CN109922533A - Data transmission method, multicast coordination entity equipment, base station equipment and eMBMS system - Google Patents
Data transmission method, multicast coordination entity equipment, base station equipment and eMBMS system Download PDFInfo
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Abstract
Data transmission method provided by the invention, multicast coordination entity, base station system and eMBMS system, data transmission information is obtained by the base station side of eMBMS system, and network status messages are generated according to the data transmission information, the network status messages are sent to multicast coordination entity again, source coding rate adjustment instruction is determined according to the network status messages by the multicast coordination entity, and source coding rate adjustment instruction is sent to the user terminal, to indicate the user terminal adjustment source coding rate, to make the network state of source coding rate adjusted and eMBMS system be adapted, which thereby enhance the data transmission capabilities in eMBMS system, it is set to meet key task voice communication demand, and then improve the dispatching of eMBMS session, and it protects The voice communication experience of user is hindered.
Description
Technical field
Field of communication technology of the present invention, more specifically, being related to data transmission method, multicast coordination entity equipment, base station
Equipment and eMBMS system.
Background technique
Evolved multimedia broadcast multi-broadcasting business (eMBMS, evolved Multimedia BroadcastMulticast
It Service is proposed on 3GPP Rel-9 protocol basis using enhanced broadcast multi-broadcasting technology on an LTE network.
Radio resource allocation mode in eMBMS system, is usually applicable only to traditional broadcast television service, and be not suitable for
In key task voice communication (such as MCPTT).In eMBMS system, existing voice data transmission mode is usually to fix
Modulation coding scheme and Adaptive Modulation and Coding mode, wherein fixed modulation coding mode can not provide link circuit self-adapting transmission,
So that the available message transmission rate of eMBMS is depended on the worst user of data link quality, leads to multimedia broadcast multicast industry
Be engaged in Single Frequency Network (MBSFN, Multimedia Broadcast multicast service Single Frequency
Network) user experience of the Very Important Person in region (MA, MBSFN Area) cannot ensure；Adaptive Modulation and Coding side
Although formula can be adaptively adjusted modulation and coding strategy (MCS, Modulation and according to the channel quality of feedback
Coding Scheme), but since the radio resource allocation in eMBMS system does not have the concept of frequency division, business data transmission uses
The time division way of full bandwidth carries out, so, in the case where eating dishes without rice or wine congestion, also resulting in the biggish session of data volume cannot get
Scheduling, can not also ensure the user experience of Very Important Person.
So the data in Lai Tigao eMBMS system pass at present there is an urgent need to a kind of intelligence effective data transmission scheme
Movement Capabilities make it meet key task voice communication demand, and then improve the dispatching of eMBMS session, ensure making for user
With experience.
Summary of the invention
In view of this, the present invention provides a kind of data transmission method, multicast coordination entity equipment, base station equipment and
EMBMS system, it is poor with the data transmission capabilities for solving current eMBMS system, it is logical that key task voice cannot be met well
The technical issues of letter demand.
To achieve the above object, the invention provides the following technical scheme:
A kind of data transmission method is coordinated applied to the multicast in evolved multimedia broadcast multi-broadcasting business eMBMS system
Entity；The eMBMS system further includes the user terminal of base station side and the base station side；The described method includes:
Receive the network status messages that base station side is sent；
According to the network status messages, source coding rate adjustment instruction is determined；
Source coding rate adjustment instruction is sent to the user terminal；The source coding rate adjustment instruction
It is used to indicate the user terminal adjustment source coding rate, makes source coding rate adjusted and the eMBMS system
Network state is adapted, to improve the data transmission capabilities of the eMBMS system.
A kind of data transmission method, applied to the base station side in evolved multimedia broadcast multi-broadcasting business eMBMS system；Institute
State the user terminal that eMBMS system further includes multicast coordination entity and the base station side；The described method includes:
Obtain data transmission information；
According to the data transmission information, network status messages are generated；
The network status messages are sent to the multicast coordination entity；The network status messages are used for by described more
It broadcasts coordination entity and determines source coding rate adjustment instruction；
Receive the source coding rate adjustment instruction that the multicast coordination entity is sent；
Source coding rate adjustment instruction is sent to the user terminal；The source coding rate adjustment instruction
It is used to indicate the user terminal adjustment source coding rate, makes source coding rate adjusted and the eMBMS system
Network state is adapted, to improve the data transmission capabilities of the eMBMS system.
A kind of multicast coordination entity is applied to evolved multimedia broadcast multi-broadcasting business eMBMS system；The eMBMS system
System further includes the user terminal of base station side and the base station side；The multicast coordination entity includes:
Status message receiving unit, for receiving the network status messages of base station side transmission；
Code rate indicates determination unit, for determining source coding rate adjustment instruction according to the network status messages；
Code rate indicates transmission unit, for source coding rate adjustment instruction to be sent to the user terminal；Institute
It states source coding rate adjustment instruction and is used to indicate the user terminal adjustment source coding rate, make message sink coding adjusted
The network state of rate and the eMBMS system is adapted, to improve the data transmission capabilities of the eMBMS system.
