CN106059695A - Meteoric trail communication based motorized command system training support device - Google Patents
Meteoric trail communication based motorized command system training support device Download PDFInfo
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- CN106059695A CN106059695A CN201610454356.1A CN201610454356A CN106059695A CN 106059695 A CN106059695 A CN 106059695A CN 201610454356 A CN201610454356 A CN 201610454356A CN 106059695 A CN106059695 A CN 106059695A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
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- Mobile Radio Communication Systems (AREA)
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Abstract
The invention discloses a meteoric trail communication based motorized command system training support device. The meteoric trail communication based motorized command system training support device comprises a receiving unit, a link unit, a channel unit, a sending unit, a channel control unit and a networking control unit. The meteoric trail communication based motorized command system training support device can generate a meteoric trail channel with time delay and error code typical characteristics. The meteoric trail passing process is complex, the search difficulty of channel characteristics is relatively great, a meteoric trail channel with the typical characteristics is generated, and the pertinence to channel research is enhanced; the networking structure of the meteoric trail communication can be simulated in system level, so that the deficiency that the former simulation device not can be connected between a master station and a slave station is made up; the meteoric trail communication based motorized command system training support device can realize control the working mode of an external terminal and can realize control of a whole communication system, so that the deficiencies of single function and poor systematicness of the former simulation devices are made up.
Description
Technical field
The invention belongs to meteoric trail communication simulation technical field, relate to a kind of motor-driven commander based on meteoric trail communication
Holding equipment is propped up in systematic training, particularly relates to one and can simulate real channel communication delay and error code feature and have system group network merit
The equipment of energy, the simulation test for meteoric trail communication equipment and communication software provides channel support.
Background technology
Meteoric trail communication is the most special a kind of communication mode, and the generation of meteoric trail has sudden, and is formed
Channel characteristics complicated.Meteoric trail communication simulator can produce the channel model with actual characteristic, in order to analog stream
The processes such as random burst, the exponential damping of star trail channel, thus meteoric trail communication can be simulated in laboratory environments
Journey.Wherein the generation of channel model and the control of network structure are the important component parts of meteoric trail communication analog systems.
Existing meteoric trail simulator, mainly based on channel simulation, can produce the meteoric trail meeting requirement of experiment
Channel, but be short of.As: the simulation of fading channel can only be carried out, it is impossible to the random of simulation meteoric trail is dashed forward
Send out, the characteristic such as communication delay error code；Single complete equipment can only simulate the communication process of two communication equipments, it is difficult to realizes system-level
Networking function；Although some equipment can simulate complicated networking mode, but typically requires the interconnection of many cover systems, manpower financial capacity's material resources
Relatively costly.Typical characteristic and the network topology structure of meteor trail channel are very important on the impact of communication performance, analog stream
Star trail channel typical characteristic and network topology structure, for test checking meteoric trail communication equipment and the reality of communication software
Usefulness is significant.
Summary of the invention
For above-mentioned problems of the prior art, it is an object of the invention to, produce available meteoric trail simulation
Channel and reliable network topology structure, by the generation of meteor trail channel, the transmission of data signal, the foundation collection of network structure
In train in holding equipment in the meteoric trail communication of a set of material objectization, train carrying for the meteoric trail communication of mobile command system
For supporting.
