CN105898794A - Device and method of transmitting data - Google Patents
Device and method of transmitting data Download PDFInfo
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- CN105898794A CN105898794A CN201610218857.XA CN201610218857A CN105898794A CN 105898794 A CN105898794 A CN 105898794A CN 201610218857 A CN201610218857 A CN 201610218857A CN 105898794 A CN105898794 A CN 105898794A
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- 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
-
- 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
- H04W28/08—Load balancing or load distribution
- H04W28/09—Management thereof
- H04W28/0925—Management thereof using policies
- H04W28/0933—Management thereof using policies based on load-splitting ratios
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- 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
- H04W28/08—Load balancing or load distribution
- H04W28/082—Load balancing or load distribution among bearers or channels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a data transmission device, which comprises an acquisition module, a shunt module and a transmission module, wherein the acquisition module is used for acquiring the data transmission ability of each data channel and the channel quality; the shunt module is used for calculating the transmission ability of each data channel based on the data transmission ability of each data channel and the channel quality and distributing a shunt ratio for each data channel based on each transmission ability; and the transmission module is used for judging whether the type of the to-be-transmitted data service is a preset service type when the to-be-transmitted data service exists, distributing the to-be-transmitted data service to each data channel for transmission according to the shunt ratio if yes, or otherwise, distributing the to-be-transmitted data service to a default data channel for transmission. The invention also discloses a data transmission method. the data transmission rate of the mobile terminal can be improved.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of data transmission device and method.
Background technology
At present, the data service such as the mobile terminal such as mobile phone, panel computer connects typically by forms data passage
Connect corresponding network to be transmitted.Such as, for supporting the mobile terminal of Wi-Fi and LTE simultaneously, when with
When family uses the online of Wi-Fi data channel, mobile terminal acquiescence closes LTE data channel, only passes through Wi-Fi
Data channel transmitting data service；The most such as, for supporting the mobile terminal of LTE and WCDMA simultaneously,
User is only capable of selecting LTE data channel or the online of WCDMA data channel.But, along with society and
The development of technology, user is more and more higher to the requirement of the message transmission rate of mobile terminal, owing to forms data is led to
The transmission in road limits, and the message transmission rate of existing mobile terminal cannot meet user's request.
Summary of the invention
The present invention provides a kind of data transmission device and method, it is intended to improve the data transmission speed of mobile terminal
Rate.
For achieving the above object, the present invention provides a kind of data transmission device, described data transmission device
Including:
Acquisition module, for obtaining data transmission capabilities and the channel quality of each data channel；
Diverter module, calculates each institute for data transmission capabilities based on each described data channel and channel quality
State the transmittability of data channel, and be that each described data channel distributes split ratio based on each described transmittability
Example；
Transport module, for when available for transmission data service, it is judged that the type of described data to be transmitted business
Whether be pre-set business type, be then according to described shunt ratio by described data to be transmitted traffic assignments to each
Described data channel is transmitted, and otherwise described data to be transmitted traffic assignments is carried out to default data passage
Transmission.
Optionally, described acquisition module is additionally operable to, and sends data transmissions to the network of each described data channel
The solicited message of power, and receive each described data that each described network returns based on the described solicited message received
The data transmission capabilities of passage；And
Measure the channel quality of each described data channel, and by the channel quality measurements of each described data channel
Inverse as the channel quality of each described data channel.
Optionally, described diverter module is additionally operable to, and chooses each described data channel successively；And choosing number
During according to passage, using the data transmission capabilities of the data channel chosen and the product of channel quality as the number chosen
Transmittability according to passage；And continue to choose other data channel in order.
Optionally, described diverter module is additionally operable to, while for each described data channel distribution shunt ratio,
Current default data passage is updated to the data channel that in each described data channel, transmittability is maximum.
Optionally, described data transmission device also includes:
Correcting module, during transmitting described data to be transmitted business at described transport module, obtains
And the shunt ratio of each described data channel is modified by packet loss of based on each described data channel.
Additionally, for foregoing invention purpose, the present invention also provides for a kind of data transmission method, described data pass
Transmission method comprises the following steps:
Obtain data transmission capabilities and the channel quality of each data channel；
Data transmission capabilities based on each described data channel and channel quality calculate each described data channel
Transmittability, and be that each described data channel distributes shunt ratio based on each described transmittability；
When available for transmission data service, it is judged that whether the type of described data to be transmitted business is pre-set business
Type, is described data to be transmitted traffic assignments to be entered to each described data channel according to described shunt ratio
Row transmission, is otherwise transmitted described data to be transmitted traffic assignments to default data passage.
