CN106559128B - Integrated communication device and method for microsatellite - Google Patents
Integrated communication device and method for microsatellite Download PDFInfo
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- CN106559128B CN106559128B CN201610898434.7A CN201610898434A CN106559128B CN 106559128 B CN106559128 B CN 106559128B CN 201610898434 A CN201610898434 A CN 201610898434A CN 106559128 B CN106559128 B CN 106559128B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Radio Relay Systems (AREA)
Abstract
The present invention provides a kind of integrated communication device and method for microsatellite, which includes: highly integrated digital baseband, and insertion receives and transmitting digital processing algorithm, and is responsible for communicating to connect with the integrated electronics cabin of microsatellite；S frequency range radio-frequency channel is established by S band antenna and earth station and is communicated to connect；And X frequency range radio-frequency channel, it is established and is communicated to connect by X band antenna and earth station, S frequency range and X frequency range radio-frequency channel, which are used to send to the earth station, merges and extracts the communication data sent in the integrated electronics cabin of processing through the highly integrated digital baseband, is also used to receive the control signal that the earth station sends and then is sent to the integrated electronics cabin after carrying out demodulation coding processing by the highly integrated digital baseband.The present invention can realize data interaction with ground S frequency range TT&C system and X frequency range fortune control system simultaneously, solve the problems, such as that satellite borne equipment is bulky, development cost is high, reduce microsatellite O&M, in-orbit cost of use.
Description
Technical field
The present invention relates to satellite communication fields, more particularly to a kind of integrated communication device for microsatellite and side
Method.
Background technique
Microsatellite has the characteristics that small in size, at low cost, performance is high, in conventional satellite system: observing and controlling, number pass spaceborne logical
Believe that equipment, ground O&M are mutually independent, so that existing satellite borne equipment is difficult to meet the growth requirement of microsatellite at present.
How under conditions of volume, power consumption are limited, the observing and controlling of S frequency range and X band number are passed into two sets of satellite borne equipment height
Integrated design, and realize that easy engineer application becomes urgent problem to be solved in microsatellite commercialized development.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of one for microsatellite
Change communication device and method, for solving observing and controlling in the prior art, number biography satellite-based communications equipment is mutually indepedent and is unable to satisfy micro-
The problem of moonlet demand.
In order to achieve the above objects and other related objects, the present invention provides a kind of integrated communication dress for microsatellite
It sets, comprising:
Highly integrated digital baseband is communicated to connect with the integrated electronics cabin of microsatellite, for the integrated electronics cabin it
Between transceiving communication data and data modem algorithm；S frequency range radio-frequency channel is established logical by S band antenna and earth station
Letter connection, S frequency range radio-frequency channel are used to send to the earth station through at the highly integrated digital baseband fusion and extraction
The communication data that the integrated electronics cabin of reason is sent is also used to receive the control signal that the earth station sends and then passes through institute
It states after highly integrated digital baseband carries out demodulation coding processing and is sent to the integrated electronics cabin；And X frequency range radio-frequency channel, pass through
X band antenna and earth station's foundation communicate to connect, and X frequency range radio-frequency channel is used to sent to the earth station through the high collection
The communication data sent in the integrated electronics cabin of processing is merged and extracted at digital baseband, is also used to receive earth station's hair
The control signal come is sent to the integrated electronics cabin after carrying out demodulation coding processing by the highly integrated digital baseband in turn.
Preferably, it is integrated with S frequency range and X frequency range peripheral interface on the highly integrated digital baseband, is connect by S frequency range periphery
Mouth is connect with S frequency range radio-frequency channel, is connect by X frequency range peripheral interface with X frequency range radio-frequency channel；It is described highly integrated
Algorithm fpga chip is configured with inside digital baseband, for realizing the modulation and demodulation algorithm of S frequency range and X frequency range；It is described highly integrated
Digital baseband be configured with anti-fuse FPGA chip, for monitor the algorithm fpga chip single event and upper line number
According to decoding, downlink data coding and interface management；The data-interface of the highly integrated digital baseband and the integrated electronics cabin are logical
Letter connection；The power supply interface of the highly integrated digital baseband with the integrated electronics cabin for being electrically connected, by the integrated electronics cabin
It powers for the highly integrated digital baseband.
Preferably, AD conversion is connected between the algorithm fpga chip and the receiving channel of S frequency range radio-frequency channel
Device, for carrying out analog-to-digital conversion；DA is connected between the algorithm fpga chip and the transmission channel of S frequency range radio-frequency channel
Converter, for carrying out digital-to-analogue conversion；It is connected between the algorithm fpga chip and the receiving channel of X frequency range radio-frequency channel
There is converter, for carrying out analog-to-digital conversion；Between the algorithm fpga chip and the transmission channel of X frequency range radio-frequency channel
It is connected with X-band modulator and amplifilter.
Preferably, the communication data that the anti-fuse FPGA chip sends the integrated electronics cabin, is merged and is taken out
Take processing, by the algorithm fpga chip be sent to the D/A converter being connect with S frequency range radio-frequency channel and with X frequency
The X frequency range modulator of section radio-frequency channel connection；The intermediate-freuqncy signal of the D/A converter conversion output is transferred to the S frequency range radio frequency
Channel, S frequency range radio-frequency channel carry out double conversion amplification to the intermediate-freuqncy signal to eliminate the base in the intermediate-freuqncy signal
Band mirror image, and then emit to the earth station；The communication number that the X-band modulator sends the digital processing algorithm unit
The amplifilter is sent to after directly modulating according to progress microwave to amplify, and then is emitted to the earth station.
