CN105680982A - Data transmission control method, receiving end, sending end and system - Google Patents
Data transmission control method, receiving end, sending end and system Download PDFInfo
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- CN105680982A CN105680982A CN201410676413.1A CN201410676413A CN105680982A CN 105680982 A CN105680982 A CN 105680982A CN 201410676413 A CN201410676413 A CN 201410676413A CN 105680982 A CN105680982 A CN 105680982A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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Abstract
The invention relates to a data transmission control method, receiving end, sending end and system. The method comprises that the sending end monitors whether the data communication link between the sending end and the receiving end is available; when the data communication link is unavailable, the sending end monitors whether the voice communication link between the sending end and the receiving end is available; when the voice communication link between the sending end and the receiving end is available and voice communication is carried out, the sending end switches the data communication to the voice communication link; the sending end codes the data needing to be transmitted as DTMF (Dual Tone Multi Frequency) signals, superposes the signals in voices and sends the voices to the receiving end; the receiving end separates out the DTMF signals from the voices and decodes the data. According to the method, the receiving end, the sending end and the system provided by the invention, the data are transmitted through superposing the DTMF dual tone multi frequency signals in the voice communication link; when the data communication link of the positioning terminal is unavailable, the control commands can be sent and the positioning information can be uploaded; and the original voice communication will not be interfered by the data signals.
Description
Technical field
The present invention relates to communication technique field, particularly relate to the data transfer control method between a kind of running fix terminal and platform, receiving terminal, transmitting terminal and system.
Background technology
At present, running fix terminal issues the information such as control command and uploading position location usually by IP communication data communication link. For power consumption is energy-conservation and the factor of the aspect such as use cost, location terminal generally uses 2G network, its voice channel and data channel can not enable simultaneously, when position terminal be in the business model such as voice monitoring or dialogue need to enable voice link time, data link is unavailable. And for networks such as 3G, 4G, because the reason such as poor signal, trunks busy there is also the situation that data link is unusable. When data link is unavailable, control command can not be issued between platform and location terminal and upload location information, thus have impact on the transmission of data service.
Summary of the invention
Present invention is primarily targeted at a kind of data transfer control method of offer, receiving terminal, transmitting terminal and system, when the data link positioned between terminal and service platform is unavailable, it is achieved the transmission of data service.
In order to achieve the above object, the present invention proposes a kind of data transfer control method,
Whether the data link between transmitting terminal monitoring and receiving terminal can be used;
When described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used;
Voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by described transmitting terminal;
The data encoding needing transmission is send in DTMF (DualToneMultiFrequency, dual-tone multifrequency) signal the voice that is added to described receiving terminal by described transmitting terminal;
Described receiving terminal is isolated dtmf signal from described voice and decodes data.
Preferably, described when data link is unavailable, voice communication link between transmitting terminal monitoring and receiving terminal whether can step after also include:
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, described transmitting terminal is to described receiving terminal initiating speech conversation, and performs to be switched to data communication the step of described voice communication link.
Preferably, the method also includes:
After data link recovery is available, data communication is switched back into data link by described transmitting terminal.
Preferably, the data encoding needing transmission is also include before the step of transmission extremely described receiving terminal in dtmf signal the voice that is added to by described transmitting terminal:
The data needing transmission are converted to 16 binary data by described transmitting terminal.
Preferably, described receiving terminal is service platform, and described transmitting terminal is location terminal; Or, described receiving terminal is location terminal, and described transmitting terminal is service platform.
The embodiment of the present invention also proposes a kind of data transfer control method, including:
Whether the data link between transmitting terminal monitoring and receiving terminal can be used;
When described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
It is dual tone multi-frequency dtmf signal the voice that is added to send to described receiving terminal by the data encoding needing transmission; From described voice, isolated dtmf signal by described receiving terminal and decode data.
Preferably, described when data link is unavailable, voice communication link between transmitting terminal monitoring and receiving terminal whether can step after also include:
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, to described receiving terminal initiating speech conversation, and perform to be switched to data communication the step of described voice communication link.
Preferably, the method also includes:
After data link recovery is available, data communication is switched back into data link by described transmitting terminal.
Preferably, the data encoding needing transmission is also include before the step of transmission extremely described receiving terminal in dtmf signal the voice that is added to by described transmitting terminal:
The data needing transmission are converted to 16 binary data by described transmitting terminal.
The embodiment of the present invention also proposes a kind of data transfer control method, including:
The voice being superimposed with dual tone multi-frequency dtmf signal that receiving terminal receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
From described voice, isolate dtmf signal and decode data.
