CN109274426A - High speed optoelectronic communication system is guided in irradiation based on string and transceiver technologies - Google Patents
High speed optoelectronic communication system is guided in irradiation based on string and transceiver technologies Download PDFInfo
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- CN109274426A CN109274426A CN201811322282.1A CN201811322282A CN109274426A CN 109274426 A CN109274426 A CN 109274426A CN 201811322282 A CN201811322282 A CN 201811322282A CN 109274426 A CN109274426 A CN 109274426A
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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
- H04B10/2589—Bidirectional transmission
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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
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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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
- H04B10/40—Transceivers
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Abstract
The present invention provides a kind of irradiations based on string and transceiver technologies to guide high speed optoelectronic communication system, it include: network signal transmission circuit, optical path modulation demodulator circuit, TLK high speed string and transmission circuit, FPGA governor circuit, optical path rotation collector ring, combining functions are rotated by the optical path that light reflection technology completes irradiation guidance unit, to guarantee illuminator while rotating, optical path keeps continuous unimpeded no data to lose.The communication link of present system, the rate of front data information transfer and processing can be substantially improved, the floor treatment ability in the case of the data volume surge of front data is substantially improved, simultaneously be greatly reduced traditional front and terrestrial communication link hardware device quantity and many and diverse degree, it installs and operates convenient for warship face, reduce production cost.Reliability and anti-interference are stronger.The limitation of front Yu terrestrial transmission distance can be broken through using light modulation demodulation and transmission device.
Description
Technical field
The present invention relates to high speed optoelectronic communication links to realize technical field, in particular to a kind of based on string and transceiver technologies
Irradiation guide high speed optoelectronic communication system.
Background technique
It is the data requirements amount that increasingly increases, gradually diversified with the continuous fusion development of war technology and high and new technology
Data type and faster signaling rate have become the main trend of following weapon technologies development.Tradition irradiation guidance unit
Turntable and ground between communication often use unit cable unicast communication mode.Using this rate lower, power attenuation compared with
Big cable communication link not only increases the scale and cost of electric collector ring manufacturing process, also significantly limits signal
Transmission range, meanwhile, many and diverse technique and large-scale cable machinery can also impact the reliability and stability of product.
Since optical communication technique can realize the high speed transmission of signals of overlength distance, vast capacity, not only there is signal decaying
Minimum, the features such as bit error rate is lower, moreover it is possible to enhance the anti-interference and reliability of communication link, and equipment scale degree of miniaturization
Height is that one kind can significantly promote multiple types interface, the synchronous communication scheme of multi-rate modes and multi signal bandwidth, but at present still
It is not applied in irradiation guidance class product, can not directly improves the effect of communication link in irradiation guidance class product.
The high speed optoelectronic communication link proposed present invention is generally directed to there is the irradiation guidance class product of above-mentioned functional requirement
Design scheme.
Summary of the invention
The purpose of the present invention is to provide a kind of irradiations based on string and transceiver technologies to guide high speed optoelectronic communication system,
Between turntable and ground to solve existing irradiation guidance class product traffic rate is low, power attenuation is big, reliability and stabilization
The poor problem of property.
To achieve the above object, the present invention provides a kind of, and the irradiation guidance high speed optoelectronic based on string and transceiver technologies is logical
Letter system, comprising: network signal transmission circuit, for receiving the electric signal for carrying out automatic network and transmission electric signal into network；
Optical path modulation demodulator circuit, for when receiving data by the received electric signal of network signal transmission circuit into
Row electro-optic conversion be optical signal and demodulate, and when sending data by optical signal to be output carry out photoelectric conversion be electric signal simultaneously
It exports to the network signal transmission circuit；
TLK high speed string and transmission circuit, for when receiving data by the string after optical path modulation demodulator circuit demodulation
Row data are sent to FPGA governor circuit after being converted to multidiameter delay low speed signal, and when sending data by multidiameter delay low speed
Signal is converted to single channel high-speed serial signals and is transmitted to the optical path modulation demodulator circuit；
FPGA governor circuit, for configure the parameter of TLK high speed string and transmission circuit, carry out signal in network across
Domain processing and speed conversion and progress clock distribution and control；
Optical path rotates collector ring, and the optical path for completing irradiation guidance unit by light reflection technology rotates combining functions,
To guarantee illuminator while rotating, optical path keeps continuous unimpeded no data to lose.
Preferably, the network signal transmission circuit includes 88E1111 network interface card and GST network transformer, the GST network
Transformer assists the 88E1111 network interface card to receive the electric signal in gigabit Ethernet network and divides received electric signal to four tunnels
Output.