Preferably, S frequency range radio-frequency channel receives the control signal sent by the earth station, through with S frequency
The converter of section radio-frequency channel connection is sent to the algorithm fpga chip after carrying out conversion and single-conversion to 70M, through institute
After stating algorithm fpga chip demodulation process, sent after carrying out demodulation coding to the control signal by the anti-fuse FPGA chip
To the integrated electronics cabin；X frequency range radio-frequency channel receives the control signal sent by the earth station, through with the X
The converter of frequency range radio-frequency channel connection is sent to the algorithm fpga chip after carrying out conversion and single-conversion to 70M, passes through
After the algorithm fpga chip demodulation process, sent out after carrying out demodulation coding to the control signal by the anti-fuse FPGA chip
Give the integrated electronics cabin.
The present invention also provides a kind of integrated communication methods for microsatellite, comprising: the synthesis with microsatellite
Electronic compartment establishes communication connection, for sending and receiving communication data；Integrated S frequency range radio-frequency channel and X frequency range radio frequency are set
S frequency range radio-frequency channel is established by S band antenna and earth station and is communicated to connect, by X frequency range radio-frequency channel by channel
It is established and is communicated to connect by X band antenna and earth station；The communication data received from the integrated electronics cabin is melted
Close and extraction processing after, amplified respectively by S frequency range radio-frequency channel and X frequency range radio-frequency channel frequency conversion and to described
The transmitting of face station；And to passing through what the received earth station in S frequency range radio-frequency channel and X frequency range radio-frequency channel sent
After controlling signal progress demodulation coding processing, it is sent to the integrated electronics cabin.
Preferably, it establishes and communicates to connect with the integrated electronics cabin of microsatellite, comprising: offer is integrated with S frequency range and X frequency range
The highly integrated digital baseband of peripheral interface, inside configuration anti-fuse FPGA chip, for monitoring in the highly integrated digital baseband
Algorithm fpga chip single event and with peripheral reliability management；By the data-interface of the highly integrated digital baseband with
The integrated electronics cabin communication connection；The power supply interface of the highly integrated digital baseband and the integrated electronics cabin are established and powered
Connection is that the highly integrated digital baseband is powered by the integrated electronics cabin.
Preferably, integrated S frequency range radio-frequency channel and X frequency range radio-frequency channel are set, comprising: by S frequency range radio-frequency channel and X
Frequency range radio-frequency channel is integrated with the highly integrated digital baseband；Receiving channel and institute in S frequency range radio-frequency channel
It states and connects converter between algorithm fpga chip；Transmission channel and the algorithm FPGA core in S frequency range radio-frequency channel
D/A converter is connected between piece；AD is connected between the receiving channel and the algorithm fpga chip of X frequency range radio-frequency channel
Converter；X-band modulator is connected between the transmission channel and the algorithm fpga chip of X frequency range radio-frequency channel and is put
Big filter.
Preferably, after carrying out fusion and extraction processing to the communication data received from the integrated electronics cabin, respectively
Emit by S frequency range radio-frequency channel and X frequency range radio-frequency channel frequency conversion amplification and to the earth station, comprising: described
Highly integrated digital baseband receives the communication data that the integrated electronics cabin is sent, and the communication data is merged and extracted
Processing；Processed communication data is sent to the DA connecting with S frequency range radio-frequency channel by the algorithm fpga chip
Converter converts output intermediate-freuqncy signal to S frequency range radio-frequency channel, S frequency range radio-frequency channel by the D/A converter
Double conversion amplification is carried out to eliminate the base band mirror image in the intermediate-freuqncy signal to the intermediate-freuqncy signal, and then again to the ground
It stands transmitting；Processed communication data is sent to the X connecting with X frequency range radio-frequency channel by the algorithm fpga chip
Band modulators are sent to the amplifilter after X-band modulator progress microwave is directly modulated and amplify, into
And emit again to the earth station.
Preferably, it is sent to by the received earth station in S frequency range radio-frequency channel and X frequency range radio-frequency channel
Control signal carry out demodulation coding processing after, be sent to the integrated electronics cabin, comprising: connect S frequency range radio-frequency channel
The control signal of receipts passes through the converter connecting with S frequency range radio-frequency channel and is converted, and sends after single-conversion to 70M
To the algorithm fpga chip, it is sent to the anti-fuse FPGA chip through the algorithm fpga chip, by the antifuse
Fpga chip carries out demodulation coding to the control signal and is sent to the integrated electronics cabin；By X frequency range radio-frequency channel
Received control signal passes through the converter connecting with X frequency range radio-frequency channel and is converted, and sends out after single-conversion to 70M
The algorithm fpga chip is given, the anti-fuse FPGA chip is sent to through the algorithm fpga chip, by the antifuse
Fpga chip carries out demodulation coding to the control signal and is sent to the integrated electronics cabin.
As described above, a kind of integrated communication device and method for microsatellite of the invention, has beneficial below
Effect:
Integrated communication device and method for microsatellite of the invention, can simultaneously with ground S frequency range observing and controlling system
System and X frequency range fortune control system realize data interaction, solve the problems, such as that satellite borne equipment refers to that huge, development cost is high, while simultaneous
Hold ground observing and controlling, kinematic system, reduces microsatellite O&M, in-orbit cost of use, also improve survey station coverage rate.Of the invention
Communication device and method have merged S frequency range and X frequency range satellite-based communications equipment, have the characteristics that small in size, light weight, low in energy consumption,
There is the microsatellite strictly limited to be of great significance volume power consumption.Communication device and method of the invention, has merged satellite
Telemetering and load data, realize most exchange transmission using a device, simplify the interface of each equipment room of satellite, and
Ground observing and controlling, fortune control system can be matching, with expanding star coverage of communication；To micro-gastric carcinoma, group-net communication tool
Have a wide range of applications.
