WO2017190353A1 - 多播业务接收方法、多播业务发送方法、装置及系统 - Google Patents
多播业务接收方法、多播业务发送方法、装置及系统 Download PDFInfo
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- WO2017190353A1 WO2017190353A1 PCT/CN2016/081295 CN2016081295W WO2017190353A1 WO 2017190353 A1 WO2017190353 A1 WO 2017190353A1 CN 2016081295 W CN2016081295 W CN 2016081295W WO 2017190353 A1 WO2017190353 A1 WO 2017190353A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/58—Message adaptation for wireless communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
- H04L51/10—Multimedia information
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
Definitions
- the embodiments of the present invention relate to the field of communications, and in particular, to a multicast service receiving method, a multicast service sending method, apparatus, and system.
- SC-PTM single-cell point-to-multipoint
- MBMS Multimedia Broadcast Multicast Service
- the service control information generally includes: a service identifier of the MBMS and a group-Radio Network Temporary Identity (G-RNTI) corresponding to the MBMS.
- G-RNTI is used to indicate a terminal device that needs to receive the MBMS.
- the terminal device receives the MBMS through the MBMS traffic channel (MTCH) on the same carrier according to the received G-RNTI.
- one cell corresponds to one carrier frequency, and different cells correspond to different carrier frequencies.
- the terminal device can only receive the MCCH and the MTCH on the carrier frequency corresponding to one cell.
- the embodiment of the present invention provides a multicast service receiving method, a multicast service sending method, a device, and a system.
- the technical solution is as follows:
- a method for receiving a multicast service includes: receiving, by a terminal device, configuration information corresponding to a MBMS of a multimedia broadcast service from a first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of at least one second cell The second cell is used in the same scheduling as the first cell.
- the terminal device acquires the configuration information of the second cell according to the cell identifier of the second cell, and the terminal device receives the MBMS from the second cell according to the configuration information of the second cell.
- Traffic channel (MBMS traffic channel, MTCH).
- the configuration information corresponding to the MBMS is sent to the terminal device in the first cell by the network device, where the configuration information corresponding to the MBMS includes: the cell identifier of the at least one second cell, and the terminal device according to the second cell
- the cell identifier acquires the configuration information of the second cell
- the second cell is configured to cooperate with the first cell to transmit the MBMS at the same scheduling time or different scheduling moments
- the terminal device receives the MTCH from the second cell according to the configuration information of the second cell
- the terminal device can only receive the problem of the MCCH and the MTCH corresponding to the MBMS from one cell; and the effect that the terminal device can receive the same multicast service from the first cell and the at least one second cell by using the carrier aggregation technology.
- the method before the terminal device acquires the configuration information of the second cell according to the cell identifier of the second cell, the method further includes: the terminal device receives n cells from the first cell.
- the configuration information the n cells are cells supporting the coordinated transmission of the MBMS, the second cell is a subset of the n cells, and the configuration information includes at least the correspondence between the cell identity, the frequency information, and the bandwidth information; the terminal device is configured according to the second cell.
- Obtaining, by the cell identifier, configuration information of the second cell the terminal device acquiring configuration information of the second cell from the configuration information of the n cells according to the cell identifier of the second cell.
- the configuration information corresponding to the MBMS further includes: a first group wireless network temporary identifier (Group -Radio Network Temporary Identity, G-RNTI); the method further includes: the terminal device receives scheduling information from the first cell by using the first G-RNTI, and receives the MTCH from the first cell according to the scheduling information; and the terminal device is configured according to the second cell
- the configuration information, the receiving the MTCH from the second cell includes: the terminal device receiving the scheduling information from the second cell by using the first G-RNTI according to the configuration information of the second cell, and receiving the MTCH from the second cell according to the scheduling information; or The terminal device receives the scheduling information from the first cell by using the first G-RNTI according to the configuration information of the second cell, and receives the MTCH from the second cell according to the scheduling information, where the scheduling information is used to indicate the time-frequency resource occupied by the MTCH. position.
- G-RNTI Group -Radio Network Temporary Identity
- the network device only needs to indicate the first G-RNTI to the terminal device, and the terminal device can receive from the first cell and the at least one second cell by using the first G-RNTI.
- the MTCH the network device does not need to use signaling to indicate to the terminal device the G-RNTI used by each second cell, which saves air interface signaling.
- the configuration information corresponding to the MBMS further includes: the first G-RNTI, the configuration corresponding to the MBMS
- the information or the configuration information of the second cell further includes: a second G-RNTI; the method further includes: the terminal device receiving scheduling information from the first cell by using the first G-RNTI, and receiving the MTCH from the first cell according to the scheduling information;
- the terminal device receives the MTCH from the second cell according to the configuration information of the second cell, where the terminal device receives the scheduling information from the second cell by using the second G-RNTI according to the configuration information of the second cell, and obtains the scheduling information according to the scheduling information.
- the cell receives the MTCH, where the scheduling information is used to indicate the time-frequency resource location occupied by the MTCH.
- the first cell uses the authorized carrier, and the second cell uses the authorized carrier or the unlicensed carrier.
- the second cell that uses the carrier aggregation technology to transmit the MBMS in the same scheduling time or the different scheduling time may use an unlicensed carrier, and the terminal device may use the unlicensed spectrum. Receiving multicast services in the second cell improves the utilization of unlicensed spectrum resources.
- the terminal device receives the scheduling information from the first cell by using the first G-RNTI according to the configuration information of the second cell. And receiving the MTCH from the second cell according to the scheduling information, where the terminal device receives the downlink control information (Downlink Control Information (DCI) from the first cell by using the first G-RNTI, and the terminal device parses the predetermined field in the DCI to obtain the first
- DCI Downlink Control Information
- the cell identifier of the second cell is determined by the terminal device according to the cell identifier of the second cell, and the terminal device receives the MTCH from the second cell according to the configuration information of the second cell.
- the predetermined field is: Hybrid Automatic Repeat Request process number (HARQ process number) , New data indicator (NDI), Redundancy version (RV), Transmission Power Control (TPC) command for physical uplink control channel (PUCCH) (TPC) Command for PUCCH), and at least one of the flags for distinguishing between format0 and format 1A (Flag for format0/format1A differentiation).
- HARQ process number Hybrid Automatic Repeat Request process number
- NDI New data indicator
- RV Redundancy version
- TPC Transmission Power Control
- PUCCH physical uplink control channel
- Flag for format0/format1A differentiation
- the method further includes: after the N subframes of the subframe in which the configuration information corresponding to the MBMS is received, the terminal device performs the step of receiving the MTCH from the second cell according to the configuration information of the second cell; where N is greater than A value equal to zero.
- the configuration information of the second cell includes: the second cell The cell identifier, in the configuration information of the n cells, the cell identifier of the second cell is the physical cell identifier of the second cell or the physical cell identifier of the second cell and the cell number of the second cell; configuration information corresponding to the MBMS
- the cell identifier of the second cell is the cell number of the second cell and the cell index of the second cell, where the cell number of the second cell is the sequence number of the configuration information of the second cell in the n cells, and the second cell The cell index is the sequence number of the second cell in the configuration information corresponding to the MBMS.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, and reference signal configuration information.
- DRS discovery reference signal
- CRS common reference signal
- the signal measurement result is obtained by measuring, by the terminal device, the signal of the second cell, and when the signal measurement result is less than or equal to the signal threshold, the first indication information is fed back to the network device, and is used when When the signal of the second cell transmitting the MTCH is poor, the network device may perform feedback in time to avoid the transmission error caused by the poor signal of the second cell.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, and reference signal configuration information.
- the configuration information of the DRS and/or the CRS further includes: the terminal device acquiring the signal measurement result of the second cell according to the reference signal configuration information of the second cell; the terminal device acquiring the signal measurement result of the first cell; When the signal measurement result is less than or equal to the signal threshold, and the signal measurement result of the first cell is greater than the signal threshold, the terminal device feeds back the second indication to the network device.
- the information, the second indication information is used to indicate to the network device that the signal measurement result of the first cell is greater than a signal threshold and the signal measurement result of the second cell is less than or equal to a signal threshold.
- the terminal device measures the signals of the first cell and the second cell to obtain a signal measurement result, and if the signal in the first cell is also poor, the feedback cannot be obtained even after being fed back to the network device.
- the cell with better signal is used for the transmission of the multicast service. Therefore, when the signal of the second cell is poor, the signal of the first cell is detected at the same time.
- Feedback is sent to the network device to avoid waste of air interface signaling caused by meaningless feedback information.
- the second aspect provides a method for transmitting a multicast service, where the method includes: the network device sends configuration information corresponding to the MBMS in the first cell, where the configuration information corresponding to the MBMS includes: at least one cell identifier of the second cell, and second The cell is configured to cooperate with the first cell to transmit the MBMS at the same scheduling time or different scheduling moments; the network device sends the MTCH in the second cell according to the configuration information of the second cell.
- the configuration information corresponding to the MBMS is sent to the terminal device in the first cell by the network device, where the configuration information corresponding to the MBMS includes: the cell identifier of the at least one second cell, and the terminal device according to the second cell
- the cell identifier acquires the configuration information of the second cell
- the second cell is configured to cooperate with the first cell to transmit the MBMS at the same scheduling time or different scheduling moments
- the terminal device receives the MTCH from the second cell according to the configuration information of the second cell
- the terminal device can only receive the problem of the MCCH and the MTCH corresponding to the MBMS from one cell; and the effect that the terminal device can receive the same multicast service from the first cell and the second cell by using the carrier aggregation technology.