Preferably, the optical path modulation demodulator circuit is USOT optical fiber receiver-transmitter module, the USOT optical fiber receiver-transmitter module is
Multimode bidirectional transmit-receive mode, electric signal interface form are LVPECL, and message transmission rate is up to 10Gbps；It sends and received
Any one in light wave a length of 850nm, 1310hm, 1490nm, 1550nm, CWDM, DWDM.
Preferably, simultaneously transmission circuit is digital transceiver TLK1501 to the TLK high speed string, for the high speed after demodulating
Serial data is converted to the LVDS signal of parallel 50Mbps, and 16 road low speed signals are converted to list with full duplex mode work
Road high-speed serial signals, while carrying out real-time 8B/10B coding, gain control and synchronised clock and establishing.
Preferably, further include bus interface circuit, for handling multichannel differential signal and state control instruction signal, and will
It is integrated into the FPGA governor circuit.
Preferably, the FPGA governor circuit also carries out the cross-domain and speed conversion of the signal in the bus interface circuit
And the modulation /demodulation of low speed serial ports instruction.
Link used by present system, can obtain it is following the utility model has the advantages that
The rate that front data information transfer and processing can significantly be promoted reaches more efficiently real-time ground monitoring
Ability.
The floor treatment ability in the case of the data volume surge of front data can be significantly promoted, is 4 fronts and more gusts
The realization in face provides easily scalability (without changing hardware, need to only increase software size).
Can be greatly lowered traditional front and terrestrial communication link hardware device quantity and many and diverse degree, convenient for warship face pacify
Dress and operation, reduce production cost.
The reliability and anti-interference of link can largely be promoted.
Limitation (the signal decaying small and bit error rate of the optical fiber in long distance transmission of front and terrestrial transmission distance can be broken through
Extremely low advantage is highlighted).
Detailed description of the invention
Fig. 1 is the system composition schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the hardware circuit entire block diagram of preferred embodiment；
Fig. 3 is 88E1111 connected mode schematic diagram；
Fig. 4 is FPGA processing software functional block diagram；
Fig. 5 is TLK1501 internal hardware functional block diagram；
Fig. 6 is optical path transceiver USOT functional block diagram；
Fig. 7 is that optical path rotates collector ring front diagram；
Fig. 8 is that optical path rotates collector ring lateral incision face diagram.
Specific embodiment
Below with reference to attached drawing of the invention, the technical scheme in the embodiment of the invention is clearly and completely described
And discussion, it is clear that as described herein is only a part of example of the invention, is not whole examples, based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, belongs to protection scope of the present invention.
For the ease of the understanding to the embodiment of the present invention, make by taking specific embodiment as an example below in conjunction with attached drawing further
It illustrates, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Refering to what is shown in Fig. 1, it is logical to present embodiments provide a kind of irradiation guidance high speed optoelectronic based on string and transceiver technologies
Letter system, comprising: network signal transmission circuit, for receiving the electric signal for carrying out automatic network and transmission electric signal into network；
Optical path modulation demodulator circuit, for when receiving data by the received electric signal of network signal transmission circuit into
Row electro-optic conversion be optical signal and demodulate, and when sending data by optical signal to be output carry out photoelectric conversion be electric signal simultaneously
It exports to the network signal transmission circuit；
TLK high speed string and transmission circuit, for when receiving data by the string after optical path modulation demodulator circuit demodulation
Row data are sent to FPGA governor circuit after being converted to multidiameter delay low speed signal, and when sending data by multidiameter delay low speed
Signal is converted to single channel high-speed serial signals and is transmitted to the optical path modulation demodulator circuit；
FPGA governor circuit, for configure the parameter of TLK high speed string and transmission circuit, carry out signal in network across
Domain processing and speed conversion and progress clock distribution and control；
Optical path rotates collector ring, and the optical path for completing irradiation guidance unit by light reflection technology rotates combining functions,
To guarantee illuminator while rotating, optical path keeps continuous unimpeded no data to lose.
