CN109471821A - A kind of general data catenary system based on mixing VPX bus architecture - Google Patents
A kind of general data catenary system based on mixing VPX bus architecture Download PDFInfo
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- CN109471821A CN109471821A CN201811158742.1A CN201811158742A CN109471821A CN 109471821 A CN109471821 A CN 109471821A CN 201811158742 A CN201811158742 A CN 201811158742A CN 109471821 A CN109471821 A CN 109471821A
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- module
- encryption
- decryption
- data
- data processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
Abstract
The invention discloses a kind of general data catenary systems based on mixing VPX bus architecture, including data processing module, RF front-end module, interface power module, encryption/decryption module and bus mother board, data processing module, RF front-end module, interface power module and encryption/decryption module realize interconnecting for data/address bus using mixing VPX bus architecture, by bus mother board.The system realizes the unified purpose of data-link product interface by using mixing VPX bus architecture, software radio thought and Dynamic loading technique, is conducive to product and realizes generalization, modularization and standardization.
Description
Technical field
The present invention relates to a kind of general data catenary systems based on mixing VPX bus architecture, belong to electronic technology field.
Background technique
Data-link, which is that one kind is automatic in real time between sensor, Combat Command System, weapon platform, combat troop, to carry out at information
Reason, exchange and the communication link distributed, it utilizes modulation /demodulation, error correction according to the communication protocol and standard message format of regulation
The technologies such as coding, group-net communication and information fusion, realize spaceborne, airborne, missile-borne, the carrier-borne information between continental rise data system
Exchange, to play fighting efficiency to greatest extent.
The current situation of " funnel-shaped " is presented in domestic data chain, hinders the development of Weapons Data chain.Specifically, using
In every a kind of data-link product of services and arms be all by the incompatible product of multiple manufacturer's stand-alone developments, since interface is different
It causes, standard disunity, not can guarantee their mutual and interoperabilities between other systems, cause Operational Effectiveness Rat low
Under.
Summary of the invention
Technology of the invention solves the problems, such as: overcoming supplying for the prior art, provides a kind of based on the mixing total coil holder of VPX
The general data catenary system of structure.The system is real by using mixing VPX bus architecture, software radio thought and dynamically load
The unified purpose of data-link product interface is showed, has been conducive to product and realizes generalization, modularization and standardization.
The technical solution of the invention is as follows: a kind of general data catenary system based on mixing VPX bus architecture, the system
Including RF front-end module, data processing module, interface power module, encryption/decryption module, RF front-end module, data processing mould
Block, interface power module, communication uses VPX bus architecture between encryption/decryption module, realizes data/address bus by bus mother board
It interconnects, in which:
RF front-end module is instructed according to frequency point setting, and forward channel and backward channel local frequency is arranged, and is received external
The forward direction radiofrequency signal of input, using forward channel local oscillator by it is preceding to radiofrequency signal down-convert to before to intermediate-freuqncy signal, be sent to
Data processing module；Back intermediate-freuqncy signal is up-converted to by back radiofrequency signal using back channel local oscillator；Send telemetry intelligence (TELINT)
To interface power module；
Data processing module receives the instruction of communication system dynamically load, communication system is arranged, and carries out preceding to intermediate-freuqncy signal
Demodulation is sent to encryption/decryption module to modulation data for preceding to modulation data before obtaining；Back data are modulated, are generated
Back radiofrequency signal is sent；Telemetry intelligence (TELINT) is sent to interface power module；
Encryption/decryption module is instructed according to encryption and decryption, is decrypted to preceding to modulation data, the forward direction modulation data after decryption
It is sent to interface power module；Back data are encrypted, encrypted back data are sent to data processing module；Hair
Send telemetry intelligence (TELINT) to interface power module；
Interface power module is RF front-end module, data processing module, encryption/decryption module and encryption/decryption module power supply；
Externally input control instruction is received, after parsing, is forwarded to corresponding data processing module, RF front-end module or encryption and decryption
Module；The control instruction includes frequency point setting instruction, the instruction of communication system dynamically load, encryption and decryption instruction；It receives external defeated
The back data entered, send it to encryption/decryption module；Acquire data processing module, RF front-end module and encryption/decryption module
Telemetry intelligence (TELINT), and transmit it out.