- the network device is in the second Before the MBMS service channel MTCH is sent in the cell, the method further includes: the network device sends configuration information of the n cells in the first cell, where the n cells are cells supporting the coordinated transmission of the MBMS, and the second cell is a subset of the n cells.
- the configuration information includes at least a correspondence between the cell identifier, the frequency information, and the bandwidth information.
- the configuration information corresponding to the MBMS further includes: a first G-RNTI, where the method further includes The network device sends the scheduling information in the first cell by using the first G-RNTI, and sends the MTCH in the first cell according to the scheduling information.
- the network device sends the MTCH in the second cell according to the configuration information of the second cell, including: The network device sends the scheduling information in the second cell by using the first G-RNTI according to the configuration information of the second cell, and sends the MTCH in the second cell according to the scheduling information; or the network device passes the configuration information of the second cell according to the configuration information of the second cell.
- the first G-RNTI sends the scheduling information in the first cell, and sends the MTCH in the second cell according to the scheduling information.
- the scheduling information is used to indicate the time-frequency resource location occupied by the MTCH.
- the configuration information corresponding to the MBMS further includes: the first G-RNTI, the configuration corresponding to the MBMS
- the information or the configuration information of the second cell further includes: a second G-RNTI; the method further includes: the network device sends the scheduling information in the first cell by using the first G-RNTI, and sends the information in the first cell according to the scheduling information.
- the MTCH sends the MTCH in the second cell according to the configuration information of the second cell, and the network device sends the scheduling information in the second cell by using the second G-RNTI according to the configuration information of the second cell, and according to the scheduling.
- the information is sent in the second cell, where the scheduling information is used to indicate the location of the time-frequency resource occupied by the MTCH.
- the first cell uses the authorized carrier
- the second cell uses the authorized carrier or the unlicensed carrier.
- the second cell that uses the carrier aggregation technology to transmit the MBMS in the same scheduling time or the different scheduling time may use an unlicensed carrier, and the terminal device may use the unlicensed spectrum. Receiving multicast services in the second cell improves the utilization of unlicensed spectrum resources.
- the network device sends the scheduling in the first cell by using the first G-RNTI according to the configuration information of the second cell And transmitting, by the network device, the MTCH in the second cell according to the scheduling information, where the network device sends the DCI in the first cell by using the first G-RNTI, where the predetermined field in the DCI carries the scheduled The cell identifier of the second cell; the network device sends the MTCH in the second cell according to the configuration information of the second cell.
- the predetermined fields are: a HARQ process number, an NDI, an RV, a TPC command for PUCCH, and a Flag for format0/format1A At least one of differentiation.
- the method further includes: after the N subframes of the subframe in which the configuration information corresponding to the transmitted MBMS is located, The step of transmitting the MTCH in the second cell according to the configuration information of the second cell; wherein N is a value greater than or equal to 0.
- the configuration information of the second cell includes: the second cell The cell identifier, in the configuration information of the n cells, the cell identifier of the second cell is the physical cell identifier of the second cell or the physical cell identifier of the second cell and the cell number of the second cell; configuration information corresponding to the MBMS
- the cell identifier of the second cell is the cell number of the second cell and the cell index of the second cell, where the cell number of the second cell is the sequence number of the configuration information of the second cell in the n cells, and the second cell The cell index is the sequence number of the second cell in the configuration information corresponding to the MBMS.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, and reference signal configuration information.
- the configuration information of the DRS and/or the CRS further includes: the network device receiving the first indication information that is sent by the terminal device, where the first indication information is the second cell that is obtained by the terminal device according to the reference signal configuration information of the second cell.
- the information sent when the signal measurement result is less than or equal to the signal threshold, the first indication information is used to indicate that the signal measurement result of the second cell is less than or equal to the signal threshold .
- the signal measurement result is obtained by measuring, by the terminal device, the signal of the second cell, and when the signal measurement result is less than or equal to the signal threshold, the first indication information is fed back to the network device, and is used when When the signal of the second cell transmitting the MTCH is poor, the network device may perform feedback in time to avoid the transmission error caused by the poor signal of the second cell.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, and reference signal configuration information.
- the configuration information of the DRS and/or the CRS further includes: the network device receiving the second indication information that is sent by the terminal device, where the second indication information is the second cell that is obtained by the terminal device according to the reference signal configuration information of the second cell.
- the signal measurement result is less than or equal to the signal threshold, and the obtained signal measurement result of the first cell is greater than the signal threshold, and the second indication information is used.
- the signal measurement result indicating that the first cell is greater than the signal threshold and the signal measurement result of the second cell is less than or equal to the signal threshold.
- the terminal device measures the signals of the first cell and the second cell to obtain a signal measurement result, and if the signal in the first cell is also poor, the feedback cannot be obtained even after being fed back to the network device.
- the cell with better signal is used for the transmission of the multicast service. Therefore, when the signal of the second cell is poor, the signal of the first cell is detected at the same time.
- Feedback is sent to the network device to avoid waste of air interface signaling caused by meaningless feedback information.
- a multicast service receiving apparatus configured to implement the multicast service receiving method provided in the foregoing first aspect.
- the fourth aspect provides a multicast service sending apparatus, where the multicast service receiving apparatus includes at least one unit, and the at least one unit is configured to implement the multicast service sending method provided in the foregoing second aspect.
- a terminal device comprising: a processor, a memory connected to the processor, a transmitter, and a receiver, wherein the memory is configured to store one or more instructions configured by the processor Executing, the processor implements the above by executing instructions in the memory A multicast service receiving method provided in one aspect.
- a network device comprising: a processor, a memory coupled to the processor, a transmitter, and a receiver, the memory for storing one or more instructions configured to be executed by the processor Executing, the processor is configured to implement the multicast service sending method provided in the foregoing second aspect by executing an instruction in the memory.
- a multicast service transceiver system comprising the multicast service sending apparatus as provided in the third aspect, and the multicast service receiving apparatus as provided in the fourth aspect.
- FIG. 1A is a schematic structural diagram of a multicast service transceiver system according to an exemplary embodiment of the present invention
- FIG. 1B is a schematic diagram of transceiving of a multicast service according to an exemplary embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a terminal device according to an exemplary embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of a network device according to an exemplary embodiment of the present invention.
- FIG. 4 is a flowchart of a method for transmitting and receiving multicast services according to an exemplary embodiment of the present invention
- FIG. 5A is a flowchart of a method for transmitting and receiving multicast services according to another exemplary embodiment of the present invention.
- FIG. 5B is a flowchart of a method for transmitting and receiving multicast services according to another exemplary embodiment of the present invention.
- FIG. 6 is a flowchart of a method for transmitting and receiving multicast services according to another exemplary embodiment of the present invention.
- FIG. 7 is a schematic diagram of transceiving of a multicast service according to an exemplary embodiment of the present invention.
- FIG. 8 is a flowchart of a method for transmitting and receiving multicast services according to another exemplary embodiment of the present invention.
- FIG. 9 is a flowchart of a method for transmitting and receiving multicast services according to another exemplary embodiment of the present invention.
- FIG. 10 is a block diagram of a multicast service transceiver apparatus according to an exemplary embodiment of the present invention.
- FIG. 11 is a block diagram of a multicast service transceiver apparatus according to an exemplary embodiment of the present invention.
- FIG. 1A is a schematic structural diagram of a multicast service transceiver system according to an exemplary embodiment of the present invention.
- the multicast service transceiver system includes: a network device 120 and a terminal device 140.
- the network device 120 is a network element in the system that performs service transmission with the terminal device 140.
- the service that the network device 120 and the terminal device 140 transmit is MBMS, and the network device 120 sends one MBMS to multiple terminal devices at the same time. Only one terminal device 140 is exemplarily shown in FIG. 1A. In a particular embodiment, the terminal devices 120 are typically multiple.
- the network device 120 is at least one evolved base station (eNB or e-NodeB) in a Long Term Evolution-Advance (LTE-A) system.
- eNB evolved base station
- LTE-A Long Term Evolution-Advance
- the terminal device 140 is an electronic device having wireless network communication capabilities such as a mobile phone, a tablet computer, an e-book reader, and a laptop portable computer.
- the terminal device 140 is located in the coverage of multiple cells provided by the network device 120.
- FIG. 1A is exemplified only in the coverage of the terminal device 140 located in the cell 10 and the cell 11.
- the number of the cells in which the terminal device 140 is located is not limited, and may be two or more. This embodiment does not limit this.
- the network device 120 uses the carrier aggregation technology to perform service transmission with the terminal device 140.
- the network device When the network device and the terminal device transmit the MBMS, the network device sends the MCCH to the terminal device, and the MCCH sends the service control information of the MBMS that is carried on the MCCH.
- the service control information includes a Temporary Multicast Group Identifier (TMGI) of the MBMS and a G-RNTI corresponding to the MBMS.
- TMGI Temporary Multicast Group Identifier
- G-RNTI is used to indicate that at least one terminal device that needs to receive the MBMS, and at least one terminal device that needs to receive the MBMS shares the same G-RNTI.