Wherein, with further reference to Fig. 2, the network signal transmission circuit in the present embodiment includes 88E1111 network interface card and GST net
Network transformer, GST network transformer assist the 88E1111 network interface card to receive the electric signal in gigabit Ethernet network and will connect
The output of four tunnels of the electric signal of receipts point.Since the Electric signal processing of large-scale data amount in the system link is from gigabit Ethernet
Network, therefore be aided with the circuits such as GST network transformer using the 88E1111 network interface card of MARVELL company production as core here and carry out net
The transmitting-receiving of network signal.88E1111 is that flank speed reaches the adaptive PHY protocol layer network chip of gigabit, it can be achieved that standard
The communication of IEEE802.3u physical layer protocol, and 4 road parallel outputs of signal point will be received, believe compared with low rate convenient for subsequent FPGA
Number processing, can work in real time full duplex state, realize the connection of cable straight cutting.Network data transmitting portion can be by 4 road low speed simultaneously
Row data are converted to gigabit high-speed serial data by computer network with standard network protocol and are sent to ground control system and integrated electronics meter
Calculation machine realizes the connection of cable straight cutting.The circuit is configured by communications status of the exterior arrangement circuit to network, is mainly passed through
7 pins such as CONFIGO~CONFIG6 carry out the link requirements such as full duplex, rate adaptation and are configured, and connection type is as schemed
Shown in 3.
Optical path modulation demodulator circuit in the present embodiment is received by optical fiber, sending module (optical path modulation demodulator) is realized
Front end receiver and final output to high-speed optical signal are USOT optical fiber receiver-transmitter module, with reference to Fig. 2, specifically use USOT light here
Fine transceiver module realizes the electro-optic conversion and photoelectric conversion of data.The USOT optical module transmitting-receiving mode two-way using multimode, light
Fine interface form is customizable, and electric signal interface form is LVPECL, and message transmission rate reaches as high as 10Gbps.The hair of optical module
Optical wavelength is sent and received according to transmission environment and requires optional 850nm, 1310nm, 1490nm, 1550nm, CWDM, DWDM etc., from
And realize two-way photoelectricity and electro-optic conversion communication that full duplex is isolated entirely, facilitate the simplified Function Extension with system of design.
Above-mentioned TLK high speed string and transmission circuit is gone here and there as high speed and transceiver module is the design basis of this link.With reference to
The digital transceiver TLK1501 of TI company is employed herein as core in Fig. 2, and TLK1501 is high speed serial/parallel converter, realizes
Converting high-speed serial after optical path is demodulated is changed to parallel low speed chain circuit (50Mbps) LVDS signal and send to FPGA, and with complete
16 road low speed signals are converted to single channel high-speed serial signals to be transmitted to above-mentioned optical fiber receiver-transmitter module, together by duplex operation
The functions such as the real-time 8B/10B coding of Shi Jinhang, gain control and synchronised clock foundation, greatly improve the stability of the link
And message transmission rate.
In addition, the system further includes bus interface circuit, for handling multichannel differential signal and state control instruction signal,
And it is integrated into the FPGA governor circuit.
And FPGA governor circuit also carries out the cross-domain and speed conversion of the signal in bus interface circuit and low speed serial ports refers to
The functions such as the modulation /demodulation of order.
The system is to can satisfy ultra-long transmission distance, super large data capacity and the irradiation of high-speed communication requirement guidance class to lead to
Believe link, specific working mode is as follows:
The first step realizes the transmitting-receiving of network signal:
Antenna rotating platform receives level state signal and timing from timing control component by the driving of 422 differential electrical horizontal lines
Clock signal etc., output digit signals are to FPGA after interface chip is handled.
The above process is realized that signaling interface type is LVTTL by AM26LV32 family chip.
After all round computer real-time perfoming antenna array information collection simultaneously, the data of acquisition are passed through into gigabit Ethernet network
FPGA is sent to after the processing of PHY network interface card.
The above process is by 4 road 88E1111 series network interface cards and the joint realization of GST5009 isolator, chip voltage 2.5V.
Second step carries out fpga logic and control is handled:
The front data received, clock serial data and state level signal are packaged into multidiameter delay in inside by FPGA
Data, through framing, the data processings such as synchronize after send to high speed string and transceiver.
The above process is by Spartan6 LT series large scale integrated circuit and the joint realization of XCF32 series memory, core
Voltage is 1.2V.
Specifically, network signal, 422 signals and rs 232 serial interface signal are different rates and completely asynchronous data type, connect
The treatment process of receipts is essentially identical, by taking network signal as an example: the network data (low speed after being received and processed by external network card chip
Parallel), speed conversion is carried out after synchronized processing, to provide data basis with the data-signal framing of other rates.It is processed
Journey is as shown in Figure 4.
Third step, the signal processing for carrying out high speed string and receiving and dispatching:
Simultaneously transceiver is encoded the parallel 50M data information in 16 tunnels by 8b/10b by the configuration information of FPGA high speed string
After be converted into 1 road 1G high-speed serial signals and send to photoelectric converter.
