CN108307321A - MBMS data transmission method, donor base station, relay node and system - Google Patents
MBMS data transmission method, donor base station, relay node and system Download PDFInfo
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- CN108307321A CN108307321A CN201610790271.0A CN201610790271A CN108307321A CN 108307321 A CN108307321 A CN 108307321A CN 201610790271 A CN201610790271 A CN 201610790271A CN 108307321 A CN108307321 A CN 108307321A
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- radio resource
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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
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
MBMS data transmission method, donor base station, relay node and system provided by the invention.Wherein, this method includes：By establishing MBMS Control Channel on the control plane Un C of the interface between donor base station DeNB and relay node RN；MBMS carryings and MBMS business channel are established on the user plane Un U of interface between DeNB and RN；The MBMS data in MBMS carryings that DeNB receiving multimedia broadcast multicast service gateway MBMS GW are sent；Pass through the control information of MBMS Control Channel broadcasting MBMS data；Pass through the MBMS data in MBMS business channels broadcast MBMS carryings.MBMS data transmission method, donor base station, relay node and system provided by the invention pass through the control information in MBMS Control Channel broadcasting MBMS data；By MBMS business channels broadcast MBMS data, to realize transmission of the MBMS data between DeNB and RN in 3GPP agreement frameworks.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of MBMS data transmission method, donor base station, relay nodes
And system.
Background technology
For solve to arrange net cost and covering problem, standardization body begin one's study by relay node (Relay Node,
Abbreviation RN) it is introduced into cellular system, to increase network coverage.In third generation partner program (3rd Generation
Partnership Project, abbreviation 3GPP) in agreement framework, including mobile management nodes (Mobility Management
Entity, abbreviation MME), gateway (Serving-GateWay, abbreviation S-GW), evolved base station (evolved Node B,
Abbreviation eNB) and relay node (Relay Node, abbreviation RN).
Specifically, after the cell that RN is linked into donor base station (Doner eNB, abbreviation DeNB) control, DeNB conducts
The S1/X2 of RN is acted on behalf of, so that it may S1/X2 information is forwarded between RN and related network elements to realize, to realize RN and related network elements
Between data transmission.
But in existing 3GPP agreements framework, DeNB can not be by multimedia broadcast multi-broadcasting business (Multimedia
Broadcast Multicast Service, abbreviation MBMS) data transmission is to relay node RN, therefore, existing 3GPP agreements
Framework cannot achieve transmission of the MBMS data between DeNB and RN.
Invention content
A kind of MBMS data transmission method of present invention offer, donor base station, relay node and system, to realize 3GPP agreements
Transmission of the MBMS data between DeNB and RN in framework.
The present invention provides a kind of MBMS data transmission method, including：
MBMS Control Channel is established on the control plane Un-C of interface between relay node RN；
MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between the RN；
The MBMS data that receiving multimedia broadcast multicast service gateway MBMS GW are sent；
The control information of the MBMS data is broadcasted by the MBMS Control Channel；
Pass through the MBMS data in MBMS carryings described in the MBMS business channels broadcast.
In an embodiment of the present invention, it is established before MBMS Control Channel on the Un-C between RN, further includes：
Receive the session initiation request that multiple cell multicast coordination entity MCE is sent, the session initiation request
For asking to send the MBMS data in the MBMS carryings to donor base station DeNB；
According to the cell ID ID in the session initiation request, determine that the cell ID ID controls for the RN
Cell.
In an embodiment of the present invention, the control that the MBMS data is broadcasted by the MBMS Control Channel is believed
Breath, including：
Determine that the radio resource allocation mode of the MBMS Control Channel, the radio resource allocation mode include static state side
Formula or dynamical fashion；
It is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode；
The control information of the MBMS data is broadcasted by the radio resource of the distribution.
In an embodiment of the present invention, the radio resource allocation mode is static mode；
Described is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode, including：
According to the static mode, time-domain resource, frequency domain resource and modulation and coding are distributed for the MBMS Control Channel
Tactful MCS.
In an embodiment of the present invention, the radio resource allocation mode is dynamical fashion；
Described is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode, including：
According to the dynamical fashion, time-domain resource is distributed for the MBMS Control Channel.
In an embodiment of the present invention, described by described in MBMS carryings described in the MBMS business channels broadcast
MBMS data, including：
Determine that the radio resource allocation mode of the MBMS business channel, the radio resource allocation mode include static state side
Formula or dynamical fashion；
It is the MBMS business channel distribution radio resource according to the radio resource allocation mode；
The MBMS data in the MBMS carryings is broadcasted by the radio resource of the distribution.
In an embodiment of the present invention, the radio resource allocation mode is static mode；
Described is the MBMS business channel distribution radio resource according to the radio resource allocation mode, including：
It is the MBMS business channel distribution time-domain resource, frequency domain resource and modulation and coding according to the static mode
Tactful MCS.
In an embodiment of the present invention, the radio resource allocation mode is dynamical fashion；
Described is the MBMS business channel distribution radio resource according to the radio resource allocation mode, including：
It is the MBMS business channel distribution time-domain resource according to the dynamical fashion.
The present invention provides a kind of institute's media broadcast multicast service MBMS data transmission method, including：
MBMS Control Channel is established on the control plane Un-C of interface between donor base station DeNB；
MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between the DeNB；
The control information of the MBMS data of the DeNB broadcast is received by the MBMS Control Channel；
According to the control information, in the MBMS carryings that the DeNB broadcast is received by the MBMS business channel
The MBMS data.
The present invention provides a kind of donor base station DeNB, which is characterized in that including：Module is established, is used for and relay node RN
Between interface control plane Un-C on establish MBMS Control Channel；
It is described to establish module, it is additionally operable to establish MBMS carryings and MBMS on the user plane Un-U of the interface between the RN
Traffic Channel；
Receiving module is used in the MBMS carryings that receiving multimedia broadcast multicast service gateway MBMS GW are sent
MBMS data；
Sending module, the control information for broadcasting the MBMS data by the MBMS Control Channel；
The sending module is additionally operable to through the MBMS numbers in MBMS carryings described in the MBMS business channels broadcast
According to.
In an embodiment of the present invention, further include confirmation module,
The receiving module is additionally operable to receive the session initiation request that MCE is sent, and the message is for asking
MBMS data is sent to the DeNB；
The confirmation module, for according to the cell ID ID in the session initiation request, determining the cell
Identify the cell that ID is RN controls.
