CN114885135A - Optical fiber transmission method, system, terminal equipment and storage medium - Google Patents

Abstract

The present application relates to the technical field of optical fiber transmission, and in particular, to an optical fiber transmission method, system, terminal equipment and storage medium. The system includes a sending module, and the sending module includes a first differential signal conversion unit, a first interactive signal conversion unit, and an optical signal complex. The receiving module includes a second differential signal conversion unit, a second interactive signal conversion unit and an optical signal demultiplexing unit; the transmitting module multiplexes the acquired multi-source differential signal and multi-source interactive signal into one optical signal source, And send the optical signal source, the receiving module demultiplexes the optical signal source, and further converts it into a target differential signal and a target interactive signal that meet the standard. The present application has the effect of improving the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

Description

Optical fiber transmission method, system, terminal equipment and storage medium

technical field

The present application relates to the technical field of optical fiber transmission, and in particular, to an optical fiber transmission method, system, terminal device and storage medium.

Background technique

Optical fiber transmission, that is, data and signal transmission using optical fiber as a medium. Optical fiber can not only be used to transmit analog signals and digital signals, but also meet the needs of video transmission. Optical fiber transmission is generally carried out using optical cables. The data transmission rate of a single optical fiber can reach several Gbps, without the use of repeaters. , the transmission distance can reach tens of kilometers.

The existing high-definition video single-core optical fiber transmission technology generally adopts the form of encoding and decoding, which converts the four-channel high-speed differential signal of the video source HDMI into one high-speed serial signal, and then converts it into an optical signal in the optical fiber through photoelectric conversion. transmission. At the video display end, through electro-optical conversion, the optical signal is converted into a serial signal, and then decoded and restored to four high-speed differential signals.

Video signal transmission is carried out by means of encoding and decoding technology. In the process of video signal transmission, there are problems of transmission delay and data compression, which affects the real-time nature of video signal transmission and further damages the image quality of video.

SUMMARY OF THE INVENTION

In order to improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality, the present application provides an optical fiber transmission method and system.

In the first aspect, the present application provides an optical fiber transmission method, which adopts the following technical solutions:

An optical fiber transmission system, comprising:

A sending module, the sending module includes a first differential signal converting unit, a first interactive signal converting unit and an optical signal multiplexing unit, the first differential signal converting unit is used to convert the acquired multi-source differential signal into one source differential signal an optical signal, the first mutual signal conversion unit is used to convert the acquired multi-source mutual signal into one source interactive optical signal, and the optical signal multiplexing unit is used to convert the source differential optical signal and the source interactive signal The optical signals are multiplexed into one optical signal source, and the optical signal source is sent;

a receiving module, the receiving module includes a second differential signal conversion unit, a second interactive signal conversion unit and an optical signal demultiplexing unit, the optical signal demultiplexing unit is used for receiving and demultiplexing the optical signal source into One target differential optical signal and one target interactive optical signal, the second differential signal conversion unit is used to convert one target differential optical signal into multiple target differential signals, and the second interactive signal conversion unit is used to convert one target differential optical signal. The target interaction optical signal is converted into a multi-channel target interaction signal.

By adopting the above technical solution, the multi-channel source data signal acquired by the sending module is converted into one source differential optical signal by the first differential signal conversion unit, and the acquired multi-channel source differential signal is converted into one channel according to the first interactive signal conversion unit The source interacts with the optical signal, and then obtains two optical signals respectively. Finally, the two optical signals are multiplexed into one optical signal source through the optical signal multiplexing unit, thereby improving the real-time performance of the signal. After the receiving module receives the optical signal source, Through the optical signal demultiplexing unit, the optical signal source can be demultiplexed into one target differential optical signal and one target interactive optical signal, and then the second differential signal conversion unit converts one target differential optical signal into multiple standard-compliant targets For the differential signal, the second interactive signal conversion unit converts one channel of the target interactive optical signal into multiple channels of standard-compliant target interactive signals. Therefore, the optical fiber transmission method provided by the present application can improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

Optionally, the first differential signal conversion unit includes:

a signal driving subunit, the signal driving subunit is used to convert the source differential signal into a source differential current signal;

The long-wave laser subunit is used for combining the source differential current signal into a source differential optical signal.

