CN104519075A - Data transmission method and device - Google Patents
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- CN104519075A CN104519075A CN201310444964.0A CN201310444964A CN104519075A CN 104519075 A CN104519075 A CN 104519075A CN 201310444964 A CN201310444964 A CN 201310444964A CN 104519075 A CN104519075 A CN 104519075A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
Abstract
The invention discloses a data transmission method. The method comprises: obtaining a data sending request; according to the data sending request, dividing data to be sent into multiple data packets; and selecting multiple available data transmission channels, and sending the data packets through the available data transmission channels in a parallel mode. The invention further discloses a data transmission device. Through parallel transmission of the data and automatic selection of the data transmission channels, the efficiency and the stability of data transmission are improved.
Description
Technical field
The present invention relates to mobile communication and computer realm, refer to a kind of data transmission method and equipment especially.
Background technology
In today of global mobile communication technology develop rapidly, communication equipment performance is had higher requirement, simultaneously along with the development of large data, large discharge information is with universal, particularly ADB(Android DebugBridge:Android debugs bridge), Wi-Fi, bluetooth and NFC(Near Field Communication: near-field communication) etc. the communication technology be tending towards ripe, PC(computer) and mobile phone between and between mobile phone and mobile phone efficient data information transfer and shared method also paid close attention to more and more widely.
By single transmission channel between communication equipment, such as Wi-Fi, ADB or bluetooth carry out the files such as transmission tone video, picture, document and there has been many ripe systems and scheme, such as FTP(File TransferProtocol: file transfer protocol (FTP)) file transfer, and also application layer is write also fairly simple.But the single channel that such scheme can be limited in transmission is closed or obstructing problem, cause the discontinuity of data transmission procedure, nor the transmission of the data such as except document such as mobile phone contact, note, schedule can be supported simultaneously and share, so limit the development of Related product to a certain extent.
Summary of the invention
The technical problem to be solved in the present invention is that a kind of data transmission method and equipment are by utilizing the feature of many communication ports between data transmission set, achieve the parallel transmission of data, and automatically data transmission channel be can select, high efficiency and the stability of transfer of data improve.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of data transmission method, comprising:
Obtain data sending request;
According to described data sending request, data to be sent are divided into multiple data subpackage;
Select multiple available data transfer passage, described data subpackage is sent by described available data transfer channel parallel.
Wherein, it is described that data to be sent to be divided into multiple data subpackage be carry out according to the form of packet, wherein, the form of described packet comprises: the total length of the original position of valid data, data, the length of data, side-play amount, check code, data type mark and data subpackage.
Wherein, described selection available data transfer passage, comprises the step that described data subpackage is sent by available data transfer channel parallel:
Priority level is selected to be much higher data transmission channel; Wherein, for high, described priority represents that described data transmission channel is idle condition;
Write the gap marker of each data transmission channel as heading in the data subpackage transmitted by this data transmission channel.
Wherein, be also comprise multiple data subpackage after high data transmission channel transmitted in parallel is gone out respectively by the plurality of priority level:
In the process that data subpackage sends, the priority level of Update Table transmission channel is low, and wherein, described priority level is low: represent that this data transmission channel is current and be in busy condition;
After data subpackage is sent completely, be high by the priority modification of multiple data transmission channel.
Embodiments of the invention also provide a kind of data transmission method, comprising:
Receive the multiple data subpackages by multiple data transmission channel transmitted in parallel;
The multiple data subpackages received are resolved, obtains the valid data after resolving;
By described valid data writing in files.
Wherein, the step that the multiple data subpackages received are resolved is comprised:
According to the data packet length in the heading of data subpackage and data total length, obtain valid data.
Wherein, said method also comprises:
To the valid data that obtain after resolving by gap marker, data type mark, check bit sum and the heading such as original position, side-play amount information, validity check is carried out to the size of data, type.
Embodiments of the invention also provide a kind of equipment, comprising:
Acquisition module, for obtaining data sending request;
Data send business module, for according to described data sending request, data to be sent are divided into multiple data subpackage;
Described data subpackage, from control module, for selecting multiple available data transfer passage, is sent by described available data transfer channel parallel by transfer of data.
