WO2015184926A1 - 数据传输控制方法、接收端、发送端及系统 - Google Patents
数据传输控制方法、接收端、发送端及系统 Download PDFInfo
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- WO2015184926A1 WO2015184926A1 PCT/CN2015/076476 CN2015076476W WO2015184926A1 WO 2015184926 A1 WO2015184926 A1 WO 2015184926A1 CN 2015076476 W CN2015076476 W CN 2015076476W WO 2015184926 A1 WO2015184926 A1 WO 2015184926A1
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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
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a data transmission control method, a receiving end, a transmitting end, and a system between a mobile positioning terminal and a platform.
- the mobile positioning terminal usually sends information such as control commands and upload location positioning through the IP communication data communication link. Due to factors such as power consumption, energy consumption, and cost of use, the positioning terminal usually uses a 2G network, and its voice channel and data channel cannot be enabled at the same time. When the positioning terminal is in a voice monitoring or conversation service mode, the voice link needs to be enabled. The communication link is not available. For networks such as 3G and 4G, data communication links are not available because of poor signal and busy lines. When the data communication link is unavailable, the control command and the uploading location information cannot be sent between the platform and the positioning terminal, thereby affecting the transmission of the data service.
- the embodiments of the present invention provide a data transmission control method, a receiving end, a transmitting end, and a system, to solve the technical problem of how to implement data service transmission when a data communication link between the positioning terminal and the service platform is unavailable.
- the present invention provides a data transmission control method, the method comprising:
- the sender monitors whether the data communication link between the receiver and the receiver is available
- the sender monitors whether a voice communication link between the receiver and the receiver is available;
- the transmitting end switches data communication to the voice communication link
- the transmitting end encodes the data to be transmitted into a DTMF (Dual Tone Multi Frequency) signal and superimposes it into the voice signal and sends the data to the receiving end;
- DTMF Double Tone Multi Frequency
- the receiving end separates the DTMF signal from the voice signal and decodes the data.
- the method further includes:
- the transmitting end When the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the transmitting end initiates a voice call to the receiving end, and performs switching of data communication to the voice communication link. step.
- the method further includes:
- the method further includes:
- the transmitting end encodes the data to be transmitted as a DTMF signal and superimposes it on the voice before transmitting to the receiving end,
- the receiving end is a service platform, and the sending end is a positioning terminal; or the receiving end is a positioning terminal, and the sending end is a service platform.
- the embodiment of the invention further provides a data transmission control method, including:
- the sender monitors whether the data communication link between the receiver and the receiver is available
- the sender monitors whether a voice communication link between the receiver and the receiver is available;
- the transmitting end switches the data communication to the voice communication link
- the transmitting end encodes the data to be transmitted into a dual tone multi-frequency DTMF signal and superimposes it into the voice and transmits it to the receiving end.
- the method further includes:
- the transmitting end When the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the transmitting end initiates a voice call to the receiving end, and performs a step of switching data communication to the voice communication link.
- the method further includes:
- the method further includes:
- the transmitting end encodes the data to be transmitted as a DTMF signal and superimposes it on the voice signal before transmitting to the receiving end,
- the embodiment of the invention further provides a data transmission control method, including:
- the receiving end receives the voice superimposed with the dual-tone multi-frequency DTMF signal sent by the transmitting end through the voice communication link;
- the DTMF signal is encoded with the data that the transmitting end needs to transmit;
- a DTMF signal is separated from the speech signal and the data is decoded.
- An embodiment of the present invention further provides a sending end for controlling data transmission, including:
- a first monitoring module configured to monitor whether a data communication link between the receiving end and the receiving end is available
- a second monitoring module configured to monitor whether a voice communication link between the receiving end and the receiving end is available when the data communication link is unavailable
- a switching module configured to switch data communication to the voice communication link when a voice communication link between the sender and the receiver is available and a voice call is made;
- the sending module is configured to encode the data to be transmitted into a dual tone multi-frequency DTMF signal and superimpose it into the voice and send to the receiving end.
- the second monitoring module is further configured to initiate a voice call to the receiving end when the voice communication link between the transmitting end and the receiving end is available but does not perform a voice call, and then, the data is sent. The communication is switched to the voice communication link.
- the switching module is further configured to switch the data communication back to the data communication link after the data communication link is restored.
- the sending module is further configured to convert data to be transmitted into hexadecimal data.
- An embodiment of the present invention further provides a receiving end for controlling data transmission, including:
- a receiving module configured to receive a voice superimposed with a dual-tone multi-frequency DTMF signal sent by the transmitting end through a voice communication link; the DTMF signal is encoded with data that needs to be transmitted by the transmitting end;
- the separation decoding module is configured to separate the DTMF signal from the speech signal and decode the data.
- the embodiment of the invention further provides a data transmission control system, comprising a receiving end and a transmitting end, wherein:
- the sending end is a sending end as described above;
- the receiving end is a receiving end as described above.
- the receiving end is a service platform, and the sending end is a positioning terminal; or the receiving end is a positioning terminal, and the sending end is a service platform.
- the embodiment of the invention further provides a computer program, comprising program instructions, when the program instruction is executed by the sending end, enabling the transmitting end to perform the method described in any one of the above.
- Embodiments of the present invention also provide a carrier carrying the computer program.
- a data transmission control method, a receiving end, a transmitting end, and a system which are provided by the embodiment of the present invention, whether a data communication link between the transmitting end and the receiving end is available; when the data communication link is unavailable, the transmitting end monitors and receives Whether the voice communication link between the terminals is available; when the voice communication link between the sender and the receiver is available and a voice call is made, the sender switches the data communication to the voice communication link; and encodes the data to be transmitted as The DTMF signal is superimposed on the voice and sent to the receiving end; the receiving end separates the DTMF signal from the voice and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the positioning terminal data communication.
- the link is unavailable, the control commands are sent and the positioning information is uploaded, and the original voice call is not interfered by the data signal.
- FIG. 1 is a schematic flow chart of a data transmission control method according to an embodiment of the present invention.
- FIG. 2 is a schematic flow chart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 3 is a schematic flow chart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 4 is a schematic flow chart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 5 is a schematic flowchart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 6 is a schematic flow chart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 7 is a schematic flow chart of a data transmission control method according to still another embodiment of the present invention.
- FIG. 8 is a schematic diagram of functional modules of a transmitting end for controlling data transmission according to an embodiment of the present invention.
- FIG. 9 is a schematic diagram of functional modules of a receiving end for controlling data transmission according to an embodiment of the present invention.
- FIG. 10 is a schematic structural diagram of a data transmission control system according to an embodiment of the present invention.
- FIG. 11 is a schematic diagram showing an example of an architecture of a system according to an embodiment of the present invention.
- Figure 12 is a flow chart of data transmission when the associated data communication link is unavailable
- FIG. 13 is a flowchart of data transmission involved in an embodiment of the present invention.
- the data communication link between the transmitting end and the receiving end is available; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link between the receiving ends is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; the receiving end The DTMF signal is separated from the voice signal and the data is decoded, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, so that the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable. And can ensure that the original voice call will not be interfered by the data signal.
- an embodiment of the present invention provides a data transmission control method, including:
- Step S101 The transmitting end monitors whether a data communication link between the receiving end and the receiving end is available.
- the solution in this embodiment relates to data transmission control between the mobile positioning terminal and the service platform, wherein the transmitted data includes but is not limited to a control command and positioning information.
- the sending end is a positioning terminal; or the receiving end is a mobile positioning terminal, and the sending end is a service platform.
- the data when the data communication link is unavailable, the data is transmitted by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control life when the positioning terminal data communication link is unavailable.
- the uploading and positioning information is uploaded, and the original voice call is not interfered by the data signal.
- the service platform needs to send a control command to the positioning terminal, or the positioning terminal needs to upload the positioning information to the positioning service platform.
