WO2015042878A1 - Procédé, dispositif et système de communication de groupe - Google Patents

Procédé, dispositif et système de communication de groupe Download PDF

Info

Publication number
WO2015042878A1
WO2015042878A1 PCT/CN2013/084479 CN2013084479W WO2015042878A1 WO 2015042878 A1 WO2015042878 A1 WO 2015042878A1 CN 2013084479 W CN2013084479 W CN 2013084479W WO 2015042878 A1 WO2015042878 A1 WO 2015042878A1
Authority
WO
WIPO (PCT)
Prior art keywords
cell
group communication
service
mbms service
identifier
Prior art date
Application number
PCT/CN2013/084479
Other languages
English (en)
Chinese (zh)
Inventor
李秉肇
高永强
陈燕燕
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380003321.0A priority Critical patent/CN104769975B/zh
Priority to PCT/CN2013/084479 priority patent/WO2015042878A1/fr
Publication of WO2015042878A1 publication Critical patent/WO2015042878A1/fr

Links

Classifications

    • 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

  • Embodiments of the present invention relate to communication technologies, and in particular, to a method, an apparatus, and a system for group communication. Background technique
  • Group communication refers to a mechanism for communication between a group of UEs. Only one UE of a group of UEs allows speech, and the remaining UEs accept group communication data of the UE through a downlink voice channel. At present, the group communication is usually completed by the group communication server. On the access network side, the group communication is similar to the normal voice communication, and a separate downlink voice channel is configured for each UE, so that the UE receives the group communication data.
  • the downlink voice accepted by each UE is the same, but it is still necessary to separately send a downlink group communication data for each UE through a separate downlink voice channel, which is relatively inefficient and wasteful. Access resources on the network side.
  • the invention provides a method, a device and a system for group communication, which are used to solve the defects in the prior art, improve the transmission efficiency of the group communication data, and save access network measurement resources.
  • an embodiment of the present invention provides a method for group communication, including:
  • the MCE determines the service transmission type of the relevant cell of the MBMS service corresponding to the group communication service according to the cell related information sent by each base station And transmitting the cell service transmission type information to the corresponding base station;
  • the method before the sending the MBMS service data corresponding to the group communication service according to the cell service transmission type information, the method further includes: receiving a group sent by the group communication UE Transmitting, by the communication data, the group communication data to the BMSC, so that the broadcast multicast service center BMSC generates the MBMS service data corresponding to the group communication service according to the group communication data;
  • the cell related information includes a cell identifier of a cell where the group communication UE is located, and a cell identifier adjacent to the cell, so that Determining, by the MCE, the cell identity of the cell in which the group communication UE is sent by each base station and the cell identity adjacent to the cell,
  • the cell related information includes a cell identifier, and a number of group communication UEs in the cell, to enable the MCE And determining a service transmission type of the relevant cell of the MBMS service corresponding to the group communication service, according to the cell identifier of the cell in which the group communication UE is sent and the number of the group communication UEs in the cell.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and / or used to indicate the second identity of the transmitting cell;
  • MBMS business data including:
  • the scheduling information corresponding to the MBMS service data is sent to the group communication UE.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and/or a second identifier used to indicate a transmission cell;
  • MBMS business data including:
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and / or used to indicate the second identity of the transmitting cell;
  • MBMS business data including:
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and a second identifier for indicating a transmission cell,
  • the cell service transmission type information includes: a first identifier for indicating a mute cell and a third identifier for indicating a unicast cell;
  • the cell service transmission type information includes: a second identifier for indicating a transmission cell and a third identifier for indicating a unicast cell;
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell, a second identifier used to indicate a transmitting cell, and a first unicast cell in the base station Three logos;
  • MBMS business data including:
  • the unicast bearer established by the group communication UE in the cell sends the MBMS service data to the group communication UE.
  • the sending according to the cell service transmission type information, to the group communication UE Before the MBMS service data corresponding to the group communication service, the method further includes:
  • the first indication message further includes a receiving time, configured to indicate that the group communication UE starts receiving from the receiving time The MBMS service data.
  • the second indication message further includes a stop receiving time, configured to indicate the group communication UE From the stop receiving time, the reception of the MBMS service data is stopped.
  • the determining, according to the MBMS service identifier corresponding to the group communication service, determining to perform the group communication Before the business group communicates with the UE it also includes:
  • the radio bearer identifier associated with the group communication service reported by the UE sent by the core network and the MBMS service identifier corresponding to the group communication service are received.
  • an embodiment of the present invention provides a method for group communication, including:
  • the cell-related information is cell-related information of a cell in which the group communication UE is located in a cell of each base station, and the group communication UE is a UE associated with the group communication service;
  • the cell service transmission type information is sent to the corresponding base station, so that the base station sends the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the cell related information includes a cell identifier of a cell in which the group communication UE is located, and determining, according to the cell related information sent by each base station, the group communication service
  • the service transmission type of the relevant cell of the MBMS service includes: Determining, according to the cell identifier in the cell related information, a cell in which the group communication UE is located as a transmission cell, and/or determining, according to the cell identifier in the cell related information, a cell not including the group communication UE as Muffling community.
  • the cell related information includes a cell identifier of a cell in which the group communication UE is located, and a cell identifier adjacent to the cell, where the cell related information is sent according to each base station. And determining, according to each type of cell of the MBMS service corresponding to the group communication service, specifically:
  • the cell in which the cell of the communication UE is not adjacent is determined to be a muffling cell.
  • the cell related information includes a cell identifier, and a number of group communication UEs in the cell, where the group communication is determined according to the cell related information sent by each base station.
  • the type of service transmission of the relevant cell of the MBMS service corresponding to the service specifically including:
  • the cell of the UE is determined to be a muffling cell.
  • an embodiment of the present invention provides a method for group communication, including: enabling a group communication service;
  • the MBMS service data sent by the receiving base station includes:
  • the cell service transmission type information is used by the MCE according to the group communication sent by the base station
  • the information about the cell in which the UE is located is obtained after determining the cells of each type of the MBMS service corresponding to the group of communication services.
  • the method further includes:
  • the receiving base station sends the MBMS corresponding to the group communication service according to the cell service transmission type information.
  • the business data it also includes:
  • the base station sends the MBMS service data corresponding to the MBMS service identifier by using the unicast bearer.
  • the MBMS service identifier corresponding to the group communication service is obtained from the group communication server, or the group communication service is corresponding to The MBMS service identifier is obtained from the core network, or the MBMS service identifier corresponding to the group communication service is pre-configured inside the UE.
  • the method before the receiving the MBMS service data sent by the base station, the method further includes: receiving the first indication message, And starting to receive the MBMS service data of the cell in the cell, where the first indication message is used to indicate to start receiving the MBMS service data;
  • the first indication message is sent by a group communication server.
  • the first indication message is sent by the group communication server after receiving the utterance right request sent by the group communication UE .
  • the first indication message is sent by a base station.
  • the first indication message is sent by the base station after receiving a request of the group communication server or the core network device.
  • the first indication message includes a receiving time, where the starting to perform MBMS service data of a cell in a cell Receiving, specifically includes:
  • the MBMS service data of the camping cell is received from the receiving time.
  • the method before the receiving the MBMS service data of the cell in the cell, the method further includes:
  • the MCCH information sent by the base station through dedicated signaling is received, and the MBMS service channel is read according to the MCCH information.
