WO2016161655A1 - Dispositif et procédé de transmission de services de diffusion groupée - Google Patents

Dispositif et procédé de transmission de services de diffusion groupée Download PDF

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Publication number
WO2016161655A1
WO2016161655A1 PCT/CN2015/076369 CN2015076369W WO2016161655A1 WO 2016161655 A1 WO2016161655 A1 WO 2016161655A1 CN 2015076369 W CN2015076369 W CN 2015076369W WO 2016161655 A1 WO2016161655 A1 WO 2016161655A1
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WIPO (PCT)
Prior art keywords
unicast bearer
base station
multicast service
data packet
indication information
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Application number
PCT/CN2015/076369
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English (en)
Chinese (zh)
Inventor
李秉肇
胡振兴
张戬
高永强
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2015/076369 priority Critical patent/WO2016161655A1/fr
Priority to CN201580027768.0A priority patent/CN106465065B/zh
Publication of WO2016161655A1 publication Critical patent/WO2016161655A1/fr

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

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a multicast service transmission apparatus and method.
  • the multicast technology is a technology for transmitting data from point to multipoint. Specifically, the multicast technology refers to a data transmitting device transmitting the same data to multiple data receiving devices through the same shared channel.
  • the 3rd Generation Partnership Project uses multimedia broadcast multicast service (English: Multimedia Broadcast Multicast Services, MBMS for short) and single-cell point-to-multiple Point (English: single cell point to multipoint, referred to as: SC-PTM) technology.
  • the multicast broadcast service is transmitted by using the multicast technology.
  • the base station uses a physical multicast channel (English: Physical Multicast Channel, PMCH for short) to simultaneously access multiple user equipments in the cell (English: User Equipment, UE for short).
  • the MBMS is transmitted such that multiple UEs simultaneously acquire the MBMS by reading the PMCH.
  • the UE is receiving the multicast service A sent by the cell 1 through the multicast bearer.
  • the UE determines by reading the broadcast message of the cell 2.
  • the cell 2 After the cell 2 does not send the multicast service A, it first establishes a unicast bearer with the cell 2, so as to continue to receive the multicast service A through the unicast bearer.
  • the UE receives the multicast service A and the service interruption occurs. To avoid the service interruption phenomenon, as shown in FIG.
  • the UE in the process of the UE moving from the cell 1 to the cell 2, the UE first establishes a unicast bearer with the cell 1 to continue to receive the multicast service sent by the cell 1 through the unicast bearer. A, then switch from cell 1 to cell 2.
  • the cell 1 schedules the UE to receive the data packet of the multicast service A through the multicast bearer and the unicast bearer, respectively, resulting in waste of resources.
  • the embodiment of the invention provides a multicast service transmission device and method, so as to avoid The broadcast bearer and the unicast bearer respectively schedule the resource waste caused by the UE receiving the multicast service.
  • a multicast service transmission apparatus includes:
  • transceiver module configured to send a data packet of the multicast service to the user equipment UE
  • a processing module configured to establish a unicast bearer with the UE, and determine that the established unicast bearer is used for transmitting the multicast service; and scheduling the multicast bearer when determining that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer
  • the data packet of the multicast service is transmitted, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the processing module is further configured to:
  • the scheduling UE receives the data packet of the multicast service on the unicast bearer.
  • the transceiver module is further configured to: before the processing module establishes a unicast bearer with the UE:
  • the unicast bearer setup threshold is sent to the UE, so that the UE determines that the unicast bearer needs to be established according to the received unicast bearer setup threshold, and the trigger processing module establishes a unicast bearer with the UE.
  • the unicast bearer setup threshold includes a threshold of the signal strength and/or a threshold of the signal quality indicator.
  • the transceiver module is configured to: when sending a unicast bearer establishment threshold to the UE, specifically:
  • the unicast bearer setup threshold is sent to the UE through a broadcast message or a dedicated message.
  • the transceiver module is further configured to: before the processing module determines that the established unicast bearer is used for transmitting the multicast service:
  • the transceiver module when receiving the first indication information sent by the UE, is specifically used to:
  • the transceiver module is determined by the processing module Before the established unicast bearer is used to transmit multicast services, it is also used to:
  • the transceiver module is configured to: when receiving the second indication information sent by the core network device, specifically:
  • the unicast bearer setup request is sent by the core network device, and the unicast bearer setup request carries the second indication information, where the unicast bearer setup request is used to trigger the processing module to establish a unicast bearer with the UE.
  • the transceiver module is further configured to:
  • the processing module is also used to:
  • the scheduling UE receives any data packet sent by the transceiver module and sequence indication information of any data packet on the unicast bearer.
  • the sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • the present invention provides a multicast service transmission apparatus, including:
  • a processing module configured to establish a unicast bearer with the base station
  • the transceiver module is configured to send the first indication information to the base station, where the first indication information is used to indicate that the unicast bearer established by the processing module is used to receive the data packet of the multicast service sent by the base station; and the received base station transmits the multicast packet on the multicast bearer.
  • the data packet of the broadcast service and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the transceiver module is further configured to: before the processing module establishes a unicast bearer with the base station:
  • Processing module also used to:
  • the control triggers establishment of a unicast bearer with the base station when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module.
  • the processing module determines, when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module, to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of the signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver module is configured to: when receiving the unicast bearer establishment threshold sent by the base station, specifically:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver module when the transceiver module sends the first indication information to the base station, the transceiver module is specifically configured to:
  • the transceiver module is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • a multicast service transmission apparatus includes:
  • a processing module configured to determine that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE;
  • the transceiver module is configured to send the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver module is further configured to: before the processing module determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • Processing module also used to:
  • the unicast bearer is configured to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver module.
  • the transceiver module sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the second indication information is sent to the base station.
  • a fourth aspect of the present invention provides a multicast service transmission apparatus, including:
  • a processing module configured to determine that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE;
  • the transceiver module is configured to send the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver module is further configured to: before the processing module determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processing module is also used to:
  • the unicast bearer is configured to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver module.
  • the transceiver module sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • a fifth aspect of the present invention provides a multicast service transmission apparatus, including:
  • a processing module configured to establish a unicast bearer with the base station, where the unicast bearer is used to transmit the multicast service transmitted by the base station;
  • the transceiver module is configured to send third indication information to the application server when the current cell where the corresponding user equipment UE is located is transmitting the multicast service by using the multicast bearer, where the third indication information is used to indicate that the transceiver module is on the multicast bearer Receiving a data packet of the multicast service transmitted by the base station, and not receiving the data packet of the multicast service transmitted by the base station on the unicast bearer; receiving the data packet of the multicast service transmitted by the base station on the multicast bearer, and not on the unicast bearer Receiving data packets of the multicast service transmitted by the base station.
  • the transceiver module is further configured to: before the processing module establishes a unicast bearer with the base station:
  • Processing module also used to:
  • the control triggers establishment of a unicast bearer with the base station when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module.
  • the processing module determines, when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module, to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a signal strength threshold
  • the unicast bearer establishment indicator includes Signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver module is configured to: when receiving the unicast bearer establishment threshold sent by the base station, specifically:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver module is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the service receiving unit fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • a multicast service transmission apparatus includes:
  • the processing module is configured to determine that the user equipment UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer, where the unicast bearer is used for transmitting the UE receiving Multicast service; stops transmitting packets of multicast traffic on a unicast bearer.