In an embodiment of the present invention, the sending module is specifically used for determining the wireless money of the MBMS Control Channel
The source method of salary distribution, the radio resource allocation mode include static mode or dynamical fashion；
The sending module is specifically used for, according to the radio resource allocation mode, distributing for the MBMS Control Channel
Radio resource；
The sending module, the control that the MBMS data is broadcasted specifically for the radio resource by the distribution are believed
Breath.
In an embodiment of the present invention, the sending module is specifically used for, according to the static mode, controlling for the MBMS
Channel distribution time-domain resource, frequency domain resource and modulation processed and coding strategy MCS.
In an embodiment of the present invention, the sending module is specifically used for, according to the dynamical fashion, controlling for the MBMS
Channel distribution time-domain resource processed.
In an embodiment of the present invention, the sending module is specifically used for determining the wireless money of the MBMS business channel
The source method of salary distribution, the radio resource allocation mode include static mode or dynamical fashion；
The sending module is specifically used for according to the radio resource allocation mode, is the MBMS business channel distribution
Radio resource；
The sending module is broadcasted described in the MBMS carryings specifically for the radio resource by the distribution
MBMS data.
In an embodiment of the present invention, the sending module is specifically used for according to the static mode, is the MBMS industry
Channel distribution of being engaged in time-domain resource, frequency domain resource and modulation and coding strategy MCS.
In an embodiment of the present invention, the sending module is specifically used for according to the dynamical fashion, is the MBMS industry
Business channel distribution time-domain resource.
The present invention provides a kind of relay node RN, including：
Module is established, MBMS Control Channel is established on the control plane Un-C of the interface between donor base station DeNB；
It is described to establish module, be additionally operable to establish on the user plane Un-U of the interface between the DeNB MBMS carryings and
MBMS business channel；
Receiving module is believed for receiving the control of MBMS data of the DeNB broadcast by the MBMS Control Channel
Breath；
The receiving module, is additionally operable to according to the control information, and the DeNB is received by the MBMS business channel
The MBMS data in the MBMS carryings of broadcast.
Any one of present invention offer a kind of multimedia broadcast multi-broadcasting business MBMS data transmission system, including above-described embodiment
The donor base station DeNB and above-described embodiment any one of them relay node RN.
MBMS data transmission method, donor base station, relay node and system provided by the invention, by donor base station
MBMS Control Channel is established on the control plane Un-C of interface between DeNB and relay node RN；Interface between DeNB and RN
User plane Un-U on establish MBMS carrying and MBMS business channel；DeNB receiving multimedia broadcast multicast service gateways MBMS
The MBMS data in MBMS carryings that GW is sent；Pass through the control information of MBMS Control Channel broadcasting MBMS data；Pass through
MBMS business channels broadcast MBMS data.MBMS data transmission method provided by the invention, donor base station, relay node and it is
System, passes through the control information in MBMS Control Channel broadcasting MBMS data；By MBMS business channels broadcast MBMS data, thus
Realize transmission of the MBMS data between DeNB and RN in 3GPP agreement frameworks.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of E-UTRAN composition and interface；
Fig. 2 is the flow diagram of MBMS data transmission embodiment of the method one of the present invention；
Fig. 3 is that the user plane of MBMS data transmission method Un interfaces of the present invention increases structural schematic diagram newly；
Fig. 4 is that the control plane of MBMS data transmission method Un interfaces of the present invention increases structural schematic diagram newly；
Fig. 5 is the flow diagram of MBMS data transmission embodiment of the method two of the present invention；
Fig. 6 is the flow diagram of MBMS data transmission embodiment of the method three of the present invention；
Fig. 7 is the structural schematic diagram of DeNB embodiments one of the present invention；
Fig. 8 is the structural schematic diagram of DeNB embodiments two of the present invention；
Fig. 9 is the structural schematic diagram of RN embodiments one of the present invention；
Figure 10 is the structural schematic diagram of MBMS data transmission system embodiment one of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production
Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for this
The intrinsic other steps of processes, method, product or equipment or unit a bit.
Technical scheme of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and same or analogous concept or process may be repeated no more in some embodiments.
Fig. 1 is universal land radio access web (the Evolved Universal Terrestrial Radio of evolution
Access Network, referred to as：E-UTRAN) the structural schematic diagram of composition and interface.As shown in Figure 1, mobile management nodes
(Mobility Management Entity, abbreviation MME) and multiple cell multicast coordination entity (Multi-Cell/Multicast
Coordination Entity, referred to as：MCE it is connected by M3 interfaces between), MCE and donor base station (Doner eNB, abbreviation
DeNB it is connected by M2 interfaces between), and multimedia broadcast multi-broadcasting business gateway (MBMS Gateway, referred to as：MBMS GW) with
It is connected by M1 interfaces between DeNB.The configuration information of MBMS data is sent to DeNB by MBMS GW by M3 and M2 interfaces, and
MBMS data is sent to DeNB by M1 interfaces, to complete MBMS data from MBMS GW to the transmission between DeNB.Alms giver
Interface Un between base station DeNB and relay node RN includes control plane Un-C and user plane Un-U, DeNB and relay node
It is communicated by Un-C and Un-U between (Relay Node, abbreviation RN).Wherein, Un-C is used for transmission user data, Un-C
It is used for transmission the configuration information of Un-C.In current 3GPP agreements, by 3GPP R13 agreements, the interface between DeNB and RN is only
The transmission of the MBMS business sent with MBMS carryings is not supported in the transmission for supporting non-MBMS data business.
Fig. 2 is the flow diagram of multimedia broadcast multi-broadcasting business MBMS data transmission embodiment of the method one of the present invention, should
Method can be executed by donor base station DeNB.As shown in Figure 1, the multimedia broadcast multi-broadcasting business MBMS data transmission method can be with
Including：
S201：MBMS Control Channel is established on the control plane Un-C of interface between relay node RN.
In 3GPP agreement frameworks, DeNB needs first before by MBMS data transmission to RN between DeNB and RN
MBMS Control Channel is established on Un-C.So that the control information of MBMS data is sent to RN by DeNB by MBMS Control Channel.