Optionally, the data transmission capabilities of each data channel of described acquisition and the step of channel quality include:
Send the solicited message of data transmission capabilities to the network of each described data channel, and receive each described net
The data transmission capabilities of each described data channel that network returns based on the described solicited message received；
Measure the channel quality of each described data channel, and by the channel quality measurements of each described data channel
Inverse as the channel quality of each described data channel.
Optionally, described data transmission capabilities based on each described data channel and channel quality calculate each described
The transmittability of data channel includes:
Choose each described data channel successively；
When choosing data channel, by the data transmission capabilities of data channel chosen and the product of channel quality
Transmittability as the data channel chosen；
Continue to choose other data channel in order.
Optionally, while for each described data channel distribution shunt ratio, following steps are also performed:
Current default data passage is updated to the data that in each described data channel, transmittability is maximum lead to
Road.
Optionally, described data transmission method, also include:
During transmitting described data to be transmitted business, obtain and packet loss based on each described data channel
The shunt ratio of each described data channel is modified by rate.
The data transmission device of present invention proposition and method, be applied to mobile terminal, by considering movement
The data transmission capabilities of each data channel of terminal and channel quality, in order to the transmission of each data channel of quantificational description
Ability, and according to the type of service of data to be transmitted business, carry out shunting screening.When needs shunt, will
Data to be transmitted traffic assignments is transmitted to each data channel, makes full use of the transmission energy of each data channel
Power, when need not shunting, is transmitted data to be transmitted traffic assignments to default data passage.This
The bright message transmission rate that can be greatly improved mobile terminal.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram of the mobile terminal realizing each embodiment of the present invention；
Fig. 2 is the high-level schematic functional block diagram of data transmission device preferred embodiment of the present invention；
Fig. 3 is the schematic flow sheet of data transmission method preferred embodiment of the present invention.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
The present invention.It should be noted that in the case of not conflicting, in embodiment in the present invention and embodiment
Feature can the most arbitrarily combine.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description
In, use the suffix of such as " module ", " parts " or " unit " for representing element only for being conducive to this
The explanation of invention, itself does not has specific meaning.Therefore, " module " can mixedly make with " parts "
With.
Mobile terminal can be implemented in a variety of manners.Such as, the mobile terminal described in the present invention can wrap
Include such as mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (individual digital
Assistant), PAD (panel computer), PMP (portable media player), guider etc., this area
Skilled artisan will appreciate that, in addition to being used in particular for the element of mobile purpose, according to the enforcement of the present invention
The structure of mode can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input block 120, use
Family input block 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, control
Device 180 processed and power subsystem 190 etc..Fig. 1 shows the mobile terminal with various assembly, but should manage
Solve be, it is not required that implement all assemblies illustrated.Can alternatively implement more or less of assembly.
Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and channel radio
Radio communication between communication system or network.Such as, wireless communication unit can include mobile communication module
111 and wireless Internet module 112 at least one.
Mobile communication module 111 send radio signals to base station (such as, access point, node B etc.),
In exterior terminal and server at least one and/or receive from it radio signal.Such radio
Signal can include voice call signal, video calling signal or according to text and/or Multimedia Message
The various types of data sent and/or receive.
Wireless Internet module 112 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can internal or
Externally it is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include WLAN (nothing
Line LAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (at a high speed
Downlink packets accesses) etc..
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include phase
Machine 121 and mike 122, camera 121 in Video Capture pattern or image capture mode by image capturing
Static images or the view data of video that device obtains process.Picture frame after process may be displayed on
On display unit 151.Picture frame after camera 121 processes can be stored in memorizer 160 (or other storage
Medium) in or be transmitted via wireless communication unit 110, two can be provided according to the structure of mobile terminal
Individual or more polyphaser 121.Mike 122 can be at telephone calling model, logging mode, speech recognition mode
Etc. operational mode receives sound (voice data) via mike, and can be by such acoustic processing
For voice data.Audio frequency (voice) data after process can be converted in the case of telephone calling model can
The form output of mobile communication base station it is sent to via mobile communication module 112.Mike 122 can be implemented respectively
The noise of type eliminates (or suppression) algorithm to eliminate (or suppression) in the process receiving and sending audio signal
The noise of middle generation or interference.