A kind of base station system, applied to the base station side in evolved multimedia broadcast multi-broadcasting business eMBMS system；It is described
EMBMS system further includes the user terminal of multicast coordination entity and the base station side；The base station system includes:
Information acquisition unit is transmitted, for obtaining data transmission information；
Status message generation unit, for generating network status messages according to the data transmission information；
Status message transmission unit, for the network status messages to be sent to the multicast coordination entity；The net
Network status message is used to be determined source coding rate adjustment instruction by the multicast coordination entity；
Code rate indicates receiving unit, the source coding rate adjustment instruction sent for receiving the multicast coordination entity；
Code rate indicates retransmission unit, for source coding rate adjustment instruction to be sent to the user terminal；Institute
It states source coding rate adjustment instruction and is used to indicate the user terminal adjustment source coding rate, make message sink coding adjusted
The network state of rate and the eMBMS system is adapted, to improve the data transmission capabilities of the eMBMS system.
A kind of multicast coordination entity equipment, comprising: first memory and first processor；
Wherein, the first memory is for storing the first program code；
The first processor is for calling first program code stored in the first memory, before realizing
State the data transmission method.
A kind of base station system equipment, comprising: second memory and second processor；
Wherein, the second memory is for storing the second program code；
The second processor is for calling second program code stored in the second memory, to realize such as
The aforementioned data transmission method.
A kind of evolved multimedia broadcast multi-broadcasting business eMBMS system, the eMBMS system include: aforementioned described more
Coordination entity equipment is broadcast, with the aforementioned base station equipment.
It can be seen from the above technical scheme that data transmission method provided by the invention, multicast coordination entity equipment, base
In station equipment and eMBMS system, the network status messages that multicast coordination entity is sent according to base station side determine source coding rate
Adjustment instruction, and the source coding rate determined is adjusted into the user terminal that instruction is sent to base station side, instruction user is whole
End adjusts instruction adjustment source coding rate (Codec code rate) according to source coding rate, to make message sink coding adjusted
The network state of rate and the eMBMS system is adapted, and is which thereby enhanced the data transmission capabilities in eMBMS system, is made it
Meet key task voice communication demand, and then improve the dispatching of eMBMS session, and then has ensured that user's uses body
It tests.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of data transmission method provided by the embodiments of the present application；
Fig. 2 is another flow chart of data transmission method provided by the embodiments of the present application；
Fig. 3 is a kind of flow chart of data transmission method provided by the embodiments of the present application；
Fig. 4 is another flow chart of data transmission method provided by the embodiments of the present application；
Fig. 5 is another flow chart of data transmission method provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of multimedia cooperation entity provided by the embodiments of the present application；
Fig. 7 is a kind of structural schematic diagram of base station system provided by the embodiments of the present application；
Fig. 8 is that the data of eMBMS system provided by the embodiments of the present application transmit schematic diagram.
Specific embodiment
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 description, 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.
Data transmission method, multicast coordination entity and base station system provided in an embodiment of the present invention are applied to evolved
Multimedia broadcast multi-broadcasting business eMBMS system, the eMBMS system generally include multicast coordination entity (MCE, Multi-cell/
Multicast Coordination Entity), evolved packet-based core networks (EPC, Evolved Packet Core), IP it is more
Media subsystem (IMS, IP Multimedia Subsystem), evolved base station (eNB, evolved Node B) and user
Terminal (UE, UserEquipment) etc..In technical solution provided in an embodiment of the present invention, network that MCE is sent according to the side eNB
Status message sends source coding rate adjustment instruction corresponding with the network status messages to UE, makes UE according to reception
Source coding rate adjustment instruction adjustment source coding rate (Codec code rate) arrived, to make message sink coding speed adjusted
The network state of rate and the eMBMS system is adapted, and which thereby enhances the data transmission capabilities in eMBMS system, keeps it full
Sufficient key task voice communication demand, and then the dispatching of eMBMS session is improved, ensure the usage experience of user.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of data transmission method provided by the embodiments of the present application.
Data transmission method in the present embodiment, applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Multicast coordination entity MCE；The eMBMS system further includes the user terminal UE of base station eNB side and the side eNB.
As shown in Figure 1, the data transmission method includes:
S101: the network status messages that base station side is sent are received.
In eMBMS system, base station eNB side can detect data transmission scenarios, and generate phase according to testing result
The network status messages answered, and network status messages are sent to multicast coordination entity MCE.
Network status messages are for characterizing network state, for example, being used to characterize the network overload message of network overload, being used for
Characterization network is in network underload message of low load condition etc..
S102: according to the network status messages, source coding rate adjustment instruction is determined.
Multicast coordination entity MCE is after the network status messages for receiving the transmission of base station eNB side, according to network status messages
To determine source coding rate adjustment instruction.
Optionally, there is corresponding relationship between source coding rate adjustment instruction and network status messages.
S103: source coding rate adjustment instruction is sent to the user terminal.
The source coding rate adjustment instruction is used to indicate the user terminal UE adjustment source coding rate (Codec
Code rate).It is adapted the network state of source coding rate adjusted (Codec code rate) and the eMBMS system, to improve
The data transmission capabilities of the eMBMS system.
Multicast coordination entity MCE is after determining the adjustment instruction of corresponding source coding rate, information source that will determine
Code rate adjustment instruction is sent to the user terminal UE, is used to indicate the user terminal UE adjustment source coding rate
(Codec code rate).