  • the device further includes:
  • the transceiver module is configured to receive third indication information sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the multicast transmission by the base station on the unicast bearer.
  • Business data package is configured to receive third indication information sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the multicast transmission by the base station on the unicast bearer.
  • the processing module stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the multicast bearer to transmit the data packet of the multicast service, and the UE is multicasting The data packet carrying the multicast service is carried, and the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • a seventh aspect of the present invention provides a multicast service transmission apparatus, including:
  • a transceiver configured to send a data packet of the multicast service to the user equipment UE;
  • a processor configured to establish a unicast bearer with the UE, and determine that the established unicast bearer is used for transmitting the multicast service; and scheduling the multicast bearer when determining that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer
  • the data packet of the multicast service is transmitted, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the processor is further configured to:
  • the scheduling UE receives the data packet of the multicast service on the unicast bearer.
  • the transceiver is further configured to: before the processor establishes a unicast bearer with the UE:
  • the unicast bearer setup threshold is sent to the UE, so that the UE determines that the unicast bearer needs to be established according to the received unicast bearer setup threshold, and triggers the processor to establish a unicast bearer with the UE.
  • the unicast bearer establishment threshold includes a threshold of a signal strength and/or a threshold of a signal quality indicator.
  • the transceiver when the transceiver sends the unicast bearer establishment threshold to the UE, the transceiver is specifically configured to:
  • the unicast bearer setup threshold is sent to the UE through a broadcast message or a dedicated message.
  • the transceiver is further configured to: before the processor determines that the established unicast bearer is used for transmitting the multicast service:
  • the transceiver when receiving the first indication information sent by the UE, is specifically used to:
  • the transceiver is further configured to: before the processor determines that the established unicast bearer is used for transmitting the multicast service:
  • the transceiver when receiving the second indication information sent by the core network device, is specifically used to:
  • the transceiver is further configured to:
  • the processor is also used to:
  • the scheduling UE receives any data packet sent by the transceiver on the unicast bearer, and sequence indication information of any data packet.
  • the sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • the present invention provides a multicast service transmission apparatus, including:
  • a processor configured to establish a unicast bearer with the base station
  • the transceiver is configured to send the first indication information to the base station, where the first indication information is used to indicate that the unicast bearer established by the processor is used to receive the data packet of the multicast service sent by the base station; and the received base station transmits the multicast packet on the multicast bearer.
  • the data packet of the broadcast service and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the transceiver is further configured to: before the processor establishes a unicast bearer with the base station:
  • the processor is also used to:
  • the control triggers establishment of a unicast bearer with the base station when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver.
  • the processor determines, when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver, to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of a signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver when receiving the unicast bearer establishment threshold sent by the base station, is specifically used to:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver when the transceiver sends the first indication information to the base station, the transceiver is specifically configured to:
  • the transceiver is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • a ninth aspect, the present invention provides a multicast service transmission apparatus, including:
  • a processor configured to determine a unicast bearer established between the base station and the user equipment UE, for transmitting the multicast service received by the UE;
  • the transceiver is configured to send the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver is further configured to: before the processor determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processor is also used to:
  • the unicast bearer is determined to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver.
  • the transceiver sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the second indication information is sent to the base station.
  • a tenth aspect, the present invention provides a multicast service transmission apparatus, including:
  • a processor configured to determine a unicast bearer established between the base station and the user equipment UE, for transmitting the multicast service received by the UE;
  • the transceiver is configured to send the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver is further configured to: before the processor determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE:
  • the processor is also used to:
  • the transceiver sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the present invention provides a multicast service transmission apparatus, including:
  • a processor configured to establish a unicast bearer with the base station, where the unicast bearer is used to transmit the multicast service transmitted by the base station;
  • the transceiver is configured to send third indication information to the application server when the current cell where the corresponding user equipment UE is located is transmitting the multicast service by using the multicast bearer, where the third indication information is used to indicate that the transceiver is on the multicast bearer Receiving a data packet of the multicast service transmitted by the base station, and not receiving the data packet of the multicast service transmitted by the base station on the unicast bearer; receiving the data packet of the multicast service transmitted by the base station on the multicast bearer, and not on the unicast bearer Receiving data packets of the multicast service transmitted by the base station.
  • the transceiver is further configured to: before the processor establishes a unicast bearer with the base station:
  • the processor is also used to:
  • the control triggers establishment of a unicast bearer with the base station when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver.
  • the processor determines, when the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver, Specifically used for:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a signal strength threshold
  • the unicast bearer establishment indicator includes a signal strength; / or
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver is configured to: when receiving the unicast bearer establishment threshold sent by the base station, specifically:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the service receiving unit fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • the present invention provides a multicast service transmission apparatus, including:
  • a processor configured to determine, by the user equipment, the UE, that the data packet of the multicast service transmitted by the base station is received on the multicast bearer, and that the data packet of the multicast service transmitted by the base station is not received on the unicast bearer, where the unicast bearer is used for transmitting the UE Multicast service; stops transmitting packets of multicast traffic on a unicast bearer.
  • the device further includes:
  • a transceiver configured to receive third indication information sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the multicast transmission by the base station on the unicast bearer.
  • Business data package configured to receive third indication information sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the multicast transmission by the base station on the unicast bearer.
  • the processor stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the multicast bearer to transmit the data packet of the multicast service, and the UE is in the The data packet of the multicast service is received on the bearer, and the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the present invention provides a multicast service transmission method, including:
  • the base station establishes a unicast bearer with the user equipment UE;
  • the base station When the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, the base station schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule. The UE receives the data packet of the multicast service on the unicast bearer.
  • the method further includes:
  • the base station When the base station determines that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service, the base station schedules the UE to receive the data packet of the multicast service on the unicast bearer.
  • the method before the base station establishes a unicast bearer with the UE, the method further includes:
  • the eNB sends a unicast bearer setup threshold to the UE, so that the UE triggers the eNB to establish a unicast bearer with the UE when the unicast bearer needs to be established according to the received unicast bearer setup threshold.
  • the unicast bearer setup threshold includes a threshold of signal strength and/or a threshold of a signal quality indicator.
  • the base station sends a unicast bearer establishment threshold to the UE, including:
  • the base station sends a unicast bearer setup threshold to the UE through a broadcast message or a dedicated message.
  • the eNB determines that the established unicast bearer is used to transmit the multicast service received by the UE, including:
  • the base station receives the first indication information sent by the UE, where the first indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the receiving, by the base station, the first indication information sent by the UE includes:
  • the eNB receives the unicast bearer reconfiguration response message sent by the UE, and the response message carries the first indication information.
  • the base station determines the established unicast bearing The multicast service carried by the UE for transmitting, including:
  • the base station receives the second indication information sent by the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the receiving, by the base station, the second indication information sent by the core network device includes:
  • the eNB receives the unicast bearer setup request sent by the core network device, and the unicast bearer setup request carries the second indication information, where the unicast bearer setup request is used to trigger the base station to establish a unicast bearer with the UE.