  • an embodiment of the present invention provides a device for group communication, including:
  • a determining module configured to determine, according to the multimedia broadcast multicast MBMS service identifier corresponding to the group communication service, a group communication UE that performs the group communication service;
  • a first sending module configured to send information about a cell in which the group communication UE is located to an MBMS coordination entity (MCE), so that the MCE determines an MBMS service corresponding to the group communication service according to the cell related information sent by each base station The service transmission type of the relevant cell, and transmitting the cell service transmission type information to the corresponding base station;
  • MCE MBMS coordination entity
  • the second sending module is configured to receive the cell service transmission type information sent by the MCE, and send the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the device further includes:
  • a third sending module configured to: before sending the MBMS service data corresponding to the group communication service according to the cell service transmission type information, receive group communication data sent by the group communication UE, and send the group communication data to a BMSC, so that the broadcast multicast service center BMSC generates MBMS service data corresponding to the group communication service according to the group communication data;
  • the first receiving module is configured to receive MBMS service data corresponding to the group communication service sent by the BMSC.
  • the cell related information includes a cell identifier of a cell where the group communication UE is located, and a cell identifier adjacent to the cell, so that And determining, by the MCE, the service transmission type of the relevant cell of the MBMS service corresponding to the group communication service, according to the cell identifier of the cell in which the group communication UE is sent by each base station and the cell identity adjacent to the cell.
  • the cell related information includes a cell identifier and a number of group communication UEs in the cell, so that the MCE is configured according to each base station.
  • the cell identifier of the cell in which the group communication UE is sent and the number of group communication UEs in the cell are determined, and the service transmission type of the relevant cell of the MBMS service corresponding to the group communication service is determined.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and / or used to indicate the second identity of the transmitting cell;
  • the second sending module includes:
  • a determining submodule configured to determine, according to the first identifier and/or the second identifier, a muffling cell
  • a sending submodule configured to send, in the muffling cell, the MBMS service data corresponding to the group communication UE Scheduling information.
  • the cell service transmission type information includes: a first identifier used to indicate a mute cell and/or a second identifier used to indicate a transmission cell;
  • the second sending module includes:
  • a determining submodule configured to determine, according to the first identifier and/or the second identifier, a mute cell and a transmission cell;
  • a sending submodule configured to send scheduling information corresponding to the MBMS service data to the group communication UE in the mute cell; in the transmitting cell, send the MBMS service data to the group communication UE, and send the The scheduling information corresponding to the MBMS service data is described.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and / or used to indicate the second identity of the transmitting cell;
  • the second sending module includes:
  • a determining submodule configured to determine a transmission cell according to the first identifier and/or the second identifier
  • a sending submodule configured to send, in the transmitting cell, the MBMS service data to the group communication UE, and send the The scheduling information corresponding to the MBMS service data is described.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and a second identifier for indicating a transmission cell,
  • the cell service transmission type information includes: a first identifier for indicating a mute cell and a third identifier for indicating a unicast cell;
  • the cell service transmission type information includes: a second identifier for indicating a transmission cell and a third identifier for indicating a unicast cell;
  • the cell service transmission type information includes: a first identifier for indicating a mute cell, a second identifier for indicating a transmission cell in the base station, and a third identifier for indicating a unicast cell;
  • the second sending module includes: a determining submodule, configured to determine, according to the cell service transmission type information, a mute cell, a transmission cell, and a unicast cell;
  • a sending submodule configured to send scheduling information corresponding to the MBMS service data to the group communication UE in the mute cell; in the transmitting cell, send the MBMS service data to the group communication UE, and send the The scheduling information corresponding to the MBMS service data is used.
  • the unicast bearer established by the group communication UE in the cell sends the MBMS service data to the group communication UE.
  • the device further includes:
  • a first indication message sending module configured to send, to the group communication UE corresponding to the group communication service, the MBMS service data corresponding to the group communication service, according to the cell service transmission type information, to the group communication UE in the transmission cell
  • the first indication message is used to indicate that the group communication UE starts to receive the MBMS service data.
  • the first indication message further includes a receiving time, configured to indicate that the group communication UE starts receiving from the receiving time The MBMS service data.
  • the apparatus further includes a second indication message sending module, configured to transmit according to the cell service a type information, after the MBMS service data corresponding to the group communication service is sent to the group communication UE, sending a second indication message to the group communication UE in the transmission cell, where the second indication message is used to indicate the The group communication UE stops receiving the MBMS service data.
  • a second indication message sending module configured to transmit according to the cell service a type information, after the MBMS service data corresponding to the group communication service is sent to the group communication UE, sending a second indication message to the group communication UE in the transmission cell, where the second indication message is used to indicate the The group communication UE stops receiving the MBMS service data.
  • the second indication message further includes a stop receiving time, configured to instruct the group communication UE to stop receiving from the At the beginning of time, the reception of the MBMS service data is stopped.
  • the device further includes:
  • a second receiving module configured to receive an MBMS service identifier corresponding to the group communication service reported by the UE, before determining, according to the MBMS service identifier corresponding to the group communication service, the group communication UE that performs the group communication service;
  • the radio bearer identifier associated with the group communication service reported by the UE sent by the core network and the MBMS service identifier corresponding to the group communication service are received.
  • an embodiment of the present invention provides a device for group communication, including: a receiving module, configured to receive cell related information sent by each base station, where the cell related information is a group communication UE in a cell of each base station a cell related information of the cell, where the group communication UE is a UE associated with the group communication service;
  • a determining module configured to determine, according to the cell related information sent by each base station, a service transmission type of a related cell of the MBMS service corresponding to the group communication service;
  • a sending module configured to send the cell service transmission type information to the corresponding base station, so that the base station sends the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the cell related information includes a cell identifier of a cell in which the group communication UE is located, where the determining module is specifically configured to: according to the cell related information And determining, by the cell identifier, a cell in which the group communication UE is located as a transmission cell, and/or determining, as the muffling cell, a cell that does not include the group communication UE according to the cell identifier in the cell related information.
  • the cell related information includes a cell identifier of a cell in which the group communication UE is located, and a cell identifier adjacent to the cell, where the determining module is specifically used to :
  • the cell in which the cell of the communication UE is not adjacent is determined to be a muffling cell.
  • the cell related information includes a cell identifier and a number of group communication UEs in the cell, where the determining module is specifically configured to:
  • the cell of the UE is determined to be a muffling cell.
  • an embodiment of the present invention provides a device for group communication, including:
  • a determining module configured to determine an MBMS service identifier corresponding to the group communication service
  • the first receiving module is configured to receive MBMS service data sent by the base station according to the MBMS service identifier corresponding to the group communication service, where the MBMS service data is generated according to the group communication data.
  • the first receiving module is specifically configured to:
  • the MBMS service data, the cell service transmission type information is obtained by the MCE according to the cell related information of the group communication UE sent by the base station, and determining each type of cell of the MBMS service corresponding to the group communication service.