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Multicast coordination entity MCE, the network status messages that multicast coordination entity MCE is sent according to base station eNB side determine message sink coding
Speed adjust instruction, and the source coding rate determined is adjusted into the user terminal UE that instruction is sent to base station eNB side, refer to
Show that user terminal UE adjusts instruction adjustment source coding rate (Codec code rate) according to source coding rate, thus after making adjustment
Source coding rate and the eMBMS system network state be adapted, be equivalent to and adaptively have adjusted information source data
Data volume size which thereby enhances the data transmission capabilities in eMBMS system, it is made to meet key task voice communication demand,
The dispatching of eMBMS session is improved, and then ensures the usage experience of user.
Referring to Fig. 2, Fig. 2 is another flow chart of data transmission method provided by the embodiments of the present application.
Data transmission method in the present embodiment, applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Multicast coordination entity MCE；The eMBMS system further includes the user terminal UE of base station eNB side and the side eNB.
As shown in Fig. 2, the data transmission method includes:
S201: the network status messages that base station side is sent are received.
Wherein, network status messages include at least network over loading message and network underload message.When base station eNB side is sent
Network status messages be network over loading message when, show that current network compares congestion, interface-free resources are in short supply, voice communication be easy
Caton or even certain eMBMS sessions, which occurs, effectively to dispatch；When the network status messages that base station eNB side is sent are network
When underload message, show that current network is more unimpeded, interface-free resources are sufficient, are capable of providing more good data transport service.
Optionally, the notice of the excess load in eMBMS system (eMBMS overload can be used in network status messages
Notification) Lai Shixian, and the excess load that state is " Overload " is notified into (eMBMSoverload
Notification) it is used as network over loading message；Also, (eMBMSoverload notification) is notified to increase for excess load
Add " Underload " state, and the excess load that state is " Underload " is notified into (eMBMS overload
Notification) it is used as network underload message.
S202: when the network status messages are network overload message, determine that source coding rate adjustment is designated as letter
Source coding rate lowers instruction.
When network overload, interface-free resources are in short supply, can not ensure the transmission of multi-path voice business datum, in the case,
Multicast coordination entity MCE can determine whether that source coding rate adjustment is designated as source coding rate and lowers instruction, be used to indicate described
User terminal UE lowers source coding rate (Codec code rate), so that the data volume of information source data is reduced, to ensure information source data
Can in the case where interface-free resources are in short supply normal transmission, to improve the fluency of voice communication, while can also ensure more
The transmission of road Voice traffic data.
S203: when the network status messages are network underload message, determine that source coding rate adjustment is designated as
Source coding rate up-regulation instruction.
When network underload, interface-free resources are sufficient, and the data of larger data amount can be supported to transmit, in the case,
Source coding rate can be adjusted instruction and be determined as source coding rate up-regulation instruction by multicast coordination entity MCE, be used to indicate institute
User terminal UE up-regulation source coding rate (Codec code rate) is stated, to increase the data volume of information source data, to improve information source number
According to integrality, to promote the clarity of voice communication.
Optionally, there is corresponding relationship between network status messages and source coding rate adjustment instruction, wherein information source is compiled
It is corresponding with network overload message that bit rate lowers instruction；Source coding rate up-regulation instruction is opposite with network underload message
It answers.Corresponding relationship of the multicast coordination entity MCE based on network status messages and source coding rate adjustment instruction, according to receiving
Network status messages, determine the adjustment instruction of corresponding with the network status messages received source coding rate.
S204: the source coding rate is lowered into instruction or source coding rate up-regulation instruction is sent to the use
Family terminal.
User terminal UE, can be according to the source coding rate tune received after receiving source coding rate adjustment instruction
Whole instruction determines target information source code rate, and is carried out data transmission using target information source code rate.
Optionally, if user terminal UE receives source coding rate and lowers instruction, according to current information source code rate
Determine first object source coding rate, wherein first object source coding rate is less than current information source code rate；If user
Terminal UE receives source coding rate up-regulation instruction, then determines the second target information source coding speed according to current information source code rate
Rate, wherein the second target information source code rate is greater than current information source code rate.
Data transmission method provided by the embodiment, applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
The network over loading message or network underload that multicast coordination entity MCE, multicast coordination entity MCE are sent according to base station eNB side disappear
Breath determines that corresponding source coding rate lowers instruction or source coding rate up-regulation instruction, and the information source determined is compiled
Bit rate lowers instruction or source coding rate up-regulation instruction is sent to the user terminal UE of base station eNB side, indicating user terminal
UE lowers instruction according to source coding rate or source coding rate is correspondingly lowered or raised in source coding rate up-regulation instruction,
So that the data volume of information source data is reduced, to ensure that information source data can be in short supply in interface-free resources under network overload state
In the case of normal transmission, improve the fluency of voice communication, and ensure the transmission of multi-path voice business datum, reduce eMBMS meeting
The interruption probability of words promotes business continuance；Under network low load condition, increase the data volume of information source data, to improve letter
The integrality of source data promotes the clarity of voice communication, plays speech enhan-cement effect.
Referring to Fig. 3, Fig. 3 is a kind of flow chart of data transmission method provided by the embodiments of the present application.
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station eNB side；The eMBMS system further includes the user terminal UE of multicast coordination entity MCE and the base station eNB side.
As shown in figure 3, the data transmission method includes:
S301: data transmission information is obtained.