  • the method further includes:
  • the base station schedules the UE to receive any data packet on the unicast bearer, and sequence indication information of any data packet, and the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • the present invention provides a multicast service transmission method, including:
  • the user equipment UE establishes a unicast bearer with the base station
  • the UE sends the first indication information to the base station, where the first indication information is used to indicate that the established unicast bearer is used to transmit the multicast service received by the UE;
  • the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the method before the UE establishes a unicast bearer with the base station, the method includes:
  • the UE When the UE determines that a unicast bearer needs to be established according to the unicast bearer setup threshold, the UE is triggered to establish a unicast bearer with the UE.
  • the UE determines, according to the unicast bearer establishment threshold, that the unicast bearer needs to be established, including:
  • the UE determines the unicast bearer establishment indicator of the current cell in which the UE is located. When the unicast bearer setup indicator is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of a signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the receiving, by the UE, the unicast bearer establishment threshold sent by the base station includes:
  • the UE receives the unicast bearer establishment threshold sent by the base station by using a broadcast message or a dedicated message.
  • the sending, by the UE, the first indication information to the base station includes:
  • the UE sends a unicast bearer reconfiguration response message to the base station, where the response message carries the first indication information.
  • the method further includes:
  • the UE When the UE determines that any data packet of the received multicast service fails, the UE sends a data packet reception failure indication message to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the UE receives any data packet sent by the base station and sequence indication information of any data packet on the unicast bearer, and the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • a multicast service transmission method includes:
  • the application server determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE;
  • the application server sends the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the application server determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE, including:
  • the application server receives the unicast bearer setup request sent by the UE, where the unicast bearer setup request is used to request to establish a unicast bearer for the UE to receive the multicast service.
  • the application server determines, according to the unicast bearer setup request, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the application server sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast received by the UE.
  • the second indication information is sent to the base station.
  • the present invention provides a multicast service transmission method, including:
  • the core network device determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE;
  • the core network device sends the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the core network device determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE, including:
  • the eNB receives the unicast bearer setup request sent by the application server, and the unicast bearer setup request is used to request to establish a unicast bearer for the UE to receive the multicast service.
  • the core network device determines, according to the unicast bearer setup request, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the core network device sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the present invention provides a multicast service transmission method, including:
  • the user equipment UE establishes a unicast bearer with the base station, and the unicast bearer is used to transmit the multicast received by the UE. business;
  • the UE When the UE determines that the current cell in which the current cell is transmitting the multicast service by using the multicast bearer, the UE sends the third indication information to the application server, where the third indication information is used to indicate that the UE receives the data of the multicast service transmitted by the base station on the multicast bearer. a packet, and not receiving a data packet of a multicast service transmitted by the base station on a unicast bearer;
  • the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the method before the UE establishes a unicast bearer with the base station, the method includes:
  • the UE When the UE determines that a unicast bearer needs to be established according to the unicast bearer setup threshold, the UE is triggered to establish a unicast bearer with the UE.
  • the UE determines, according to the unicast bearer establishment threshold, that the unicast bearer needs to be established, including:
  • the UE determines the unicast bearer establishment indicator of the current cell in which the UE is located. When the unicast bearer setup indicator is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of a signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the UE receives the unicast bearer setup threshold sent by the base station, including:
  • the UE receives the unicast bearer establishment threshold sent by the base station by using a broadcast message or a dedicated message.
  • the method further includes:
  • the UE When the UE determines that any data packet of the received multicast service fails, the UE sends a data packet reception failure indication message to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the UE receives any data packet sent by the base station and sequence indication information of any data packet on the unicast bearer, and the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • a multicast service transmission method includes:
  • the application server determines that the user server UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer, and the unicast bearer is used to transmit the multicast received by the UE. business;
  • the application server stops transmitting packets of the multicast service on the unicast bearer.
  • the application server determines that the user server UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the multicast service transmitted by the base station on the unicast bearer.
  • Packets including:
  • the application server receives the third indication information sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data of the multicast service transmitted by the base station on the unicast bearer. package.
  • the application server stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the multicast bearer to transmit the data packet of the multicast service, and the UE is in the The data packet of the multicast service is received on the bearer, and the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the base station when the base station transmits the multicast service to the UE, the base station learns the association between the unicast bearer and the multicast service of the UE, and the base station can select whether to schedule the unicast bearer according to the current cell transmission multicast service mode. Transmitting the multicast service to the UE, that is, when the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, scheduling the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the multicast on the multicast bearer.
  • the data packet of the service and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer, thereby avoiding the process of transmitting the multicast service by using the prior art solution.
  • the technical solution in the present embodiment can improve the utilization of the bearer resources for transmitting the multicast service, because the problem of the waste of the bearer resources caused by the base station simultaneously scheduling the multicast bearer and the unicast bearer.
  • FIG. 1 is a schematic diagram of a user equipment receiving a multicast service
  • FIG. 2 is a schematic diagram of a user equipment receiving a multicast service
  • FIG. 3 is a schematic structural diagram of an LTE communication system according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of a multicast service transmission apparatus according to an embodiment of the present invention.
  • FIG. 16 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 17 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 18 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 19 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 20 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 21 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 22 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 23 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • FIG. 24 is a schematic flowchart of a multicast service transmission method according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access Wireless
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • a user equipment (English: User Equipment, UE for short) may also be called a mobile terminal (Mobile Terminal), a mobile user equipment, or the like, and may be connected to a radio access network (for example, a Radio Access Network, Referred to as RAN) to communicate with one or more core network devices
  • the UE may be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, may be portable, pocket, handheld Mobile devices built into the computer or in-vehicle, which exchange language and/or data with the wireless access network, and are not limited by the present invention.
  • the base station has a function of receiving and transmitting data, and the corresponding sending device and receiving device may be a UE, a base station controller, a core network device, and a primary base station, and the present invention is not limited thereto.
  • the base station may be a base station in GSM or CDMA (English: Base Transceiver Station, BTS for short), or a base station (Node B) in WCDMA, or an evolved base station in LTE (English: evolved Node B, Abbreviation: eNB), the present invention is not limited.
  • the base station also includes control nodes of various access network nodes, such as a wireless network port controller in UMTS (English: Radio Network Controller, Jane) Said: RNC), or controllers that manage multiple small base stations.
  • the wireless communication network 100 can include at least one base station 110 and a core network device 130 for supporting the UE 120 for communication.
  • base station 110 can be an eNB in LTE that can support or manage one or more cells.
  • the core network device 130 may include a mobility management entity (English: Mobile Management Entity, MME for short).
  • the scenario involved is that when the UE moves from the current cell to the target cell to be handed over, the base station transmits the multicast service to the UE.
  • the unicast bearer refers to a dedicated radio bearer established by the base station and the UE; the multicast bearer may be a multimedia broadcast multicast service bearer or a single-cell point-to-multipoint service bearer, but is not limited thereto.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the transceiver module 401 is configured to send a data packet of the multicast service to the user equipment UE.
  • the processing module 402 is configured to establish a unicast bearer with the UE, and determine that the established unicast bearer is used for transmitting the multicast service, and schedule the multicast when determining that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer.
  • the data packet carrying the multicast service is carried, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • processing module 402 is further configured to:
  • the scheduling UE receives the data packet of the multicast service on the unicast bearer.
