CN117040642A - Secondary carrier optical communication module and method - Google Patents
Secondary carrier optical communication module and method Download PDFInfo
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- CN117040642A CN117040642A CN202311128303.7A CN202311128303A CN117040642A CN 117040642 A CN117040642 A CN 117040642A CN 202311128303 A CN202311128303 A CN 202311128303A CN 117040642 A CN117040642 A CN 117040642A
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- 238000004891 communication Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000006870 function Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 230000005693 optoelectronics Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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Abstract
The invention relates to a secondary carrier optical communication module and a method, wherein the secondary carrier optical communication method comprises a communication method from a first module to a second module, and the communication method from the first module to the second module comprises the following steps: s1: the first module packages secondary carrier information related to the first module into package data according to a communication protocol; s2: the first module modulates the packed data in the step S1 to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the second module; s3: the second module receives the signal sent in the step S2 and then carries out secondary demodulation to obtain a secondary carrier information data packet; s4: the second module unpacks the secondary carrier information data packet in the step S3 to obtain secondary carrier information related to the first module. The invention transmits the secondary carrier information through the communication channel, can transmit the secondary carrier information such as the state information of the module in real time on the premise of not influencing normal communication, and is convenient for realizing the functions of remote monitoring, remote operation and maintenance, automatic generation of network topology and the like.
Description
Technical Field
The invention relates to the field of optical communication, in particular to a secondary carrier optical communication module and a method.
Background
An optical module is one of the most important functional components in an optical communication device. The conventional optical module is mainly used for implementing an optical-to-electrical conversion module for communication by a communication optical fiber line, but is only used for transmitting service data signals. The use of conventional optical modules does not support direct knowledge of the device information, port information, optical module information, related status information, etc. of the opposite end. To obtain the opposite terminal information requires the device to occupy the bandwidth of the normal communication channel through signaling, thereby obtaining the corresponding information. And the real-time acquisition of the related information of the interconnection party cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a secondary carrier optical communication module and a method, which can transmit secondary carrier information such as state information of the module in real time on the premise of not influencing normal communication.
The aim of the invention is realized by the following technical scheme:
a secondary carrier optical communication method comprising a first module to second module communication method, the first module to second module communication method comprising the steps of:
s1: the first module packages secondary carrier information related to the first module into package data according to a communication protocol;
s2: the first module modulates the packed data in the step S1 to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the second module;
s3: the second module receives the signal sent in the step S2 and then carries out secondary demodulation to obtain a secondary carrier information data packet;
s4: the second module unpacks the secondary carrier information data packet in the step S3 to obtain secondary carrier information related to the first module.
Further, the first module in the step S2 processes the package data in the step S1 through a secondary modulation circuit, and then drives the package data and conventional service data to be transmitted through a communication channel by a modulation driving circuit;
and in the step S3, the second module receives the signal sent in the step S2, and then demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and then demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
Further, the secondary carrier optical communication method further includes a second module to first module communication method, and the second module to first module communication method includes the following steps:
a: the second module packages the secondary carrier information related to the second module into package data according to a communication protocol;
b: the second module modulates the packed data in the step A to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the first module;
c: b, the first module receives the signal sent in the step B and then carries out secondary demodulation to obtain a secondary carrier information data packet;
d: and C, the first module unpacks the secondary carrier information data packet in the step C to obtain secondary carrier information related to the second gate module.
Further, the second module in the step B processes the packaged data in the step A through a secondary modulation circuit and then drives the packaged data and conventional service data to be transmitted through a laser through a communication channel by a modulation driving circuit;
and C, the first module receives the signal sent in the step B, demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
Further, the secondary carrier information includes device information, port information, device status information, status information of the module, and environment information.
The second carrier optical communication module is used for realizing the second carrier optical communication method and comprises a first module and a second module, wherein the first module comprises a modulation driving circuit and a laser which are electrically connected with each other, the second module comprises a detector and a demodulation circuit which are electrically connected with each other, and the detector of the second module receives signals sent by the laser of the first module;
the second modulation circuit of the first module is electrically connected with the modulation driving circuit;
the second module further comprises a secondary demodulation circuit and a processor which are electrically connected with each other, and the secondary demodulation circuit of the second module is electrically connected with the demodulation circuit.
