CN108924872A - Data transmission method, terminal and equipment of the core network - Google Patents

Data transmission method, terminal and equipment of the core network Download PDF

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Publication number
CN108924872A
CN108924872A CN201710239672.1A CN201710239672A CN108924872A CN 108924872 A CN108924872 A CN 108924872A CN 201710239672 A CN201710239672 A CN 201710239672A CN 108924872 A CN108924872 A CN 108924872A
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China
Prior art keywords
access
data
network
resource
equipment
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Granted
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CN201710239672.1A
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Chinese (zh)
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CN108924872B (en
Inventor
白丽
高明刚
王少鹏
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ZTE Corp
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ZTE Corp
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Priority to CN201710239672.1A priority Critical patent/CN108924872B/en
Priority to PCT/CN2018/077019 priority patent/WO2018188418A1/en
Publication of CN108924872A publication Critical patent/CN108924872A/en
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Publication of CN108924872B publication Critical patent/CN108924872B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0247—Traffic management, e.g. flow control or congestion control based on conditions of the access network or the infrastructure network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless

Abstract

The embodiment of the invention discloses a kind of data transmission method, terminal and equipments of the core network.The method of the present invention includes：Terminal obtains the candidate access networks of at least two types；Business data flow to be transmitted is divided at least two data to be transmitted streams according to service quality rating by the terminal；Meet preset synchronous condition between at least two data to be transmitted stream；The terminal determines the corresponding access network of each data to be transmitted stream according to the service quality rating of each data to be transmitted stream from the candidate access networks；The terminal passes through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.

Description

Data transmission method, terminal and equipment of the core network
Technical field
The present invention relates to field of communication technology more particularly to a kind of data transmission methods, terminal and equipment of the core network.
Background technique
It is universal with network, video calling using more and more extensive.But the video calling of high quality needs to occupy The more data transmission resources of network, in network busy, it is negative that a large number of users will cause network using video call service simultaneously It carries and aggravates.
During the business data flow of network transmission video calling, if network load is heavier, network can be to rear transmission Data packet carry out delay forwarding so that the propagation delay time of the data packet in business data flow follows the load of network and changes.
When network load changes greatly, carry the data packet of image or voice data from the sender of video calling to Transmission delay up to recipient is unstable, and then causes picture or sound discontinuous.
Summary of the invention
In view of this, an embodiment of the present invention is intended to provide a data transmission method, terminal and equipment of the core network, Neng Gou Mitigate the transmission load of network on the basis of guarantee video image or data transmission in network telephony delay stability.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
In a first aspect, the present invention provides a kind of data transmission method, the method includes：
Terminal obtains the candidate access networks of at least two types；
Business data flow to be transmitted is divided at least two data to be transmitted according to service quality rating by the terminal Stream；Meet preset synchronous condition between at least two data to be transmitted stream；
The terminal determines each according to the service quality rating of each data to be transmitted stream from the candidate access networks The corresponding access network of a data to be transmitted stream；
The terminal passes through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
In above scheme, at least two data to be transmitted stream is the audio data stream and video image in video calling Data flow.
In above scheme, the service quality rating according to each data to be transmitted stream, from the candidate access networks The corresponding access network of the middle each data to be transmitted stream of determination, including：
The terminal is according to the service ability grade of various types of candidate access networks at least two type Candidate access networks sequence；
The terminal by each data to be transmitted stream according to grade from high to low successively at least two type Access network correspond, obtain the corresponding access network of each data to be transmitted stream.
In above scheme, the terminal obtains the candidate access networks of at least two types, including：
The terminal obtains at least two access-in resources；At least two access-in resource corresponds at least two type Access network, the corresponding access network of any access-in resource；
According at least two access-in resource, at least two candidate access networks are determined.
In above scheme, the terminal obtains at least two access-in resources, including：
The terminal sends resource request to the first equipment of the core network, and the resource request is for requesting transmission described at least At least two access-in resources of two data to be transmitted stream；The corresponding access network of first equipment of the core network be it is described at least The first access network in two kinds of access network；
The terminal receives the resource instruction that first equipment of the core network is sent, and the resource instruction is used to indicate described Terminal passes through at least two data to be transmitted stream of access network transmission of at least two types.
In above scheme, before the terminal sends resource request to first equipment of the core network, including：
The terminal sends Multi net voting access capability information, the Multi net voting access capability to first equipment of the core network Information indicates the ability that the terminal has the second access network in the access network of access at least two type.
In above scheme, the access network of at least two type further includes the second access network；
Then the terminal sends resource request to the first equipment of the core network, including：
Terminal sends first resource request to first equipment of the core network, and the first resource request is for requesting at least One the first access-in resource, first access-in resource correspond to the first access network；
Terminal sends Secondary resource request to first equipment of the core network, and the Secondary resource request is for requesting at least One the second access-in resource, second access-in resource correspond to the second access network.
In above scheme, at least two data to be transmitted stream is M data to be transmitted stream, at least two type Access network be M access network；M is the integer more than or equal to 2；The resource request for request to transmit the M to M access-in resource of transmitting data stream；
The terminal receives the resource instruction that first equipment of the core network is sent, including：
The terminal receives the first resource instruction that first equipment of the core network is sent, and the first resource instruction includes N number of first access-in resource corresponding with the first access network, N is the integer more than or equal to 1 and less than M；And/or
The terminal receives the Secondary resource instruction that first equipment of the core network is sent, and the Secondary resource instruction includes P the second access-in resource corresponding with the second access network in the access network of at least two type；P be greater than or Integer equal to 1 and less than M；
Wherein, N and P's and be less than or equal to M.
In above scheme, the preset synchronous condition is to send out in at least two data to be transmitted stream in the same time The variance that at least two data packets out reach the time of recipient is less than threshold value synchronization time of threshold value.
In above scheme, the access network of at least two type includes：Long term evolution LTE accesses network, wireless guarantor True WiFi access network, wideband code division multiple access WCDMA access network, CDMA CDMA are accessed at least two in network.
Second aspect, the present invention provide a kind of data transmission method, including：
First equipment of the core network receives the resource request that first terminal is sent, and the resource request is for requesting at least two Access-in resource；At least two access-in resource is used for transmission at least two data to be transmitted streams, and described at least two is to be transmitted Meet preset synchronous condition between data flow；
First equipment of the core network sends resource instruction to the first terminal, and the resource instruction is used to indicate described At least two data to be transmitted streams described in the access network transmission that first terminal passes through at least two types, a type of access Network corresponds at least one data to be transmitted stream.
In above scheme, first equipment of the core network is corresponding to access the access net that network is at least two type The first access network in network；
At least two data to be transmitted stream is M data to be transmitted stream, the access network of at least two type For M access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M is big In the integer for being equal to 2；
Then first equipment of the core network sends resource instruction to the first terminal, including：
First equipment of the core network sends first resource instruction to the first terminal, and the first resource instruction includes N number of first access-in resource corresponding with the first access network, N is the integer more than or equal to 1 and less than M；And/or
First equipment of the core network sends Secondary resource instruction to the first terminal, and the Secondary resource instruction includes P the second access-in resource corresponding with the second access network in the access network of at least two type；P be greater than or Integer equal to 1 and less than M；
Wherein, N and P's and be less than or equal to M.
In above scheme, the second equipment of the core network corresponds to the second access network；
Then after the resource request that the first equipment of the core network obtains that first terminal is sent, including：
First equipment of the core network sends to second equipment of the core network and shunts resource request, and the shunting resource is asked Seek the second access-in resource for requesting the part data to be transmitted stream in the transmission at least two data to be transmitted stream；It is described The corresponding access network of second access-in resource is the second access network；
The shunting resource instruction that second equipment of the core network is sent is received, the shunting resource instruction includes described second Access-in resource.
The third aspect, the present invention provide a kind of data transmission method, including：
Second equipment of the core network obtains the shunting resource request that the first equipment of the core network is sent, and the shunting resource request is used The access-in resource of part data to be transmitted stream in request at least two data to be transmitted streams of transmission；Described at least two is to be passed Transmission of data stream meets preset synchronous condition；The corresponding type for accessing network of second equipment of the core network and first core The type of the corresponding access network of heart net equipment is different；
Second equipment of the core network is sent to first equipment of the core network shunts resource instruction, and the shunting resource refers to Show including corresponding second access-in resource of access network corresponding with second equipment of the core network.
Fourth aspect, the present invention provide a kind of terminal, and the terminal includes：
First transceiver module is configured to obtain the candidate access networks of at least two types；
Processing module is configured to business data flow to be transmitted is divided at least two according to service quality rating to be passed Transmission of data stream；Meet preset synchronous condition between at least two data to be transmitted stream；It is additionally configured to according to each to be passed The service quality rating of transmission of data stream determines the corresponding access net of each data to be transmitted stream from the candidate access networks Network；
First transceiver module is additionally configured to through each institute of the corresponding access network transmission of each data to be transmitted stream State data to be transmitted stream.
In above scheme, the processor is additionally configured to：
The candidate of at least two type is accessed according to the service ability grade of various types of candidate access networks Network sequence；
Each data to be transmitted stream is according to the grade successively access network at least two type from high to low It corresponds, obtains the corresponding access network of each data to be transmitted stream.
5th aspect, the present invention provide a kind of equipment of the core network, and the equipment of the core network is the first equipment of the core network, described First equipment of the core network includes：
Second transceiver module is configured to receive the resource request that first terminal is sent, and the resource request is for requesting extremely Few two access-in resources；At least two access-in resource is used for transmission at least two data to be transmitted streams, and described at least two Meet preset synchronous condition between data to be transmitted stream；
Second transceiver module is additionally configured to send resource instruction to the first terminal, and the resource instruction is used for Indicate that the first terminal passes through at least two data to be transmitted streams described in the access network transmission of at least two types, a type The access network of type corresponds at least one data to be transmitted stream.
In above scheme, first equipment of the core network is corresponding to access the access net that network is at least two type The first access network in network；
At least two data to be transmitted stream is M data to be transmitted stream, the access network of at least two type For M access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M is big In the integer for being equal to 2；
Then the second transceiver module concrete configuration is：
First resource instruction is sent to the first terminal, the first resource instruction includes and the first access network Corresponding N number of first access-in resource, N are the integer more than or equal to 1 and less than M；And/or
Secondary resource instruction is sent to the first terminal, the Secondary resource instruction includes and at least two type Access network in corresponding P the second access-in resources of the second access network；P is more than or equal to 1 and whole less than M Number；
Wherein, N and P's and be less than or equal to M.