  • the transceiver module 401 is further configured to:
  • the unicast bearer setup threshold is sent to the UE, so that when the UE determines that the unicast bearer needs to be established according to the received unicast bearer setup threshold, the trigger processing module 402 establishes a unicast bearer with the UE.
  • the unicast bearer setup threshold includes a threshold of signal strength and/or a threshold of a signal quality indicator.
  • the transceiver module 401 is specifically configured to:
  • the unicast bearer setup threshold is sent to the UE through a broadcast message or a dedicated message.
  • the transceiver module 401 is further configured to:
  • the first indication information is used to indicate that the unicast bearer established by the processing module 402 is used for transmitting the multicast service.
  • the transceiver module 401 when receiving the first indication information sent by the UE, is specifically configured to:
  • the transceiver module 401 is further configured to:
  • the transceiver module 401 when receiving the second indication information sent by the core network device, is specifically configured to:
  • the unicast bearer setup request is sent by the core network device, and the unicast bearer setup request carries the second indication information, and the unicast bearer setup request is used to trigger the processing module 402 to establish a unicast bearer with the UE.
  • the transceiver module 401 is further configured to:
  • the processing module 402 is further configured to:
  • the scheduling UE receives any data packet sent by the transceiver module 401 on the unicast bearer, and sequence indication information of any data packet.
  • sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processing module 501 is configured to establish a unicast bearer with the base station
  • the transceiver module 502 is configured to send the first indication information to the base station, where the first indication information is used to indicate that the unicast bearer established by the processing module 501 is used to receive the data packet of the multicast service sent by the base station, and the base station transmits the multicast packet on the multicast bearer.
  • the data packet of the multicast service and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the transceiver module 502 is further configured to:
  • the processing module 501 is further configured to:
  • the control triggers the establishment of a unicast bearer with the base station.
  • the processing module 501 determines that the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module 502, the processing module 501 is specifically configured to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver module 502 when receiving the unicast bearer establishment threshold sent by the base station, the transceiver module 502 is specifically configured to:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver module 502 is specifically configured to:
  • the transceiver module 502 is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • sequence indication information includes:
  • the transceiver module 502 receives the moment when any of the data packets fails.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processing module 601 is configured to determine that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE;
  • the transceiver module 602 is configured to send the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver module 602 is further configured to: before the processing module 601 determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processing module 601 is further configured to:
  • the unicast bearer is determined to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver module 602.
  • the transceiver module 602 sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE, and sends the second indication information to the base station. .
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processing module 701 is configured to determine that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE.
  • the transceiver module 702 is configured to send the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver module 702 is further configured to: before the processing module 701 determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processing module 701 is further configured to:
  • the unicast bearer is determined to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver module 702.
  • the transceiver module 702 sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the base station when the base station transmits the multicast service to the UE, the base station learns the association between the unicast bearer and the multicast service of the UE, and the base station can select whether to schedule the scheduling according to the current cell transmission multicast service mode.
  • the broadcast bearer transmits the multicast service to the UE.
  • the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, the base station schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the multicast bearer.
  • the data packet of the multicast service does not schedule the UE to receive the data packet of the multicast service on the unicast bearer, and avoids the process of transmitting the multicast service by using the prior art scheme, because the base station simultaneously schedules the multicast bearer and the unicast bearer.
  • the bearer resource utilization problem of the multicast service can be improved by the technical solution in this embodiment.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processing module 801 is configured to establish a unicast bearer with the base station, where the unicast bearer is used to transmit the multicast service transmitted by the base station;
  • the transceiver module 802 is configured to send a third indication information to the application server when the current cell where the corresponding user equipment UE is located is transmitting the multicast service by using the multicast bearer, where the third indication information is used to indicate that the transceiver module 802 is multicasting.
  • the transceiver module 802 is further configured to:
  • the processing module 801 is further configured to:
  • the control triggers the establishment of a unicast bearer with the base station.
  • the processing module 801 determines that the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver module 802, the processing module 801 is specifically configured to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver module 802 when receiving the unicast bearer establishment threshold sent by the base station, the transceiver module 802 is specifically configured to:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver module 802 is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the service receiving unit fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • sequence indication information includes:
  • the transceiver module 802 receives the moment when any of the data packets fails.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processing module 901 is configured to determine that the user equipment UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer, and unicasts
  • the bearer is used to transmit the multicast service received by the UE; the data packet for transmitting the multicast service on the unicast bearer is stopped.
  • the device further includes:
  • the transceiver module 902 is configured to receive third indication information that is sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the base station transmission on the unicast bearer. Broadcast data packets.
  • the processing module 901 stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the data packet of the multicast bearer transmission multicast service, and the UE receives the data packet of the multicast service on the multicast bearer. And the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the UE when the base station transmits the multicast service to the UE, the UE selects to receive the multicast service by using the unicast bearer according to the current cell transmission multicast service mode, that is, the UE determines the current cell where the UE is located.
  • the data packet of the multicast service is received on the multicast bearer, and the data packet of the multicast service is not received on the unicast bearer, thereby avoiding the process of transmitting the multicast service by using the prior art scheme.
  • the utilization of the bearer resource used for transmitting the multicast service can be improved by the technical solution in this embodiment, because the base station simultaneously schedules the multicast bearer and the unicast bearer.
  • the third embodiment corresponds to the first embodiment
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the transceiver 1001 is configured to send a data packet of the multicast service to the user equipment UE.
  • the processor 1002 is configured to establish a unicast bearer with the UE, and determine that the established unicast bearer is used to transmit the multicast service, and schedule the multicast when determining that the current cell where the UE is located is using the multicast bearer to transmit the multicast service.
  • the data packet carrying the multicast service is carried, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • processor 1002 is further configured to:
  • the scheduling UE receives the data packet of the multicast service on the unicast bearer.
  • the transceiver 1001 is further configured to:
  • the unicast bearer setup threshold is sent to the UE, so that when the UE determines that the unicast bearer needs to be established according to the received unicast bearer setup threshold, the trigger processor 1002 establishes a unicast bearer with the UE.
  • the unicast bearer setup threshold includes a threshold of signal strength and/or a threshold of a signal quality indicator.
  • the transceiver 1001 when the transceiver 1001 sends a unicast bearer establishment threshold to the UE, the transceiver 1001 is specifically configured to:
  • the unicast bearer setup threshold is sent to the UE through a broadcast message or a dedicated message.
  • the transceiver 1001 is further configured to: before the processor 1002 determines that the established unicast bearer is used to transmit the multicast service:
  • the transceiver 1001 when receiving the first indication information sent by the UE, is specifically configured to:
  • the transceiver 1001 is further configured to: before the processor 1002 determines that the established unicast bearer is used to transmit the multicast service:
  • the transceiver 1001 when receiving the second indication information sent by the core network device, the transceiver 1001 is specifically configured to:
  • the unicast bearer setup request is sent by the core network device, and the unicast bearer setup request carries the second indication information, where the unicast bearer setup request is used to trigger the processor 1002 to establish a unicast bearer with the UE.
  • the transceiver 1001 is further configured to:
  • the processor 1002 is also configured to:
  • the scheduling UE receives any data packet sent by the transceiver 1001 on the unicast bearer, and any data The sequence indication information of the packet.