In order to realize above-mentioned task, the present invention by the following technical solutions:
A kind of exciting command system based on meteoric trail communication training holding equipment, including receive unit, linking element,
Channel Elements, transmitting element, channel controller and networking control unit, wherein:
Receive unit and connect multiple external communication devices, send with the mode parallel processing external communication device of multithreading
Data signal, processing procedure includes the reception to data signal and the caching to data signal, and the data signal of caching is pressed
It is transferred sequentially to linking element；
Linking element is for carrying out link adaptation to the data signal received, according to source and the networking of data signal
Connected state information between each external communication device in control instruction, determines the receiving terminal of data signal, and to Channel Elements
The channel simulation model produced judges, can use when there being the channel that available meteoric trail produces and current data link is corresponding
Time, carry out data transmission；
Channel Elements produces meteor arrival interval according to exponential rule, at meteor due in, according to dissimilar
Probability distribution produce meteor trail channel model, and in channel model insert white Gaussian noise；
Transmitting element is connected with described multiple external communication devices, receives after the data of linking element, by number
According to grouping cache in receiving queue, then according to the principle of first in first out sends data to external communication device；
Channel controller receives by user configured channel parameter, and channel parameter resolves to channel control instruction,
Then channel control instruction is acted on Channel Elements；Channel control instruction includes meteoric trail type, the interval time of advent, height
This white noise signal to noise ratio, the bit error rate and probability of happening；
Networking control unit receives by user configured networking parameter, and is networking control instruction by networking Parameter analysis of electrochemical,
Then networking control instruction is acted on linking element；Networking control instruction be include each external communication device connected state and
The information whether network structure changes.
Further, described satellite communication system simulator also includes statistical module:
Transmitting element and reception unit are monitored by statistical module respectively, receive first group of data from reception unit and open
Beginning timing, transmitting element stops timing when last group data being sent completely, calculates difference and obtain propagation delay time；And according to sending out
Send the statistical signal that unit provides, be calculated the statistical result of flow.
Further, described networking parameter includes the IP address of each external communication device, port, duty and each
Connection status between communication equipment；Described duty includes connection, disconnection, only transmission, only receives four kinds of states, described
Connection status include point-to-point connection and netted connection, wherein under point-to-point connection state, every external communication device is only
Can be with other an external communication device communication, and under netted connection status, every external communication device can with except from
Other any one external communication device communication outside body.
Further, described channel parameter includes the latitude coordinates of each external communication device, transmit power, work frequency
Rate, meteor average arrival time interval, noise type, ionospheric error, season and round the clock.
Further, described channel model for owe close class meteoric trail, overstocked class meteoric trail, owe close class meteor bunch with
And the one in four kinds of channels of multipath channel.
A kind of exciting command system based on meteoric trail communication training support method, comprises the following steps:
Step one, initialization procedure
User configures networking parameter and channel parameter, and networking parameter is sent to networking control unit, networking control unit
It is networking control instruction by networking Parameter analysis of electrochemical, networking control instruction is acted on linking element；Channel parameter is sent to letter
Road control unit, channel parameter is resolved to channel control instruction and acts on Channel Elements by channel controller；
Step 2, work process
Being connected with reception unit, transmitting element by multiple external communication devices, external communication device sends to receiving unit
Data signal, receives after data signal is cached by unit and passes to linking element in order；
The linking element signal to receiving carries out link adaptation, according to source and the networking control instruction of data signal
In connected state information between each external communication device, determine the receiving terminal of data signal, and the letter that Channel Elements is produced
Road model judges, when there being the channel that available meteoric trail produces and current data link is corresponding can use, carries out data biography
Defeated；If carried out data signal transmission, then:
Channel Elements produces meteor arrival interval according to exponential rule, at meteor due in, according to dissimilar
Probability distribution produce meteor trail channel model, and in channel model insert white Gaussian noise；
Transmitting element receives after the data of linking element, by buffering data packets in receiving queue, then presses
Principle according to first in first out sends data to external communication device.
The present invention compared with prior art has a techniques below feature:
1. the present invention can produce and have time delay and the meteor trail channel of error code typical characteristic.Meteoric trail is multiple by process
Miscellaneous, relatively big to the research difficulty of channel characteristics, produce the meteor trail channel with typical characteristic, enhance Research on Channel
Specific aim.
2. can be from the networking structure of system level simulation meteoric trail communication.Single device can connect 4 exterior terminals, terminal
Type can be main website or slave station, and the simulator before compensate for can only be connected to the deficiency between main website and slave station.This
Invention can point-to-point, broadcast, mutually switch between the networking mode such as network structure, single device can meet multiple demand.