- the network device sends the MCCH to the terminal device once every Repetition Period (RP) 150.
- a modification period (MP) 161 includes a plurality of repetition periods 150.
- the content of the MCCH does not change during a modification cycle.
- a new MCCH is transmitted in the next modification period, as shown in FIG. 1B, at the boundary 163 of the modification period 161 and the modification period 162, A new MCCH is sent in the modification period 162, ie, the modification period 161 and the modification week.
- the content of the MCCH transmitted in period 162 can be different.
- the terminal device reads the MCCH only once in one modification cycle. After the cell has been accessed, the terminal device usually reads the first MCCH in a modification period. When the terminal device accesses the cell in an intermediate period in a modification period, the MCCH that is most recently appeared in the modification period is received after accessing the cell.
- the terminal device After reading the MCCH, the terminal device receives the MBMS Traffic Channel (MTCH) according to the MBMS service control information carried on the MCCH, and the receiving MTCH refers to receiving the MBMS data carried on the MTCH channel.
- MTCH MBMS Traffic Channel
- the Carrier Aggregation (CA) technology is to aggregate two or more component carriers (CCs) for service transmission to support larger bandwidth.
- the bandwidth of each component carrier can be reached. 20MHZ.
- the terminal device determines the number M of component carriers that the user can support, and the network device schedules the terminal device to perform service transmission on the M member carriers, and different terminal devices
- the number M of component carriers used may be different, and the number M of component carriers used by the same terminal device when transmitting different services may also be different.
- the two or more component carriers include a primary component carrier (PCC) and at least A secondary component carrier (SCC), wherein the primary component carrier is a licensed carrier (Licensed Cell), and the secondary component carrier is an authorized carrier or an unlicensed cell, wherein the authorized carrier is a government department (eg, The National Radio Management Committee) is the carrier that is authorized to be used by the operator; the unlicensed carrier is a carrier that can be used directly without authorization without meeting the relevant regulations (radio control) of the government department (eg, the National Radio Management Committee).
- PCC primary component carrier
- SCC secondary component carrier
- the authorized carrier is a government department (eg, The National Radio Management Committee) is the carrier that is authorized to be used by the operator
- the unlicensed carrier is a carrier that can be used directly without authorization without meeting the relevant regulations (radio control) of the government department (eg, the National Radio Management Committee).
- a network device may cover multiple cells, and one terminal device may be located in a coverage area of multiple cells, and different cells may correspond to different carrier frequencies when transmitting the same service, and the same cell may transmit different services. Corresponding to different carrier frequencies.
- the terminal device uses the carrier frequency corresponding to the cell in which the cell is located to perform the service transmission with the network device.
- the cell corresponding to the primary component carrier is the primary cell (Primary Cell, Pcell)
- the cell corresponding to the secondary component carrier is the secondary cell (Secondary Cell). , Scell).
- the multicast service transceiver system only takes two member carriers as an example.
- the two component carriers include one primary carrier and one secondary carrier, wherein the cell 10 corresponding to the primary carrier is the primary cell, and the secondary carrier corresponds to the secondary cell, and the terminal device 140 passes the primary carrier from the primary cell 10
- the MBMS transmitted by the receiving network device 120 receives the MBMS transmitted by the network device 120 from the secondary cell 11 through the secondary carrier.
- FIG. 2 is a schematic structural diagram of a terminal device 140 according to an exemplary embodiment of the present invention.
- the terminal device 140 includes a processor 21, a receiver 22, a transmitter 23, a memory 24, and a bus 25.
- Processor 21 includes one or more processing cores.
- the processor 21 executes various functional applications and data processing by running software programs and modules.
- the receiver 22 and the transmitter 23 can be implemented as a communication component.
- the communication component can be a communication chip.
- the communication chip can include a receiving module, a transmitting module, a modem module, and the like for receiving or transmitting a service by using a wireless signal.
- the memory 24 is connected to the processor 21 via a bus 25.
- Memory 24 can be used to store software programs as well as modules.
- the memory 24 can store the application modules 26 required for at least one function.
- the application module 26 can include a communication module 261 and a determination module 262.
- the communication module 261 is configured to receive configuration information corresponding to the MBMS from the first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of the at least one second cell, where the second cell is used at the same scheduling time or different from the first cell The scheduling moment cooperates to transmit the MBMS, and receives the MTCH from the second cell according to the configuration information of the second cell.
- the processing module 262 is configured to acquire configuration information of the second cell according to the cell identifier of the second cell.
- the memory can be implemented by any type of volatile or non-volatile memory device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk
- Optical Disk Optical Disk
- FIG. 3 is a schematic structural diagram of a network device 120 according to an exemplary embodiment of the present invention.
- the network device 120 includes a processor 31 , a receiver 32 , a transmitter 33 , a memory 34 , and a bus 35 .
- Processor 31 includes one or more processing cores.
- the processor 31 runs the software program And modules to perform various functional applications and data processing.
- the receiver 32 and the transmitter 33 can be implemented as a communication component.
- the communication component can be a communication chip.
- the communication chip can include a receiving module, a transmitting module, a modem module, and the like for receiving or transmitting a service by using a wireless signal.
- the memory 34 is connected to the processor 31 via a bus 35.
- Memory 34 can be used to store software programs as well as modules.
- the memory 34 can store the application modules 36 required for at least one function.
- the application module 36 can include a communication module 361.
- the communication module 361 is configured to send configuration information corresponding to the MBMS in the first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of the at least one second cell, where the second cell is used at the same scheduling time or different time as the first cell The scheduling moment cooperates to transmit the MBMS; and, according to the configuration information of the second cell, sends the MTCH in the second cell.
- the memory can be implemented by any type of volatile or non-volatile memory device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk
- Optical Disk Optical Disk
- FIG. 4 shows a flowchart of a multicast service transceiving method provided by an exemplary embodiment of the present invention. This embodiment is described by using the method in the multicast service transceiver system shown in FIG. 1A.
- the method includes:
- Step 401 The network device sends configuration information corresponding to the MBMS in the first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of the at least one second cell, where the second cell is used to be in the same scheduling time or different scheduling as the first cell. Coordinate the transmission of MBMS at all times.
- configuration information corresponding to the MBMS may also be referred to as multicast service configuration information.
- Step 402 The terminal device receives configuration information corresponding to the MBMS from the first cell.
- Step 403 The network device sends the MTCH in the second cell according to the configuration information of the second cell.
- Step 404 The terminal device acquires configuration information of the second cell according to the cell identifier of the second cell.
- Step 405 The terminal device receives the MTCH from the second cell according to the configuration information of the second cell.
- steps 401 and 403 can be separately implemented as a multicast service sending method on the network device side, and the foregoing steps 402, 404, and 405 can be implemented separately. Multicast service receiving method on the end device side.
- the configuration information of the n cells and the configuration information corresponding to the MBMS corresponding to the MBMS are sent to the terminal device by the network device in the first cell, and the configuration of the n cells is performed.
- the information includes: configuration information of the at least one second cell, where the second cell includes at least one cell identifier of the second cell for transmitting the MBMS together with the first cell by using the carrier aggregation technology, and the terminal device is configured according to the configuration information of the n cells.
- the terminal device When the terminal device receives the MTCH from the second cell, there are two different receiving modes depending on whether the second cell uses the licensed carrier or the unlicensed carrier.
- the first mode in which the second cell receives the MTCH is described by using the authorized carrier as an example.
- FIG. 5A a flowchart of a multicast service transceiving method provided by an exemplary embodiment of the present invention is shown. This embodiment is described by using the method in the multicast service transceiver system shown in FIG. 1A.
- the method includes:
- Step 501 The network device sends configuration information of the n cells in the first cell, where the n cells are cells that support the coordinated transmission of the MBMS, and the configuration information includes at least the correspondence between the cell identifier, the frequency information, and the bandwidth information.
- the network device sends configuration information of the n cells to the terminal device by using system broadcast information or the MCCH.
- the first cell is a primary cell, and the first cell uses an authorized carrier.
- the configuration information includes at least one of a cell identifier, frequency information, bandwidth information, reference signal configuration information, and a signal threshold.
- the frequency information, the bandwidth information, the reference signal configuration information, and the signal threshold are optional.
- the content included in the configuration information of different cells in the n cells may be the same or different.
- the cell identifier is a physical cell identifier or a physical cell identifier and a cell number, and the physical cell identifier and the cell number correspond to each other.
- the physical cell identifier may be a physical cell identifier (Physical Cell Identifier, PCI), Evolved UMTS Terrestrial Radio Access Network (E-UTRAN), E-UTRAN Cell Global Identifier (ECGI), or other
- PCI Physical Cell Identifier
- E-UTRAN Evolved UMTS Terrestrial Radio Access Network
- ECGI E-UTRAN Cell Global Identifier
- the cell number of the cell is a sequence number of the cell in the configuration information of the n cells, and the cell number may be display configuration, that is, the network device uses signaling to indicate the cell number of the cell to the terminal device; the cell number may also be The type of the cell identifier is not limited, and the network device does not use the signaling to indicate that the cell number of the cell corresponds to the sequence in which the cell appears in the configuration information of the n cells.
- the identifiers used by the cell identifiers of different cells may be the same or different.