Detailed description of the invention
Fig. 1 is shown as communication connection structural schematic diagram of the present invention for the integrated communication device of microsatellite.
Fig. 2 is shown as system block diagram of the present invention for the integrated communication device of microsatellite.
Fig. 3 is shown as flow chart of the present invention for the integrated communication method of microsatellite.
Component label instructions
11 integrated electronics cabins
12 ground observing and controlling systems
Transport control system in 13 ground
20 integrated communication devices
21 microwave front-ends
22 monitoring fpga chips
23 algorithm fpga chips
211 S frequency range radio-frequency channels
212 X frequency range radio-frequency channels
2111 receiving channels
2112 transmission channels
2121 receiving channels
2122 converters
2123 X-band modulators
2124 amplifilters
31 S band antennas
32 X band antennas
S11~S14 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Referring to Fig. 1, the present invention provides a kind of inexpensive integrated communication device and method suitable for microsatellite, energy
It is enough to realize data interaction with ground S frequency range TT&C system and X frequency range fortune control system simultaneously, solve satellite borne equipment it is bulky,
The high problem of development cost, while compatible ground observing and controlling system and fortune control system, reduce microsatellite O&M, in-orbit usage charges
With also improving survey station coverage rate.Integrated communication device for microsatellite of the invention has small in size, low in energy consumption
Feature, the communication device are mounted in satellite integrated electronics cabin in the form of plate, You Zhengxing platform power, downlink reception satellite
The telemetering of generation, payload data stream after data fusion extracts, are amplified, and pass through different transmittings by the channel frequency conversion of S and X frequency range
The transmitting of antenna ground station；Upstream data receives observing and controlling by different receiving antennas or transports the control signal of control system, and passes through
Various types of data carrier is sent to after demodulation coding.The inexpensive integrated communication of microsatellite is used for the present invention with reference to the accompanying drawing
Device and method is illustrated.
As shown in Figure 1, the comprehensive electricity of a kind of integrated communication device 20 for microsatellite of the invention and microsatellite
Sub- cabin 11 connects, and CAN interface (IF is equipped on integrated communication device 20CAN), power supply interface (IFPOWER) and data-interface
(IFDATA), it is connect respectively by above-mentioned interface with integrated electronics cabin 11, between integrated electronics cabin 11 and integrated communication device 20
Data communication and for electrical connection.Being integrated and connected on integrated communication device 20 by S band ports and X band ports, there have to be micro-
Wavefront end 21, is integrated with S frequency range radio-frequency channel and X frequency range radio-frequency channel in the microwave front-end 21, and by S band antenna 31 with
X band antenna 32 and earth station communicate to connect, and are communicated to connect by S band antenna 31 and ground observing and controlling system 12, pass through X frequency range
Antenna 32 and ground fortune control system 13 communicate to connect.Integrated communication device of the invention is the same as spaceborne logical with S frequency range and X frequency range
Believe equipment.
As shown in connection with fig. 2, the present invention includes highly integrated digital baseband, S for the integrated communication device 20 of microsatellite
Frequency range radio-frequency channel 211 and X frequency range radio-frequency channel 212, highly integrated digital baseband are communicated with the integrated electronics cabin 11 of microsatellite
Connection, for transceiving communication data between integrated electronics cabin.S frequency range radio-frequency channel 211 is integrated on highly integrated digital baseband,
And it is established and is communicated to connect by S band antenna 31 and earth station.X frequency range radio-frequency channel 212 is integrated on highly integrated digital baseband,
And it is established and is communicated to connect by X band antenna 32 and earth station.
Configured with monitoring fpga chip 22 in highly integrated digital baseband, it is integrated with outside S frequency range on monitoring FPAG chip 22
Interface and X frequency range peripheral interface are enclosed, the S frequency range peripheral interface and X frequency range peripheral interface are integrated in and receive base band and transmitting baseband,
It is communicated to connect by S frequency range peripheral interface and S frequency range radio-frequency channel 211, passes through X frequency range peripheral interface and X frequency range radio-frequency channel
212 communication connections, the transmitting-receiving of upstream data and downlink data is realized by communication connection.Highly integrated digital baseband periphery configuration has
Peripheral anti-fuse FPGA chip monitors the single-particle thing of highly integrated digital baseband by the peripheral anti-fuse FPGA chip configured
Part.The data-interface of highly integrated digital baseband and integrated electronics cabin communicate to connect, and realize data communication, specifically have, highly integrated
CAN interface in digital baseband is connect with the CAN interface chip in integrated electronics cabin, CAN interface for transmit and
Receive low speed control signals and status signal.The downlink data interface and LVDS interface of highly integrated digital baseband carry out communication link
It connects, downstream data flow is received by LVDS interface.The upstream data interface and RS422 interface communication of highly integrated digital baseband connect
It connects, upstream is sent by RS422 interface.Highly integrated digital baseband is also connected with direct instruction driving, provides 8 road OC
Order-driven interface.The power supply interface of highly integrated digital baseband with integrated electronics cabin 11 for being electrically connected, specifically, highly integrated number
Base band is connect by voltage management module with the power supply power supply in integrated electronics cabin 11, by the right+5V power supply of voltage management module into
Row conversion, isolation, to reduce the noise between modulus circuit.In order to guarantee the homology of clock, highly integrated digital baseband when
The clock source of clock management module is provided by the TCX0 of a patch 40MHz, including 2 FPGA clocks, the clock ginseng of 4 radio-frequency channels
It examines.