The embodiment of the present invention also proposes a kind of transmitting terminal controlling data transmission, including:
First monitoring modular, for whether the data link monitored between receiving terminal can be used;
Second monitoring modular, for when described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Handover module, for the voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
Sending module, being used for the data encoding needing transmission is send in dual tone multi-frequency dtmf signal the voice that is added to described receiving terminal; From described voice, isolated dtmf signal by described receiving terminal and decode data.
Preferably, described second monitoring modular, be additionally operable to when the voice communication link monitoring between transmitting terminal and receiving terminal can with but when not carrying out voice call, to described receiving terminal initiating speech conversation, afterwards, data communication is switched to described voice communication link.
Preferably, described handover module, it is additionally operable to, after data link recovery is available, data communication be switched back into data link.
Preferably, described sending module, it is additionally operable to the data needing transmission are converted to 16 binary data.
The embodiment of the present invention also proposes a kind of receiving terminal controlling data transmission, including:
Receiver module, for the voice being superimposed with dual tone multi-frequency dtmf signal that receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
Separate decoder module, for isolating dtmf signal from described voice and decoding data.
The embodiment of the present invention also proposes a kind of data transfer control system, including receiving terminal and transmitting terminal, wherein:
Described transmitting terminal is transmitting terminal as above;
Described receiving terminal is receiving terminal as above.
Preferably, described receiving terminal is service platform, and described transmitting terminal is location terminal; Or, described receiving terminal is location terminal, and described transmitting terminal is service platform.
A kind of data transfer control method, receiving terminal, transmitting terminal and the system that the embodiment of the present invention proposes, whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of data transfer control method one embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of data transfer control method of the present invention;
Fig. 3 is the schematic flow sheet of data transfer control method another embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the another embodiment of data transfer control method of the present invention;
Fig. 5 is the schematic flow sheet of the another embodiment of data transfer control method of the present invention;
Fig. 6 is the schematic flow sheet of the another embodiment of data transfer control method of the present invention;
Fig. 7 is the schematic flow sheet of the another embodiment of data transfer control method of the present invention;
Fig. 8 is the high-level schematic functional block diagram that the present invention controls transmitting terminal one embodiment of data transmission;
Fig. 9 is the high-level schematic functional block diagram that the present invention controls receiving terminal one embodiment of data transmission;
Figure 10 is the configuration diagram of data transfer control system one embodiment of the present invention;
Figure 11 is the examples of architectures schematic diagram that embodiment of the present invention system is concrete;
Figure 12 be existing data link unavailable time data transmission stream journey figure;
Figure 13 is the data transmission stream journey figure that embodiment of the present invention scheme relates to.
In order to make technical scheme clearly, understand, be described in further detail below in conjunction with accompanying drawing.
Detailed description of the invention
The solution of the embodiment of the present invention is mainly: whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
As it is shown in figure 1, one embodiment of the invention proposes a kind of data transfer control method, including:
Step S101, whether the data link between transmitting terminal monitoring and receiving terminal can be used;
The present embodiment scheme relates to the Data Transmission Controlling between running fix terminal and service platform, and wherein, the data of transmission include but not limited to control command and location information.
In the present embodiment, if receiving terminal is service platform, then transmitting terminal is location terminal; Or, described receiving terminal is running fix terminal, and transmitting terminal is service platform.
Due in prior art, when data link is unavailable, control command can not be issued between platform and location terminal and upload location information, thus have impact on the transmission of data service.
The present embodiment scheme is when data link is unavailable, data are transmitted by superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
First, transmitting terminal is when there being data to need to be transferred to receiving terminal, such as service platform needs to issue control command to location terminal, or location terminal needs the situation uploading location information to location service platform, now, as transmitting terminal, can monitor whether the data link between receiving terminal can be used, if it is available, then data link transmission data can be utilized; If it is not then be considered as voice data communication link transmission data.
Step S102, when described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used;
Step S103, the voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by described transmitting terminal;
Specifically, when described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used, voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, the communication of data transmit-receive business is switched to described voice communication link by transmitting terminal, in order to utilize the voice transfer data in voice communication link.
If the voice communication link between transmitting terminal and receiving terminal can with but do not carry out voice call, then cannot be carried out data transmission, it may be considered that transmitting terminal actively initiating speech conversation, in order to utilize the voice transfer data in voice communication link.
Step S104, the data encoding needing transmission is send in dtmf signal the voice that is added to described receiving terminal by described transmitting terminal;
Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by transmitting terminal, data encoding by needs transmission is send to described receiving terminal in dtmf signal the voice that is added to simultaneously, namely transmits data by superposition DTMF touch-tone signal in voice communication link.