- the transmitting end it will monitor and Whether the data communication link between the receiving ends is available, if available, the data communication link can be used to transmit data; if not available, consider using a voice data communication link to transmit data.
- Step S102 When the data communication link is unavailable, the transmitting end monitors whether a voice communication link between the receiving end and the receiving end is available.
- Step S103 when the voice communication link between the transmitting end and the receiving end is available and a voice call is made, the sending end switches data communication to the voice communication link;
- the sender monitors whether a voice communication link between the receiver and the receiver is available, and when the voice communication link between the sender and the receiver is available and makes a voice call.
- the transmitting end switches the communication of the data transceiving service to the voice communication link to transmit data using voice in the voice communication link.
- the sender actively initiates a voice call to transmit data using voice in the voice communication link.
- Step S104 the transmitting end encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal and sends the data to the receiving end;
- the sender switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal.
- DTMF defines 16 kinds of audio
- the embodiment of the present invention takes the 16 kinds of audio to represent hexadecimal digits 0-9 and AF, and each DTMF audio signal can transmit a 4-bit nibble, every two DTMF audio A group of signals can transmit an 8-bit byte.
- the data to be transmitted (including but not limited to control signaling, positioning information, etc.) is converted into hexadecimal data and then encoded into DTMF, which is superimposed on the voice communication link by the transmitter for transmission.
- Step S105 the receiving end separates the DTMF signal from the voice signal and decodes the number according to.
- the receiving end After receiving the voice signal superimposed with the DTMF signal sent by the transmitting end, the receiving end separates the DTMF signal from the voice signal and decodes the data.
- the DTMF signal is separated by the filter for data processing, and the original voice call is not interfered by the data signal.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- another embodiment of the present invention provides a data transmission control method.
- step S102 when the data communication link is unavailable, the voice communication link between the transmitting end and the receiving end is monitored. After the road is available, it can also include:
- Step S106 when the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the sending end initiates a voice call to the receiving end, and switches data communication to the voice communication link. And executing step S104.
- the embodiment further includes a processing scheme when the transmitting end monitors that the voice communication link with the receiving end is available but does not make a voice call.
- the transmitting end When the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the sending end initiates a voice call to the receiving end, thereby causing a voice communication link between the transmitting end and the receiving end. There is a voice call service on it.
- the originating end switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal and transmits it to the receiving end.
- the receiving end separates the DTMF signal from the voice signal and decodes the data, thereby realizing data transmission when the data communication link is unavailable.
- another embodiment of the present invention provides a data transmission control method, and based on the foregoing embodiment, the method further includes:
- Step S107 after the data communication link is restored, the transmitting end switches the data communication back to the data communication link.
- the embodiment further includes a processing scheme after the data communication link is restored.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- the embodiment of the present invention utilizes related networks, links, and technologies to achieve simplicity
- the embodiment of the present invention adopts a method of superimposing data transmission in voice, which has strong real-time performance and good interactivity;
- the embodiments of the present invention utilize the associated voice link without requiring the terminal application provider to add additional usage costs.
- another embodiment of the present invention provides a data transmission control method, including:
- Step S401 the sender monitors whether a data communication link between the receiving end and the receiving end is available
- Step S402 when the data communication link is unavailable, monitoring whether a voice communication link between the receiving end and the receiving end is available;
- Step S403 when the voice communication link between the transmitting end and the receiving end is available and a voice call is made, the data communication is switched to the voice communication link;
- Step S404 encoding the data to be transmitted into a dual-tone multi-frequency DTMF signal and superimposing on the voice
- the signal is sent to the receiving end; the receiving end separates the DTMF signal from the voice signal and decodes the data.
- the solution in this embodiment relates to data transmission control between the mobile positioning terminal and the service platform, wherein the transmitted data includes but is not limited to a control command and positioning information.
- the sending end is a positioning terminal; or the receiving end is a mobile positioning terminal, and the sending end is a service platform.
- the data when the data communication link is unavailable, the data is transmitted by superimposing DTMF dual-tone multi-frequency in the voice communication link, so that the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable, and Ensure that the original voice call is not interfered with by the data signal.
- the service platform needs to send a control command to the positioning terminal, or the positioning terminal needs to upload the positioning information to the positioning service platform.
- the transmitting end it will monitor and Whether the data communication link between the receiving ends is available, if available, the data communication link can be used to transmit data; if not available, consider using a voice data communication link to transmit data.
- the sender monitors whether the voice communication link between the receiver and the receiver is available, and when the voice communication link between the sender and the receiver is available and makes a voice call, the sender The communication of the data transceiving service is switched to the voice communication link to utilize the voice in the voice communication link to transmit data.
- the sender actively initiates a voice call to transmit data using voice in the voice communication link.
- the sender switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal.
- DTMF defines 16 kinds of audio
- the embodiment of the present invention takes the 16 kinds of audio to represent hexadecimal digits 0-9 and A-F, and each DTMF audio signal can transmit a 4-bit nibble.
- Each of the two DTMF audio signals can transmit one 8-bit byte.
- the data to be transmitted (including but not limited to control signaling, positioning information, etc.) is converted into hexadecimal data and then encoded into DTMF, which is superimposed on the voice communication link by the transmitter for transmission.
- the receiving end After receiving the voice signal superimposed with the DTMF signal sent by the transmitting end, the receiving end separates the DTMF signal from the voice signal and decodes the data.
- the DTMF signal is separated by the filter for data processing, and the original voice call is not interfered by the data signal.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- another embodiment of the present invention provides a data transmission control method.
- the transmitting end monitors and receives the terminal.
- the method further includes:
- Step S405 when the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, initiates a voice call to the receiving end, and performs step S404.
- the embodiment further includes a processing scheme when the transmitting end monitors that the voice communication link with the receiving end is available but does not make a voice call.
- the transmitting end When the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the sending end initiates a voice call to the receiving end, thereby causing a voice communication link between the transmitting end and the receiving end. There is a voice call service on it.
- the originating end switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal and transmits it to the receiving end.
- the receiving end separates the DTMF signal from the voice signal and decodes the data, thereby realizing data transmission when the data communication link is unavailable.
- another embodiment of the present invention provides a data transmission control method.
- the method further includes:
- Step S406 after the data communication link is restored, the transmitting end switches the data communication back to the data communication link.
- the embodiment further includes a processing scheme after the data communication link is restored.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- the method of superimposing data transmission in the voice signal is adopted, and the real-time performance is strong and the interactivity is good;
- another embodiment of the present invention provides a data transmission control method, including:
- Step S501 the receiving end receives the voice superimposed with the dual-tone multi-frequency DTMF signal sent by the transmitting end through the voice communication link; the DTMF signal is encoded with the data that the transmitting end needs to transmit;
- Step S502 separating the DTMF signal from the voice signal and decoding the data.
- the solution in this embodiment relates to data transmission control between the mobile positioning terminal and the service platform, wherein the transmitted data includes but is not limited to a control command and positioning information.
- the receiving end is a service platform
- the sending end is a positioning terminal; or, the The receiving end is a mobile positioning terminal, and the transmitting end is a service platform.
- the data when the data communication link is unavailable, the data is transmitted by superimposing DTMF dual-tone multi-frequency in the voice communication link, so that the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable, and Ensure that the original voice call is not interfered with by the data signal.
- the service platform needs to send a control command to the positioning terminal, or the positioning terminal needs to upload the positioning information to the positioning service platform.
- the transmitting end it will monitor and Whether the data communication link between the receiving ends is available, if available, the data communication link can be used to transmit data; if not available, consider using a voice data communication link to transmit data.
- the sender monitors whether the voice communication link between the receiver and the receiver is available, and when the voice communication link between the sender and the receiver is available and makes a voice call, the sender The communication of the data transceiving service is switched to the voice communication link to utilize the voice in the voice communication link to transmit data.