3. make in connection, disconnection, only transmission, only four kinds of states of reception, it is achieved the control to whole communication system, compensate for
Simulator function singleness, the strongest systemic shortcoming in the past.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 present invention receives unit principle assumption diagram
Fig. 3 linking element of the present invention principle assumption diagram
Fig. 4 Channel Elements of the present invention principle assumption diagram
Fig. 5 transmitting element of the present invention principle assumption diagram
Fig. 6 channel controller of the present invention principle assumption diagram
Fig. 7 networking of the present invention control unit principle assumption diagram
Fig. 8 present system connects figure
Fig. 9 ARQ of the present invention transmission mechanism schematic diagram
Detailed description of the invention
As it is shown in figure 1, the invention provides a kind of exciting command system based on meteoric trail communication training holding equipment,
For simulating meteoric trail communication terminal communication process under different networking modes.In the present embodiment, give four meteors
Burst communication terminal communicates the example of simulation, as shown in Figure 8.
Holding equipment is propped up in this training of the present invention, including receiving unit, linking element, Channel Elements, transmitting element, channel
Control unit and networking control unit；Wherein, receive unit and be sequentially connected with linking element, Channel Elements, transmitting element, group
Net control unit is connected with linking element, and channel controller is connected with Channel Elements.The function that these unit realize is the most such as
Under:
Receive unit to be connected with external communication device, as shown in Figure 8 by signaling interface；The effect receiving unit is logarithm
The number of it is believed that is received, caches and sends.Fig. 2 gives the concrete structure receiving unit, and it is by data reception module and data
Cache module forms.Data reception module receives four external communication devices as shown in Figure 8 respectively and sends the data signal of coming,
Data cache module is cached in queue to be sent to data signal according to the principle arriving first advanced person, and passes to link list in order
Unit；Data reception module and data cache module use the mode of multithreading, set corresponding to four PERCOM peripheral communication in the present embodiment
Standby total most four threads, carry out parallel processing to the data signal sent；Described data signal, refers to by external satellite
Communication equipment is sent, the communication data being transmitted by channel.
As it is shown on figure 3, linking element includes channel access module, link adaptation module and data transmission module, Qi Zhonglian
Road matching module is for carrying out link adaptation to the data signal received, and source and networking according to data signal control to refer to
Connected state information between each external communication device in order, determines the receiving terminal of data signal；Signal intervention module is to channel
The channel model that unit produces judges, when there being available meteoric trail to produce, then connects channel and carries out data transmission, when not having
When having available meteoric trail to produce, then disconnect channel and stop data transmission；Data transmission module only works when there being channel access,
According to the channel status that data link is corresponding, it is determined whether carry out data transmission；If channel received signal to noise ratio is higher than threshold level,
Then data signal is delivered to Channel Elements be transmitted, do not carry out data transmission；The transmission control protocol of data link is adopted
Use ARQ transmission control protocol.
The work process of ARQ transmission control protocol is as follows: respectively make a start and receiving end in channel two ends, makes a start first to data
Carrying out coding groups, send packet and be transmitted to analog channel, the receiving end packet to receiving carries out error detection decoding,
If receiving end is properly received, then to feeding back ACK affirmative acknowledgement of making a start；If receiving end garbled-reception, then to feedback of making a start, NACK is no
Determine response, this packet of re-transmission of making a start；If at the appointed time, make a start and do not receive ACK, also to retransmit this packet.Coding staff
Formula uses LDPC code word, and maximum retransmission is 3.
As shown in Figure 4, Channel Elements includes time delay module, analogue signal module and noise module.Corresponding to different numbers
According to link, Channel Elements can produce different analogue signals in the way of multithreading simultaneously.Wherein, time delay module is to obey T=
The exponential rule of 10s produces meteor arrival interval, at meteor due in, analogue signal module according to different types of generally
Rate distribution produces meteor trail channel model, in order to transmit data signal；Analogue signal realizes typical Mathematics Model with program
Method generates, and this analogue signal can be to owe close class meteor trail channel, overstocked class meteor trail channel, deficient close class meteor bunch letter
One in road and four kinds of channels of multipath channel；Noise module is for inserting white Gaussian noise in channel model.