By adopting the above technical solution, the multi-source differential signal is converted into a one-source differential optical signal, thereby facilitating the transmission of the multi-source differential signal.

Optionally, the first interactive signal conversion unit includes:

a first buffering subunit, the first buffering subunit is configured to decompose the source interaction signal into a source bidirectional interaction signal;

a first serial-parallel subunit, the first serial-parallel subunit is used to convert the source bidirectional interaction signal into a source serial-parallel interaction signal;

A first photoelectric conversion sub-unit, the first photoelectric conversion sub-unit is used for converting the source serial interactive signal into a source-interactive optical signal.

By adopting the above technical solution, the source interaction signal is converted into the source interaction optical signal, thereby facilitating subsequent optical fiber transmission.

Optionally, the first interactive signal conversion unit further includes a first serial port subunit, and the first serial port subunit is used to decompose and convert the source USB signal into a source USB serial port signal, and pass through the first parallel-serial subunit. Converted to a source serial interactive signal.

By adopting the above technical solution, the source USB signal is converted into the source USB serial port signal, thereby facilitating the bidirectional transmission of the USB signal and the subsequent optical fiber transmission.

Optionally, the second differential signal conversion unit includes:

a long-wave detection subunit, which is used for converting the target differential optical signal into a target voltage signal;

a signal amplifying subunit, the signal amplifying subunit is used for converting the target voltage signal into a target differential signal.

By adopting the above technical solution, the converted target differential optical signal is converted and amplified, so as to facilitate obtaining the target differential signal conforming to the standard.

Optionally, the second interactive signal conversion unit includes:

a second photoelectric conversion subunit, the first photoelectric conversion subunit is configured to convert the target interactive optical signal into a target interactive electrical signal;

a second serial-parallel subunit, the second serial-parallel subunit is used to convert the target interactive electrical signal into a target interactive signal;

A second buffering subunit, the second buffering subunit is configured to decompose the target interaction signal into target bidirectional interaction signals.

By adopting the above technical solution, the converted target interactive optical signal is converted, so as to facilitate obtaining the target interactive signal that meets the standard.

Optionally, the second interactive signal conversion unit further includes a second serial port subunit, and the second serial port subunit is configured to decompose and convert the target USB serial port signal into the target USB signal.

By adopting the above technical solution, the USB serial port signal is converted and decomposed, thereby obtaining a standard target USB signal, thereby facilitating the transmission of the USB signal.

In the second aspect, the present application also provides an optical fiber transmission method, which adopts the following technical solutions:

An optical fiber transmission method, comprising the following steps:

acquiring multiple channels of the source differential signals and multiple channels of the source interaction signals;

Converting the multiplex source differential signals into one source differential optical signal, and converting the multiplex source interaction signals into one source interaction optical signal;

Multiplexing the source differential optical signal and the source interactive optical signal into one channel of the optical signal source, and sending the optical signal source;

Demultiplexing the optical signal source into one channel of the target differential optical signal and one channel of the target interactive optical signal;

Converting one channel of the target differential optical signal into multiple channels of the target differential signal, and converting one channel of the target interactive optical signal into multiple channels of the target interactive signal.

By adopting the above technical solution, the acquired multi-source data signal is converted into one-source differential optical signal, and the acquired multi-source differential signal is converted into one-source interactive optical signal, and then two optical signals are obtained respectively, and finally the two optical signals are obtained. The optical signal is multiplexed into one optical signal source, which improves the real-time performance of the signal. After receiving the optical signal source, the optical signal source is demultiplexed into one target differential optical signal and one target interactive optical signal, and then one target differential optical signal is demultiplexed. The differential optical signal is converted into multiple target differential signals conforming to the standard, and one of the target interactive optical signals is converted into multiple target interactive signals conforming to the standard. Therefore, the optical fiber transmission method provided by the present application can improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

In a third aspect, the application provides a terminal device, which adopts the following technical solutions:

A terminal device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor. When the processor loads and executes the computer program, the above-mentioned optical fiber transmission method is adopted.

