CN101980518A - Method, system and terminal for transmitting data - Google Patents
Method, system and terminal for transmitting data Download PDFInfo
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- CN101980518A CN101980518A CN2010105070924A CN201010507092A CN101980518A CN 101980518 A CN101980518 A CN 101980518A CN 2010105070924 A CN2010105070924 A CN 2010105070924A CN 201010507092 A CN201010507092 A CN 201010507092A CN 101980518 A CN101980518 A CN 101980518A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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Abstract
The invention discloses a method, a system and a terminal for transmitting data. The method comprises that: transmitter equipment initiates a voice call to receiver equipment; after establishing the voice call; the transmitter equipment forbids the use of voice transmission equipment in the transmitter equipment and sends the data to the receiver equipment through a voice channel. In the invention, the safety of data transmission is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method, system and terminal of transmitting data.
Background technology
Along with developing rapidly of mobile Internet and smart mobile phone, can carry out the data of wide scope between the mobile subscriber whenever and wherever possible and share the trend that becomes certainty.At present, the approach that data are shared is not abundant, particularly can not satisfy the needs that the user is transmitted a large amount of sensitive informations.Be easy to be held as a hostage when transmitting data in the correlation technique, transmission security is not high.
The digital speech speech path network is comparatively ripe, and it has advantages such as transmission rate height, telephone traffic is huge, communication cost is cheap.Therefore, the inventor attempts voice call network and transfer of data are combined to address the above problem.
Summary of the invention
Main purpose of the present invention is to provide a kind of scheme of transmitting data, to solve the not high problem of transmission Information Security in the above-mentioned correlation technique at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of method of transmitting data, this method comprises: transmit leg equipment is initiated audio call to receiver equipment; After setting up voice call, be used for the equipment of voice transfer in the transmit leg equipment forbidden transmit leg equipment, and data are sent to receiver equipment by voice channel.
Further, said method also comprises: before data are sent to receiver equipment by voice channel, transmit leg equipment carries out integrity checking to data and obtains completeness check code, and completeness check code and integrality checking method are sent to receiver equipment; Receiver equipment carries out verification according to completeness check code and integrality checking method to the data that receive, if verification succeeds, then to the correct response of transmit leg equipment feedback, otherwise, send errored response; If transmit leg equipment receives errored response, then resend data, if receive correct response, then continue to send next data.
Further, data are sent to receiver equipment by voice channel comprise: transmit leg equipment flows data as pulse code modulation (pcm), and adds identifier in the beginning of first PCM stream; Transmit leg equipment sends to receiver equipment with PCM stream by voice channel.
Further, after data were sent to receiver equipment by voice channel, said method also comprised: receiver equipment receives PCM stream; Receiver equipment is determined to comprise identifier in the PCM stream; The equipment that is used for voice transfer in the receiver equipment forbidding receiver equipment.
Further, identifier has 64 bits.
Further, the equipment that is used for voice transfer comprises microphone and receiver.
To achieve these goals, according to another aspect of the present invention, provide a kind of terminal, this terminal can be used as transmit leg equipment, and this terminal comprises: initiation module is used for initiating audio call to receiver equipment; First disabled module is used for after setting up voice call, is used for the equipment of voice transfer in the forbidding terminal; Sending module is used for data are sent to receiver equipment by voice channel.
Further, sending module comprises: add submodule, be used for data are flowed as pulse code modulation PCM, and add identifier in the beginning of first PCM stream; Send submodule, be used for PCM stream is sent to receiver equipment by voice channel.
Further, the equipment that is used for voice transfer comprises microphone and receiver.
To achieve these goals, according to another aspect of the invention, provide a kind of terminal, this terminal can be used as receiver equipment, and this terminal comprises: receiver module is used to receive the pulse code modulation PCM stream that transmit leg equipment sends; Determination module is used for determining that PCM stream comprises identifier; Second disabled module is used for determining that at determination module the result is under the situation that is, is used for the equipment of voice transfer in the forbidding terminal.
Further, the equipment that is used for voice transfer comprises microphone and receiver.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of system of transmitting data, this system comprises: transmit leg equipment and receiver equipment, wherein, transmit leg equipment is above-mentioned terminal as transmit leg equipment, and receiver equipment is above-mentioned terminal as receiver equipment.
