处理单元101，还可以用于确定当接收的区域标识确定分发eMBMS会话的有AC或AP，和eNB时，且当确定的AC或AP对应的业务区域和确定的eNB对应的业务区域相同时，确定选择只通过AC或AP来分发eMBMS会话；也可以选择只通过eNB来分发eMBMS会话。The processing unit 101 may be further configured to: when the received area identifier determines that there is an AC or an AP that distributes the eMBMS session, and the eNB, and when the determined service area corresponding to the AC or the AP is the same as the service area corresponding to the determined eNB, It is determined that the eMBMS session is only distributed through the AC or AP; it is also possible to distribute the eMBMS session only through the eNB.
实施例五 Embodiment 5
本发明实施例提供一种接入控制器(access controller，AC)，具体可以应用到上述实施例提供的广播***，如图11所示，包括：接收单元200，处理单元201和发送单元202；The embodiment of the present invention provides an access controller (AC), which can be applied to the broadcast system provided by the foregoing embodiment, as shown in FIG. 11, comprising: a receiving unit 200, a processing unit 201, and a sending unit 202;
接收单元200，用于接收MCE发送的会话消息，该会话消息携带区域标识； The receiving unit 200 is configured to receive a session message sent by the MCE, where the session message carries an area identifier.
处理单元201，用于根据所述区域标识确定要接收会话的AP；The processing unit 201 is configured to determine, according to the area identifier, an AP that is to receive a session;
发送单元202，用于向确定的AP分发会话消息。The sending unit 202 is configured to distribute the session message to the determined AP.
本发明实施例提供的AC还可以包括存储单元203，存储单元203存储有业务区域列表，发送单元202还用于将存储单元203存储的业务区域列表发送给MCE。The AC provided by the embodiment of the present invention may further include a storage unit 203, where the storage unit 203 stores a service area list, and the sending unit 202 is further configured to send the service area list stored by the storage unit 203 to the MCE.
处理单元201，还可以用于根据会话消息中携带的多播地址标识建立与MBMS-GW的连接；具体的，处理单元可以通过M1接口与MBMS-GW进行通信，接收单元200从MBMS-GW接收多播包。The processing unit 201 may be further configured to establish a connection with the MBMS-GW according to the multicast address identifier carried in the session message. Specifically, the processing unit may communicate with the MBMS-GW through the M1 interface, and the receiving unit 200 receives from the MBMS-GW. Multicast package.
发送单元202，还可以用于将多播包发送给确定的AP。The sending unit 202 is further configured to send the multicast packet to the determined AP.
实施例六 Embodiment 6
本发明实施例提供一种接入点(access point，AP)，具体可以应用到上述实施例提供的广播***，如图12所示，包括接收单元300，处理单元301和广播单元302；The embodiment of the present invention provides an access point (AP), which can be applied to the broadcast system provided in the foregoing embodiment. As shown in FIG. 12, the receiving unit 300 includes a receiving unit 300, a processing unit 301, and a broadcast unit 302.
接收单元300，用于接收MCE或AC发送的会话消息，该会话消息携带多播地址标识；The receiving unit 300 is configured to receive a session message sent by the MCE or the AC, where the session message carries a multicast address identifier.
处理单元301，用于根据所述多播地址标识建立与MBMS-GW的连接；具体的，处理单元可以通过M1接口与MBMS-GW进行通信。The processing unit 301 is configured to establish a connection with the MBMS-GW according to the multicast address identifier. Specifically, the processing unit can communicate with the MBMS-GW through the M1 interface.
接收单元300，还用于从所述MBMS-GW接收多播包；The receiving unit 300 is further configured to receive a multicast packet from the MBMS-GW.
广播单元302，用于将接收的所述多播包在WIFI空口进行广播。The broadcast unit 302 is configured to broadcast the received multicast packet on a WIFI air interface.
本发明实施例提供的AP还可以包括存储单元303，存储单元303存储有业务区域列表，发送单元302还用于将存储单元303存储的业务区域列表发送给MCE。The AP provided by the embodiment of the present invention may further include a storage unit 303, where the storage unit 303 stores a service area list, and the sending unit 302 is further configured to send the service area list stored by the storage unit 303 to the MCE.