It is mobile whole to control that user input unit 130 can generate key input data according to the order of user's input
The various operations of end.User input unit 130 allows user to input various types of information, and can wrap
Include keyboard, metal dome, touch pad (such as, detection due to touched and cause resistance, pressure, electric capacity
Etc. the sensitive component of change), roller, rocking bar etc..Especially, fold as a layer when touch pad
When being added on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or
Closed mode), the position of mobile terminal 100, user is for the contact (that is, touch input) of mobile terminal 100
Presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and
And generate the order or signal being used for controlling the operation of mobile terminal 100.Such as, implement when mobile terminal 100
During for sliding-type mobile phone, sensing unit 140 can sense this sliding-type phone and open or close.
It addition, sensing unit 140 can detect whether whether power subsystem 190 provide electric power or interface unit 170
Couple with external device (ED).
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.
Such as, external device (ED) can include wired or wireless head-band earphone port, external power source (or battery charging
Device) port, wired or wireless FPDP, memory card port, there is the device of identification module for connecting
Port, audio frequency input/output (I/O) port, video i/o port, ear port etc..Identification module can
Be storage for verifying that user uses the various information of mobile terminal 100 and can include that user identifies mould
Block (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc..It addition, have
The device (hereinafter referred to as " identifying device ") of identification module can be to take the form of smart card, therefore, identifies dress
Put and can be connected with mobile terminal 100 via port or other attachment means.Interface unit 170 may be used for connecing
Receive from external device (ED) input (such as, data message, electric power etc.) and will receive input transmission
One or more elements in mobile terminal 100 or may be used between mobile terminal and external device (ED)
Transmission data.
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing to pass through
Its by electric power from base provide that the path of mobile terminal 100 or can serve as allows from base input each
Plant command signal and pass through its path being transferred to mobile terminal.From various command signals or the electric power of base input
May serve as identifying whether mobile terminal is accurately fitted within the signal on base.Output unit 150 quilt
Be configured to vision, audio frequency and/or tactile manner provide output signal (such as, audio signal, video signal,
Alarm signal, vibration signal etc.).Output unit 150 can include that display unit 151, audio frequency export mould
Block 152 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, when mobile terminal 100
When being in telephone calling model, display unit 151 can show with call or other communicate that (such as, text disappears
Breath transmitting-receiving, multimedia file download etc.) relevant user interface (UI) or graphic user interface (GUI).When
When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can show catches
The image obtained and/or the image of reception, UI or GUI demonstrating video or image and correlation function etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another to form touch screen time, aobvious
Show that unit 151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display
(LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexibility show
Show at least one in device, three-dimensional (3D) display etc..Some in these display may be constructed such that
Transparence is to allow user to watch from outside, and this is properly termed as transparent display, and typical transparent display can
With for example, TOLED (transparent organic light emitting diode) display etc..According to the specific embodiment party wanted
Formula, mobile terminal 100 can include two or more display units (or other display device), such as, mobile
Terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for
Detect touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can be in call signal at mobile terminal and receive pattern, call mode, note
Time under the isotypes such as record pattern, speech recognition mode, broadcast reception mode, wireless communication unit 110 is connect
Receive or in memorizer 160 storage voice data transducing audio signal and be output as sound.And,
Dio Output Modules 152 can provide the audio frequency output (example relevant to the specific function of mobile terminal 100 execution
As, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can include raising one's voice
Device, buzzer etc..
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc.,
For example, it is possible to storage realizes the software program of data transmission method of the present invention, or can temporarily store oneself
Through the data (such as, telephone directory, message, still image, video etc.) that output maybe will export.And,
Memorizer 160 can be to store vibration and the audio frequency of the various modes about exporting when touching and being applied to touch screen
The data of signal.
Memorizer 160 can include the storage medium of at least one type, described storage medium include flash memory,
Hard disk, multimedia card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device
(RAM), static random-access memory (SRAM), read only memory (ROM), electrically erasable
Read only memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, light
Dish etc..And, mobile terminal 100 can be connected the storage function of execution memorizer 160 with by network
Network storage device cooperates.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs to lead to voice
Control that words, data communication, video calling etc. are relevant and process.Controller 180 can perform pattern to be known
Other places are managed, so that the handwriting input performed on the touchscreen or picture drafting input are identified as character or figure
Picture.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides behaviour
Make the suitable electric power needed for each element and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any combination
Computer-readable medium implement.Implementing for hardware, embodiment described herein can be by using
Application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD),
Programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller
Device, microprocessor, it is designed to perform at least one in the electronic unit of function described herein and implements,
In some cases, such embodiment can be implemented in controller 180.Software is implemented, all
Embodiment such as process or function can perform at least one function or the single software of operation with permission
Module is implemented.Software code can by write with any suitable programming language software application (or
Program) to implement, software code can be stored in memorizer 160 and be performed by controller 180.