6th aspect, the present invention provide a kind of equipment of the core network, and the equipment of the core network is the second equipment of the core network, described Second equipment of the core network includes：
Third transceiver module is configured to obtain the shunting resource request that the first equipment of the core network is sent, the shunting resource Request is for requesting the access-in resource of the part data to be transmitted stream at least two data to be transmitted streams of transmission；Described at least two A data to be transmitted stream meets preset synchronous condition；The type of the corresponding access network of second equipment of the core network with it is described The type of the corresponding access network of first equipment of the core network is different；
It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes and second core Corresponding second access-in resource of the corresponding access network of heart net equipment.
7th aspect, the present invention provide a kind of terminal, and the terminal includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the place Reason device realizes following steps when executing described program：
Obtain the candidate access networks of at least two types；
Business data flow to be transmitted is divided at least two data to be transmitted streams according to service quality rating；It is described extremely Meet preset synchronous condition between few two data to be transmitted streams；
According to the service quality rating of each data to be transmitted stream, determination is each to be transmitted from the candidate access networks The corresponding access network of data flow；
Pass through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
In above scheme, described program further realizes following steps when being executed by the processor：
The candidate of at least two type is accessed according to the service ability grade of various types of candidate access networks Network sequence；
Each data to be transmitted stream is according to the grade successively access network at least two type from high to low It corresponds, obtains the corresponding access network of each data to be transmitted stream.
Eighth aspect, the present invention provide a kind of equipment of the core network, and the equipment of the core network is the first equipment of the core network, described First equipment of the core network includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the place Reason device realizes following steps when executing described program：
The resource request that first terminal is sent is received, the resource request is for requesting at least two access-in resources；It is described At least two access-in resources are used for transmission at least two data to be transmitted streams, meet between at least two data to be transmitted stream Preset synchronous condition；
Resource instruction is sent to the first terminal, the resource instruction is used to indicate the first terminal by least two At least two data to be transmitted streams described in the access network transmission of seed type, a type of access network correspond at least one and wait for Transmitting data stream.
In above scheme, first equipment of the core network is corresponding to access the access net that network is at least two type The first access network in network；
At least two data to be transmitted stream is M data to be transmitted stream, the access network of at least two type For M access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M is big In the integer for being equal to 2；
Following steps are further realized when then described program is executed by the processor：
First resource instruction is sent to the first terminal, the first resource instruction includes and the first access network Corresponding N number of first access-in resource, N are the integer more than or equal to 1 and less than M；And/or
Secondary resource instruction is sent to the first terminal, the Secondary resource instruction includes and at least two type Access network in corresponding P the second access-in resources of the second access network；P is more than or equal to 1 and whole less than M Number；
Wherein, N and P's and be less than or equal to M.
9th aspect, the present invention provide a kind of equipment of the core network, and the equipment of the core network is the second equipment of the core network, described Second equipment of the core network includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the place Reason device realizes following steps when executing described program：
The shunting resource request of the first equipment of the core network transmission is obtained, the shunting resource request is for requesting transmission at least The access-in resource of part data to be transmitted stream in two data to be transmitted streams；At least two data to be transmitted stream meets pre- If synchronous condition；The corresponding type for accessing network of second equipment of the core network is corresponding with first equipment of the core network The type for accessing network is different；
It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes and second core Corresponding second access-in resource of the corresponding access network of heart net equipment.
Tenth aspect, the present invention provide a kind of storage medium, are stored with data distributing program, wherein the data transmission Program is configured to：
Obtain the candidate access networks of at least two types；Business data flow to be transmitted is drawn according to service quality rating It is divided at least two data to be transmitted streams；Meet preset synchronous condition between at least two data to be transmitted stream；According to The service quality rating of each data to be transmitted stream determines that each data to be transmitted stream is corresponding from the candidate access networks Access network；Pass through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
The embodiment of the present invention provides data transmission method, by according to service quality rating by business data flow to be transmitted At least two data to be transmitted streams are divided into, meets preset synchronous condition between at least two data to be transmitted stream, obtains The candidate access networks for taking at least two types determine each data according to the service quality rating of each data to be transmitted stream Corresponding access network is flowed, by each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream, So as to reduce network load on the basis of guaranteeing image or data transmission in network telephony delay stability.
Detailed description of the invention
Fig. 1 is the flow chart of data transmission method embodiment one of the present invention；
Fig. 2 is the stream that a kind of optional embodiment of at least two candidate access networks is obtained in embodiment illustrated in fig. 1 Cheng Tu；
Fig. 3 is the interaction diagrams of data transmission method embodiment two of the present invention；
Fig. 4 is the interaction diagrams of data transmission method embodiment three of the present invention；
Fig. 5 is the interaction diagrams of data transmission method example IV of the present invention；
Fig. 6 is the interaction diagrams of data transmission method embodiment five of the present invention；
Fig. 7 is the flow chart of data transmission method embodiment six of the present invention；
Fig. 8 is the interaction diagrams that video calling is established in data transmission method of the present invention；
Fig. 9 is the structural schematic diagram of terminal provided in an embodiment of the present invention；
Figure 10 is another structural schematic diagram of terminal provided in an embodiment of the present invention；
Figure 11 is a kind of optional structural schematic diagram of equipment of the core network provided in an embodiment of the present invention；
Figure 12 is another structural schematic diagram of equipment of the core network provided in an embodiment of the present invention；
Figure 13 is another optional structural schematic diagram of equipment of the core network provided in an embodiment of the present invention；
Figure 14 is the yet another construction schematic diagram of equipment of the core network provided in an embodiment of the present invention.
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.
Fig. 1 is the flow chart of data transmission method embodiment one of the present invention.
As shown in Figure 1, the executing subject of the embodiment of the present invention is terminal.The step of embodiment of the present invention includes：
S101：Terminal obtains the candidate access networks of at least two types.
S102：Business data flow to be transmitted is divided at least two data to be transmitted according to service quality rating by terminal Stream.
Wherein, meet preset synchronous condition between at least two data to be transmitted stream.
S103：Terminal is determined from the candidate access networks according to the service quality rating of each data to be transmitted stream The corresponding access network of each data to be transmitted stream.
Wherein, the corresponding access network of a data to be transmitted stream.
S104：Terminal passes through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
In embodiments of the present invention, it should be noted that meet preset synchronous condition described at least two are to be transmitted Data flow can be from same service request, alternatively, at least two numbers to be transmitted of sender having the same and recipient According to stream, the time of recipient is reached in at least two data to be transmitted stream at least two data packets that the same time issues Variance be less than threshold value threshold value synchronization time.
For example, at least two data to be transmitted stream can in video calling voice data to be transmitted stream and Video image data to be transmitted stream.For another example, at least two data to be transmitted stream can be long term evolution (Long Term Evolution, LTE) the voice industry based on IP multimedia subsystem (IP Multimedia Subsystem, IMS) in network The voice data to be transmitted stream and video image data to be transmitted generated in business (Voice over LTE, VoLTE) communication process Stream.
Optionally, terminal can execute S102 after receiving service request.Illustratively, the service request can Think the VoLTE service request that user's operation terminal is initiated.
It should also be noted that, terminal can support a plurality of types of access networks, the access of at least two type Network may include：It is more that LTE accesses network, Wireless Fidelity (WIreless-Fidelity, WiFi) access network, wideband code division Network, CDMA (Code are accessed in location (Wideband Code Division Multiple Access, WCDMA) Division Multiple Access, CDMA) it accesses at least two in network.For example, the access of at least two type Network network can be accessed for LTE and WiFi accesses network；For another example, the access network of at least two type may be LTE accesses network and WCDMA accesses network.
For example, the access network of at least two type may include the first access network, second access network, The corresponding access network of first equipment of the core network is the first access network, and the terminal can be built between the first equipment of the core network It is vertical to have communication connection, wherein the first access network may include the first access network equipment and the first equipment of the core network.It is connect with first Entering network is that LTE is accessed for network, and the first access network equipment can be the base station of LTE network equipment, and the terminal can be with First access network equipment establishes the communication connection based on LTE access network, and the first equipment of the core network can pass through the first access net Equipment is communicated with terminal.After terminal and the first equipment of the core network establish communication connection, the available Client-initiated of terminal VoLTE service request.Then, video image data stream or audio data stream are branched into terminal second and accesses network transmission. It is for WiFi accesses network by the second access network, the second the second access network equipment accessed in network can access for WiFi Point, terminal can access network transmission audio data stream by LTE, meanwhile, network transmission video figure can be accessed by WiFi As data flow.
Optionally, terminal can first confirm that itself whether support to connect at least two after receiving service request Enter the ability that network is communicated, then, judges surrounding with the presence or absence of the other kinds of access net except the first access network Network, alternatively, the signal strength of other kinds of access network existing for around judgement, determines whether to execute according to judging result S101。
Optionally, the embodiment of the present invention to the execution sequencing of S101 and S102 with no restrictions, need to only guarantee in S103 S101 and S102 is executed before.It is only example the case where executing S102 after first carrying out S101 shown in Fig. 1.
The data transmission method of the embodiment of the present invention, terminal meet pre-determined synchronization item by least two access network transmissions At least two data to be transmitted streams of part, can be by least one data to be transmitted in at least two data to be transmitted stream Flow point flow at least one other access network and is transmitted, thus reduce as described in an access network transmission at least two to The transmission load of transmitting data stream reduces or avoids the data as caused by single access network network overload in transmission process Packet packet loss improves the transmission reliability of at least two data to be transmitted stream.
In embodiments of the present invention, each by the corresponding each access network transmission of each data to be transmitted stream in terminal Before data to be transmitted stream, in S102, business data flow to be transmitted can be divided by terminal according to service quality rating At least two data to be transmitted streams.
It wherein, usually may include the different data flow of multiple service quality ratings in business data flow.Some communication protocols The service quality rating (Quality of Service, QoS) of the various data packets in some business data flows is defined in view, For example, the VoP and video image data packet in VoLTE video call service can have different QoS grades.It can Choosing, it also may include the different multiple data of service quality rating of demand in some network telephone conferences, safety monitoring business Packet.Business datum can then be divided according to data packet actual transmission quality demand.For example, when VoP can It, can be by voice data package definition service quality rating with higher, when image or other monitoring when more important by property It, can be lower by the data packet related definition of image or other monitoring datas when the reliability time of the data packet of data is important Service quality rating, thus when getting business data flow according to the corresponding Service Quality of the data packet for including in business data flow Measure grade classification data flow to be transmitted.