- Physical cell identity Frequency information / MHZ Bandwidth information / MHZ Cell number Community 1 Physical cell identification 1 800 5 1 (00) Community 2 Physical cell identity 2 500 7 2 (01) Community 3 Physical cell identification 3 300 3 3(10) Community 4 Physical cell identification 4 100 4(11)
- the configuration information of the n cells shown in Table 1 above includes configuration information of the cell 1, the cell 2, the cell 3, and the cell 4.
- the cell identifier included in the configuration information is a physical cell identifier and a cell number, and the cell 1, the cell 2, and
- the configuration information of the cell 3 includes: a physical cell identifier, a frequency information of the cell, a bandwidth information of the cell, and a cell number.
- the configuration information of the cell 4 includes: a physical cell identifier, a frequency information, and a cell number, and the cell 1, the cell 2, and
- the configuration information of the cell 3 includes different contents.
- the cell number is explicitly configured, the cell number of cell 1 is 1, the cell number of cell 2 is 2, the cell number of cell 3 is 3, the cell number of cell 4 is 4, and the network device passes binary.
- the mode indicates the cell number. If the first table includes four cells, it needs to be represented by 2-bit information. As shown in Table 1, the use of 00 indicates cell number 1, and 01 indicates cell number 2; in another possible embodiment.
- the cell number may not be displayed in the configuration information of the n cells. If the information of the cell number is not included in the first cell, the cell appears in the configuration information of the n cells according to each cell. In the order of the cell 1, the cell number of cell 1 is 1, the cell number of cell 2 is 2, the cell number of cell 3 is 3, and the cell number of cell 4 is 4.
- the content and the format of the configuration information of the n cells shown in the foregoing Table 1 are all exemplary.
- the content included in the configuration information of the different cells shown in the foregoing Table 1 is also exemplary. There is no limit to this.
- Step 502 The network device sends the configuration information corresponding to the MBMS in the first cell, where the configuration information corresponding to the MBMS includes: the cell identifier of the at least one second cell, where the second cell is used at the same scheduling time or different scheduling as the first cell. Coordinate the transmission of MBMS at all times.
- the network device sends the configuration information corresponding to the MBMS to the terminal device by using the MCCH, where the MCCH may be the first MCCH of a modification period or the last MCCH in a modification period.
- the configuration information corresponding to the MBMS includes: at least one of a cell identifier of the at least one second cell, a TMGI of the MBMS, a first G-RNTI, and a DRX parameter, where the TMGI and the DRX parameter are optional, where A G-RNTI corresponds to MBMS.
- the second cell is a subset of n cells in the configuration information of the n cells that the network device sends to the terminal device.
- the cell identifier of the second cell is a cell number and a cell index of the second cell, and the cell index is used to identify the second cell in the DCI during cross-carrier scheduling, the cell number Corresponds to the cell index.
- the cell number of the second cell is the sequence number of the configuration information of the second cell in the n cells, the cell number includes more data information, and the cell index of the second cell is the configuration information of the second cell corresponding to the MBMS.
- the sequence number, cell index uses less data information to identify the second cell than the cell number.
- the network device when the cell number display configuration in the configuration information of the n cells sent by the network device to the terminal device, the network device indicates the cell number of the cell by sending signaling, and the configuration of the eight cells is included in the configuration information of the n cells.
- the network device needs 3-bit information when using the binary representation of the cell number, for example, using 000 for cell number 1, 001 for cell number 2, ...111 for cell number 8, and assuming that the configuration information corresponding to the MBMS includes a second cell.
- the second cell is a cell with a cell number of 3 in the n cells
- the cell identifier of the second cell in the configuration information corresponding to the MBMS includes a cell number 3 and a cell index 1
- the network device indicates the
- the cell number of the second cell in the configuration information corresponding to the MBMS is the same as the cell number in the configuration information of the n cells of the second cell, and the cell number of the second cell is unchanged, but the second When a cell transmits a different MBMS, the corresponding cell index may be different.
- the at least one second cell included in the configuration information corresponding to the MBMS is a secondary cell used for coordinating transmission of the MBMS with the first cell using the carrier aggregation technology at the same scheduling time or different scheduling moments, which is the foregoing n cells.
- Cell number DRX parameters Cell index Community 2 2 (01) Parameter 1 1(0) Community 4 4(11) Parameter 2 2(1)
- the configuration information corresponding to the MBMS shown in the foregoing Table 2 includes two second cells, that is, the cell 2 and the cell 4 in the foregoing Table 1.
- the configuration information corresponding to the MBMS includes the cell number and the DRX parameter corresponding to the cell 2 and the cell 4.
- the cell index the cell number of the cell 2 is 2
- the cell number of the cell 4 is 4, and the cell number of the cell 2 and the cell 4 in the configuration information of the n cells shown in the above Table 1 is the same, and the network device uses 2-bit information.
- the indication is that the cell index of the cell 2 is the sequence number of the cell 2 corresponding to the MBMS configuration information shown in Table 2.
- the cell index of the cell 2 is 1, and the cell index of the cell 4 is the MBMS of the cell 4 shown in Table 2.
- the sequence number in the corresponding configuration information, the cell index of the cell 4 is 2, and the network device uses the binary information to indicate the cell index. If the second table includes two second cells, the network device uses 1-bit information, as shown in Table 2 above. As shown, cell index 1 is identified using 0 and cell index 2 is indicated using 1.
- the second cell in the configuration information corresponding to the MBMS uses the authorized carrier as an example.
- the configuration information of the foregoing n cells may be a configuration shared by multiple MBMSs.
- the second cell in which the MBMS is cooperatively transmitted at the same scheduling time or at different scheduling times by using the carrier aggregation technology may be different, for example, the n cells sent by the network device to the terminal device, when the different MBMSs are transmitted.
- the configuration information is as shown in Table 1 above.
- the network device and the terminal device use the cell 1 as the second cell when transmitting one MBMS, and use the cell 2 as the second cell when transmitting another MBMS.
- the method for the terminal device to receive the configuration information of the n cells from the first cell, and the method for receiving the configuration information corresponding to the MBMS from the first cell is the same as the foregoing steps 501 and 502, and is not further described in this embodiment.
- Step 503 The terminal device acquires configuration information of the second cell from the configuration information of the n cells according to the cell identifier of the second cell.
- the terminal device searches for configuration information corresponding to the cell identifier of the second cell included in the configuration information corresponding to the MBMS in the configuration information of the n cells, and the content included in the configuration information of the second cell and the configuration information of the n cells
- the content included is similar, and the details are not described in this embodiment.
- the cell identifier of the second cell is a cell number
- the cell number of the second cell in the configuration information corresponding to the MBMS received by the terminal device is the cell number 2 and the cell number 4
- the terminal device receives the The configuration information of the n cells is as shown in the above table 1.
- the terminal device acquires the configuration information of the two second cells, that is, the cell number 2 and the cell number, from the configuration information of the n cells according to the cell number 2 and the cell number 4.
- Step 504 The terminal device receives scheduling information from the first cell by using the first G-RNTI, and receives the MTCH from the first cell according to the scheduling information.
- the scheduling information is used to indicate the location of the time-frequency resource occupied by the MTCH.
- the terminal device may also receive scheduling information from the second cell by using the first G-RNTI, and receive the MTCH from the first cell according to the scheduling information by means of cross-carrier scheduling.
- the N is a value greater than or equal to 0, and receives the MTCH from the second cell according to the configuration information of the second cell, where the terminal device uses The method shown in step 505 or step 506 below receives the MTCH from the second cell.
- Step 505 The terminal device receives scheduling information from the second cell by using the first G-RNTI according to the configuration information of the second cell, and receives the MTCH from the second cell according to the scheduling information.
- Step 506 The terminal device receives scheduling information from the first cell by using the first G-RNTI according to the configuration information of the second cell, and receives the MTCH from the second cell according to the scheduling information.
- step 504 and step 505 or step 504 and step 506 have no specific sequence relationship, and are executed according to a specific scheduling policy.
- the network device sends the MTCH in the second cell according to the configuration information of the second cell, and the network device uses two different methods in the second.
- Send MTCH in the cell :
- the network device sends the MTCH in the first cell by using the first G-RNTI, and the configuration information according to the second cell is the same as the method shown in step 504 above;
- the method in which the network device sends the scheduling information in the second cell by using the first G-RNTI, and sends the MTCH in the second cell according to the scheduling information is similar to the foregoing step 505, or the network device passes the first configuration according to the configuration information of the second cell.
- the method in which the G-RNTI sends the scheduling information in the first cell and sends the MTCH in the second cell according to the scheduling information is similar to the foregoing step 506, which is not described in this embodiment.
- the network device sends the configuration information corresponding to the MBMS to the terminal device in the first cell, where the configuration information corresponding to the MBMS includes: at least one cell of the second cell. And determining, by the terminal device, the configuration information of the second cell according to the cell identifier of the second cell, where the second cell is configured to cooperate with the first cell to transmit the MBMS at the same scheduling time or different scheduling time, and the terminal device is configured according to the configuration information of the second cell.
- the second cell receives the MTCH; and solves the problem that the terminal device can only receive the MCCH and the MTCH corresponding to the MBMS from one cell; and the terminal device can receive the same one from the first cell and the at least one second cell by using the carrier aggregation technology.