- the sender actively initiates a voice call to transmit data using voice in the voice communication link.
- the sender switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal.
- DTMF defines 16 kinds of audio
- the embodiment of the present invention takes the 16 kinds of audio to represent hexadecimal digits 0-9 and AF, and each DTMF audio signal can transmit a 4-bit nibble, every two DTMF audio A group of signals can transmit an 8-bit byte.
- the data to be transmitted (including but not limited to control signaling, positioning information, etc.) is converted into hexadecimal data and then encoded into DTMF, which is superimposed on the voice communication link by the transmitter for transmission.
- the receiving end After receiving the voice superimposed with the DTMF signal sent by the transmitting end, the receiving end separates the DTMF signal from the voice signal and decodes the data.
- the DTMF signal is separated by the filter for data processing, and the original voice call is not interfered by the data signal.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- the transmitting end When the transmitting end detects that the voice communication link with the receiving end is available but does not make a voice call, the sending end initiates a voice call to the receiving end, thereby causing a voice communication link between the transmitting end and the receiving end. There is a voice call service on it.
- the originating end switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal and transmits it to the receiving end.
- the receiving end separates the DTMF signal from the voice signal and decodes the data, thereby realizing data transmission when the data communication link is unavailable.
- whether the data communication link between the transmitting end and the receiving end is available is available through the foregoing solution; when the data communication link is unavailable, the transmitting end monitors whether the voice communication link between the receiving end and the receiving end is available; When the voice communication link with the receiving end is available and a voice call is made, the transmitting end switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal and sent to the receiving end; receiving The terminal separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, thereby realizing the control command issuing and positioning information when the positioning terminal data communication link is unavailable. Upload, and can ensure that the original voice call will not be interfered by the data signal.
- the method of superimposing data transmission in the voice signal is adopted, and the real-time performance is strong and the interactivity is good;
- an embodiment of the present invention provides a transmitting end for controlling data transmission, including: a first monitoring module 301, a second monitoring module 302, a switching module 303, and a sending module 304, where:
- the first monitoring module 301 is configured to monitor whether a data communication link between the receiving end and the receiving end is available;
- the second monitoring module 302 is configured to monitor whether a voice communication link between the receiving end and the receiving end is available when the data communication link is unavailable;
- the switching module 303 is configured to switch data communication to the voice communication link when a voice communication link between the sending end and the receiving end is available and a voice call is performed;
- the sending module 304 is configured to encode the data to be transmitted into a dual-tone multi-frequency DTMF signal and superimpose it into the voice signal and send the signal to the receiving end; the receiving end separates the DTMF signal from the voice signal and decodes the signal data.
- an embodiment of the present invention provides a receiving end for controlling data transmission, including: a receiving module 401 and a separate decoding module 402, where:
- the receiving module 401 is configured to receive a voice that is superimposed with a dual-tone multi-frequency DTMF signal sent by the transmitting end by using a voice communication link, where the DTMF signal is encoded with data that needs to be transmitted by the sending end;
- the separation decoding module 402 is arranged to separate the DTMF signal from the speech signal and decode the data.
- an embodiment of the present invention provides a data transmission control system, including a receiving end 201 and a transmitting end 202, where:
- the transmitting end 202 is configured to monitor whether a data communication link between the receiving end 201 and the receiving end 201 is available; When the data communication link is unavailable, whether the voice communication link between the receiving end 201 and the receiving end 201 is available; when the voice communication link between the transmitting end 202 and the receiving end 201 is available and a voice call is made, Data communication is switched to the voice communication link; and the data to be transmitted is encoded into a DTMF signal and superimposed into the voice signal and sent to the receiving end 201;
- the receiving end 201 is configured to separate the DTMF signal from the voice signal and decode the data.
- the solution in this embodiment relates to data transmission control between the mobile positioning terminal and the service platform, wherein the transmitted data includes but is not limited to a control command and positioning information.
- the sending end 202 is a positioning terminal; or the receiving end 201 is a mobile positioning terminal, and the sending end 202 is a serving platform.
- the data when the data communication link is unavailable, the data is transmitted by superimposing DTMF dual-tone multi-frequency in the voice communication link, so that the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable, and Ensure that the original voice call is not interfered with by the data signal.
- the sending end 202 needs to send a control command to the positioning terminal when the data needs to be transmitted to the receiving end 201, or the positioning terminal needs to upload the positioning information to the positioning service platform.
- the data communication link with the receiving end 201 is monitored for availability, and if available, the data communication link can be used to transmit data; if not available, the voice data communication link is considered for transmission of data.
- the transmitting end 202 monitors whether a voice communication link with the receiving end 201 is available, and when the voice communication link between the transmitting end 202 and the receiving end 201 is available and makes a voice call.
- the transmitting end 202 switches data communication to the voice communication link;
- the transmitting end 202 monitors whether a voice communication link with the receiving end 201 is available, when a voice communication link between the transmitting end 202 and the receiving end 201 is available. And when a voice call is made, the transmitting end 202 switches the communication of the data transceiving service to the voice communication link to transmit data using voice in the voice communication link.
- the transmitting end 202 If the voice communication link between the transmitting end 202 and the receiving end 201 is available but no voice communication is performed In this case, data transmission cannot be performed, and it can be considered that the transmitting end 202 actively initiates a voice call to transmit data using voice in the voice communication link.
- the transmitting end 202 switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it to
- the voice signal is sent to the receiving end 201, that is, data is transmitted by superimposing a DTMF dual tone multi-frequency signal in the voice communication link.
- DTMF defines 16 kinds of audio
- the embodiment of the present invention takes the 16 kinds of audio to represent hexadecimal digits 0-9 and AF, and each DTMF audio signal can transmit a 4-bit nibble, every two DTMF audio A group of signals can transmit an 8-bit byte.
- the data to be transmitted (including but not limited to control signaling, positioning information, etc.) is converted into hexadecimal data and then encoded into DTMF, which is superimposed on the voice communication link by the transmitter for transmission.
- the receiving end 201 After receiving the voice superimposed with the DTMF signal sent by the transmitting end 202, the receiving end 201 separates the DTMF signal from the voice signal and decodes the data.
- the DTMF signal is separated by the filter for data processing, and the original voice call is not interfered by the data signal.
- the transmitting end 202 monitors whether the data communication link with the receiving end 201 is available. When the data communication link is unavailable, the transmitting end 202 monitors whether the voice communication link with the receiving end 201 is available. When the voice communication link between the transmitting end 202 and the receiving end 201 is available and a voice call is made, the transmitting end 202 switches the data communication to the voice communication link; the data to be transmitted is encoded into a DTMF signal and superimposed on the voice signal.
- the medium is sent to the receiving end 201; the receiving end 201 separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual-tone multi-frequency in the voice communication link, so that the data communication link of the positioning terminal is not available.
- the control command is used to deliver and locate the information upload, and the original voice call is not interfered by the data signal.
- the sending end 202 is further configured to initiate a voice call to the receiving end 201 when the voice communication link with the receiving end 201 is available but does not make a voice call, and switch the data communication to the voice. Communication link.
- the transmitting end 202 When the transmitting end 202 detects that the voice communication link with the receiving end 201 is available but does not make a voice call, the transmitting end 202 actively initiates a voice call to the receiving end 201, thereby causing the sending There is a voice call service on the voice communication link between the end 202 and the receiving end 201.
- the originating end switches the data communication to the voice communication link, and encodes the data to be transmitted into a DTMF signal and superimposes it into the voice signal and transmits it to the receiving end 201.
- the receiving end 201 separates the DTMF signal from the speech signal and decodes the data, thereby realizing data transmission when the data communication link is unavailable.
- the transmitting end 202 is further configured to switch the data communication back to the data communication link after the data communication link is restored.
- the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable, and the original voice can be guaranteed.