Highly integrated digital baseband is also communicated to connect with algorithm fpga chip 23, highly integrated digital baseband and algorithm fpga chip
Transmission has upstream data, downlink data and interactive information between 23.Algorithm fpga chip 23 and S frequency range radio-frequency channel 211 connects
It receives and is connected with converter between channel 2111, analog-to-digital conversion is carried out by converter；Algorithm fpga chip 23 and S frequency range is penetrated
It is connected with D/A converter between the transmission channel 2112 in frequency channel 2112, digital-to-analogue conversion is carried out by D/A converter；Algorithm FPGA
It is connected with converter 2122 between chip 23 and the receiving channel 2121 of X frequency range radio-frequency channel 212, is turned for carrying out modulus
It changes；X-band modulator 2123 and amplification are connected between algorithm fpga chip 23 and the transmission channel of X frequency range radio-frequency channel 212
Filter 2124.
S frequency range radio-frequency channel 211 is sent for ground station to be merged through highly integrated digital baseband and handles with extraction comprehensive
The communication data that electronic compartment 11 is sent is closed, the control signal that satellite receiver is sent is also used to and then passes through highly integrated digital baseband
Integrated electronics cabin 11 is sent to after carrying out demodulation coding processing.S frequency range radio-frequency channel 211 is surveyed by S band antenna 31 and ground
Control system 12 communicates to connect, and sends communication data for TT&C system to the ground and receives the control letter that ground observing and controlling system is sent
Number.
X frequency range radio-frequency channel 212 sends the synthesis for merging and extracting processing through highly integrated digital baseband for ground station
The communication data that electronic compartment is sent is also used to the control signal that satellite receiver is sent and then passes through highly integrated digital baseband carry out
Integrated electronics cabin 11 is sent to after demodulation coding processing.X frequency range radio-frequency channel 212 passes through X band antenna 32 and ground fortune control system
13 communication connection of system, for transporting the control signal that control system sends communication data and reception ground fortune control system is sent to the ground.
The communication data that integrated electronics cabin is sent carries out fusion through highly integrated digital baseband and extraction is handled, highly integrated
Engineering telemetering processing module is provided in digital baseband, by the engineering telemetering processing module to the communication data in integrated electronics cabin
Fusion and extraction processing are carried out, which mainly has telemetry and load data.It is merged by highly integrated digital baseband
With extract treated communication data, DA connect with S frequency range radio-frequency channel 211 is sent to by algorithm fpga chip 23 and is converted
The intermediate-freuqncy signal of device and the X-band modulator 2123 connecting with X frequency range radio-frequency channel 212, D/A converter conversion output is transferred to S
Frequency range radio-frequency channel 211, S frequency range radio-frequency channel 211 carry out double conversion amplification to intermediate-freuqncy signal to eliminate the intermediate-freuqncy signal
In base band mirror image, and then ground station emit；The communication data that X-band modulator 2123 sends algorithm fpga chip 23 into
Row microwave is sent to amplifilter 2124 and amplifies after directly modulating, and then ground station emits.
S frequency range radio-frequency channel 211 receives the control signal sent by earth station, through what is connect with S frequency range radio-frequency channel
Converter is sent to algorithm fpga chip 23 after carrying out conversion and single-conversion to 70M, is sent to through algorithm fpga chip 23
The anti-fuse FPGA chip of highly integrated digital baseband is sent to after carrying out demodulation coding to control signal by anti-fuse FPGA chip
Integrated electronics cabin 11；X frequency range radio-frequency channel 212 receive by earth station send control signal, through with X frequency range radio-frequency channel
The converter 2122 of 212 connections is sent to algorithm fpga chip 23 after carrying out conversion and single-conversion to 70M, through algorithm FPGA
Chip 23 is sent to anti-fuse FPGA chip, is sent to synthesis after carrying out demodulation coding to control signal by anti-fuse FPGA chip
Electronic compartment 11.Direct instruction decoding module in highly integrated digital baseband is translated for carrying out demodulation to received control signal
Code.
Highly integrated digital baseband utilizes a piece of Xilinx Spatan6FPGA chip, monolithic Xilinx Spatan6FPGA core
Piece is integrated with S frequency range and X frequency range peripheral interface sequential logic, modulation and demodulation algorithm, realizes that the observing and controlling sum number on conventional meaning passes
Modulation and demodulation algorithm solves the problems, such as system low cost and low-power consumption.And a piece of ACTEL anti-fuse FPGA chip of arranging in pairs or groups, it is right
It carries out single-particle monitoring, improves the reliability of system aerospace applications.In order to guarantee the homology of clock, entire communication device
Clock source is provided by the TCXO of a patch 40MHz, including 2 FPGA clocks, the clock reference of 4 radio-frequency channels；Power management
Module is responsible for converting+5V the power supply of input, being isolated, and reduces the noise between modulus circuit.CAN interface mainly transmit and
Receive low speed control signals, status signal；Uplink and downlink data flow is then communicated by LVDS and RS422 respectively.Meanwhile this communication fills
It sets and 8 road OC order-driven interfaces is also provided.