The above process is by TLK1501 series of high speed string and transceiver realization, core voltage 2.5V.It goes here and there and receives and dispatches at a high speed
Signal processing is using the digital transceiver TLK1501 of TI company as core.TLK1501 is high speed (1.65Gbps) serial/parallel converter,
Realize that the converting high-speed serial after demodulating optical path is changed to parallel low speed chain circuit (50Mbps) LVDS signal and send to FPGA, and
16 road low speed signals are converted into single channel high-speed serial signals with full duplex mode work and are transmitted to optical fiber receiver-transmitter module, while is real
The now functions such as real-time 8B/10B coding, gain control and synchronised clock foundation, greatly improve the stability sum number of the link
According to transmission rate.The internal structure of TLK1501 is as shown in Figure 4.TLK1501 mainly includes 3 modules: parallel serial conversion module, string
And conversion module and clock processing module.For parallel serial conversion module, which supports 16 parallel interfaces, when parallel data
Clock highest 75M.The module includes 8B/10B encoder in a piece, and 16 bit parallel datas are divided into two 8 data and are compiled
Yard, the data after coding are 20, then are sent by parallel-serial conversion, and the rate of serial data is up to 1.5Gbps.It goes here and there and turns
It changes, is opposite process.Reference clock frequency needed for TLK1501 is identical with the frequency of parallel data, in this clock process
After portion's frequency multiplication of phase locked loop, parallel data is sent and recovers clock and data from receiving end, principle is as shown in Figure 5.
4th step carries out the timing synchronization of TLK1501, since the work clock of two chips is provided by different crystal oscillators,
Therefore, it requires to synchronize operation before normally transmission data.In general, TLK1501 is by detecting K28.5
IDLE code synchronizes.According to 8B/10B coding rule, for K28.5 there are two types of pattern, one kind is the 0011111010 (pole RD-
Property), another kind is 1100000101 (RD+ polarity).TLK1501 only identifies RD- polar code when synchronous, RD+ is considered as invalid same
Code is walked, according to rule, the complete synchronization code of 16 interfaces should be K28.5+D16.2, according to 8B/10B coding requirement, one
In data frame, the polarity of all bytes and 0 should be.In this way when sending synchronous code, if a upper data are RD- polarity,
With regard to RD+ polarity, i.e., 1100000101 after K28.5 coding, but TLK1501 nonrecognition this K28.5 synchronous code.In order to obtain
The data that should be 0 with a polarity after the K28.5 of the K28.5 of RD-, RD+ are exactly 5.6, i.e., 1010010110 that RD is 0.In this way
The RD of K28.5+D5.6 is just RD+, then next K28.5 just should be RD-, available along with the D16.2 of a RD+
The RD of K28.5+D16.2 is that 0, TLK1501 just sends always K28.5+D16.2, until synchronization.Operational commanding is based in the invention
Demand and optical fibre channel function optimization, come modularization design and command signal using FPGA, for controlling the TX_EN of TLK1501
Forced synchronism code is sent with TX_ER pin.In addition, under the transceiver mode of TLK1501, when receiving end receives wrong data simultaneously
When into synchronization acquistion mode, the state machine of chip interior can also automatically control transmitting terminal and send synchronous code.
Step 5: carrying out the reception of optical fiber, sending module (optical path modulation demodulator), the front end to high-speed optical signal is realized
Reception and final output: high speed serialization 1G electric signal becomes optical signal after passing through photoelectric converter modulation treatment, send to light and rotates
Collector ring.
The above process realizes that a length of 850nm of light wave, fiber type is multimode fibre by USOT series photoelectric converter, electricity
Interface form is LVPECL, sends power and is not less than -6dBm.Optical module can realize the two-way photoelectricity and electric light that full duplex is isolated entirely
Conversion communication, facilitates the simplified Function Extension with system of design, and principle is detailed in attached drawing 6.
Step 6: carrying out optical path rotary transfer, collector ring is rotated by passive device HLZ-15D92X12Z2S light to realize:
Collector ring is rotated by passive device HLZ-15D92X12Z2S light to realize.Light rotates collector ring maximum speed up to 2000rpm,
Shaft coupling drives turntable rotation, to realize optical signals rotating part with the rotation of front system rotating part when work
It is transferred to stationary part or is transferred to the function of rotating part, the contour structures of the passive block such as Fig. 7 and Fig. 8 by stationary part
It is shown.