The service quality rating according to each data to be transmitted stream, determination is each to be transmitted from candidate access networks The corresponding access network of data flow may include：
The terminal is according to the height of the service ability grade of various types of candidate access networks to described at least two The candidate access networks of type sort；The terminal by each data to be transmitted stream according to service quality rating from high to low It is successively corresponded with the access network of at least two type, obtains the corresponding access network of each data to be transmitted stream.
It illustratively, can be according to the QoS etc. of each data to be transmitted stream in at least two data to be transmitted stream The service ability grade of each access network, determines each data to be transmitted in the access network of grade and at least two type Flow corresponding access network.So as to determine that suitable access network carries out according to the service quality rating of data to be transmitted stream The transmission of data flow.It should be noted that at least two data to be transmitted stream can be divided at least two grades.
Wherein, the Qos grade of each data to be transmitted stream can be according to the corresponding scale value of each data to be transmitted stream (QoS Class Identifier, QCI) grade determines.Illustratively, corresponding QCI of the audio data stream of VoLTE business etc. Grade is 1, and the corresponding QCI grade of video data stream is 2.
It should be noted that the service ability grade of each access network can be according to the corresponding transmission speed of the access network One or more determines in the factors such as rate, the overtime rate of transmission, packet loss.Wherein, transmitting overtime rate can be the access net Ratio shared by the data packet of time-out is transmitted in the data packet that the access network equipment of network transmits within a preset time；Alternatively, described Ratio shared by the data packet of time-out is transmitted in the data packet of the access network equipment transmission preset quantity of access network.Optionally, The service ability grade of each access network is also possible to preconfigured.Illustratively, LTE accesses the service ability etc. of network Grade be 1, WiFi access network service ability grade be 2, WCDMA access network service ability grade be 3, CDMA access net The service ability grade of network is 4.
Illustratively, determine that the principle of the corresponding access network of data to be transmitted stream can be service quality rating is higher Data to be transmitted flow point be assigned to the higher ranked access network of service ability and transmitted.So as to preferentially guarantee Service Quality Measure the transmission reliability of higher ranked data to be transmitted stream.
For example, at least two data to be transmitted stream can correspond at least two service quality QoS grades, any Data to be transmitted stream can correspond to a service quality rating；The access network of at least two type can correspond at least two A service ability grade, any access network type can correspond to a service ability grade；At least two service quality Grade can be corresponded at least two service ability grade.Wherein, at least two service quality rating is pressed According to the corresponding service quality rating sequence of available at least two service quality rating that sorts from high to low, to described At least two service ability grades are corresponding according to the available at least two service ability grade that sorts from high to low Service ability rate sequence.Each service quality rating in service quality rating sequence can be successively and in grade of service sequence Each service ability grade correspond.
Illustratively, at least two data to be transmitted stream is audio data stream and video image number in VoLTE business According to stream, the corresponding QCI of audio data stream is 1, and the corresponding QCI of video image data stream is 2, the access of at least two type Network is that LTE accesses network and WiFi accesses network.Transmission rate, transmission packet loss, transmission stability based on access network Comprehensive performance be compared, LTE access network be better than WiF access network, can be set LTE access network service ability Grade is 1, and the service ability grade that setting WiFi accesses network is 2, then the base station that terminal can access network by LTE is transmitted The audio data stream transmits the video image data stream by the WiFi access point that WiFi accesses network.Optionally, each Accessing the corresponding service ability grade of network can determine according to the comprehensive performance weighted value of preset monitor duration.
In embodiments of the present invention, since LTE access network is capable of providing high speed, the transmission of safe and reliable data, thus It can guarantee that audio data stream in time, reliably transmits, guarantee that the user of recipient can hear the voice of video calling.Together When, network transmission video image data stream is accessed by WiFi, LTE access network transmission video image data can be greatly reduced Flow the transmission bandwidth resource needed.Therefore, the audio data stream and video image data of VoLTE business are transmitted in this way Stream, user can receive timely, complete voice always, that is, ensure that reduces LTE network while user answers effect Traffic load.
In addition, WiFi access network transmission rate it is higher, can equally guarantee video image data to be transmitted stream in time, Reliable transmission, guarantee user it can be seen that video calling image.Therefore, it can also guarantee that user is continuous in this way Watch the image in video call process.
Moreover, for the user of using terminal, when user uses the access network transmission of at least two types It, can be in order to the data to be transmitted flow using each access network of user flexibility, example when at least two data to be transmitted stream Such as, when the residual flow deficiency of the LTE access network in user account, alternatively, when the flow expenses standard of LTE access network When accessing the flow expenses standard of networks higher than other, user can be configured at the terminal, the view that flow will be used more Frequency image data to be transmitted flow point is assigned to the lower access network of flow expenses standard and is transmitted.
Therefore, user can also be helped to save flow cost of use using the data transmission method that present embodiment provides.
It can be seen that data transmission method provided in an embodiment of the present invention, by will be to be transmitted according to service quality rating Business data flow be divided at least two data to be transmitted streams, meet between at least two data to be transmitted stream preset Synchronous condition determines the corresponding access network of each data flow, passes through according to the service quality rating of each data to be transmitted stream The corresponding each data to be transmitted stream of access network transmission of each data to be transmitted stream, so as to guarantee image or Data transmission in network telephony is delayed on the basis of stability, reduces network load.
Optionally, on the basis of any of the above-described embodiment, the embodiment of the present invention also provides a kind of optional embodiment party Formula, in the present embodiment, the terminal can be the sender or recipient of at least two data to be transmitted stream.When When the terminal is described sender, it is to be transmitted that the terminal passes through described at least two access network transmissions at least two respectively Data flow may include：The terminal sends at least two data to be transmitted stream；When the terminal is the recipient When, the terminal passes through at least two data to be transmitted streams described at least two access network transmissions respectively, may include：It is described Terminal receives at least two data to be transmitted stream.
Optionally, on the basis of any of the above-described embodiment, the embodiment of the present invention also provides a kind of optional embodiment party Formula, in the present embodiment, the terminal of recipient can to via at least two accesses network transmission at least two to At least two data packets in transmitting data stream carry out pairing processing, to complete corresponding service request.
Illustratively, in at least two data to be transmitted stream at least two data packets that the same time issues can be with Timestamp mark having the same.Optionally, the time synchronization between transmitting terminal and receiving end can be controlled by real-time Transmission Agreement (Real-Time Transport Control Protocol, RTCP) is realized, for example, transmitting terminal can be reported by sending The timestamp that grouping (Sender Report, SR) has currently been sent to receiving end report is accused, the timestamp in SR can be to synchronize NTP timestamp (NTP timestamp) or RTP timestamp (RTP timestamp) in source identifier (SSRC).
For at least two data packets of timestamp having the same mark, the terminal of recipient can according to it is described at least The corresponding timestamp of two data packets, which identifies, determines the first receiving time；When having described according to first receiving time reception Between stab the data packet of mark；Be discarded in reach after first receiving time terminal with timestamp mark Data packet.
Optionally, it is described be discarded in reach the terminal after first receiving time there is timestamp mark Data packet, may include：It abandons corresponding QoS grade and is less than the preset timeout datum packet for guaranteeing grade.Illustratively, may be used Only to allow the data packet for abandoning video image data stream, without allowing to abandon the data packet in audio data stream.
Specifically, the data packet in audio data stream and video image data stream for VoLTE business, terminal is by first The received data packet of receiving time is matched, and the corresponding data packet of audio data stream is sent to earphone after matching or speaker is defeated Out, the corresponding data packet of video image data stream screen is sent to show.
It should be noted that the range of the first receiving time can be determined according to tolerable delay degree.Then use this Kind mode, it may not be necessary to which the data packet for waiting time-out more reaches, and thereby may be ensured that big at least two data packet Partial data packet can be used for business presentation in time, promote experience of the user in terms of receiving real-time property.
Optionally, on the basis of any of the above-described embodiment, the embodiment of the present invention also provides the third optional implementation Mode.
Fig. 2 is the stream that a kind of optional embodiment of at least two candidate access networks is obtained in embodiment illustrated in fig. 1 Cheng Tu.
As shown in Fig. 2, in the present embodiment, S101 may include：
S201：Terminal obtains at least two access-in resources；At least two access-in resource corresponds at least two class The access network of type, the corresponding access network of any access-in resource.
S202：According at least two access-in resource, at least two candidate access networks are determined.
In embodiments of the present invention, it should be noted that an access-in resource can identify a transmission path or one A destination node address.The corresponding access network of one access-in resource is the access network that the transmission path is passed through, alternatively, distribution The access network of the transfer resource, alternatively, the corresponding access network in the destination node address.
For example, the access-in resource corresponding to LTE access network can be the dedicated bearer of LTE network, correspond to The access-in resource that WiFi accesses network can be IP address, and the access-in resource corresponding to WCDMA access network can be WCDMA net The carrying of network, the access-in resource corresponding to CDMA access network can be the carrying of cdma network.
Optionally, destination node address can access mark used in an access network for the distant terminal of the terminal Know.Illustratively, the access-in resource corresponding to WiFi access network can be the IP address of distant terminal.
It should be noted that if the terminal is the transmitting terminal of at least two data to be transmitted stream, the then opposite end Terminal is the terminal as receiving end.It is described if the terminal is the receiving end of at least two data to be transmitted stream Distant terminal is the terminal as transmitting terminal.
Optionally, when corresponding at least two network equipment of the access network of at least two type is the first core net Equipment and the second equipment of the core network, when the terminal can obtain the access-in resource by the first equipment of the core network, purpose section Dot address is also possible to the interface identifier that the first equipment of the core network is communicated with the second equipment of the core network.Illustratively, corresponding The access-in resource that network is accessed in WiFi can be the corresponding IP address of the first equipment of the core network.
It in this way, still can be by the when opposite equip. is not supported to be communicated with the second access network One equipment of the core network is forwarded a certain data to be transmitted stream.For example, the access network equipment in the second access network is WiFi Access point, then the data to be transmitted stream can be sent to after the IP interface of the first equipment of the core network by WiFi access point, by First equipment of the core network is transmitted to opposite equip. again.To realize at least two data to be transmitted stream in transmission path Shunting on partial sector.
Optionally, terminal can obtain be used to indicate transmit at least two data to be transmitted stream service request it Before, the interface IP address that the first equipment of the core network is communicated with the second equipment of the core network is obtained in advance.Using this embodiment, eventually End can not need the access-in resource corresponding with the second access network of the request when needing to transmit data to be transmitted stream every time.
Obtain several optional realities of at least two access-in resources by the first equipment of the core network using terminal to S201 below The data transmission method that the mode of applying is realized is described in detail.