  • the apparatus further includes a first sending module, configured to send, to the base station, after the group communication service is enabled Determining an MBMS service identifier corresponding to the group communication service, so that the base station determines to perform The group communication UE of the group communication service.
  • the apparatus further includes a unicast bearer setup module, configured to transmit, according to the cell service, the receiving base station Before the MBMS service data corresponding to the group communication service sent by the type information, a unicast bearer is established to carry the group communication data;
  • the MBMS service identifier corresponding to the group communication service is obtained from the group communication server, or the group communication service is corresponding to The MBMS service identifier is obtained from the core network, or the MBMS service identifier corresponding to the group communication service is pre-configured inside the UE.
  • the apparatus further includes a second receiving module, configured to receive MBMS service data sent by the base station And receiving the first indication message, and starting to receive the MBMS service data of the cell in the cell, where the first indication message is used to indicate to start receiving the MBMS service data.
  • the first indication message is sent by a group communication server.
  • the first indication message is sent by the group communication server after receiving the voice right request sent by the group communication UE .
  • the first indication message is sent by a base station.
  • the first indication message is sent by the base station after receiving a request of the group communication server or the core network device.
  • the first indication message includes a receiving time, and the second receiving module is specifically configured to: receive The first indication message receives the MBMS service data of the cell in the cell starting from the receiving time.
  • the apparatus further includes a third receiving module, configured to start MBMS on the cell in the cell Before receiving the service data, periodically receiving MCCH information of the cell in the MCCH information, and reading the MBMS service channel according to the MCCH information; or receiving MCCH information sent by the base station through dedicated signaling, and according to The MCCH information reads the MBMS traffic channel.
  • a third receiving module configured to start MBMS on the cell in the cell Before receiving the service data, periodically receiving MCCH information of the cell in the MCCH information, and reading the MBMS service channel according to the MCCH information; or receiving MCCH information sent by the base station through dedicated signaling, and according to The MCCH information reads the MBMS traffic channel.
  • an embodiment of the present invention provides a system for group communication, including: a base station and an MCE; the base station includes the fourth aspect and the first to twelfth possible implementation manners thereof Device
  • the MCE includes the apparatus described in the fifth aspect and any one of the first to eleventh possible implementations.
  • the group communication service is completed by the corresponding MBMS service data transmission, and the cell service transmission type is determined according to the distribution of the group communication UE, and the MBMS service data is sent in a targeted manner according to the cell service transmission type, thereby saving Channel resources improve the efficiency of data transmission.
  • FIG. 2 is a flowchart of a method for group communication according to Embodiment 2 of the present invention.
  • Embodiment 3 is a flowchart of a method for group communication according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for group communication according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of an apparatus for group communication according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of an apparatus for group communication according to Embodiment 6 of the present invention.
  • FIG. 7 is a schematic structural diagram of a base station for group communication according to Embodiment 8 of the present invention
  • FIG. 8 is a schematic structural diagram of an MCE according to Embodiment 9 of the present invention
  • FIG. 9 is a group according to Embodiment 10 of the present invention
  • FIG. 1 is a flowchart of a method for group communication according to Embodiment 1 of the present invention. The method may be performed by a base station, and specifically includes the following steps:
  • Step 101 Determine, according to the multimedia broadcast multicast MBMS service identifier corresponding to the group communication service, a group communication UE that performs the group communication service;
  • the Broadcast Broadcast Multicast Service can use the broadcast channel to simultaneously send the same MBMS service data to multiple UEs.
  • the MBMS service is established for the group communication service
  • the corresponding MBMS service is established for the group communication service.
  • the MBMS service identifier corresponding to the group communication service is associated with all the UEs in the group communication, and the base station can determine to perform the operation according to the MBMS service identifier.
  • the group communication UE of the group communication service specifically, the group communication UE determined by the base station in this embodiment is a group communication UE in the base station cell.
  • the MBMS service identifier may be pre-configured in the user equipment UE or the core network, and sent by the user equipment UE or the core network to the base station, and correspondingly, in this embodiment, the multimedia broadcast multicast corresponding to the group communication service
  • the MBMS service identifier before determining the group communication UE that performs the group communication service, the base station may receive the MBMS service identifier corresponding to the group communication service reported by the UE; or receive the radio bearer identifier and group communication associated with the group communication service reported by the UE.
  • the corresponding MBMS service identifier of the service or, the MBMS service identifier corresponding to the group communication service reported by the UE sent by the core network; or the radio bearer identifier associated with the group communication service reported by the UE sent by the core network, and the group communication service corresponding to the group communication service
  • the MBMS service identifier and the like are used to obtain the MBMS service identifier.
  • Step 102 Send, to the MBMS Coordination Entity (MCE), the information about the cell where the group of communication UEs are located, so that the MCE determines according to the cell related information sent by each base station. a service transmission type of the relevant cell of the MBMS service corresponding to the group communication service, and sending the cell service transmission type information to the corresponding base station;
  • MCE MBMS Coordination Entity
  • the cell in this embodiment may be a cell, and a base station corresponds to multiple cells.
  • the MCE To implement the targeted transmission of the MBMS service data to each cell, and improve the efficiency of data transmission, the MCE according to the distribution of the group communication UE The cell is divided into cells of different transmission types.
  • the cell may be divided into two types according to the distribution of the UE: the muffling cell and the transmitting cell.
  • the cell in the cell where the group communication UE is located may be carried in the cell related information. Identifying, correspondingly, the MCE determines, according to the cell identifier in the cell related information, the cell where the group communication UE is located as a transmission cell, and/or according to the cell identifier in the cell related information, the group is not included
  • the cell of the communication UE is determined to be a muffling cell. In a specific implementation, only the transmission cell or the muffling cell is determined, or the muffling cell and the transmission cell are determined to be selected according to requirements.
  • the cell in which the group communication UE is located and the neighboring cell may be determined as the transmission cell, specifically, in this embodiment.
  • the cell identifier of the cell in which the group communication UE is located and the cell identifier adjacent to the cell may be carried in the cell related information, and correspondingly, the MCE determines the cell where the group communication UE is located and the cell adjacent to the cell. For transmitting a cell, and/or, a cell that does not include the group communication UE and is not adjacent to a cell that includes the group communication UE is determined to be a muffling cell.
  • the cell-related information carries the cell identifier and the number of the group-communication UEs in the cell, and correspondingly, the MCE determines that the number of the group-communication UEs is less than the preset value as the unicast cell, and the number of the group-communication UEs is greater than
  • the cell that is equal to the preset value is determined to be a transmission cell, and the cell of the group-free communication UE is determined to be a muffling cell.
  • the base station after determining the unicast cell, the base station also notifies the group communication UE in the unicast cell to establish a unicast bearer and reports the radio bearer identifier corresponding to the unicast bearer and the corresponding MBMS service identifier.
  • Step 103 Receive the cell service transmission type information sent by the MCE, and send the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the MBMS service data is generated according to the group communication data, and the group communication data is specifically the voice data of the UE that initiates the session, and the UE that initiates the session sends the group communication data to the base station to which the UE belongs, and accordingly, according to the
  • the cell service transmission type information, before sending the MBMS service data corresponding to the group communication service includes:
  • the MCE after determining the cell transmission type, notifies the base station of the cell service transmission type information to the base station, so that the base station determines the transmission type of each cell of the base station, where the cell service transmission type information includes : a first identifier for indicating a muffling cell and/or a second identifier for indicating a transmitting cell;
  • all the cells may be set as the transmission cell by default.
  • the base station may only determine the muffling cell, and change Transmitting the content in the muffling cell to implement the targeted sending of the MBMS service data, and correspondingly, in the specific implementation, the sending, according to the cell service transmission type information, the MBMS service data corresponding to the group communication service, specifically including :
  • the scheduling information corresponding to the MBMS service data is sent to the group communication UE.
  • the base station when determining the default setting of the transmission type of each cell, or to further improve the accuracy of determining the cell transmission type, when performing the group communication service, the base station may simultaneously determine the muffling cell and the transmission cell, and correspondingly, And sending, according to the cell service transmission type information, the MBMS service data corresponding to the group communication service, specifically:
  • the cell may be set by default, so the cell is a muffling cell.
  • the base station may only determine the transmission, and change the determined transmission cell.
  • the sending content that is, the MBMS service data can be sent in a targeted manner, and correspondingly, the sending according to the cell service transmission type information
  • the MBMS service data corresponding to the group communication service includes:
  • the cell service transmission type information includes: a first identifier used to indicate the mute cell, a second identifier used to indicate the transmission cell, and an indication At least two of the third identifiers of the broadcast cell;
  • MBMS business data including:
  • the unicast bearer established by the group communication UE in the cell sends the MBMS service data to the group communication UE.
  • the transmission cell transmits the MBMS service data and the corresponding scheduling information and the muffling cell through the physical multicast channel (Phys i cal Mul fi cast Channe l, PMCH) of the cell, in the muffling cell,
  • the MBMS service data is not transmitted, and the scheduling information corresponding to the MBMS service data is transmitted through the PMCH of the cell.
  • the scheduling information indicates a subframe occupied by the MBMS service.
  • the MBMS service data is sent according to the service transmission type of the cell, so that the transmission of the group communication data is more targeted, the transmission efficiency is improved, and unnecessary waste of channel resources is avoided.
  • the manner in which the UE receives the MBMS service data is implemented by continuously monitoring the MBMS service channel. Since the group communication data is discontinuous, in this embodiment, to avoid The UE always monitors the situation that the MBMS service channel consumes a large amount of power, and may send an indication message to control the UE to start or stop receiving data, and correspondingly, according to the cell service transmission type information, send the group to the group communication UE. Before the MBMS service data corresponding to the communication service, it also includes:
  • the group communication UE starts receiving the MBMS service data after receiving the first indication message, or the first indication message includes a receiving time, and is used to indicate the group communication UE from the receiving time.
  • the receiving of the MBMS service data begins.
  • the method further includes:
  • the group communication UE may stop receiving the MBMS service data when receiving the second indication message, or the second indication message further includes stopping the receiving time, and indicating, by the group communication UE, the stop receiving time. Start, stop receiving the MBMS service data.
  • the base station may periodically send the information about the cell where the group communication UE is located to the MCE, so that the MCE periodically determines the MBMS service.
  • the type of service transmission of the relevant cell may also be changed when the base station detects the change of the cell of the group communication UE. For example, when the group communication UE moves from one transmission cell to another, the base station will present the group communication UE.
  • the cell related information is sent to the MCE, so that the MCE re-determines the service transmission type of the relevant cell.
  • the base station when establishing the MBMS service corresponding to the group communication service, may initially set the initial service transmission type of the relevant cell according to the group communication UE, that is, obtain the default setting of the cell transmission type.
  • the group communication service is completed by sending the corresponding MBMS service data, and the cell service transmission type is determined according to the distribution of the group communication UE, and the MBMS service data is sent according to the cell service transmission type, thereby saving the MBMS service data.
  • Channel resources improve the efficiency of data transmission.
  • Embodiment 2 is a flowchart of a method for group communication according to Embodiment 2 of the present invention.
  • the method in this embodiment may be performed by an MCE, and the specific steps include:
  • Step 201 Receive cell related information sent by each base station.
  • Each base station in this embodiment is a base station corresponding to one MBMS service cell, and each base station corresponds to multiple cells, and the cell related information is related information of a cell where the group communication UE in the cell of each base station is located.
  • the group communication UE is a UE associated with the group communication service;
  • Step 202 Determine, according to the cell related information sent by each base station, a service transmission type of a related cell of the MBMS service corresponding to the group communication service.
  • Step 203 Send the cell service transmission type information to the corresponding base station, so that the base station sends the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the MBMS service data is generated according to the group communication data.
  • the MCE may divide the cell into two types of cells according to the group communication UE, that is, the cell into the transmission cell and the muffling cell, and correspondingly, the cell related information includes the group communication UE.
  • the cell identifier of the cell the determining, according to the cell-related information sent by each base station, a service transmission type of a related cell of the MBMS service corresponding to the group of communication services, specifically:
  • the cell service transmission type letter includes: a first identifier used to indicate an mute cell in the base station and/or a second identifier used to indicate a transmission cell in the base station.
  • the cell where the UE is located and its neighboring cell may be determined as the transmission cell, and correspondingly, the cell related information includes the group.
  • the cell identifier of a cell in which the communication UE is located and a cell identifier that is adjacent to the cell and determining, according to the cell-related information sent by each base station, each type of cell of the MBMS service corresponding to the group of communication services, specifically:
  • the cell service transmission type information includes: a first identifier for indicating an mute cell in the base station and/or a second identifier for indicating a transmission cell in the base station.
  • the distribution of the group communication UEs may also be used.
  • Decoding the transmission type of the cell into three types, and correspondingly, the cell related information includes a cell identifier and a number of group communication UEs in the cell, and determining, according to the cell related information sent by each base station, the group communication
  • the type of service transmission of the relevant cell of the MBMS service corresponding to the service specifically including:
  • the cell service transmission type information includes: a first identifier used to indicate an muffling cell in the base station, a second identifier used to indicate a transmitting cell in the base station, and used to indicate the base station At least two of the third identifiers of the unicast cells.
  • the manner in which the MCE divides the cell transmission type may be arbitrarily selected according to actual needs.
  • the group communication industry is completed by sending the corresponding MBMS service data.
  • the cell service transmission type is determined, and the MBMS service data is transmitted according to the cell service transmission type, which saves channel resources and improves the efficiency of data transmission.
  • FIG. 3 is a flowchart of a method for group communication according to Embodiment 3 of the present invention, which may be performed by a user equipment UE, and the specific steps include:
  • Step 301 Enable group communication service
  • the UE after the UE starts the group communication service, the UE connects to the group communication server and joins the communication group.
  • Step 302 Determine an MBMS service identifier corresponding to the group communication service.
  • the MBMS service identifier corresponding to the group communication service may be obtained from the group communication server, or the MBMS service identifier corresponding to the group communication service is obtained from the core network, or the MBMS service identifier corresponding to the group communication service is pre-configured in the UE.
  • Step 303 Receive MBMS service data sent by the base station according to the MBMS service identifier corresponding to the group communication service, where the MBMS service data is generated according to the group communication data.
  • the MBMS service data sent by the receiving base station specifically includes: receiving, by the receiving base station, MBMS service data corresponding to the group communication service that is sent by the base station according to the cell service transmission type information, where the cell service transmission type information is sent by the MCE according to the base station.