- the network device only needs to indicate the first G-RNTI to the terminal device, and the terminal device can use the first G-RNTI from the first cell and the at least one second cell.
- the network device does not need to use signaling to indicate to the terminal device the G-RNTI used by each second cell, thereby saving air interface signaling.
- the second cell uses an unlicensed carrier as an example, and the terminal device receives the MCCH from the second cell.
- the second way is explained.
- the configuration information of the second cell is configured in the configuration information of the n cells or the configuration information corresponding to the MBMS in the embodiment. Also included is a second G-RNTI.
- step 507 the above steps 505 and 506 can be implemented as step 507 instead:
- Step 507 The terminal device receives and receives scheduling information from the second cell by using the second G-RNTI according to the configuration information of the second cell, and receives the MTCH from the second cell according to the scheduling information.
- the terminal device After receiving the N subframes of the subframe in which the configuration information corresponding to the MBMS is located, the terminal device receives the MTCH from the second cell according to the configuration information of the second cell.
- the second cell may also be an authorized carrier.
- the method for the network device to send the scheduling information in the second cell by using the second G-RNTI according to the configuration information of the second cell, and sending the MTCH in the second cell according to the scheduling information is similar to the foregoing step 507, and this embodiment does not Let me repeat.
- the method for transmitting and receiving a multicast service provided by the embodiment of the present disclosure may be an unlicensed carrier used by the second cell that uses the carrier aggregation technology to transmit the MBMS in the first cell, and the terminal device may use the unlicensed spectrum.
- Receiving multicast services in the second cell improves the utilization of unlicensed spectrum resources.
- step 506 when the terminal device receives the MTCH from the second cell by means of the cross-carrier scheduling method shown in step 506, the following steps are included, as shown in FIG.
- Step 601 The network device sends the DCI to the terminal device in the first cell by using the first G-RNTI, where the predetermined field in the DCI carries the cell identifier of the scheduled second cell.
- the cell identifier of the second cell carried in the predetermined field in the DCI is a cell index.
- the network device sends the DCI to the terminal device by using a physical downlink control channel (PDCCH).
- PDCH physical downlink control channel
- the DCI that the network device sends to the terminal device by using the first cell carries the cell identifier of the second cell. Because the traditional DCI format 1A does not have a dedicated field for transmitting the cell identifier of the second cell. Therefore, in this embodiment, the predetermined field in the traditional DCI format 1A is redefined, and the cell identifier of the second cell is transmitted by using the useful field or the redundant field in the traditional DCI format 1A.
- the DCI in this embodiment may be called For the DCI format 1A, or other DCI format, such as the DCI format 1M, this embodiment does not limit this.
- the conventional DCI format 1A includes at least 9 bits of redundant fields; in Time Division Duplexing (TDD), the conventional DCI format 1A Includes at least 11 bits of extra fields.
- the terminal device since the terminal device does not need to feed back the HARQ information to the network device after receiving the multicast service sent by the network device, the HARQ process number, the NDI, the RV, and the TPC command for the PUCCH related to the HARQ mechanism are redundant.
- the multicast service is sent by the network device to the terminal device, that is, it works in the downlink, and the DCI format 0 is used to indicate the uplink scheduling information, so the Flag for format0/format1A differentiation is also a redundant field.
- the redundant field in the DCI format 1A is used as the predetermined field to transmit the cell identity of the second cell, that is, the predetermined fields are: HARQ process number, NDI, RV, TPC command for PUCCH, and Flag for format0/ At least one of format1A differentiation.
- Table 3 exemplarily shows one possible form of a conventional DCI format 1A, which shows different fields and their corresponding field lengths:
- the LVRB/DVRB assignment flag refers to a resource allocation identifier of a localized virtual resource block (LVRB)/distributed virtual resource block (DVRB), and an RB assignment refers to a resource block (RB).
- LVRB localized virtual resource block
- DVRB distributed virtual resource block
- RB resource block
- the length of the field corresponding to the RB assignment is not fixed, which is not limited in this embodiment.
- the predetermined field in the DCI is a HARQ process number, that is, the DCI is a redefinition of the HARQ process number in the traditional DCI format 1A, and the network device uses the 3 bits corresponding to the HARQ process number to transmit Cell identification.
- Step 602 The terminal device receives the DCI from the first cell by using the first G-RNTI.
- Step 603 The terminal device parses a predetermined field in the DCI to obtain a cell identifier of the second cell.
- the terminal device obtains the scheduling information according to the other fields in the DCI, for example, determining which resource block to receive from the second cell according to the RB assignment, and the content of the other fields is not limited in this embodiment.
- the cell index obtained by the terminal device parsing the predetermined field in the DCI determines that the second cell corresponding to the cell index is the scheduled second cell according to the cell index.
- Step 604 The terminal device determines configuration information of the scheduled second cell according to the cell identifier of the second cell.
- the second cell corresponding to the cell index in the DCI received by the terminal device is the scheduled second cell, and is at least one second cell in the configuration information corresponding to the MBMS.
- the terminal device determines, according to the parsed cell index of the second cell and the configuration information corresponding to the MBMS, the cell number of the scheduled second cell, according to the scheduled cell number of the second cell and the configuration information of the n cells. Determining configuration information of the scheduled second cell.
- the configuration information of the n cells received by the terminal device is as shown in Table 1 above, and the configuration information corresponding to the MBMS is as shown in Table 2, and the terminal device parses the predetermined field in the received DCI to obtain the cell. If the index is 1, the terminal device determines that the cell number corresponding to the cell index 1 is 2 according to the cell index and the configuration information corresponding to the MBMS, and determines that the second cell with the cell number 2 is the cell according to the cell number and the configuration information of the n cells. 2. The second cell that is scheduled is cell 2, and the configuration information of cell 2 is determined.
- Step 605 The network device sends the MTCH in the second cell according to the configuration information of the second cell.
- Step 606 The terminal device receives the MTCH from the second cell according to the configuration information of the second cell.
- the terminal device receives the MTCH from the second cell according to the determined configuration information of the scheduled second cell. In the above exemplary example, the terminal device receives the MTCH from the cell 2.
- the network device and the terminal device perform the transmission of the multicast service in the system as shown in FIG. 1A, and the terminal device 140 receives the MBMS for transmission on the two component carriers, and the primary carrier corresponds to the first A cell 10, the secondary carrier corresponds to the second cell 11, the first cell uses the authorized carrier, and the second cell uses the unlicensed carrier, and the network device 120 and the terminal device 140 perform the service transmission as shown in FIG. 7:
- the terminal device receives the MCCH from the first cell, and the configuration information of the n cells and the configuration information corresponding to the MBMS are carried on the MCCH, and the terminal device receives the MTCH from the first cell and/or receives the MTCH from the second cell according to the MCCH.
- the terminal device before receiving the MTCH from the first cell and/or the second cell, the terminal device further includes the following steps, as shown in FIG. 8:
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell;
- Step 801 The terminal device acquires a signal measurement result of the second cell according to the reference signal configuration information of the second cell.
- the reference signal configuration information is configuration information of a Discovery Reference Signal (DRS) and/or a Common Reference Signal (CRS).
- DRS Discovery Reference Signal
- CRS Common Reference Signal
- Step 802 When the signal measurement result of the second cell is less than or equal to the signal threshold, the terminal device feeds back the first indication information to the network device.
- the first indication information is used to indicate to the network device that the signal measurement result of the second cell is less than or equal to a signal threshold, indicating that the signal quality of the terminal device in the second cell is already poor.
- the value of the signal threshold is not limited in this embodiment.
- Step 803 The network device receives the first indication information that is fed back by the terminal device.
- the network device receives the first indication information that is sent back by the terminal device
- the content included in the first indication information is not limited in this embodiment.
- the network device re-transmits the configuration information corresponding to the MBMS to the terminal device, where the configuration information corresponding to the retransmitted MBMS includes: a cell identifier of the new second cell.
- the configuration information of the n cells is as shown in Table 1 above, and the second cell used for transmitting the MBMS together with the first cell using the carrier aggregation technology is the cell 2, when the terminal device measures When the signal measurement result of the cell 2 is less than the signal threshold, the first indication information is sent back to the network device, and after receiving the first indication information, the network device determines that the new second cell is the cell 3, and sends the cell to the terminal device again.
- the configuration information corresponding to the MBMS of the cell identifier of 3 is shared by the cell 3 and the cell 1 by the MBMS.
- the network device sends signaling to the terminal device to indicate to abandon the use of the carrier aggregation technology to transmit the MBMS, and the MBMS is separately transmitted by the first cell.
- the multicast service receiving and receiving method obtains a signal measurement result by using a terminal device to measure a signal of the second cell, and when the signal measurement result is less than or equal to a signal threshold, the first information is fed back to the network device.
- the indication information is that when the signal of the second cell for transmitting the MTCH is poor, the network device can perform feedback in time to avoid the transmission error caused by the second cell signal being too poor.
- the terminal device before receiving the MTCH from the first cell and/or the second cell, the terminal device further includes the following steps, as shown in FIG. 9 :
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell;
- Step 901 The terminal device acquires a signal measurement result of the second cell according to the reference signal configuration information of the second cell.
- the reference signal configuration information is configuration information of the DRS and/or the CRS.
- Step 902 The terminal device acquires a signal measurement result of the first cell.