Fig. 3 is the interaction diagrams of data transmission method embodiment two of the present invention.
As shown in figure 3, the executing subject of the present embodiment includes terminal and the first equipment of the core network, method shown in Fig. 2 On the basis of (S202, S102 to S104 are not shown in the figure), in the embodiment of the present invention, S201 may include：
S301：Terminal sends resource request to the first equipment of the core network, and the resource request is for requesting transmission at least two At least two access-in resources of a data to be transmitted stream.
Wherein, at least two data to be transmitted stream meets preset synchronous condition.
S302：First equipment of the core network sends resource instruction to terminal, and the resource instruction is used to indicate terminal by extremely At least two data to be transmitted streams described in few two kinds of access network transmission.
In embodiments of the present invention, the first access network can correspond to the first access network equipment and the first equipment of the core network, First equipment of the core network can be communicated by the first access network equipment (not shown) with terminal.Described at least two to Transmitting data stream can be the audio data stream and video figure generated in video call service or the communication process of VoLTE business As data flow.By taking VoLTE business as an example, terminal can pass through meeting after getting Client-initiated VoLTE service request The invitation invite message in initiation protocol (Session Initiation Protocol, SIP) agreement is talked about to the first core net Equipment sends the resource request.Illustratively, the invite message may include m=Audio and m=video media letter Breath.
It should be noted that resource instruction can be only comprising at least one first access corresponding with the first access network Resource, wherein the quantity of at least one first access-in resource is less than the quantity of at least two data to be transmitted stream, or Person, resource instruction may include corresponding second access-in resource of the second access network.Wherein, using resource instruction only comprising the The mode of one access-in resource, terminal user can separately initiate that the resource of other access-in resources is requested to be asked to the second equipment of the core network It asks.
For example, at least two data to be transmitted stream can be M data to be transmitted stream, at least two class The access network of type can be M access network, and the M access-in resource can correspond to M access network, any access-in resource A corresponding access network, M are the integer more than or equal to 2.
Then first equipment of the core network sends resource instruction to terminal, may include：
First equipment of the core network sends first resource instruction to terminal, and the first resource instruction includes and described at least two The corresponding N number of access-in resource of the first equipment of the core network in a network equipment, corresponding first core net of N number of access-in resource are set Standby, N is the integer more than or equal to 1 and less than M；And/or
First equipment of the core network sends Secondary resource instruction to terminal, and the Secondary resource instruction includes P second access Resource, corresponding second equipment of the core network of second access-in resource, second equipment of the core network are set with first core net Standby corresponding access network is different, and P is the integer greater than 1 and less than or equal to M；
Wherein, N and P's and be less than or equal to M.
It is indicated using above-mentioned transmission first resource, alternatively, Secondary resource instruction is sent, alternatively, sending first resource simultaneously It indicates the mode with Secondary resource instruction, the terminal can be made to learn that the first equipment of the core network indicates that the terminal passes through The network equipment of the access network of corresponding at least two types transmits at least two data to be transmitted stream.
It should also be noted that, optional, the first equipment of the core network can obtain second access in several ways Resource.For example, the first equipment of the core network can obtain second access-in resource from the second equipment of the core network, alternatively, the first core Heart net equipment can obtain second access-in resource from distant terminal, alternatively, the first equipment of the core network can be by itself and the The interface IP address that two equipments of the core network are communicated is sent to the terminal as second access-in resource.
It should also be noted that, optional, the terminal sends resource request to the first equipment of the core network and may include：
Terminal sends the request of resource request first resource to the first equipment of the core network, and the first resource request is for requesting Transmit the first access-in resource of N number of data to be transmitted stream, the corresponding first access network of first access-in resource；
Terminal sends the request of resource request Secondary resource to the first equipment of the core network, and the Secondary resource request is for requesting Transmit the second access-in resource of P data to be transmitted stream, the corresponding first access network of second access-in resource.
Then the first equipment of the core network can be requested respectively responsive to first resource and Secondary resource request sends first resource Instruction and Secondary resource instruction.
On the basis of any of the above-described embodiment, the present embodiment also provides three kinds of optional embodiments.
In the first optional embodiment of the present embodiment, the first equipment of the core network is asked in the resource that S301 is received Ask can use it is identical as the resource request of existing VoLTE business.First equipment of the core network can be issued actively and is used to indicate The terminal is indicated by the resource that at least two network equipments transmit at least two data to be transmitted stream.
In second of optional embodiment of the present embodiment, optionally, may include before S301：
S300：Terminal sends Multi net voting access capability information to the first equipment of the core network.
Wherein, the Multi net voting access capability information indicates that the terminal has in access at least two network equipment Second access network ability.Optionally, terminal can access other one or more in addition to the first access network The access capability of network is reported to the first equipment of the core network.
Optionally, the terminal can send the Multi net voting by measurement report message (Measurement Report) Access capability information.Optionally, the second access network that can also be measured including the terminal in the measurement report message The information such as signal strength.
It should be noted that S300 step is not the steps necessary of the other embodiments of the present embodiment.
In the present embodiment, terminal can obtain indicate transmission at least two data to be transmitted streams service request it Preceding any time reports Multi net voting access capability information to the first equipment of the core network, so that the first equipment of the core network can be S301 issues above-mentioned resource instruction when receiving resource request identical with the resource request of existing VoLTE business.
In the third optional embodiment of the present embodiment, optionally, above-mentioned Multi net voting access capability information can also The first equipment of the core network is sent in the resource request of S301 to carry, so that the first equipment of the core network issues resource instruction.
The first core net is enabled to set using second and the third optional embodiment of above-mentioned the present embodiment It is standby to know that the terminal has the ability communicated with the second equipment of the core network of corresponding second access network.
The other technologies solution details and technical effect of the embodiment of the present invention are similar with method shown in Fig. 1 to Fig. 2, herein not It repeats again.
Fig. 4 is the interaction diagrams of data transmission method embodiment three of the present invention.
On the basis of method shown in Fig. 2 (S202, S102 to S104 are not shown in the figure), as shown in figure 4, the present embodiment Executing subject may include first terminal, second terminal, the first equipment of the core network.In the present embodiment, S201 may include：
S401：First terminal sends Multi net voting access capability to the first equipment of the core network.
Wherein, the Multi net voting access capability can be sent by measurement report message.
S402：First terminal sends resource request to the first equipment of the core network, and the resource request is transmitted to for requesting At least two access-in resources of few two data to be transmitted stream.
Wherein, optionally, the first terminal can send the resource request by invite message.
It should be noted that S402 is not required the step of executing, S402 can be executed prior to S401.
S403：First equipment of the core network is sent to second terminal shunts resource request, and the shunting resource request is for asking Seek the access-in resource of hop data to be transmitted stream.
Wherein, the first equipment of the core network can send the shunting resource request by invite message.
S404：Second terminal is sent to the first equipment of the core network shunts resource instruction, the shuntings resource indicate include with Corresponding second access-in resource of second access network.
Wherein, optionally, when the second access network is that WiFi accesses network, second access-in resource can be The IP address of second terminal.Optionally, the shunting resource instruction can pass through 183 session progress message (183session Progress it) sends.
S405：First equipment of the core network sends Secondary resource instruction to first terminal, and Secondary resource instruction includes the Two access-in resources.
Wherein, the corresponding second access network of second access-in resource.Optionally, the first equipment of the core network can pass through 183 session progress (183session progress) message of VoLTE business sends second access-in resource.
It should be noted that working as the interface IP address that the first equipment of the core network communicates itself with the second equipment of the core network When being sent to first terminal as the second access-in resource, S403 and S404 can not need to execute.
S406：First equipment of the core network sends first resource instruction to first terminal, and first resource instruction includes the One access-in resource.
Wherein, the corresponding first access network of first access-in resource.Optionally, the first equipment of the core network can be by special First access is sent with bearing activation request (Activate dedicated EPS bearer context request) Resource.
It, i.e., can be with after S401 it should also be noted that, S403-S405 and S406 are not required the step of being provided simultaneously with There is no S403-S405, alternatively, without S406.Also, the embodiment of the present invention does not limit the execution sequencing of S405 and S406 System.
The other technologies solution details and technical effect of the embodiment of the present invention are similar with method shown in Fig. 1 to Fig. 3, herein not It repeats again.
Fig. 5 is the interaction diagrams of data transmission method example IV of the present invention.
The executing subject of the present embodiment may include first terminal, second terminal, the first equipment of the core network, the second core net Equipment.Unlike embodiment illustrated in fig. 4, S403 and S404 could alternatively be S503 and S504.
As shown in figure 4, the step of the present embodiment, may include：
S501:First terminal sends Multi net voting access capability to the first equipment of the core network.
Wherein, optionally, Multi net voting access capability may include the mark of first terminal, and the mark of first terminal is for the One terminal is communicated with the second access network.
S502：First terminal sends resource request to the first equipment of the core network, and the resource request is transmitted to for requesting At least two access-in resources of few two data to be transmitted stream.
S503：First equipment of the core network sends to the second equipment of the core network and shunts resource request, the shunting resource request For requesting the access-in resource of hop data to be transmitted stream.
Wherein, optionally, point when the Multi net voting access capability of S502 includes the mark of the first terminal, in S503 Stream resource request may include the mark of the first terminal.
S504：Second equipment of the core network is sent to the first equipment of the core network shunts resource instruction, the shunting resource instruction Including the second access-in resource corresponding with the second access network.
Wherein, which can be the second equipment of the core network and is communicated according to first terminal with the second access network Mark distribution carrying or dedicated bearer.Optionally, the access-in resource can be used for identifying and pass through from the first terminal The access network equipment of the second access network is crossed to the transmission path of first equipment of the core network.
S505：First equipment of the core network sends Secondary resource instruction to first terminal, and Secondary resource instruction includes the Two access-in resources.
S506：The first resource instruction that first equipment of the core network is sent to first terminal, the first resource instruction include First access-in resource.
Similar with method shown in Fig. 4, S503-S505 and S506 are not required the step of being provided simultaneously with, i.e., after S501 Can there is no S503-S505, alternatively, without S506.Also, the embodiment of the present invention to the execution sequencing of S505 and S506 not It is limited.
It should be noted that the first access network can correspond to the first access network equipment and the first equipment of the core network, first Equipment of the core network can be communicated by the first access network equipment with terminal.Second access network can correspond to the second access net Equipment and the second equipment of the core network, second equipment of the core network are led to by second access network equipment with the terminal Letter.Interactive process between above-mentioned first terminal and the first equipment of the core network can be specially that first terminal passes through the first access net Interactive process between equipment and the first equipment of the core network.Interactive process between above-mentioned first terminal and the second equipment of the core network It can be specially that first terminal passes through the interactive process between the second access network equipment and the second equipment of the core network.