  • the information about the cell in which the UE is located is obtained after determining the cells of each type of the MBMS service corresponding to the group communication service.
  • the method further includes: sending, by the base station, the MBMS service identifier corresponding to the group communication service, so that the base station determines the group communication UE that performs the group communication service.
  • the group communication UE that performs the group communication service starts the UE of the group communication service.
  • the above steps are performed by the group communication UE in the transmission cell. Further, if the cell is previously in a unicast cell, or the UE is in a unicast cell before, the receiving base
  • the steps performed by the UE in the unicast cell before the MBMS service data corresponding to the group communication service sent by the station according to the cell service transmission type information further include:
  • the method further includes:
  • the first indication message may be sent by the group communication server, and may be sent after the group communication server receives the voice right request sent by the group communication UE.
  • the first indication message may also be sent by the base station, and may be sent after the base station receives the request of the group communication server or the core network device.
  • the group communication server can control the group communication UE to control the voice of the UE.
  • the UE that initiates the session needs to send a voice right request to the group communication first. After the authorization is initiated, the session is initiated, and the group communication data is sent to the base station.
  • the group communication UE starts to receive the MBMS service data when receiving the first indication message, or the first indication message includes the reception time, and the group communication UE starts receiving the MBMS service data of the cell in the cell from the receiving time.
  • the second indication message sent by the base station or the group communication server is also received. Stop receiving the MBMS service data.
  • the MCCH information sent by the base station through dedicated signaling is received, and the MBMS service channel is read according to the MCCH information.
  • the group communication service is completed by the transmission of the MBMS service data, and the overhead of implementing the group communication service to the channel resource is saved, and the transmission efficiency of the group communication service data is improved.
  • Embodiment 4 is a schematic structural diagram of an apparatus for group communication according to Embodiment 4 of the present invention.
  • the apparatus of this embodiment may be configured in a base station, and specifically includes:
  • the determining module 41 is configured to determine, according to the multimedia broadcast multicast MBMS service identifier corresponding to the group communication service, a group communication UE that performs the group communication service;
  • the first sending module 42 is configured to send the cell-related information of the group communication UE to the MBMS coordination entity (MCE), so that the MCE determines the MBMS corresponding to the group communication service according to the cell-related information sent by each base station.
  • MCE MBMS coordination entity
  • the second sending module 43 is configured to receive the cell service transmission type information sent by the MCE, and send the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the device further includes:
  • the third sending module 44 is configured to: before sending the MBMS service data corresponding to the group communication service according to the cell service transmission type information, receive group communication data sent by the group communication UE, and send the group communication data
  • the BMSC is configured to enable the broadcast multicast service center BMSC to generate MBMS service data corresponding to the group communication service according to the group communication data;
  • the first receiving module 45 is configured to receive, by the BMSC, the group communication service MBMS business data.
  • the cell-related information includes a cell identifier of a cell in which the group communication UE is located and a cell identifier adjacent to the cell, so that the MCE according to the cell identity of the cell in which the group communication UE is sent by each base station and The cell identifier of the cell adjacent to the cell determines the service transmission type of the cell of the MBMS service corresponding to the group communication service.
  • the cell-related information includes a cell identifier and a number of group-communication UEs in the cell, so that the MCE is configured according to a cell identifier of a cell in which the group communication UE is located and a number of group-communication UEs in the cell. Determining a service transmission type of a related cell of the MBMS service corresponding to the group communication service.
  • the cell service transmission type information includes: a first identifier used to indicate a muffling cell and/or a second identifier used to indicate a transmission cell;
  • the second sending module 43 includes:
  • a determining submodule 431, configured to determine an anechoic cell according to the first identifier and/or the second identifier
  • the sending sub-module 432 is configured to send scheduling information corresponding to the MBMS service data to the group communication UE in the mute cell.
  • the cell service transmission type information includes: a first identifier used to indicate the muffling cell and/or a second identifier used to indicate the transmission cell;
  • the determining submodule 431 is configured to determine, according to the first identifier and/or the second identifier, a silence cell and a transmission cell;
  • the sending sub-module 432 is configured to send scheduling information corresponding to the MBMS service data to the group communication UE in the mute cell, and send the MBMS service data to the group communication UE in the transmitting cell, Simultaneously transmitting scheduling information corresponding to the MBMS service data.
  • the cell service transmission type information includes: a first identifier used to indicate the muffling cell and/or a second identifier used to indicate the transmission cell;
  • the determining submodule 431 is configured to determine, according to the first identifier and/or the second identifier, Transit community
  • the sending sub-module 432 is configured to send the MBMS service data to the group communication UE in the transmission cell, and simultaneously send scheduling information corresponding to the MBMS service data.
  • the cell service transmission type information includes: a first identifier for indicating a muffling cell, a second identifier for indicating a transmission cell in the base station, and at least a third identifier for indicating a unicast cell
  • the two items are specifically configured to include: a first identifier for indicating a muffling cell and a second identifier for indicating a transmitting cell, or a first identifier for indicating a muffling cell and a third for indicating a unicast cell
  • the third identifier is used to include a second identifier for indicating the transmission cell and a third identifier for indicating the unicast cell, or a first identifier for indicating the silenced cell, and the third identifier for indicating the transmission cell
  • the second identifier and the third identifier used to indicate the unicast cell.
  • the determining submodule 431 is configured to determine, according to the cell service transmission type information, a mute cell, a transmission cell, and a unicast cell;
  • the sending sub-module 432 is configured to send scheduling information corresponding to the MBMS service data to the group communication UE in the mute cell, and send the MBMS service data to the group communication UE in the transmitting cell, Simultaneously, the scheduling information corresponding to the MBMS service data is sent; in the unicast cell, the unicast bearer established by the group communication UE in the cell sends the MBMS service data to the group communication UE.
  • the device in this embodiment may further include:
  • the first indication message sending module 46 is configured to send, to the group communication UE in the transmission cell, before sending the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information. Sending a first indication message, where the first indication message is used to instruct the group communication UE to start receiving the MBMS service data.
  • the first indication message further includes a receiving time, configured to instruct the group communication UE to start receiving the MBMS service data from the receiving time.
  • the device further includes a second indication message sending module 47, configured to send, according to the cell service transmission type information, the group communication service corresponding to the group communication UE After the MBMS service data, the second indication message is sent to the group communication UE in the transmission cell, where the second indication message is used to indicate that the group communication UE stops receiving the MBMS service data.
  • a second indication message sending module 47 configured to send, according to the cell service transmission type information, the group communication service corresponding to the group communication UE After the MBMS service data, the second indication message is sent to the group communication UE in the transmission cell, where the second indication message is used to indicate that the group communication UE stops receiving the MBMS service data.
  • the second indication message further includes a stop receiving time, configured to instruct the group communication UE to stop receiving the MBMS service data from the stop receiving time.
  • the device may further include:
  • the second receiving module 48 is configured to receive, according to the MBMS service identifier corresponding to the group communication service, the MBMS service identifier corresponding to the group communication service reported by the UE, before determining the group communication UE that performs the group communication service;
  • the MBMS service identifier corresponding to the group communication service reported by the UE sent by the core network or