- the call will not be disturbed by the data signal.
- corresponding functional modules may be added to the service platform and the positioning terminal to perform corresponding functions. This is explained in detail below.
- FIG. 11 is a schematic diagram showing an example of the architecture of the system of this embodiment.
- the platform serves as the server and the terminal acts as the client.
- There are two kinds of links between the platform and the terminal one is a voice communication link, and the other is a wireless data communication link.
- the voice communication link is wireless voice communication.
- the terminal maintains signaling with the wireless communication network as long as it has power, and thus can perform wireless voice communication; the wireless data communication uses 2G, 3G, and 4G data networks for communication.
- Adding a filtering module configured to separate the DTMF signal from the voice signal
- Add an encoding module set to encode the information to be transmitted into DTMF format
- a decoding module is added to be set to decode the DTMF signal into control signaling and data.
- FIG. 12 is a current data transmission flowchart. There is no connection between the voice communication link and the data communication link. When the data communication link is unavailable, data such as control signaling and positioning information cannot be transmitted.
- FIG. 13 is a flowchart of data transmission, platform and terminal involved in the solution of this embodiment.
- the link control module in the end detects the state of the voice communication link at this time when the data communication link is found to be unavailable. If the voice communication link is available and the voice call is in progress, the data communication is switched to the voice communication link. On the top, data such as control signaling and positioning information are transmitted through the voice communication link. When the data communication link is restored, the link control module switches the data communication back to the data communication link.
- the encoding module of the data transmitting end When the data communication is performed through the voice communication link, the encoding module of the data transmitting end first encodes the data to be transmitted into the DTMF format, and the superimposing module superimposes the DTMF audio signal on the voice; when the filtering module of the data receiving end detects the DTMF signal in the voice signal The DTMF signal is separated from the voice signal, and the separated voice no longer contains the superimposed DTMF signal, and the separated DTMF signal is sent to the decoding module to decode the transmitted data.
- the link control module shields the data communication part from the details of the data communication link and the voice communication link switching, and the original data processing flow does not need to be changed for different link modes.
- the overlay module and the filtering module shield the voice call portion from the details of the transmitted data, and the original voice call processing flow is not affected or changed.
- implementation including but not limited to: hardware implementation, software implementation, hardware and software hybrid implementation.
- the new four modules can exist separately or in combination with other modules. Including but not limited to: combining the encoding module and the decoding module into a codec module, and combining the superimposing module and the filtering module into a transceiver module.
- the merged module assumes the functions and processes of all modules before the merger.
- the platform sends positioning control signaling to the terminal during the voice monitoring process, and the terminal reports the current location information.
- the processing flow is as follows:
- S301 The platform initiates a voice monitoring operation, and a voice channel is established between the platform and the terminal, and the data communication link is unavailable.
- the link control module of the platform and the terminal detects the change, switches the data communication to the voice link mode, and proceeds to step 302;
- the platform sends positioning control signaling
- the link control module sends the positioning control signaling to the encoding module for DTMF encoding, and proceeds to step 303;
- the DTMF encoded positioning control signaling is sent to the overlay module, and the DTMF audio will be used.
- the positioning control signaling indicated by the signal is superimposed on the voice stream of the voice monitoring, and proceeds to step 304;
- the filtering module of the terminal separates the DTMF audio signal from the voice signal, and the separated voice continues the normal voice monitoring process, and the separated DTMF audio signal is sent to the decoding module, and proceeds to step 306;
- the decoding module decodes the DTMF audio signal to the positioning control signaling, and sends the signal to the link control module, and proceeds to step S307;
- the link control module passes the positioning control signaling to the terminal successor module for normal processing
- the terminal After processing the positioning control signaling, the terminal returns the current location information to the platform.
- the link control module of the terminal selects a data communication link mode, the location information is sent to the platform through the data communication link, and the platform and the terminal are restored to normal data. Communication mode; if it is still in the voice monitoring and data communication contact unavailable state, proceed to step 310;
- the link control module of the terminal selects the voice link mode, the location information is sent to the encoding module, and proceeds to step 311;
- the encoding module of the terminal performs DTMF encoding on the location information, and proceeds to step 312.
- the DTMF encoded position information is sent to the overlay module, the DTMF audio signal is superimposed on the voice, proceeds to step 313;
- the filtering module of the platform separates the DTMF audio signal from the voice signal, and the separated voice continues the normal voice monitoring process, and the separated DTMF audio signal is sent to the decoding module, and proceeds to step 315;
- the decoding module decodes the DTMF audio signal to position information, and sends it to the link control module, and proceeds to step S316;
- the link control module passes the location information of the terminal to the platform subsequent module for normal processing.
- the transmitting end monitors whether the data communication link between the receiving end and the receiving end is available; when the data communication link is unavailable, the transmitting end Monitoring whether the voice communication link between the receiving end and the receiving end is available; when the voice communication link between the transmitting end and the receiving end is available and making a voice call, the transmitting end switches the data communication to the voice communication link;
- the data is encoded as a DTMF signal and superimposed on the voice signal and sent to the receiving end; the receiving end separates the DTMF signal from the voice signal and decodes the data, thereby transmitting data by superimposing DTMF dual tone multi-frequency in the voice communication link.
- the control command is sent and the positioning information is uploaded when the data communication link of the positioning terminal is unavailable, and the original voice call is not interfered by the data signal.
- the above technical solution transmits data by superimposing DTMF dual-tone multi-frequency in the voice communication link, and realizes control command delivery and positioning information upload when the data communication link of the positioning terminal is unavailable, and can ensure that the original voice call is not received. Interference of data signals.