By the present invention, adopt mode by voice channel transmission data, solve the not high problem of transmission Information Security in the correlation technique, and then reached the effect that improves data transmission security.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for the transmission data of the embodiment of the invention one;
Fig. 2 is the flow chart according to the method for the transmission data of the embodiment of the invention two;
Fig. 3 is the flow chart according to the method for the transmission data of the embodiment of the invention three;
Fig. 4 is the structured flowchart according to a kind of terminal of the embodiment of the invention;
Fig. 5 is the structured flowchart according to the initiation module 422 of the embodiment of the invention;
Fig. 6 is the structured flowchart according to the another kind of terminal of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Embodiment one
The embodiment of the invention provides a kind of method of transmitting data, and Fig. 1 is the flow chart according to the method for the transmission data of the embodiment of the invention one, and as shown in Figure 1, this method comprises:
Step S102, transmit leg equipment is initiated audio call to receiver equipment;
Step S104 after setting up voice call, is used for the equipment of voice transfer, and data is sent to receiver equipment by voice channel in the transmit leg equipment forbidden transmit leg equipment.
In the present embodiment; by voice channel transmission data; because voice channel has following characteristics: the one, the cost performance height of transmission data; the 2nd, transfer of data is submerged in has more increased one deck safeguard protection in the huge telephone traffic; therefore, use voice channel transmission data can strengthen transmission security.In addition, in the present embodiment, voice channel only transmits data and transferring voice not, thereby can improve transmission rate.In the present embodiment, transmit leg equipment and receiver equipment can be portable terminals.
In order to improve the correctness of transfer of data, can carry out verification to data, method of calibration comprises: transmit leg equipment carries out integrity checking to data and obtains completeness check code, and completeness check code and integrality checking method sent to receiver equipment, wherein, transmit leg equipment can send to receiver equipment together with completeness check code, integrality checking method and data, also completeness check code and integrality checking method can be write and send to receiver equipment in the data; Receiver equipment carries out verification according to completeness check code and integrality checking method to the data that receive, if verification succeeds, then to the correct response of transmit leg equipment feedback, otherwise, send errored response; If transmit leg equipment receives errored response, then resend data, if receive correct response, then continue to send next data.
Because voice channel itself can not guarantee the correctness of transfer of data, therefore, present embodiment increases a fault tolerant mechanism on the basis of voice channel.That is, after the data integrity inspection and finding mistake, the transmit leg retransmission data packet may.The existing scheme that data integrity is checked is a lot, such as cyclic redundancy code 32 (Cyclic Redundancy Code abbreviates CRC32 as), message digest algorithm 5 (Message Digest Algorithm abbreviates MD5 as) or the like.The idiographic flow of fault tolerant mechanism can increase the data integrity inspection method that a byte is indicated use in: (1) transmit leg first PCM stream after calling after original identifier; (2) transmit leg sends the completeness check code of all using before the data this integrality checking method to calculate these transmission data at every turn, be attached to the transmission data after, and suspend transmission flow, wait for recipient's response; (3) after the recipient receives data, adopt identical integrality checking method that the data (not comprising completeness check code) that receive are calculated, draw a new check code, compare with receiving check code, return a correct response as if identical, if the different responses of returning a mistake; (4) after transmit leg is received recipient's response,, then continue to send next packet, if mistake then resends once, till correct reception if correct.
Wherein, the data that transmit leg equipment at first will need to send abbreviate PCM as pulse code modulation Pulse Code Modulation) stream, and, add identifier in the beginning of first PCM stream; Then, transmit leg equipment sends to receiver equipment with PCM stream by voice channel.
After data are sent to receiver equipment by voice channel, receiver equipment receives this PCM stream, then, judge in this PCM stream and whether comprise identifier, if, determine that then be transfer of data this moment, receiver equipment will be forbidden the equipment that is used for voice transfer in the receiver equipment, if not, then carry out normal voice communication.Receiver equipment can determine whether to be transfer of data among this embodiment.
Different for the data that guarantee this identifier and transmission, the recipient can be by mistake not be identified as identifier with the general data of transmission, this identifier can be provided with long enough, for example, this identifier is 64 bits, can guarantee the uniqueness of identifier like this, can not cause the parsing ambiguity.