S frequency range radio-frequency channel 211 mainly using commercialization 3G wireless communication devices composition, including low noise, SAW filter,
Frequency synthesizer etc..For upstream data using the method that once downconverts to 70M, downlink data passes through the intermediate-freuqncy signal that exports to DA
Double conversion eliminates base band mirror image；X frequency range radio-frequency channel 212 directly modulated using microwave, converter technique.Modulate downstream data
Module uses microwave direct modulation technique, and fpga chip is directly sent out baseband signal to chip is modulated, exported after amplification filtering；On
Row data simplify design using the method for single-conversion to 70M.Communication device of the invention utilizes COTS device aerospace applications skill
Art, technique, temperature, space radiation assessment and the temperature screening of whole plate, ionization total amount screening experiment including component,
On the one hand design cost is reduced, on the other hand guarantees the reliability of present apparatus aerospace applications.Communication device of the invention is whole outer
Shape is less than 400g (including outer shield shell) having a size of 180mm × 174mm × 20mm, weight, and equipment longtime running power consumption is less than
3W (does not open transmitter).X frequency range downlink communication rate is 200Mbps, upstream rate 500kbps；S frequency range downstream rate is
4.5Mbps, upstream rate 2kbps.
A kind of integrated communication method for microsatellite provided by the invention is illustrated below.
As shown in figure 3, the present invention is used for the integrated communication method of microsatellite, comprising:
Step S11 is executed, establishes and communicates to connect with the integrated electronics cabin of microsatellite, for sending and receiving communication number
According to；It include: that the highly integrated digital baseband for being integrated with S frequency range and X frequency range peripheral interface is provided, it is outer for the configuration of highly integrated digital baseband
Anti-fuse FPGA chip is enclosed, for monitoring single event and the periphery of the algorithm fpga chip in the highly integrated digital baseband
Reliability management；The data-interface of highly integrated digital baseband and integrated electronics cabin are communicated to connect；By highly integrated digital baseband
Power supply interface is established with integrated electronics cabin for being electrically connected, and is that the highly integrated digital baseband is powered by integrated electronics cabin.Then it holds
Row step S12.
Step S12 is executed, integrated S frequency range radio-frequency channel and X frequency range radio-frequency channel are set, comprising: lead to S frequency range radio frequency
Road and X frequency range radio-frequency channel are integrated with highly integrated digital baseband；Algorithm FPGA is communicated to connect for highly integrated digital baseband
Chip, so that transceiving communication data between highly integrated digital baseband and digital processing algorithm unit；In S frequency range radio-frequency channel
Converter is connected between receiving channel and algorithm fpga chip；Transmission channel and algorithm FPGA core in S frequency range radio-frequency channel
D/A converter is connected between piece；Converter is connected between the receiving channel and algorithm fpga chip of X frequency range radio-frequency channel；In
X-band modulator and amplifilter are connected between the transmission channel and algorithm fpga chip of X frequency range radio-frequency channel.Then it executes
Step S13.
Step S13 is executed, S frequency range radio-frequency channel and X frequency range radio-frequency channel are established with earth station respectively and communicated to connect, it will
S frequency range radio-frequency channel is established by S band antenna and earth station and is communicated to connect, by X frequency range radio-frequency channel by X band antenna with
Earth station establishes communication connection；Further, S frequency range radio-frequency channel is communicated to connect by S band antenna and ground observing and controlling system,
Control system 13 is transported by X band antenna and ground and is communicated to connect in X frequency range radio-frequency channel.Then step S14 is executed.
Step S14 is executed, the communication number between integrated electronics cabin and earth station is realized by S frequency range and X frequency range radio-frequency channel
According to and control signal transmitting-receiving；After carrying out fusion and extraction processing to the communication data received from integrated electronics cabin, respectively
Pass through S frequency range radio-frequency channel and X frequency range radio-frequency channel frequency conversion amplification and ground station transmitting；To pass through S frequency range radio-frequency channel and X
After the control signal that the received earth station in frequency range radio-frequency channel sends carries out demodulation coding processing, it is sent to integrated electronics cabin.
After carrying out fusion and extraction processing to the communication data received from integrated electronics cabin, penetrated respectively by S frequency range
Frequency channel and X frequency range radio-frequency channel frequency conversion amplification and ground station transmitting, comprising: highly integrated digital baseband receives integrated electronics cabin
The communication data of transmission, and fusion and extraction processing are carried out to communication data；By algorithm fpga chip by processed communication
Data are sent to the D/A converter connecting with S frequency range radio-frequency channel, convert output intermediate-freuqncy signal to S frequency range by D/A converter and penetrate
Frequency channel, S frequency range radio-frequency channel carry out double conversion amplification to eliminate the base band mirror image in intermediate-freuqncy signal, in turn to intermediate-freuqncy signal
Ground station emits again；Processed communication data is sent to the X connecting with X frequency range radio-frequency channel by algorithm fpga chip
Band modulators are sent to amplifilter after X-band modulator progress microwave is directly modulated and amplify, and then again to ground
The transmitting of face station.
The control signal sent by the received earth station in S frequency range radio-frequency channel and X frequency range radio-frequency channel is demodulated
After decoding processing, it is sent to integrated electronics cabin, comprising: the received control signal in S frequency range radio-frequency channel is passed through and is led to S frequency range radio frequency
The converter of road connection is converted, and algorithm fpga chip is sent to after single-conversion to 70M, through algorithm fpga chip solution
After mediating reason, control signal is decoded by anti-fuse FPGA chip and is sent to integrated electronics cabin；By X frequency range radio-frequency channel
Received control signal passes through the converter connecting with X frequency range radio-frequency channel and is converted, and is sent to after single-conversion to 70M
Algorithm fpga chip carries out demodulation coding to control signal by anti-fuse FPGA chip after algorithm fpga chip demodulation process
And it is sent to integrated electronics cabin.
