CN117240363B - Signal transmission method based on optical module and optical module transmission system - Google Patents
Signal transmission method based on optical module and optical module transmission system Download PDFInfo
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Abstract
The invention discloses a signal transmission method and a signal transmission system based on an optical module, wherein the signal transmission method and the signal transmission system based on the optical module comprise the following steps: acquiring initial signal data and acquiring a signal data transmission path based on a plurality of front-end receiving units; inquiring the data of the receiving end optical module, and matching and screening in a plurality of transfer optical modules to obtain a plurality of target transfer optical modules; controlling a transmitting-end optical module to transmit an optical driving signal to a target transit optical module based on the optical control instruction; the receiving end optical module acquires optical driving signal data, and extracts optical control instruction data and receiving signal data based on the optical driving signal data; the receiving-end optical module detects the accuracy of the received signal data based on the light control instruction. According to the signal transmission method, the plurality of transfer optical modules are arranged, and the proper transmission paths are constructed in the optical module transmission system according to the transmission wavelength of the receiving end optical module, so that the signal is prevented from being transferred in multiple processes, the risk of data loss is reduced, and the reliability of the optical module signal transmission is improved.
Description
Technical Field
The invention mainly relates to the technical field of communication, in particular to a signal transmission method based on an optical module and an optical module transmission system.
Background
The current optical module technology is applied in the communication field, the acquired electric signals are converted into optical signals through the optical modules, the signals are transmitted through optical signal transmission carriers such as optical fibers, and according to the interconnection principle, the signal transmission requirements among the optical modules are equal to each other, namely, the transmission rate, transmission distance, transmission mode, working wavelength and other requirements of the optical modules at the transmitting end and the receiving end are consistent, when the long-distance signal transmission relates to the signal transmission among the optical modules with different specifications, the signal processing and the transfer are required to be performed among the optical modules with different specifications through a transfer station of a switch, so that the signals are processed in the transmission process, partial data loss is easy to occur, and the signal transmission quality of the optical modules is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a signal transmission method and an optical module transmission system based on an optical module.
The invention provides a signal transmission method based on an optical module, which is applied to an optical module transmission system, and the optical module transmission system comprises the following components: the signal transmission method comprises the following steps of:
acquiring initial signal data based on the plurality of front-end receiving units, and acquiring the signal data transmission path through the initial signal data;
inquiring the data of the receiving end optical module of the signal data transmission path, and matching and screening in a plurality of transfer optical modules according to the data of the receiving end optical module to obtain a target transfer optical module;
processing the initial signal data by an electric signal processor to generate a light control instruction;
controlling a transmitting-end optical module to transmit an optical driving signal to the target transfer optical module based on the optical control instruction, wherein the optical driving signal comprises optical control instruction data;
the receiving end optical module acquires the optical driving signal data, and extracts optical control instruction data and receiving signal data based on the optical driving signal data;
the receiving end optical module detects the accuracy of the received signal data based on the light control instruction, and if the accuracy of the received signal data is qualified, signal transmission is carried out; and if the accuracy of the received signal data is not qualified, feeding back an error signal to the optical module transmission system.
Further, the acquiring initial signal data based on the plurality of front-end receiving units, and acquiring the signal data transmission path through the initial signal data includes:
acquiring initial signal data input by a user based on the plurality of front-end receiving units, and inquiring a sending end logic address for data sending and a destination logic address for data receiving according to the initial signal data;
and constructing a signal data transmission path according to the sender logical address and the destination logical address.
Further, the constructing a signal data transmission path according to the sender logical address and the destination logical address includes:
inquiring a receiving end optical module of a data receiving end accessed to the optical module system according to the destination logical address, and acquiring the working state of each receiving end optical module;
and setting up a signal data transmission path according to the working state of the receiving end optical module of the data receiving end.