实施例六 Embodiment 6
本发明实施例提供一种用户设备(user equiment，UE)，具体可以应用到上述实施例提供的广播***，通过上述实施例提供的广播***实现eMBMS广播业务，包括，如图13所示，接收单元400，处理单元401和显示单元402。 The embodiment of the present invention provides a user equipment (UE), which can be applied to the broadcast system provided by the foregoing embodiment, and implements an eMBMS broadcast service by using the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 13, receiving Unit 400, processing unit 401 and display unit 402.
可以理解的是，所述UE可以是手机，平板等任何接入设备。It can be understood that the UE can be any access device such as a mobile phone, a tablet, or the like.
接收单元400，用于接收AP广播的频道信息；The receiving unit 400 is configured to receive channel information broadcast by the AP;
处理单元401，用于解析接收的所述频道信息；The processing unit 401 is configured to parse the received channel information.
显示单元402，用于显示解析的频道信息。The display unit 402 is configured to display the parsed channel information.
接收单元400，还用于在解析的频道上接收AP发送的多播包；The receiving unit 400 is further configured to receive the multicast packet sent by the AP on the parsed channel;
处理单元401，还用于解析所述多播包；The processing unit 401 is further configured to parse the multicast packet.
显示单元402，还用于显示多播包所呈现的频道内容。The display unit 402 is further configured to display channel content presented by the multicast package.
实施例七Example 7
本发明实施例提供一种多小区多播协作实体(multi-cell/multicast coordination entity，MCE)，具体可以应用到上述实施例提供的广播***中，包括，如图14所示，通信接口501，处理器502和存储器503；The embodiment of the present invention provides a multi-cell/multicast coordination entity (MCE), which can be applied to the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 14, the communication interface 501, Processor 502 and memory 503;
通信接口501，用于接收MME发送的会话消息，该会话消息中携带区域标识；The communication interface 501 is configured to receive a session message sent by the MME, where the session message carries an area identifier.
处理器502，用于根据接收到的所述区域标识确定AC或AP；The processor 502 is configured to determine an AC or an AP according to the received area identifier;
具体的，在本发明实施例中，还包括存储器503，存储器503存储有业务区域和AC或AP的对应关系表，该对应关系表可以通过如下方式生成；Specifically, in the embodiment of the present invention, the memory 503 further includes a corresponding relationship table between the service area and the AC or the AP, where the corresponding relationship table can be generated by:
通过通信接口501，接收AC或AP上报的消息，处理器502生成AP和AC的归属关系表，处理器502还用于根据消息中携带的AC标识生成AC和SCTP链接的对应关系，或根据消息中携带的AP标识生成AP和SCTP链接的对应关系，处理器502根据上述归属关系和对应关系，生成业务区域和AC或AP的对应关系表。The communication interface 501 receives the message reported by the AC or the AP, and the processor 502 generates a affiliation relationship table between the AP and the AC. The processor 502 is further configured to generate a correspondence between the AC and the SCTP link according to the AC identifier carried in the message, or according to the message. The AP identifier carried in the AP generates an association between the AP and the SCTP link, and the processor 502 generates a correspondence table between the service area and the AC or the AP according to the foregoing affiliation relationship and the corresponding relationship.
通过通信接口501，用于向确定的AC或AP发送会话消息。Through the communication interface 501, it is used to send a session message to the determined AC or AP.
处理器502，还用于确定当接收的区域标识确定分发会话消息有AC或AP，和eNB时，确定选择只通过AC或AP来分发eMBMS会话，也可以选择只通过eNB来分发eMBMS会话。The processor 502 is further configured to determine, when the received area identifier determines that the distribution session message has an AC or an AP, and the eNB, determine to select to distribute the eMBMS session only through the AC or the AP, or select to only distribute the eMBMS session by using the eNB.