Optionally, at most there are one MBMS Control Channels for a cell of DeNB.MBMS Control Channel using UM patterns without
(Radio Link Control are referred to as link-layer control protocol：MBMS Control Channel is mapped to downlink and shared by RLC) entity
Channel (Downlink share channel, referred to as：DL-SCH on), and DL-SCH is further mapped to physical down and is shared
Channel (Physical Downlink Shared Channel, referred to as：PDSCH on).
S202：MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between RN.MBMS is carried
It is corresponded with MBMS business channel.
Likewise, in 3GPP agreement frameworks, DeNB is before by MBMS data transmission to RN, between DeNB and RN
MBMS carryings and MBMS business channel are established on Un-U.So that DeNB receives the MBMS data in MBMS carryings by MBMS GW,
And the MBMS data in the carrying is sent to RN by MBMS business channel.
Specifically, MBMS carries the data for carrying MBMS.DeNB is each MBMS carryings distribution UM moulds on Un-U
Formula RLC entities, and be each MBMS carrying one MBMS business channel of distribution.So that DeNB passes through the MBMS data carried
MBMS business channel is broadcasted.
Optionally, MBMS business channel uses UM pattern RLC entities, and multiple MBMS business channels are with frequency division or time division multiplexing
Mode is mapped on the same DL-SCH, and further DL-SCH is mapped on PDSCH.Wherein, MBMS business channel and
MBMS Control Channel is mapped on different DL-SCH.
S203：The MBMS data in the MBMS carryings that receiving multimedia broadcast multicast service gateway MBMS GW are sent.
After MBMS Control Channel and MBMS business channel are established, DeNB can pass through M1 interface MBMS GW
MBMS data in the MBMS carryings of transmission.
S204：Pass through the control information of MBMS Control Channel broadcasting MBMS data.
DeNB sends the control information of MBMS data by the MBMS Control Channel that S201 is established.
Optionally, the control information of MBMS data is the configuration information of MBMS business channel, the configuration of MBMS business channel
Information is generated by the RRC entities of DeNB.
S205：Pass through the MBMS data in MBMS business channels broadcast MBMS carryings.
DeNB sends the MBMS data in MBMS carryings by the MBMS business channel that S202 is established.
MBMS data transmission method provided in this embodiment, interface between donor base station DeNB and relay node RN
MBMS Control Channel is established on control plane Un-C；Established on the user plane Un-U of interface between DeNB and RN MBMS carrying and
MBMS business channel；The MBMS data in MBMS carryings that DeNB receiving multimedia broadcast multicast service gateway MBMS GW are sent；
Pass through the control information of MBMS Control Channel broadcasting MBMS data；Pass through MBMS business channels broadcast MBMS data.The present embodiment
The MBMS data transmission method of offer passes through the control information in MBMS Control Channel broadcasting MBMS data；Pass through MBMS business
MBMS data in channels broadcast MBMS carryings, to realize biography of the MBMS data between DeNB and RN in 3GPP agreement frameworks
It is defeated.
For example, on the basis of the various embodiments described above, Fig. 3 is the user plane of MBMS data transmission method Un interfaces of the present invention
Newly-increased structural schematic diagram.As shown in figure 3, DeNB carries the MBMS data received from MBMS GW by MBMS carryings,
Rlc layer is the RLC entities of MBMS carrying distribution UM patterns, the processing such as is segmented, is merged to MBMS data in rlc layer.Then
RLC PDU (the Protocol Data Unit that the RLC entity handles of UM patterns by MBMS carryings are obtained：Protocol data
Unit) it is mapped to MBMS business channel, and the further processing mapping by the RLC PDU on MBMS business channel Jing Guo MAC layer
To DL-SCH.The processing of MAC layer includes the multiplexing etc. of MBMS business channel.Finally by the TB (Transport on DL-SCH
Block：Transmission block) carry out L1 channel coding and modulation after be mapped to PDSCH and be transmitted.Wherein, a cell can have
The PDSCH of multiple bearing MBMS service channels.Optionally, multiple MBMS business channels can be with frequency division multiplexing or time-multiplexed
Mode is multiplexed the same DL-SCH and PDSCH, to improve the level of resources utilization.
Fig. 4 is that the control plane of MBMS data transmission method Un interfaces of the present invention increases structural schematic diagram newly.As shown in figure 4,
DeNB distributes the RLC entities of UM patterns in the control information that rlc layer is MBMS data.Optionally, the control information of MBMS data
For the configuration information of MBMS business channel, the configuration information of MBMS business channel by DeNB wireless heterogeneous networks (Radio
Resource Control, referred to as：RRC) entity generates.Then the UM pattern RLC entities of the control information of MBMS data are given birth to
At RLC PDU be mapped to MBMS Control Channel, and further by places of the RLC PDU Jing Guo MAC layer in MBMS Control Channel
Reason is mapped to DL-SCH.PDSCH finally will be mapped to after the channel coding of L1 layers of TB progress on DL-SCH and modulation to pass
It is defeated.Wherein, each cell includes up to a MBMS Control Channel.
Further, in the above embodiments, further include before S201：The session initiation request that MCE is sent is received to disappear
Breath, the message is for asking to send the MBMS data in the MBMS carryings to DeNB.According in the conversation request message
Cell ID ID, determine the cell ID ID be RN control cell.
Specifically, after DeNB receives the session initiation request that MCE is sent, according in the session initiation request
Cell ID ID, if cell ID ID be RN control cell, DeNB is in Un interfaces according to RN sub-frame configurations to needs
Admission control is carried out by the MBMS business that DeNB is sent to RN.Wherein, DL subframe number determines DeNB in RN sub-frame configurations
It can be by Un interfaces to total rate of the RN business transmitted.It can be by Un interfaces to the total of the RN business transmitted according to DeNB
Rate and DeNB are determined whether by Un interfaces to the difference of the service rate of RN will be current by Un interfaces
MBMS is transmitted to RN by Un interfaces.It is alternatively possible to deduct the business for being transferred to RN by Un interfaces from total rate
The sum of rate obtains remaining total rate.If the total rate of the residue is more than the rate for the MBMS business being currently accessed, it is determined that can be with
By Un interfaces by current MBMS business relay transmission to RN；Otherwise Un interfaces can not be by current MBMS business relay transmission
To RN.After access success, session initiation request to MCE, is sent out the successful message feedback of access by DeNB by RRC signaling
Corresponding RN is given, and establishes M1 with MBMS GW and connect, the MBMS indicated in session initiation request is received from MBMS GW
Business datum.