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Abstract
一种数据传输控制方法、接收端、发送端及系统，其方法包括：发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到语音通信链路；发送端将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据。上述技术方案通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
Description
本发明涉及通讯技术领域，尤其涉及一种移动定位终端与平台之间的数据传输控制方法、接收端、发送端及系统。
目前，移动定位终端通常通过IP通信数据通信链路下发控制命令和上传位置定位等信息。出于功耗节能和使用成本等方面因素的考虑，定位终端通常使用2G网络，其语音通道和数据通道不能同时启用，当定位终端处于语音监控或对话等业务模式需要启用语音链路时，数据通信链路不可用。而对于3G、4G等网络，因为信号不好、线路繁忙等原因也存在数据通信链路不可使用的情况。当数据通信链路不可用时，平台和定位终端之间不能下发控制命令和上传定位信息，从而影响了数据业务的传输。
发明内容
本发明实施例提供了一种数据传输控制方法、接收端、发送端及系统，以解决如何在定位终端与服务平台之间的数据通信链路不可用时，实现数据业务的传输的技术问题。
为了达到上述目的，本发明提出一种数据传输控制方法，所述方法包括：
发送端监测与接收端之间的数据通信链路是否可用；
当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；
当所述发送端与接收端之间的语音通信链路可用且正在进行语音通话时，所述发送端将数据通讯切换到所述语音通信链路；
所述发送端将需要传输的数据编码为DTMF(Dual Tone Multi Frequency，双音多频)信号并叠加到语音信号中发送至所述接收端；
所述接收端从所述语音信号中分离出DTMF信号并解码出数据。
可选地，所述方法还包括：
当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，所述发送端向所述接收端发起语音通话，并执行将数据通讯切换到所述语音通信链路的步骤。
可选地，该方法还包括：
当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
可选地，所述方法还包括：
所述发送端将需要传输的数据编码为DTMF信号并叠加到语音中发送至所述接收端的步骤之前，
将需要传输的数据转换为16进制数据。
可选地，所述接收端为服务平台，所述发送端为定位终端；或者，所述接收端为定位终端，所述发送端为服务平台。
本发明实施例还提出一种数据传输控制方法，包括：
发送端监测与接收端之间的数据通信链路是否可用；
当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；
当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到所述语音通信链路；
发送端将需要传输的数据编码为双音多频DTMF信号并叠加到语音中发送至所述接收端。
可选地，所述方法还包括：
当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，发送端向所述接收端发起语音通话，并执行将数据通讯切换到所述语音通信链路的步骤。
可选地，该方法还包括：
当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
可选地，所述方法还包括：
所述发送端将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端的步骤之前，
将需要传输的数据转换为16进制数据。
本发明实施例还提出一种数据传输控制方法，包括：
接收端接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；
从所述语音信号中分离出DTMF信号并解码出数据。
本发明实施例还提出一种控制数据传输的发送端，包括：
第一监测模块，设置为监测与接收端之间的数据通信链路是否可用；
第二监测模块，设置为当所述数据通信链路不可用时，监测与接收端之间的语音通信链路是否可用；
切换模块，设置为当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，将数据通讯切换到所述语音通信链路；
发送模块，设置为将需要传输的数据编码为双音多频DTMF信号并叠加到语音中发送至所述接收端。
可选地，所述第二监测模块，还设置为当监测到发送端与接收端之间的语音通信链路可用但未进行语音通话时，向所述接收端发起语音通话，之后，将数据通讯切换到所述语音通信链路。
可选地，所述切换模块，还设置为当数据通信链路恢复可用后，将数据通讯切换回数据通信链路。
可选地，所述发送模块，还设置为将需要传输的数据转换为16进制数据。
本发明实施例还提出一种控制数据传输的接收端，包括：
接收模块，设置为接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；
分离解码模块，设置为从所述语音信号中分离出DTMF信号并解码出数据。
本发明实施例还提出一种数据传输控制系统，包括接收端和发送端，其中：
所述发送端为如上所述的发送端；
所述接收端为如上所述的接收端。
可选地，所述接收端为服务平台，所述发送端为定位终端；或者，所述接收端为定位终端，所述发送端为服务平台。
本发明实施例还提出一种计算机程序，包括程序指令，当所述程序指令被发送端执行时，使得发送端能够执行上述任一项所述的方法。
本发明实施例还提出一种载有所述计算机程序的载体。
本发明实施例提出的一种数据传输控制方法、接收端、发送端及系统，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音中发送至接收端；接收端从语音中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
附图概述
图1是本发明实施例的数据传输控制方法流程示意图；
图2是本发明又一实施例的数据传输控制方法流程示意图；
图3是本发明又一实施例的数据传输控制方法流程示意图；
图4是本发明又一实施例的数据传输控制方法流程示意图；
图5是本发明又一实施例的数据传输控制方法流程示意图；
图6是本发明又一实施例的数据传输控制方法流程示意图；
图7是本发明又一实施例的数据传输控制方法流程示意图；
图8是本发明实施例的控制数据传输的发送端的功能模块示意图；
图9是本发明实施例的控制数据传输的接收端的功能模块示意图；
图10是本发明实施例的数据传输控制系统架构示意图；
图11是本发明实施例系统的架构实例示意图；
图12是相关的数据通信链路不可用时的数据传输流程图；
图13是本发明实施例方案涉及的数据传输流程图。
本发明的较佳实施方式
本发明实施例中：发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
如图1所示，本发明一实施例提出一种数据传输控制方法，包括：
步骤S101，发送端监测与接收端之间的数据通信链路是否可用；
本实施例方案涉及移动定位终端与服务平台之间的数据传输控制，其中，传输的数据包括但不限于控制命令和定位信息。
本实施例中，若接收端为服务平台，则发送端为定位终端；或者，所述接收端为移动定位终端，发送端为服务平台。
由于相关技术中，当数据通信链路不可用时，平台和定位终端之间不能下发控制命令和上传定位信息，从而影响了数据业务的传输。
本实施例方案在数据通信链路不可用时，通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命
令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
首先，发送端在有数据需要传输给接收端时，比如服务平台需要下发控制命令给定位终端，或者定位终端需要上传定位信息给定位服务平台的情形，此时，作为发送端，会监测与接收端之间的数据通信链路是否可用，如果可用，则可以利用数据通信链路传输数据；如果不可用，则考虑采用语音数据通信链路传输数据。
步骤S102，当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；
步骤S103，当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，所述发送端将数据通讯切换到所述语音通信链路；
可选地，当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用，当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据收发业务的通讯切换到所述语音通信链路，以便利用语音通信链路中的语音传输数据。
若发送端与接收端之间的语音通信链路可用但未进行语音通话，则无法进行数据传输，可以考虑发送端主动发起语音通话，以便利用语音通信链路中的语音传输数据。
步骤S104，所述发送端将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端；
当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到所述语音通信链路，同时将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端，即通过在语音通信链路中叠加DTMF双音多频信号来传输数据。
其中，DTMF定义有16种音频，本发明实施例取这16种音频来表示16进制数字0-9和A-F，每一个DTMF音频信号可以传输一个4位的半字节，每两个DTMF音频信号为一组可以传输一个8位字节。要传输的数据(包括但不限于控制信令、定位信息等)转换为16进制数据再编码为DTMF，通过发送器叠加到语音通信链路中传输。
步骤S105，所述接收端从所述语音信号中分离出DTMF信号并解码出数
据。
接收端在接收到发送端发来的叠加有DTMF信号的语音信号后，从该语音信号中分离出DTMF信号并解码出数据。
在作为接收端的平台或定位终端上，通过过滤器将DTMF信号分离出来进行数据处理，并保证原有的语音通话不会受到数据信号的干扰。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