- Step 903 When the signal measurement result of the second cell is less than or equal to the signal threshold, and the signal measurement result of the first cell is greater than the signal threshold, the second indication information is fed back to the network device.
- the second indication information is used to indicate to the network device that the signal measurement result of the first cell is greater than a signal threshold and the signal measurement result of the second cell is less than or equal to a signal threshold.
- the value of the signal threshold is not limited, and the content included in the second indication information is not limited.
- the second indication information is not fed back to the network device.
- Step 904 The network device receives second indication information that is fed back by the terminal device.
- the network device receives the second indication information that is sent back by the terminal device
- the carrier aggregation technology is used to transmit the MBMS. This embodiment does not do this. limited.
- the network device sends the configuration information corresponding to the MBMS to the terminal device, and the configuration information corresponding to the retransmitted MBMS includes a new cell identifier of the second cell used for jointly transmitting the MBMS with the first cell.
- the terminal device measures the signals of the first cell and the second cell to obtain a signal measurement result, because the signal in the first cell is also poor, Even if the signal of the second cell is poor, the signal of the first cell is detected when the signal of the second cell is poor, and the signal of the first cell is good, When the signal of the second cell is poor, feedback is sent to the network device, which avoids waste of air interface signaling caused by meaningless feedback information.
- FIG. 10 is a structural block diagram of a multicast service receiving apparatus according to an embodiment of the present invention.
- the multicast service receiving apparatus may be implemented as part or all of a terminal device by software, hardware, or a combination of both.
- the multicast service receiving apparatus may include:
- the communication unit 1010 is configured to receive the configuration information corresponding to the MBMS from the first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of the at least one second cell, where the second cell is used at the same scheduling time or different time as the first cell Scheduling the coordinated transmission of MBMS;
- the processing unit 1020 is configured to acquire configuration information of the second cell according to the cell identifier of the second cell.
- the communication unit 1010 is further configured to receive the MTCH from the second cell according to the configuration information of the second cell.
- processing unit 1020 obtains configuration information of the second cell and how the communication unit 1010 receives the MTCH may be combined with reference to the above method embodiments.
- the terminal device when receiving and/or transmitting information, the terminal device can be implemented by the foregoing communication unit 1010.
- the terminal device can be implemented by the processing unit 1020.
- FIG. 11 is a structural block diagram of a multicast service sending apparatus according to an embodiment of the present invention.
- the multicast service sending apparatus can be implemented as a network device (such as a base station) by using software, hardware, or a combination of the two. Part or all of it.
- the multicast service sending apparatus may include:
- the communication unit 1110 is configured to send the configuration information corresponding to the MBMS in the first cell, where the configuration information corresponding to the MBMS includes: a cell identifier of the at least one second cell, where the second cell is used at the same scheduling time or different from the first cell Scheduling the coordinated transmission of MBMS;
- the communication unit 1110 is further configured to send the MTCH in the second cell according to the configuration information of the second cell.
- the network device can be implemented by the foregoing communication unit 1110 when transmitting and/or receiving information.
- the configuration information corresponding to the MBMS further includes: a first G-RNTI.
- the communication unit 1010 is further configured to receive scheduling information from the first cell by using the first G-RNTI, and receive the MTCH from the first cell according to the scheduling information;
- the communication unit 1010 is further configured to receive scheduling information from the second cell by using the first G-RNTI according to the configuration information of the second cell, and receive the MTCH from the second cell according to the scheduling information.
- the communication unit 1010 is further configured to receive scheduling information from the first cell by using the first G-RNTI according to the configuration information of the second cell, and receive the MTCH from the second cell according to the scheduling information.
- the communication unit 1110 is further configured to send scheduling information in the first cell by using the first G-RNTI, and send the MTCH in the first cell according to the scheduling information.
- the communication unit 1110 is further configured to send scheduling information in the second cell by using the first G-RNTI according to the configuration information of the second cell, and send the MTCH in the second cell according to the scheduling information.
- the communication unit 1110 is further configured to send scheduling information in the first cell by using the first G-RNTI according to the configuration information of the second cell, and send the MTCH in the second cell according to the scheduling information.
- the configuration information corresponding to the MBMS further includes: a first G-RNTI, where the configuration information corresponding to the MBMS or the configuration information of the second cell further includes: a second G-RNTI.
- the communication unit 1010 is further configured to receive scheduling information from the first cell by using the first G-RNTI, and receive the MTCH from the first cell according to the scheduling information;
- the communication unit 1010 is further configured to receive scheduling information from the second cell by using the second G-RNTI according to the configuration information of the second cell, and receive the MTCH from the second cell according to the scheduling information.
- the communication unit 1110 is further configured to send scheduling information in the first cell by using the first G-RNTI, and send the MTCH in the first cell according to the scheduling information;
- the communication unit 1110 is further configured to send scheduling information in the second cell by using the second G-RNTI according to the configuration information of the second cell, and send the MTCH in the second cell according to the scheduling information.
- the communication unit 1010 is further configured to: receive, after the N subframes of the subframe in which the configuration information corresponding to the MBMS is received, receive the MTCH from the second cell according to the configuration information of the second cell. .
- the communication unit 1110 is further configured to: after the N subframes of the subframe in which the configuration information corresponding to the transmitted MBMS is located, send the MTCH in the second cell according to the configuration information of the second cell.
- the communication unit 1010 is further configured to receive the DCI from the first cell by using the first G-RNTI.
- the processing unit 1020 is further configured to parse a predetermined field in the DCI to obtain a cell identifier of the second cell.
- the processing unit 1020 is further configured to determine configuration information of the scheduled second cell according to the cell identifier of the second cell.
- the communication unit 1010 is further configured to receive the MTCH from the second cell according to the configuration information of the second cell.
- the communication unit 1110 is further configured to send, by using the first G-RNTI, a DCI to the terminal device in the first cell, where the predetermined field in the DCI carries the cell identifier of the scheduled second cell.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, where the reference signal configuration information is configuration information of the DRS and/or the CRS,
- the processing unit 1020 is further configured to acquire a signal measurement result of the second cell according to the reference signal configuration information of the second cell.
- the communication unit 1010 is further configured to: when the signal measurement result of the second cell is less than or equal to the signal threshold, feed back the first indication information to the network device.
- the communication unit 1110 is further configured to receive first indication information that is fed back by the terminal device.
- the configuration information of the second cell further includes: a signal threshold and reference signal configuration information of the second cell, where the reference signal configuration information is configuration information of the DRS and/or the CRS,
- the processing unit 1020 is further configured to acquire a signal measurement result of the second cell according to the reference signal configuration information of the second cell.
- the processing unit 1020 is further configured to acquire a signal measurement result of the first cell.
- the communication unit 1010 is further configured to: when the signal measurement result of the second cell is less than or equal to the signal threshold, and the signal measurement result of the first cell is greater than the signal threshold, forward the second indication information to the network device.
- the communication unit 1110 is further configured to receive second indication information that is fed back by the terminal device.
- the transceiver function of the communication unit 1010 may be implemented by a terminal device transceiver; the function of the determining unit 1020 may be implemented by a processor of the terminal device; and the function of the communication unit 1110 may be through a network device. Transceiver to achieve.
- the terminal device and the network device may further include other electronic devices such as a memory, a power source, an antenna, and the like for storing codes for implementing the above functions.
- a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
- the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.