Further, in the above-described embodiments, S204 includes：Determine the radio resource allocation mode of MBMS Control Channel,
And it is MBMS Control Channel distributing radio resource according to the radio resource allocation mode.Wherein, radio resource allocation mode includes
Static mode and dynamical fashion.And the control information of the radio resource broadcasting MBMS data by the distribution.Wherein, MBMS data
Control information can be MBMS business channel configuration information.
Wherein, when DeNB receives session initiation request, if rrc layer finds to establish MBMS controls in cell not yet
When channel processed, then MBMS Control Channel is created in the control plane of the Un interfaces of the cell, newly-built MBMS Control Channel uses UM
The RLC entities of pattern, and configure MAC layer.Rrc layer determines the radio resource allocation mode of MBMS Control Channel, including static state side
Formula and dynamical fashion, and indicate that MAC layer is provided according to the radio resource allocation mode of the determination for MBMS Control Channel distribution is wireless
Source.The MBMS Control Channel information of radio resource allocation that rrc layer reports MAC layer notifies RN by RRC signaling, and is allocated to
L1。
When DeNB receives session initiation request, if rrc layer finds to have built up MBMS Control Channel in cell
When, then redistribute radio resource to MBMS Control Channel.Specifically, indicate that MAC layer is MBMS Control Channel weight by rrc layer
New distributing radio resource.MAC layer is to indicate MBMS Control Channel to rrc layer after MBMS Control Channel redistributes radio resource
Information of radio resource allocation.Rrc layer leads to the MBMS Control Channel information of radio resource allocation that MAC layer reports by RRC signaling
Know RN, and is allocated to L1 layers.
Optionally, DeNB be MBMS Control Channel distributing radio resource after, by all or part of MBMS Control Channel resource
It distributes information and RN is notified by RRC signaling, and in the case where distributing resource to MBMS Control Channel in a dynamic fashion, it will be remaining
Relaying-Physical Downlink Control Channel (Relay-Physical Downlink that resource allocation information passes through dynamic dispatching
Control Channel, referred to as：R-PDCCH) it is sent to RN.
Optionally, due to the configuration information of MBMS Control Channel bearing MBMS service channel, with the MBMS business number of channel
Purpose increases, and the radio resource of MBMS Control Channel may be not enough.Therefore, whenever DeNB receives session initiation request
When, it is required for distributing or redistributing radio resource for MBMS Control Channel.
Further, when the radio resource allocation mode of MBMS Control Channel is static mode, MAC layer controls for MBMS
Channel distribution redistributes time-domain resource, frequency domain resource and MCS etc., and by the MBMS Control Channel information of radio resource allocation
Report rrc layer.
When the radio resource allocation mode of MBMS Control Channel is dynamical fashion, MAC layer is distributed for MBMS Control Channel
Or time-domain resource is redistributed, and the MBMS Control Channel information of radio resource allocation is reported into rrc layer.
DeNB includes according to the control information for the radio resource broadcasting MBMS data distributed for MBMS Control Channel：Rrc layer
The control information of MBMS data is sent to the UM pattern RLC entities of rlc layer, RLC PDU are generated by the processing of RLC entities, it should
PDU is transferred to MAC layer by MBMS Control Channel, and the processing by MAC layer is mapped to the corresponding DL-SCH of MBMS Control Channel
On, and L1 is issued to by DL-SCH.L1 carries out Channel Coding and Modulation to the transmission block on DL-SCH, is mapped to MBMS controls
On the corresponding PDSCH of channel, each RN is broadcast to by PDSCH.
Wherein, when the radio resource allocation mode of MBMS Control Channel is static mode, L1 layers issue according to rrc layer
Transmission block on MCS DL-SCH corresponding to MBMS Control Channel in the information of radio resource allocation of MBMS Control Channel carries out
Channel Coding and Modulation, according in the configuration information time domain and frequency domain resource distribute information in corresponding time domain and frequency domain resource
The corresponding PDSCH of upper transmission MBMS Control Channel.
When the radio resource allocation mode of MBMS Control Channel is dynamical fashion, MAC layer is given in a manner of dynamic dispatching
MBMS Control Channel distributes frequency domain resource and MCS, and the scheduling information is issued to L1.L1 is in MBMS Control Channel radio resource
It distributes in the subframe that MBMS Control Channel time-domain resource indicates in information configuration, by relaying MBMS Control Channel-wireless network
(Relay MBMS control Channel-Radio-Network Tempory Identity are referred to as temporary identifier：RMCCH-
RNTI) scheduling information is sent to RN by scrambled R-PDCCH, and is referred to by the scheduling information on R-PDCCH in same subframe
The frequency domain resource and MCS shown send the corresponding PDSCH of R-MCCH.
Preferably, fixed value can be distributed for RMCCH-RNTI from agreement.
Further, in the above-described embodiments, S205 includes：Determine the radio resource allocation mode of MBMS business channel,
And it is MBMS business channel distribution radio resource according to the radio resource allocation mode.Wherein, radio resource allocation mode includes
Static mode and dynamical fashion.And the MBMS data in the MBMS carryings is broadcasted by the radio resource of the distribution.
Wherein, when DeNB receives session initiation request, rrc layer is that MBMS business creates MBMS carryings and MBMS business
Channel, MBMS carryings use the RLC entities of UM patterns.And it is MBMS carryings and MBMS business channel configuration MAC layer.Rrc layer
It determines the radio resource allocation mode of MBMS business channel, including static mode and dynamical fashion, and indicates MAC layer according to the nothing
Line resource distribution mode is MBMS business channel distribution radio resource.The MBMA traffic channel types that rrc layer reports MAC layer
The information of radio resource allocation of DL-SCH notifies RN by MBMS Control Channel, and is allocated to L1.
Optionally, DeNB be MBMS business channel distribution radio resource after, by the money of all or part of MBMS business channel
Source distributes information and is sent to RN by MBMS Control Channel, and in MBMS Control Channel bearing part MBMS business channel resource point
In the case of with information, surplus resources distribution information is sent to RN by the R-PDCCH of dynamic dispatching.