It should also be noted that, the access network for being used for transmission data to be transmitted stream in the embodiment of the present invention may include Access network equipment, alternatively, including access network equipment and equipment of the core network.
The other technologies solution details and technical effect of the embodiment of the present invention are similar with method shown in Fig. 1 to Fig. 4, herein not It repeats again.
The application of data transmission method provided in an embodiment of the present invention is described in detail below.
Fig. 6 is the interaction diagrams of data transmission method embodiment five of the present invention.
On the basis of method shown in Fig. 2, the executing subject of the embodiment of the present invention includes：First terminal, second terminal, One equipment of the core network, the first access network equipment, the second access network equipment.
By taking VoLTE business as an example, at least two data to be transmitted stream is voice data to be transmitted stream and video image Data to be transmitted stream.
First equipment of the core network and the corresponding first access network of the first access network equipment are that LTE accesses network, and second connects The corresponding second access network of log equipment is that WiFi accesses network.
As shown in fig. 6, step of the invention may include：
S601:First terminal sends measurement report message to the first equipment of the core network.
Wherein, measurement report message instruction first terminal supports access WiFi to access network.
S602:Second terminal sends measurement report message to the first equipment of the core network.
Wherein, measurement report message instruction second terminal supports access WiFi to access network.
S603：First terminal obtains the request of Client-initiated VoLTE video calling.
S604：First terminal sends invitation message to second terminal, which is used to initiate VoLTE to second terminal Video calling request.
S605：First terminal checks whether there is available WiFi access network.
Wherein, if judgement has available WiFi access network, determine that the audio data stream in the request of VoLTE video calling is corresponding Access network be LTE access network, execute S604, determine the corresponding access network of video image data stream be WiFi access net Network executes S605.
S606：First terminal sends first resource request to the first equipment of the core network, which requests for requesting It is used for transmission the dedicated bearer of audio data stream.
Wherein, the QCI grade of audio data stream is 1.
S607：First terminal sends Secondary resource request to the first equipment of the core network, which requests for requesting The IP address of the second terminal of transmitting video image data flow.
S608：First equipment of the core network sends to second terminal and shunts resource request.
Wherein, the shunting resource request is for requesting the second access-in resource corresponding with WiFi access network.
S609：Second terminal is sent to the first equipment of the core network shunts resource instruction, and shunting resource instruction includes second The IP address of terminal.
S610：First equipment of the core network sends 183 session progress message, the 183 session progress message package to first terminal Include the IP address of second terminal.
Wherein, first terminal cannot be using the 183 session progress message as the mark of called party answer.
S611：The dedicated bearer that first equipment of the core network is sent to first terminal activates request, the dedicated bearer activation Request is used to request to establish the dedicated bearer of QCI=1.
S612：First terminal sends dedicated bearer to the first equipment of the core network and establishes response.
Wherein, dedicated bearer is established response (Active Dedicated EPS bearer context Accepte) and is used Agree to establish the dedicated bearer of QCI=1 in mark first terminal.
S613：Second terminal checks whether there is available WiFi access network.
Wherein, if there is available WiFi access network, determine that the audio data stream in the request of VoLTE video calling is corresponding Accessing network is that LTE accesses network, executes S613, determines that the corresponding access network of video image data stream is that WiFi accesses net Network executes S614.
S614：Second terminal sends first resource request to the first equipment of the core network.
Wherein, dedicated bearer of the first resource request for requesting to be used for transmission voice data.
S615：Second terminal sends Secondary resource request to the first equipment of the core network.
Wherein, which requests the IP address for requesting the first terminal of transmitting video image data.
S616：First equipment of the core network sends dedicated bearer activation request to second terminal.
Wherein, dedicated bearer activation request is used to request to establish the dedicated bearer of QCI=1.
S617：Second terminal sends dedicated bearer to the first equipment of the core network and establishes response.
S618：First equipment of the core network sends 183 session progress message, the 183 session progress message package to second terminal Include the IP address of first terminal.
After resource reservation process, first terminal passes through the first access network equipment to second terminal transmitting audio data Stream, for first terminal by the second access network equipment to second terminal transmitting video image data flow, destination address is directed toward second eventually The IP address at end.
Wherein, first terminal and second terminal carry out delay process to VoLTE video calling.Specific delay process packet It includes：First terminal adds timestamp into each data packet when sending data flow.And second terminal is receiving data flow When, it is matched according to the data packet received, to determine whether to report upper layer application to present received data packet.Delay Processing can be continued for any terminal terminating this video calling.
It should be noted that the first equipment of the core network may include the first access network equipment and the first equipment of the core network, One equipment of the core network is communicated by the first access network equipment with terminal.Second equipment of the core network may include the second access net Equipment.Interactive process between above-mentioned terminal and the first equipment of the core network can be specially terminal by the first access network equipment with Interactive process between first equipment of the core network.Interactive process between above-mentioned terminal and the second equipment of the core network can be specially Terminal passes through the interactive process between the second access network equipment.
It should also be noted that, optional, the access net for the first access network being connect with first terminal and second terminal Network equipment can be the different access network equipments in the first access network.Similar, it is connect with first terminal and second terminal The second access network device can be the different access network equipments in the second access network.For example, being connect with first terminal WiFi access point and the WiFi access point that is connect with second terminal can be different, can lead between two WiFi access points Cross internet connection.
It is on the basis of the above embodiments, further to illustrate in order to more embody the purpose of the present invention.
Fig. 7 is the flow chart of data transmission method of embodiment of the present invention embodiment six.
As shown in fig. 7, the first access network is that LTE accesses network, the second access network is that WiFI accesses network, the first core Heart net equipment is LTE core network equipment, can may include for the method for the embodiment of the present invention：
S701：First terminal obtains user and initiates VoLTE visual telephone, sends invitation message.
Wherein, invitation message is invite message.
S702：First terminal checks whether there is available WiFi access network, if so, S703 is executed, if it is not, executing S711。
Wherein, if there is available WiFi access network, it is determined that the corresponding access network of VoLTE voice service is LTE access Network determines that the corresponding access network of video traffic is that WiFi accesses network, executes S703.
S703：First terminal sends measurement report to LTE core network equipment.
Wherein, measurement report includes the metrical information of WiFi network,.
S704：First terminal sends invitation message by the lateral second terminal of LTE network.
Wherein, which is that dedicated bearer is established in VoLTE voice service for requesting LTE core network equipment, simultaneously The video traffic IP address of request callee.
S705：The invitation message that LTE network side is sent in response to first terminal sends 183 message to first terminal, carries Called address information.
Wherein, first terminal obtains the video traffic IP address information of callee by 183 message.
S706：The lateral first terminal of LTE network sends dedicated bearer activation request, for establishing QCI=1 for voice service Dedicated bearer, first terminal reply dedicated bearer activation response, complete dedicated bearer negotiations process.
S707：Microphone data is carried on the LTE dedicated bearer of QCI=1 and transmits by first terminal.
S708：Camera data are sent to WiFi access point by first terminal, and destination address is the IP address of second terminal.
S709：VoLTE video calling delay process.
Wherein, delay process can provide guarantee by RTCP for its video speech quality, to guarantee time synchronization.Specifically , the first terminal of transmitting terminal can report that grouping SR (Sender Report) is used to make transmitting terminal with multicast to all Receiving end report sends situation, when there is data to need to send, timestamp is added into data, receiving end is carrying out delay process When, it read access time can be stabbed from received data, the timestamp in neighbouring data is compared, if identical or difference It is close, just upper layer application is submitted to play, if one of timestamp is bigger, continues to receive data.
S710：VoLTE video calling terminates.
S711：First terminal sends invitation message by the lateral second terminal of LTE network.
S712：After second terminal receives invitation message, 183 message are sent to first terminal, carry called address information And media coding/decoding capability etc..
S713：The lateral first terminal of LTE network sends two dedicated bearer activation requests, is respectively used to request and gives voice number Two dedicated bearers of QCI=1 and QCI=2 are established according to stream and video data stream.
S714：VoLTE voice service and video traffic are all carried on LTE network completion.
In embodiments of the present invention, it should be noted that can refer to Fig. 8 is video calling in data transmission method of the present invention The interaction diagrams of foundation, including：
S801：First terminal sends invitation message to second terminal.
Wherein, invitation invite message is first Session Description Protocol (Session Description Protocol, SDP) request, all codings that message offer first terminal is supported.
S802：Second terminal sends 183 message to first terminal.
Wherein, which is first SDP response, which provides all codings that second terminal is supported.
S803：First terminal sends Temporary Response message to second terminal.
Wherein, Temporary Response PRACK message is second SDP Request, which provides first terminal to every kind of media A kind of determining coding.Media refer to video image data stream or audio data stream etc..
S804：Second terminal sends 200 message for being used for response Temporary Response message to first terminal.
Wherein, which is second SDP response.
S805：Resource reservation processing.
S806：First terminal sends update message to second terminal.
Wherein, which is third SDP Request, which indicates that first terminal is completed at resource reservation Reason.
S807：Second terminal sends 200 message for being used for response update message to first terminal.
Wherein, which is third SDP Request, and it is pre- which indicates that second terminal completes resource Stay processing.
S808：Second terminal sends 180 message to first terminal.
Wherein, which is the called terminal ringing message of Session Initiation Protocol.
S809：First terminal sends Temporary Response message to second terminal.
S810：Second terminal sends 200 message of response Temporary Response message to first terminal.
In the establishment process of VoLTE video calling, it should be noted that the invite message of S801 is logical for first terminal Cross what LTE core network equipment was sent to second terminal, first terminal can be asked by the invite message to LTE core network equipment Ask for VoLTE voice service establish dedicated bearer and/or obtain video traffic IP address information, that is, realize above-mentioned S703 and S705。
Then, LTE core network equipment can return to the video of second terminal by 183 session progress message to first terminal Service IP address information.Optionally, which can be called lateral terminal for returning to coding branch to Calling Side The 183 session progress message for holding information, that is, realize above-mentioned S706.
Herein it should be noted that in order to which the media session for guaranteeing that both sides negotiate can establish, based on the needs of eating dishes without rice or wine of LTE It cries and distributes resource with called subscriber, before resource is by successful reservation, it cannot be guaranteed that media session can be successfully established.