Further, the querying the receiving end optical module data of the signal data transmission path, and matching and screening in a plurality of transfer optical modules according to the receiving end optical module data, so as to obtain a plurality of target transfer optical modules includes:
and acquiring data of the receiving end optical modules according to the signal data transmission path, matching a plurality of transit optical modules according to the optical transmission wavelength of the receiving end optical modules, selecting the transit optical modules with the same optical transmission wavelength as the receiving end optical modules, and marking the transit optical modules as target transit optical modules.
Further, the querying the receiving end optical module data of the signal data transmission path, and matching and screening in a plurality of transfer optical modules according to the receiving end optical module data, so as to obtain a plurality of target transfer optical modules further includes:
the optical signal receiving end of any one of the target transfer optical modules is connected with the optical transmitting end of the upper-level target transfer optical module;
and the optical transmitting end of any one of the target transfer optical modules is connected with the optical signal receiving end of the next stage of the target transfer optical module.
Further, the processing the initial signal data by the electrical signal processor, generating the light control instruction includes:
and the electric signal processor acquires initial signal data and generates a light control instruction according to the light transmission wavelength of the target transfer light module.
Further, the controlling, based on the light control instruction, the sending end light module to send the light driving signal to the target relay light module includes:
the transmitting-end optical module generates optical signal data corresponding to the initial signal data based on the optical control instruction;
the light control instruction comprises optical signal transmission wavelength data, and the sending-end optical module drives the light emitting device to emit the optical signal data with the same wavelength based on the optical signal transmission wavelength.
Further, the controlling the transmitting-end optical module to transmit the optical driving signal to the target transit optical module based on the optical control instruction further includes:
and an optical signal receiving end of the target transfer optical module receives the optical signal data sent by the sending end optical module and sends the optical signal data to the receiving end optical module through a transmission optical cable.
Further, the detecting, by the receiving-end light module, accuracy of the received signal data based on the light control instruction includes:
and the receiving end optical module generates a light control comparison instruction according to the received signal data, performs comparison analysis through the light control comparison instruction and the light control instruction data, and detects the accuracy of the received signal data.
The invention also provides an optical module transmission system, which comprises: the system comprises a plurality of front-end receiving units, a plurality of transfer optical modules, a transmitting-end optical module and an electric signal processor, wherein the electric signal processor is used for acquiring initial signal data based on the plurality of front-end receiving units, and is in signal connection with the transmitting-end optical module;
the plurality of middle light transfer modules are used for receiving the light driving signals of the transmitting end light module, and the light module transmission system is used for executing the signal transmission method.
The invention provides a signal transmission method and an optical module transmission system based on an optical module.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a signal transmission method based on an optical module in an embodiment of the invention;
fig. 2 is a schematic diagram of the structure of an optical module transmission system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 shows a signal transmission method based on an optical module in an embodiment of the present invention, where the signal transmission method is applied to an optical module transmission system, and the optical module transmission system includes: the system comprises a plurality of front-end receiving units, a plurality of transfer optical modules, a transmitting-end optical module and an electric signal processor, wherein the plurality of front-end receiving units are in signal connection with the electric signal processor, and the electric signal processor acquires initial signal data based on the plurality of front-end receiving units.
The signal transmission method comprises the following steps:
s11: and acquiring initial signal data based on the plurality of front-end receiving units, and acquiring the signal data transmission path through the initial signal data.
Specifically, the acquiring, based on the plurality of front-end receiving units, initial signal data, and acquiring the signal data transmission path through the initial signal data includes:
and acquiring initial signal data input by a user based on the plurality of front-end receiving units, inquiring a sending-end logic address for data transmission and a destination logic address for data reception according to the initial signal data, and constructing a signal data transmission path according to the sending-end logic address and the destination logic address.
Further, according to the transmission protocol of the sender logical address and the destination logical address, a transfer station meeting the transmission requirements of the sender logical address and the destination logical address is queried, and according to the transfer station, the data transmission path is constructed between the sender logical address and the destination logical address.