Wherein, it is carry out according to the form of packet that data to be sent are divided into multiple data subpackage by described data transmission business module, wherein, the form of described packet comprises: the total length of the original position of data to be sent, data, the length of data, side-play amount, check code, data type mark and data subpackage.
Wherein, described transfer of data comprises from control module:
Channel selecting submodule, for selecting priority level to be much higher data transmission channel, wherein, for high, described priority represents that described data transmission channel is idle condition;
Header adds submodule, in the data subpackage that the write using the gap marker of each data transmission channel as heading is transmitted by this data transmission channel;
Send and control submodule, for being that high data transmission channel transmitted in parallel is gone out by multiple data subpackage respectively by the plurality of priority level, in the process that data subpackage sends, the priority level of Update Table transmission channel is low, wherein, to be that this data transmission channel of low expression is current be in busy condition to described priority level; And for after data subpackage is sent completely, be high by the priority modification of multiple data transmission channel.
Wherein, the said equipment also comprises:
Data receiver server module, for receiving the multiple data subpackages by multiple data transmission channel transmitted in parallel;
Data receiver business module, for resolving the multiple data subpackages received, obtains the valid data after resolving, by described valid data writing in files.
Wherein, described data receiver business module, according to the data packet length in the heading of described data subpackage and data total length, obtains valid data.
Wherein, the said equipment also comprises:
Correction verification module, for the valid data that obtain after resolving by gap marker, data type mark, check bit sum and the heading such as original position, side-play amount information, validity check is carried out to the size of data, type.
Wherein, described multiple available data transfer passage is multiple data transmission channel of same type communication module or the data transmission channel for dissimilar communication module.
The beneficial effect of technique scheme of the present invention is:
Technique scheme of the present invention is passed through, and according to described data sending request, data to be sent is divided into multiple data subpackage; Select available data transfer passage, described data subpackage is sent by described available data transfer channel parallel, achieves the parallel transmission of data, and automatically can select data transmission channel, improve high efficiency and the stability of transfer of data.
Accompanying drawing explanation
Fig. 1 is multi-channel data transmitting end schematic flow sheet of the present invention;
Fig. 2 is multi-channel data receiving terminal schematic flow sheet of the present invention;
Fig. 3 is specific embodiment of the invention multi-channel data transmitting end schematic flow sheet;
Fig. 4 is specific embodiment of the invention multi-channel data receiving terminal schematic flow sheet;
Fig. 5 is the sending end structure schematic diagram of the specific embodiment of the present invention equipment;
Fig. 6 is the receiving terminal structural representation of the specific embodiment of the present invention equipment;
Fig. 7 is specific embodiment of the invention subpackage message structure schematic diagram.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The core of this programme is to have invented when equipment sending data, send by transfer of data from control module and data, receive business module, with business module, subpackage and parsing are carried out to data, and by transfer of data from the selection of control module realization to transmission channel, complete same data file and by multiple transmission channel parallel transmission, and high speed and stability requirement can be met.
As shown in Figure 1, as the application of sending ending equipment, embodiments of the invention provide a kind of data transmission method, comprising:
Step 11, obtains data sending request;
Data to be sent, according to described data sending request, are divided into multiple data subpackage by step 12;
Step 13, selects multiple available data transfer passage, described data subpackage is sent by available data transfer channel parallel.
This embodiment of the present invention, by data to be sent being divided into multiple data subpackages of uniform format, thus can make by multiple available data transfer passage, multiple data subpackage described in transmitted in parallel, complete same data file to be transmitted by multiple transmission channel simultaneously, and meet high speed and stability requirement.
In above-described embodiment, step 12 specifically comprises: according to described data sending request, by data to be sent, multiple data subpackages of uniform format are divided into according to data packet format, wherein, the form of described data subpackage comprises: the total length of the original position of valid data, data, the length of data, side-play amount, check code and data type mark and subpackage.Wherein, the total length of the original position of data, the length of data, side-play amount, check code and data type mark and subpackage is when sending data subpackage, write heading, and when transmission channel is identified at this data subpackage transmission, can write in the heading of data subpackage.