By adopting the above technical solution, a computer program is generated by the above-mentioned optical fiber transmission method, and stored in the memory to be loaded and executed by the processor, thereby making terminal equipment according to the memory and the processor, which is convenient to use.

In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:

A computer-readable storage medium, where a computer program is stored, and when the computer program is loaded and executed by a processor, the above-mentioned optical fiber transmission method is adopted.

By adopting the above technical solution, a computer program is generated by the above-mentioned optical fiber transmission method, and stored in a computer-readable storage medium, so as to be loaded and executed by a processor, and the computer program can be read easily through the computer-readable storage medium. and storage.

To sum up, the present application includes at least one of the following beneficial technical effects: converting the acquired multi-source data signal into one source differential optical signal, converting the acquired multi-source differential signal into one source interactive optical signal, and then converting the acquired multi-source differential signal into one source interactive optical signal. Two optical signals are obtained respectively, and finally the two optical signals are multiplexed into one optical signal source, thereby improving the real-time performance of the signal. After receiving the optical signal source, the optical signal source is demultiplexed into one target differential optical signal and One target interactive optical signal, then one target differential optical signal is converted into multiple standard target differential signals, and one target interactive optical signal is converted into multiple standard target interactive signals. Therefore, the optical fiber transmission method provided by the present application can improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

Description of drawings

FIG. 1 is a schematic diagram of an overall module of an optical fiber transmission system of the present application.

FIG. 2 is a schematic structural diagram of a sending module in an embodiment of an optical fiber transmission system of the present application.

FIG. 3 is a schematic structural diagram of a receiving module of an embodiment of an optical fiber transmission system of the present application.

FIG. 4 is a schematic overall flow diagram of an optical fiber transmission method of the present application.

Description of reference numbers:

1. Sending module; 11. First differential signal conversion unit; 111, Signal driving sub-unit; 112, Long-wave laser sub-unit; 12. First interactive signal conversion unit; 123, a first photoelectric conversion subunit; 124, a first serial port subunit; 13, an optical signal multiplexing unit; 2, a receiving module; 21, a second differential signal conversion unit; 211, a long wave detection subunit; 212, signal amplification subunit; 22, second interactive signal conversion unit; 221, second photoelectric conversion subunit; 222, second serial-parallel subunit; 223, second buffer subunit; 224, second serial port subunit; 23. Optical signal demultiplexing unit.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses an optical fiber transmission system, referring to FIG. 1 , including:

Sending module 1. The sending module 1 includes a first differential signal conversion unit 11, a first interactive signal conversion unit 12 and an optical signal multiplexing unit 13. The first differential signal conversion unit 11 is used to convert the acquired multi-source differential signal into one channel source differential optical signal, the first interactive signal conversion unit 12 is used to convert the acquired multi-channel source interactive signal into one source interactive optical signal, and the optical signal multiplexing unit 13 is used to multiplex the source differential optical signal and the source interactive optical signal form an optical signal source, and send the optical signal source.

The receiving module 2, the receiving module 2 includes a second differential signal conversion unit 21, a second interactive signal conversion unit 22 and an optical signal demultiplexing unit 23, and the optical signal demultiplexing unit 23 is used for receiving and demultiplexing the optical signal source into One target differential optical signal and one target interactive optical signal, the second differential signal conversion unit 21 is used to convert one target differential optical signal into multiple target differential signals, and the second interactive signal conversion unit 22 is used to convert one target interactive optical signal Converted to a multi-channel target interaction signal.

In practice, HDMI is an all-digital video and sound transmission interface, usually connected between the signal source and the display. The source differential signal is a kind of uncompressed multi-channel audio and video signals that can be sent. HDMI high-definition video signals are usually Using HDMI copper wire transmission, with the development of high-definition video technology in recent years, the resolution has become higher and higher, and 4K and 8K video have begun to be used commercially. Then the bandwidth of the HDMI transmission cable is higher. The video data transmission bandwidth requirement of HDMI2.1 and 8K/60HZ resolution is 48Gb/s, and the upper limit of HDMI copper wire transmission distance is about 5 meters. If longer distance transmission is required, HDMI copper wire can no longer meet the bandwidth requirement. Optical fiber transmission is a good choice, and the bandwidth of optical fiber can be as high as tens of Tbits, which fully meets the transmission of HDMI2.1 audio and video signals.