如图2所示，本发明又一实施例提出一种数据传输控制方法，基于上述实施例，在上述步骤S102：当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用之后还可以包括：
步骤S106，当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，所述发送端向所述接收端发起语音通话，将数据通信切换到所述语音通信链路，并执行步骤S104。
相比上述实施例，本实施例还包括当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时的处理方案。
当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，发送端向所述接收端主动发起语音通话，由此使得发送端与接收端之间的语音通信链路上存在语音通话业务。
然后，发起端将数据通信切换到所述语音通信链路，并将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端。接收端从所述语音信号中分离出DTMF信号并解码出数据，从而实现数据通信链路不可用时的数据传输。
如图3所示，本发明又一实施例提出一种数据传输控制方法，基于上述实施例，还包括：
步骤S107，当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
相比上述实施例，本实施例还包括数据通信链路恢复可用后的处理方案。
当数据通信链路恢复可用后，发送端将数据通讯切换回数据通信链路。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
相比相关技术，本发明实施例方案具有如下有益效果：
首先，本发明实施例利用相关网络、链路及技术，实现简单；
其次，本发明实施例采用语音中叠加数据传输的方式，实时性强，交互性好；
第三，本发明实施例利用相关语音链路，不需要终端应用提供者增加额外的使用成本。
如图4所示，本发明又一实施例提出一种数据传输控制方法，包括：
步骤S401，发送端监测与接收端之间的数据通信链路是否可用；
步骤S402，当所述数据通信链路不可用时，监测与接收端之间的语音通信链路是否可用；
步骤S403，当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，将数据通讯切换到所述语音通信链路；
步骤S404，将需要传输的数据编码为双音多频DTMF信号并叠加到语音
信号中发送至所述接收端；由所述接收端从所述语音信号中分离出DTMF信号并解码出数据。
本实施例方案涉及移动定位终端与服务平台之间的数据传输控制，其中，传输的数据包括但不限于控制命令和定位信息。
本实施例中，若接收端为服务平台，则发送端为定位终端；或者，所述接收端为移动定位终端，发送端为服务平台。
由于相关技术中，当数据通信链路不可用时，平台和定位终端之间不能下发控制命令和上传定位信息，从而影响了数据业务的传输。
本实施例方案在数据通信链路不可用时，通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
首先，发送端在有数据需要传输给接收端时，比如服务平台需要下发控制命令给定位终端，或者定位终端需要上传定位信息给定位服务平台的情形，此时，作为发送端，会监测与接收端之间的数据通信链路是否可用，如果可用，则可以利用数据通信链路传输数据；如果不可用，则考虑采用语音数据通信链路传输数据。
当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用，当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据收发业务的通讯切换到所述语音通信链路，以便利用语音通信链路中的语音传输数据。
若发送端与接收端之间的语音通信链路可用但未进行语音通话，则无法进行数据传输，可以考虑发送端主动发起语音通话，以便利用语音通信链路中的语音传输数据。
当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到所述语音通信链路，同时将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端，即通过在语音通信链路中叠加DTMF双音多频信号来传输数据。
其中，DTMF定义有16种音频，本发明实施例取这16种音频来表示16进制数字0-9和A-F，每一个DTMF音频信号可以传输一个4位的半字节，
每两个DTMF音频信号为一组可以传输一个8位字节。要传输的数据(包括但不限于控制信令、定位信息等)转换为16进制数据再编码为DTMF，通过发送器叠加到语音通信链路中传输。
接收端在接收到发送端发来的叠加有DTMF信号的语音信号后，从该语音信号中分离出DTMF信号并解码出数据。
在作为接收端的平台或定位终端上，通过过滤器将DTMF信号分离出来进行数据处理，并保证原有的语音通话不会受到数据信号的干扰。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
如图5所示，本发明又一实施例提出一种数据传输控制方法，基于上述图4所示的实施例，在上述步骤S402：当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用的步骤之后还包括：
步骤S405，当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，向所述接收端发起语音通话，并执行步骤S404。
相比上述实施例，本实施例还包括当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时的处理方案。
当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，发送端向所述接收端主动发起语音通话，由此使得发送端与接收端之间的语音通信链路上存在语音通话业务。
然后，发起端将数据通信切换到所述语音通信链路，并将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端。接收端从所述语音信号中分离出DTMF信号并解码出数据，从而实现数据通信链路不可用时的数据传输。
如图6所示，本发明又一实施例提出一种数据传输控制方法，基于上述图5所示的实施例，还包括：
步骤S406，当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
相比上述实施例，本实施例还包括数据通信链路恢复可用后的处理方案。
当数据通信链路恢复可用后，发送端将数据通讯切换回数据通信链路。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
相比相关技术，本发明实施例方案具有如下有益效果：
首先，利用相关网络、链路及技术，实现简单；
其次，采用语音信号中叠加数据传输的方式，实时性强，交互性好；
第三，利用相关语音链路，不需要终端应用提供者增加额外的使用成本。
如图7所示，本发明又一实施例提出一种数据传输控制方法，包括：
步骤S501，接收端接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；
步骤S502，从所述语音信号中分离出DTMF信号并解码出数据。
本实施例方案涉及移动定位终端与服务平台之间的数据传输控制，其中，传输的数据包括但不限于控制命令和定位信息。
本实施例中，若接收端为服务平台，则发送端为定位终端；或者，所述
接收端为移动定位终端，发送端为服务平台。
由于相关技术中，当数据通信链路不可用时，平台和定位终端之间不能下发控制命令和上传定位信息，从而影响了数据业务的传输。
本实施例方案在数据通信链路不可用时，通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
首先，发送端在有数据需要传输给接收端时，比如服务平台需要下发控制命令给定位终端，或者定位终端需要上传定位信息给定位服务平台的情形，此时，作为发送端，会监测与接收端之间的数据通信链路是否可用，如果可用，则可以利用数据通信链路传输数据；如果不可用，则考虑采用语音数据通信链路传输数据。
当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用，当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据收发业务的通讯切换到所述语音通信链路，以便利用语音通信链路中的语音传输数据。
若发送端与接收端之间的语音通信链路可用但未进行语音通话，则无法进行数据传输，可以考虑发送端主动发起语音通话，以便利用语音通信链路中的语音传输数据。
当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到所述语音通信链路，同时将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端，即通过在语音通信链路中叠加DTMF双音多频信号来传输数据。
其中，DTMF定义有16种音频，本发明实施例取这16种音频来表示16进制数字0-9和A-F，每一个DTMF音频信号可以传输一个4位的半字节，每两个DTMF音频信号为一组可以传输一个8位字节。要传输的数据(包括但不限于控制信令、定位信息等)转换为16进制数据再编码为DTMF，通过发送器叠加到语音通信链路中传输。
接收端在接收到发送端发来的叠加有DTMF信号的语音后，从该语音信号中分离出DTMF信号并解码出数据。
在作为接收端的平台或定位终端上，通过过滤器将DTMF信号分离出来进行数据处理，并保证原有的语音通话不会受到数据信号的干扰。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，发送端向所述接收端主动发起语音通话，由此使得发送端与接收端之间的语音通信链路上存在语音通话业务。
然后，发起端将数据通信切换到所述语音通信链路，并将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端。接收端从所述语音信号中分离出DTMF信号并解码出数据，从而实现数据通信链路不可用时的数据传输。
当数据通信链路恢复可用后，发送端将数据通讯切换回数据通信链路。
本实施例通过上述方案，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
相比相关技术，本发明实施例方案具有如下有益效果：
首先，利用相关网络、链路及技术，实现简单；
其次，采用语音信号中叠加数据传输的方式，实时性强，交互性好；