Data transmission information is the information for characterize data transmission situation, for example, the size of real time data amount, eating dishes without rice or wine to provide
Number of source surplus etc..
S302: according to the data transmission information, network status messages are generated.
Base station eNB lateral root factually when data volume size, the number of interface-free resources surplus etc., can analyze out current network
State, such as network overload, network underload, and accordingly generate corresponding network status messages.
S303: the network status messages are sent to the multicast coordination entity.
The network status messages of generation are sent to the multicast coordination entity MCE by base station eNB side, and the multicast is coordinated real
Body MCE determines source coding rate according to network status messages after the network status messages for receiving the transmission of base station eNB side
Adjustment instruction.Wherein, the network status messages are used to determine corresponding source coding rate by the multicast coordination entity MCE
Adjustment instruction.
S304: the source coding rate adjustment instruction that the multicast coordination entity is sent is received.
The source coding rate adjustment instruction is used to indicate the user terminal UE adjustment source coding rate (Codec
Code rate).It is adapted the network state of source coding rate adjusted and the eMBMS system, to improve the eMBMS system
The data transmission capabilities of system.
Multicast coordination entity MCE needs to determine after determining corresponding source coding rate adjustment instruction
Source coding rate adjustment instruction is sent to the user terminal UE via the base station eNB side, and it is whole to be used to indicate the user
Hold UE adjustment source coding rate (Codec code rate).
S305: source coding rate adjustment instruction is sent to the user terminal.
Correspondingly, after base station eNB flanks the source coding rate adjustment instruction for receiving multicast coordination entity MCE transmission, then
The source coding rate received adjustment instruction is transmitted to user terminal UE, to indicate that the user terminal UE adjustment information source is compiled
Bit rate (Codec code rate).
Optionally, base station eNB side passes through wireless heterogeneous networks (RRC, Radio Resource Control) message or new
Increase MAC control element (MAC CE, MAC ControlElement) to refer to send source coding rate adjustment to user terminal UE
Show (Codec rate indication).
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station eNB side, base station eNB side obtain data transmission information, according to the data transmission information generate network status messages, will
The network status messages are sent to the multicast coordination entity MCE, and receive the multicast coordination entity MCE according to the net
The determination of network status message and the source coding rate adjustment instruction sent, indicate source coding rate adjustment to be sent to institute
User terminal UE is stated, to indicate user terminal UE adjustment source coding rate (Codec code rate), thus, make adjusted
The network state of source coding rate and the eMBMS system is adapted, and is equivalent to the data volume for adaptively having adjusted information source
To adapt to current network state, to improve the data transmission capabilities in eMBMS system, it is set to meet key task voice logical
Letter demand improves the dispatching of eMBMS session, and then ensures the usage experience of user.
Referring to Fig. 4, Fig. 4 is another flow chart of data transmission method provided by the embodiments of the present application.
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station eNB side；The eMBMS system further includes the user terminal UE of multicast coordination entity MCE and the base station eNB side.
As shown in figure 4, the data transmission method includes:
S401: the real time data amount and interface-free resources surplus in the user face in preset period of time are obtained.
The real time data amount and interface-free resources surplus in the user face in preset period of time, as data transmission information,
It can reflect current data transmission scenarios to a greater extent, to generate corresponding network status messages for base station eNB side
Sufficient foundation is provided.
S402: when the real time data amount is greater than preset data amount threshold value, and, the interface-free resources surplus is less than default money
When the Margin threshold of source, network over loading message is generated.
Network status messages include network over loading message, alternatively referred to as network congestion message.Base station eNB side is to preset time
The real time data amount in the user face in the period counts, and monitors current interface-free resources surplus, if in preset period of time
The real time data amount in interior discovery user face is greater than preset data amount threshold value, and interface-free resources surplus is less than default resource excess threshold
Value, then determine that current network is in overload, generate corresponding network over loading message.
Wherein, interface-free resources surplus is less than default resource excess threshold value, is typically due to a large amount of interface-free resources by Gao You
The eMBMS session of first grade occupy and caused by, while dispatch the eMBMS session of low priority cannot effectively.
S403: when the real time data amount is not more than preset data amount threshold value, and, the interface-free resources surplus is not less than pre-
If when resource excess threshold value, generating network underload message.
Network status messages include network underload message.When the real time data amount be not more than preset data amount threshold value,
And the interface-free resources surplus, when being not less than default resource excess threshold value, showing interface-free resources, there are also abundant surplus is not occupied
With can provide more good data transport service, then determine that current network is in low load condition, it is low to generate corresponding network
Load message.
S404: the network over loading message or the network underload message are sent to the multicast coordination entity.
The network over loading message, for determining that source coding rate lowers instruction by the multicast coordination entity MCE；Institute
Network underload message is stated, for determining source coding rate up-regulation instruction by the multicast coordination entity MCE.
S405: it receives the source coding rate that the multicast coordination entity is sent and lowers instruction or source coding rate up-regulation
Instruction.
The source coding rate lowers instruction, is used to indicate the user terminal UE and lowers source coding rate (Codec
Code rate)；The source coding rate up-regulation instruction is used to indicate user terminal UE up-regulation source coding rate (the Codec code
Rate).
Multicast coordination entity MCE is determining that corresponding source coding rate lowers instruction or source coding rate up-regulation refers to
After showing, need to lower the source coding rate determined instruction or source coding rate up-regulation instruction via the base station
The side eNB is sent to the user terminal UE, is used to indicate the user terminal UE and lowers or raise source coding rate (Codec
Code rate).