The source differential signal includes four minimum transmission differential signals with a bandwidth of 12Gb/s, and the source interactive signal includes low-rate bidirectional signals such as DDC, CEC, and HPD, and the four minimum transmission differential signals with a bandwidth of 12Gb/s can pass through the A differential signal is converted into a source differential optical signal, and then combined into a short optical fiber, and the total bandwidth after combining is 48Gb/s; at the same time, low-speed signals such as DDC, CEC, and HPD of high-definition video pass through the first interactive signal conversion unit 12 It is converted into a source-interactive optical signal with a bandwidth of 1.25 Gb/s, and then the optical signal multiplexing unit 13 multiplexes a source differential optical signal and a source-interactive optical signal into an optical signal source, and transmits the optical signal source.

The optical signal demultiplexing unit 23 receives and demultiplexes the optical signal source into a target differential optical signal with a bandwidth of 48Gb/s and a target interactive optical signal with a bandwidth of 1.25Gb/s, and the target differential optical signal passes through the second differential signal conversion unit. 21 is converted into multiple target differential signals conforming to the standard, and the target interactive optical signal is converted into a target interactive signal conforming to the standard through the second interactive signal conversion unit 22 .

In an implementation of this embodiment, as shown in FIG. 1 , the first differential signal conversion unit 11 includes:

a signal driving subunit 111, the signal driving subunit 111 is used to convert a source differential signal into a source differential current signal;

The long-wave laser subunit 112 is used to combine the source differential current signal into a source differential optical signal.

In practical application, as shown in Figure 2, the source differential signal is HDMI2.0 four-channel bandwidth 12Gb/s minimum transmission differential signal, and the signal driver sub-unit 111 can be set as a four-channel 12Gb/s high-speed signal laser driver, long-wavelength The laser sub-unit 112 can be configured as a four-wavelength waveplate laser assembly, and the four-way 12Gb/s high-speed signal laser driver can convert the HDMI2.0 four-way minimum transmission differential voltage signal into a source differential driving the four-wavelength waveplate laser assembly. Current signal, the four-wavelength wave plate laser assembly can convert four lasers with wavelengths of 1270nm, 1290nm, 1310nm and 1330nm into one source differential optical signal using the reflection and transmission principle of the wave plate, and couple the source differential optical signal to the source differential optical signal. in a fiber stub.

In an implementation of this embodiment, as shown in FIG. 1 , the first interactive signal conversion unit 12 includes:

The first buffer subunit 121, the first buffer subunit 121 is used to decompose the source interaction signal into the source two-way interaction signal;

The first serial-parallel subunit 122, the first serial-parallel subunit 122 is used to convert the source bidirectional interaction signal into the source serial-parallel interaction signal;

The first photoelectric conversion sub-unit 123, the first electro-optical conversion sub-unit is used to convert the source serial interactive signal into a source-interactive optical signal.

In actual application, as shown in FIG. 2 , the source interaction signal is a source low-speed data signal such as DDC, CEC, HPD of high-definition video, the first buffer sub-unit 121 can be set as a buffer, and the first serial-parallel sub-unit 122 can be set to For SERDES 1.25Gb/s parallel-serial/serial-parallel converter, the first photoelectric conversion sub-unit 123 can be set as a 1.25Gb/s photoelectric/electrical-optical converter, DDC and CEC signals are single-line bidirectional transmission, but the laser in subsequent optical fiber transmission And the photodetector cannot work in both directions, so the DDC and CEC signals must be decomposed into two-way bidirectional signals before they can be transmitted through the optical fiber. Therefore, the DDC and CEC signals are converted into corresponding source bidirectional interactive signals through the buffer, and then converted into corresponding 1.25Gb/s source serial-to-parallel interactive signals through the SERDES 1.25Gb/s parallel-serial/serial-to-parallel converter.