Specifically, the constructing a signal data transmission path according to the sender logical address and the destination logical address includes:
inquiring a data receiving end to access a receiving end optical module of the optical module system according to the destination logical address, acquiring the working state of each receiving end optical module, and setting up a signal data transmission path according to the working state of the receiving end optical module of the data receiving end, namely extracting the receiving end optical module in an idle state according to the working state of each receiving end optical module, and constructing the signal data transmission path by taking the receiving end optical module as a data transmission destination.
Further, signal transmission information is obtained according to the initial signal data, receiving end address information of signal data transmission is combined, a receiving end optical module is selected according to real-time conditions of a receiving end, and a signal data transmission path is constructed, namely, the signal data transmission path of the optical module transmission system is adjusted in real time according to the initial signal data, so that the transmission quality of the signal data can be improved by the optical module transmission system.
S12: inquiring the data of the receiving end optical module of the signal data transmission path, and matching and screening the data of the receiving end optical module in a plurality of transfer optical modules according to the data of the receiving end optical module to obtain a plurality of target transfer optical modules.
Specifically, the querying the receiving end optical module data of the signal data transmission path, and matching and screening in a plurality of transfer optical modules according to the receiving end optical module data, so as to obtain a plurality of target transfer optical modules includes:
and acquiring data of the receiving end optical modules according to the signal data transmission path, matching a plurality of transit optical modules according to the optical transmission wavelength of the receiving end optical modules, selecting the transit optical modules with the same optical transmission wavelength as the receiving end optical modules, and marking the transit optical modules as target transit optical modules.
And inquiring the optical transmission wavelength of the receiving end optical module, extracting the transit optical modules with the same optical transmission wavelength from the transit stations related to the signal data transmission path according to the optical transmission wavelength, marking the transit optical modules as target transit optical modules, and constructing each transit node of the signal data transmission path based on the target transit optical module of each transit station so that the initial signal data can be transmitted to the receiving end optical module based on the transit node of the signal data transmission path.
Further, the optical signal receiving end of any one of the plurality of target transfer optical modules is connected to the optical transmitting end of the previous target transfer optical module, the optical transmitting end of any one of the target transfer optical modules is connected to the optical signal receiving end of the next target transfer optical module, the optical transmission wavelengths among the target transfer optical modules are the same, and any one of the target transfer optical modules can directly acquire the optical signal data transmitted by the previous target transfer optical module.
Further, in the signal transmission process, any one of the target relay optical modules performs data backup on the acquired optical signal data to generate temporary backup data, and after the initial signal data completes signal data transmission, the target relay optical module clears the temporary backup data.
S13: and processing the initial signal data by an electric signal processor to generate a light control instruction.
Specifically, the processing the initial signal data by the electrical signal processor, and generating the light control instruction includes:
the electronic signal processor acquires initial signal data, generates a light control instruction according to the light transmission wavelength of the target transfer light module, identifies the acquired initial signal data, converts the initial signal data into an electronic signal according to the light transmission wavelength of the target transfer light module, generates the light control instruction, and sends the light control instruction to the sending end light module.
Specifically, the electrical signal processor adjusts the frequency spectrum of the obtained initial signal data according to the signal transmission rate range of the transit optical module of the signal data transmission path, so as to adjust the transmission rate of the initial signal data, and enable the initial signal data to meet the transmission rate requirement of the target transit optical module.
S14: and controlling a transmitting-end optical module to transmit an optical driving signal to the target transfer optical module based on the optical control instruction, wherein the optical driving signal comprises optical control instruction data.
Specifically, the controlling, based on the light control instruction, the sending end optical module to send the optical driving signal to the target transit optical module includes:
the transmitting-end optical module generates optical signal data corresponding to the initial signal data based on the optical control instruction;
the light control instruction comprises light signal transmission wavelength data, and the sending-end light module drives the light emitting device to emit light signal data with the same wavelength based on the light signal transmission wavelength, namely, the sending-end light module lights the light emitting device based on the light control instruction, so that the light emitting device can excite the light signal data with the same light signal transmission wavelength.