Pass through Rapid between the RF front-end module and data processing module, data processing module and encryption/decryption module
IO bus bar.
The interface power module and RF front-end module, data processing module, the frequency point setting between encryption/decryption module
Instruction, the instruction of communication system dynamically load, encryption and decryption instruction are interconnected by CAN bus.
The interface power module and RF front-end module, data processing module, the telemetry between encryption/decryption module
Pass through I2C bus bar.
The communication system supported includes day chain satellite system, Big Dipper short message system, S moving communication satellite system, war
Instruct telemetering system.
The data processing module, RF front-end module, interface power module and encryption/decryption module pass through VPX framework
Connector be arranged on bus mother board.
The radio frequency connector of RF front-end module is arranged on bus mother board.
The externally input forward direction radiofrequency signal is the mutually independent road N, and N is more than or equal to 1.
Compared with the prior art, the invention has the advantages that:
(1), the present invention realizes the unification of data-link product interface using modularized design and mixing VPX bus architecture
Purpose is conducive to product and realizes generalization, modularization and standardization；
(2), the present invention uses Rapid IO bus transfer, for realizing the transmission of high number；
(3), the frequency point of radio-frequency front-end of the present invention and communication system are all made of the mode of dynamically load, versatility and flexibility
By force.
(4), the radio frequency connector of each module of the present invention and the connector of VPX framework are arranged on bus mother board, this
Structure type breaches limitation of the module top surface small space to connector quantity, and it is possible to avoid cable length tolerance
Constructive interference problem simplifies Standard dress connection technological procedure.
(5), the radio frequency connector of each module of the present invention is drawn from mother matrix, compares the general bend cutting of common radio frequency connector
To save space in printed board, then aperture is needed to be avoided in structure design, for the situation that Electro Magnetic Compatibility is not good enough, knot
Component is not necessarily to aperture, and Electro Magnetic Compatibility is good.
Detailed description of the invention
Fig. 1 is the system block diagram that the embodiment of the present invention is realized.
Fig. 2 is functional module three-dimensional figure of the embodiment of the present invention with mixing VPX interface.
Fig. 3 is the top view of common VPX functional module interface of the embodiment of the present invention with radio frequency connector, and view direction is
Parallel radio frequency connector is axially downwardly.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in detail.
Data link system based on VPX standard has powerful data-handling capacity, I/O ability and high performance network exchange
Ability, highest theoretical bandwidth reach 8GB/s, and have good versatility and scalability, are national defence of new generation, space flight
Development trend and direction with military integrated information processing platform system.
As shown in Fig. 1, the present invention provides a kind of general data catenary system based on mixing VPX bus architecture, this is
System is made of data processing module, RF front-end module, interface power module, encryption/decryption module and bus mother board.Wherein:
RF front-end module is instructed according to frequency point setting, and forward channel and backward channel local frequency is arranged, and is received external
The forward direction radiofrequency signal of input, using forward channel local oscillator by it is preceding to radiofrequency signal down-convert to before to intermediate-freuqncy signal, be sent to
Data processing module；Back intermediate-freuqncy signal is up-converted to by back radiofrequency signal using back channel local oscillator；Send telemetry intelligence (TELINT)
To interface power module.
Data processing module receives the instruction of communication system dynamically load, communication system is arranged, and carries out preceding to intermediate-freuqncy signal
Demodulation is sent to encryption/decryption module to modulation data for preceding to modulation data before obtaining；Back data are modulated, are generated
Back radiofrequency signal is sent；Telemetry intelligence (TELINT) is sent to interface power module.The module uses software radio thought, passes through dynamic
Loading method realizes the switching at runtime function of communication system, and the communication system supported includes but is not limited to: day chain satellite system,
Big Dipper short message system, S moving communication satellite system, war instruction telemetering system and customized system.