  • the device in this embodiment can be used to perform the method shown in FIG. 1 , and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • FIG. 5 is a schematic structural diagram of a device for group communication according to Embodiment 5 of the present invention.
  • the device in this embodiment may be configured in an MCE.
  • the device in this embodiment specifically includes:
  • the receiving module 51 is configured to receive cell related information that is sent by each base station, where the cell related information is cell related information of a cell where the group communication UE is located in a cell of each base station, and the group communication UE is associated with the group communication service.
  • the cell related information is cell related information of a cell where the group communication UE is located in a cell of each base station, and the group communication UE is associated with the group communication service.
  • a determining module 52 configured to determine, according to the cell related information sent by each base station, The service transmission type of the relevant cell of the MBMS service corresponding to the group communication service;
  • the sending module 53 is configured to send the cell service transmission type information to the corresponding base station, so that the base station sends the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the cell-related information includes a cell identifier of a cell in which the group communication UE is located, and the determining module 52 is specifically configured to:
  • the cell-related information includes a cell identifier of a cell in which the group communication UE is located and a cell identifier that is adjacent to the cell, and the determining module 52 is specifically configured to:
  • the cell in which the cell of the communication UE is not adjacent is determined to be a muffling cell.
  • the cell related information includes a cell identifier and a number of group communication UEs in the cell, and correspondingly, the determining module 52 is specifically configured to:
  • the cell of the UE is determined to be a muffling cell.
  • the device in this embodiment can be used to perform the method shown in FIG. 2, and its implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of an apparatus for group communication according to Embodiment 6 of the present invention.
  • the apparatus in this embodiment may be configured in a UE. Referring to FIG. 6, the apparatus in this embodiment specifically includes:
  • the module 61 is opened, and the group communication service is started;
  • a determining module 62 configured to determine an MBMS service identifier corresponding to the group communication service
  • the first receiving module 63 is configured to receive MBMS service data sent by the base station according to the MBMS service identifier corresponding to the group communication service, where the MBMS service data is generated according to the group communication data.
  • the first receiving module 63 is specifically configured to:
  • the device further includes a first sending module 64, configured to send, after the group communication service is started, an MBMS service identifier corresponding to the group communication service to the base station, so that the base station determines a group that performs the group communication service.
  • Communication UE configured to send, after the group communication service is started, an MBMS service identifier corresponding to the group communication service to the base station, so that the base station determines a group that performs the group communication service.
  • the device further includes a unicast bearer establishing module 65, configured to establish a unicast bearer for carrying the group before receiving the MBMS service data corresponding to the group communication service sent by the base station according to the cell service transmission type information.
  • a unicast bearer establishing module 65 configured to establish a unicast bearer for carrying the group before receiving the MBMS service data corresponding to the group communication service sent by the base station according to the cell service transmission type information.
  • the MBMS service identifier corresponding to the group communication service is obtained from the group communication server, or the MBMS service identifier corresponding to the group communication service is obtained from the core network, or the MBMS service identifier corresponding to the group communication service is pre-configured in the UE. internal.
  • the device further includes a second receiving module 66, configured to send at the receiving base station
  • the first indication message is received, and the MBMS service data of the cell in the cell is received, where the first indication message is used to indicate to start receiving the MBMS service data.
  • the first indication message is sent by the group communication server, and may be sent by the group communication server after the group communication server receives the voice right request sent by the group communication UE.
  • the first indication message is sent by the base station, and is sent by the base station after receiving the request of the group communication server or the core network device. Further, the first indication message includes a receiving time, and the second receiving module is specifically configured to: receive the first indication message, and start receiving MBMS service data of the cell in the cell from the receiving time.
  • the device further includes a third receiving module 67, configured to periodically receive the MCCH information of the cell in the cell according to the sending period of the MCCH information, and read the MBMS according to the MCCH information before starting to receive the MBMS service data of the cell in the cell.
  • the service channel or, receives the MCCH information sent by the base station through dedicated signaling, and reads the MBMS service channel according to the MCCH information.
  • the device in this embodiment can be used to perform the method shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
  • Embodiment 7 of the present invention provides a system for group communication, including: a base station and an MCE;
  • the base station includes the apparatus shown in FIG. 4;
  • the MCE includes the device shown in FIG.
  • FIG. 7 is a schematic structural diagram of a base station for group communication according to Embodiment 8 of the present invention.
  • the base station in this embodiment may be used to implement various steps of the method for group communication according to Embodiment 1 of the present invention.
  • the base station in this embodiment specifically includes:
  • the memory 71 is configured to store a program.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 71 may include a high speed RAM memory, and may also include a non-volatile memory such as at least one disk memory.
  • the processor 72 is configured to execute a program stored in the memory 71, configured to: determine, according to the multimedia broadcast multicast MBMS service identifier corresponding to the group communication service, a group communication UE that performs the group communication service; The information is sent to the MBMS coordination entity MCE, so that the MCE determines the group communication service pair according to the cell related information sent by each base station.
  • the service transmission type of the relevant cell of the MBMS service, and the cell service transmission type information is sent to the corresponding base station; receiving the cell service transmission type information sent by the MCE, and according to the cell service transmission type information, to the group communication UE Send the MBMS service data corresponding to the group communication service.
  • the processor 72 may be a central processing unit (CPU), or an specific integrated circuit (ASIC), or one configured to implement an embodiment of the present invention. Or multiple integrated circuits.
  • CPU central processing unit
  • ASIC specific integrated circuit
  • the base station in this embodiment further includes a receiver 73, configured to receive the group communication sent by the group communication UE, before sending the MBMS service data corresponding to the group communication service according to the cell service transmission type information.
  • the group communication data is sent to the BMSC, so that the broadcast multicast service center BMSC generates MBMS service data corresponding to the group communication service according to the group communication data; and receives the group communication sent by the BMSC.
  • the MBMS service data corresponding to the service is
  • the cell-related information includes a cell identifier of a cell in which the group communication UE is located and a cell identifier adjacent to the cell, so that the MCE is configured according to the cell in which the group communication UE is sent by each base station.
  • the cell identifier and the cell identifier adjacent to the cell determine the service transmission type of the relevant cell of the MBMS service corresponding to the group communication service.
  • the cell-related information includes a cell identifier and a number of group-communication UEs in the cell, so that the MCE is configured according to a cell identifier of a cell in which the group communication UE is located and a number of group-communication UEs in the cell. Determining a service transmission type of a related cell of the MBMS service corresponding to the group communication service.
  • the cell service transmission type information includes: a first identifier for indicating a mute cell and/or a second identifier for indicating a cell to be transmitted; and correspondingly, the processor 72 is specifically configured to:
  • the scheduling information corresponding to the MBMS service data is sent to the group communication UE.
  • the cell service transmission type information includes: a first identifier for indicating a muffling cell and/or a second identifier for indicating a cell to be transmitted; and correspondingly, the processor 72 is specifically configured to: according to the An identifier and/or a second identifier, the muting cell and the transmission cell are determined; in the muffling cell, the scheduling information corresponding to the MBMS service data is sent to the group communication UE;