处理器502，还可以用于确定当接收的区域标识确定分发eMBMS会话的有AC或AP，和eNB时，且当确定的AC或AP对应的业务区域和确定的eNB对应的业务区域相同时，确定选择只通过AC或AP来分发 eMBMS会话；也可以选择只通过eNB来分发eMBMS会话。The processor 502 is further configured to: when the received area identifier determines that there is an AC or an AP that distributes the eMBMS session, and the eNB, and when the determined service area corresponding to the AC or the AP is the same as the service area corresponding to the determined eNB, Make sure to choose to distribute only through AC or AP eMBMS session; it is also possible to distribute the eMBMS session only through the eNB.
实施例八Example eight
本发明实施例提供一种接入控制器(access controller，AC)，具体可以应用到上述实施例提供的广播***，包括，如图15所示，包括通信接口601，处理器602和存储器603；The embodiment of the present invention provides an access controller (AC), which can be applied to the broadcast system provided by the foregoing embodiment, including, as shown in FIG. 15, a communication interface 601, a processor 602, and a memory 603;
通信接口601，用于接收MCE发送的会话消息，该会话消息携带区域标识；The communication interface 601 is configured to receive a session message sent by the MCE, where the session message carries an area identifier.
处理器602，用于根据所述区域标识确定要接收会话的AP；The processor 602 is configured to determine, according to the area identifier, an AP that is to receive a session;
通过通信接口601，向确定的AP分发会话消息。A session message is distributed to the determined AP through the communication interface 601.
本发明实施例提供的AC还可以包括存储器603，存储器603存储有业务区域列表，通过通信接口601将存储器603存储的业务区域列表发送给MCE。The AC provided by the embodiment of the present invention may further include a memory 603, where the memory 603 stores a service area list, and the service area list stored in the memory 603 is sent to the MCE through the communication interface 601.
处理器602，还可以用于根据会话消息中携带的多播地址标识建立与MBMS-GW的连接；具体的，处理器602可以通过M1接口与MBMS-GW进行通信，通过M1接口从MBMS-GW接收多播包。The processor 602 is further configured to establish a connection with the MBMS-GW according to the multicast address identifier carried in the session message. Specifically, the processor 602 can communicate with the MBMS-GW through the M1 interface, and from the MBMS-GW through the M1 interface. Receive multicast packets.
通信接口601，还可以用于将多播包发送给确定的AP。The communication interface 601 can also be used to send the multicast packet to the determined AP.
实施例九Example nine
本发明实施例提供一种接入点(access point，AP)，具体可以应用到上述实施例提供的广播***，包括，如图16所示，包括通信接口701，处理器702，存储器703和广播口704；An embodiment of the present invention provides an access point (AP), which can be applied to the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 16, a communication interface 701, a processor 702, a memory 703, and a broadcast. Port 704;
通信接口701，用于接收MCE或AC发送的会话消息，该会话消息携带多播地址标识；The communication interface 701 is configured to receive a session message sent by the MCE or the AC, where the session message carries a multicast address identifier.
处理器702，用于根据所述多播地址标识建立与MBMS-GW的连接；具体的，处理器702可以通过M1接口与MBMS-GW进行通信。The processor 702 is configured to establish a connection with the MBMS-GW according to the multicast address identifier. Specifically, the processor 702 can communicate with the MBMS-GW through the M1 interface.
通过通信接口701，还用可以从所述MBMS-GW接收多播包；Through the communication interface 701, a multicast packet can also be received from the MBMS-GW;
广播扣704，用于将接收的所述多播包在WIFI空口进行广播。The broadcast button 704 is configured to broadcast the received multicast packet on the WIFI air interface.
本发明实施例提供的AP还可以包括存储器703，存储器703存储有 业务区域列表，通过通信接口701还可以将存储器703存储的业务区域列表发送给MCE。The AP provided by the embodiment of the present invention may further include a memory 703, where the memory 703 is stored. The service area list can also send the service area list stored in the memory 703 to the MCE through the communication interface 701.
实施例十Example ten
本发明实施例提供一种用户设备(user equiment，UE)，具体可以应用到上述实施例提供的广播***，通过上述实施例提供的广播***实现eMBMS广播业务，包括，如图17所示，接收器801，处理器802，显示器803。The embodiment of the present invention provides a user equipment (UE), which can be applied to the broadcast system provided by the foregoing embodiment, and implements an eMBMS broadcast service by using the broadcast system provided in the foregoing embodiment, including, as shown in FIG. 801, processor 802, display 803.