Further, when rrc layer determines that the radio resource allocation mode of MBMS business channel is static mode, MAC layer
MBMS business channel is mapped on the DL-SCH using static resource allocation mode.Determine the MBMS business channel with other
Multiplexing relationship through being mapped between the MBMS business channel on the DL-SCH distributes time-domain resource, frequency for the DL-SCH again
Domain resource and MCS redefine each occupied time-domain resource of MBMS business channel on the DL-SCH.By the nothing of the DL-SCH
Line resource allocation information reports rrc layer.The information includes：Time-domain resource, frequency domain resource and the MCS and DL-SCH of DL-SCH
The time-domain resource that upper each MBMS business channel occupies on DL-SCH.
When rrc layer determines that the radio resource allocation mode of MBMS business channel is dynamical fashion, MAC layer is by MBMS business
Channel is mapped on the DL-SCH using dynamic resource allocation mode.Determine that the MBMS business channel has been mapped into this with other
The multiplexing relationship between MBMS business channel on DL-SCH distributes time-domain resource for the DL-SCH again, redefines the DL-
The upper each occupied time-domain resources of MBMS business channel of SCH.The information of radio resource allocation of the DL-SCH is reported into rrc layer.
The information includes：The time domain money that each MBMS business channel occupies on DL-SCH in the time-domain resource and DL-SCH of DL-SCH
Source.
DeNB by including for the radio resource broadcasting MBMS data of MBMS business channel distribution：MAC layer is true according to rrc layer
The resource distribution mode of the DL-SCH of fixed each MBMS business channel type, to the RLC PDU on each MBMS business channel
It is scheduled, generates the transmission block on DL-SCH.Transmission block on DL-SCH passes through Channel Coding and Modulation, is mapped to corresponding
On PDSCH, each RN is broadcast to by PDSCH.
Wherein, when the radio resource allocation mode of MBMS business channel is static mode, rrc layer believes the MBMS business
The information of radio resource allocation of the DL-SCH in road is allocated to L1, and MAC layer is according to the radio resource allocation mode of the DL-SCH to each
The RLC PDU of a MBMS business channel are scheduled, and are generated MAC PDU, are sent to DL-SCH.L1 is according to the wireless of the DL-SCH
MCS in resource allocation information carries out Channel Coding and Modulation, then according to the nothing of the DL-SCH to the transmission block on DL-SCH
Line resource allocation information sends PDSCH in corresponding time domain and frequency domain resource.
When the radio resource allocation mode of MBMS business channel is dynamical fashion, MAC layer is in a manner of dynamic dispatching
The DL-SCH distribution frequency domain resources and MCS of MBMS business channel, and the scheduling information is issued to L1.L1 is in MBMS business channel
DL-SCH information of radio resource allocation in, DL-SCH time-domain resources instruction subframe in, pass through the scrambled R- of RMTCH-RNTI
The scheduling information is sent to RN by PDCCH, and the frequency domain resource that is indicated by the scheduling information on R-PDCCH in same subframe and
MCS sends the corresponding PDSCH of R-MTCH.
Preferably, fixed value can be distributed for RMCCH-RNTI from agreement.
The Un interface bandwidths preferably, the DL-SCH of different MBMS business channels is time-multiplexed, DL-SCH can use identical
RMTCH-RNTI, give RMTCH-RNTI to distribute fixed value in agreement.
Fig. 5 is the flow diagram of multimedia broadcast multi-broadcasting business MBMS data transmission embodiment of the method two of the present invention, should
Method can be executed by relay node RN.As shown in figure 5, the multimedia broadcast multi-broadcasting business MBMS data transmission method can wrap
It includes：
S501：MBMS Control Channel is established on the control plane Un-C of interface between DeNB.
In 3GPP agreement frameworks, RN needs first before receiving the MBMS data that DeNB is sent between DeNB and RN
Un-C on establish MBMS Control Channel.So that the control that RN receives the MBMS data that DeNB is sent by MBMS Control Channel is believed
Breath.
Optionally, MBMS Control Channel uses UM pattern RLC entities, and MBMS Control Channel is mapped on DL-SCH, and
Further DL-SCH is mapped on PDSCH.
S502：MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between DeNB.MBMS is held
It carries and MBMS business channel corresponds.
Likewise, in 3GPP agreement frameworks, RN is before receiving the MBMS data that DeNB is sent, between DeNB and RN
Un-U on establish MBMS carrying and MBMS business channel.So that RN receives the MBMS in MBMS carryings by MBMS business channel
Data.
Specifically, MBMS carries the data for carrying MBMS.It is each MBMS carryings distribution UM patterns RLC on Un-U
Entity, and be each MBMS carrying one MBMS business channel of distribution.So that RN receives DeNB broadcast by MBMS business channel
MBMS carryings on MBMS data.
Optionally, MBMS business channel uses UM pattern RLC entities, and multiple MBMS business channels are with frequency division or time division multiplexing
Mode is mapped on the same DL-SCH, and further DL-SCH is mapped on PDSCH.Wherein, MBMS business channel and
MBMS Control Channel is mapped on different DL-SCH.
S503：The control information of the MBMS data of DeNB broadcast is received by MBMS Control Channel.
RN receives the control information of the MBMS data of DeNB broadcast by the control channel that S501 is established.
S504：According to the control information, the MBMS that DeNB broadcast is received by MBMS business channel is carried.
RN receives the MBMS data in the MBMS carryings of DeNB broadcast by the Traffic Channel that S502 is established.
MBMS data transmission method provided in this embodiment is established on the control plane Un-C of the interface between RN and DeNB
MBMS Control Channel；MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between DeNB；Pass through
MBMS Control Channel receives the control information of the MBMS data of DeNB broadcast.According to the control information, it is connect by MBMS business channel
Receive the MBMS data in the MBMS carryings of DeNB broadcast.MBMS data transmission method provided in this embodiment, RN are controlled by MBMS
Channel processed receives the control information of the MBMS data of DeNB broadcast；The MBMS carryings of DeNB broadcast are received by MBMS business channel
On MBMS data, to realize transmission of the MBMS data between DeNB and RN in 3GPP agreement frameworks.
Such as：RN monitors MBMS Control Channel, and the corresponding MBMS data of MBMS business is obtained from MBMS Control Channel
Information is controlled, such as the configuration information of MBMS business channel.To monitor MBMS business according to the configuration information of MBMS business channel
Channel extracts corresponding MBMS data according to the mapping relations of MBMS carrying and MBMS business channel from MBMS business channel.