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Abstract
Description
物理小区标识 | 频率信息/MHZ | 带宽信息/MHZ | 小区编号 | |
小区1 | 物理小区标识1 | 800 | 5 | 1(00) |
小区2 | 物理小区标识2 | 500 | 7 | 2(01) |
小区3 | 物理小区标识3 | 300 | 3 | 3(10) |
小区4 | 物理小区标识4 | 100 | 4(11) |
小区编号 | DRX参数 | 小区索引 | |
小区2 | 2(01) | 参数1 | 1(0) |
小区4 | 4(11) | 参数2 | 2(1) |
DCI format 1A |
Flag for format0/format1A differentiation–1bit |
LVRB/DVRB assignment flag–1bit |
RB assignment |
MCS–5bits |
NDI–1bit |
RV–2bits |
- |
TPC command for PUCCH–2bits |
HARQ process number–3bits |
Claims (45)
- 一种多播业务接收方法,其特征在于,所述方法包括:终端设备从第一小区中接收多媒体广播业务MBMS对应的配置信息,所述MBMS对应的配置信息中包括:至少一个第二小区的小区标识,所述第二小区用于和所述第一小区在同一调度时刻或不同调度时刻协同传输所述MBMS;所述终端设备根据所述第二小区的小区标识获取所述第二小区的配置信息;所述终端设备根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH。
- 根据权利要求1所述的方法,其特征在于,所述终端设备根据所述第二小区的小区标识获取所述第二小区的配置信息之前,还包括:所述终端设备从所述第一小区接收n个小区的配置信息,所述n个小区是支持协同传输MBMS的小区,所述第二小区是所述n个小区的子集,所述配置信息至少包括所述小区标识、频率信息和带宽信息之间的对应关系;所述终端设备根据所述第二小区的小区标识获取所述第二小区的配置信息,包括:所述终端设备根据所述第二小区的小区标识,从所述n个小区的配置信息中获取所述第二小区的配置信息。
- 根据权利要求1或2所述的方法,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI;所述方法还包括:所述终端设备通过所述第一G-RNTI从所述第一小区接收调度信息,并根据所述调度信息从所述第一小区接收所述MTCH;所述终端设备根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH,包括:所述终端设备根据所述第二小区的配置信息,通过所述第一G-RNTI从所述第二小区接收所述调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;或者,所述终端设备根据所述第二小区的配置信息,通过所述第一G-RNTI从所述第一小区接收所述调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求1或2所述的方法,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述MBMS对应的配置信息或者所述第二小区的配置信息中还包括:第二G-RNTI;所述方法还包括:所述终端设备通过所述第一G-RNTI从所述第一小区接收调度信息,并根据所述调度信息从所述第一小区接收所述MTCH;所述终端设备根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH,包括:所述终端设备根据所述第二小区的配置信息,通过所述第二G-RNTI从所述第二小区接收调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求4所述的方法,其特征在于,所述第一小区使用授权载波,所述第二小区使用授权载波或非授权载波。
- 根据权利要求3所述的方法,其特征在于,所述终端设备根据所述第二小区的配置信息,通过所述第一G-RNTI从所述第一小区接收所述调度信息,并根据所述调度信息从所述第二小区接收所述MTCH,包括:所述终端设备通过所述第一G-RNTI从所述第一小区接收下行控制信息DCI;所述终端设备对所述DCI中的预定字段进行解析,获取所述第二小区的小区标识;所述终端设备根据所述第二小区的小区标识,确定被调度的所述第二小区的配置信息;所述终端设备根据所述第二小区的配置信息,从所述第二小区接收所述MTCH。
- 根据权利要求6所述的方法,其特征在于,所述预定字段是:混合自动重传请求进程号(Hybrid Automatic Repeat Request process number,HARQ process number)、新数据指示(New data indicator,NDI)、冗余版本(Redundancy version,RV)、用于物理上行控制信道(Physical Uplink Control Channel,PUCCH)的传输功率控制(Transmission Power Control,TPC)命令(TPC command for PUCCH),以及用于区分format 0和format 1A的标识(Flag for format0/format1A differentiation)中的至少一种。
- 根据权利要求1至5任一所述的方法,其特征在于,所述方法还包括:所述终端设备在接收到的所述MBMS对应的配置信息所在子帧的N个子帧之后,执行所述终端设备根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH的步骤;其中,N为大于等于0的数值。
- 根据权利要求1至6任一所述的方法,其特征在于,所述第二小区的配置信息中包括:所述第二小区的小区标识,在所述n个小区的配置信息中,所述第二小区的小区标识是所述第二小区的物理小区标识或者是所述第二小区的物理小区标识和所述第二小区的小区编号;在所述MBMS对应的配置信息中,所述第二小区的小区标识是所述第二小区的小区编号和所述第二小区的小区索引;其中,所述第二小区的小区编号是所述第二小区在所述n个小区的配置信息中的顺序编号,所述第二小区的小区索引是所述第二小区在所述MBMS对应的配置信息中的顺序编号。
- 根据权利要求1至9任一所述的方法,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述方法还包括:所述终端设备根据所述第二小区的参考信号配置信息获取所述第二小区的信号测量结果;当所述第二小区的信号测量结果小于或等于所述信号门限时,所述终端设备向网络设备反馈第一指示信息,所述第一指示信息用于向所述网络设备指示所述第二小区的信号测量结果小于或等于所述信号门限。
- 根据权利要求1至9任一所述的方法,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述方法还包括:所述终端设备根据所述第二小区的参考信号配置信息获取所述第二小区的信号测量结果;所述终端设备获取所述第一小区的信号测量结果;当所述第二小区的信号测量结果小于或等于所述信号门限,且所述第一小区的信号测量结果大于所述信号门限时,所述终端设备向网络设备反馈第二指示信息,所述第二指示信息用于向所述网络设备指示所述第一小区的信号测量结果大于所述信号门限且所述第二小区的信号测量结果小于或等于所述信号门限。
- 一种多播业务发送方法,其特征在于,所述方法包括:网络设备在第一小区中发送多媒体广播业务MBMS对应的配置信息,所述MBMS对应的配置信息中包括:至少一个第二小区的小区标识,所述第二小区用于和所述第一小区在同一调度时刻或不同调度时刻协同传输所述MBMS;所述网络设备根据所述第二小区的配置信息,在所述第二小区中发送所述MBMS的业务信道MTCH。
- 根据权利要求12所述的方法,其特征在于,所述网络设备在所述第二小区中发送所述MBMS的业务信道MTCH之前,还包括:所述网络设备在所述第一小区中发送n个小区的配置信息,所述n个小区是支持协同传输MBMS的小区,所述第二小区是所述n个小区的子集,所述配置信息至少包括所述小区标识、频率信息和带宽信息之间的对应关系。
- 根据权利要求12或13所述的方法,其特征在于,所述MBMS对应的 配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述方法还包括:所述网络设备通过所述第一G-RNTI在所述第一小区中发送调度信息,并根据所述调度信息在所述第一小区中发送所述MTCH;所述网络设备根据所述第二小区的配置信息,在所述第二小区中发送所述MBMS的业务信道MTCH,包括:所述网络设备根据所述第二小区的配置信息,通过所述第一G-RNTI在所述第二小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;或者,所述网络设备根据所述第二小区的配置信息,通过所述第一G-RNTI在所述第一小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求12或13所述的方法,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述MBMS对应的配置信息或者所述第二小区的配置信息中还包括:第二G-RNTI;所述方法还包括:所述网络设备通过所述第一G-RNTI在所述第一小区中发送调度信息,并根据所述调度信息在所述第一小区中发送所述MTCH;所述网络设备根据所述第二小区的配置信息,在所述第二小区中发送所述MBMS的业务信道MTCH,包括:所述网络设备根据所述第二小区的配置信息,通过所述第二G-RNTI在所述第二小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求15所述的方法,其特征在于,所述第一小区使用授权载波,所述第二小区使用授权载波或非授权载波。
- 根据权利要求14所述的方法,其特征在于,所述网络设备根据所述第 二小区的配置信息,通过所述第一G-RNTI在所述第一小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH,包括:所述网络设备通过所述第一G-RNTI在所述第一小区中发送下行控制信息DCI,所述DCI中的预定字段中携带有调度的所述第二小区的小区标识;所述网络设备根据所述第二小区的配置信息,在所述第二小区中发送所述MTCH。
- 根据权利要求17所述的方法,其特征在于,所述预定字段是:混合自动重传请求进程号(Hybrid Automatic Repeat Request process number,HARQ process number)、新数据指示(New data indicator,NDI)、冗余版本(Redundancy version,RV)、用于物理上行控制信道(Physical Uplink Control Channel,PUCCH)的传输功率控制(Transmission Power Control,TPC)命令(TPC command for PUCCH),以及用于区分format 0和format 1A的标识(Flag for format0/format1A differentiation)中的至少一种。
- 根据权利要求12至16任一所述的方法,其特征在于,所述方法还包括:所述网络设备在发送的所述MBMS对应的配置信息所在子帧的N个子帧后,执行所述网络设备根据所述第二小区的配置信息,在所述第二小区中发送所述MBMS的业务信道MTCH的步骤;其中,N为大于等于0的数值。
- 根据权利要求12至17任一所述的方法,其特征在于,所述第二小区的配置信息中包括:所述第二小区的小区标识,在所述n个小区的配置信息中,所述第二小区的小区标识是所述第二小区的物理小区标识或者是所述第二小区的物理小区标识和所述第二小区的小区编号;在所述MBMS对应的配置信息中,所述第二小区的小区标识是所述第二小区的小区编号和所述第二小区的小区索引;其中,所述第二小区的小区编号是所述第二小区在所述n个小区的配置信息中的顺序编号,所述第二小区的小区索引是所述第二小区在所述MBMS对应的配置信息中的顺序编号。