Wherein, DTMF definition has 16 kinds of audio frequency, and the present invention takes these 16 kinds of audio frequency and represents 16 binary digits 0-9 and A-F, and each dtmf tone frequency signal can transmit the nibble of 4, and each two dtmf tone frequency signal is one group and can transmit an octet. It is DTMF that the data transmitted (include but not limited to control signaling, location information etc.) be converted to 16 binary data re-encoding, is added in voice communication link transmission by transmitter.
Step S105, described receiving terminal is isolated dtmf signal from described voice and decodes data.
Receiving terminal, after receiving the voice being superimposed with dtmf signal that transmitting terminal is sent, is isolated dtmf signal from this voice and decodes data.
Specifically as on the platform of receiving terminal or location terminal, by filter dtmf signal separated and carry out data process, and ensure that original voice call will not be subject to the interference of data signal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
As shown in Figure 2, another embodiment of the present invention proposes a kind of data transfer control method, based on above-described embodiment, at above-mentioned steps S102: when data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can with including afterwards:
Step S106, when transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, data communication, to described receiving terminal initiating speech conversation, is switched to described voice communication link, and performs step S104 by described transmitting terminal.
Compare above-described embodiment, the present embodiment also include when the voice communication link that transmitting terminal monitors between receiving terminal can with but concrete processing scheme when not carrying out voice call.
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, transmitting terminal is to described receiving terminal actively initiating speech conversation, so that there is voice calling service in the voice communication link between transmitting terminal and receiving terminal.
Then, data communication is switched to described voice communication link by originating end, and is send to described receiving terminal in dtmf signal the voice that is added to by the data encoding needing transmission. Receiving terminal is isolated dtmf signal from described voice and decodes data, thus realize data link unavailable time data transmission.
As it is shown on figure 3, yet another embodiment of the invention proposes a kind of data transfer control method, based on above-described embodiment, also include:
Step S107, after data link recovery is available, data communication is switched back into data link by described transmitting terminal.
Comparing above-described embodiment, the present embodiment also includes data link and recovers the processing scheme after can use.
After data link recovery is available, data communication is switched back into data link by transmitting terminal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Compared to existing technology, embodiment of the present invention scheme has the advantages that
First, the inventive method utilizes existing network, link and technology, it is achieved simple;
Secondly, the inventive method adopts the mode of superposition of data transmission in voice, and real-time, interactivity is good;
3rd, the inventive method utilizes existing voice link, it is not necessary to terminal applies supplier increases extra use cost.
As shown in Figure 4, further embodiment of this invention proposes a kind of data transfer control method, including:
Step S401, whether the data link between transmitting terminal monitoring and receiving terminal can be used;
Step S402, when described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Step S403, the voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
Step S404, it would be desirable to the data encoding of transmission is send in dual tone multi-frequency dtmf signal the voice that is added to described receiving terminal; From described voice, isolated dtmf signal by described receiving terminal and decode data.
The present embodiment scheme relates to the Data Transmission Controlling between running fix terminal and service platform, and wherein, the data of transmission include but not limited to control command and location information.
In the present embodiment, if receiving terminal is service platform, then transmitting terminal is location terminal; Or, described receiving terminal is running fix terminal, and transmitting terminal is service platform.
Due in prior art, when data link is unavailable, control command can not be issued between platform and location terminal and upload location information, thus have impact on the transmission of data service.
The present embodiment scheme is when data link is unavailable, data are transmitted by superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
First, transmitting terminal is when there being data to need to be transferred to receiving terminal, such as service platform needs to issue control command to location terminal, or location terminal needs the situation uploading location information to location service platform, now, as transmitting terminal, can monitor whether the data link between receiving terminal can be used, if it is available, then data link transmission data can be utilized; If it is not then be considered as voice data communication link transmission data.
When described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used, voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, the communication of data transmit-receive business is switched to described voice communication link by transmitting terminal, in order to utilize the voice transfer data in voice communication link.
If the voice communication link between transmitting terminal and receiving terminal can with but do not carry out voice call, then cannot be carried out data transmission, it may be considered that transmitting terminal actively initiating speech conversation, in order to utilize the voice transfer data in voice communication link.
Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by transmitting terminal, data encoding by needs transmission is send to described receiving terminal in dtmf signal the voice that is added to simultaneously, namely transmits data by superposition DTMF touch-tone signal in voice communication link.
Wherein, DTMF definition has 16 kinds of audio frequency, and the present invention takes these 16 kinds of audio frequency and represents 16 binary digits 0-9 and A-F, and each dtmf tone frequency signal can transmit the nibble of 4, and each two dtmf tone frequency signal is one group and can transmit an octet. It is DTMF that the data transmitted (include but not limited to control signaling, location information etc.) be converted to 16 binary data re-encoding, is added in voice communication link transmission by transmitter.