Resource reservation (Precondition) function is presented as two stages that first stage owns in SIP signaling Media negotiation carries out the preparation of resource reservation just for the sake of both sides.Illustratively, media negotiation information can be carried on 183 and disappear In breath, when in 183 message including such as video IP address, coded format media negotiation information, first terminal cannot be done 183 It is indicated for ring-back, because resource reservation is successfully established not yet.
In the resource reservation stage, LTE core network can send dedicated bearer activation request to first terminal, and first terminal can It is successfully established with sending dedicated bearer, i.e. S704, optionally, first terminal can also be established with second terminal and be based on WiFi network Connection.
After resource reservation success, first terminal sends Update message to show that resource reservation is established and complete, at this time Resource reservation enters second stage, the 18X signaling of the second stage, the second stage can be with common Session Initiation Protocol Establish that VoLTE video calling process is the same, as the instruction information for putting back to ringing tone.
The other technologies solution details and technical effect of the embodiment of the present invention are similar with method shown in Fig. 1 to Fig. 6, herein not It repeats again.
The embodiment of the present invention also provides a kind of terminal, and Fig. 9 is the structural schematic diagram of terminal provided in an embodiment of the present invention, such as Shown in Fig. 9, terminal 90 includes：
First transceiver module 901, for obtaining the candidate access networks of at least two types；
Processing module 902, for determining the grade of data to be transmitted stream according to preset grade classification strategy；Wherein, institute The quantity for stating data to be transmitted stream is at least two, and meets preset synchronous condition between the data to be transmitted stream；Also use Determine that each data to be transmitted stream is corresponding from the candidate access networks according to the grade of data to be transmitted stream in the terminal Access network；The corresponding access network of one data to be transmitted stream；
First transceiver module 901 is also used to the terminal and passes through the corresponding access network transmission of each data to be transmitted stream Each data to be transmitted stream.
In embodiments of the present invention, at least two data to be transmitted stream is the audio data stream and view in video calling Frequency image data stream.
In embodiments of the present invention, the grade of any data to be transmitted stream is the corresponding clothes of the data to be transmitted stream Business quality Q oS grade.
In embodiments of the present invention, processing module 902 are specifically used for：
The candidate of at least two type is accessed according to the service ability grade of various types of candidate access networks Network sequence；
Each data to be transmitted stream is according to the grade successively access network at least two type from high to low It corresponds, obtains the corresponding access network of each data to be transmitted stream.
In embodiments of the present invention, the first transceiver module 901, is specifically used for：
Obtain at least two access-in resources；At least two access-in resource corresponds to the access net of at least two type Network, any access-in resource correspond to a kind of access network；
According at least two access-in resource, at least two candidate access networks are determined.
In embodiments of the present invention, the first transceiver module 901 is asked specifically for sending resource to the first equipment of the core network It asks, the resource request is used to request to transmit at least two access-in resources of at least two data to be transmitted stream；Described The corresponding access network of one equipment of the core network is the first access network in the access network of at least two type；And tool Body is used to receive the resource instruction that first equipment of the core network is sent, and it is logical that the resource instruction is used to indicate the first terminal Cross at least two data to be transmitted stream of access network transmission of at least two types.
First transceiver module 901 sends resource request to first equipment of the core network also particularly useful in the terminal Before, Multi net voting access capability information is sent to first equipment of the core network, the Multi net voting access capability information indicates institute State the ability for the second access network that terminal has in the access network of access at least two type.
In embodiments of the present invention, the access network of at least two type further includes the second access network；It is then described Transceiver module is used to send first resource request to first equipment of the core network, and the first resource request is for requesting at least One the first access-in resource, first access-in resource correspond to the first access network；And it is set to first core net Preparation send Secondary resource to request, and the Secondary resource request is for requesting at least one second access-in resource, second access Resource corresponds to the second access network.
In embodiments of the present invention, at least two data to be transmitted stream be M data to be transmitted stream, described at least two The access network of seed type is M access network；M is the integer more than or equal to 2；The resource request is for requesting described in transmission M access-in resource of M data to be transmitted stream；First transceiver module 901, for receiving the first equipment of the core network transmission First resource instruction, the first resource instruction include N number of first access-in resource corresponding with the first access network, and N is Integer more than or equal to 1 and less than M；And/or receive the Secondary resource instruction that first equipment of the core network is sent, institute Stating Secondary resource instruction includes that the corresponding P a second of the second access network in access network at least two type connects Enter resource；P is the integer more than or equal to 1 and less than M；
Wherein, N and P's and be less than or equal to M.
In embodiments of the present invention, the preset synchronous condition is in at least two data to be transmitted stream same The variance that at least two data packets that time issues reach the time of recipient is less than threshold value synchronization time of threshold value.
In embodiments of the present invention, the access network of at least two type includes：LTE accesses network, WiFi access Network, WCDMA access network, CDMA are accessed at least two in network.
The terminal of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1 to Fig. 6, realize former Reason is similar with technical effect, and details are not described herein again.
In practical applications, terminal shown in Fig. 9 can also use a kind of optional embodiment.
Figure 10 is another structural schematic diagram of terminal provided in an embodiment of the present invention, and as shown in Figure 10, terminal 90 includes Memory 1003, processor 1004 and it is stored in the data distributing program that can be run on memory 1003 and on processor 1004 (not shown), the processor realize following steps when executing described program：
Obtain the candidate access networks of at least two types；Business data flow to be transmitted is drawn according to service quality rating It is divided at least two data to be transmitted streams；Meet preset synchronous condition between the data to be transmitted stream；According to each to be passed The service quality rating of transmission of data stream determines the corresponding access network of each data to be transmitted stream from the candidate access networks； The corresponding access network of one data to be transmitted stream；Pass through each institute of the corresponding access network transmission of each data to be transmitted stream State data to be transmitted stream.
The terminal 90 can also include interface 1001, bus 1002, interface 1001, memory 1003 and processor 1004 It is connected by bus 1002.Wherein interface 1001 can be used for being communicated with the access network of at least two types.Wherein, Interface can be wire transmission interface, wireless transmission interface.Illustratively, interface can be transmitting or receiving antenna, can also be with It is to be realized by the program module being integrated in digital circuit processor.Optionally, interface 1001 may include respectively with it is each The corresponding sub-interface (not shown) of the access network of type.For example, interface 1001 may include accessing respectively with LTE The sub-interface that network and WiFi access network are communicated.
Further, at least two data to be transmitted stream can be the audio data stream and video figure in video calling As data flow.
Further, the grade of any data to be transmitted stream can be the corresponding Service Quality of the data to be transmitted stream Measure QoS grade
Further, it is furthermore achieved that following steps when which is executed by processor 1004：
The candidate of at least two type is accessed according to the service ability grade of various types of candidate access networks Network sequence；By each data to be transmitted stream according to the grade successively access net at least two type from high to low Network corresponds, and obtains the corresponding access network of each data to be transmitted stream.
Further, it is furthermore achieved that following steps when which is executed by processor 1004：
Obtain at least two access-in resources；At least two access-in resource corresponds to the access net of at least two type Network, the corresponding access network of any access-in resource；According at least two access-in resource, determine that described at least two is candidate Access network.
Further, it is furthermore achieved that following steps when which is executed by processor 1004：
Resource request is sent to the first equipment of the core network, the resource request is to be passed for requesting transmission described at least two At least two access-in resources of transmission of data stream；The corresponding access network of first equipment of the core network is at least two type Access network in first access network；Receive the resource instruction that first equipment of the core network is sent, the resource instruction It is used to indicate at least two data to be transmitted stream of access network transmission that the first terminal passes through at least two types.
Further, it is furthermore achieved that following steps when which is executed by processor 1004：In the terminal to institute Before stating the first equipment of the core network transmission resource request, Multi net voting access capability information is sent to first equipment of the core network, The Multi net voting access capability information indicates that the terminal has second in the access network of access at least two type Access the ability of network.
Further, the access network of at least two type further includes the second access network, which reads should Instruction is also used to：First resource request is sent to first equipment of the core network, the first resource request is for requesting at least One the first access-in resource, first access-in resource correspond to the first access network；It is sent out to first equipment of the core network Secondary resource is sent to request, the Secondary resource request is for requesting at least one second access-in resource, second access-in resource The corresponding second access network.
Further, at least two data to be transmitted stream is M data to be transmitted stream, at least two type Access network is M access network；M is the integer more than or equal to 2；The resource request is for requesting the transmission M a to be passed M access-in resource of transmission of data stream；It is furthermore achieved that following steps when the program is executed by processor 1004：Receive described The first resource instruction that one equipment of the core network is sent, the first resource instruction include N corresponding with the first access network A first access-in resource, N are the integer more than or equal to 1 and less than M；And/or it receives first equipment of the core network and sends Secondary resource instruction, Secondary resource instruction includes the second access net in the access network at least two type Corresponding P the second access-in resource of network；P is the integer more than or equal to 1 and less than M；Wherein, the sum of N and P is less than or waits In M.
Further, the preset synchronous condition can be in at least two data to be transmitted stream in the same time The variance that at least two data packets issued reach the time of recipient is less than threshold value synchronization time of threshold value.
Further, the access network of at least two type may include：LTE accesses network, WiFi accesses network, WCDMA accesses network, CDMA is accessed at least two in network.
In practical applications, processor can be by central processing unit (the Central Processing in terminal Unit, CPU), microprocessor (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor, DSP) or field programmable gate array (Field Programmable Gate Array, FPGA) etc. realize.
The terminal of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1 to Fig. 8, realize former Reason is similar with technical effect, and details are not described herein again.
The embodiment of the present invention provides a kind of equipment of the core network, and Figure 11 is the one of equipment of the core network provided in an embodiment of the present invention The optional structural schematic diagram of kind, the equipment of the core network are the first equipment of the core network 110, and as shown in figure 11, the first core net is set Standby 110 include transceiver module 1101.
Second transceiver module 1101, for receiving the resource request of first terminal transmission, the resource request is for requesting At least two access-in resources；At least two access-in resource is used for transmission at least two data to be transmitted streams, and described at least two Meet preset synchronous condition between a data to be transmitted stream
Second transceiver module 1101 is also used to send resource instruction to the first terminal, and the resource instruction is for referring to Show that the first terminal passes through at least two data to be transmitted streams described in the access network transmission of at least two types, a seed type Access network correspond at least one data to be transmitted stream.