The source interaction signal also includes IR in, RS232, 10/100M parallel signal, SERDES1.25Gb/s parallel-serial/serial-parallel converter can convert parallel input low-speed IR in, RS232, 10/100M Ethernet and other signals into 1.25Gb /s source serial-parallel interactive signal, and can convert the received 1.25Gb/s serial signal into parallel input low-speed IR in, RS232, 10/100M Ethernet and other signal output.

Finally, the source serial-parallel interaction signal and the mutual conversion between the optical signal and the electrical signal can be realized through a 1.25Gb/s photoelectric/electrical-optical converter, and the 1.25Gb/s source-serial-parallel interaction signal can be converted through a 1.25Gb/s photoelectric/electrical-optical converter. It is a source to exchange optical signals, and the 1.25Gb/s photoelectric/electrical-optical converter can convert 1.25G serial electrical signals into 1490nm optical signals, and at the same time convert 1550 nm optical signals into 1.25Gb/s electrical signals. At the same time, it has a built-in WDM wave plate to realize the multiplexing and demultiplexing of light with wavelengths of 1490nm and 1550nm.

In an implementation of this embodiment, as shown in FIG. 1 , the first interactive signal conversion unit 12 further includes a first serial port sub-unit 124, and the first serial port sub-unit 124 is used to decompose and convert the source USB signal into the source USB signal The serial port signal is converted into a source-serial interactive signal through the first parallel-serial subunit.

In actual application, as shown in Figure 2, the source USB signal is USB1.1 signal, and USB1.1 signal is a single-line bidirectional transmission. The USB signal must be decomposed and converted into a serial port signal by a converter before it can be transmitted through optical fiber. Therefore, the first The serial port subunit 124 can be set as a USB/serial converter, and the USB1.1 signal can be converted into the corresponding source USB serial port signal through the USB/serial converter, and then converted into 1.25 through the SERDES1.25Gb/s parallel-serial/serial-parallel converter Gb/s source serial interactive signal.

It should be noted that, as shown in FIG. 2 , the optical signal multiplexing unit 13 can be set as a three-wave FWDM passive optical component, and through the three-wave FWDM passive optical component, one source differential optical signal and one source interactive optical signal can be multiplexed into one. One optical signal source, and one optical signal source is sent to a long optical fiber for transmission. The three-wave FWDM passive optical module can multiplex and demultiplex optical signals of 1310nm wavelength (wavelength range: 1260nm~1360nm), 1550nm wavelength (wavelength range: 1540nm~1560) and 1490nm wavelength (wavelength range: 1480nm~1500nm) .

In an implementation of this embodiment, as shown in FIG. 1 , the second differential signal conversion unit 21 includes:

The long-wave detection subunit 211 is used for converting the target differential optical signal into a target voltage signal;

The signal amplifying subunit 212 is used for converting the target voltage signal into the target differential signal.

In practical application, as shown in FIG. 3 , the optical signal demultiplexing unit 23 can be set as a three-wavelength FWDM passive optical component, the long-wave detection sub-unit 211 can be set as a four-wavelength wave plate type optical detector component, and the signal amplifier The unit 212 can be set as a four-way 12Gb/s high-speed signal limiting amplifier, and the received optical signal source can be demultiplexed into one 48Gb/target differential optical signal through a three-wavelength FWDM passive optical component, and the converted 48Gb/s The target differential optical signal is converted into the target voltage signal through the long-wave detection sub-unit 211, so that the four optical signals in the short fiber with wavelengths of 1270 nm, 1290 nm, 1310 nm and 1330 nm are respectively coupled to the four optical signals by the reflection and transmission principle of the wave plate. The detector is converted into a voltage signal for output, and finally the four target voltage signals are amplified to the target differential signal conforming to the HDMI2.0 standard level through the four-channel 12Gb/s high-speed signal limiting amplifier.

In an implementation of this embodiment, as shown in FIG. 1 , the second interactive signal conversion unit 22 includes:

The second photoelectric conversion sub-unit 221, the second photoelectric conversion sub-unit 221 is used to convert the target interactive optical signal into the target interactive electrical signal;

The second serial-parallel subunit 222, the second serial-parallel subunit 222 is used to convert the target interactive electrical signal into the target interactive signal;

The second buffer sub-unit 223 is used for decomposing the target interaction signal into target bidirectional interaction signals.