The present invention is for highly integrated digital baseband, S frequency range radio-frequency channel and the X in the integrated communication method of microsatellite
The form that frequency range radio-frequency channel can integrate as plate is plugged in the integrated electronics cabin of microsatellite, and You Zhengxing platform carries out
Power supply.Downstream data flow, i.e., the telemetry and load that the data sent from integrated electronics cabin ground station, mainly satellite generate
Lotus data pass through S frequency range radio-frequency channel and X frequency after downlink data flows through highly integrated digital baseband fusion and extraction processing respectively
Section radio-frequency channel frequency conversion amplification, and earth station is sent to by S band antenna and X band antenna, earth station passes through different virtual
Channel classification telemetering and load data.Upstream is to pass through S band antenna and the received ground observing and controlling system of X band antenna
The control signal that system and ground fortune control system are sent is sent to integrated electronics cabin after decoding by highly integrated digital baseband demodulation
Interior Various types of data carrier.
S frequency range peripheral interface and X frequency range peripheral interface are integrated on highly integrated digital baseband of the invention, outside the S frequency range
It encloses interface and X frequency range peripheral interface is integrated in and receives base band and transmitting baseband, it is logical by S frequency range peripheral interface and S frequency range radio frequency
Road communication connection, is communicated to connect by X frequency range peripheral interface and X frequency range radio-frequency channel, realizes upstream data by communication connection
With the transmitting-receiving of downlink data.Highly integrated digital baseband periphery configuration has peripheral anti-fuse FPGA chip, anti-by the periphery configured
Fuse fpga chip monitors the single event of highly integrated digital baseband.The data-interface of highly integrated digital baseband and comprehensive electricity
Sub- cabin communication connection, realizes data communication, specifically has, the CAN interface in highly integrated digital baseband and integrated electronics cabin
Interior CAN interface chip connection, CAN interface is for transmitting and receiving low speed control signals and status signal.Highly integrated number
Downlink data interface and the LVDS interface of word base band are communicatively coupled, and receive downstream data flow by LVDS interface.It is highly integrated
The upstream data interface of digital baseband is connect with RS422 interface communication, sends upstream by RS422 interface.It is highly integrated
Digital baseband is also connected with direct instruction driving, provides 8 road OC order-driven interfaces.The power supply interface of highly integrated digital baseband
With integrated electronics cabin for being electrically connected, specifically, highly integrated digital baseband passes through the power supply of voltage management module and integrated electronics cabin 1
For electrical connection, is converted, is isolated by the right+5V power supply of voltage management module, to reduce the noise between modulus circuit.In order to
Guaranteeing the homology of clock, the clock source of the Clock management module of highly integrated digital baseband is provided by the TCX0 of a patch 40MHz,
Including 2 FPGA clocks, the clock reference of 4 radio-frequency channels.
Highly integrated digital baseband uses Xilinx Spatan6 Series FPGA chip, realizes modulation and demodulation algorithm；Match periphery
It sets anti-fuse FPGA chip and single event monitoring is carried out to highly integrated digital baseband.Monolithic Spatan6FPGA integrated chip S
Frequency range and X frequency range peripheral interface sequential logic, modulation and demodulation algorithm, solve the problems, such as system low cost and low-power consumption, and periphery is anti-
Fuse fpga chip solves SRAM type fpga chip simple grain subproblem, improves the reliability of system aerospace applications.S frequency range and X frequency
Section radio-frequency channel uses inferior grade device aerospace applications technology, and overall dimension is 180 × 174 × 20mm, and weight is less than
400g (including outer shield shell), equipment longtime running power consumption are less than 3W (not opening transmitter).X frequency range downlink communication rate is
200Mbps, upstream rate 500kbps；S frequency range downstream rate is 4.5Mbps, upstream rate 2kbps.
Radio-frequency channel is made of S frequency range channel and X frequency range channel, and S frequency range radio-frequency channel mainly uses commercial 3G channel radio
Believe device composition, including low noise, SAW filter, frequency synthesizer etc..X frequency range radio-frequency channel directly modulated using microwave,
The digital signal of converter technique, fpga chip output is amplified, matches modulation with X frequency range modulator；Receive signal direct one
It is secondary to be converted to intermediate frequency 70M, fpga chip processing is sent to after being sampled by AD.And utilize COTS device aerospace applications technology, maximum limit
Degree reduces cost and guarantees reliability.COTS device aerospace applications technology includes that technique, temperature, the space radiation of component are commented
Estimate and the temperature of whole plate screening, ionization total-dose screening experiment.