Based on above-mentioned mobile terminal hardware configuration, the preferred embodiment of data transmission device of the present invention is proposed.
With reference to Fig. 2, in the preferred embodiment of data transmission device of the present invention, this data transmission device includes:
Acquisition module 10, for obtaining data transmission capabilities and the channel quality of each data channel；
Diverter module 20, calculates each number for data transmission capabilities based on each data channel and channel quality
According to the transmittability of passage, and it is that each data channel distributes shunt ratio based on each transmittability calculated；
Transport module 30, for when available for transmission data service, it is judged that the type of data to be transmitted business
Whether be pre-set business type, be then according to shunt ratio by data to be transmitted traffic assignments to each data channel
It is transmitted, otherwise data to be transmitted traffic assignments is transmitted to default data passage.
It should be noted that the data transmission device that the present invention proposes is based on running of mobile terminal.
Owing to different types of service is different to the requirement of mobile terminal or network data transmission ability, example
As, data to be transmitted business is the small documents of text type, then there is no need to enter this data to be transmitted business
Row shunting, because server and terminal are required for data distribution is produced certain expense.These expenses include
Server needs business datum is separated business datum according to some algorithm, and mobile terminal needs to utilize these
Business datum is merged by algorithm, and mobile terminal also needs to mistake on process multiple data channel etc. simultaneously.Cause
This, it is presently believed that for small documents such as texts, it is not necessary to shunting.And for big file, such as picture,
Videos etc., the data volume generally required is bigger.Now in order to promote speed, need data are shunted.
Based on foregoing description, data service distribution is simplified to following algorithm by the present embodiment:
If now mobile terminal opens n data channel, such as, mobile terminal opens simultaneously
WCDMA (Wideband Code Division Multiple Access, WCDMA) data channel
With LTE (Long Term Evolution, Long Term Evolution) data channel.
For inquiring about the data transmission capabilities of network, acquisition module 10 needs the network in each data channel
Send solicited message, ask the data transmission capabilities of this network.Assume map network in each data channel
Data transmission capabilities is C1, C2 respectively ..., Cn.
Meanwhile, acquisition module 10 needs to measure each data channel map network channel quality now, false
If the channel quality now measured is q1, q2 respectively ..., qn.The channel quality measured due to heterogeneous networks may
Having different tolerance, the most in wcdma, we are generally with RSCP (Received Signal Code
Power, received signal code power), usual RSRP (Reference Signal Receiving in LTE
Power, Reference Signal Received Power), and these value major parts are negative value, are i.e. worth the biggest, channel is more on the contrary
Difference.Therefore we take the inverse of above parameter, i.e. think that measuring the signal quality arrived is respectively
1/q1,1/q2,…,1/qn。
Then definition network transmittability now is respectively C1*1/q1, C2*1/q2 ..., Cn*1/qn.
For considering different types of service, need different types of service to be marked tag, by text class
The tag of type is labeled as 0, and the tag of the type such as multimedia, picture is labeled as 1.
The data service ratio that diverter module 20 distributes in each data channel is as follows:
δ >=1 in above formula.During above formula is expressed, if tag=0, i.e. transmit is small documents, then transmit mould
Block 30 selects default data channel transfer.If tag=1, the file i.e. transmitted is relatively big, then transport module
30 in each data channel, according to the ratio of network capacity, distributes data service.Wherein at δ
Can be arranged as required to, i.e. can distribute more data service in best data channel.
Meanwhile, diverter module 20 selects data channel x that in each data channel, transmittability is maximum,
X=max{C1*1/q1 ..., Cx*1/qx ..., Cn*1/qn}, current default data passage is updated to each data
Data channel x that in passage, transmittability is maximum.
For realizing data above method for distributing business, need to arrange the transmission of corresponding data at server and terminal
Device.Wherein, the data transmission device major function of end side is as follows:
(1) periodically collect the mobile terminal measurement result to each data channel map network, and remember
Carry；
(2) periodically to this network data transmission ability of network challenge, and record；
(3) transmittability of each data channel can be calculated, and calculate shunt ratio, and periodically
Shunt ratio is sent to the data transmission device of server；
(4) type of service is judged, it is possible to judge that the file that will transmit at present is what kind of file；
(5) according to type of service, shunt.If the i.e. tag=0 of type of service, then select acquiescence number
Send according to passage or receive data.If the tag=1 of type of service, then shunt according to shunt ratio.
The major function of the data transmission device of server side is as follows:
(1) the data distribution ratio that end side reports it is able to receive that；
(2) type of service is judged, it is possible to judge that the file that will transmit at present is what kind of file；
(3) according to type of service, shunt.If the i.e. tag=0 of type of service, then select acquiescence number
Send according to passage or receive data.If the tag=1 of type of service, then shunt according to shunt ratio.