Receiving terminal, after receiving the voice being superimposed with dtmf signal that transmitting terminal is sent, is isolated dtmf signal from this voice and decodes data.
Specifically as on the platform of receiving terminal or location terminal, by filter dtmf signal separated and carry out data process, and ensure that original voice call will not be subject to the interference of data signal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
As shown in Figure 5, further embodiment of this invention proposes a kind of data transfer control method, based on the embodiment shown in above-mentioned Fig. 4, at above-mentioned steps S402: when data link is unavailable, the voice communication link between transmitting terminal monitoring and receiving terminal whether can step after also include:
Step S405, when transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, to described receiving terminal initiating speech conversation, and perform step S404.
Compare above-described embodiment, the present embodiment also include when the voice communication link that transmitting terminal monitors between receiving terminal can with but concrete processing scheme when not carrying out voice call.
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, transmitting terminal is to described receiving terminal actively initiating speech conversation, so that there is voice calling service in the voice communication link between transmitting terminal and receiving terminal.
Then, data communication is switched to described voice communication link by originating end, and is send to described receiving terminal in dtmf signal the voice that is added to by the data encoding needing transmission. Receiving terminal is isolated dtmf signal from described voice and decodes data, thus realize data link unavailable time data transmission.
As shown in Figure 6, further embodiment of this invention proposes a kind of data transfer control method, based on the embodiment shown in above-mentioned Fig. 5, also includes:
Step S406, after data link recovery is available, data communication is switched back into data link by described transmitting terminal.
Comparing above-described embodiment, the present embodiment also includes data link and recovers the processing scheme after can use.
After data link recovery is available, data communication is switched back into data link by transmitting terminal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Compared to existing technology, embodiment of the present invention scheme has the advantages that
First, the inventive method utilizes existing network, link and technology, it is achieved simple;
Secondly, the inventive method adopts the mode of superposition of data transmission in voice, and real-time, interactivity is good;
3rd, the inventive method utilizes existing voice link, it is not necessary to terminal applies supplier increases extra use cost.
As it is shown in fig. 7, further embodiment of this invention proposes a kind of data transfer control method, including:
Step S501, the voice being superimposed with dual tone multi-frequency dtmf signal that receiving terminal receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
Step S502, isolates dtmf signal from described voice and decodes data.
The present embodiment scheme relates to the Data Transmission Controlling between running fix terminal and service platform, and wherein, the data of transmission include but not limited to control command and location information.
In the present embodiment, if receiving terminal is service platform, then transmitting terminal is location terminal; Or, described receiving terminal is running fix terminal, and transmitting terminal is service platform.
Due in prior art, when data link is unavailable, control command can not be issued between platform and location terminal and upload location information, thus have impact on the transmission of data service.
The present embodiment scheme is when data link is unavailable, data are transmitted by superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
First, transmitting terminal is when there being data to need to be transferred to receiving terminal, such as service platform needs to issue control command to location terminal, or location terminal needs the situation uploading location information to location service platform, now, as transmitting terminal, can monitor whether the data link between receiving terminal can be used, if it is available, then data link transmission data can be utilized; If it is not then be considered as voice data communication link transmission data.
When described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used, voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, the communication of data transmit-receive business is switched to described voice communication link by transmitting terminal, in order to utilize the voice transfer data in voice communication link.
If the voice communication link between transmitting terminal and receiving terminal can with but do not carry out voice call, then cannot be carried out data transmission, it may be considered that transmitting terminal actively initiating speech conversation, in order to utilize the voice transfer data in voice communication link.
Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by transmitting terminal, data encoding by needs transmission is send to described receiving terminal in dtmf signal the voice that is added to simultaneously, namely transmits data by superposition DTMF touch-tone signal in voice communication link.
Wherein, DTMF definition has 16 kinds of audio frequency, and the present invention takes these 16 kinds of audio frequency and represents 16 binary digits 0-9 and A-F, and each dtmf tone frequency signal can transmit the nibble of 4, and each two dtmf tone frequency signal is one group and can transmit an octet. It is DTMF that the data transmitted (include but not limited to control signaling, location information etc.) be converted to 16 binary data re-encoding, is added in voice communication link transmission by transmitter.
Receiving terminal, after receiving the voice being superimposed with dtmf signal that transmitting terminal is sent, is isolated dtmf signal from this voice and decodes data.
Specifically as on the platform of receiving terminal or location terminal, by filter dtmf signal separated and carry out data process, and ensure that original voice call will not be subject to the interference of data signal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Further, when transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, transmitting terminal is to described receiving terminal actively initiating speech conversation, so that there is voice calling service in the voice communication link between transmitting terminal and receiving terminal.