Specifically, the controlling, based on the light control instruction, the sending end optical module to send the optical driving signal to the target transit optical module further includes:
and an optical signal receiving end of the target transfer optical module receives the optical signal data sent by the sending end optical module and sends the optical signal data to the receiving end optical module through a transmission optical cable.
Specifically, the transmitting-end optical module obtains the optical signal transmission wavelength data based on the optical control instruction, and obtains a light emitting color corresponding to the wavelength data based on the optical signal transmission wavelength data, and the transmitting-end optical module can enable the light emitting device to emit the light emitting color corresponding to the optical signal transmission wavelength data by adjusting multiplexing control of the light emitting pixel unit inside the light emitting device based on the obtained light emitting color.
Further, the electric signal according to the initial signal data is converted into a corresponding optical signal driving instruction, so that the light emitting device of the transmitting-end optical module can generate optical signal data with specific frequency according to the optical signal driving instruction, and the optical module transmission of the signal data is realized.
Specifically, the transfer optical module is in signal connection with the optical signal output end of the transmitting end optical module based on a transmission optical cable, that is, the transmitting end optical module can transmit optical signal data sent by the light emitting device to the transfer optical module through the transmission optical cable. The electric signal processor can perform multi-thread processing, namely, a plurality of front end receiving units acquire a plurality of initial data to perform electric signal processing at the same time, and the transmitting end optical module can generate composite light rays containing various wavelengths based on the light control instruction of the electric signal processor.
Furthermore, the optical signal output end of the optical module at the transmitting end is in signal connection with a plurality of transit optical modules based on the wavelength division multiplexer, the optical signal data can be input to the wavelength division multiplexer through the light emitting device by the optical module at the transmitting end, the plurality of output ends of the wavelength division multiplexer are correspondingly connected to the plurality of transit optical modules, and the input optical signal data can be divided into optical signal data with different wavelengths according to transmission wavelengths through the wavelength division multiplexer, so that the optical signal data can be transmitted.
Further, the transmitting-end optical module marks the corresponding light control instruction data at the front end of the corresponding optical driving data, namely generates the optical driving data according to the initial signal data, converts the light control instruction into the optical signal data, and records the optical signal data at the front end of the optical driving data.
Further, blank data in two unit time are arranged between the light control instruction data and the light driving data, so that the light control instruction data and the light driving data are separated.
S15: the receiving end optical module acquires the optical driving signal data, and extracts optical control instruction data and receiving signal data based on the optical driving signal data.
Specifically, after the receiving-end optical module obtains the optical driving signal data through the transmission of the plurality of optical transferring modules, the receiving-end optical module can extract the optical control instruction and the receiving signal data based on the optical driving signal data.
Further, the receiving-end optical module converts the optical driving signal data into electric signal data according to the received optical driving signal data, analyzes the electric signal data, and extracts the optical control instruction data from the optical driving signal data according to the blank mark position of the front end of the optical driving signal data.
S16: and the receiving end light module detects the accuracy of the received signal data based on the light control instruction.
Specifically, the detecting, by the receiving-end optical module, accuracy of the received signal data based on the light control instruction includes:
and the receiving end optical module generates a light control comparison instruction according to the received signal data, performs comparison analysis through the light control comparison instruction and the light control instruction data, and detects the accuracy of the received signal data.
Specifically, the receiving-end optical module performs analog transmission operation according to the received signal data, generates light control comparison instruction data according to the received signal data, extracts distinguishing data segments of the light control comparison instruction data and the light control instruction data by performing comparison analysis on the light control comparison instruction data and the light control instruction data, and analyzes the duty ratio of the distinguishing data segments in the light control instruction data.
Further, the accuracy of the received signal data is evaluated according to the duty ratio of the distinguishing data segments, if the duty ratio is less than 8%, the accuracy of the received signal data is qualified, and if the duty ratio is greater than or equal to 8%, the accuracy of the received signal data is not qualified. Comparing the light control comparison instruction with the light control instruction data, and if the accuracy of the received signal data is qualified, entering step S17;
if the accuracy of the received signal data is not acceptable, the process proceeds to step S18.