Further, the detector of the second module is connected with the laser of the first module through an optical fiber.
Further, the processors of the first module and the second module are electrically connected with a memory, and the memory is used for storing secondary carrier information.
Further, the second module further comprises a laser, a modulation driving circuit and a secondary modulation circuit which are electrically connected in sequence, and the secondary modulation circuit of the second module is electrically connected with the processor of the second module;
the first module further comprises a detector, a demodulation circuit and a secondary demodulation circuit which are electrically connected in sequence, the secondary demodulation circuit of the first module is electrically connected with the processor of the second module, and the detector of the first module receives signals sent by the laser of the second module.
Further, the detector of the first module is connected with the laser of the second module through an optical fiber.
The beneficial effects of the invention are as follows:
the invention adopts the secondary carrier modulation based on the traditional optical module signal modulation, and transmits the secondary carrier information through the communication channel, so that the secondary carrier information such as the state information of the module can be transmitted in real time on the premise of not influencing normal communication, thereby being convenient for realizing the functions of remote monitoring, remote operation and maintenance, automatic generation of network topology and the like.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of the prior art;
in the figure, a 1-first module, a 2-second module, a 3-processor, a 4-secondary modulation circuit, a 5-modulation driving circuit, a 6-laser, a 7-detector, an 8-demodulation circuit and a 9-secondary demodulation circuit.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Embodiment one:
as shown in fig. 1 to 2, a secondary carrier optical communication method includes a communication method of a first module 1 to a second module 2, the communication method of the first module 1 to the second module 2 includes the steps of:
s1: the first module 1 packages secondary carrier information related to the first module 1 into package data according to a communication protocol;
s2: the first module 1 modulates the packed data in the step S1 to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the second module 2;
the first module in the step S2 processes the package data in the step S1 through a secondary modulation circuit and then drives the package data and conventional service data to be transmitted through a laser through a communication channel by a modulation driving circuit;
s3: the second module 2 receives the signal sent in the step S2 and then carries out secondary demodulation to obtain a secondary carrier information data packet;
and in the step S3, the second module receives the signal sent in the step S2, and then demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and then demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
S4: the second module 2 unpacks the secondary carrier information data packet in the step S3 to obtain secondary carrier information related to the first module 1.
The secondary carrier optical communication method further comprises a communication method from the second module 2 to the first module 1, and the communication method from the second module 2 to the first module 1 comprises the following steps:
a: the second module 2 packages the secondary carrier information related to the second module 2 into package data according to a communication protocol;
b: the second module 2 modulates the packed data in the step A to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the first module 1;
the second module in the step B processes the packaged data in the step A through a secondary modulation circuit and then drives the packaged data and conventional service data to be transmitted through a communication channel by a modulation driving circuit;
c: b, the first module 1 receives the signal sent in the step B and then carries out secondary demodulation to obtain a secondary carrier information data packet;
and C, the first module receives the signal sent in the step B, demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
D: the first module 1 unpacks the secondary carrier information data packet in the step C to obtain secondary carrier information related to the second gate module.
The secondary carrier information includes device information, port information, device status information, status information of the module, and environment information.
A secondary carrier optical communication module for implementing the above-mentioned secondary carrier optical communication method, which includes a first module 1 and a second module 2, where the first module 1 includes a modulation driving circuit 5 and a laser 6 electrically connected to each other, the second module 2 includes a detector 7 and a demodulation circuit 8 electrically connected to each other, and the detector 7 of the second module 2 receives a signal sent by the laser 6 of the first module 1;
the first module 1 further comprises a secondary modulation circuit 4 and a processor 3 which are electrically connected with each other, and the secondary modulation circuit 4 of the first module 1 is electrically connected with a modulation driving circuit 5;
the second module 2 further comprises a secondary demodulation circuit 9 and a processor 3 electrically connected to each other, and the secondary demodulation circuit 9 of the second module 2 is electrically connected to the demodulation circuit 8.