In embodiments of the present invention, optionally, the corresponding access network of first equipment of the core network is described at least two The first access network in the access network of seed type；At least two data to be transmitted stream is M data to be transmitted stream, institute The access network for stating at least two types is M access network；The resource request transmits the M number to be transmitted for requesting According to M access-in resource of stream；M is the integer more than or equal to 2.Then the second transceiver module 1101 is specifically used for：Eventually to described first End sends first resource instruction, and the first resource instruction includes that N number of first access corresponding with the first access network provides Source, N are the integer more than or equal to 1 and less than M；And/or Secondary resource instruction is sent to the first terminal, described the The instruction of two resources includes that P second access corresponding with the second access network of at least two type accessed in network provides Source；P is the integer more than or equal to 1 and less than M；Wherein, N and P's and be less than or equal to M.
In embodiments of the present invention, optionally, the second equipment of the core network corresponds to the second access network；Then the second transmitting-receiving Module 1101 is specifically used for after the resource request that the first equipment of the core network obtains that first terminal is sent, to second core Net equipment, which is sent, shunts resource request, and the shunting resource request is transmitted in at least two data to be transmitted stream for requesting Part data to be transmitted stream the second access-in resource；The corresponding access network of second access-in resource is second access Network；And the shunting resource instruction that second equipment of the core network is sent is received, the shuntings resource instruction includes described the Two access-in resources.
The equipment of the core network of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 3 to Fig. 6, The realization principle and technical effect are similar, and details are not described herein again.
In practical applications, the first equipment of the core network shown in Figure 11 can also use a kind of optional embodiment.
Figure 12 is another structural schematic diagram of equipment of the core network provided in an embodiment of the present invention, as shown in figure 12, first Equipment of the core network 110 includes memory 1203, processor 1204, and is stored on memory 1003 and can be on processor 1204 The data distributing program (not shown) of operation, processor 1204 realize following steps when executing described program：
The resource request that first terminal is sent is received, the resource request is for requesting at least two access-in resources；It is described At least two access-in resources are used for transmission at least two data to be transmitted streams, meet between at least two data to be transmitted stream Preset synchronous condition；Resource instruction is sent to the first terminal, it is logical that the resource instruction is used to indicate the first terminal At least two data to be transmitted stream described in the access network transmission of at least two types is crossed, a type of access network is corresponding extremely Few data to be transmitted stream.
First equipment of the core network 110 can also include interface 1201, and bus 1202, the interface, memory and processor are logical It crosses bus to be connected, wherein interface 1201 can be used for establishing with terminal 110 and communicate to connect.Wherein, interface can be wired biography Defeated interface, wireless transmission interface.Illustratively, interface can be transmitting or receiving antenna, be also possible to by being integrated in digital electricity What the program module in path processor was realized.Optionally, interface 1201 can be used for the access net with first equipment of the core network Communication connection is established in the corresponding base station of network type, and is communicated by base station with terminal.
Further, the corresponding access network of first equipment of the core network is the access network of at least two type In first access network；At least two data to be transmitted stream is M data to be transmitted stream, at least two type Access network is M access network；The resource request is used to request to transmit the M access money of the M data to be transmitted stream Source；M is the integer more than or equal to 2；The processor reads the instruction and is also used to：First resource is sent to the first terminal to refer to Show, the first resource instruction includes N number of first access-in resource corresponding with the first access network, and N is to be greater than or wait In 1 and be less than M integer；And/or send Secondary resource instruction to the first terminal, Secondary resource instruction include with Corresponding P the second access-in resource of the second access network in the access network of at least two type；P is to be greater than or wait In 1 and be less than M integer；Wherein, N and P's and be less than or equal to M.
Further, the second equipment of the core network corresponds to the second access network；The processor reads the instruction and is also used to After obtaining the resource request that first terminal is sent, is sent to second equipment of the core network and shunt resource request, described point Stream resource request is used to request to transmit the second access of the part data to be transmitted stream in at least two data to be transmitted stream Resource；The corresponding access network of second access-in resource is the second access network；Receive second equipment of the core network The shunting resource of transmission indicates that the shunting resource instruction includes second access-in resource.
In practical applications, processor can be by the central processing unit (Central in equipment of the core network Processing Unit, CPU), microprocessor (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor, DSP) or field programmable gate array (Field Programmable Gate Array, FPGA) etc. realize.
The equipment of the core network of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 4 to Fig. 8, The realization principle and technical effect are similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of equipment of the core network, and Figure 13 is equipment of the core network provided in an embodiment of the present invention Another optional structural schematic diagram, the equipment of the core network are the second equipment of the core network, and as shown in figure 13, the second core net is set Standby 130 include transceiver module 1301.
Third transceiver module 1301, for obtaining the shunting resource request of the first equipment of the core network transmission, the shunting money Source request is for requesting the access-in resource of the part data to be transmitted stream at least two data to be transmitted streams of transmission；It is described at least Two data to be transmitted streams meet preset synchronous condition；The corresponding type for accessing network of second equipment of the core network and institute The type for stating the corresponding access network of the first equipment of the core network is different.
Third transceiver module 1301 is also used to send shunting resource instruction, the shunting to first equipment of the core network Resource instruction includes corresponding second access-in resource of corresponding with second equipment of the core network access network.
The equipment of the core network of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 4 to Fig. 8, The realization principle and technical effect are similar, and details are not described herein again.
In practical applications, terminal shown in Figure 13 can also use a kind of optional embodiment.
Figure 14 is the yet another construction schematic diagram of equipment of the core network provided in an embodiment of the present invention, as shown in figure 14, second Equipment of the core network 130 includes memory 1403, and processor 1404, and is stored on memory 1403 and can be in processor 1404 The data distributing program (not shown) of upper operation, processor 1404 realize following steps when executing described program：
The shunting resource request of the first equipment of the core network transmission is obtained, the shunting resource request is for requesting transmission at least The access-in resource of part data to be transmitted stream in two data to be transmitted streams；At least two data to be transmitted stream meets pre- If synchronous condition；The corresponding type for accessing network of second equipment of the core network is corresponding with first equipment of the core network The type for accessing network is different；It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes Corresponding second access-in resource of corresponding with second equipment of the core network access network.
Second equipment of the core network 130 can also include interface 1401, and bus 1402, the interface, memory and processor are logical It crosses bus to be connected, wherein interface 1401 can be used for establishing with the first equipment of the core network 110 and communicate to connect.Wherein, interface can To be wire transmission interface, wireless transmission interface.Illustratively, interface can be transmitting or receiving antenna, be also possible to by collecting It is realized at the program module in digital circuit processor.Optionally, interface 1401 can be used for setting with second core net Communication connection is established in the corresponding base station of standby access network type, and is communicated by base station with terminal 90.
In practical applications, processor can be by the central processing unit (Central in equipment of the core network Processing Unit, CPU), microprocessor (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor, DSP) or field programmable gate array (Field Programmable Gate Array, FPGA) etc. realize.
The equipment of the core network of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 4 to Fig. 8, The realization principle and technical effect are similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of storage medium, is stored with data distributing program, wherein the data transmit journey Sequence is configured to：
Obtain the candidate access networks of at least two types；Business data flow to be transmitted is drawn according to service quality rating It is divided at least two data to be transmitted streams；Meet preset synchronous condition between at least two data to be transmitted stream；According to The service quality rating of each data to be transmitted stream determines that each data to be transmitted stream is corresponding from the candidate access networks Access network；Pass through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
The other technologies solution details of the embodiment of the present invention and technical effect with it is above-mentioned similar with terminal related embodiment, this Place repeats no more.
The embodiment of the present invention also provides another storage medium, is stored with data distributing program, wherein the data transmission Program is configured to：
The resource request that first terminal is sent is received, the resource request is for requesting at least two access-in resources；It is described At least two access-in resources are used for transmission at least two data to be transmitted streams, meet between at least two data to be transmitted stream Preset synchronous condition；
Resource instruction is sent to the first terminal, the resource instruction is used to indicate the first terminal by least two At least two data to be transmitted streams described in the access network transmission of seed type, a type of access network correspond at least one and wait for Transmitting data stream.
The other technologies solution details and technical effect of the embodiment of the present invention are related to above-mentioned first equipment of the core network to be implemented Example is similar, and details are not described herein again.
The embodiment of the present invention also provides another storage medium, is stored with data distributing program, wherein the data transmission Program is configured to：
The shunting resource request of the first equipment of the core network transmission is obtained, the shunting resource request is for requesting transmission at least The access-in resource of part data to be transmitted stream in two data to be transmitted streams；At least two data to be transmitted stream meets pre- If synchronous condition；The corresponding type for accessing network of second equipment of the core network is corresponding with first equipment of the core network The type for accessing network is different；
It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes and second core Corresponding second access-in resource of the corresponding access network of heart net equipment.
The other technologies solution details and technical effect of the embodiment of the present invention are related to above-mentioned second equipment of the core network to be implemented Example is similar, and details are not described herein again.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this kind of process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (25)

1. a kind of data transmission method, which is characterized in that the method includes：
Terminal obtains the candidate access networks of at least two types；
Business data flow to be transmitted is divided at least two data to be transmitted streams according to service quality rating by the terminal；Institute It states and meets preset synchronous condition between at least two data to be transmitted streams；
The terminal according to the service quality rating of each data to be transmitted stream, determined from the candidate access networks it is each to The corresponding access network of transmitting data stream；
The terminal passes through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
2. the method according to claim 1, wherein at least two data to be transmitted stream is in video calling Audio data stream and video image data stream.
3. the method according to claim 1, wherein the service quality etc. according to each data to be transmitted stream Grade determines the corresponding access network of each data to be transmitted stream from the candidate access networks, including：
The terminal is according to the service ability grade of various types of candidate access networks to the candidate of at least two type Access network sequence；
The terminal successively connects each data to be transmitted stream according to grade at least two type from high to low Enter network one-to-one correspondence, obtains the corresponding access network of each data to be transmitted stream.
4. the method according to claim 1, wherein the terminal obtains the candidate access network of at least two types Network, including：
The terminal obtains at least two access-in resources；At least two access-in resource corresponds to connecing at least two type Enter network, the corresponding access network of any access-in resource；
According at least two access-in resource, at least two candidate access networks are determined.
5. according to the method described in claim 4, it is characterized in that, the terminal obtain at least two access-in resources, including：
The terminal sends resource request to the first equipment of the core network, and the resource request is for requesting transmission described at least two At least two access-in resources of data to be transmitted stream；The corresponding access network of first equipment of the core network is described at least two The first access network in the access network of type；
The terminal receives the resource instruction that first equipment of the core network is sent, and the resource instruction is used to indicate the terminal Pass through at least two data to be transmitted stream of access network transmission of at least two types.