S17: the receiving end optical module performs signal transmission based on the received signal data, and the receiving end optical module outputs the received signal data through a signal output end according to the received signal data and completes data transmission of initial signal data in the optical module transmission system.
S18: the receiving end optical module generates an error reporting signal and feeds back the error signal to the optical module transmission system, the optical module transmission system inquires working temporary backup data of each target transfer optical module on the signal data transmission path, and obtains a target transfer module mark with lost data as the error reporting point optical module by inquiring backup data of adjacent target transfer optical modules for comparison, and obtains the last-stage backup data of the error reporting point optical module, and re-transmits signals based on the backup data, so that accuracy of signal transmission is ensured.
Furthermore, by inquiring the backup data to perform data multiplexing and retransmission, the operation quality of the transit optical module can be marked so as to maintain the transmission system and improve the efficiency of signal retransmission.
The embodiment of the invention provides a signal transmission method based on an optical module, which is characterized in that a plurality of transfer optical modules are arranged, and a proper transmission path is constructed in an optical module transmission system according to the transmission wavelength of a receiving end optical module, so that signal data can be prevented from being transferred in a plurality of processes in the transmission process, the risk of data loss is reduced, and the reliability of optical module signal transmission is improved.
Embodiment two:
fig. 2 shows a schematic structural diagram of an optical module transmission system in an embodiment of the present invention, where the optical module transmission system includes: the device comprises a plurality of front-end receiving units 10, a plurality of transit light modules 40, a transmitting-end light module 30 and an electric signal processor 20, wherein the electric signal processor 20 acquires initial signal data based on the plurality of front-end receiving units 10, the electric signal processor 20 is in signal connection with the transmitting-end light module 30, and the transmitting-end light module 30 is in signal connection with the receiving-end light module 50 based on the plurality of transit light modules 40.
The plurality of optical transfer modules 40 are configured to receive optical driving signals of the transmitting-end optical module 30, and the optical module transmission system is configured to execute the optical module-based signal transmission method.
Specifically, the plurality of front end receiving units 10 are in signal connection with the electrical signal processor 20, the electrical signal processor 20 obtains initial signal data input by a user based on the plurality of front end receiving units 10, the electrical signal processor 20 can draw out a transmission path of the signal data according to the initial signal data, and a specific operation mode of the optical module transmission system can refer to the contents described in the foregoing embodiments, which is not repeated herein.
The invention provides an optical module transmission system, which constructs a proper transmission path in the optical module transmission system according to the transmission wavelength of a receiving end optical module by arranging a plurality of transfer optical modules, so that signal data can be prevented from being transferred in a plurality of processes in the transmission process, the risk of data loss is reduced, and the reliability of optical module signal transmission is improved.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be implemented by a program to instruct related hardware, the program may be stored in a computer readable storage medium, and the storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
In addition, the foregoing has outlined rather broadly the more detailed description of embodiments of the invention in order that the detailed description of the principles and embodiments of the invention may be implemented in conjunction with the present examples, the above examples being provided to facilitate the understanding of the method and core concepts of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (9)
1. The signal transmission method based on the optical module is characterized in that the signal transmission method is applied to an optical module transmission system, and the optical module transmission system comprises: the signal transmission method comprises the following steps of:
acquiring initial signal data based on the plurality of front-end receiving units, and acquiring a signal data transmission path through the initial signal data;
inquiring the data of the receiving end optical module of the signal data transmission path, and matching and screening the data in a plurality of transfer optical modules according to the data of the receiving end optical module to obtain a plurality of target transfer optical modules;
the querying the receiving end optical module data of the signal data transmission path, and matching and screening in a plurality of transfer optical modules according to the receiving end optical module data, and obtaining a plurality of target transfer optical modules comprises:
acquiring data of the receiving end optical modules according to the signal data transmission path, matching a plurality of transit optical modules according to the optical transmission wavelength of the receiving end optical modules, selecting the transit optical modules with the same optical transmission wavelength as the receiving end optical modules, and marking the transit optical modules as target transit optical modules;
processing the initial signal data by an electric signal processor to generate a light control instruction;
controlling a transmitting-end optical module to transmit an optical driving signal to the target transfer optical module based on the optical control instruction, wherein the optical driving signal comprises optical control instruction data;
the receiving end optical module acquires the optical driving signal data, and extracts optical control instruction data and receiving signal data based on the optical driving signal data;
the receiving end optical module detects the accuracy of the received signal data based on the light control instruction, and if the accuracy of the received signal data is qualified, signal transmission is carried out; and if the accuracy of the received signal data is not qualified, feeding back an error signal to the optical module transmission system.