The detector 7 of the second module 2 is connected with the laser 6 of the first module 1 by an optical fiber.
The processors 3 of the first module 1 and the second module 2 are electrically connected with a memory, and the memory is used for storing secondary carrier information.
The second module 2 further comprises a laser 6, a modulation driving circuit 5 and a secondary modulation circuit 4 which are electrically connected in sequence, and the secondary modulation circuit 4 of the second module 2 is electrically connected with the processor 3 of the second module 2;
the first module 1 further comprises a detector 7, a demodulation circuit 8 and a secondary demodulation circuit 9 which are electrically connected in sequence, the secondary demodulation circuit 9 of the first module 1 is electrically connected with the processor 3 of the second module 2, and the detector 7 of the first module 1 receives signals sent by the laser 6 of the second module 2.
The detector 7 of the first module 1 is connected with the laser 6 of the second module 2 by an optical fiber.
When the first module 1 and the second module 2 work, related memory pages are opened up on the internal memory space (i.e. memory) of the modules at first; then, the device operating system writes device information, port information, device state information and the like into the storage space at a certain time interval, and the first module 1 and the second module 2 also write the state information of the modules into the storage space, so that secondary carrier information is written into the memory;
when the communication method from the first module 1 to the second module 2 is implemented:
the processor 3 of the first module 1 reads the information in the storage space (i.e. the secondary carrier information related to the first module 1), and packages the information according to the designated protocol standard; the processor 3 of the first module 1 then modulates the packed data obtained by the packing onto a communication channel by a secondary carrier modulation circuit, and the drive of the modulated drive circuit 5 is transmitted by the laser 6.
After the detector 7 of the second module 2 receives the signal sent by the laser 6 of the first module 1, the demodulation circuit 8 and the secondary demodulation circuit 9 of the second module 2 demodulate the signal on the communication channel into a secondary carrier information data packet and send the secondary carrier information data packet to the processor 3 of the second module 2 for further processing; the processor 3 of the second module 2 unpacks the demodulated secondary carrier information data packet, and stores the unpacked data in a specified storage space in the memory of the second module 2 according to a specified rule, and the unpacked data is read by the device.
When the communication method from the second module 2 to the first module 1 is implemented:
the processor 3 of the second module 2 reads the information in the storage space (i.e. the secondary carrier information related to the second module 2) and packs the information according to the designated protocol standard; the processor 3 of the second module 2 then modulates the packed data obtained by the packing onto a communication channel by a secondary carrier modulation circuit, and the drive of the modulated drive circuit 5 is transmitted by the laser 6.
After the detector 7 of the first module 1 receives the signal sent by the laser 6 of the first module 1, the demodulation circuit 8 and the secondary demodulation circuit 9 of the first module 1 demodulate the signal on the communication channel into a secondary carrier information data packet and send the secondary carrier information data packet to the processor 3 of the first module 1 for further processing; the processor 3 of the first module 1 unpacks the demodulated secondary carrier information data packet, stores the unpacked data in a designated storage space in the memory of the first module 1 according to a designated rule, and sends the unpacked data to the device for reading.
The secondary carrier optical communication module and the method adopt the secondary carrier modulation based on the signal modulation of the traditional optical module, and the secondary carrier information is transmitted through a communication channel, so that the secondary carrier information such as the state information of the module can be transmitted in real time on the premise of not influencing normal communication, and the functions of remote monitoring, remote operation and maintenance, automatic generation of network topology and the like are conveniently realized.
A secondary carrier optical communication module and method modulates another signal on a service communication signal, and uses a communication channel to transmit the equipment information, port information, optical module information, related state information and the like of the interconnection port. Because the independent transmission channel is adopted, the bandwidth of a normal communication channel is not occupied, and the related state information can be transmitted in real time, so that the double-modulation mixed transmission of the service signal (namely the conventional service data) and the state signal and other secondary carrier information is realized.
A secondary carrier optical communication module is a brand new optical module architecture model.