  • sequence indication information includes:
  • the UE confirms the time when any of the data packets failed to be received.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processor 1101 is configured to establish a unicast bearer with the base station.
  • the transceiver 1102 is configured to send first indication information to the base station, where the first indication information is used to indicate that the unicast bearer established by the processor 1101 is used to receive the data packet of the multicast service sent by the base station, and the base station transmits the received base station on the multicast bearer.
  • the data packet of the multicast service and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the transceiver 1102 is further configured to:
  • the processor 1101 is further configured to:
  • the control triggers the establishment of a unicast bearer with the base station.
  • the processor 1101 is specifically configured to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver 1102 when receiving the unicast bearer establishment threshold sent by the base station, the transceiver 1102 is specifically configured to:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver 1102 is specifically configured to:
  • the transceiver 1102 is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the UE fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • sequence indication information includes:
  • the transceiver 1102 receives the moment when any of the data packets failed.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processor 1201 is configured to determine that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE.
  • the transceiver 1202 is configured to send the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver 1202 is further configured to: before the processor 1201 determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processor 1201 is further configured to:
  • the unicast bearer is determined to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver 1202.
  • the transceiver 1202 sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE, and sends the second indication information to the base station. .
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processor 1301 is configured to determine a unicast bearer established between the base station and the user equipment UE for transmitting Transmitting the multicast service received by the UE;
  • the transceiver 1302 is configured to send the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the transceiver 1302 is further configured to: before the processor 1301 determines that the unicast bearer established between the base station and the UE is used to transmit the multicast service received by the UE,
  • the processor 1301 is also configured to:
  • the unicast bearer is determined to transmit the multicast service received by the UE according to the unicast bearer setup request received by the transceiver 1302.
  • the transceiver 1302 sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE.
  • the base station when the base station transmits the multicast service to the UE, the base station learns the association between the unicast bearer and the multicast service of the UE, and the base station can select whether to schedule the scheduling according to the current cell transmission multicast service mode.
  • the broadcast bearer transmits the multicast service to the UE.
  • the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, the base station schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the multicast bearer.
  • the data packet of the multicast service does not schedule the UE to receive the data packet of the multicast service on the unicast bearer, and avoids the process of transmitting the multicast service by using the prior art scheme, because the base station simultaneously schedules the multicast bearer and the unicast bearer.
  • the bearer resource utilization problem of the multicast service can be improved by the technical solution in this embodiment.
  • Embodiment 4 corresponds to the second embodiment
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processor 1401 is configured to establish a unicast bearer with the base station, where the unicast bearer is used to transmit the multicast service transmitted by the base station;
  • the transceiver 1402 is configured to send third indication information to the application server when the current cell where the corresponding user equipment UE is located is transmitting the multicast service by using the multicast bearer, where the third indication information is used by the third indicator information.
  • the receiving transceiver 1402 receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer; and receives the multicast service transmitted by the base station on the multicast bearer. The data packet, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the transceiver 1402 is further configured to:
  • the processor 1401 is further configured to:
  • the control triggers establishment of a unicast bearer with the base station when it is determined that the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver 1402.
  • the processor 1401 when determining, by the processor 1401, that the unicast bearer needs to be established according to the unicast bearer setup threshold received by the transceiver 1402, the processor 1401 is specifically configured to:
  • the unicast bearer setup indicator of the current cell where the user equipment UE is located is determined.
  • the unicast bearer setup index is less than or equal to the unicast bearer setup threshold, it is determined that the unicast bearer with the base station needs to be established.
  • the unicast bearer establishment threshold includes a threshold of signal strength
  • the unicast bearer establishment indicator includes a signal strength
  • the unicast bearer establishment threshold includes a threshold of a signal quality indicator, and the unicast bearer establishment indicator includes a signal quality indicator.
  • the transceiver 1402 when receiving the unicast bearer establishment threshold sent by the base station, the transceiver 1402 is specifically configured to:
  • the unicast bearer establishment threshold sent by the base station is received through a broadcast message or a dedicated message.
  • the transceiver 1402 is further configured to:
  • the data packet receiving failure indication message is sent to the base station, where the indication message is used to indicate that the service receiving unit fails to receive any data packet;
  • the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • sequence indication information includes:
  • Transceiver 1402 receives the moment when any of the data packets failed.
  • an embodiment of the present invention provides a multicast service transmission apparatus, including:
  • the processor 1501 is configured to determine that the user equipment UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer, where the unicast bearer is used to transmit the UE. Received multicast service; stops transmitting data packets of multicast service on a unicast bearer.
  • the device further includes:
  • the transceiver 1502 is configured to receive third indication information that is sent by the UE, where the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the base station transmission on the unicast bearer. Broadcast data packets.
  • the processor 1501 stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the multicast bearer to transmit the data packet of the multicast service, and the UE receives the data packet of the multicast service on the multicast bearer. And the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the UE when the base station transmits the multicast service to the UE, the UE selects to receive the multicast service through the unicast bearer according to the current cell transmission multicast service mode, that is, the UE determines the current cell where the UE is located.
  • the data packet of the multicast service is received on the multicast bearer, and the data packet of the multicast service is not received on the unicast bearer, thereby avoiding the process of transmitting the multicast service by using the prior art scheme.
  • the utilization of the bearer resource used for transmitting the multicast service can be improved by the technical solution in this embodiment, because the base station simultaneously schedules the multicast bearer and the unicast bearer.
  • Embodiment 5 corresponds to the first embodiment
  • an embodiment of the present invention provides a method for transmitting a multicast service, where the method is performed by a base station, including:
  • the base station establishes a unicast bearer with the user equipment UE.
  • the eNB determines that the established unicast bearer is used to transmit the multicast service received by the UE.
  • the base station determines that the current cell where the UE is located is using the multicast bearer to transmit the multicast service.
  • the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the base station establishes a unicast bearer with the UE to prevent the UE from transmitting the multicast service interruption to the UE when the UE switches from the current cell to the target cell.
  • the base station after the base station establishes a unicast bearer with the UE, when the data packet of the multicast service associated with the unicast bearer arrives at the base station, if the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer, The unicast bearer resources are occupied to save resources.
  • the base station schedules other UEs to receive the multicast service on the multicast bearer, and schedules the current UE to receive the multicast service on the unicast bearer, which causes waste of resources.
  • the base station when determining that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service, schedules the UE to receive the data packet of the multicast service on the unicast bearer.
  • the base station may determine, by using the following method, that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service:
  • Method 1 when the base station receives the notification message of stopping the multicast service sent by the server that controls the multicast service, it is determined that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service.
  • Method 2 The base station determines that the number of UEs receiving the multicast service in the current cell is less than a preset value, and determines that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service.
  • the base station may request the UE to report whether to receive the multicast service, and the base station determines the number of UEs that receive the multicast service in the current cell according to the information reported by each UE.
  • the base station when receiving the unicast bearer setup request sent by the core network device, the base station may determine that the UE is in an edge region of the current cell, where the unicast bearer setup request is used to request the base station to establish a unicast bearer with the UE.
  • the sending of the unicast bearer setup request by the core network device to the base station is triggered by the UE sending a unicast bearer setup request to the core network device by using the application server.
  • the eNB may send a unicast bearer setup threshold to the UE before establishing the unicast bearer with the UE, so that the UE determines that the unicast bearer needs to be established according to the received unicast bearer setup threshold, and triggers the base station to establish the UE with the UE.