Encryption/decryption module is instructed according to encryption and decryption, is decrypted to preceding to modulation data, the forward direction modulation data after decryption
It is sent to interface power module, back data are encrypted, encrypted back data are sent to data processing module, is sent out
Send telemetry intelligence (TELINT) to interface power module.
Externally input+28V primary power source is converted to+5V and+3.3V secondary power supply by interface power module, is radio frequency
Front-end module, data processing module, encryption/decryption module and encryption/decryption module power supply；Externally input control instruction is received, is parsed
Afterwards, corresponding data processing module, RF front-end module or encryption/decryption module are forwarded to by CAN bus；The control refers to
Enable includes frequency point setting instruction, the instruction of communication system dynamically load, encryption and decryption instruction；Externally input back data are received, it will
It is sent to encryption/decryption module；The distant of data processing module, RF front-end module and encryption/decryption module is acquired by I2C bus
Measurement information, and transmit it out.The module is also equipped with the conventional bus lines such as 1553B interface, LVDS interface and RS422 interface and connects
Mouthful.
RF front-end module, data processing module, interface power module, communication uses VPX bus between encryption/decryption module
Framework realizes interconnecting for data/address bus by bus mother board.As shown in Fig. 2, the data processing module, radio-frequency front-end mould
The connector that block, interface power module and encryption/decryption module pass through VPX framework is arranged on bus mother board, and radio-frequency front-end mould
The radio frequency connector of block is arranged on bus mother board.Fig. 3 be traditional non-mixed VPX bus architecture module, radiofrequency signal from
Module top is walked out, and VPX module thickness is limited, can only select the radio frequency connector of bend cutting, and structure then needs the radio frequency to bend cutting
Connector avoids aperture.Electro Magnetic Compatibility is generally promoted using the sealed baffle structure of dash area in figure, but is set in this way
The module of meter still remains larger gap, and Electro Magnetic Compatibility is not good enough.Each module of the present invention using mixing VPX bus architecture, shell
Body structure is integrated, and only has interface connection between bus mother board, and without any gap, Electro Magnetic Compatibility is fine.
As shown in Figure 1, a specific embodiment of the invention supports four Lu Qianxiang rf signal receptions and four road back signals
Emission function, specific data flow are as follows:
Tetra- interfaces of RFin1, RFin2, RFin3 and RFin4 of RF front-end module are an externally input interface, for realizing
The input of four Lu Qianxiang radiofrequency signals；The externally input forward direction radiofrequency signal is mutually indepedent, and N is more than or equal to 1.
IFout1, IFout2, IFout3 and IFout4 of RF front-end module, successively with the IFin1 of data processing module,
IFin2, IFin3 are connected with IFin4, transmit for four tunnel intermediate-freuqncy signals；Present invention intermediate-freuqncy signal centre frequency generated
140MHz, power are -10dBm ± 2dB.
Tetra- interfaces of RFout1, RFout2, RFout3 and RFout4 of data processing module are external output interface, are used for
Realize that four road back radiofrequency signals export.
Pass through Rapid between the RF front-end module and data processing module, data processing module and encryption/decryption module
IO bus bar, for realizing high speed data transfer.
In addition, interface power module receives externally input back data by 1553B bus, passed through Rapid
IO bus is sent to encryption/decryption module, is equally used for realizing the high number transmission of data.
CAN bus bar between data processing module, RF front-end module, interface power module and encryption/decryption module,
And interface power module is main module, to data processing module, RF front-end module and adds solution for realizing interface power module
The instruction control function of close module.That is: the described interface power module and RF front-end module, data processing module, encryption and decryption mould
Frequency point setting instruction, the instruction of communication system dynamically load, encryption and decryption instruction between block are interconnected by CAN bus.