The interconnected conventional optoelectronic modules (see fig. 2) are two devices, ports and module status information that are not interconnected with each other, and the local module is not aware of any information of the interconnected modules at the opposite end, and is a black box. The two interconnected optical modules exchange state information, port information, equipment information and the like of each other in real time, namely secondary carrier information. The peer light status information, port status information, device status information, even environmental information, etc. may be known. Under the support of equipment system software, the functions of remote monitoring, remote operation and maintenance, automatic generation of network topology and the like can be realized. And related hardware information is not required to be changed, and related functions can be realized only by software upgrading.
The foregoing examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (10)
1. A secondary carrier optical communication method is characterized in that:
a method of communication comprising a first module to a second module, the method of communication comprising the steps of:
s1: the first module packages secondary carrier information related to the first module into package data according to a communication protocol;
s2: the first module modulates the packed data in the step S1 to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the second module;
s3: the second module receives the signal sent in the step S2 and then carries out secondary demodulation to obtain a secondary carrier information data packet;
s4: the second module unpacks the secondary carrier information data packet in the step S3 to obtain secondary carrier information related to the first module.
2. The secondary carrier optical communication method according to claim 1, wherein:
the first module in the step S2 processes the package data in the step S1 through a secondary modulation circuit and then drives the package data and conventional service data to be transmitted through a laser through a communication channel by a modulation driving circuit;
and in the step S3, the second module receives the signal sent in the step S2, and then demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and then demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
3. The secondary carrier optical communication method according to claim 1, wherein:
the secondary carrier optical communication method further comprises a communication method from a second module to a first module, and the communication method from the second module to the first module comprises the following steps:
a: the second module packages the secondary carrier information related to the second module into package data according to a communication protocol;
b: the second module modulates the packed data in the step A to a communication channel in a secondary carrier modulation mode and sends the communication channel and the conventional service data to the first module;
c: b, the first module receives the signal sent in the step B and then carries out secondary demodulation to obtain a secondary carrier information data packet;
d: and C, the first module unpacks the secondary carrier information data packet in the step C to obtain secondary carrier information related to the second gate module.
4. A secondary carrier optical communication method according to claim 3, characterized in that:
the second module in the step B processes the packaged data in the step A through a secondary modulation circuit and then drives the packaged data and conventional service data to be transmitted through a communication channel by a modulation driving circuit;
and C, the first module receives the signal sent in the step B, demodulates the signal for the first time through a demodulation circuit to obtain conventional service data and a secondary carrier signal, and demodulates the secondary carrier signal for the second time through a secondary demodulation circuit to obtain a secondary carrier information data packet.
5. The secondary carrier optical communication method according to claim 1, wherein:
the secondary carrier information includes device information, port information, device status information, status information of the module, and environment information.
6. A secondary carrier optical communication module for implementing the secondary carrier optical communication method of any one of claims 1 to 5, comprising a first module and a second module, wherein the first module comprises a modulation driving circuit and a laser which are electrically connected with each other, the second module comprises a detector and a demodulation circuit which are electrically connected with each other, and the detector of the second module receives a signal sent by the laser of the first module; the method is characterized in that:
the second modulation circuit of the first module is electrically connected with the modulation driving circuit;
the second module further comprises a secondary demodulation circuit and a processor which are electrically connected with each other, and the secondary demodulation circuit of the second module is electrically connected with the demodulation circuit.
7. The secondary carrier optical communication module of claim 6, wherein:
the detector of the second module is connected with the laser of the first module through an optical fiber.
8. The secondary carrier optical communication module of claim 6, wherein:
the processors of the first module and the second module are electrically connected with a memory, and the memory is used for storing secondary carrier information.
9. The secondary carrier optical communication module of claim 6, wherein:
the second module further comprises a laser, a modulation driving circuit and a secondary modulation circuit which are electrically connected in sequence, and the secondary modulation circuit of the second module is electrically connected with the processor of the second module;
the first module further comprises a detector, a demodulation circuit and a secondary demodulation circuit which are electrically connected in sequence, the secondary demodulation circuit of the first module is electrically connected with the processor of the second module, and the detector of the first module receives signals sent by the laser of the second module.
10. The secondary carrier optical communication module of claim 9, wherein:
the detector of the first module is connected with the laser of the second module through an optical fiber.
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