Further, in the above-described embodiments, after RN receives the session initiation request of DeNB transmissions, RRC
Layer judges whether the control plane Un-C in Un establishes MBMS Control Channel, if not yet, in the control plane Un-C of cell Un
MBMS Control Channel is established, MBMS Control Channel uses RLC entities, and configures MAC layer.
When RN receives the MBMS Control Channel resource allocation information that DeNB is sent by RRC signaling, rrc layer is by MBMS
Control channel configuration information is allocated to L1 layers, and the L1 layers of configuration information according to MBMS Control Channel is made to begin listening for MBMS control letters
Road.
Wherein, when the configuration information of MBMS Control Channel include the time-domain resource of MBMS Control Channel, frequency domain resource and
When MCS, L1 according to these information in the subframe that time-domain resource indicates in the bandwidth that frequency domain resource indicates, according to MCS instruction
Code modulation mode receives the scrambled PDSCH of RMCCH-RNTI.
When in the configuration information of MBMS Control Channel only including the time-domain resource of MBMS Control Channel, L1 is in time-domain resource
The subframe of instruction monitors the scrambled R-PDCCH of RMCCH-RNTI.When detecting the scrambled R-PDCCH of RMCCH-RNTI, according to
The scheduling information of the upper PDSCH of R-PDCCH receives the scrambled PDSCH of RMCCH-RNTI in same subframe.L1 adds RMCCH-RNTI
The PDSCH disturbed submits to MAC layer into row decoding, by the decoding result of transmission block on PDSCH.MAC layer demultiplexes transmission block
With MAC SDU being submitted to the corresponding RLC entities of MBMS Control Channel R-MCCH, the RLC SDU that RLC entities obtain processing
Submit to rrc layer.Rrc layer parses the RLC SDU, obtains the control information of MBMS data, the control letter of MBMS data
Breath can be the DL-SCH configuration informations of MBMS business channel.
After RN receives the session initiation request of DeNB transmissions, goes back recording conversation and start MBMS in request message
The configuration informations such as the TMGI of business.TMGI(Temporay Mobile Group Identity：Temporary Mobile Group Identity) it is RN
Need the mark of MBMS business received.RN can MBMS business channel type DL-SCH configuration informations on an mbms control channel
The configuration information of the middle corresponding MBMS business channels of TMGI for inquiring the MBMS business, and confidence is matched according to MBMS business channel
Breath receives MBMS business.
Wherein, when the configuration information of MBMS business channel includes the time domain money that MBMS business channel occupies on DL-SCH
When source, frequency domain resource and MCS, L1 according to these information in the subframe that time-domain resource indicates in the bandwidth that frequency domain resource indicates,
According to the code modulation mode that MCS is indicated, the scrambled PDSCH of RMCCH-RNTI are received.
When the time-domain resource only occupied on DL-SCH including MBMS business channel in the configuration information of MBMS business channel
When, the subframe that L1 is indicated in time-domain resource monitors the scrambled R-PDCCH of RMCCH-RNTI.When detecting that RMCCH-RNTI is scrambled
When R-PDCCH, according to the scheduling information of PDSCH on R-PDCCH, the scrambled PDSCH of RMCCH-RNTI are received in same subframe.L1
PDSCH scrambled to RMCCH-RNTI submits to MAC layer into row decoding, by the decoding result of transmission block on PDSCH.MAC layer pair
Transmission block is demultiplexed, and MAC SDU are submitted to the corresponding RLC entities of R-MCCH, the RLC that RLC entities obtain processing
SDU submits to high level.
On the basis of the various embodiments described above, further, the present invention also provides another MBMS data transmission sides
Method referring to Fig. 6.Fig. 6 is that the flow of multimedia broadcast multi-broadcasting business MBMS data transmission embodiment of the method three of the present invention is illustrated
Figure, the MBMS data transmission method include：
S601, group communication system application server GCS AS send TMGI distribution requests to BroadCast MultiCast Service center BMSC
Message.
When GCS AS, which prepare to carry with MBMS, sends MBMS data, TMGI allocation request messages are sent to BMSC, it should
TMGI allocation request messages are for asking BMSC to carry distribution TMGI to MBMS.
S602, BMSC return to TMGI assignment response messages to GCS AS.
Wherein, it is MBMS carrying distribution TMGI which, which includes BMSC,.Specifically, BMSC is being received
It is MBMS carrying distribution TMGI according to request message, and the MBMS is held after the TMGI allocation request messages that GCS AS are sent
It carries corresponding TMGI to carry in TMGI assignment response messages, returns to GCS AS.
S603, GCS AS send MBMS bearing activation request messages to BMSC.
Before GCS AS carry transmission MBMS data by MBMS, GCS AS send the request of MBMS bearing activations to BMSC
Message, it is MBMS carrying distribution resources which, which is used to indicate BMSC,.
S604, BMSC send session initiation request to MBMS GW.
BMSC is after receiving the MBMS bearing activation request messages that GCS AS are sent, for MBMS carryings one stream of distribution
Mark, the traffic identifier and TMGI that the MBMS carry are used to mark MBMS carryings and the corresponding broadcast area of the carrying, and
Session initiation request is sent to MBMS GW.
S605, MBMS GW return to session initiation response message to BMSC.
MBMS GW are carried for the MBMS after receiving session initiation request and are generated MBMS bearer contexts, and
Session initiation response message is returned to BMSC, the configuration information of MBMS carryings is carried in the session initiation response message.
S606, BMSC return to MBMS bearing activation response messages to GCS AS.
BMSC returns to MBMS carryings after receiving the session initiation response message that MBMS GW are sent, to GCS AS and swashs
Response message living, the MBMS bearing activation response messages are used to indicate MBMS carryings and have activated.
S607, MBMS GW send session initiation request to mobility management entity MME.
After receiving the session initiation request that MBMS GW are sent, MME's MME disappears according to the session initiation request
Breath generates MBMS bearer contexts, and the session initiation request is sent to MCE.
It is worth noting that having no sequencing between step S605 and step S607, step S605 can be first carried out,
Step S607 can be first carried out, it is of course also possible to step S605 and step S607 are performed simultaneously, here, the embodiment of the present invention is only
It is to be illustrated for first carrying out step S605, does not represent the embodiment of the present invention and be only limitted to this.