After optical path signal is delivered to ground control station by the biography of rotation collector ring, ground passes through optical path signal above-mentioned same
After money USOT photoelectric converter carries out optical path demodulation, the high speed serialization electric signal of 1G rate is exported.
Step 7: send TLK series string and transceiver to ground to handle the high speed serialization electric signal of 1G, output 16
Road 50M parallel data signal is to ground FPGA.
Step 8: the electric signal after serioparallel exchange requires solution to undertake in FPGA according to channel protocol, and according to difference
Rate, signal type and Frame Protocol etc. complete signal processing conversion after send to weapon control system and servo-system, thus complete
At the ground monitoring process of entire front data.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art in the technical scope disclosed by the present invention, to deformation or replacement that the present invention is done, should be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the scope of protection of the claims.
Claims (6)
1. high speed optoelectronic communication system is guided in a kind of irradiation based on string and transceiver technologies characterized by comprising network letter
Number transmission circuit carrys out the electric signal of automatic network and sends electric signal into network for receiving；Optical path modulation demodulator circuit, is used for
The received electric signal of the network signal transmission circuit electro-optic conversion is carried out when receiving data to be optical signal and demodulate, and
Optical signal to be output photoelectric conversion is carried out when sending data to be electric signal and export to the network signal transmission circuit；
TLK high speed string and transmission circuit, for when receiving data by the serial number after optical path modulation demodulator circuit demodulation
According to being sent to FPGA governor circuit after being converted to multidiameter delay low speed signal, and when sending data by multidiameter delay low speed signal
It is converted to single channel high-speed serial signals and is transmitted to the optical path modulation demodulator circuit；
FPGA governor circuit, for configuring the parameter of the TLK high speed string and transmission circuit, carrying out the cross-domain place of signal in network
Reason and speed conversion and progress clock distribution and control；
Optical path rotates collector ring, and the optical path for completing irradiation guidance unit by light reflection technology rotates combining functions, to protect
While rotating, optical path keeps continuous unimpeded no data to lose to license emitter.
2. high speed optoelectronic communication system, feature are guided in the irradiation according to claim 1 based on string and transceiver technologies
It is, the network signal transmission circuit includes 88E1111 network interface card and GST network transformer, the GST network transformer auxiliary
The 88E1111 network interface card receives the electric signal in gigabit Ethernet network and exports four tunnels of received electric signal point.
3. high speed optoelectronic communication system, feature are guided in the irradiation according to claim 1 based on string and transceiver technologies
It is, the optical path modulation demodulator circuit is USOT optical fiber receiver-transmitter module, and the USOT optical fiber receiver-transmitter module is the two-way receipts of multimode
Originating party formula, electric signal interface form are LVPECL, and message transmission rate is up to 10Gbps；It sends and received light wave is a length of
Any one in 850nm, 1310nm, 1490nm, 1550nm, CWDM, DWDM.
4. high speed optoelectronic communication system, feature are guided in the irradiation according to claim 1 based on string and transceiver technologies
It is, simultaneously transmission circuit is digital transceiver TLK1501 to the TLK high speed string, for the converting high-speed serial after demodulating
It is changed to the LVDS signal of parallel 50Mbps, and 16 road low speed signals are converted to by single channel high speed serialization with full duplex mode work
Signal, while carrying out real-time 8B/10B coding, gain control and synchronised clock and establishing.
5. high speed optoelectronic communication system, feature are guided in the irradiation according to claim 1 based on string and transceiver technologies
It is, further includes bus interface circuit, for handling multichannel differential signal and state control instruction signal, and is integrated into institute
State FPGA governor circuit.
6. high speed optoelectronic communication system, feature are guided in the irradiation according to claim 5 based on string and transceiver technologies
It is, the FPGA governor circuit also carries out cross-domain and speed conversion and the low speed serial ports of the signal in the bus interface circuit
The modulation /demodulation of instruction.
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| CN111949575B (en) * | 2020-07-02 | 2023-08-18 | 上海机电工程研究所 | Real-time control quantity generation and ultra-long line transmission system and method based on Linux |
| CN113885461A (en) * | 2021-10-22 | 2022-01-04 | 北京和利时系统工程有限公司 | Serial-parallel conversion module, device, method, device and industrial control system |
| CN113885461B (en) * | 2021-10-22 | 2024-03-01 | 北京和利时系统工程有限公司 | Serial-parallel conversion module, equipment, method, device and industrial control system |
| CN115622835A (en) * | 2022-10-27 | 2023-01-17 | 北京旋极信息技术股份有限公司 | Transmission conversion device and receiving conversion device |
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Application publication date: 20190125 |