In practical application, as shown in FIG. 3 , the received optical signal source can be demultiplexed into a 1.25Gb/s target interactive optical signal through the three-wavelength FWDM passive optical component, and the second photoelectric conversion sub-unit 221 can be set to It is a 1.25Gb/s photoelectric/electrical-optical converter, the second serial-parallel subunit 222 can be set as a SERDES 1.25Gb/s parallel-serial/serial-parallel converter, and the second buffer subunit 223 can be set as a buffer, the target exchange optical signal The 1.25Gb/s photoelectric/electrical-optical converter is converted into target interactive electrical signals, and then converted into multi-channel target interactive signals through 1.25Gb/s parallel-serial/serial-to-parallel converters, wherein the DDC and CEC target interactive signals are decomposed by the buffer into a two-wire bidirectional target signal.

In an implementation of this embodiment, as shown in FIG. 1 , the second interactive signal conversion unit 22 further includes a second serial port subunit 224, and the second serial port subunit 224 is used to decompose and convert the target USB serial port signal into a target USB signal.

In practical application, as shown in Figure 3, the target interaction signal also includes USB1.1 signal, because USB1.1 signal is a single-wire two-way transmission, the USB1.1 signal must be decomposed and converted into a serial port signal by a converter before it can be transmitted through optical fiber , so the second serial port subunit 224 can be set as a buffer, and the USB1.1 signal is decomposed into the target serial port signal through the buffer.

The implementation principle of an optical fiber transmission system in this embodiment of the present application is as follows: the multi-source data signal acquired by the sending module 1 is converted into one source differential optical signal by the first differential signal converting unit 11 , and the acquired multi-source differential signal is converted into one source differential optical signal. According to the conversion of the first interactive signal conversion unit 12 into one source of interactive optical signals, two optical signals are obtained respectively, and finally the two optical signals are multiplexed into one optical signal source by the optical signal multiplexing unit 13, thereby improving the signal quality. Real-time, after the receiving module 2 receives the optical signal source, the optical signal source can be demultiplexed into one target differential optical signal and one target interactive optical signal through the optical signal demultiplexing unit 23, and then the second differential signal conversion unit. 21 converts one target differential optical signal into multiple standard target differential signals, and converts one target interactive optical signal into multiple standard target interactive signals through the second interactive signal conversion unit 22 . Therefore, the optical fiber transmission method provided by the present application can improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

The embodiment of the present application discloses an optical fiber transmission method. Referring to FIG. 4 , the method includes the following steps:

S1. Obtain a multi-source differential signal and a multi-source interactive signal;

S2. Convert the multi-source differential signal into one-source differential optical signal, and convert the multi-source interactive signal into one-source interactive optical signal;

S3, multiplexing the source differential optical signal and the source interactive optical signal into one optical signal source, and sending the optical signal source;

S4, demultiplexing the optical signal source into a target differential optical signal and a target interactive optical signal;

S5. Convert one target differential optical signal into multiple target differential signals, and convert one target interactive optical signal into multiple target interactive signals.

Step S1 In practice, HDMI is a full-scale and sending interface, usually connected between the signal source and the display, the source differential signal is a multi-channel audio and video signal that can send uncompressed, and HDMI high-definition video signals are usually Using HDMI copper wire transmission, with the development of high-definition video technology in recent years, the resolution has become higher and higher, and 4K and 8K video have begun to be used commercially. Then the bandwidth of the HDMI transmission cable is higher. The video data transmission bandwidth requirement of HDMI2.1 and 8K/60HZ resolution is 48Gb/s, and the upper limit of HDMI copper wire transmission distance is about 5 meters. If longer distance transmission is required, HDMI copper wire can no longer meet the bandwidth requirement. Optical fiber transmission is a good choice, the bandwidth of optical fiber can be as high as tens of Tbits, which fully meets the transmission of HDMI2.1 audio and video signals.

