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CN109471821A - A Universal Data Link System Based on Hybrid VPX Bus Architecture - Google Patents

A Universal Data Link System Based on Hybrid VPX Bus Architecture Download PDF

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Publication number
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
data
decryption
data processing
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CN109471821B (en
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王静雨
叶洲
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Space Star Technology Co Ltd
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Space Star Technology Co Ltd
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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明公开了一种基于混合VPX总线架构的通用数据链系统，包括数据处理模块、射频前端模块、接口电源模块、加解密模块和总线母板，数据处理模块、射频前端模块、接口电源模块和加解密模块采用混合VPX总线架构，依靠总线母板实现数据总线的互联互通。所述的系统通过采用混合VPX总线架构、软件无线电思想和动态加载技术，实现了数据链产品接口统一的目的，有利于产品实现通用化、模块化和标准化。

The invention discloses a general data link system based on a hybrid VPX bus architecture, comprising a data processing module, a radio frequency front-end module, an interface power supply module, an encryption and decryption module and a bus motherboard, a data processing module, a radio frequency front-end module, an interface power supply module and a The encryption and decryption module adopts the hybrid VPX bus architecture, and relies on the bus motherboard to realize the interconnection of the data bus. By adopting the hybrid VPX bus architecture, software radio idea and dynamic loading technology, the system achieves the purpose of unifying the interface of data link products, which is beneficial to the realization of generalization, modularization and standardization of products.

Description

A kind of general data catenary system based on mixing VPX bus architecture
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)

1.一种基于混合VPX总线架构的通用数据链系统，其特征在于：包括射频前端模块、数据处理模块、接口电源模块、加解密模块，射频前端模块、数据处理模块、接口电源模块、加解密模块之间通信采用VPX总线架构，依靠总线母板实现数据总线的互联互通，其中：1. a general data link system based on hybrid VPX bus architecture, is characterized in that: comprise radio frequency front-end module, data processing module, interface power supply module, encryption and decryption module, radio frequency front-end module, data processing module, interface power supply module, encryption and decryption The communication between modules adopts the VPX bus architecture, relying on the bus motherboard to realize the interconnection and intercommunication of the data bus, among which: 射频前端模块，根据频点设置指令，设置前向信道和反向信道本振频率，接收外部输入的前向射频信号，采用前向信道本振将前向射频信号下变频为前向中频信号，发送至数据处理模块；采用返向信道本振将返向中频信号上变频为返向射频信号；发送遥测信息至接口电源模块；The RF front-end module, according to the frequency point setting command, sets the local oscillator frequencies of the forward channel and the reverse channel, receives the forward RF signal input from the outside, and uses the forward channel local oscillator to down-convert the forward RF signal to a forward intermediate frequency signal. Send to the data processing module; use the return channel local oscillator to up-convert the return IF signal into a return RF signal; send the telemetry information to the interface power module; 数据处理模块，接收通信体制动态加载指令，设置通信体制，将前向中频信号进行解调，得到前向调制数据，将前向调制数据发送给加解密模块；对返向数据进行调制，生成返向射频信号发送；发送遥测信息至接口电源模块；The data processing module receives the dynamic loading command of the communication system, sets the communication system, demodulates the forward intermediate frequency signal, obtains the forward modulation data, and sends the forward modulation data to the encryption and decryption module; modulates the return data to generate the return data. Send to RF signal; send telemetry information to interface power module; 加解密模块，依据加解密指令，对前向调制数据进行解密，解密后的前向调制数据发送给接口电源模块；对返向数据进行加密，将加密后的返向数据发送给数据处理模块；发送遥测信息至接口电源模块；The encryption and decryption module decrypts the forward modulation data according to the encryption and decryption instructions, and sends the decrypted forward modulation data to the interface power supply module; encrypts the return data, and sends the encrypted return data to the data processing module; Send telemetry information to the interface power module; 接口电源模块，为射频前端模块、数据处理模块、加解密模块和加解密模块供电；接收外部输入的控制指令，解析后，转发至相应的数据处理模块、射频前端模块或者加解密模块；所述控制指令包括频点设置指令、通信体制动态加载指令、加解密指令；接收外部输入的返向数据，将其发送给加解密模块；采集数据处理模块、射频前端模块和加解密模块的遥测信息，并将其发送出去。The interface power supply module supplies power to the RF front-end module, data processing module, encryption/decryption module and encryption/decryption module; receives control commands input from the outside, parses them, and forwards them to the corresponding data processing module, RF front-end module or encryption/decryption module; the Control instructions include frequency point setting instructions, communication system dynamic loading instructions, encryption and decryption instructions; receive externally input return data and send it to the encryption and decryption module; collect telemetry information of the data processing module, the radio frequency front-end module and the encryption and decryption module, and send it out. 2.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所述射频前端模块与数据处理模块、数据处理模块与加解密模块之间通过Rapid IO总线互联。2. a kind of general data link system based on hybrid VPX bus architecture according to claim 1, is characterized in that: between described radio frequency front-end module and data processing module, data processing module and encryption and decryption module by Rapid IO bus interconnection . 3.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所述接口电源模块与射频前端模块、数据处理模块、加解密模块之间的频点设置指令、通信体制动态加载指令、加解密指令通过CAN总线互联。3. a kind of general data link system based on hybrid VPX bus architecture according to claim 1, is characterized in that: the frequency point setting instruction between described interface power supply module and radio frequency front-end module, data processing module, encryption and decryption module , The communication system dynamically loads the instructions, and the encryption and decryption instructions are interconnected through the CAN bus. 4.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所述接口电源模块与射频前端模块、数据处理模块、加解密模块之间的遥测数据通过I2C总线互联。4. a kind of general data link system based on hybrid VPX bus architecture according to claim 1, is characterized in that: the telemetry data between described interface power module and radio frequency front-end module, data processing module, encryption and decryption module pass through I2C bus interconnection. 5.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所支持的通信体制包括天链卫星体制、北斗短报文体制、S移动通信卫星体制、战训遥测体制。5. a kind of general data link system based on hybrid VPX bus architecture according to claim 1, is characterized in that: the communication system supported comprises Skylink satellite system, Beidou short message system, S mobile communication satellite system, battle system. training telemetry system. 6.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所述数据处理模块、射频前端模块、接口电源模块和加解密模块均通过VPX架构的接插件布置在总线母板上。6. a kind of general data link system based on hybrid VPX bus architecture according to claim 1, is characterized in that: described data processing module, radio frequency front-end module, interface power module and encryption and decryption module all pass the connector of VPX architecture Arranged on the bus motherboard. 7.根据权利要求6所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：射频前端模块的射频连接器布置在总线母板上。7 . The universal data link system based on the hybrid VPX bus architecture according to claim 6 , wherein the radio frequency connector of the radio frequency front-end module is arranged on the bus motherboard. 8 . 8.根据权利要求1所述的一种基于混合VPX总线架构的通用数据链系统，其特征在于：所述外部输入的前向射频信号为相互独立的N路，N大于等于1。8 . The universal data link system based on a hybrid VPX bus architecture according to claim 1 , wherein the externally input forward radio frequency signals are mutually independent N channels, and N is greater than or equal to 1. 9 .
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