- 根据权利要求12至20任一所述的方法,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述方法还包括:所述网络设备接收终端设备反馈的第一指示信息,所述第一指示信息是当所述终端设备根据所述第二小区的参考信号配置信息获取到的所述第二小区的信号测量结果小于或等于所述信号门限时发送的信息,所述第一指示信息用于指示所述第二小区的信号测量结果小于或等于所述信号门限。
- 根据权利要求12至20任一所述的方法,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述方法还包括:所述网络设备接收终端设备反馈的第二指示信息,所述第二指示信息是当所述终端设备根据所述第二小区的参考信号配置信息获取到的所述第二小区的信号测量结果小于或等于所述信号门限,且获取到的所述第一小区的信号测量结果大于所述信号门限时发送的信息,所述第二指示信息用于指示所述第一小区的信号测量结果大于所述信号门限且所述第二小区的信号测量结果小于或等于所述信号门限。
- 一种多播业务接收装置,其特征在于,所述装置包括:通信单元,用于从第一小区中接收多媒体广播业务MBMS对应的配置信息,所述MBMS对应的配置信息中包括:至少一个第二小区的小区标识,所述第二小区用于和所述第一小区在同一调度时刻或不同调度时刻协同传输所述MBMS;处理单元,用于根据所述第二小区的小区标识获取所述第二小区的配置信息;所述通信单元,还用于根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH。
- 根据权利要求23所述的装置,其特征在于,所述通信单元,还用于从所述第一小区接收n个小区的配置信息,所述n个小区是支持协同传输MBMS的小区,所述第二小区是所述n个小区的子集,所述配置信息至少包括所述小区标识、频率信息和带宽信息之间的对应关系;所述处理单元,用于根据所述第二小区的小区标识,从所述n个小区的配置信息中获取所述第二小区的配置信息。
- 根据权利要求23或24所述的装置,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI;所述通信单元,还用于通过所述第一G-RNTI从所述第一小区接收调度信息,并根据所述调度信息从所述第一小区接收所述MTCH;所述通信单元,还用于根据所述第二小区的配置信息,通过所述第一G-RNTI从所述第二小区接收所述调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;或者,所述通信单元,还用于根据所述第二小区的配置信息,通过所述第一G-RNTI从所述第一小区接收所述调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求23或24所述的装置,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述MBMS对应的配置信息或者所述第二小区的配置信息中还包括:第二G-RNTI;所述通信单元,还用于通过所述第一G-RNTI从所述第一小区接收调度信息,并根据所述调度信息从所述第一小区接收所述MTCH;所述通信单元,还用于根据所述第二小区的配置信息,通过所述第二G-RNTI从所述第二小区接收调度信息,并根据所述调度信息从所述第二小区接收所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求26所述的装置,其特征在于,所述第一小区使用授权载波,所述第二小区使用授权载波或非授权载波。
- 根据权利要求25所述的装置,其特征在于,所述通信单元,还用于通过所述第一G-RNTI从所述第一小区接收下行控制信息DCI;所述处理单元,还用于对所述DCI中的预定字段进行解析,获取所述第二小区的小区标识;所述处理单元,还用于根据所述第二小区的小区标识,确定被调度的所述第二小区的配置信息;所述通信单元,还用于根据所述第二小区的配置信息,从所述第二小区接收所述MTCH。
- 根据权利要求28所述的装置,其特征在于,所述预定字段是:混合自动重传请求进程号(Hybrid Automatic Repeat Request process number,HARQ process number)、新数据指示(New data indicator,NDI)、冗余版本(Redundancy version,RV)、用于物理上行控制信道(Physical Uplink Control Channel,PUCCH)的传输功率控制(Transmission Power Control,TPC)命令(TPC command for PUCCH),以及用于区分format 0和format 1A的标识(Flag for format0/format1A differentiation)中的至少一种。
- 根据权利要求23至27任一所述的装置,其特征在于,所述通信单元,还用于在接收到的所述MBMS对应的配置信息所在子帧的N个子帧之后,根据所述第二小区的配置信息,从所述第二小区接收所述MBMS的业务信道MTCH;其中,N为大于等于0的数值。
- 根据权利要求23至28任一所述的装置,其特征在于,所述第二小区的配置信息中包括:所述第二小区的小区标识,在所述n个小区的配置信息中,所述第二小区的小区标识是所述第二小区的物理小区标识或者是所述第二小区的物理小区标识和所述第二小区的小区编号;在所述MBMS对应的配置信息中,所述第二小区的小区标识是所述第二小 区的小区编号和所述第二小区的小区索引;其中,所述第二小区的小区编号是所述第二小区在所述n个小区的配置信息中的顺序编号,所述第二小区的小区索引是所述第二小区在所述MBMS对应的配置信息中的顺序编号。
- 根据权利要求23至31任一所述的装置,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息所述处理单元,还用于根据所述第二小区的参考信号配置信息获取所述第二小区的信号测量结果;所述通信单元,还用于当所述第二小区的信号测量结果小于或等于所述信号门限时,向网络设备反馈第一指示信息,所述第一指示信息用于向所述网络设备指示所述第二小区的信号测量结果小于或等于所述信号门限。
- 根据权利要求23至31任一所述的装置,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述处理单元,还用于根据所述第二小区的参考信号配置信息获取所述第二小区的信号测量结果;所述处理单元,还用于获取所述第一小区的信号测量结果;所述通信单元,还用于当所述第二小区的信号测量结果小于或等于所述信号门限,且所述第一小区的信号测量结果大于所述信号门限时,向所述网络设备反馈第二指示信息,所述第二指示信息用于向所述网络设备指示所述第一小区的信号测量结果大于所述信号门限且所述第二小区的信号测量结果小于或等于所述信号门限。
- 一种多播业务发送装置,其特征在于,所述装置包括:通信单元,用于在第一小区中发送多媒体广播业务MBMS对应的配置信息,所述MBMS对应的配置信息中包括:至少一个第二小区的小区标识,所述第二小区用于和所述第一小区在同一调度时刻或不同调度时刻协同传输所述MBMS;所述通信单元,还用于根据所述第二小区的配置信息,在所述第二小区中 发送所述MBMS的业务信道MTCH。
- 根据权利要求34所述的装置,其特征在于,所述通信单元,还用于在所述第一小区中发送n个小区的配置信息,所述n个小区是支持协同传输MBMS的小区,所述第二小区是所述n个小区的子集,所述配置信息至少包括所述小区标识、频率信息和带宽信息之间的对应关系。
- 根据权利要求34或35所述的装置,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述通信单元,还用于通过所述第一G-RNTI在所述第一小区中发送调度信息,并根据所述调度信息在所述第一小区中发送所述MTCH;所述通信单元,还用于根据所述第二小区的配置信息,通过所述第一G-RNTI在所述第二小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;或者,所述通信单元,还用于根据所述第二小区的配置信息,通过所述第一G-RNTI在所述第一小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求34或35所述的装置,其特征在于,所述MBMS对应的配置信息中还包括:第一群组无线网络临时标识G-RNTI,所述MBMS对应的配置信息或者所述第二小区的配置信息中还包括:第二G-RNTI;所述通信单元,还用于通过所述第一G-RNTI在所述第一小区中发送调度信息,并根据所述调度信息在所述第一小区中发送所述MTCH;所述通信单元,还用于根据所述第二小区的配置信息,通过所述第二G-RNTI在所述第二小区中发送所述调度信息,并根据所述调度信息在所述第二小区中发送所述MTCH;其中,所述调度信息用于指示所述MTCH所占用的时频资源位置。
- 根据权利要求37所述的装置,其特征在于,所述第一小区使用授权载波,所述第二小区使用授权载波或非授权载波。
- 根据权利要求36所述的装置,其特征在于,所述通信单元,还用于通过所述第一G-RNTI在所述第一小区中发送下行控制信息DCI,所述DCI中的预定字段中携带有调度的所述第二小区的小区标识;所述通信单元,还用于根据所述第二小区的配置信息,在所述第二小区中发送所述MTCH。
- 根据权利要求39所述的装置,其特征在于,所述预定字段是:混合自动重传请求进程号(Hybrid Automatic Repeat Request process number,HARQ process number)、新数据指示(New data indicator,NDI)、冗余版本(Redundancy version,RV)、用于物理上行控制信道(Physical Uplink Control Channel,PUCCH)的传输功率控制(Transmission Power Control,TPC)命令(TPC command for PUCCH),以及用于区分format 0和format 1A的标识(Flag for format0/format1A differentiation)中的至少一种。
- 根据权利要求34至38任一所述的装置,其特征在于,所述通信单元,还用于在发送的所述MBMS对应的配置信息所在子帧的N个子帧后,根据所述第二小区的配置信息,在所述第二小区中发送所述MBMS的业务信道MTCH;其中,N为大于等于0的数值。
- 根据权利要求34至39任一所述的装置,其特征在于,所述第二小区的配置信息中包括:所述第二小区的小区标识,在所述n个小区的配置信息中,所述第二小区的小区标识是所述第二小区的物理小区标识或者是所述第二小区的物理小区标识和所述第二小区的小区编号;在所述MBMS对应的配置信息中,所述第二小区的小区标识是所述第二小区的小区编号和所述第二小区的小区索引;其中,所述第二小区的小区编号是所述第二小区所述n个小区的配置信息中的顺序编号,所述第二小区的小区索引是所述第二小区在所述MBMS对应的配置信息中的顺序编号。
- 根据权利要求34至42任一所述的装置,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述通信单元,还用于接收所述终端设备反馈的第一指示信息,所述第一指示信息是当所述终端设备根据所述第二小区的参考信号配置信息获取到的所述第二小区的信号测量结果小于或等于所述信号门限时发送的信息,所述第一指示信息用于指示所述第二小区的信号测量结果小于或等于所述信号门限。
- 根据权利要求34至42任一所述的装置,其特征在于,所述第二小区的配置信息中还包括:信号门限和所述第二小区的参考信号配置信息,所述参考信号配置信息是发现参考信号DRS和/或公共参考信号CRS的配置信息,所述通信单元,还用于接收所述终端设备反馈的第二指示信息,所述第二指示信息是当所述终端设备根据所述第二小区的参考信号配置信息获取到的所述第二小区的信号测量结果小于或等于所述信号门限,且获取到的所述第一小区的信号测量结果大于所述信号门限时发送的信息,所述第二指示信息用于指示所述第一小区的信号测量结果大于所述信号门限且所述第二小区的信号测量结果小于或等于所述信号门限。
- 一种多播业务收发系统,其特征在于,所述系统包括:终端设备和网络设备;所述终端设备包括如权利要求23至33任一所述的多播业务接收装置;所述网络设备包括如权利要求34至44任一所述的多播业务发送装置。
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