Step S2-Step S3 In practical application, the source differential signal includes four channels of minimum transmission differential signals with a bandwidth of 12Gb/s, and the source interaction signal includes low-rate bidirectional signals such as DDC, CEC, and HPD, and the four channels of bandwidth are 12Gb/s. The minimum transmission differential signal of /s is converted into a source differential optical signal, and then combined into a short optical fiber, the total bandwidth after combining is 48Gb/s; One channel of source-interactive optical signal with a bandwidth of 1.25Gb/s, then one channel of source differential optical signal and one channel of source-interactive optical signal are multiplexed into one channel of optical signal source, and the optical signal source is sent.

Step S4-Step S5 are in practical application, receive and demultiplex the optical signal source into a target differential optical signal with a bandwidth of 48Gb/s and a target interactive optical signal with a bandwidth of 1.25Gb/s, and then convert the target differential optical signal into Multi-channel target differential signals conforming to the standard, and the target interactive optical signal is converted into a standard target interactive signal.

The implementation principle of an optical fiber transmission method in the embodiment of the present application is as follows: converting the acquired multi-source data signal into one source differential optical signal, converting the acquired multi-source differential signal into one source interactive optical signal, and then respectively obtaining Two optical signals, and finally the two optical signals are multiplexed into one optical signal source, thereby improving the real-time performance of the signal. After receiving the optical signal source, the optical signal source is demultiplexed into one target differential optical signal and one target. Exchange optical signals, then convert one target differential optical signal into multiple standard target differential signals, and convert one target interactive optical signal into multiple standard target interactive signals. Therefore, the optical fiber transmission method provided by the present application can improve the real-time performance of video signal transmission, thereby reducing the damage of video image quality.

The embodiment of the present application also discloses a terminal device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein, when the processor executes the computer program, one of the above-mentioned embodiments is adopted. fiber optic transmission method.

The terminal device may be a desktop computer, a notebook computer, or a cloud server or other computer device, and the terminal device includes but is not limited to a processor and a memory. For example, the terminal device may also include an input and output device, a network access device, and a bus.

Among them, the processor can be a central processing unit (CPU), of course, other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), off-the-shelf programmable gate arrays ( FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., the general-purpose processor may use a microprocessor or any conventional processor, etc., which is not limited in this application.

The memory may be an internal storage unit of the terminal device, such as a hard disk or memory of the terminal device, or may be an external storage device of the terminal device, such as a plug-in hard disk, a smart memory card (SMC), A secure digital card (SD) or a flash memory card (FC), etc., and the memory can also be a combination of an internal storage unit of the terminal device and an external storage device, the memory is used to store computer programs and other programs and data required by the terminal device, The memory may also be used to temporarily store data that has been output or will be output, which is not limited in this application.

Wherein, through the terminal device, an optical fiber transmission method in the above embodiment is stored in the memory of the terminal device, and is loaded and executed on the processor of the terminal device, which is convenient to use.

The embodiment of the present application further discloses a computer-readable storage medium, and the computer-readable storage medium stores a computer program, wherein when the computer program is executed by the processor, an optical fiber transmission method in the above-mentioned embodiment is adopted.

The computer program may be stored in a computer-readable medium, and the computer program includes computer program code, which may be in the form of source code, object code, executable file or some middleware, etc. Any entity or device, recording medium, USB flash drive, removable hard disk, magnetic disk, optical disc, computer memory, read only memory (ROM), random access memory (RAM), electric carrier signal, telecommunication signal, and software carrying computer program code Distribution medium, etc. It should be noted that the computer-readable medium includes but is not limited to the above-mentioned components.