Concrete, diverter module 20, after for each data channel distribution shunt ratio, passes through transport module
The shunt ratio of each data channel is sent to server by 30.
In the present embodiment, it is assigned shunt ratio in each data channel and receives the to be passed of pre-set business type
During transmission of data business, transport module 30 is according to shunt ratio corresponding to each data channel, by data to be transmitted
Traffic assignments is transmitted to each data channel.Due to data to be transmitted business include data service to be received and
Data service to be sent, transport module 30 is when the shunting carrying out business to be transmitted is transmitted, according to be transmitted
The transport-type of data service is different, and concrete transmission operation is different.
Concrete, when the data to be transmitted business of the pre-set business type of mobile terminal reception is data to be sent
During business, data to be transmitted traffic assignments is entered to each data channel by transport module 30 according to each shunt ratio
Row sends, to send to described server, such as, mobile terminal currently open LTE data channel,
WCDMA data channel and Wi-Fi data channel, and the shunt ratio of aforementioned each data channel is followed successively by
30%, 20% and 50%, when receiving the data to be transmitted business that data volume is 100M, transport module
The data of 30M in data to be transmitted business are assigned to LTE data channel by 30 to be transmitted, by be transmitted
In data service, the data of 20M are assigned to WCDMA data channel and are transmitted, by data to be transmitted industry
In business, the data of 50M are assigned to Wi-Fi data channel and are transmitted, accordingly, server merge its from
The data to be transmitted business that aforementioned each data channel receives.
When the data to be transmitted business of the pre-set business type that mobile terminal receives is data service to be received,
Transport module 30 receives the data to be transmitted industry that server is sent by each data channel according to each shunt ratio
Business.Such as, LTE data channel, WCDMA data channel and the Wi-Fi number that diverter module 20 reports
It is respectively 30%, 20% and 50% according to the shunt ratio of passage, when there being the data to be transmitted business of 100M,
The data of 30M in data to be transmitted business are assigned to LTE data channel and are transmitted by server, will treat
In transmitting data service, the data of 20M are assigned to WCDMA data channel and are transmitted, by number to be transmitted
It is assigned to Wi-Fi data channel according to the data of 50M in business be transmitted, accordingly, transport module 30
Merge its data to be transmitted business received from aforementioned each data channel.
Further, in the present embodiment, this data transmission device also includes correcting module, in transmission
During module 30 transmits data to be transmitted business, obtain and packet loss based on each data channel is to respectively
The shunt ratio of data channel is modified.
It should be noted that network environment is ever-changing, and carrier network usually user provides mutually
The access service of networking, mobile terminal, after sending data, needs carrier network via the Internet transmission extremely
Destination server, data transmission between carrier network and the Internet is affected by various factors, at this
In embodiment, packet loss is used to describe data influence in transmitting procedure.
In the present embodiment, when transport module 30 transmits data to be transmitted business, correcting module is to each data
The packet loss of passage is added up, and is compared with default packet loss by the packet loss of each data channel of statistics
Relatively, according to the shunt ratio of each data channel of comparative result correction.Concrete, with " when losing of data channel
Bag rate, more than when presetting packet loss, reduces the shunt ratio of this data channel；When the packet loss of data channel is little
When default packet loss, increase the shunt ratio of this data channel " it is purport, with " each data after adjustment
The shunt ratio of passage is 1 with value " for limiting, carry out the correction of shunt ratio.By each data are led to
The shunt ratio in road is revised in real time, to avoid networking fluctuation that data are transmitted the impact caused.
The data transmission device that the present embodiment proposes, is applied to mobile terminal, by considering mobile terminal
The data transmission capabilities of each data channel and channel quality, in order to the transmission energy of each data channel of quantificational description
Power, and according to the type of service of data to be transmitted business, carry out shunting screening.When needs shunt, will treat
Transmitting data service distribution is transmitted to each data channel, makes full use of the transmittability of each data channel,
When need not shunting, data to be transmitted traffic assignments is transmitted to default data passage.Energy of the present invention
Enough it is greatly improved the message transmission rate of mobile terminal.
Further, present invention also offers a kind of data transmission method, combine reference Fig. 2 and Fig. 3,
In the preferred embodiment of data transmission method of the present invention, this data transmission method includes:
Step S10, obtains data transmission capabilities and the channel quality of each data channel；
Step S20, data transmission capabilities based on each data channel and channel quality calculate each data channel
Transmittability, and be that each data channel distributes shunt ratio based on each transmittability calculated；
Step S30, when available for transmission data service, it is judged that whether the type of data to be transmitted business is pre-
If type of service, it is according to shunt ratio, data to be transmitted traffic assignments to be passed to each data channel
Defeated, otherwise data to be transmitted traffic assignments is transmitted to default data passage.