  • the cell service transmission type information includes: a first identifier used to indicate an mute cell in the base station and/or a second identifier used to indicate a transmission cell in the base station; and correspondingly, the processing
  • the device 72 is specifically configured to:
  • the unicast may be used in a cell with fewer UEs in the group communication.
  • the mode sends the group communication data, and the cell service transmission type information includes: a first identifier for indicating the mute cell, a second identifier for indicating the transmission cell, and a third identifier for indicating the unicast cell.
  • the processors 72 are specifically configured to:
  • the unicast bearer established by the group communication UE in the cell sends the MBMS service data to the group communication UE.
  • the base station of this embodiment further includes a transmitter 74, configured to send the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information, to be in the transmission
  • the group communication UE in the cell sends a first indication message, where the first indication message is used to instruct the group communication UE to start receiving the MBMS service data.
  • the first indication message may further include a receiving time, configured to instruct the group communication UE to start receiving the MBMS service data from the receiving time.
  • the transmitter 74 is further configured to: after sending the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information, to a group in the transmission cell
  • the communication UE sends a second indication message, where the second indication message is used to indicate that the group communication UE stops receiving the MBMS service data.
  • the second indication message may further include a stop receiving time, configured to instruct the group communication UE to stop receiving the MBMS service data from the stop receiving time.
  • the receiver is further configured to: receive, according to the MBMS service identifier corresponding to the group communication service, the MBMS service identifier corresponding to the group communication service reported by the UE before determining the group communication UE that performs the group communication service; or receive the report reported by the UE
  • the associated radio bearer identifier and the MBMS service identifier corresponding to the group communication service are associated radio bearer identifier and the MBMS service identifier corresponding to the group communication service.
  • the memory 71, the processor 72 receiver 73, and the transmitter 74 may be connected to each other through a bus and complete each other.
  • Communication may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an extended industry standard architecture. (Extended Industry Standard Architecture, Evan is EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 7, but it does not mean that there is only one bus or one type of bus.
  • the memory 71, the processor 72, the receiver 73, and the transmitter 74 may pass through an internal interface. Complete communication with each other.
  • FIG. 8 is a schematic structural diagram of an MCE according to Embodiment 9 of the present invention.
  • the MCE in this embodiment may be used to implement various steps of the method for group communication in Embodiment 2 of the present invention.
  • the MCE in this embodiment specifically includes:
  • the memory 81 is used to store the program.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 71 may include a high speed RAM memory, and may also include a non-volatile memory, such as at least one disk memory.
  • the processor 82 is configured to execute a program stored in the memory 81, configured to: receive cell related information sent by each base station, where the cell related information is cell related information of a cell where the group communication UE is located in a cell of each base station, the group The communication UE is a UE associated with the group communication service; determining the service transmission type of the relevant cell of the MBMS service corresponding to the group communication service according to the cell related information sent by each base station; and transmitting the cell service transmission type information to the corresponding And the base station, so that the base station sends the MBMS service data corresponding to the group communication service to the group communication UE according to the cell service transmission type information.
  • the processor 82 may be a Central Processing Unit (CPU), or an Specific Integrated Circuit (ASIC), or configured to implement the present invention.
  • CPU Central Processing Unit
  • ASIC Specific Integrated Circuit
  • the cell related information includes a cell identifier of a cell where the group communication UE is located,
  • the processor 82 is specifically configured to:
  • the cell related information includes a cell identifier of a cell in which the group communication UE is located and a cell identifier adjacent to the cell, and the processor 82 is specifically configured to:
  • the cell in which the cell of the communication UE is not adjacent is determined to be a muffling cell.
  • the cell related information includes a cell identifier and a number of group communication UEs in the cell, and the processor 82 is specifically configured to:
  • the cell of the UE is determined to be a muffling cell.
  • the memory 81 and the processor 82 can be connected to each other through a bus and complete communication with each other.
  • the bus can be an Industry Standard Architecture (referred to as Industry Standard Archi tecture
  • ISA Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the memory 81 and the processor 82 are integrated on one chip, the memory 81 and the processor 82 can complete communication with each other through an internal interface.
  • FIG. 9 is a schematic structural diagram of a group communication user equipment according to Embodiment 10 of the present invention.
  • the user equipment UE in this embodiment may implement various steps of the method in Embodiment 3, as shown in FIG.
  • the UE of this embodiment specifically includes:
  • the memory 91 is used to store the program.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 71 may include a high speed RAM memory, and may also include a non-volatile memory, such as at least one disk memory.
  • the processor 92 is configured to: execute the program stored in the memory 91, to: enable the group communication service; determine the MBMS service identifier corresponding to the group communication service; and receive the MBMS service data sent by the base station according to the MBMS service identifier corresponding to the group communication service,
  • the MBMS service data is generated based on group communication data.
  • the processor 92 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one configured to implement the embodiment of the present invention. Or multiple integrated circuits.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • the processor 92 is specifically configured to: receive MBMS service data corresponding to the group communication service that is sent by the base station according to the cell service transmission type information, where the cell service transmission type information is set by the MCE according to the group communication UE sent by the base station The cell-related information is obtained after determining each type of cell of the MBMS service corresponding to the group communication service.
  • the UE in this embodiment further includes a transmitter 93, configured to: after the group communication service is enabled, send an MBMS service identifier corresponding to the group communication service to the base station, so that the base station determines to perform group communication of the group communication service. UE.
  • the processor 92 is further configured to: before receiving the MBMS service data corresponding to the group communication service sent by the base station according to the cell service transmission type information, establishing a unicast bearer for carrying the group communication data; and sending the group communication data to the base station
  • the unicast bearer carries the radio bearer identifier and the MBMS service identifier corresponding to the group of communication services, so that the base station sends the MBMS service data corresponding to the MBMS service identifier by using the unicast bearer.
  • the MBMS service identifier corresponding to the group communication service may be from the group communication server.
  • the acquisition can also be obtained from the core network or pre-configured inside the UE.
  • the UE in this embodiment may further include a receiver 94, configured to receive the first indication message and start receiving the MBMS service data of the cell in the cell before receiving the MBMS service data sent by the base station, where the first indication message is received. Used to indicate the start of receiving MBMS service data.
  • the first indication message is sent by the group communication server, and may be sent by the group communication server after receiving the voice right request sent by the group communication UE.
  • the first indication message may also be sent by the base station, and may be sent by the base station after receiving the request of the group communication server or the core network device.
  • the first indication message may further include a receiving time, and the processor 92 specifically receives the MBMS service data of the cell in the cell from the receiving time.
  • the receiver 94 is further configured to: periodically receive the MCCH information of the cell in the cell according to the sending period of the MCCH information, and read the MBMS service channel according to the MCCH information, before starting to receive the MBMS service data of the cell in the cell; It can be used to receive MCCH information sent by the base station through dedicated signaling, and read the MBMS service channel according to the MCCH information.
  • the memory 91, the processor 92, the transmitter 93, and the receiver 94 may be connected to each other through a bus and complete each other. Communication between.
  • the bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (abbreviated as an Industry Standard Architecture). EISA) Bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like.
  • the memory 91, the processor 92, the transmitter 93, and the receiver 94 may pass through an internal interface. Complete communication with each other.
  • the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Landscapes