Wherein, in an embodiment of the present invention, can also comprise after step 12: by described multiple data subpackage write buffer memory;
Accordingly, step 13 comprises: from described buffer memory, read described multiple data subpackage;
By described multiple data subpackage by available multiple data transmission channels, transmitted in parallel is gone out.
After this data subpackage sends, this buffer memory is cleared.
In above-described embodiment, step 13 specifically can comprise:
Step 131, selects available, channel level to be much higher data transmission channel; Wherein, for high, described priority represents that described data transmission channel is idle condition;
Step 132, is write the gap marker of each data transmission channel as heading in the data subpackage transmitted by this data transmission channel.
Further, can also comprise:
In the process that data send, the priority level of Update Table transmission channel is low, and wherein, described priority level is low: represent that this data transmission channel is current and be in busy condition;
After data subpackage is sent completely, be high by the priority modification of multiple data transmission channel, during with the data subpackage not yet sent in addition in convenient buffer memory, channel selecting submodule utilizes this data transmission channel becoming high priority (idle condition) from low priority (busy condition) the data subpackage that do not send to be sent again, and again to revise its channel priorities be low.
In this embodiment of the present invention, when sending data subpackage, the transmission channel priority shared by amendment is low.Indicate the busy extent of this transmission channel by the priority of transmission channel, priority height is idle, and priority is low for taking; After being sent completely, then revise the priority of this transmission channel for height, and by this data dump in buffer memory, so that data send client, and data subpackage is write buffer memory again.
For equipment when receiving data, as shown in Figure 2, embodiments of the invention also provide a kind of data transmission method, comprising:
Step 21, receives the multiple data subpackages by multiple data transmission channel transmitted in parallel;
Step 22, resolves the multiple data subpackages received, and obtains the valid data after resolving;
Step 23, by described valid data writing in files.
Wherein, also comprise after step 21: by described multiple data subpackage stored in buffer memory;
Accordingly, step 22 comprises: from described buffer memory, reads described multiple data subpackage; Described multiple data subpackage is resolved, obtains the valid data carried in data subpackage.
Further, validity check is carried out to the data obtained after parsing, if data are effective, then by data writing in files.If data invalid, then this inefficiency must be fed back to data transmission client by the passage being in high priority state by data receiver, and request msg sends client process and also resends data to data receiver.Wherein, validity check comprises: by gap marker, data type mark, check bit sum and the heading such as original position, side-play amount information, to size, the type validity check of data.
Below in a kind of embodiment, in multi-channel data transmission between equipment, equipment comprises the smart mobile phone and PC(computer with modules such as Wi-Fi, bluetooth, ADB), multichannel is that between mobile phone with PC, (namely between communication equipment) communications of being set up by the end-to-end equipment such as Wi-Fi, bluetooth, ADB is connected, and data can have any type, singly be not limited to file (as media, application program, text etc.), the information such as the note in equipment, contact person, message registration, schedule can also be comprised.
Wherein the handling process of multi-channel data transmitting end is concrete as shown in Figure 3, comprises following concrete steps:
Step S301: after data transmission client modules is by data subpackage write buffer memory, start channel to channel adapter.
Step S302: judge multichannel enable situation, such as Wi-Fi, bluetooth, ADB etc. can connect transmission passage.If there is enable passage, then forward step S303 to; Otherwise exit.
Step S303: the selection priority level of the enable passage of initialization is high.Such as, as Wi-Fi and Bluetooth channels are all in enabled state during initialization, then the priority of Wi-Fi and Bluetooth channels is set to height.During transmission, the multi-channel parallel of high priority can be selected to send, and the priority level of this passage is set to low.Here, priority is in idle condition for height represents that this data transmission channel is current.To be that this data transmission channel of low expression is current be in busy state to priority.Then step S304 is forwarded to.
Step S304: according to the priority height of transmission channel, select data transmission channel.If the priority of all passages is height (idle condition), then utilize all channel parallels to send data subpackage simultaneously.If all channel priorities are minimum (i.e. busy state), then data to be sent are temporarily waited for, when available channel being detected (priority becomes high passage from low), then the transmission carrying out data sends, and forwards step S305 to.