It should be noted that the data transmission device that the data transmission method of present invention offer is as shown in Figure 2 is held
OK, this transmission of data transmitting device is based on running of mobile terminal.
Owing to different types of service is different to the requirement of mobile terminal or network data transmission ability, example
As, data to be transmitted business is the small documents of text type, then there is no need to enter this data to be transmitted business
Row shunting, because server and terminal are required for data distribution is produced certain expense.These expenses include
Server needs business datum is separated business datum according to some algorithm, and mobile terminal needs to utilize these
Business datum is merged by algorithm, and mobile terminal also needs to mistake on process multiple data channel etc. simultaneously.Cause
This, it is presently believed that for small documents such as texts, it is not necessary to shunting.And for big file, such as picture,
Videos etc., the data volume generally required is bigger.Now in order to promote speed, need data are shunted.
Based on foregoing description, data service distribution is simplified to following algorithm by the present embodiment:
If now mobile terminal opens n data channel, such as, mobile terminal opens simultaneously
WCDMA (Wideband Code Division Multiple Access, WCDMA) data channel
With LTE (Long Term Evolution, Long Term Evolution) data channel.
For inquiring about the data transmission capabilities of network, acquisition module 10 needs the network in each data channel
Send solicited message, ask the data transmission capabilities of this network.Assume map network in each data channel
Data transmission capabilities is C1, C2 respectively ..., Cn.
Meanwhile, acquisition module 10 needs to measure each data channel map network channel quality now, false
If the channel quality now measured is q1, q2 respectively ..., qn.The channel quality measured due to heterogeneous networks may
Having different tolerance, the most in wcdma, we are generally with RSCP (Received Signal Code
Power, received signal code power), usual RSRP (Reference Signal Receiving in LTE
Power, Reference Signal Received Power), and these value major parts are negative value, are i.e. worth the biggest, channel is more on the contrary
Difference.Therefore we take the inverse of above parameter, i.e. think that measuring the signal quality arrived is respectively
1/q1,1/q2,…,1/qn。
Then definition network transmittability now is respectively C1*1/q1, C2*1/q2 ..., Cn*1/qn.
For considering different types of service, need different types of service to be marked tag, by text class
The tag of type is labeled as 0, and the tag of the type such as multimedia, picture is labeled as 1.
The data service ratio that diverter module 20 distributes in each data channel is as follows:
δ >=1 in above formula.During above formula is expressed, if tag=0, i.e. transmit is small documents, then transmit mould
Block 30 selects default data channel transfer.If tag=1, the file i.e. transmitted is relatively big, then transport module
30 in each data channel, according to the ratio of network capacity, distributes data service.Wherein at δ
Can be arranged as required to, i.e. can distribute more data service in best data channel.
Meanwhile, diverter module 20 selects data channel x that in each data channel, transmittability is maximum,
X=max{C1*1/q1 ..., Cx*1/qx ..., Cn*1/qn}, current default data passage is updated to each data
Data channel x that in passage, transmittability is maximum.
For realizing data above method for distributing business, need to arrange the transmission of corresponding data at server and terminal
Device.Wherein, the data transmission device major function of end side is as follows:
(1) periodically collect the mobile terminal measurement result to each data channel map network, and remember
Carry；
(2) periodically to this network data transmission ability of network challenge, and record；
(3) transmittability of each data channel can be calculated, and calculate shunt ratio, and periodically
Shunt ratio is sent to the data transmission device of server；
(4) type of service is judged, it is possible to judge that the file that will transmit at present is what kind of file；
(5) according to type of service, shunt.If the i.e. tag=0 of type of service, then select acquiescence number
Send according to passage or receive data.If the tag=1 of type of service, then shunt according to shunt ratio.
The major function of the data transmission device of server side is as follows:
(1) the data distribution ratio that end side reports it is able to receive that；
(2) type of service is judged, it is possible to judge that the file that will transmit at present is what kind of file；
(3) according to type of service, shunt.If the i.e. tag=0 of type of service, then select acquiescence number
Send according to passage or receive data.If the tag=1 of type of service, then shunt according to shunt ratio.
Concrete, diverter module 20, after for each data channel distribution shunt ratio, passes through transport module
The shunt ratio of each data channel is sent to server by 30.