Wherein, an optical fiber transmission method in the above-mentioned embodiment is stored in the computer-readable storage medium through the computer-readable storage medium, and is loaded and executed on the processor, so as to facilitate the storage and application of the above-mentioned method.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. An optical fiber transmission system, comprising:

the optical signal transmission system comprises a transmission module (1), wherein the transmission module (1) comprises a first differential signal conversion unit (11), a first interactive signal conversion unit (12) and an optical signal multiplexing unit (13), the first differential signal conversion unit (11) is used for converting acquired multi-channel source differential signals into one channel of source differential optical signals, the first interactive signal conversion unit (12) is used for converting the acquired multi-channel source interactive signals into one channel of source interactive optical signals, and the optical signal multiplexing unit (13) is used for multiplexing the source differential optical signals and the source interactive optical signals into one channel of optical signal sources and transmitting the optical signal sources;

the receiving module (2), the receiving module (2) includes a second differential signal conversion unit (21), a second interactive signal conversion unit (22) and an optical signal demultiplexing unit (23), the optical signal demultiplexing unit (23) is used for receiving and demultiplexing the optical signal source into one path of target differential optical signal and one path of target interactive optical signal, the second differential signal conversion unit (21) is used for converting one path of target differential optical signal into multiple paths of target differential signals, and the second interactive signal conversion unit (22) is used for converting one path of target interactive optical signal into multiple paths of target interactive signals.

2. An optical fiber transmission system according to claim 1, wherein the first differential signal conversion unit (11) comprises:

a signal driving subunit (111), the signal driving subunit (111) being configured to convert the source differential signal into a source differential current signal;

and the long-wave laser subunit (112), wherein the long-wave laser subunit (112) is used for multiplexing the source differential current signal into a source differential optical signal.

3. An optical fiber transmission system according to claim 2, wherein the first interaction signal transforming unit (12) comprises:

a first buffer subunit (121), the first buffer subunit (121) being configured to decompose the source interactive signal into a source bidirectional interactive signal;

a first serial-parallel subunit (122), the first serial-parallel subunit (122) being configured to convert the source bidirectional cross signal into a source serial-parallel cross signal;

the first photoelectric conversion subunit (123), the first photoelectric conversion subunit (123) is configured to convert the source serial interaction signal into a source interaction optical signal.

4. An optical fiber transmission system according to claim 3, wherein the first interactive signal conversion unit (12) further comprises a first serial port subunit (124), the first serial port subunit (124) is configured to decompose and convert the source USB signal into the source USB serial port signal, and convert the source USB serial port signal into the source serial interactive signal through the first parallel serial subunit.

5. An optical fiber transmission system according to claim 1, wherein the second differential signal conversion unit (21) comprises:

a long wave detection subunit (211), the long wave detection subunit (211) being configured to convert the target differential optical signal into a target voltage signal;

a signal amplification subunit (212), the signal amplification subunit (212) being configured to convert the target voltage signal into a target differential signal.

6. An optical fiber transmission system according to claim 1, wherein the second mutual signal conversion unit (22) comprises:

a second photoelectric conversion subunit (221), the second photoelectric conversion subunit (221) being configured to convert the target interaction optical signal into a target interaction electrical signal;

a second serial-to-parallel subunit (222), the second serial-to-parallel subunit (222) being configured to convert the target interaction electrical signal into a target interaction signal;

a second buffer subunit (223), wherein the second buffer subunit (223) is configured to decompose the target interactive signal into a target bidirectional interactive signal.

7. An optical fiber transmission system according to claim 6, wherein the second interactive signal conversion unit (22) further comprises a second serial sub-unit (224), and the second serial sub-unit (224) is configured to decompose and convert the target USB serial signal into the target USB signal.

8. An optical fiber transmission method, comprising the steps of:

acquiring a plurality of paths of source differential signals and a plurality of paths of source interaction signals;

converting the plurality of paths of source differential signals into one path of source differential optical signals, and converting the plurality of paths of source interaction signals into one path of source interaction optical signals;

multiplexing the source differential optical signal and the source interaction optical signal into a path of the optical signal source, and sending the optical signal source;

demultiplexing the optical signal source into a path of target difference optical signal and a path of target interaction optical signal;

and converting one path of the target differential optical signal into a plurality of paths of the target differential signals, and converting one path of the target interactive optical signal into a plurality of paths of the target interactive signals.

9. A terminal device comprising a memory, a processor and a computer program stored in the memory and being executable on the processor, characterized in that the method as claimed in claim 8 is used when the processor loads and executes the computer program.

10. A computer-readable storage medium, in which a computer program is stored which, when loaded and executed by a processor, carries out the method of claim 8.

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