Preferably, the above-mentioned equipment that is used for voice transfer comprises Mic (microphone) and Receiver (receiver).The equipment of the voice transfer of most of terminals all is Mic and Receiver, and therefore, this embodiment can satisfy most of scenes.
Embodiment two
Present embodiment is at the mobile subscriber demand of secure data transmission to be proposed, and based on the digital speech speech path network in the correlation technique, realizes secure data transmission by using encapsulation.
The applied environment of present embodiment is as follows: the voice call of transmission both sides' portable terminal is all carried out based on the PCM data format, and transmission is used and can be installed in advance in the portable terminal, also can be installed separately by the user.
The audio call and the access process that carry out in the present embodiment in the data transmission procedure are fully consistent with the voice call in the correlation technique, have only when called receive calls enter formal voice call after, the logic determines of just being correlated with.Fig. 2 is the flow chart according to the method for the transmission data of the embodiment of the invention two, and as shown in Figure 2, this method comprises:
Step S201, data receiver prepares to initiate transfer of data.
Step S202, data receiver adopts normal audio call flow process to initiate audio call to the recipient.
Step S203 judges whether callee's (that is, the data receiver) answers, if, then carry out step S204, otherwise, carry out step S207.
Step S204, the callee selects incoming call answering, enters talking state, and transmit leg and callee are all forbidden Mic and receiver.
Step S205, data receiver is not opened the mode of Mic and Receiver, sends to network but directly read the data that will send as PCM stream, and, beginning at first PCM stream adds an identifier, indicates that this conversation is to carry out file transfer one time in fact.
If the data receiver is supported in the voice channel transmitting data, then when receiving first PCM stream, can initiatively go to discern this identifier, this conversation for confirmation at this moment, directly enters data-transmission mode for transfer of data, and, also forbid Mic and Receiver.
Step S206, after the DTD, data receiver is initiatively hung up the telephone.
Step S207, flow process finishes.
In the present embodiment, because voice call PCM generally selects to adopt the form of 8K sample rate, 16 bit sample precision, the communicating data amount of per minute is the 7.68M bit.That is to say that the call rate that spends a minute just can realize the transfer of data of the 7.68Mb in the wide scope, therefore, this scheme can be user's cost saving.
In addition, the greatest danger of voice call is exactly that phone is kidnapped, still, in the present embodiment, owing to not only will carry out transfer of data between two people, also can carry out normal voice call, and the data volume of voice call is very big, is easy to confuse the hijacker like this, thereby improves fail safe.
Simultaneously, in order further to improve safety of transmission, can add an encryption and decryption process the transfer of data both sides in data transmission procedure, make that the data of actual transmissions are ciphertext, the method for encryption and decryption can adopt existing method.
Present embodiment has been realized carrying out the cheap transfer of data of expense in the wide scope, has improved the convenience that the user interconnects.And, but present embodiment can but be not limited to adopt the form of set up applications, voice call is improved, and supports the function of transfer of data.
Embodiment three
The notice of attributes such as the form of present embodiment support transmission data, filename, file size and recipient are to the selection of deposit position.This part work mainly just concentrates among the step S205 of embodiment two.Fig. 3 is the flow chart according to the method for the transmission data of the embodiment of the invention three, and as shown in Figure 3, this flow process comprises:
Step S301, transmit leg and recipient enter talking state.
Step S302, after entering talking state, data receiver at first adds that with information such as data format, filename, file sizes identifier constructs first packet, sends, wait for recipient's response then, enter the flow process that sends quiet data subsequently automatically.
The data receiver is after receiving first packet, know that by the identifier discrimination this conversation is transfer of data, then, data format, filename, file size etc. are parsed, again according to the memory space of oneself and respond packet of selection feedback of user.
Step S303 after data receiver is received respond packet, resolves the other side and whether agrees this transmission, if disagree with, then directly finishes this conversation; If agree, then carry out step S304, then continue to finish the whole process of transfer of data according to follow-up flow process.
Step S304, data receiver begins to read actual data content and begins to transmit data.
Step S305, after being sent completely, data receiver is initiatively hung up the telephone.
Step S306, transfer process finishes.