In the present embodiment, it is assigned shunt ratio in each data channel and receives the to be passed of pre-set business type
During transmission of data business, transport module 30 is according to shunt ratio corresponding to each data channel, by data to be transmitted
Traffic assignments is transmitted to each data channel.Due to data to be transmitted business include data service to be received and
Data service to be sent, transport module 30 is when the shunting carrying out business to be transmitted is transmitted, according to be transmitted
The transport-type of data service is different, and concrete transmission operation is different.
Concrete, when the data to be transmitted business of the pre-set business type of mobile terminal reception is data to be sent
During business, data to be transmitted traffic assignments is entered to each data channel by transport module 30 according to each shunt ratio
Row sends, to send to described server, such as, mobile terminal currently open LTE data channel,
WCDMA data channel and Wi-Fi data channel, and the shunt ratio of aforementioned each data channel is followed successively by
30%, 20% and 50%, when receiving the data to be transmitted business that data volume is 100M, transport module
The data of 30M in data to be transmitted business are assigned to LTE data channel by 30 to be transmitted, by be transmitted
In data service, the data of 20M are assigned to WCDMA data channel and are transmitted, by data to be transmitted industry
In business, the data of 50M are assigned to Wi-Fi data channel and are transmitted, accordingly, server merge its from
The data to be transmitted business that aforementioned each data channel receives.
When the data to be transmitted business of the pre-set business type that mobile terminal receives is data service to be received,
Transport module 30 receives the data to be transmitted industry that server is sent by each data channel according to each shunt ratio
Business.Such as, LTE data channel, WCDMA data channel and the Wi-Fi number that diverter module 20 reports
It is respectively 30%, 20% and 50% according to the shunt ratio of passage, when there being the data to be transmitted business of 100M,
The data of 30M in data to be transmitted business are assigned to LTE data channel and are transmitted by server, will treat
In transmitting data service, the data of 20M are assigned to WCDMA data channel and are transmitted, by number to be transmitted
It is assigned to Wi-Fi data channel according to the data of 50M in business be transmitted, accordingly, transport module 30
Merge its data to be transmitted business received from aforementioned each data channel.
Further, in the present embodiment, this data transmission device also includes correcting module, in transmission
During module 30 transmits data to be transmitted business, obtain and packet loss based on each data channel is to respectively
The shunt ratio of data channel is modified.
It should be noted that network environment is ever-changing, and carrier network usually user provides mutually
The access service of networking, mobile terminal, after sending data, needs carrier network via the Internet transmission extremely
Destination server, data transmission between carrier network and the Internet is affected by various factors, at this
In embodiment, packet loss is used to describe data influence in transmitting procedure.
In the present embodiment, when transport module 30 transmits data to be transmitted business, correcting module is to each data
The packet loss of passage is added up, and is compared with default packet loss by the packet loss of each data channel of statistics
Relatively, according to the shunt ratio of each data channel of comparative result correction.Concrete, with " when losing of data channel
Bag rate, more than when presetting packet loss, reduces the shunt ratio of this data channel；When the packet loss of data channel is little
When default packet loss, increase the shunt ratio of this data channel " it is purport, with " each data after adjustment
The shunt ratio of passage is 1 with value " for limiting, carry out the correction of shunt ratio.By each data are led to
The shunt ratio in road is revised in real time, to avoid networking fluctuation that data are transmitted the impact caused.
The data transmission method that the present embodiment proposes, is applied to mobile terminal, by considering mobile terminal
The data transmission capabilities of each data channel and channel quality, in order to the transmission energy of each data channel of quantificational description
Power, and according to the type of service of data to be transmitted business, carry out shunting screening.When needs shunt, will treat
Transmitting data service distribution is transmitted to each data channel, makes full use of the transmittability of each data channel,
When need not shunting, data to be transmitted traffic assignments is transmitted to default data passage.Energy of the present invention
Enough it is greatly improved the message transmission rate of mobile terminal.
It should be noted that in this article, term " includes ", " comprising " or its other variant any are intended to
Contain comprising of nonexcludability, so that include the process of a series of key element, method, article or device
Not only include those key elements, but also include other key element being not expressly set out, or also include for this
The key element that the process of kind, method, article or device are intrinsic.In the case of there is no more restriction, by language
Sentence " including one the ... " key element that limits, it is not excluded that include the process of this key element, method, article or
Person's device there is also other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-mentioned reality
Execute example method to add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part, but a lot of in the case of the former is more preferably embodiment.Based on such understanding, the technical side of the present invention
The part that prior art is contributed by case the most in other words can embody with the form of software product,
This computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), bag
Include some instructions with so that a station terminal equipment (can be mobile phone, computer, server, air-conditioner,
Or the network equipment etc.) perform the method described in each embodiment of the present invention.