Step S305: read data subpackage from buffer memory, if read successfully, then forwards step S306 to.If when can not send out data, then exited.
Step S306: data subpackage is flowed through transmission interface and send, the priority simultaneously arranging current channel is minimum, and the idle channel parallel transmission next one data subpackage forwarding that step S304 selects higher priority again to.
Step S307: judge whether transmission completes, if be sent completely, proceeds to step S308; Otherwise proceed to S306 to continue to send.
Step S308: after the data subpackage in step S306 is all sent completely by passage, empties in buffer memory and send data, and this transmission channel priority is set to height by low; So that step S304 detects that channel status changes in real time, automatically select this idle channel and issue transmission.
The handling process of multi-channel data receiving terminal as shown in Figure 4, comprises following concrete steps:
Step S401: after multi-channel data reception server module receives the data flow coming from multi-channel data transmitting end step S306, the priority of this transmission channel is set high, proceeds to step S402.
Step S402: by data subpackage stored in buffer memory, when buffer memory is filled with, issues data transmission client by suspending the order sent by step S404; Otherwise proceed to step S403.
Step S403: read data subpackage from buffer memory, data are passed to step S405.
The time-out of step S404: when receiving data exception order, such as step S402 sends order, and this order is sent to client by idle channel.
Step S405: step S403 is transmitted the data subpackage come and resolves, obtain the heading in data subpackage and data.Carry out the validity check of data simultaneously, if data invalid, the order of again asking is sent to client by step S404; If effectively, then data are write.
Step S406: judge channel priorities situation (i.e. busy situation), if passage is idle, then proceed to step S407; Otherwise proceed to step S408.
Step S407: send client to data and send orders such as suspending transmission, again request.
Step S408: after waiting for the data transmission channel free time, sent by time-out, again ask etc. is ordered and is sent to data to send client.
Step S409: will verify effective data (document, picture, mobile phone contact, note etc.) write, and be removed by buffer memory, so that data receiver service end can receive the data that data transmission client is sent again.
After the above embodiment of the present invention sends client terminal start-up channel selecting by data, the priority level of the multiple passage of initialization is high, and from buffer memory, read the multiple data subpackages divided, be that much higher channel parallel sends by priority, and in process of transmitting, the priority level of this passage is set to low, represent that this passage is current and be in busy condition, in the process of transfer of data, because the transmission speed of passage is different, the used time of the data subpackage transmitting identical size can be caused different, some passages send so first can complete data, and some passages complete data transmission after the meeting, if current all passages are all in busy condition, then transfer of data is in wait state, and detect multichannel state variation, when a certain channel transfer in multichannel is complete and be set to high priority state, namely when idle condition, continue to select this high-priority channel to carry out the transmission of next data subpackage, and the priority level of this passage is set to low.Wherein, channel selecting available channel selector realizes.
The above embodiment of the present invention 1) compare single channel transmission, adopt multi-channel parallel to transmit the transmission rate effectively improving data.2) compare single-channel data transfers, when multi-channel data transmission can ensure that certain passage is closed or blocks, another one passage can also replace it to finish the work, and the continuity ensureing transfer of data has larger advantage.3) adopt the process of self-defining data business module and resolve subpackage, the data content of transmission will be not limited to single data type, can support the transmitting extended of arbitrary data types.4) take full advantage of the parallel transmission ability of the multiple transport module of communication equipment, data parallel transmission rate is significantly accelerated.Secondly, by the data validation mode of recipient, ensure that the integrality receiving data.Adopt self-defined divided stator frame agreement simultaneously, can effective transmission of compatible arbitrary data types.
As shown in Figure 5, embodiments of the invention also provide a kind of equipment, as the transmitting terminal of transfer of data, comprising:
Acquisition module, for obtaining data sending request;
Data send business module, for data to be sent being divided into multiple data subpackage according to described data sending request;
Described data subpackage, from control module, for selecting available data transfer passage, is sent by available data transfer channel parallel by transfer of data.