The embodiment of the invention also provides a kind of terminal, and this terminal is used for realizing said method as transmit leg equipment.Fig. 4 is the structured flowchart according to a kind of terminal of the embodiment of the invention, and as shown in Figure 4, this terminal comprises: initiation module 422 is used for initiating audio call to receiver equipment; First disabled module 424 is coupled to initiation module 422, is used for after setting up voice call, forbids the equipment that is used for voice transfer in this terminal; Sending module 426 is coupled to first disabled module 424, is used for data are sent to receiver equipment by voice channel.In the present embodiment, this terminal can be portable terminals such as mobile phone.
Fig. 5 is the structured flowchart according to the initiation module 422 of the embodiment of the invention, and as shown in Figure 5, sending module 422 comprises: add submodule 52, be used for data are flowed as pulse code modulation PCM, and add identifier in the beginning of first PCM stream; Send submodule 54, be coupled to and add submodule 52, be used for PCM stream is sent to receiver equipment by voice channel.
Preferably, above-mentioned identifier has 64 bits.
Preferably, the above-mentioned equipment that is used for voice transfer comprises microphone and receiver.
The embodiment of the invention also provides a kind of terminal, is used for realizing said method as receiver equipment.Fig. 6 is the structured flowchart according to the another kind of terminal of the embodiment of the invention, and as shown in Figure 6, this terminal comprises: receiver module 62 is used to receive the PCM stream that transmit leg equipment sends; Determination module 64 is coupled to receiver module 62, is used for determining that PCM stream comprises identifier; Second disabled module 66 is coupled to determination module 64, and the definite result who is used for determination module 64 is under the situation that is, forbids the equipment that is used for voice transfer in this terminal.In the present embodiment, this terminal can be portable terminals such as mobile phone.
Preferably, above-mentioned identifier has 64 bits.
Preferably, the equipment that is used for voice transfer comprises microphone and receiver.
The embodiment of the invention also provides a kind of system of transmitting data, is used to realize said method.This system comprises transmit leg equipment and receiver equipment, and wherein, transmit leg equipment can be above-mentioned terminal as transmit leg equipment, and receiver equipment can be above-mentioned terminal as receiver equipment.
In sum, the embodiment of the invention adopts the mode by voice channel transmission data, has reached the effect that improves data transmission security.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a method of transmitting data is characterized in that, comprising:
Transmit leg equipment is initiated audio call to receiver equipment;
After setting up voice call, be used for the equipment of voice transfer in the described transmit leg equipment of described transmit leg equipment forbidden, and data are sent to described receiver equipment by voice channel.
2. method according to claim 1 is characterized in that, described method also comprises:
Before described data are sent to described receiver equipment by voice channel, described transmit leg equipment carries out integrity checking to described data and obtains completeness check code, and described completeness check code and integrality checking method are sent to described receiver equipment;
Described receiver equipment carries out verification according to described completeness check code and described integrality checking method to the described data that receive, if verification succeeds, then to the correct response of described transmit leg equipment feedback, otherwise, send errored response;
If described transmit leg equipment receives errored response, then resend described data, if receive described correct response, then continue to send next data.
3. method according to claim 1 is characterized in that, data is sent to described receiver equipment by voice channel comprise:
Described transmit leg equipment flows described data as pulse code modulation PCM, and adds identifier in the beginning of first described PCM stream;
Described transmit leg equipment sends to described receiver equipment with described PCM stream by voice channel.
4. method according to claim 3 is characterized in that, after data were sent to described receiver equipment by voice channel, described method also comprised:
Described receiver equipment receives described PCM stream;
Described receiver equipment is determined to comprise described identifier in the described PCM stream;
Described receiver equipment is forbidden the equipment that is used for voice transfer in the described receiver equipment.
5. method according to claim 3 is characterized in that described identifier has 64 bits.
6. according to each described method in the claim 1 to 5, it is characterized in that the described equipment that is used for voice transfer comprises microphone and receiver.
7. a terminal is characterized in that, comprising:
Initiation module is used for initiating audio call to receiver equipment;
First disabled module is used for after setting up voice call, forbids the equipment that is used for voice transfer in the described terminal;
Sending module is used for data are sent to described receiver equipment by voice channel.