Then, data communication is switched to described voice communication link by originating end, and is send to described receiving terminal in dtmf signal the voice that is added to by the data encoding needing transmission. Receiving terminal is isolated dtmf signal from described voice and decodes data, thus realize data link unavailable time data transmission.
Further, after data link recovery is available, data communication is switched back into data link by transmitting terminal.
The present embodiment passes through such scheme, and whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Compared to existing technology, embodiment of the present invention scheme has the advantages that
First, the inventive method utilizes existing network, link and technology, it is achieved simple;
Secondly, the inventive method adopts the mode of superposition of data transmission in voice, and real-time, interactivity is good;
3rd, the inventive method utilizes existing voice link, it is not necessary to terminal applies supplier increases extra use cost.
As shown in Figure 8, one embodiment of the invention proposes a kind of transmitting terminal controlling data transmission, including: first monitoring modular the 301, second monitoring modular 302, handover module 303 and sending module 304, wherein:
First monitoring modular 301, for whether the data link monitored between receiving terminal can be used;
Second monitoring modular 302, for when described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Handover module 303, for the voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
Sending module 304, being used for the data encoding needing transmission is send in dual tone multi-frequency dtmf signal the voice that is added to described receiving terminal; From described voice, isolated dtmf signal by described receiving terminal and decode data.
The present embodiment transmitting terminal and receiving terminal realize process and the principle of Data Transmission Controlling alternately, ask parameter above-described embodiment, do not repeat them here.
As it is shown in figure 9, one embodiment of the invention proposes a kind of receiving terminal controlling data transmission, including: receiver module 401 and separation decoder module 402, wherein:
Receiver module 401, for the voice being superimposed with dual tone multi-frequency dtmf signal that receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
Separate decoder module 402, for isolating dtmf signal from described voice and decoding data.
The present embodiment transmitting terminal and receiving terminal realize process and the principle of Data Transmission Controlling alternately, ask parameter above-described embodiment, do not repeat them here.
As shown in Figure 10, the embodiment of the present invention proposes a kind of data transfer control system, including receiving terminal 201 and transmitting terminal 202, wherein:
Transmitting terminal 202, for whether the data link monitored between receiving terminal 201 can be used; When described data link is unavailable, whether monitoring and the voice communication link between receiving terminal 201 can be used; Voice communication link between described transmitting terminal 202 and receiving terminal 201 can with and when carrying out voice call, data communication is switched to described voice communication link; And be that dtmf signal the voice that is added to send to described receiving terminal 201 by the data encoding needing transmission;
Described receiving terminal 201, for isolating dtmf signal and decoding data from described voice.
The present embodiment scheme relates to the Data Transmission Controlling between running fix terminal and service platform, and wherein, the data of transmission include but not limited to control command and location information.
In the present embodiment, if receiving terminal 201 is service platform, then transmitting terminal 202 is location terminal; Or, described receiving terminal 201 is running fix terminal, and transmitting terminal 202 is service platform.
Due in prior art, when data link is unavailable, control command can not be issued between platform and location terminal and upload location information, thus have impact on the transmission of data service.
The present embodiment scheme is when data link is unavailable, data are transmitted by superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
First, transmitting terminal 202 is when there being data to need to be transferred to receiving terminal 201, such as service platform needs to issue control command to location terminal, or location terminal needs the situation uploading location information to location service platform, now, as transmitting terminal 202, can monitor whether the data link between receiving terminal 201 can be used, if it is available, then data link transmission data can be utilized; If it is not then be considered as voice data communication link transmission data.
When described data link is unavailable, transmitting terminal 202 monitors whether the voice communication link between receiving terminal 201 can be used, voice communication link between described transmitting terminal 202 and receiving terminal 201 can with and when carrying out voice call, data communication is switched to described voice communication link by described transmitting terminal 202;
Specifically, when described data link is unavailable, transmitting terminal 202 monitors whether the voice communication link between receiving terminal 201 can be used, voice communication link between described transmitting terminal 202 and receiving terminal 201 can with and when carrying out voice call, the communication of data transmit-receive business is switched to described voice communication link by transmitting terminal 202, in order to utilize the voice transfer data in voice communication link.
If the voice communication link between transmitting terminal 202 and receiving terminal 201 can with but do not carry out voice call, then cannot be carried out data transmission, it may be considered that transmitting terminal 202 actively initiating speech conversation, in order to utilize the voice transfer data in voice communication link.