Wherein, the said equipment also comprises: the first cache module, for storing multiple data subpackages that described data transmission business module obtains.Wherein, the plurality of data subpackage is write the first cache module and can be sent by data that client modules come, meanwhile, these data send client modules also for utilizing the data subpackage sending business module and provide, and data subpackage is sent to transfer of data from control module.
Wherein, transfer of data comprises from control module:
Channel selecting submodule, for selecting priority level to be much higher data transmission channel, wherein, for high, described priority represents that described data transmission channel is idle condition;
Header adds submodule, in the data subpackage that the write using the gap marker of each data transmission channel as heading is transmitted by this data transmission channel;
Send and control submodule, for being that high data transmission channel transmitted in parallel is gone out by multiple data subpackage respectively by the plurality of priority level, in the process that data subpackage sends, the priority level of Update Table transmission channel is low, wherein, described priority level is low: represent that this data transmission channel is current and be in busy condition; And for after data subpackage is sent completely, be high by the priority modification of multiple data transmission channel, and data transmission channel from busy become idle condition in, continue to select this passage to send the data subpackage not yet sent.
As shown in Figure 6, the said equipment of the present invention, as the receiving terminal of data, can also comprise:
Data receiver server module, for receiving the multiple data subpackages by multiple data transmission channel transmitted in parallel;
Data receiver business module, for resolving the multiple data subpackages received, obtains the valid data after resolving, and by described valid data writing in files.
Wherein, the said equipment can further include the second cache module, for storing described multiple data subpackages that data receiver server module receives.Wherein, this second cache module and above-mentioned first cache module within one device time, can be realized by same buffer memory, also can be that different buffer memorys realizes.
Wherein, described multiple data transmission channel is multiple data transmission channel of same type communication module or the data transmission channel for dissimilar communication module.Wherein, same type communication module is the communication module adopting same communication protocol, as multiple data transmission channels of Wi-Fi communication module; The data transmission channel of dissimilar communication module, as comprised: the data transmission channel of Wi-Fi communication module and the data transmission channel of bluetooth communication, can further include the data transmission channel etc. as ADB, NFC communication module; In this embodiment, be not limited to the multiple data format transmission between mobile phone and PC, can extend between terminal equipment and carry out multiple transmission means parallel transmission, take full advantage of the parallel transmission ability of the multiple transport module of communication equipment, data parallel transmission rate is significantly accelerated.
Further, this equipment can also comprise: subscriber interface module, be responsible for user provide can operate, patterned interface, comprise optimum configurations, state show, transmission and reception progress show, enable Wi-Fi, bluetooth, ADB etc., and passage connection arrange.
Send in business module in data, need transmission data subpackage process, namely with reference to as shown in Figure 7, data packet messages head can be added data type mark, transmission channel mark, data original position, side-play amount, data length, point field such as packet length, check code.Accordingly, in data receiver business module, then can data subpackage be resolved according to packet header mark and be write.
Wherein, in above-mentioned all embodiments, the implication of data packet messages head specifically comprises:
Data type identifies the data type being used for showing to send data, is the document files such as the media files such as music, video, picture, or word, excel as sent data, or the information such as short multimedia message, contact person in mobile phone.According to different data types, data receiver business module can deal with data in different ways.If the data such as audio frequency and video, document, then can write direct file.And if information such as short multimedia message, contact person, message registrations, then need the interface mode adopting concrete equipment to support, in write device (as Android phone needs in the corresponding database of these information write mobile phone).
Transmission channel mark can be used to identify whether the data subpackage received is by specific channel transfer, if this mark and current receive path inconsistent, then show data invalid, need inefficiency to feed back to data sending terminal process.
Data original position and side-play amount represent the original position of these data in file to be sent and side-play amount, so as data reception module according to assigned address by data writing in files.
Data length and point packet length are used to resolution data bag, deduct by point packet length the length that data length is data subpackage heading.Utilize these two values can read valid data and heading from the diverse location of data subpackage.
Check code can be used to the validity of further checking data transmission.
Transfer of data plays multichannel automatic selection and management effect from control module, this module reads and comes from the data subpackage that data send client, and by data by corresponding channel transfer to data receiver service end, and data to send client and data receiver service end data used be the data subpackage sending, receive business module process and parsing from data respectively; Subscriber interface module, data send, receive business module belongs to upper-layer service part, wherein subscriber interface module can show current transmission and reception condition according to different passage connection state, data send, reception business module unifies deal with data subpackage and parsing.