可以理解的是，所述UE可以是手机，平板等任何接入设备。It can be understood that the UE can be any access device such as a mobile phone, a tablet, or the like.
接收器801，用于接收AP广播的频道信息；The receiver 801 is configured to receive channel information broadcast by the AP.
处理器802，用于解析从AP接收的所述频道信息。The processor 802 is configured to parse the channel information received from the AP.
接收器801，还用于接收AP发送的多播包；The receiver 801 is further configured to receive a multicast packet sent by the AP.
处理器802，还用于解析所述多播包，The processor 802 is further configured to parse the multicast packet,
显示器804，用于根据处理器解析的多播包进行显示，使得用户可以通过显示器收看频道内容。The display 804 is configured to display according to the multi-cast packet parsed by the processor, so that the user can watch the channel content through the display.
本说明书中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。尤其，对于装置实施例而言，由于其基本相似于方法实施例，所以描述得比较简单，相关之处参见方法实施例的部分说明即可。The various embodiments in the specification are described in a progressive manner, and the same or similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.
需说明的是，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。另外，本发明提供的装置实施例附图中，模块之间的连接关系表示它们之间具有通信连接，具体可以实现为一条或多条通信总线或信号线。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。It should be noted that the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical. Units can be located in one place or 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. In addition, in the drawings of the device embodiments provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and specifically, one or more communication buses or signal lines can be realized. Those of ordinary skill in the art can understand and implement without any creative effort.
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件的方式来实现，当然也可以通过 硬件包括集成电路、CPU、存储器、元器件等来实现。一般情况下，凡由计算机程序完成的功能都可以很容易地用相应的硬件来实现，而且，用来实现同一功能的具体硬件结构也可以是多种多样的，例如模拟电路、数字电路或电路等。但是，对本发明而言更多情况下软件程序实现是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在可读取的存储介质中，如计算机的软盘，U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus necessary general hardware, and of course, The hardware includes integrated circuits, CPUs, memories, components, and the like. In general, functions performed by a computer program can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can also be various, such as analog circuits, digital circuits, or circuits. Wait. However, for the purposes of the present invention, software program implementation is a better implementation in more cases. Based on the understanding, the technical solution of the present invention, which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer. , U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。 The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims (28)

  1. 一种多媒体广播多播业务***，其特征在于，包括：多媒体广播多播业务网关(MBMS gate way，MBMS-GW)，多小区多播协作实体(multi-cell/multicast coordination entity，MCE)和至少一个接入点(access point，AP)；A multimedia broadcast multicast service system, comprising: a multimedia broadcast multicast service gateway (MBMS gate way, MBMS-GW), a multi-cell/multicast coordination entity (MCE), and at least An access point (AP);
    所述MCE，用于根据接收到的区域标识确定需要接收eMBMS会话的AP，并向所述确定的AP发送eMBMS会话；The MCE is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session, and send an eMBMS session to the determined AP.
    所述确定的AP，用于根据从MCE发送的eMBMS会话中携带的多播地址标识建立所述确定的AP和所述MBMS-GW之间的连接，并从所述MBMS-GW接收多播包；Determining, by the determined AP, a connection between the determined AP and the MBMS-GW according to a multicast address identifier carried in an eMBMS session sent from an MCE, and receiving a multicast packet from the MBMS-GW ;
    所述确定的AP，还用于将从所述MBMS-GW接收到的多播包在WIFI空口进行广播。The determined AP is further configured to broadcast the multicast packet received from the MBMS-GW in a WIFI air interface.
  2. 根据权利要求1所述的***，其特征在于，所述根据接收到的区域标识确定接入点AP，并向所述确定的AP发送eMBMS会话，包括：The system according to claim 1, wherein the determining the access point AP according to the received area identifier and transmitting the eMBMS session to the determined AP comprises:
    所述MCE根据接收到的区域标识确定AP，建立所述MCE和所述确定的AP之间的连接，并向所述确定的AP发送eMBMS会话；或，Determining, by the MCE, the AP according to the received area identifier, establishing a connection between the MCE and the determined AP, and sending an eMBMS session to the determined AP; or
    所述MCE建立所述MCE和所述至少一个AP之间的连接，根据接收到区域标识确定接入点AP，并向所述确定的AP发送eMBMS会话。The MCE establishes a connection between the MCE and the at least one AP, determines an access point AP according to the received area identifier, and sends an eMBMS session to the determined AP.