  • Unicast bearer Specifically, the base station sends a unicast bearer establishment threshold to the UE, The UE determines the unicast bearer establishment indicator of the current cell. When the unicast bearer setup indicator is less than or equal to the unicast bearer setup threshold, the UE may determine that it is in the edge region of the current cell.
  • the UE sends a unicast bearer setup request to the core network device through the application server, to trigger the core network device to request the base station to establish a unicast bearer with the UE.
  • the base station sends a unicast bearer setup threshold to the UE by using a broadcast message or a dedicated message, where the dedicated message includes a unicast bearer reconfiguration message, but is not limited thereto.
  • the unicast bearer establishment threshold may be a signal strength threshold, and the unicast bearer establishment indicator may be a signal strength; the unicast bearer establishment threshold may be a signal quality indicator threshold, and the unicast bearer establishment indicator includes a signal quality indicator. But it is not limited to this. Taking the threshold of the signal strength as a unicast bearer establishment threshold, the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell.
  • the UE can determine whether the UE is in the edge region of the current cell by detecting the signal strength of the current geographic location and comparing the signal strength of the current geographic location with the threshold of the signal strength, and then determining when the edge region of the current cell is determined.
  • the base station needs to be triggered to establish a unicast bearer with the UE.
  • the unicast bearer that is determined by the base station to be used for transmitting the multicast service received by the UE may be implemented in two ways:
  • the first indication information sent by the UE may be received by the base station, where the first indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the first indication information includes the identifier information of the unicast bearer and the identifier information of the multicast service associated with the unicast bearer.
  • the eNB sends a unicast bearer reconfiguration message to the UE; the eNB receives the unicast bearer reconfiguration response message sent by the UE, and the response message carries the first indication. information.
  • the second indication information that is sent by the core network device is received by the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the second indication information includes the identifier information of the unicast bearer and the identifier information of the multicast service associated with the unicast bearer.
  • the eNB receives the unicast bearer setup request sent by the core network device, and the unicast bearer setup request carries the second indication information.
  • the UE sends a unicast bearer setup request to the core network device by using the application server, and the unicast bearer setup request carries the second indication information.
  • the core network device After receiving the unicast bearer setup request, the core network device sends a unicast bearer setup request to the base station.
  • the unicast bearer setup request carries the second indication information.
  • the base station after receiving the data packet reception failure indication message sent by the UE, the base station schedules the UE to receive any data packet on the unicast bearer, and sequence indication information of any data packet.
  • the indication message is used to indicate that the UE receives any data packet failure of the multicast service
  • the sequence indication information is used to indicate the sequence location of any data packet in the multicast service.
  • the sequence indication information may be a moment when the base station transmits the any data packet to the UE for the first time, or a time when the UE fails to receive the any data packet, but is not limited thereto.
  • the UE may restore the received one of the data packets to the data packet of the multicast service according to the sequence indication information.
  • the first implementation manner of determining the unicast bearer established by the eNB for transmitting the multicast service received by the UE (the first implementation manner is that the base station receives the first indication information sent by the UE), and correspondingly, as shown in FIG.
  • the embodiment of the present invention provides a method for transmitting a multicast service, where the method is performed by the UE, including:
  • the user equipment UE establishes a unicast bearer with the base station;
  • the UE sends the first indication information to the base station, where the first indication information is used to indicate that the established unicast bearer is used to transmit the multicast service received by the UE.
  • the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the UE establishes a unicast bearer with the base station when determining that it is in the edge region of the current cell.
  • the UE receives the unicast bearer setup threshold sent by the base station before establishing the unicast bearer with the base station, and then the UE determines the unicast bearer setup indicator of the current cell, where the unicast bearer setup index is less than or equal to the unicast bearer.
  • the threshold is established, it is determined that it is in the edge area of the current cell.
  • the UE After determining that the UE is in the edge area of the current cell, the UE sends a unicast bearer setup request to the base station through the application server and the core network device to trigger the base station to establish a unicast bearer with the UE.
  • the UE receives the unicast bearer setup threshold sent by the base station by using a broadcast message or a dedicated message, where the dedicated message includes a unicast bearer reconfiguration message, but is not limited thereto.
  • the unicast bearer establishment threshold may be a signal strength threshold, where the unicast bearer establishment indicator is a signal strength; the unicast bearer establishment threshold may be a signal quality indicator threshold, and the unicast bearer establishment indicator includes a signal quality. Indicators, but are not limited to this. Taking the threshold of the signal strength as a unicast bearer establishment threshold, the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell.
  • the UE can determine whether the UE is in the edge region of the current cell by detecting the signal strength of the current geographic location and comparing the signal strength of the current geographic location with the threshold of the signal strength, and then determining when the edge region of the current cell is determined.
  • the base station needs to be triggered to establish a unicast bearer with the UE.
  • the UE sends a unicast bearer reconfiguration response message to the base station, where the response message carries the first indication information, where the first indication information includes the identifier information of the unicast bearer and the multicast associated with the unicast bearer. Identification information of the business.
  • the UE when determining that any data packet of the receiving multicast service fails, the UE sends a data packet reception failure indication message to the base station, where the indication message is used to indicate that the UE fails to receive any data packet; the UE receives the unicast bearer. Any data packet sent by the base station, and sequence indication information of any data packet, the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information may be a moment when the base station transmits the any data packet to the UE for the first time, or a time when the UE fails to receive the any data packet, but is not limited thereto.
  • the UE may restore any of the received data packets to the multicast service according to the sequence indication information.
  • the first implementation manner of determining, by the base station, the unicast bearer used for transmitting the multicast service received by the UE (the first implementation manner is that the base station receives the first indication information sent by the UE), and correspondingly, the base station, the UE, and the like
  • the interaction process between the embodiments of the present invention provides a multicast service transmission method, as shown in FIG. 18, including:
  • the base station sends a unicast bearer establishment threshold to the UE.
  • the base station sends a unicast bearer establishment threshold to the UE by using a broadcast message or a dedicated message.
  • the UE determines the unicast bearer establishment indicator of the current cell, and determines that the unicast bearer establishment indicator is in the edge area of the current cell when the unicast bearer establishment indicator is less than or equal to the unicast bearer establishment threshold.
  • the unicast bearer establishment threshold may be a threshold of the signal strength, and the unicast bearer is established.
  • the indicator is the signal strength;
  • the unicast bearer establishment threshold may be the threshold of the signal quality indicator, and the unicast bearer establishment indicator includes the signal quality indicator.
  • the threshold of the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell. Therefore, the UE can determine whether the UE is in the edge region of the current cell by detecting the signal strength of the current geographic location and comparing the signal strength of the current geographic location with the threshold of the signal strength.
  • S1803 The UE sends a unicast bearer setup request to the application server.
  • the application server triggers the core network device to establish a unicast bearer between the base station and the UE.
  • S1805 The core network device sends a unicast bearer setup request to the base station.
  • S1806 The base station establishes a unicast bearer with the UE.
  • the base station sends a unicast bearer reconfiguration message to the UE.
  • S1808 The UE sends a unicast bearer reconfiguration response message to the base station, where the response message carries the first indication information.