The specific implementation process of said method is described below in conjunction with concrete example:
The mounted application program of starting device, and the ports such as enable Wi-Fi, bluetooth, ADB, can after communication equipment sets up expanding channels, select to send data existing.
After data transmission client modules receives data sending request, calling data sends business module, send business module by data and carry out data subpackage, subpackage content comprises data to be sent, the original position of data, the length, side-play amount, check code, Data Labels etc. of data.Because the unification of point packet format, just make same data file to send in parallel through multiple passage simultaneously.Data send business module and data subpackage are returned to data transmission client modules, and data send client modules and again data write buffer memory.
Transfer of data from control module according to Channel(passage) enable situation, select available Channel, the Priority flag of Channel is set simultaneously, and from buffer memory, read data subpackage, and to subpackage Message processing, Channel type code is write subpackage as heading.When sending data subpackage, the Channel priority shared by amendment is low.Indicate the busy extent of this passage by the priority of Channel, priority height is idle, and priority is low for taking; After being sent completely, then adjust this channel priorities for high, and by this data dump in buffer memory, so that data send client, and data subpackage is write buffer memory again.
Data receiver server module receives transfer of data after the data subpackage of control module, by data subpackage stored in buffer memory, when buffer memory is filled with, send client transmission to data to wait for the arrival of news, then calling data receives business module and reads also resolution data subpackage from buffer memory, analytic method Main Basis divides the attribute of the heading in packet voice, and the valid data writing in files that will parse.If in resolving, subpackage validity check failure or occur that packet loss causes the overall imperfect situation of data, then send client to data and again ask the corresponding invalid or data subpackage of losing.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a data transmission method, is characterized in that, comprising:
Obtain data sending request;
According to described data sending request, data to be sent are divided into multiple data subpackage;
Select multiple available data transfer passage, described data subpackage is sent by described available data transfer channel parallel.
2. data transmission method according to claim 1, it is characterized in that, it is described that data to be sent to be divided into multiple data subpackage be carry out according to the form of packet, wherein, the form of described packet comprises: the total length of the original position of valid data, data, the length of data, side-play amount, check code, data type mark and data subpackage.
3. data transmission method according to claim 1, is characterized in that, described selection available data transfer passage, comprises the step that described data subpackage is sent by available data transfer channel parallel:
Select priority level to be much higher data transmission channel, wherein, for high, described priority represents that described data transmission channel is idle condition;
Write the gap marker of each data transmission channel as heading in the data subpackage transmitted by this data transmission channel.
4. data transmission method according to claim 3, is characterized in that, is also comprise multiple data subpackage after high data transmission channel transmitted in parallel is gone out respectively by the plurality of priority level:
In the process that data subpackage sends, the priority level revising this data transmission channel is low, and wherein, described priority level is low: represent that this data transmission channel is current and be in busy condition;
After data subpackage is sent completely, be high by the priority modification of multiple data transmission channel.
5. a data transmission method, is characterized in that, comprising:
Receive the multiple data subpackages by multiple data transmission channel transmitted in parallel;
The multiple data subpackages received are resolved, obtains the valid data after resolving;
By described valid data writing in files.
6. data transmission method according to claim 5, is characterized in that, comprises the step that the multiple data subpackages received are resolved:
According to the data packet length in the heading of described data subpackage and data total length, obtain valid data.
7. data transmission method according to claim 6, is characterized in that, also comprises:
To the valid data that obtain after resolving by gap marker, data type mark, check bit sum and the heading such as original position, side-play amount information, validity check is carried out to the size of data, type.
8. an equipment, is characterized in that, comprising:
Acquisition module, for obtaining data sending request;
Data send business module, for according to described data sending request, data to be sent are divided into multiple data subpackage;
Described data subpackage, from control module, for selecting multiple available data transfer passage, is sent by described available data transfer channel parallel by transfer of data.