  3. 根据权利要求1或2所述的***，还包括接入控制器(access controller，AC)，The system according to claim 1 or 2, further comprising an access controller (AC),
    所述MCE，用于根据接收到的区域标识确定AP，并向所述确定的AP发送eMBMS会话，包括：The MCE is configured to determine an AP according to the received area identifier, and send an eMBMS session to the determined AP, including:
    所述MCE，用于根据接收到的区域标识确定AC，并向所述确定的AC发送eMBMS会话，所述确定的AC根据所述区域标识确定AP，并向所述确定的AP分发eMBMS会话。The MCE is configured to determine an AC according to the received area identifier, and send an eMBMS session to the determined AC, where the determined AC determines an AP according to the area identifier, and distributes an eMBMS session to the determined AP.
  4. 根据权利要求1-3所述的***，其特征在于，A system according to claims 1-3, characterized in that
    所述MCE保存有业务区域列表，所述MCE匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AP。The MCE stores a service area list, and the MCE matches the service area list and the received area identifier, and determines an AP that needs to receive an eMBMS session.
  5. 根据权利要求1-3所述的***，其特征在于， A system according to claims 1-3, characterized in that
    所述AP保存有业务区域列表，所述AP将所述业务区域列表上报给所述MCE，所述MCE匹配所述业务区域列表和接收到的区域标识，确定要接收eMBMS会话的AP。The AP stores a service area list, and the AP reports the service area list to the MCE, and the MCE matches the service area list and the received area identifier to determine an AP to receive an eMBMS session.
  6. 根据权利要求3所述的***，其特征在于，The system of claim 3 wherein:
    所述AC保存有业务区域列表，所述AC将所述业务区域列表上报给所述MCE，所述MCE匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AC。The AC stores a service area list, and the AC reports the service area list to the MCE, and the MCE matches the service area list and the received area identifier, and determines an AC that needs to receive an eMBMS session.
  7. 根据权利要求1-6所述的***，其特征在于，A system according to claims 1-6, characterized in that
    当所述MCE接收到的区域标识确定有AP和eNB时，所述MCE确定只向所述确定的AP发送eMBMS会话。When the area identifier received by the MCE determines that there is an AP and an eNB, the MCE determines to send an eMBMS session only to the determined AP.
  8. 根据权利要求7所述的***，其特征在于，The system of claim 7 wherein:
    所述MCE根据接收到的区域标识确定有AP和eNB时，所述MCE确定只向所述确定的AP发送eMBMS会话，包括：When the MCE determines that there is an AP and an eNB according to the received area identifier, the MCE determines to send the eMBMS session only to the determined AP, including:
    所述MCE根据接收到的区域标识确定有AP和eNB时，其所述确定的AP和所述确定的eNB对应相同的业务区域，所述MCE确定只向所述确定的AP发送eMBMS会话。When the MCE determines that there is an AP and an eNB according to the received area identifier, the determined AP and the determined eNB correspond to the same service area, and the MCE determines to send only the eMBMS session to the determined AP.
  9. 根据权利要求1-8所述的***，其特征在于，A system according to claims 1-8, characterized in that
    所述AP，还用于在空口广播频道信息。The AP is further configured to broadcast channel information in an air interface.
  10. 根据权利要求1-9所述的***，其特征在于，还包括UE，The system of claims 1-9, further comprising a UE,
    所述UE，用于接收所述AP在空口广播的频道信息，并解析所述频道信息。The UE is configured to receive channel information broadcast by the AP in an air interface, and parse the channel information.
  11. 根据权利要求10所述的***，其特征在于，The system of claim 10 wherein:
    所述UE，还用于在所属解析获得的频道上接收所述AP发送的多播包，并解析所述多播包。The UE is further configured to receive a multicast packet sent by the AP on a channel obtained by the resolution, and parse the multicast packet.