Voice communication link between transmitting terminal 202 and receiving terminal 201 can with and when carrying out voice call, data communication is switched to described voice communication link by transmitting terminal 202, data encoding by needs transmission is send to described receiving terminal 201 in dtmf signal the voice that is added to simultaneously, namely transmits data by superposition DTMF touch-tone signal in voice communication link.
Wherein, DTMF definition has 16 kinds of audio frequency, and the present invention takes these 16 kinds of audio frequency and represents 16 binary digits 0-9 and A-F, and each dtmf tone frequency signal can transmit the nibble of 4, and each two dtmf tone frequency signal is one group and can transmit an octet. It is DTMF that the data transmitted (include but not limited to control signaling, location information etc.) be converted to 16 binary data re-encoding, is added in voice communication link transmission by transmitter.
Receiving terminal 201, after receiving the voice being superimposed with dtmf signal that transmitting terminal 202 is sent, is isolated dtmf signal from this voice and decodes data.
Specifically as on the platform of receiving terminal 201 or location terminal, by filter dtmf signal separated and carry out data process, and ensure that original voice call will not be subject to the interference of data signal.
The present embodiment passes through such scheme, and transmitting terminal 202 monitors whether the data link between receiving terminal 201 can be used; When data link is unavailable, transmitting terminal 202 monitors whether the voice communication link between receiving terminal 201 can be used; Voice communication link between transmitting terminal 202 and receiving terminal 201 can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal 202; It is dtmf signal the voice that is added to send to receiving terminal 201 by needing the data encoding transmitted; Receiving terminal 201 is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Further, described transmitting terminal 202, be additionally operable to when the voice communication link monitored between receiving terminal 201 can with but when not carrying out voice call, to described receiving terminal 201 initiating speech conversation, and data communication is switched to described voice communication link.
When transmitting terminal 202 monitor the voice communication link between receiving terminal 201 can with but when not carrying out voice call, transmitting terminal 202 is to described receiving terminal 201 actively initiating speech conversation, so that there is voice calling service in the voice communication link between transmitting terminal 202 and receiving terminal 201.
Then, data communication is switched to described voice communication link by originating end, and is send to described receiving terminal 201 in dtmf signal the voice that is added to by the data encoding needing transmission. Receiving terminal 201 is isolated dtmf signal from described voice and decodes data, thus realize data link unavailable time data transmission.
Further, described transmitting terminal 202, it is additionally operable to, after data link recovery is available, data communication be switched back into data link.
The present embodiment passes through such scheme, data are transmitted by superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
When implementing, it is possible to increase corresponding functional module to perform corresponding function in service platform, location terminal. Hereinafter this is described in detail.
As it is shown in figure 5, Fig. 5 examples of architectures schematic diagram that to be the present embodiment system concrete.
Wherein, platform is as service end, and terminal is as client. There are two kinds of links between platform and terminal, one is voice communication link, and another kind is wireless data communication link. Voice communication link is wireless voice communication, as long as terminal has electricity all can keep signaling with cordless communication network, and then can carry out wireless voice communication; RFDC adopts 2G, 3G, 4G data network to communicate.
Increase a link control module at platform and terminal, be used for differentiating and switch currently used data link or voice communication link to transmit data;
Increase a laminating module, for the voice that is added to by DTMF sends;
Increase a filtering module, for isolating dtmf signal from voice;
Increase a coding module and be encoded to DTMF form for the information that will transmit;
Increase a decoder module for dtmf signal being decoded as control signaling and data.
At voice call busy channel, data user's number beyond data link when capacity of trunk, poor signal by unavailable. As shown in Figure 6, Fig. 6 is present data transmission flow chart, is not in contact with between voice communication link and data link, when data link is unavailable, controls the data such as signaling and location information and all cannot transmit.
Link control module in platform and terminal, when finding that data link is unavailable, will detect the state of now voice communication link, if voice communication link can use and voice call is underway, then data communication is switched in voice communication link. After data link recovery is available, data communication is switched back into data link by link control module again.
As it is shown in fig. 7, the data transmission stream journey figure that Fig. 7 is the present embodiment scheme to be related to, when data link is unavailable, controls the data such as signaling and location information and transmitted by voice communication link.
When data communication is undertaken by voice communication link, the data encoding that first coding module of data sending terminal will transmit becomes DTMF form, and dtmf tone frequency Signal averaging is sent by voice link by laminating module to voice; When the filtering module of data receiver detects dtmf signal in voice, being separated by dtmf signal from voice, the voice after separation no longer comprises the dtmf signal being applied, and the dtmf signal after separation is delivered to decoder module and decoded the data being transmitted.
Data communication part is shielded data link and the details of voice communication link switching by link control module, and legacy data handling process need not be changed for different link modes.