  • the first indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the first indication information includes the identifier information of the unicast bearer and the identifier information of the multicast service associated with the unicast bearer.
  • the base station determines that the current cell where the UE is located is using the multicast bearer to transmit the multicast service, and schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not Scheduling a UE to receive a data packet of a multicast service on a unicast bearer; or
  • the base station When the base station determines that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service, the base station schedules the UE to receive the data packet of the multicast service on the unicast bearer.
  • the S1810 the UE sends a data packet reception failure indication message to the base station when the data packet of the receiving the multicast service fails, and the indication message is used to indicate that the UE fails to receive any data packet.
  • S1811 The base station schedules the UE to receive any data packet on the unicast bearer, and sequence indication information of any data packet.
  • the sequence indication information is used to indicate the sequence location of the any data packet in the multicast service.
  • the sequence indication information may be a time when the base station transmits the any data packet to the UE for the first time, or The time at which the UE fails to receive any of the data packets is confirmed, but is not limited thereto.
  • a second implementation manner of determining, by the base station, a unicast bearer for transmitting a multicast service received by the UE (the second implementation manner is that the base station receives the second indication information sent by the core network device), corresponding to FIG. 19
  • the embodiment of the present invention provides a method for transmitting a multicast service, where the execution subject is an application server, including:
  • the application server determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE.
  • the application server sends the second indication information to the core network device, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the application server may determine, according to the received unicast bearer setup request, the unicast bearer established between the base station and the user equipment UE to transmit the multicast service received by the UE.
  • the unicast bearer setup request is used to request to establish a unicast bearer for the UE to receive the multicast service.
  • the application server sends the second indication information to the core network device, so that the core network device determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE, and sends the second indication information to the base station.
  • the base station may determine that the established unicast bearer with the UE is used to transmit the multicast service received by the UE, and then the base station schedules the UE to receive the multicast bearer when determining that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer.
  • a data packet of a multicast service and does not schedule a UE to receive a data packet of a multicast service on a unicast bearer.
  • the second implementation manner of determining the unicast bearer established by the base station for transmitting the multicast service received by the UE (the second implementation manner is that the base station receives the second indication information sent by the core network device), corresponding to FIG. 20
  • the embodiment of the present invention provides a method for transmitting a multicast service, where the execution subject is a core network device, including:
  • the core network device determines that the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE.
  • the core network device sends the second indication information to the base station, where the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE.
  • the core network device may be built according to the unicast bearer sent by the received application server.
  • the unicast bearer established between the base station and the user equipment UE is used to transmit the multicast service received by the UE.
  • the unicast bearer setup request is used to request to establish a unicast bearer for the UE to receive the multicast service.
  • the core network device sends the second indication information to the base station, so that the base station determines, according to the second indication information, that the unicast bearer is used to transmit the multicast service received by the UE, and the base station determines that the current cell where the UE is located is being utilized.
  • the bearer transmits the multicast service
  • the UE is scheduled to receive the data packet of the multicast service on the multicast bearer, and the UE is not scheduled to receive the data packet of the multicast service on the unicast bearer.
  • a second implementation manner of determining, by the base station, a unicast bearer for transmitting a multicast service received by the UE (the second implementation manner is that the base station receives the second indication information sent by the core network device), corresponding, the base station, and the application
  • the process of the interaction between the server and the core network device is implemented.
  • the embodiment of the present invention provides a multicast service transmission method, as shown in FIG. 21, including:
  • the base station sends a unicast bearer establishment threshold to the UE.
  • the base station sends a unicast bearer establishment threshold to the UE by using a broadcast message or a dedicated message.
  • the UE determines the unicast bearer establishment indicator of the current cell, and determines that the unicast bearer establishment indicator is smaller than or equal to the unicast bearer establishment threshold, and determines that it is in the edge area of the current cell.
  • the unicast bearer establishment threshold may be a signal strength threshold, where the unicast bearer establishment indicator is a signal strength; the unicast bearer establishment threshold may be a signal quality indicator threshold, and the unicast bearer establishment indicator includes a signal quality. index.
  • the threshold of the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell. Therefore, the UE can determine whether the UE is in the edge region of the current cell by detecting the signal strength of the current geographic location and comparing the signal strength of the current geographic location with the threshold of the signal strength.
  • S2103 The UE sends a unicast bearer setup request to the application server.
  • the unicast bearer setup request is used to request to establish a unicast bearer between the base station and the UE, and the unicast bearer is used for the UE to receive the multicast service transmitted by the base station (prior art).
  • S2104 The application server sends a unicast setup request to the core network device, where the unicast setup request carries the second indication information.
  • the second indication information is used to indicate that the unicast bearer is used to transmit the multicast service received by the UE; optionally, The second indication information includes identifier information of the unicast bearer of the UE, and identifier information of the multicast service associated with the unicast bearer.
  • step S2104 when the application server sends a unicast setup request to the core network device, the unicast bearer is not required to transmit the multicast service received by the UE.
  • the core network device sends a unicast bearer setup request to the base station, where the unicast bearer setup request carries the second indication information.
  • S2106 The base station establishes a unicast bearer with the UE.
  • S2107 The base station sends a unicast bearer reconfiguration message to the UE.
  • the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, and scheduling the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not Scheduling a UE to receive a data packet of a multicast service on a unicast bearer; or
  • the base station When the base station determines that the current cell where the UE is located does not use the multicast bearer to transmit the multicast service, the base station schedules the UE to receive the data packet of the multicast service on the unicast bearer.
  • the S2109 the UE sends a data packet reception failure indication message to the base station when the data packet of the receiving the multicast service fails, and the indication message is used to indicate that the UE fails to receive any data packet.
  • S2110 The base station schedules the UE to receive any data packet on the unicast bearer, and sequence indication information of any data packet.
  • the sequence indication information is used to indicate the sequence location of the any data packet in the multicast service.
  • the sequence indication information may be a moment when the base station transmits the any data packet to the UE for the first time, or a time when the UE fails to receive the any data packet, but is not limited thereto.
  • the base station when the base station transmits the multicast service to the UE, the base station learns the association between the unicast bearer and the multicast service of the UE, and the base station can select whether to schedule according to the current cell transmission multicast service mode.
  • the unicast bearer transmits the multicast service to the UE, that is, when the base station determines that the current cell where the UE is located is transmitting the multicast service by using the multicast bearer, the base station schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE is on the multicast bearer.
  • Embodiment 6 corresponds to the second embodiment
  • an embodiment of the present invention provides a method for transmitting a multicast service, where the method is performed by a UE, including:
  • S2201 The user equipment UE establishes a unicast bearer with the base station, and the unicast bearer is used to transmit the multicast service received by the UE.
  • S2202 The UE sends a third indication information to the application server when the current cell in which the current cell is located is transmitting the multicast service by using the multicast bearer, where the third indication information is used to indicate that the UE receives the multicast service transmitted by the base station on the multicast bearer.
  • S2203 The UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the UE establishes a unicast bearer with the base station when determining that it is in the edge region of the current cell.
  • the UE receives the unicast bearer setup threshold sent by the base station before establishing the unicast bearer with the base station, and then the UE determines the unicast bearer setup indicator of the current cell, where the unicast bearer setup index is less than or equal to the unicast bearer.