9. equipment according to claim 8, it is characterized in that, it is carry out according to the form of packet that data to be sent are divided into multiple data subpackage by described data transmission business module, wherein, the form of described packet comprises: the total length of the original position of data to be sent, data, the length of data, side-play amount, check code, data type mark and data subpackage.
10. equipment according to claim 8, is characterized in that, described transfer of data comprises from control module:
Channel selecting submodule, for selecting priority level to be much higher data transmission channel, wherein, for high, described priority represents that described data transmission channel is idle condition;
Header adds submodule, in the data subpackage that the write using the gap marker of each data transmission channel as heading is transmitted by this data transmission channel;
Send and control submodule, for being that high data transmission channel transmitted in parallel is gone out by multiple data subpackage respectively by the plurality of priority level, in the process that data subpackage sends, the priority level of Update Table transmission channel is low, wherein, to be that this data transmission channel of low expression is current be in busy condition to described priority level; And for after data subpackage is sent completely, be high by the priority modification of multiple data transmission channel.
11. equipment according to claim 8, is characterized in that, also comprise:
Data receiver server module, for receiving the multiple data subpackages by multiple data transmission channel transmitted in parallel;
Data receiver business module, for resolving the multiple data subpackages received, obtains the valid data after resolving, by described valid data writing in files.
12. equipment according to claim 11, is characterized in that, described data receiver business module, according to the data packet length in the heading of described data subpackage and data total length, obtains valid data.
13. equipment according to claim 12, is characterized in that, also comprise:
Correction verification module, for the valid data that obtain after resolving by gap marker, data type mark, check bit sum and the heading such as original position, side-play amount information, validity check is carried out to the size of data, type.
14. equipment according to claim 8, is characterized in that, described multiple available data transfer passage is multiple data transmission channel of same type communication module or the data transmission channel for dissimilar communication module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444964.0A CN104519075A (en) | 2013-09-26 | 2013-09-26 | Data transmission method and device |
| PCT/CN2014/076094 WO2014169860A1 (en) | 2013-09-26 | 2014-04-24 | Data transmission method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444964.0A CN104519075A (en) | 2013-09-26 | 2013-09-26 | Data transmission method and device |
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| CN104519075A true CN104519075A (en) | 2015-04-15 |
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| CN201310444964.0A Pending CN104519075A (en) | 2013-09-26 | 2013-09-26 | Data transmission method and device |
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| WO (1) | WO2014169860A1 (en) |
Cited By (13)
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| CN105356916A (en) * | 2015-12-11 | 2016-02-24 | 中南大学 | Adaptive Bluetooth transmission method for wearable intelligent equipment |
| CN105848180A (en) * | 2016-01-25 | 2016-08-10 | 乐卡汽车智能科技（北京）有限公司 | Data link establishing method and device, data transmission method and device, and mobile terminal |
| CN106464581A (en) * | 2016-07-29 | 2017-02-22 | 深圳市道通智能航空技术有限公司 | Data transmission method and system and data receiving device |
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| CN107360556A (en) * | 2017-08-24 | 2017-11-17 | 彩讯科技股份有限公司 | A kind of short message delivery method and device |
| CN111145401A (en) * | 2020-03-11 | 2020-05-12 | 杭州涂鸦信息技术有限公司 | Fingerprint data transmission system and method |
| CN111526082A (en) * | 2020-03-19 | 2020-08-11 | 北京三快在线科技有限公司 | Message sending method, device, message processing equipment, server and storage medium |
| CN113993164A (en) * | 2021-10-29 | 2022-01-28 | 维沃移动通信有限公司 | File transmission method and file transmission device |
| CN114286447A (en) * | 2021-12-27 | 2022-04-05 | 中国联合网络通信集团有限公司 | Method, device and storage medium for adjusting scheduling priority |
| CN114490474A (en) * | 2021-12-28 | 2022-05-13 | 武汉微创光电股份有限公司 | System for realizing extension of multi-path UART (universal asynchronous receiver/transmitter) interface through CPLD (complex programmable logic device) |
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| CN116719628B (en) * | 2023-08-09 | 2024-04-19 | 东莞信宝电子产品检测有限公司 | Concurrent task preemptive scheduling method, system and medium |
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