In conclusion the present invention is used for the integrated communication device and method of microsatellite, S frequency range and X frequency range have been merged
Satellite-based communications equipment, small in size, light weight, feature low in energy consumption have the microsatellite strictly limited to have volume power consumption important
Meaning.In addition, the present invention has also merged telemetering and the load data source of satellite, multiple data stream is realized using a device and is passed
It is defeated, the interface of each equipment room of satellite is simplified, and ground observing and controlling, fortune control system can be matching, communicate with expanding star
Coverage rate is with a wide range of applications to micro-gastric carcinoma, networking.So the present invention effectively overcomes in the prior art
Various shortcoming and have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of integrated communication device for microsatellite characterized by comprising
Highly integrated digital baseband unit is communicated to connect with the integrated electronics cabin of microsatellite, for the integrated electronics cabin it
Between transceiving communication data and data modem algorithm；
S frequency range radio-frequency channel is established by S band antenna and earth station and is communicated to connect, and S frequency range radio-frequency channel is used for institute
Earth station is stated to send through the highly integrated digital baseband unit fusion and extract the communication sent in the integrated electronics cabin of processing
Data are also used to receive the control signal that the earth station sends and then are demodulated by the highly integrated digital baseband unit
The integrated electronics cabin is sent to after decoding processing；
X frequency range radio-frequency channel is established by X band antenna and earth station and is communicated to connect, and X frequency range radio-frequency channel is used for institute
Earth station is stated to send through the highly integrated digital baseband unit fusion and extract the communication sent in the integrated electronics cabin of processing
Data are also used to receive the control signal that the earth station sends and then are demodulated by the highly integrated digital baseband unit
The integrated electronics cabin is sent to after decoding processing.
2. being used for the integrated communication device of microsatellite as described in claim 1, which is characterized in that
It is integrated with S frequency range and X frequency range peripheral interface in the highly integrated digital baseband unit, passes through S frequency range peripheral interface and institute
The connection of S frequency range radio-frequency channel is stated, is connect by X frequency range peripheral interface with X frequency range radio-frequency channel；
It is configured with algorithm fpga chip inside the highly integrated digital baseband unit, for realizing the modulatedemodulate of S frequency range and X frequency range
Adjust algorithm；
It is configured with anti-fuse FPGA chip inside the highly integrated digital baseband unit, for monitoring the algorithm fpga chip
Single event and upstream data decoding, downlink data coding and interface management；
The data-interface of the highly integrated digital baseband unit and the integrated electronics cabin communicate to connect；
The power supply interface of the highly integrated digital baseband unit with the integrated electronics cabin for being electrically connected, by the integrated electronics cabin
It powers for the highly integrated digital baseband unit.
3. being used for the integrated communication device of microsatellite as claimed in claim 2, which is characterized in that
It is connected with converter between the algorithm fpga chip and the receiving channel of S frequency range radio-frequency channel, for carrying out
Analog-to-digital conversion；
It is connected with D/A converter between the algorithm fpga chip and the transmission channel of S frequency range radio-frequency channel, for carrying out
Digital-to-analogue conversion；
It is connected with converter between the algorithm fpga chip and the receiving channel of X frequency range radio-frequency channel, for carrying out
Analog-to-digital conversion；
X frequency range modulator and amplification are connected between the algorithm fpga chip and the transmission channel of X frequency range radio-frequency channel
Filter.
4. being used for the integrated communication device of microsatellite as claimed in claim 3, which is characterized in that the anti-fuse FPGA
The communication data that chip sends the integrated electronics cabin carries out fusion and extraction processing, is sent out by the algorithm fpga chip
The X frequency range modulator giving the D/A converter connecting with S frequency range radio-frequency channel and being connect with X frequency range radio-frequency channel；
The intermediate-freuqncy signal of the D/A converter conversion output is transferred to S frequency range radio-frequency channel, S frequency range radio-frequency channel pair
The intermediate-freuqncy signal carries out double conversion amplification to eliminate the base band mirror image in the intermediate-freuqncy signal, and then sends out to the earth station
It penetrates；
The X frequency range modulator carries out the communication data that the algorithm fpga chip is sent to be sent to institute after microwave is directly modulated
It states amplifilter to amplify, and then emits to the earth station.
5. being used for the integrated communication device of microsatellite as claimed in claim 3, which is characterized in that the S frequency range radio frequency
To the control signal sent by the earth station, the converter through connecting with S frequency range radio-frequency channel carries out channel reception
It converts and is sent to the algorithm fpga chip after single-conversion to 70M, after the algorithm fpga chip demodulation process, by institute
It states after anti-fuse FPGA chip decodes the control signal and is sent to the integrated electronics cabin；
X frequency range radio-frequency channel receives the control signal sent by the earth station, through connecting with X frequency range radio-frequency channel
The converter connect is sent to the algorithm fpga chip after carrying out conversion and single-conversion to 70M, through the algorithm FPGA core
After piece demodulation process, the integrated electronics are sent to after being decoded by the anti-fuse FPGA chip to the control signal
Cabin.
6. a kind of integrated communication method for microsatellite characterized by comprising
Communication connection is established in the integrated electronics cabin of highly integrated digital baseband unit and microsatellite, for sending and receiving communication number
According to；
Integrated S frequency range radio-frequency channel and X frequency range radio-frequency channel are set in highly integrated digital baseband unit, by the S frequency range
Radio-frequency channel is established by S band antenna and earth station and is communicated to connect, by X frequency range radio-frequency channel by X band antenna with
Earth station establishes communication connection；
Highly integrated digital baseband unit carries out fusion to the communication data received from the integrated electronics cabin and extraction is handled
Afterwards, amplified respectively by S frequency range radio-frequency channel and X frequency range radio-frequency channel frequency conversion and emitted to the earth station；With
And
Highly integrated digital baseband unit is to received describedly by S frequency range radio-frequency channel and X frequency range radio-frequency channel
After the control signal that face station is sent carries out demodulation coding processing, it is sent to the integrated electronics cabin.