  • the threshold is established, it is determined that it is in the edge area of the current cell.
  • the UE After determining that the UE is in the edge area of the current cell, the UE sends a unicast bearer setup request to the base station through the application server and the core network device to trigger the base station to establish a unicast bearer with the UE.
  • the UE receives the unicast bearer setup threshold sent by the base station by using a broadcast message or a dedicated message, where the dedicated message includes a unicast bearer reconfiguration message, but is not limited thereto.
  • the unicast bearer establishment threshold may be a signal strength threshold, where the unicast bearer establishment indicator is a signal strength; the unicast bearer establishment threshold may be a signal quality indicator threshold, and the unicast bearer establishment indicator includes a signal quality. Indicators, but are not limited to this. Taking the threshold of the signal strength as a unicast bearer establishment threshold, the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell. Therefore, the UE can detect the signal strength of the current geographic location and compare the signal strength and the current geographic location. The threshold of the strength of the number is used to determine whether the UE is in the edge region of the current cell. When determining the edge region of the current cell, it is determined that the base station needs to be triggered to establish a unicast bearer with the UE.
  • the UE when determining that any data packet of the receiving multicast service fails, the UE sends a data packet reception failure indication message to the base station, where the indication message is used to indicate that the UE fails to receive any data packet; the UE receives the unicast bearer. Any data packet sent by the base station, and sequence indication information of any data packet, the sequence indication information is used to indicate the sequence position of any data packet in the multicast service.
  • the sequence indication information may be a moment when the base station transmits the any data packet to the UE for the first time, or a time when the UE fails to receive the any data packet, but is not limited thereto.
  • the UE may restore any of the received data packets to the multicast service according to the sequence indication information.
  • an embodiment of the present invention provides a method for transmitting a multicast service, where the execution subject is an application server, including:
  • the application server determines that the user server receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer, where the unicast bearer is used to transmit the UE received by the UE.
  • Multicast service
  • S2302 The application server stops transmitting data packets of the multicast service on the unicast bearer.
  • the application server determines, according to the received third indication information sent by the UE, that the user server receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not transmit the multicast message transmitted by the base station on the unicast bearer scheduling.
  • the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station in the multicast bearer scheduling, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the application server stops transmitting the data packet of the multicast service on the unicast bearer, so that the base station schedules the multicast bearer to transmit the data packet of the multicast service, and the UE receives the data packet of the multicast service on the multicast bearer. And the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the embodiment of the present invention provides a multicast service transmission method, and the interaction process between the UE and the application server is as follows:
  • the base station sends a unicast bearer establishment threshold to the UE.
  • the base station sends a unicast bearer establishment threshold to the UE by using a broadcast message or a dedicated message.
  • the UE determines the unicast bearer establishment indicator of the current cell, and determines that it is in the edge area of the current cell when the unicast bearer establishment indicator is less than or equal to the unicast bearer establishment threshold.
  • the unicast bearer establishment threshold may be a signal strength threshold, where the unicast bearer establishment indicator is a signal strength; the unicast bearer establishment threshold may be a signal quality indicator threshold, and the unicast bearer establishment indicator includes a signal quality. index.
  • the threshold of the signal strength is weakened as the distance between the current geographic location and the cell center location increases, and the signal strength is weak when the UE is in the edge region of the cell. Therefore, the UE can determine whether the UE is in the edge region of the current cell by detecting the signal strength of the current geographic location and comparing the signal strength of the current geographic location with the threshold of the signal strength.
  • S2403 The UE sends a unicast bearer setup request to the application server.
  • the application server triggers the core network device to establish a unicast bearer between the base station and the UE.
  • S2405 The core network device sends a unicast bearer setup request to the base station.
  • S2406 The base station establishes a unicast bearer with the UE.
  • the base station sends a unicast bearer reconfiguration message to the UE.
  • S2408 The UE sends the third indication information to the application server when the current cell in which the current cell is located is transmitting the multicast service by using the multicast bearer.
  • the third indication information is used to indicate that the UE receives the data packet of the multicast service transmitted by the base station on the multicast bearer, and does not receive the data packet of the multicast service transmitted by the base station on the unicast bearer.
  • the third indication information may be carried by the UE, and the UE may send the third indication information to the application server by using other methods, which is not limited herein.
  • S2409 The application server stops transmitting the data packet of the multicast service on the unicast bearer.
  • the base station is configured to receive the data packet of the multicast bearer transmission multicast service, the UE receives the data packet of the multicast service on the multicast bearer, and the base station does not schedule the UE to receive the data packet of the multicast service on the unicast bearer;
  • the base station schedules the multicast bearer to transmit the data packet of the multicast service, so that the UE receives the data packet of the multicast service on the multicast bearer, and does not schedule the UE to receive the data packet of the multicast service on the unicast bearer.
  • the S2411 the UE sends a data packet reception failure indication message to the base station when the data packet of the receiving the multicast service fails, and the indication message is used to indicate that the UE fails to receive any data packet.
  • S2412 The base station schedules the UE to receive any data packet on the unicast bearer, and sequence indication information of any data packet.
  • the sequence indication information is used to indicate the sequence location of the any data packet in the multicast service.
  • the sequence indication information may be a moment when the base station transmits the any data packet to the UE for the first time, or a time when the UE fails to receive the any data packet, but is not limited thereto.
  • the UE when the base station transmits the multicast service to the UE, the UE selects to receive the multicast service through the unicast bearer according to the current cell transmission multicast service mode, that is, the UE determines the current location of the UE.
  • the cell is transmitting the multicast service by using the multicast bearer
  • the data packet of the multicast service is received on the multicast bearer, and the data packet of the multicast service is not received on the unicast bearer, thereby avoiding the transmission of the multicast service by using the prior art solution.
  • the bearer resource utilization rate for transmitting the multicast service can be improved by the technical solution in this embodiment, because the base station simultaneously schedules the multicast bearer and the unicast bearer.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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

Abstract

L'invention concerne un dispositif et un procédé de transmission de services de diffusion groupée permettant d'éviter le problème de gaspillage des ressources dû au fait qu'une station de base programme un équipement utilisateur (UE) pour recevoir un service de diffusion respectivement au moyen d'un support de diffusion groupée et d'un support de diffusion individuelle. Le procédé de l'invention comprend les étapes suivantes : une station de base établit un support de diffusion individuelle avec un équipement utilisateur (UE) ; la station de base détermine que le support de diffusion individuelle établi est utilisé pour transmettre un service de diffusion groupée reçu par l'UE ; et lorsqu'il est déterminé qu'une cellule actuelle dans laquelle est situé l'UE est en train d'émettre le service de diffusion groupée au moyen d'un support de diffusion groupée, la station de base programme le support de diffusion groupée pour transmettre un paquet de données du service de diffusion groupée afin de permettre à l'UE de recevoir le paquet de données du service de diffusion groupée sur le support de diffusion groupée, et ne programme pas l'UE pour recevoir le paquet de données du service de diffusion groupée sur le support de diffusion individuelle.
PCT/CN2015/076369 2015-04-10 2015-04-10 Dispositif et procédé de transmission de services de diffusion groupée WO2016161655A1 (fr)

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CN201580027768.0A CN106465065B (zh) 2015-04-10 2015-04-10 一种多播业务传输装置及方法

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