  12. 一种MCE，其特征在于，包括：接收单元，处理单元，发送单元，An MCE, comprising: a receiving unit, a processing unit, and a sending unit,
    所述接收单元，用于接收MME发送的eMBMS会话，所述eMBMS会话中携带区域标识；The receiving unit is configured to receive an eMBMS session sent by the MME, where the eMBMS session carries an area identifier;
    所述处理单元，用于根据接收到的所述区域标识确定需要接收eMBMS会话的AP； The processing unit is configured to determine, according to the received area identifier, an AP that needs to receive an eMBMS session;
    所述发送单元，用于向所述确定的AP发送eMBMS会话。The sending unit is configured to send an eMBMS session to the determined AP.
  13. 根据权利要求12所述的MCE，其特征在于，所述处理单元还用于：The MCE according to claim 12, wherein the processing unit is further configured to:
    所述处理单元根据所述接收单元接收到的所述区域标识，确定接收eMBMS会话的AC，以便所述AC根据AP列表确定需要接收eMBMS会话的AP。The processing unit determines, according to the area identifier received by the receiving unit, an AC that receives an eMBMS session, so that the AC determines, according to the AP list, an AP that needs to receive an eMBMS session.
  14. 根据权利要求12或13所述的MCE，其特征在于，还包括存储单元，The MCE according to claim 12 or 13, further comprising a storage unit,
    所处存储单元，用于存储业务区域列表，所述处理单元匹配所述业务区域列表和所述接收到的区域标识，确定需要接收eMBMS会话的AP。The storage unit is configured to store a service area list, and the processing unit matches the service area list and the received area identifier to determine an AP that needs to receive an eMBMS session.
  15. 根据权利要求12所述的MCE，其特征在于，The MCE according to claim 12, characterized in that
    所述接收单元，还用于接收所述AP上报的业务区域列表，所述处理单元匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AP。The receiving unit is further configured to receive a service area list reported by the AP, where the processing unit matches the service area list and the received area identifier, and determines an AP that needs to receive an eMBMS session.
  16. 根据权利要求13所述的MCE，其特征在于，The MCE according to claim 13, wherein
    所述接收单元，还用于接收所述AC上报的业务区域列表，所述处理单元匹配所述业务区域列表和接收到的区域标识，确定需要接收eMBMS会话的AC。The receiving unit is further configured to receive a service area list reported by the AC, and the processing unit matches the service area list and the received area identifier to determine an AC that needs to receive an eMBMS session.
  17. 根据权利要求12-16任一项所述的MCE，其特征在于，The MCE according to any one of claims 12-16, characterized in that
    所述确定单元，还用于当接收到的区域标识确定有AP和eNB时，确定只向所述确定的AP发送eMBMS会话。The determining unit is further configured to: when the received area identifier determines that the AP and the eNB are determined, determine to send the eMBMS session only to the determined AP.
  18. 根据权利要求17所述的MCE，其特征在于，The MCE according to claim 17, wherein
    所述确定单元当接收到的区域标识确定有AP和eNB时，确定只向所述确定的AP发送eMBMS会话，包括：The determining unit, when the received area identifier determines that there is an AP and an eNB, determines that only the eMBMS session is sent to the determined AP, including:
    所述确定单元当接收到的区域标识确定有AP和eNB时，其所述确定的AP和所述确定的eNB对应有相同的业务区域，所述确定单元确定只向所述确定的AP发送eMBMS会话。The determining unit, when the received area identifier determines that there is an AP and an eNB, the determined AP and the determined eNB correspond to the same service area, and the determining unit determines to send only the eMBMS to the determined AP. Conversation.
  19. 一种接入点AP，其特征在于，包括：接收单元，处理单元和广播单元； An access point AP, comprising: a receiving unit, a processing unit, and a broadcasting unit;
    所述接收单元，用于接收MCE或AC发送的eMBMS会话，所述eMBMS会话携带多播地址标识；The receiving unit is configured to receive an eMBMS session sent by the MCE or the AC, where the eMBMS session carries a multicast address identifier;
    所述处理单元，用于根据所述多播地址标识建立与MBMS-GW的连接；The processing unit is configured to establish a connection with the MBMS-GW according to the multicast address identifier;
    所述接收单元，还用于从所述MBMS-GW接收多播包；The receiving unit is further configured to receive a multicast packet from the MBMS-GW;
    所述广播单元，用于将接收的所述多播包在空口进行广播。The broadcast unit is configured to broadcast the received multicast packet on an air interface.