8. terminal according to claim 7 is characterized in that, described sending module comprises:
Add submodule, be used for described data are flowed as pulse code modulation PCM, and add identifier in the beginning of first described PCM stream;
Send submodule, be used for described PCM stream is sent to described receiver equipment by voice channel.
9. according to claim 7 or 8 described terminals, it is characterized in that the described equipment that is used for voice transfer comprises microphone and receiver.
10. a terminal is characterized in that, comprising:
Receiver module is used to receive the pulse code modulation PCM stream that transmit leg equipment sends;
Determination module is used for determining that described PCM stream comprises described identifier;
Second disabled module is used for determining that at described determination module the result is under the situation that is, forbids the equipment that is used for voice transfer in the described terminal.
11. terminal according to claim 10 is characterized in that, the described equipment that is used for voice transfer comprises microphone and receiver.
12. a system of transmitting data is characterized in that, comprising: transmit leg equipment and receiver equipment, described transmit leg equipment are each described terminal among the claim 7-9, and described receiver equipment is each described terminal among the claim 10-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105070924A CN101980518A (en) | 2010-10-14 | 2010-10-14 | Method, system and terminal for transmitting data |
| PCT/CN2011/070325 WO2012048540A1 (en) | 2010-10-14 | 2011-01-17 | Method, system and terminal for data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105070924A CN101980518A (en) | 2010-10-14 | 2010-10-14 | Method, system and terminal for transmitting data |
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| CN101980518A true CN101980518A (en) | 2011-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105070924A Pending CN101980518A (en) | 2010-10-14 | 2010-10-14 | Method, system and terminal for transmitting data |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101980518A (en) |
| WO (1) | WO2012048540A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102143183A (en) * | 2011-03-24 | 2011-08-03 | 镇江星浪科技产品有限公司 | Document versioning method |
| CN102142036A (en) * | 2011-03-24 | 2011-08-03 | 镇江星浪科技产品有限公司 | Method for determining document change and forming versions |
| CN103685732A (en) * | 2013-11-15 | 2014-03-26 | Tcl显示科技（惠州）有限公司 | Display device and electrostatic protection method thereof |
| CN104486150A (en) * | 2014-12-03 | 2015-04-01 | 中国航空工业集团公司第六三一研究所 | Test method for content completeness of machine-borne network data |
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| JPH0766904A (en) * | 1993-08-23 | 1995-03-10 | Matsushita Electric Ind Co Ltd | Multiplexed communication equipment |
| CN2655526Y (en) * | 2003-11-17 | 2004-11-10 | 府谷县天富电气有限责任公司 | Apparatus for realizing digital continuous communication on wireless communication speech channel |
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| KR20090121863A (en) * | 2008-05-23 | 2009-11-26 | (주)미라콤테크놀로지 | Method for providing non-voice data corresponding to voice data in mobile network and system thereof |
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- 2011-01-17 WO PCT/CN2011/070325 patent/WO2012048540A1/en active Application Filing
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| JPH0766904A (en) * | 1993-08-23 | 1995-03-10 | Matsushita Electric Ind Co Ltd | Multiplexed communication equipment |
| CN2655526Y (en) * | 2003-11-17 | 2004-11-10 | 府谷县天富电气有限责任公司 | Apparatus for realizing digital continuous communication on wireless communication speech channel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102143183A (en) * | 2011-03-24 | 2011-08-03 | 镇江星浪科技产品有限公司 | Document versioning method |
| CN102142036A (en) * | 2011-03-24 | 2011-08-03 | 镇江星浪科技产品有限公司 | Method for determining document change and forming versions |
| CN103685732A (en) * | 2013-11-15 | 2014-03-26 | Tcl显示科技（惠州）有限公司 | Display device and electrostatic protection method thereof |
| CN104486150A (en) * | 2014-12-03 | 2015-04-01 | 中国航空工业集团公司第六三一研究所 | Test method for content completeness of machine-borne network data |
| CN104486150B (en) * | 2014-12-03 | 2017-10-24 | 中国航空工业集团公司第六三一研究所 | A kind of method of testing of onboard networks data content integrality |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012048540A1 (en) | 2012-04-19 |
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Application publication date: 20110223 |