The details of the data that voice call partly shielding effect is transmitted by laminating module and filtering module, original voice call handling process is unaffected also without being changed.
On implementing, including but not limited to: hardware realizes, software realizes, software and hardware mixing realizes.
4 newly-increased modules can individualism, it is also possible to merges each other or with other modules and realizes. Including but not limited to: coding module, decoder module are merged into coding/decoding module, laminating module, filtering module are merged into transceiver module etc. Module after merging undertakes the function merging front each module and flow process is constant.
Below in conjunction with instantiation, embodiment of the present invention scheme is described in detail:
Platform is sent out location in voice monitoring process and is controlled signaling to terminal, terminal to report current location information. Concrete handling process is as follows:
S301, voice monitoring operation initiated by platform, sets up voice channel between platform and terminal, and data link is unavailable. The link control module of platform and terminal finds out this change, and data communication is switched to voice link pattern, enters step 302;
S302, platform issues location and controls signaling, and location control signaling is sent to coding module and carries out dtmf code by link control module, enters step 303;
S303, the location after dtmf code controls signaling and is sent to laminating module, the location represented with dtmf tone frequency signal is controlled signaling and is added on the voice flow of voice monitoring, enter step 304;
S304, voice flow is sent to terminal by voice link, is detected by the filtering module of terminal, enters step 305;
S305, the filtering module of terminal isolates dtmf tone frequency signal from voice, and the voice after separation continues normal voice monitoring flow process, and the dtmf tone frequency signal after separation delivers to decoder module, enters step 306;
S306, dtmf tone frequency signal decoded back is controlled signaling for location by decoder module, is sent to link control module, enters step S307;
S307, location is controlled signaling and passes to the follow-up module normal process of terminal by link control module;
S308, current location information is returned to platform after controlling signaling by the complete location of terminal processes;
S309, if current speech monitoring has terminated and data link recovers, then the link control module of terminal selects data link pattern, and positional information is sent to platform, platform and terminal room by data link and reverts to normal data communication mode; Otherwise enter step 310;
S310, is currently still in voice monitoring and data link down state, and the link control module of terminal selects voice link pattern, and positional information is sent to coding module, enters step 311;
S311, positional information is carried out dtmf code by the coding module of terminal, enters step 312;
S312, the positional information after dtmf code is sent to laminating module, and dtmf tone frequency signal is added on voice, enters step 313;
S313, the voice of superposition dtmf tone frequency signal is sent to platform by voice link, is detected by the filtering module of platform, enters step 314;
S314, the filtering module of platform isolates dtmf tone frequency signal from voice, and the voice after separation continues normal voice monitoring flow process, and the dtmf tone frequency signal after separation delivers to decoder module, enters step 315;
S315, dtmf tone frequency signal decoded back is positional information by decoder module, is sent to link control module, enters step S316;
S316, the positional information of terminal is passed to the follow-up module normal process of platform by link control module.
Embodiment of the present invention data transfer control method, receiving terminal, transmitting terminal and system, whether the data link between transmitting terminal monitoring and receiving terminal can be used; When data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used; Voice communication link between transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to voice communication link by transmitting terminal; It is that dtmf signal the voice that is added to send to receiving terminal by needing the data encoding transmitted; Receiving terminal is isolated dtmf signal from voice and decodes data, data are transmitted from there through superposition DTMF dual-tone multifrequency in voice communication link, control command when realization location terminal data communication link is unavailable issues and location information is uploaded, and can ensure that original voice call will not be subject to the interference of data signal.
Compared to existing technology, embodiment of the present invention scheme has the advantages that
First, the inventive method utilizes existing network, link and technology, it is achieved simple;
Secondly, the inventive method adopts the mode of superposition of data transmission in voice, and real-time, interactivity is good;
3rd, the inventive method utilizes existing voice link, it is not necessary to terminal applies supplier increases extra use cost.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in the scope of patent protection of the present invention.
Claims (17)
1. a data transfer control method, it is characterised in that
Whether the data link between transmitting terminal monitoring and receiving terminal can be used;
When described data link is unavailable, whether the voice communication link between transmitting terminal monitoring and receiving terminal can be used;
Voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link by described transmitting terminal;
The data encoding needing transmission is send in dual tone multi-frequency dtmf signal the voice that is added to described receiving terminal by described transmitting terminal;
Described receiving terminal is isolated dtmf signal from described voice and decodes data.
2. method according to claim 1, it is characterised in that described when data link is unavailable, the voice communication link between transmitting terminal monitoring and receiving terminal whether can step after also include:
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, described transmitting terminal is to described receiving terminal initiating speech conversation, and performs to be switched to data communication the step of described voice communication link.