第三，利用相关语音链路，不需要终端应用提供者增加额外的使用成
本。
如图8所示，本发明一实施例提出一种控制数据传输的发送端，包括：第一监测模块301、第二监测模块302、切换模块303及发送模块304，其中：
第一监测模块301，设置为监测与接收端之间的数据通信链路是否可用；
第二监测模块302，设置为当所述数据通信链路不可用时，监测与接收端之间的语音通信链路是否可用；
切换模块303，设置为当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，将数据通讯切换到所述语音通信链路；
发送模块304，设置为将需要传输的数据编码为双音多频DTMF信号并叠加到语音信号中发送至所述接收端；由所述接收端从所述语音信号中分离出DTMF信号并解码出数据。
本实施例发送端与接收端交互实现数据传输控制的过程及原理，请参数上述实施例，在此不再赘述。
如图9所示，本发明一实施例提出一种控制数据传输的接收端，包括：接收模块401及分离解码模块402，其中：
接收模块401，设置为接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；
分离解码模块402，设置为从所述语音信号中分离出DTMF信号并解码出数据。
本实施例发送端与接收端交互实现数据传输控制的过程及原理，请参数上述实施例，在此不再赘述。
如图10所示，本发明实施例提出一种数据传输控制系统，包括接收端201和发送端202，其中：
发送端202，设置为监测与接收端201之间的数据通信链路是否可用；
当所述数据通信链路不可用时，监测与接收端201之间的语音通信链路是否可用；当所述发送端202与接收端201之间的语音通信链路可用且进行语音通话时，将数据通信切换到所述语音通信链路；并将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端201；
所述接收端201，设置为从所述语音信号中分离出DTMF信号并解码出数据。
本实施例方案涉及移动定位终端与服务平台之间的数据传输控制，其中，传输的数据包括但不限于控制命令和定位信息。
本实施例中，若接收端201为服务平台，则发送端202为定位终端；或者，所述接收端201为移动定位终端，发送端202为服务平台。
由于相关技术中，当数据通信链路不可用时，平台和定位终端之间不能下发控制命令和上传定位信息，从而影响了数据业务的传输。
本实施例方案在数据通信链路不可用时，通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
首先，发送端202在有数据需要传输给接收端201时，比如服务平台需要下发控制命令给定位终端，或者定位终端需要上传定位信息给定位服务平台的情形，此时，作为发送端202，会监测与接收端201之间的数据通信链路是否可用，如果可用，则可以利用数据通信链路传输数据；如果不可用，则考虑采用语音数据通信链路传输数据。
当所述数据通信链路不可用时，发送端202监测与接收端201之间的语音通信链路是否可用，当所述发送端202与接收端201之间的语音通信链路可用且进行语音通话时，所述发送端202将数据通讯切换到所述语音通信链路；
可选地，当所述数据通信链路不可用时，发送端202监测与接收端201之间的语音通信链路是否可用，当所述发送端202与接收端201之间的语音通信链路可用且进行语音通话时，发送端202将数据收发业务的通讯切换到所述语音通信链路，以便利用语音通信链路中的语音传输数据。
若发送端202与接收端201之间的语音通信链路可用但未进行语音通
话，则无法进行数据传输，可以考虑发送端202主动发起语音通话，以便利用语音通信链路中的语音传输数据。
当发送端202与接收端201之间的语音通信链路可用且进行语音通话时，发送端202将数据通讯切换到所述语音通信链路，同时将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端201，即通过在语音通信链路中叠加DTMF双音多频信号来传输数据。
其中，DTMF定义有16种音频，本发明实施例取这16种音频来表示16进制数字0-9和A-F，每一个DTMF音频信号可以传输一个4位的半字节，每两个DTMF音频信号为一组可以传输一个8位字节。要传输的数据(包括但不限于控制信令、定位信息等)转换为16进制数据再编码为DTMF，通过发送器叠加到语音通信链路中传输。
接收端201在接收到发送端202发来的叠加有DTMF信号的语音后，从该语音信号中分离出DTMF信号并解码出数据。
在作为接收端201的平台或定位终端上，通过过滤器将DTMF信号分离出来进行数据处理，并保证原有的语音通话不会受到数据信号的干扰。
本实施例通过上述方案，发送端202监测与接收端201之间的数据通信链路是否可用；当数据通信链路不可用时，发送端202监测与接收端201之间的语音通信链路是否可用；当发送端202与接收端201之间的语音通信链路可用且进行语音通话时，发送端202将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端201；接收端201从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
所述发送端202，还设置为当监测到与接收端201之间的语音通信链路可用但未进行语音通话时，向所述接收端201发起语音通话，并将数据通信切换到所述语音通信链路。
当发送端202监测到与接收端201之间的语音通信链路可用但未进行语音通话时，发送端202向所述接收端201主动发起语音通话，由此使得发送
端202与接收端201之间的语音通信链路上存在语音通话业务。
然后，发起端将数据通信切换到所述语音通信链路，并将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端201。接收端201从所述语音信号中分离出DTMF信号并解码出数据，从而实现数据通信链路不可用时的数据传输。
所述发送端202，还设置为当数据通信链路恢复可用后，将数据通讯切换回数据通信链路。
本实施例通过上述方案，通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
在实现时，可以在服务平台、定位终端中增加相应的功能模块来执行相应的功能。以下对此进行详细阐述。
如图11所示，图11是本实施例系统的架构实例示意图。
其中，平台作为服务端，终端作为客户端。平台与终端之间存在两种链路，一种是语音通信链路，另一种是无线数据通信链路。语音通信链路是无线语音通信，终端只要有电都会与无线通信网络保持信令，进而可进行无线语音通信；无线数据通信采用2G、3G、4G数据网进行通信。
在平台和终端增加一个链路控制模块，设置为判别和切换当前使用数据通信链路还是语音通信链路来传输数据；
增加一个叠加模块，设置为将DTMF叠加到语音信号中；
增加一个过滤模块，设置为从语音信号中分离出DTMF信号；
增加一个编码模块，设置为将要传输的信息编码为DTMF格式；
增加一个解码模块，设置为将DTMF信号解码为控制信令和数据。
在语音通话占用信道、数据用户数超出线路容量、信号不好等情况下数据通信链路将不可用。如图12所示，图12是当前数据传输流程图，语音通信链路和数据通信链路之间没有联系，当数据通信链路不可用时，控制信令和定位信息等数据均无法传输。
如图13所示，图13是本实施例方案涉及的数据传输流程图，平台和终
端中的链路控制模块在发现数据通信链路不可用时，将探测此时语音通信链路的状态，如果语音通信链路可用且语音通话在进行中，则将数据通讯切换到语音通信链路上，控制信令和定位信息等数据通过语音通信链路传输。当数据通信链路恢复可用后，链路控制模块再将数据通讯切换回数据通信链路。
当数据通讯通过语音通信链路进行时，数据发送端的编码模块首先将要传输的数据编码成DTMF格式，叠加模块将DTMF音频信号叠加到语音上；数据接收端的过滤模块探测到语音信号中DTMF信号时，将DTMF信号从语音信号中分离出来，分离后的语音不再包含被叠加的DTMF信号，分离后的DTMF信号送到解码模块解码出被传输的数据。
链路控制模块对数据通讯部分屏蔽了数据通信链路和语音通信链路切换的细节，原有数据处理流程不需要针对不同链路方式进行改变。
叠加模块和过滤模块对语音通话部分屏蔽了被传输的数据的细节，原有语音通话处理流程不会受到影响也不需要进行改变。
在实现上，包含但不限于：硬件实现、软件实现、软硬件混合实现。
新增的4个模块可以单独存在，也可以相互之间或跟其他模块合并实现。包含但不限于：将编码模块、解码模块合并为编解码模块，将叠加模块、过滤模块合并为收发模块等。合并后的模块承担合并前所有模块的功能和流程。
下面结合实例对本发明实施例方案进行详细阐述：
平台在语音监控过程中发定位控制信令给终端，终端上报当前位置信息。处理流程如下：
S301，平台发起语音监控操作，平台和终端之间建立语音通道，数据通信链路不可用。平台和终端的链路控制模块探知到这一变化，将数据通讯切换到语音链路模式，进入步骤302；
S302，平台下发定位控制信令，链路控制模块将定位控制信令发送到编码模块进行DTMF编码，进入步骤303；
S303，DTMF编码后的定位控制信令被送到叠加模块，将用DTMF音频
信号表示的定位控制信令叠加到语音监控的语音流上，进入步骤304；
S304，语音流通过语音链路发送到终端，被终端的过滤模块探测到，进入步骤305；
S305，终端的过滤模块从语音信号中分离出DTMF音频信号，分离后的语音继续正常的语音监控流程，分离后的DTMF音频信号送到解码模块，进入步骤306；
S306，解码模块将DTMF音频信号解码还原为定位控制信令，发送给链路控制模块，进入步骤S307；
S307，链路控制模块将定位控制信令传递给终端后继模块正常处理；
S308，终端处理完定位控制信令后，将当前位置信息返回给平台；
S309，若当前语音监控已结束且数据通信链路已恢复，则终端的链路控制模块选择数据通信链路模式，位置信息通过数据通信链路发送给平台，平台和终端间恢复为正常的数据通讯模式；如果当前仍处在语音监控和数据通信联络不可用状态，进入步骤310；
S310，终端的链路控制模块选择语音链路模式，位置信息被发送给编码模块，进入步骤311；
S311，终端的编码模块对位置信息进行DTMF编码，进入步骤312；
S312，DTMF编码后的位置信息被送到叠加模块，DTMF音频信号被叠加到语音上，进入步骤313；
S313，叠加DTMF音频信号的语音通过语音链路发送到平台，被平台的过滤模块探测到，进入步骤314；