6. according to the method described in claim 5, being provided it is characterized in that, being sent in the terminal to first equipment of the core network Before the request of source, including：
The terminal sends Multi net voting access capability information, the Multi net voting access capability information to first equipment of the core network Indicate the ability that the terminal has the second access network in the access network of access at least two type.
7. according to the method described in claim 5, it is characterized in that, the access network of at least two type further includes second Access network；
Then the terminal sends resource request to the first equipment of the core network, including：
Terminal sends first resource request to first equipment of the core network, and the first resource request is for requesting at least one First access-in resource, first access-in resource correspond to the first access network；
Terminal sends Secondary resource request to first equipment of the core network, and the Secondary resource request is for requesting at least one Second access-in resource, second access-in resource correspond to the second access network.
8. according to the method described in claim 5, it is characterized in that, at least two data to be transmitted stream is M to be transmitted Data flow, the access network of at least two type are M access network；M is the integer more than or equal to 2；The resource is asked Seek the M access-in resource for requesting to transmit the M data to be transmitted stream；
The terminal receives the resource instruction that first equipment of the core network is sent, including：
The terminal receives the first resource instruction that first equipment of the core network is sent, and the first resource instruction includes and institute Corresponding N number of first access-in resource of the first access network is stated, N is the integer more than or equal to 1 and less than M；And/or
The terminal receives the Secondary resource instruction that first equipment of the core network is sent, and the Secondary resource instruction includes and institute State corresponding P the second access-in resource of the second access network in the access network of at least two types；P be more than or equal to 1 and be less than M integer；
Wherein, N and P's and be less than or equal to M.
9. the method according to claim 1, wherein the preset synchronous condition is described at least two to be passed The variance for reaching the time of recipient in transmission of data stream at least two data packets that the same time issues is less than the synchronization of threshold value Time threshold.
10. the method according to claim 1, wherein the access network of at least two type includes：For a long time Evolution LTE access network, Wireless Fidelity WiFi access network, wideband code division multiple access WCDMA access network, CDMA CDMA connect Enter at least two in network.
11. a kind of data transmission method, including：
First equipment of the core network receives the resource request that first terminal is sent, and the resource request is for requesting at least two accesses Resource；At least two access-in resource is used for transmission at least two data to be transmitted streams, at least two data to be transmitted Meet preset synchronous condition between stream；
First equipment of the core network sends resource instruction to the first terminal, and the resource instruction is used to indicate described first At least two data to be transmitted streams described in the access network transmission that terminal passes through at least two types, a type of access network At least one corresponding data to be transmitted stream.
12. according to the method for claim 11, which is characterized in that the corresponding access network of first equipment of the core network is The first access network in the access network of at least two type；
At least two data to be transmitted stream is M data to be transmitted stream, and the access network of at least two type is M Access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M be more than or equal to 2 integer；
Then first equipment of the core network sends resource instruction to the first terminal, including：
First equipment of the core network sends first resource instruction to the first terminal, and the first resource instruction includes and institute Corresponding N number of first access-in resource of the first access network is stated, N is the integer more than or equal to 1 and less than M；And/or
First equipment of the core network sends Secondary resource instruction to the first terminal, and the Secondary resource instruction includes and institute State corresponding P the second access-in resource of the second access network in the access network of at least two types；P be more than or equal to 1 and be less than M integer；
Wherein, N and P's and be less than or equal to M.
13. according to the method for claim 12, which is characterized in that the second equipment of the core network corresponds to the second access net Network；
Then after the resource request that the first equipment of the core network obtains that first terminal is sent, including：
First equipment of the core network is sent to second equipment of the core network shunts resource request, and the shunting resource request is used The second access-in resource of the part data to be transmitted stream in at least two data to be transmitted stream is transmitted in request；Described second The corresponding access network of access-in resource is the second access network；
The shunting resource instruction that second equipment of the core network is sent is received, the shunting resource instruction includes second access Resource.
14. a kind of data transmission method, including：
Second equipment of the core network obtains the shunting resource request that the first equipment of the core network is sent, and the shunting resource request is for asking Seek the access-in resource of the part data to be transmitted stream at least two data to be transmitted streams of transmission；At least two number to be transmitted Meet preset synchronous condition according to stream；The corresponding type and first core net for accessing network of second equipment of the core network The type of the corresponding access network of equipment is different；
Second equipment of the core network is sent to first equipment of the core network shunts resource instruction, the shunting resource instruction packet Include corresponding second access-in resource of corresponding with second equipment of the core network access network.
15. a kind of terminal, which is characterized in that the terminal includes：
First transceiver module is configured to obtain the candidate access networks of at least two types；
Processing module is configured to that business data flow to be transmitted is divided at least two numbers to be transmitted according to service quality rating According to stream；Meet preset synchronous condition between at least two data to be transmitted stream；It is additionally configured to according to each number to be transmitted According to the service quality rating of stream, the corresponding access network of each data to be transmitted stream is determined from the candidate access networks；
First transceiver module, be additionally configured to by the corresponding access network transmission of each data to be transmitted stream it is each it is described to Transmitting data stream.
16. terminal according to claim 15, which is characterized in that the processor is additionally configured to：
According to the service ability grade of various types of candidate access networks to the candidate access networks of at least two type Sequence；
Each data to be transmitted stream according to grade from high to low successively with the access network of at least two type one by one It is corresponding, obtain the corresponding access network of each data to be transmitted stream.
17. a kind of equipment of the core network, the equipment of the core network is the first equipment of the core network, and first equipment of the core network includes：
Second transceiver module is configured to receive the resource request that first terminal is sent, and the resource request is for requesting at least two A access-in resource；At least two access-in resource is used for transmission at least two data to be transmitted streams, and described at least two is to be passed Meet preset synchronous condition between transmission of data stream；
Second transceiver module is additionally configured to send resource instruction to the first terminal, and the resource instruction is used to indicate At least two data to be transmitted streams described in the access network transmission that the first terminal passes through at least two types, it is a type of Access network corresponds at least one data to be transmitted stream.
18. equipment of the core network according to claim 17, which is characterized in that the corresponding access of first equipment of the core network Network is the first access network in the access network of at least two type；
At least two data to be transmitted stream is M data to be transmitted stream, and the access network of at least two type is M Access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M be more than or equal to 2 integer；
Then the second transceiver module concrete configuration is：
First resource instruction is sent to the first terminal, the first resource instruction includes corresponding with the first access network N number of first access-in resource, N be more than or equal to 1 and be less than M integer；And/or
To the first terminal send Secondary resource instruction, Secondary resource instruction includes connecing at least two type Enter corresponding P the second access-in resource of the second access network in network；P is the integer more than or equal to 1 and less than M；
Wherein, N and P's and be less than or equal to M.
19. a kind of equipment of the core network, the equipment of the core network is the second equipment of the core network, and second equipment of the core network includes：
Third transceiver module is configured to obtain the shunting resource request that the first equipment of the core network is sent, the shunting resource request For requesting the access-in resource of the part data to be transmitted stream at least two data to be transmitted streams of transmission；Described at least two to Transmitting data stream meets preset synchronous condition；The corresponding type and described first for accessing network of second equipment of the core network The type of the corresponding access network of equipment of the core network is different；
It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes and second core net Corresponding second access-in resource of the corresponding access network of equipment.
20. a kind of terminal, which is characterized in that the terminal includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the processor Following steps are realized when executing described program：
Obtain the candidate access networks of at least two types；
Business data flow to be transmitted is divided at least two data to be transmitted streams according to service quality rating；Described at least two Meet preset synchronous condition between a data to be transmitted stream；
According to the service quality rating of each data to be transmitted stream, each data to be transmitted is determined from the candidate access networks Flow corresponding access network；
Pass through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
21. terminal according to claim 20, which is characterized in that further real when described program is executed by the processor Existing following steps：
According to the service ability grade of various types of candidate access networks to the candidate access networks of at least two type Sequence；
Each data to be transmitted stream according to grade from high to low successively with the access network of at least two type one by one It is corresponding, obtain the corresponding access network of each data to be transmitted stream.
22. a kind of equipment of the core network, which is characterized in that the equipment of the core network is the first equipment of the core network, first core Net equipment includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the processor Following steps are realized when executing described program：
The resource request that first terminal is sent is received, the resource request is for requesting at least two access-in resources；It is described at least Two access-in resources are used for transmission at least two data to be transmitted streams, meet between at least two data to be transmitted stream default Synchronous condition；
Resource instruction is sent to the first terminal, the resource instruction is used to indicate the first terminal and passes through at least two classes At least two data to be transmitted streams described in the access network transmission of type, it is to be transmitted that a type of access network corresponds at least one Data flow.
23. equipment of the core network according to claim 22, which is characterized in that the corresponding access of first equipment of the core network Network is the first access network in the access network of at least two type；
At least two data to be transmitted stream is M data to be transmitted stream, and the access network of at least two type is M Access network；The resource request is used to request to transmit M access-in resource of the M data to be transmitted stream；M be more than or equal to 2 integer；
Following steps are further realized when then described program is executed by the processor：
First resource instruction is sent to the first terminal, the first resource instruction includes corresponding with the first access network N number of first access-in resource, N be more than or equal to 1 and be less than M integer；And/or
To the first terminal send Secondary resource instruction, Secondary resource instruction includes connecing at least two type Enter corresponding P the second access-in resource of the second access network in network；P is the integer more than or equal to 1 and less than M；
Wherein, N and P's and be less than or equal to M.
24. a kind of equipment of the core network, which is characterized in that the equipment of the core network is the second equipment of the core network, second core Net equipment includes：
Memory, processor and storage on a memory and the data distributing program that can run on a processor, the processor Following steps are realized when executing described program：
The shunting resource request of the first equipment of the core network transmission is obtained, the shunting resource request is for requesting transmission at least two The access-in resource of part data to be transmitted stream in data to be transmitted stream；At least two data to be transmitted stream meets preset Synchronous condition；The corresponding type access corresponding with first equipment of the core network for accessing network of second equipment of the core network The type of network is different；
It is sent to first equipment of the core network and shunts resource instruction, the shunting resource instruction includes and second core net Corresponding second access-in resource of the corresponding access network of equipment.
25. a kind of storage medium, is stored with data distributing program, wherein the data distributing program is configured to：
Obtain the candidate access networks of at least two types；Business data flow to be transmitted is divided into according to service quality rating At least two data to be transmitted streams；Meet preset synchronous condition between at least two data to be transmitted stream；According to each The service quality rating of data to be transmitted stream determines the corresponding access of each data to be transmitted stream from the candidate access networks Network；Pass through each data to be transmitted stream of the corresponding access network transmission of each data to be transmitted stream.
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