S406: the source coding rate is lowered into instruction or source coding rate up-regulation instruction is sent to user's end
End.
Base station eNB flanks the source coding rate downward instruction or message sink coding speed for receiving multicast coordination entity MCE transmission
After rate up-regulation instruction, then the source coding rate received is lowered into instruction or source coding rate up-regulation instruction is transmitted to user
Terminal UE, to indicate that the user terminal UE lowers or raise source coding rate.Wherein, base station eNB side is coordinated real in multicast
Play the role of data forwarding between body MCE and user terminal UE.
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station eNB side, base station eNB lateral root according to the user face in preset period of time real time data amount and interface-free resources surplus and
Preset data amount threshold value and default resource excess threshold value, generate corresponding network over loading message or network underload message；Then
The network over loading message or the network underload message are sent to the multicast coordination entity MCE, and received described more
Broadcast the message sink coding that coordination entity MCE is accordingly determined and sent according to the network over loading message or the network underload message
Rate lowers instruction or source coding rate up-regulation instruction, then source coding rate downward instruction or source coding rate are raised
Instruction is forwarded to the user terminal UE, to indicate that the user terminal UE lowers or raise source coding rate (Codec code
Rate), so that adaptively the data volume of adjustment information source is to adapt to current network state, to improve the number in eMBMS system
According to transmittability, it is made to meet key task voice communication demand, improves the dispatching of eMBMS session, and then ensure and use
The usage experience at family.
Referring to Fig. 5, Fig. 5 is another flow chart of data transmission method provided by the embodiments of the present application.
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station side；The eMBMS system further includes the user terminal of multicast coordination entity and the base station side.
As shown in figure 5, the data transmission method includes:
S501: obtaining speech intelligibility and promote request, or, voice fluency promotes request.
The data transmission information that base station eNB side obtains is the information for characterize data transmission situation.Data transmission information
Information, the data transmission informations such as its size for being not limited to real time data amount, the number of interface-free resources surplus also may include
User promotes request by the sound effect that user terminal is sent, for example, speech intelligibility promotes request, voice fluency is promoted
Request etc..
Optionally, it is whole by the user that the speech intelligibility, which promotes request and promotes request with the voice fluency,
The user of UE is held to send by the user terminal UE.For example, user terminal UE by RRC information or newly-increased MAC CE come to
Base station eNB sends sound effect and promotes request.
Optionally, it when the user of the user terminal UE is responsible consumer, obtains the responsible consumer and passes through the use
The speech intelligibility that family terminal UE is sent promotes request or voice fluency promotes request.That is, base station eNB side can be with
The severity level of user is judged, request only is promoted to the speech intelligibility that responsible consumer is sent and is promoted with voice fluency
Request is obtained, and the speech intelligibility for not obtaining ordinary user's transmission promotes request and voice fluency is promoted and requested,
To provide better service for responsible consumer.
S502: when getting the promotion request of voice fluency, network over loading message is generated.
The data transmission information that base station eNB side is got includes that voice fluency promotes request, is often as network and goes out
Existing congestion causes voice fluency poor, Caton phenomenon often occurs, and user has been promoted to send voice fluency to base station eNB side
Request is promoted, it, therefore, can also be with when base station eNB side gets voice fluency and promotes request to improve voice communication experience
Current situation is determined as network over loading state, and generates corresponding network over loading message.
S503: when the data transmission information includes that speech intelligibility promotes request, network underload message is generated.
The data transmission information that base station eNB side is got includes that speech intelligibility promotes request, is often as information source number
According to data volume it is smaller cause speech intelligibility not high, promoted user to base station eNB side send speech intelligibility promoted request,
It, therefore, can also will be current when base station eNB side gets speech intelligibility and promotes request to improve voice communication experience
Situation is determined as network low load condition, and then generates corresponding network underload message.
S504: the network over loading message or the network underload message are sent to the multicast coordination entity.
S505: it receives the source coding rate that the multicast coordination entity is sent and lowers instruction or source coding rate up-regulation
Instruction.
S506: the source coding rate is lowered into instruction or source coding rate up-regulation instruction is sent to user's end
End.
Wherein, step S504-S506 is similar with the step S404-S406 in previous embodiment, and for details, reference can be made to aforementioned
Embodiment, details are not described herein.
In one example, the data transmission information that base station eNB side obtains may include in preset period of time simultaneously
The real time data amount and interface-free resources surplus and sound effect in user face, which are promoted, requests, when according to the use in preset period of time
The first network status message that the real time data amount in family face and interface-free resources surplus generate, and is promoted according to sound effect and is requested
When the second network status messages difference generated, it can be subject to first network status message, it can also be with the second network state
Subject to message, specifically can flexibly it set according to the actual situation.
It optionally, is the real time data amount and interface-free resources surplus in the user face in preset period of time, with sound effect
Request is promoted, different different degrees is respectively set.According to the real time data amount in the user face in preset period of time with eat dishes without rice or wine to provide
The different degree and sound effect of source surplus promote the different degree of request, to generate corresponding network status messages.For example, according to weight
Higher data transmission information is spent to generate corresponding network status messages.