S314，平台的过滤模块从语音信号中分离出DTMF音频信号，分离后的语音继续正常的语音监控流程，分离后的DTMF音频信号送到解码模块，进入步骤315；
S315，解码模块将DTMF音频信号解码还原为位置信息，发送给链路控制模块，进入步骤S316；
S316，链路控制模块将终端的位置信息传递给平台后继模块正常处理。
本发明实施例数据传输控制方法、接收端、发送端及系统，发送端监测与接收端之间的数据通信链路是否可用；当数据通信链路不可用时，发送端
监测与接收端之间的语音通信链路是否可用；当发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通信切换到语音通信链路；将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至接收端；接收端从语音信号中分离出DTMF信号并解码出数据，由此通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
相比相关技术，本发明实施例方案具有如下有益效果：
首先，利用相关网络、链路及技术，实现简单；
其次，采用语音中叠加数据传输的方式，实时性强，交互性好；
第三，利用相关语音链路，不需要终端应用提供者增加额外的使用成本。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本发明的专利保护范围内。
上述技术方案通过在语音通信链路中叠加DTMF双音多频来传输数据，实现定位终端数据通信链路不可用时的控制命令下发和定位信息上传，并可保证原有的语音通话不会受到数据信号的干扰。
Claims (21)
- 一种数据传输控制方法，包括：发送端监测与接收端之间的数据通信链路是否可用；当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当所述发送端与接收端之间的语音通信链路可用且正在进行语音通话时，所述发送端将数据通讯切换到所述语音通信链路；所述发送端将需要传输的数据编码为双音多频DTMF信号并叠加到语音信号中发送至所述接收端；所述接收端从所述语音信号中分离出DTMF信号并解码出数据。
- 根据权利要求1所述的方法，还包括:当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，所述发送端向所述接收端发起语音通话，并执行将数据通讯切换到所述语音通信链路的步骤。
- 根据权利要求1所述的方法，还包括：当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
- 根据权利要求1所述的方法，还包括：所述发送端将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端的步骤之前，将需要传输的数据转换为16进制数据。
- 根据权利要求1-4中任一项所述的方法，其中，所述接收端为服务平台，所述发送端为定位终端；或者，所述接收端为定位终端，所述发送端为服务平台。
- 一种数据传输控制方法，包括：发送端监测与接收端之间的数据通信链路是否可用；当所述数据通信链路不可用时，发送端监测与接收端之间的语音通信链路是否可用；当所述发送端与接收端之间的语音通信链路可用且进行语音通话时，发送端将数据通讯切换到所述语音通信链路；发送端将需要传输的数据编码为双音多频DTMF信号并叠加到语音信号中发送至所述接收端。
- 根据权利要求6所述的方法，还包括：当发送端监测到与接收端之间的语音通信链路可用但未进行语音通话时，发送端向所述接收端发起语音通话，并执行将数据通讯切换到所述语音通信链路的步骤。
- 根据权利要求6所述的方法，还包括：当数据通信链路恢复可用后，所述发送端将数据通讯切换回数据通信链路。
- 根据权利要求6所述的方法，还包括：所述发送端将需要传输的数据编码为DTMF信号并叠加到语音信号中发送至所述接收端的步骤之前，将需要传输的数据转换为16进制数据。
- 一种数据传输控制方法，包括：接收端接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；从所述语音信号中分离出DTMF信号并解码出数据。
- 一种控制数据传输的发送端，包括：第一监测模块，设置为监测与接收端之间的数据通信链路是否可用；第二监测模块，设置为当所述数据通信链路不可用时，监测与接收端之间的语音通信链路是否可用；切换模块，设置为当所述发送端与接收端之间的语音通信链路可用且进 行语音通话时，将数据通讯切换到所述语音通信链路；发送模块，设置为将需要传输的数据编码为双音多频DTMF信号并叠加到语音信号中发送至所述接收端。
- 根据权利要求11所述的发送端，所述第二监测模块，还设置为当监测到发送端与接收端之间的语音通信链路可用但未进行语音通话时，向所述接收端发起语音通话，之后，将数据通讯切换到所述语音通信链路。
- 根据权利要求11所述的发送端，所述切换模块，还设置为当数据通信链路恢复可用后，将数据通讯切换回数据通信链路。
- 根据权利要求11所述的发送端，所述发送模块，还设置为将需要传输的数据转换为16进制数据。
- 一种控制数据传输的接收端，包括：接收模块，设置为接收发送端通过语音通信链路发送的叠加有双音多频DTMF信号的语音；所述DTMF信号中编码有所述发送端需要传输的数据；分离解码模块，设置为从所述语音信号中分离出DTMF信号并解码出数据。
- 一种数据传输控制系统，包括接收端和发送端，其中：所述发送端为权利要求11-14中任一项所述的发送端；所述接收端为权利要求15所述的接收端。
- 根据权利要求16所述的系统，其中，所述接收端为服务平台，所述发送端为定位终端；或者，所述接收端为定位终端，所述发送端为服务平台。
- 一种计算机程序，包括程序指令，当所述程序指令被发送端执行时，使得发送端能够执行权利要求6～9中任一项所述的方法。
- 一种载有权利要求18所述计算机程序的载体。
- 一种计算机程序，包括程序指令，当所述程序指令被接收端执行时，使得接收端能够执行权利要求10所述的方法。
- 一种载有权利要求20所述计算机程序的载体。
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| CN112422237A (zh) * | 2020-11-24 | 2021-02-26 | 吴秀峰 | 基于一个发送端和多个接收端的无线信号通信系统及方法 |
| CN113972958A (zh) * | 2021-10-15 | 2022-01-25 | 北京京东乾石科技有限公司 | 一种巡检机器人及其数据传输方法 |
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| CN106507307A (zh) * | 2016-11-24 | 2017-03-15 | 维沃移动通信有限公司 | 一种发送信息、获取信息的方法、通话端及通信对端 |
| CN112763049B (zh) * | 2020-12-22 | 2021-07-27 | 南京力加传感技术有限公司 | 快速称重传感器装置及控制方法 |
| CN112751979B (zh) * | 2020-12-30 | 2023-09-15 | 芯讯通无线科技（上海）有限公司 | Dtmf编码、解码方法、编码器、解码器及通信装置 |
| CN115146125B (zh) * | 2022-05-27 | 2023-02-03 | 北京科技大学 | 语义通信多址接入场景下的接收端数据过滤方法及装置 |
| CN118264393A (zh) * | 2022-12-27 | 2024-06-28 | 天地融科技股份有限公司 | 一种建立数据通讯网络、数据传输的方法及系统 |
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| CA2247550A1 (en) * | 1997-09-16 | 1999-03-16 | Siemens Aktiengesellschaft | Method for transmitting data signals on analog subscriber lines |
| CN103391510A (zh) * | 2013-07-04 | 2013-11-13 | 北京车音网科技有限公司 | 定位方法、装置及系统 |
| CN103987020A (zh) * | 2014-04-25 | 2014-08-13 | 小米科技有限责任公司 | 一种传输信息的方法及装置 |
| WO2014154049A1 (zh) * | 2013-09-10 | 2014-10-02 | 中兴通讯股份有限公司 | 一种基于双音多频的定位信息收发方法和装置 |
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| CN100428793C (zh) * | 2003-11-21 | 2008-10-22 | 华为技术有限公司 | 会议电视系统及在该系统中实现业务保持的方法 |
| CN101510935B (zh) * | 2009-03-05 | 2011-02-02 | 华为技术有限公司 | 传真方法和传真装置 |
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| CA2247550A1 (en) * | 1997-09-16 | 1999-03-16 | Siemens Aktiengesellschaft | Method for transmitting data signals on analog subscriber lines |
| CN103391510A (zh) * | 2013-07-04 | 2013-11-13 | 北京车音网科技有限公司 | 定位方法、装置及系统 |
| WO2014154049A1 (zh) * | 2013-09-10 | 2014-10-02 | 中兴通讯股份有限公司 | 一种基于双音多频的定位信息收发方法和装置 |
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| CN112422237A (zh) * | 2020-11-24 | 2021-02-26 | 吴秀峰 | 基于一个发送端和多个接收端的无线信号通信系统及方法 |
| CN113972958A (zh) * | 2021-10-15 | 2022-01-25 | 北京京东乾石科技有限公司 | 一种巡检机器人及其数据传输方法 |
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