S608, MME send session initiation request by M3 interfaces to multiple cell multicast coordination entity MCE.
S609, MCE send session initiation request by M2 interfaces to DeNB.
Wherein, MCE can pre-establish M2 interfaces between DeNB, and after M2 interfaces foundation, MCE can pass through
M2 interfaces send session initiation request to DeNB.
S610, MBMS Control Channel is established on Un-C between DeNB and RN, is established on the Un-U between DeNB and RN
MBMS business channel.
After being successfully established, DeNB sends session initiation response message by M2 interfaces to MCE.
S611, MCE send session initiation response message by M3 interfaces to MME.
MCE sends session initiation response message after receiving session initiation response message, by M3 interfaces to MME.
S612, MME send session initiation response message to MBMS GW.
MME sends session initiation response message after receiving session initiation response message, to MBMS GW.
S613, GCS AS send MBMS data to MBMS GW.
S614, MBMS GW send MBMS data by M1 interfaces to DeNB.
Wherein, MBMS GW can pre-establish M1 interfaces between DeNB, and after M1 interfaces foundation, MBMS GW are just
By M1 interfaces MBMS data can be sent to DeNB.
S615：DeNB passes through the control of MBMS Control Channel broadcasting MBMS data by M1 interface MBMS datas
Information.
S616：DeNB passes through MBMS business channels broadcast MBMS data.
S617, RN are broadcasted receiving MBMS data.Wherein, RN receives MBMS data by MBMS Control Channel
Control information, after the data that MBMS business is received by MBMS business channel, so that it may with wide in the cell that RN is controlled
Broadcast the data of the MBMS business.
MBMS data transmission method shown in the embodiment of the present invention, realization principle and advantageous effect and any of the above-described reality
It applies realization principle in example and advantageous effect is similar, no longer repeated herein.
Fig. 7 is the structural schematic diagram of DeNB embodiments one of the present invention, as shown in fig. 7, the DeNB may include：
Module 701 is established, MBMS Control Channel is established on the control plane Un-C of the interface between relay node RN；
Module 701 is established, is additionally operable to establish MBMS carryings and MBMS business on the user plane Un-U of the interface between RN
Channel；MBMS is carried and MBMS business corresponds；
Receiving module 702, the MBMS data sent for receiving multimedia broadcast multicast service gateway MBMS GW；It should
MBMS data is the MBMS data in the MBMS carryings established before；
Sending module 703, for the control information by MBMS Control Channel broadcasting MBMS data；
Sending module 703, for passing through the MBMS data in MBMS business channels broadcast MBMS carryings.
Further, in the above embodiments, DeNB can also include confirmation module 801, as shown in figure 8, Fig. 8 is this
Invent the structural schematic diagram of DeNB embodiments two.Wherein, receiving module 702 are additionally operable to receive the session initiation request that MCE is sent
Message, message send MBMS data for asking to DeNB；
Confirmation module 801, for according to the cell ID ID in session initiation request, determining that cell ID ID is RN
The cell of control.
Optionally, in the above-described embodiments, sending module 703 are specifically used for determining the radio resource of MBMS Control Channel
The method of salary distribution, radio resource allocation mode include static mode or dynamical fashion；
Sending module 703 is specifically used for according to radio resource allocation mode, is MBMS Control Channel distributing radio resource；
Sending module 703 is specifically used for the control information of the radio resource broadcasting MBMS data by distributing.
Wherein, sending module 703, are specifically used for according to static mode, and time-domain resource, frequency domain are distributed for MBMS Control Channel
Resource and modulation and coding strategy MCS.
Sending module 703, is specifically used for according to dynamical fashion, and time-domain resource is distributed for MBMS Control Channel.
Further, in the above-described embodiments, sending module 703 are specifically used for determining the wireless money of MBMS business channel
The source method of salary distribution, radio resource allocation mode include static mode or dynamical fashion；
Sending module 703 is specifically used for according to radio resource allocation mode, is MBMS business channel distribution radio resource；
Sending module 703 is specifically used for the MBMS data carried by the radio resource broadcasting MBMS distributed.
Wherein, sending module 703 are specifically used for according to static mode, are MBMS business channel distribution time-domain resource, frequency domain
Resource and modulation and coding strategy MCS.
Sending module 703 is specifically used for according to dynamical fashion, is MBMS business channel distribution time-domain resource.
DeNB shown in the embodiment of the present invention can execute technical solution shown in above method embodiment one, realize
Principle and advantageous effect are similar, are no longer repeated herein.
Fig. 9 is the structural schematic diagram of RN embodiments one of the present invention, as shown in figure 9, the RN may include：
Module 901 is established, MBMS control letters are established on the control plane Un-C of the interface between donor base station DeNB
Road；
Module 901 is established, is additionally operable to establish MBMS carryings and MBMS industry on the user plane Un-U of the interface between DeNB
Business channel；MBMS is carried and MBMS business channel corresponds；
Receiving module 902, the control information of the MBMS data for receiving DeNB broadcast by MBMS Control Channel；
Receiving module 902 is additionally operable to according to the control information, and the MBMS that DeNB broadcast is received by MBMS business channel is carried
On MBMS data.
Relay node RN shown in the embodiment of the present invention can execute technical solution shown in above method embodiment two,
Its realization principle and advantageous effect are similar, are no longer repeated herein.
Figure 10 is the structural schematic diagram of multimedia broadcast multi-broadcasting business MBMS data transmission system embodiment one in the present invention,
Shown in Figure 10, which may include：
The relay node in donor base station DeNB1001 and any of the above-described embodiment in any of the above-described embodiment
RN1002。
MBMS data transmission system shown in the embodiment of the present invention can execute skill shown in any of the above-described embodiment of the method
Art scheme, realization principle and advantageous effect are similar, are no longer repeated herein.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (19)
1. a kind of multimedia broadcast multi-broadcasting business MBMS data transmission method, which is characterized in that including：
MBMS Control Channel is established on the control plane Un-C of interface between relay node RN；
MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between the RN；
The MBMS data in the MBMS carryings that receiving multimedia broadcast multicast service gateway MBMS GW are sent；
The control information of the MBMS data is broadcasted by the MBMS Control Channel；
Pass through the MBMS data in MBMS carryings described in the MBMS business channels broadcast.