Data transmission method provided in this embodiment is applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station eNB side, base station eNB lateral root according to voice fluency promoted request or speech intelligibility promoted request, generate corresponding net
Network overload message or network underload message；Then the network over loading message or the network underload message are sent to institute
Multicast coordination entity MCE is stated, and it is low negative according to the network over loading message or the network to receive the multicast coordination entity MCE
Lotus message accordingly determines and the source coding rate that sends lowers instruction or source coding rate up-regulation instruction, then by message sink coding
Rate lowers instruction or source coding rate up-regulation instruction is forwarded to the user terminal UE, to indicate under the user terminal UE
It adjusts or raises source coding rate (Codec code rate), to adjust the data volume of information source adaptively to adapt to the voice of user
Call demand ensures the usage experience of user.
Be directed to data transmission method above-mentioned, the embodiment of the present application also provides corresponding multimedia cooperation entity MCE,
Base station system and eMBMS system, the multimedia cooperation entity MCE, base station system and eMBMS system are respectively used to realize this Shen
Please previous embodiment provide data transmission method, multimedia cooperation entity MCE, base station system and eMBMS system described below
System, can correspond to each other reference with the particular content of above-described data transmission method.
Referring to Fig. 6, Fig. 6 is a kind of structural schematic diagram of multimedia cooperation entity provided by the embodiments of the present application.
Multimedia cooperation entity MCE provided in this embodiment is applied to evolved multimedia broadcast multi-broadcasting business eMBMS system
System；The eMBMS system further includes the user terminal UE of base station eNB side and the base station eNB side.
As shown in fig. 6, the multimedia cooperation entity MCE includes:
Status message receiving unit 101, for receiving the network status messages of base station side transmission；
Code rate indicates determination unit 102, for determining that source coding rate adjustment refers to according to the network status messages
Show；
Code rate indicates transmission unit 103, for source coding rate adjustment instruction to be sent to the user terminal；
The source coding rate adjustment instruction is used to indicate the user terminal adjustment source coding rate, compiles information source adjusted
The network state of bit rate and the eMBMS system is adapted, to improve the data transmission capabilities of the eMBMS system.
Optionally, the network status messages include network over loading message or network underload message；The code rate instruction
Determination unit 102 is specifically used for:
When the network status messages are network overload message, determine that source coding rate adjustment is designated as message sink coding
Rate lowers instruction；
When the network status messages are network underload message, determine that source coding rate adjustment is designated as information source volume
Bit rate up-regulation instruction.
Multicast coordination entity MCE provided in this embodiment is applied to evolved multimedia broadcast multi-broadcasting business eMBMS system
System determines source coding rate adjustment instruction, and the letter that will be determined according to the network status messages that base station eNB side is sent
Source coding rate adjustment instruction is sent to the user terminal UE of base station eNB side, and indicating user terminal UE is according to source coding rate
Adjustment instruction adjustment source coding rate (Codec code rate), to make source coding rate adjusted and the eMBMS system
Network state be adapted, to improve the data transmission capabilities of the eMBMS system, which thereby enhance the language in eMBMS system
Sound data transmission capabilities make it meet key task voice communication demand, improve the dispatching of eMBMS session, Jin Erbao
Hinder the usage experience of user.
Referring to Fig. 7, Fig. 7 is a kind of structural schematic diagram of base station system provided by the embodiments of the present application.
Base station system provided in this embodiment, applied to the base in evolved multimedia broadcast multi-broadcasting business eMBMS system
It stands the side eNB；The eMBMS system further includes the user terminal UE of multicast coordination entity MCE and the base station eNB side.
As shown in fig. 7, the base station system includes:
Information acquisition unit 201 is transmitted, for obtaining data transmission information；
Status message generation unit 202, for generating network status messages according to the data transmission information；
Status message transmission unit 203, for the network status messages to be sent to the multicast coordination entity；It is described
Network status messages are used to be determined source coding rate adjustment instruction by the multicast coordination entity；
Code rate indicates receiving unit 204, refers to for receiving the source coding rate adjustment that the multicast coordination entity is sent
Show；
Code rate indicates retransmission unit 205, for source coding rate adjustment instruction to be sent to the user terminal；
The source coding rate adjustment instruction is used to indicate the user terminal adjustment source coding rate, compiles information source adjusted
The network state of bit rate and the eMBMS system is adapted, to improve the data transmission capabilities of the eMBMS system.
Optionally, the data transmission information includes: the real time data amount and sky in the user face in preset period of time
Mouth resource excess；The status message generation unit 202 is specifically used for:
When the real time data amount is greater than preset data amount threshold value, and, the interface-free resources surplus is less than more than default resource
When measuring threshold value, network over loading message is generated；
When the real time data amount is not more than preset data amount threshold value, and, the interface-free resources surplus is not less than default money
When the Margin threshold of source, network underload message is generated.
Optionally, the data transmission information includes: that speech intelligibility promotes request, or, voice fluency promotes request；
The status message generation unit 202 is specifically used for:
When the data transmission information includes that voice fluency promotes request, network over loading message is generated；
When the data transmission information includes that speech intelligibility promotes request, network underload message is generated.
Optionally, the transmission information acquisition unit 201 is specifically used for:
When the user of the user terminal is responsible consumer, obtains the responsible consumer and sent by the user terminal
Speech intelligibility promoted request or voice fluency promoted request.