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

Abstract

La présente invention concerne un procédé, un système et un dispositif de communication de groupe, ledit procédé consistant à : déterminer, en fonction d'un identifiant de service de diffusion/multidiffusion multimédia (MBMS) correspondant à un service de communication de groupe, l'UE de communication de groupe mettant en œuvre ledit service de communication de groupe ; envoyer des informations associées à la cellule au niveau de laquelle ledit UE de communication de groupe est situé à une entité de coordination de MBMS (MCE), autoriser ladite MCE à déterminer, en fonction des informations se rapportant à ladite cellule envoyées par chaque station de base, le type de transmission de service de la cellule se rapportant au service MBMS correspondant audit service de communication de groupe, et envoyer les informations de type de transmission de service de cellule à la station de base correspondante ; lors de la réception des informations de type de transmission de service de cellule envoyées par la MCE, envoyer, en fonction desdites informations de type de transmission de service de cellule, audit UE de communication de groupe, les données de service MBMS correspondant audit service de communication de groupe. La solution technique de la présente invention met en œuvre un service de communication de groupe au moyen de l'envoi de données de service MBMS correspondantes, de la conservation de ressources de canal et d'une amélioration d'efficacité lors de l'envoi de données de service de communication de groupe.
PCT/CN2013/084479 2013-09-27 2013-09-27 Procédé, dispositif et système de communication de groupe WO2015042878A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380003321.0A CN104769975B (zh) 2013-09-27 2013-09-27 组通讯的方法、装置及系统
PCT/CN2013/084479 WO2015042878A1 (fr) 2013-09-27 2013-09-27 Procédé, dispositif et système de communication de groupe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/084479 WO2015042878A1 (fr) 2013-09-27 2013-09-27 Procédé, dispositif et système de communication de groupe

Publications (1)

Publication Number Publication Date
WO2015042878A1 true WO2015042878A1 (fr) 2015-04-02

Family

ID=52741822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/084479 WO2015042878A1 (fr) 2013-09-27 2013-09-27 Procédé, dispositif et système de communication de groupe

Country Status (2)

Country Link
CN (1) CN104769975B (fr)
WO (1) WO2015042878A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113950042B (zh) * 2020-07-17 2024-08-20 维沃移动通信有限公司 识别方法、发送方法及相关设备
CN114793323B (zh) * 2021-01-25 2023-06-27 中国广播电视网络有限公司 广播传输方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547399A (zh) * 2008-03-25 2009-09-30 中兴通讯股份有限公司 Mbms资源使用信息的交换方法、交换系统、通知方法
CN102281503A (zh) * 2010-06-12 2011-12-14 中兴通讯股份有限公司 一种多媒体广播多播业务空口资源调度方法和装置
CN102892078A (zh) * 2011-07-18 2013-01-23 上海贝尔股份有限公司 分布式mce架构中对mbms业务计数的方法和装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5570604B2 (ja) * 2009-09-23 2014-08-13 アルカテル−ルーセント 通信システム内でマルチキャストサービスを提供するための装置および方法
US8861419B2 (en) * 2010-12-29 2014-10-14 Motorola Solutions, Inc. Methods for binding and unbinding a MBMS bearer to a communication group in a 3GPP compliant system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547399A (zh) * 2008-03-25 2009-09-30 中兴通讯股份有限公司 Mbms资源使用信息的交换方法、交换系统、通知方法
CN102281503A (zh) * 2010-06-12 2011-12-14 中兴通讯股份有限公司 一种多媒体广播多播业务空口资源调度方法和装置
CN102892078A (zh) * 2011-07-18 2013-01-23 上海贝尔股份有限公司 分布式mce架构中对mbms业务计数的方法和装置

Also Published As

Publication number Publication date
CN104769975B (zh) 2019-01-11
CN104769975A (zh) 2015-07-08

Similar Documents

Publication Publication Date Title
US11438842B2 (en) Communication configuration method and device
TWI617167B (zh) 增強之傳呼方案及連接狀態非連續接收模式
US10194454B2 (en) Method and system for implementing service scheduling, base station, and user equipment
TWI415431B (zh) 在一行動通訊系統中傳輸與接收單點對多點服務的方法
US8830894B2 (en) Notification method and system for information change of multimedia broadcast multicast service control channel
US8982872B2 (en) Transmitting method and device for scheduling information
CN102984660B (zh) 一种集群通信的寻呼方法和相关设备
EP3337199A1 (fr) Procédé, système et appareil de configuration de ressource pour un canal de commande de multidiffusion à cellule unique
KR101608607B1 (ko) 진화형 멀티미디어 브로드캐스트/멀티캐스트 서비스들을 통한 그룹 통신들
JP2020519180A (ja) マルチキャストベアラ管理方法及び端末デバイス
WO2014012248A1 (fr) Procédé, dispositif et système de transmission de services
JP5318939B2 (ja) ワイヤレス通信ネットワーク中でマルチキャストセッションに加わるための搬送波の切り替え
US20220322049A1 (en) Method and apparatus for scheduling service, terminal device, and network device
CN107743715B (zh) 用于无线通信系统中的群组通信的方法和装置
US9642115B2 (en) Method for implementing trunk service based on long term evolution and trunk user terminal
US20140241180A1 (en) EVOLVED MULTIMEDIA BROADCAST MULTICAST SERVICE (eMBMS) INTER-FREQUENCY CELL RESELECTION
WO2011032380A1 (fr) Procédé de transmission d'informations entre une station de base et des stations de base voisines
WO2015168985A1 (fr) Procédé et dispositif pour mettre à jour des informations de canal de commande de diffusion/diffusion groupée multimédia
CN101137078A (zh) 寻呼方法、寻呼系统及相关设备
WO2013107216A1 (fr) Système de communications numériques à ressources partagées td-lte et procédé de réalisation de service de groupe
JP2015503883A (ja) マルチメディアブロードキャストマルチキャストサービス（ｍｂｍｓ）メトリックに基づくセル再選択
WO2007027395A2 (fr) Procede et appareil d'etablissement d'appel instantane rapide
WO2015042878A1 (fr) Procédé, dispositif et système de communication de groupe
CN112398605B (zh) 一种多播控制信道发送方法及装置
WO2021056335A1 (fr) Appareil et procédé de contrôle d'accès, dispositif terminal et dispositif de réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13894346

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13894346

Country of ref document: EP

Kind code of ref document: A1