2. according to the method described in claim 1, it is characterized in that, establishing MBMS Control Channel on the Un-C between RN
Before, further include：
The session initiation request that multiple cell multicast coordination entity MCE is sent is received, the session initiation request is used for
It asks to send the MBMS data in the MBMS carryings to donor base station DeNB；
According to the cell ID ID in the session initiation request, determine that the cell ID ID is the small of RN controls
Area.
3. according to the method described in claim 1, it is characterized in that, described broadcast the MBMS by the MBMS Control Channel
The control information of data, including：
Determine the radio resource allocation mode of the MBMS Control Channel, the radio resource allocation mode include static mode or
Person's dynamical fashion；
It is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode；
The control information of the MBMS data is broadcasted by the radio resource of the distribution.
4. according to the method described in claim 3, it is characterized in that, the radio resource allocation mode is static mode；
Described is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode, including：
According to the static mode, time-domain resource, frequency domain resource and modulation and coding strategy are distributed for the MBMS Control Channel
MCS。
5. according to the method described in claim 3, it is characterized in that, the radio resource allocation mode is dynamical fashion；
Described is the MBMS Control Channel distributing radio resource according to the radio resource allocation mode, including：
According to the dynamical fashion, time-domain resource is distributed for the MBMS Control Channel.
6. according to the method described in claim 1, it is characterized in that, described pass through MBMS described in the MBMS business channels broadcast
The MBMS data in carrying, including：
Determine the radio resource allocation mode of the MBMS business channel, the radio resource allocation mode include static mode or
Person's dynamical fashion；
It is the MBMS business channel distribution radio resource according to the radio resource allocation mode；
The MBMS data in the MBMS carryings is broadcasted by the radio resource of the distribution.
7. according to the method described in claim 6, it is characterized in that, the radio resource allocation mode is static mode；
Described is the MBMS business channel distribution radio resource according to the radio resource allocation mode, including：
It is the MBMS business channel distribution time-domain resource, frequency domain resource and modulation and coding strategy according to the static mode
MCS。
8. according to the method described in claim 6, it is characterized in that, the radio resource allocation mode is dynamical fashion；
Described is the MBMS business channel distribution radio resource according to the radio resource allocation mode, including：
It is the MBMS business channel distribution time-domain resource according to the dynamical fashion.
9. a kind of multimedia broadcast multi-broadcasting business MBMS data transmission method, which is characterized in that including：
MBMS Control Channel is established on the control plane Un-C of interface between donor base station DeNB；
MBMS carryings and MBMS business channel are established on the user plane Un-U of interface between the DeNB；
The control information of the MBMS data of the DeNB broadcast is received by the MBMS Control Channel；
According to the control information, the institute in the MBMS carryings of the DeNB broadcast is received by the MBMS business channel
State MBMS data.
10. a kind of donor base station DeNB, which is characterized in that including：
Module is established, MBMS Control Channel is established on the control plane Un-C of the interface between relay node RN；
It is described to establish module, it is additionally operable to establish MBMS carryings and MBMS business on the user plane Un-U of the interface between the RN
Channel；
Receiving module, the MBMS in the MBMS carryings sent for receiving multimedia broadcast multicast service gateway MBMS GW
Data；
Sending module, the control information for broadcasting the MBMS data by the MBMS Control Channel；
The sending module is additionally operable to through the MBMS data in MBMS carryings described in the MBMS business channels broadcast.
11. DeNB according to claim 10, which is characterized in that further include confirmation module,
The receiving module is additionally operable to receive the session initiation request that MCE is sent, and the message is for asking to institute
It states DeNB and sends the MBMS data；
The confirmation module, for according to the cell ID ID in the session initiation request, determining the cell ID
ID is the cell of RN controls.
12. DeNB according to claim 10, which is characterized in that
The sending module is specifically used for determining the radio resource allocation mode of the MBMS Control Channel, the radio resource
The method of salary distribution includes static mode or dynamical fashion；
The sending module is specifically used for according to the radio resource allocation mode, wireless for MBMS Control Channel distribution
Resource；
The sending module broadcasts the control information of the MBMS data specifically for the radio resource by the distribution.
13. DeNB according to claim 12, which is characterized in that
The sending module, is specifically used for according to the static mode, and time-domain resource, frequency domain are distributed for the MBMS Control Channel
Resource and modulation and coding strategy MCS.
14. DeNB according to claim 12, which is characterized in that
The sending module, is specifically used for according to the dynamical fashion, and time-domain resource is distributed for the MBMS Control Channel.
15. DeNB according to claim 10, which is characterized in that
The sending module is specifically used for determining the radio resource allocation mode of the MBMS business channel, the radio resource
The method of salary distribution includes static mode or dynamical fashion；
The sending module is specifically used for according to the radio resource allocation mode, is that the MBMS business channel distribution is wireless
Resource；
The sending module broadcasts the MBMS numbers in the MBMS carryings specifically for the radio resource by the distribution
According to.
16. DeNB according to claim 15, which is characterized in that
The sending module is specifically used for according to the static mode, is the MBMS business channel distribution time-domain resource, frequency domain
Resource and modulation and coding strategy MCS.
17. DeNB according to claim 15, which is characterized in that
The sending module is specifically used for according to the dynamical fashion, is the MBMS business channel distribution time-domain resource.
18. a kind of relay node RN, which is characterized in that including：
Module is established, MBMS Control Channel is established on the control plane Un-C of the interface between donor base station DeNB；
It is described to establish module, it is additionally operable to establish MBMS carryings and MBMS industry on the user plane Un-U of the interface between the DeNB
Business channel；
Receiving module, the control information of the MBMS data for receiving the DeNB broadcast by the MBMS Control Channel；
The receiving module, is additionally operable to according to the control information, and receiving the DeNB by the MBMS business channel broadcasts
The MBMS carryings on the MBMS data.
19. a kind of multimedia broadcast multi-broadcasting business MBMS data transmission system, which is characterized in that including the claims 10-
The relay node RN described in donor base station DeNB and the claims 18 described in any one of 17.
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| CN113950006A (en) * | 2020-07-17 | 2022-01-18 | 维沃移动通信有限公司 | Service transmission method, terminal and network side equipment |
| CN113950006B (en) * | 2020-07-17 | 2024-01-23 | 维沃移动通信有限公司 | Service transmission method, terminal and network side equipment |
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