Base station system provided in this embodiment, applied to the base in evolved multimedia broadcast multi-broadcasting business eMBMS system
It stands the side eNB, obtains data transmission information, network status messages are generated according to the data transmission information, by the network state
Message is sent to the multicast coordination entity MCE, and it is true according to the network status messages to receive the multicast coordination entity MCE
Source coding rate adjustment instruction is sent to the user terminal by the source coding rate adjustment instruction determined and sent
UE, to indicate user terminal UE adjustment source coding rate (Codec code rate), to make source coding rate adjusted
It is adapted with the network state of the eMBMS system, the data transmission capabilities in eMBMS system are which thereby enhanced, its satisfaction is made
Key task voice communication demand, and then the dispatching of eMBMS session is improved, and then ensure the usage experience of user.
The embodiment of the present application also provides a kind of evolved multimedia broadcast multi-broadcasting business eMBMS system, the eMBMS systems
System includes base station system described in multicast coordination entity MCE described in previous embodiment and previous embodiment, the base station
System is applied to the base station eNB side in eMBMS system.
Referring to Fig. 8, the data that Fig. 8 is eMBMS system provided by the embodiments of the present application transmit schematic diagram.
As shown in figure 8, eMBMS system includes at least multicast coordination entity MCE, the more matchmakers of evolved packet-based core networks EPC, IP
Body subsystem, IMS, evolved base station eNB and user terminal UE.Using user terminal UE as the first user terminal, then eMBMS system
System at least further includes the second user terminal UE -2 carried out data transmission with the first user terminal UE.
The data transmission procedure of the eMBMS system is as follows:
Opposite end of the second user terminal UE -2 as the first user terminal UE, default uses Codec code rate R0, and passes through list
Broadcast mode sends upstream data to the first user terminal UE, and the first user terminal UE is based on eMBMS system and receives corresponding downlink
Data (for example, RTP Media Stream).
The sound effect that base station eNB side can be detected by network congestion and the first user terminal UE is sent feeds back to obtain
Data transmission information, and corresponding network status messages are generated, the network status messages of generation are then sent to multicast and are coordinated
Entity MCE.
Wherein, detecting the data transmission information obtained by network congestion may include the user face in preset period of time
Real time data amount and interface-free resources surplus；The sound effect feedback sent by the first user terminal UE may include sound effect
Request is promoted, as speech intelligibility promotes request, voice fluency promotes request.
Network status messages notify (eMBMS overload notification) using the excess load in eMBMS system
Realize, excess load notify (eMBMS overload notification) state be " Overload " or
“Underload”。
For multicast coordination entity MCE after receiving network status messages, determination is corresponding with the network status messages
Codec code rate (source coding rate) adjustment instruction.For example, multicast coordination entity MCE is the super of " Overload " according to state
Load notifies to determine that Codec code rate lowers instruction, is notified to determine Codec code rate according to the excess load that state is " Underload "
Up-regulation instruction.
The Codec code rate determined adjustment instruction is sent to base station eNB side by multicast coordination entity MCE.
The Codec code rate received adjustment instruction is forwarded to the first user terminal UE by base station eNB side.
First user terminal UE is used to be adjusted according to the Codec code rate and indicate, common really with second user terminal UE -2
Set the goal Codec code rate R1.
First user terminal UE and second user terminal UE -2 are used to carry out data biography using the target Codec code rate R1
It is defeated.
Specifically, when the first user terminal UE receive Codec code rate adjustment instruction after, can first determine one and build
Codec code rate R1 is discussed, then sends Codec code rate adjustment request, Codec to second user terminal UE -2 by application layer messages
The information for suggesting Codec code rate R1 is carried in code rate request.
When second user terminal UE -2 is in the Codec code rate adjustment for receiving the information for carrying suggestion Codec code rate R1
After request, decide whether to disappear using Codec code rate R1 is suggested if so, sending the confirmation of Codec code rate to the first user terminal UE
Breath, and will suggest that Codec code rate R1 is determined as target Codec code rate；If it is not, then sending Codec code to the first user terminal UE
Rate refuse information.
When the first user terminal UE receive second user terminal UE -2 transmission Codec code rate confirmation message after, will
It is recommended that Codec code rate R1 is determined as target Codec code rate.In turn, the first user terminal UE and second user terminal UE -2 are common
Target Codec code rate R1 is defined, and the target Codec code rate R1 can be used and carry out data transmission.
When the first user terminal UE is after receiving the Codec code rate refuse information of the transmission of second user terminal UE -2, the
One user terminal UE continues to carry out data transmission using current Codec code rate R0 with second user terminal UE -2.
Evolved multimedia broadcast multi-broadcasting business eMBMS system provided by the embodiments of the present application, is obtained by base station eNB side
Data transmission information generates network status messages according to the data transmission information, the network status messages is sent to institute
State multicast coordination entity MCE；And the network status messages sent by multicast coordination entity MCE according to base station eNB side, determine letter
Source coding rate adjustment instruction, and the user that the source coding rate determined adjustment instruction is sent to base station eNB side is whole
UE, indicating user terminal UE is held to adjust instruction adjustment source coding rate (Codec code rate) according to source coding rate, thus suitable
The data volume size of information source data is adjusted to answering property, to improve the data transmission capabilities in eMBMS system, meets it crucial
Task voice communication demand, and then the dispatching of eMBMS session is improved, and then ensure the usage experience of user.