3. method according to claim 1, it is characterised in that also include:
After data link recovery is available, data communication is switched back into data link by described transmitting terminal.
4. method according to claim 1, it is characterised in that the data encoding needing transmission is also include before the step of transmission extremely described receiving terminal in dtmf signal the voice that is added to by described transmitting terminal:
The data needing transmission are converted to 16 binary data by described transmitting terminal.
5. the method according to any one of claim 1-4, it is characterised in that described receiving terminal is service platform, described transmitting terminal is location terminal; Or, described receiving terminal is location terminal, and described transmitting terminal is service platform.
6. a data transfer control method, it is characterised in that including:
Whether the data link between transmitting terminal monitoring and receiving terminal can be used;
When described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
It is dual tone multi-frequency dtmf signal the voice that is added to send to described receiving terminal by the data encoding needing transmission; From described voice, isolated dtmf signal by described receiving terminal and decode data.
7. method according to claim 6, it is characterised in that described when data link is unavailable, the voice communication link between transmitting terminal monitoring and receiving terminal whether can step after also include:
When transmitting terminal monitor the voice communication link between receiving terminal can with but when not carrying out voice call, to described receiving terminal initiating speech conversation, and perform to be switched to data communication the step of described voice communication link.
8. method according to claim 6, it is characterised in that also include:
After data link recovery is available, data communication is switched back into data link by described transmitting terminal.
9. method according to claim 6, it is characterised in that the data encoding needing transmission is also include before the step of transmission extremely described receiving terminal in dtmf signal the voice that is added to by described transmitting terminal:
The data needing transmission are converted to 16 binary data by described transmitting terminal.
10. a data transfer control method, it is characterised in that including:
The voice being superimposed with dual tone multi-frequency dtmf signal that receiving terminal receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
From described voice, isolate dtmf signal and decode data.
11. the transmitting terminal controlling data transmission, it is characterised in that including:
First monitoring modular, for whether the data link monitored between receiving terminal can be used;
Second monitoring modular, for when described data link is unavailable, whether monitoring and the voice communication link between receiving terminal can be used;
Handover module, for the voice communication link between described transmitting terminal and receiving terminal can with and when carrying out voice call, data communication is switched to described voice communication link;
Sending module, being used for the data encoding needing transmission is send in dual tone multi-frequency dtmf signal the voice that is added to described receiving terminal; From described voice, isolated dtmf signal by described receiving terminal and decode data.
12. transmitting terminal according to claim 11, it is characterised in that
Described second monitoring modular, be additionally operable to when the voice communication link monitoring between transmitting terminal and receiving terminal can with but when not carrying out voice call, to described receiving terminal initiating speech conversation, afterwards, data communication is switched to described voice communication link.
13. transmitting terminal according to claim 11, it is characterised in that
Described handover module, is additionally operable to, after data link recovery is available, data communication be switched back into data link.
14. transmitting terminal according to claim 11, it is characterised in that
Described sending module, is additionally operable to the data needing transmission are converted to 16 binary data.
15. the receiving terminal controlling data transmission, it is characterised in that including:
Receiver module, for the voice being superimposed with dual tone multi-frequency dtmf signal that receiving end/sending end is sent by voice communication link; In described dtmf signal, coding has described transmitting terminal to need the data of transmission;
Separate decoder module, for isolating dtmf signal from described voice and decoding data.
16. a data transfer control system, it is characterised in that include receiving terminal and transmitting terminal, wherein:
Described transmitting terminal is the transmitting terminal according to any one of claim 11-14;
Described receiving terminal is the receiving terminal described in claim 15.
17. system according to claim 16, it is characterised in that described receiving terminal is service platform, described transmitting terminal is location terminal; Or, described receiving terminal is location terminal, and described transmitting terminal is service platform.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676413.1A CN105680982A (en) | 2014-11-21 | 2014-11-21 | Data transmission control method, receiving end, sending end and system |
| PCT/CN2015/076476 WO2015184926A1 (en) | 2014-11-21 | 2015-04-13 | Data transmission control method, receiving end, sending end and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410676413.1A CN105680982A (en) | 2014-11-21 | 2014-11-21 | Data transmission control method, receiving end, sending end and system |
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| CN201410676413.1A Withdrawn CN105680982A (en) | 2014-11-21 | 2014-11-21 | Data transmission control method, receiving end, sending end and system |
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| WO (1) | WO2015184926A1 (en) |
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| CN115146125A (en) * | 2022-05-27 | 2022-10-04 | 北京科技大学 | Receiving end data filtering method and device under semantic communication multi-address access scene |
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| WO2015184926A1 (en) | 2015-12-10 |
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