I2C bus bar between data processing module, RF front-end module, interface power module and encryption/decryption module,
And interface power module is main module, to data processing module, RF front-end module and adds solution for realizing interface power module
The telemetry intelligence (TELINT) of close module acquires function.That is: the described interface power module and RF front-end module, data processing module plus solution
Telemetry between close module passes through I2C bus bar.
The present invention, which is not described in detail, partly belongs to common sense well known to those skilled in the art.
Claims (8)
1. a kind of general data catenary system based on mixing VPX bus architecture, it is characterised in that: including RF front-end module, number
According to processing module, interface power module, encryption/decryption module, RF front-end module, interface power module, adds data processing module
Communication uses VPX bus architecture between deciphering module, realizes interconnecting for data/address bus by bus mother board, in which:
RF front-end module is instructed according to frequency point setting, and forward channel and backward channel local frequency is arranged, and receives external input
Forward direction radiofrequency signal, using forward channel local oscillator by it is preceding to radiofrequency signal down-convert to before to intermediate-freuqncy signal, be sent to data
Processing module；Back intermediate-freuqncy signal is up-converted to by back radiofrequency signal using back channel local oscillator；Telemetry intelligence (TELINT) is sent to connecing
Mouth power module；
Data processing module receives the instruction of communication system dynamically load, communication system is arranged, solves preceding to intermediate-freuqncy signal
It adjusts, to modulation data before obtaining, is sent to encryption/decryption module to modulation data for preceding；Back data are modulated, generation is returned
It is sent to radiofrequency signal；Telemetry intelligence (TELINT) is sent to interface power module；
Encryption/decryption module is instructed according to encryption and decryption, is decrypted to preceding to modulation data, and the forward direction modulation data after decryption is sent
Give interface power module；Back data are encrypted, encrypted back data are sent to data processing module；It sends distant
Measurement information is to interface power module；
Interface power module is RF front-end module, data processing module, encryption/decryption module and encryption/decryption module power supply；It receives
Externally input control instruction after parsing, is forwarded to corresponding data processing module, RF front-end module or encryption and decryption mould
Block；The control instruction includes frequency point setting instruction, the instruction of communication system dynamically load, encryption and decryption instruction；Receive external input
Back data, send it to encryption/decryption module；Acquire the distant of data processing module, RF front-end module and encryption/decryption module
Measurement information, and transmit it out.
2. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
It is mutual by Rapid IO bus between the RF front-end module and data processing module, data processing module and encryption/decryption module
Connection.
3. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
The interface power module is instructed with the frequency point setting between RF front-end module, data processing module, encryption/decryption module, is communicated
The instruction of system dynamically load, encryption and decryption instruction are interconnected by CAN bus.
4. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
The interface power module and RF front-end module, data processing module, the telemetry between encryption/decryption module are total by I2C
Line interconnection.
5. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
The communication system supported includes day chain satellite system, Big Dipper short message system, S moving communication satellite system, war instruction telemetering body
System.
6. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
The data processing module, RF front-end module, interface power module and encryption/decryption module pass through the connector cloth of VPX framework
It sets on bus mother board.
7. a kind of general data catenary system based on mixing VPX bus architecture according to claim 6, it is characterised in that:
The radio frequency connector of RF front-end module is arranged on bus mother board.
8. a kind of general data catenary system based on mixing VPX bus architecture according to claim 1, it is characterised in that:
The externally input forward direction radiofrequency signal is the mutually independent road N, and N is more than or equal to 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811158742.1A CN109471821B (en) | 2018-09-30 | 2018-09-30 | Universal data link system based on mixed VPX bus architecture |
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| CN201811158742.1A CN109471821B (en) | 2018-09-30 | 2018-09-30 | Universal data link system based on mixed VPX bus architecture |
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| CN109471821A true CN109471821A (en) | 2019-03-15 |
| CN109471821B CN109471821B (en) | 2021-10-01 |
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