The embodiment of the present application also provides a kind of multicast coordination entity equipment, comprising: first memory and first processor；
Wherein, the first memory is for storing the first program code；
The first processor is for calling first program code stored in the first memory, before realizing
State the data transmission method.
A kind of base station system equipment, comprising: second memory and second processor；
Wherein, the second memory is for storing the second program code；
The second processor is for calling second program code stored in the second memory, to realize such as
The aforementioned data transmission method.
Correspondingly, a kind of evolved multimedia broadcast multi-broadcasting business eMBMS system, comprising: the multicast coordination entity is set
It is standby with the base station equipment.
Finally, it is to be noted that, herein, such as first and first or the like relational terms be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Through the above description of the embodiments, those skilled in the art can be understood that the application can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Based on this understanding, the technical solution of the application contributes to background technique whole or
Person part can be embodied in the form of software products, which can store in storage medium, such as
ROM/RAM, magnetic disk, CD etc., including some instructions are used so that a computer equipment (can be personal computer, service
Device or the network equipment etc.) execute method described in certain parts of each embodiment of the application or embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Specific examples are used herein to illustrate the principle and implementation manner of the present application, and above embodiments are said
It is bright to be merely used to help understand the present processes and its core concept；At the same time, for those skilled in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as the limitation to the application.
Claims (10)
1. a kind of data transmission method, which is characterized in that applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Multicast coordination entity；The eMBMS system further includes the user terminal of base station side and the base station side；The described method includes:
Receive the network status messages that base station side is sent；
According to the network status messages, source coding rate adjustment instruction is determined；
Source coding rate adjustment instruction is sent to the user terminal；The source coding rate adjustment instruction is used for
It indicates the user terminal adjustment source coding rate, makes the network of source coding rate adjusted Yu the eMBMS system
State is adapted, to improve the data transmission capabilities of the eMBMS system.
2. the method as described in claim 1, which is characterized in that the network status messages include network over loading message or network
Underload message；It is described according to the network status messages, determine that source coding rate adjustment instruction includes:
When the network status messages are network overload message, determine that source coding rate adjustment is designated as source coding rate
Lower instruction；
When the network status messages are network underload message, determine that source coding rate adjustment is designated as message sink coding speed
Rate up-regulation instruction.
3. the method as described in claim 1, which is characterized in that the user terminal is the first user terminal；The eMBMS system
System further include: the second user terminal carried out data transmission with first user terminal；
First user terminal is used to be adjusted according to the source coding rate and indicate, jointly true with the second user terminal
Set the goal source coding rate；
First user terminal and the second user terminal are used to carry out data biography using the target information source code rate
It is defeated.
4. a kind of data transmission method, which is characterized in that applied in evolved multimedia broadcast multi-broadcasting business eMBMS system
Base station side；The eMBMS system further includes the user terminal of multicast coordination entity and the base station side；The described method includes:
Obtain data transmission information；
According to the data transmission information, network status messages are generated；
The network status messages are sent to the multicast coordination entity；The network status messages by the multicast for being assisted
Entity is adjusted to determine source coding rate adjustment instruction；
Receive the source coding rate adjustment instruction that the multicast coordination entity is sent；
Source coding rate adjustment instruction is sent to the user terminal；The source coding rate adjustment instruction is used for
It indicates the user terminal adjustment source coding rate, makes the network of source coding rate adjusted Yu the eMBMS system
State is adapted, to improve the data transmission capabilities of the eMBMS system.
5. method as claimed in claim 4, which is characterized in that the data transmission information includes: in preset period of time
The real time data amount and interface-free resources surplus in user face；It is described according to the data transmission information, generate network status messages
Include:
When the real time data amount is greater than preset data amount threshold value, and, the interface-free resources surplus is less than default resource excess threshold
When value, network over loading message is generated；
When the real time data amount is not more than preset data amount threshold value, and, the interface-free resources surplus is not less than more than default resource
When measuring threshold value, network underload message is generated.
6. method as claimed in claim 4, which is characterized in that the data transmission information includes: that speech intelligibility promotion is asked
It asks, or, voice fluency promotes request；It is described according to the data transmission information, generating network status messages includes:
When the data transmission information includes that voice fluency promotes request, network over loading message is generated；
When the data transmission information includes that speech intelligibility promotes request, network underload message is generated.
7. method as claimed in claim 6, which is characterized in that the acquisition data transmission information includes:
When the user of the user terminal is responsible consumer, the language that the responsible consumer is sent by the user terminal is obtained
Sound clarity promotes request or voice fluency promotes request.
8. a kind of multicast coordination entity equipment characterized by comprising first memory and first processor；
Wherein, the first memory is for storing the first program code；
The first processor is for calling first program code stored in the first memory, to realize such as right
It is required that 1~3 described in any item data transmission methods.
9. a kind of base station equipment characterized by comprising second memory and second processor；
Wherein, the second memory is for storing the second program code；
The second processor is for calling second program code stored in the second memory, to realize such as right
It is required that 4~7 described in any item data transmission methods.
10. a kind of evolved multimedia broadcast multi-broadcasting business eMBMS system, which is characterized in that the eMBMS system include: as
Multicast coordination entity equipment according to any one of claims 8, with base station equipment as claimed in claim 9.
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