For illustrative purposes, description above employs specific term, to provide thorough to the present invention
Understand.It will be apparent, however, to one skilled in the art, that in order to put into practice the present invention and be not required to
Want concrete details.The specific embodiment of the present invention described above be for purposes of illustration and description and in
Existing.They are not intended to detailed or limit the invention to disclosed precise forms.In view of religious doctrine above,
Many modifications and variations are possible.Principle and reality thereof in order to explain the present invention best are applied and are illustrated
And describe these embodiments so that others skilled in the art can utilize best the present invention and
There are the various embodiments of the various amendments being suitable to intended specific use.It is intended to the scope of the present invention by subsequently
Claim and its equivalent limit.
Claims (10)
1. a data transmission device, it is characterised in that described data transmission device includes:
Acquisition module, for obtaining data transmission capabilities and the channel quality of each data channel；
Diverter module, calculates each institute for data transmission capabilities based on each described data channel and channel quality
State the transmittability of data channel, and be that each described data channel distributes split ratio based on each described transmittability
Example；
Transport module, for when available for transmission data service, it is judged that the type of described data to be transmitted business
Whether be pre-set business type, be then according to described shunt ratio by described data to be transmitted traffic assignments to each
Described data channel is transmitted, and otherwise described data to be transmitted traffic assignments is carried out to default data passage
Transmission.
Data transmission device the most according to claim 1, it is characterised in that described acquisition module is also
For, send the solicited message of data transmission capabilities to the network of each described data channel, and receive each described
The data transmission capabilities of each described data channel that network returns based on the described solicited message received；And
Measure the channel quality of each described data channel, and by the channel quality measurements of each described data channel
Inverse as the channel quality of each described data channel.
Data transmission device the most according to claim 2, it is characterised in that described diverter module is also
For, choose each described data channel successively；And when choosing data channel, the data channel that will choose
Data transmission capabilities and the product of channel quality as the transmittability of the data channel chosen；And continue
Choose other data channel in order.
4. according to the data transmission device described in any one of claim 1-3, it is characterised in that described point
Flow module is additionally operable to, while for each described data channel distribution shunt ratio, by current default data
Passage is updated to the data channel that in each described data channel, transmittability is maximum.
5. according to the data transmission device described in any one of claim 1-3, it is characterised in that described number
Also include according to transmitting device:
Correcting module, during transmitting described data to be transmitted business at described transport module, obtains
And the shunt ratio of each described data channel is modified by packet loss of based on each described data channel.
6. a data transmission method, it is characterised in that described data transmission method comprises the following steps:
Obtain data transmission capabilities and the channel quality of each data channel；
Data transmission capabilities based on each described data channel and channel quality calculate each described data channel
Transmittability, and be that each described data channel distributes shunt ratio based on each described transmittability；
When available for transmission data service, it is judged that whether the type of described data to be transmitted business is pre-set business
Type, is described data to be transmitted traffic assignments to be entered to each described data channel according to described shunt ratio
Row transmission, is otherwise transmitted described data to be transmitted traffic assignments to default data passage.
Data transmission method the most according to claim 6, it is characterised in that each data of described acquisition
The data transmission capabilities of passage and the step of channel quality include:
Send the solicited message of data transmission capabilities to the network of each described data channel, and receive each described net
The data transmission capabilities of each described data channel that network returns based on the described solicited message received；
Measure the channel quality of each described data channel, and by the channel quality measurements of each described data channel
Inverse as the channel quality of each described data channel.
Data transmission method the most according to claim 7, it is characterised in that described based on each described
The data transmission capabilities of data channel and channel quality calculate the transmittability of each described data channel and include:
Choose each described data channel successively；
When choosing data channel, by the data transmission capabilities of data channel chosen and the product of channel quality
Transmittability as the data channel chosen；
Continue to choose other data channel in order.
9. according to the data transmission method described in any one of claim 6-8, it is characterised in that for each
While described data channel distribution shunt ratio, also perform following steps:
Current default data passage is updated to the data that in each described data channel, transmittability is maximum lead to
Road.
10. according to the data transmission method described in any one of claim 6-8, it is characterised in that described number
According to transmission method, also include:
During transmitting described data to be transmitted business, obtain and packet loss based on each described data channel
The shunt ratio of each described data channel is modified by rate.
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| WO2017173893A1 (en) | 2017-10-12 |
| CN105898794B (en) | 2019-07-26 |
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