  20. 根据权利要求19所述的AP，其特征在于，还包括存储单元，The AP according to claim 19, further comprising a storage unit,
    所述存储单元，用于存储业务区域列表，以便于所述MCE匹配所述业务区域列表和所述多播区域标识，确定需要接收eMBMS会话的AP。The storage unit is configured to store a service area list, so that the MCE matches the service area list and the multicast area identifier, and determines an AP that needs to receive an eMBMS session.
  21. 根据权利要求20所述的AP，其特征在于，The AP according to claim 20, characterized in that
    所述发送单元，还用于将所述存储单元存储的业务区域列表上报给MCE。The sending unit is further configured to report the service area list stored by the storage unit to the MCE.
  22. 根据权利要求19-21任一项所述AP，其特征在于，The AP according to any one of claims 19 to 21, characterized in that
    所述广播单元，还用于在WIFI空口广播频道信息。The broadcast unit is further configured to broadcast channel information in a WIFI air interface.
  23. 一种接入控制器AC，其特征在于，包括：接收单元和处理单元，An access controller AC, comprising: a receiving unit and a processing unit,
    所述接收单元，用于接收MCE发送的eMBMS会话，所述eMBMS会话携带区域标识；The receiving unit is configured to receive an eMBMS session sent by the MCE, where the eMBMS session carries an area identifier;
    所述处理单元，用于根据所述区域标识确定需要接收会话的AP；The processing unit is configured to determine, according to the area identifier, an AP that needs to receive a session;
    所述发送单元，用于向确定需要接收会话的AP分发eMBMS会话。The sending unit is configured to distribute an eMBMS session to an AP that determines that a session needs to be received.
  24. 根据权利要求23所述的AC，其特征在于，还包括存储单元，The AC according to claim 23, further comprising a storage unit,
    所述存储单元，用于存储业务区域列表；The storage unit is configured to store a service area list;
    所述发送单元，还用于将所述业务区域列表发送给MCE。The sending unit is further configured to send the service area list to the MCE.
  25. 根据权利要求23或24所述的AC，其特征在于，The AC according to claim 23 or 24, characterized in that
    所述处理单元，还用于根据所述eMBMS会话中携带的多播地址标识建立与MBMS-GW的连接；The processing unit is further configured to establish a connection with the MBMS-GW according to the multicast address identifier carried in the eMBMS session;
    所处接收单元，还用于从所述eMBMS接收多播包。The receiving unit is further configured to receive a multicast packet from the eMBMS.
  26. 根据权利要求25所述的AC，其特征在于，The AC of claim 25, wherein
    所述发送单元，还用于将所述多播包发送给确定的所述AP。The sending unit is further configured to send the multicast packet to the determined AP.
  27. 一种UE，用于支持通过WIFI接收eMBMS广播，其特征在于，包括接收单元，处理单元和显示单元； A UE, configured to support receiving an eMBMS broadcast by using a WIFI, and comprising: a receiving unit, a processing unit, and a display unit;
    所述接收单元，用于接收AP广播的频道信息；The receiving unit is configured to receive channel information broadcast by the AP;
    所述处理单元，用于解析接收的所述频道信息；The processing unit is configured to parse the received channel information;
    所述显示单元，用于显示解析的频道信息。The display unit is configured to display the parsed channel information.
  28. 根据权利要求27所述的UE，其特征在于，The UE according to claim 27, characterized in that
    所述接收单元，还用于接收AP发送的多播包；The receiving unit is further configured to receive a multicast packet sent by the AP;
    所述处理单元，还用于解析所述多播包；The processing unit is further configured to parse the multicast packet;
    所述显示单元，还用于解析多播包所呈现的频道内容。 The display unit is further configured to parse channel content presented by the multicast package.
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