2. The optical module-based signal transmission method according to claim 1, wherein the acquiring initial signal data based on the plurality of front-end receiving units, the signal data transmission path through the initial signal data comprises:
acquiring initial signal data input by a user based on the plurality of front-end receiving units, and inquiring a sending end logic address for data sending and a destination logic address for data receiving according to the initial signal data;
and constructing a signal data transmission path according to the sender logical address and the destination logical address.
3. The optical module-based signal transmission method according to claim 2, wherein the constructing a signal data transmission path according to the sender logical address and the destination logical address comprises:
inquiring a receiving end optical module of a data receiving end accessed to the optical module transmission system according to the destination logical address, and acquiring the working state of each receiving end optical module;
and setting up a signal data transmission path according to the working state of the receiving end optical module of the data receiving end.
4. The optical module-based signal transmission method as claimed in claim 1, wherein the querying the receiving end optical module data of the signal data transmission path, and matching and screening among the plurality of optical transfer modules according to the receiving end optical module data, and obtaining the plurality of target optical transfer modules further comprises:
the optical signal receiving end of any one of the target transfer optical modules is connected with the optical transmitting end of the upper-level target transfer optical module;
and the optical transmitting end of any one of the target transfer optical modules is connected with the optical signal receiving end of the next stage of the target transfer optical module.
5. The optical module-based signal transmission method of claim 1, wherein the processing the initial signal data by the electrical signal processor to generate the light control instruction comprises:
and the electric signal processor acquires initial signal data and generates a light control instruction according to the light transmission wavelength of the target transfer light module.
6. The optical module-based signal transmission method as claimed in claim 1, wherein the controlling the transmitting-side optical module to transmit the optical driving signal to the target relay optical module based on the optical control command includes:
the transmitting-end optical module generates optical signal data corresponding to the initial signal data based on the optical control instruction;
the light control instruction comprises optical signal transmission wavelength data, and the sending-end optical module drives the light emitting device to send out optical signal data with the same wavelength based on the optical signal transmission wavelength data.
7. The optical module-based signal transmission method as claimed in claim 6, wherein controlling the transmitting-side optical module to transmit the optical driving signal to the target relay optical module based on the optical control command further comprises:
and an optical signal receiving end of the target transfer optical module receives the optical signal data sent by the sending end optical module and sends the optical signal data to the receiving end optical module through a transmission optical cable.
8. The optical module-based signal transmission method according to claim 1, wherein the receiving-side optical module detecting the accuracy of the received signal data based on the optical control instruction includes:
and the receiving end optical module generates a light control comparison instruction according to the received signal data, performs comparison analysis through the light control comparison instruction and the light control instruction data, and detects the accuracy of the received signal data.
9. An optical module transmission system, characterized in that the optical module transmission system comprises: the system comprises a plurality of front-end receiving units, a plurality of transfer optical modules, a transmitting-end optical module and an electric signal processor, wherein the electric signal processor is used for acquiring initial signal data based on the plurality of front-end receiving units, and is in signal connection with the transmitting-end optical module;
the plurality of intermediate transfer optical modules are used for receiving optical drive signals of the transmitting-end optical module, and the optical module transmission system is used for executing the signal transmission method according to any one of claims 1 to 8.
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