7. being used for the integrated communication method of microsatellite as claimed in claim 6, which is characterized in that comprehensive with microsatellite
It closes electronic compartment and establishes communication connection, comprising:
The highly integrated digital baseband unit for being integrated with S frequency range and X frequency range peripheral interface, inside configuration anti-fuse FPGA core are provided
Piece, for monitor the algorithm fpga chip in the highly integrated digital baseband unit single event and with peripheral reliability pipe
Reason；
The data-interface of the highly integrated digital baseband unit and the integrated electronics cabin are communicated to connect；
The power supply interface of the highly integrated digital baseband unit is established with the integrated electronics cabin for being electrically connected, by the synthesis
Electronic compartment is the highly integrated digital baseband unit power supply.
8. being used for the integrated communication method of microsatellite as claimed in claim 7, which is characterized in that integrated S frequency is arranged
Section radio-frequency channel and X frequency range radio-frequency channel, comprising:
S frequency range radio-frequency channel and X frequency range radio-frequency channel are integrated with the highly integrated digital baseband unit；
Converter is connected between the receiving channel and the algorithm fpga chip of S frequency range radio-frequency channel；
D/A converter is connected between the transmission channel and the algorithm fpga chip of S frequency range radio-frequency channel；
Converter is connected between the receiving channel and the algorithm fpga chip of X frequency range radio-frequency channel；
X frequency range modulator and amplification are connected between the transmission channel and the algorithm fpga chip of X frequency range radio-frequency channel
Filter.
9. being used for the integrated communication method of microsatellite as claimed in claim 8, which is characterized in that electric from the synthesis
After the communication data received at sub- cabin carries out fusion and extraction processing, pass through S frequency range radio-frequency channel and X frequency respectively
Section radio-frequency channel frequency conversion amplification simultaneously emits to the earth station, comprising:
The highly integrated digital baseband unit receives the communication data that the integrated electronics cabin is sent, and to the communication data into
Row fusion and extraction processing；
Processed communication data is sent to the DA connecting with S frequency range radio-frequency channel to turn by the algorithm fpga chip
Parallel operation converts output intermediate-freuqncy signal to S frequency range radio-frequency channel, S frequency range radio-frequency channel pair by the D/A converter
The intermediate-freuqncy signal carries out double conversion amplification to eliminate the base band mirror image in the intermediate-freuqncy signal, and then again to the earth station
Transmitting；
Processed communication data is sent to the X frequency connecting with X frequency range radio-frequency channel by the algorithm fpga chip
Section modulator is sent to the amplifilter after X frequency range modulator progress microwave is directly modulated and amplifies, in turn
Emit again to the earth station.
10. being used for the integrated communication method of microsatellite as claimed in claim 8, which is characterized in that passing through S frequency
The control signal that the received earth station in section radio-frequency channel and X frequency range radio-frequency channel sends carries out demodulation coding processing
Afterwards, it is sent to the integrated electronics cabin, comprising:
The received control signal in S frequency range radio-frequency channel is passed through the converter connecting with S frequency range radio-frequency channel to carry out
Conversion, and algorithm fpga chip is sent to after single-conversion to 70M, the antifuse is sent to through the algorithm fpga chip
Fpga chip carries out demodulation coding to the control signal by the antifuse FPAG chip and is sent to the integrated electronics
Cabin；
The received control signal in X frequency range radio-frequency channel is passed through the converter connecting with X frequency range radio-frequency channel to carry out
Conversion, and the algorithm fpga chip is sent to after single-conversion to 70M, it is sent to through the algorithm fpga chip described anti-molten
Silk fpga chip carries out demodulation coding to the control signal by the anti-fuse FPGA chip and is sent to the integrated electronics
Cabin.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707263A (en) * | 2017-08-04 | 2018-02-16 | 上海航天电子有限公司 | Adapt to the universal integrated remote measurement ground checkout equipment of wide scope code check |
| CN107528629B (en) * | 2017-09-30 | 2024-01-30 | 湖南迈克森伟电子科技有限公司 | Satellite measurement and control data transmission broadcast integrated communication system |
| CN109004950B (en) * | 2018-08-08 | 2020-06-16 | 长光卫星技术有限公司 | Data transmission system and spread spectrum measurement and control system for solving mutual interference of telemetering signals and data transmission signals |
| CN109039471B (en) * | 2018-09-13 | 2020-05-15 | 上海垣信卫星科技有限公司 | Digital-analog hybrid demodulation method applied to high-speed laser communication |
| CN109560854A (en) * | 2018-10-17 | 2019-04-02 | 上海航天电子有限公司 | A kind of one-board feed element applied to micro-nano satellite |
| CN111092650B (en) * | 2019-12-26 | 2022-03-04 | 北京遥测技术研究所 | X frequency channel measurement and control communication integrated system based on data system fusion |
| CN111614368B (en) * | 2020-03-31 | 2021-08-10 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Maritime multipurpose communication terminal |
| CN111478726B (en) * | 2020-05-27 | 2022-06-03 | 中国科学院微小卫星创新研究院 | Communication system for small communication satellite |
| CN112350764B (en) * | 2020-09-30 | 2021-09-24 | 军事科学院系统工程研究院网络信息研究所 | Comprehensive communication system suitable for stratospheric lift-off platform |
| CN112887009B (en) * | 2021-01-22 | 2022-04-19 | 中国人民解放军国防科技大学 | Satellite-borne multifunctional multi-system measurement and control communication interoperation terminal and communication method |
| CN114301511B (en) * | 2021-12-08 | 2024-04-16 | 北京微纳星空科技有限公司 | Processing method, equipment and storage medium for high-speed uploading data |
| CN114221688B (en) * | 2021-12-14 | 2023-08-04 | 北京微纳星空科技有限公司 | Satellite-borne data processing method, device, equipment and storage medium |
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