Transmitting element is connected with described multiple external communication devices, and transmitting element includes that data cache module and data are sent out
Module, data cache module is sent to receive after the data of linking element, by buffering data packets in receiving queue, then
Data transmission blocks sends data to external communication device according to the principle of first in first out；Data cache module and data send
Module uses the mode of multithreading, has four threads corresponding to four communication interfaces, carries out the data signal that will send
Parallel processing.
As shown in Figure 6, channel controller is made up of channel parameter receiver module and channel instruction resolving module.Wherein,
Channel parameter receiver module receives by user configured channel parameter, and is channel control instruction by channel parameter analytical Calculation,
Then channel control instruction is acted on Channel Elements；Channel parameter includes the latitude coordinates of each external communication device, sends merit
Rate, operating frequency, meteor average arrival time interval, noise type, ionospheric error, season and round the clock (current time).Letter
Road control instruction includes meteoric trail type, the interval time of advent, white Gaussian noise signal to noise ratio, the bit error rate and probability of happening.
Networking control unit receives by user configured networking parameter, and is networking control instruction by networking Parameter analysis of electrochemical,
Then networking control instruction is acted on linking element；Networking control instruction be include each external communication device connected state and
The information whether network structure changes.Wherein, networking parameter includes the IP address of each external communication device, port, duty
And the connection status between each communication equipment；Described duty includes connection, disconnection, only transmission, only four kinds of shapes of reception
State, described connection status includes point-to-point connection and netted connection, wherein under point-to-point connection state, every PERCOM peripheral communication
Equipment can only be with other an external communication device communication, and under netted connection status, every external communication device is permissible
With other any one the external communication device communication in addition to self.
Described statistic unit is made up of delay statistics module and traffic statistics module, and delay statistics module is respectively to sending mould
Block and receiver module are monitored, and receive first group of data from receiver module and start timing, and last is organized number by sending module
According to stopping timing when being sent completely, calculate difference and obtain propagation delay time；Sending module is monitored by traffic statistics module, according to
The statistical signal that sending module provides, is calculated the statistical result of flow.
The initialization procedure of system is: networking parameter and channel parameter are passed through user's configuration interface (software interface) by user
Input system, is resolved parameter by networking control unit and channel controller, and networking control unit produces networking and controls
Instruction output, to linking element, is generated link structure by linking element according to control instruction, and channel controller produces channel control
System instruction output, to Channel Elements, is generated channel model by Channel Elements according to control instruction.
The normal course of operation of system is: the data signal that outside main website or slave station data communications equipment send is by receiving
Unit receives and caches, and data to be sent are carried out link adaptation by linking element, at the link corresponding to data signal transmission
When channel can use, enter data into Channel Elements, after channel unit adds decay characteristics, error code feature and time delay feature,
By transmitting element output to external communications terminals, statistic unit is according to receiving unit and the work process statistical data of transmitting element
Throughput and propagation delay time.
A kind of exciting command system based on meteoric trail communication training support method, comprises the following steps:
Step one, initialization procedure
User configures networking parameter and channel parameter, and networking parameter is sent to networking control unit, networking control unit
It is networking control instruction by networking Parameter analysis of electrochemical, networking control instruction is acted on linking element；Channel parameter is sent to letter
Road control unit, channel parameter is resolved to channel control instruction and acts on Channel Elements by channel controller；
Step 2, work process
Being connected with reception unit, transmitting element by multiple external communication devices, external communication device sends to receiving unit
Data signal, receives after data signal is cached by unit and passes to linking element in order；
The linking element signal to receiving carries out link adaptation, according to source and the networking control instruction of data signal
In connected state information between each external communication device, determine the receiving terminal of data signal, and the letter that Channel Elements is produced
Road model judges, when there being the channel that available meteoric trail produces and current data link is corresponding can use, carries out data biography
Defeated；If carried out data signal transmission, then:
Channel Elements produces meteor arrival interval according to exponential rule, at meteor due in, according to dissimilar
Probability distribution produce meteor trail channel model, and in channel model insert white Gaussian noise；
Transmitting element receives after the data of linking element, by buffering data packets in receiving queue, then presses
Principle according to first in first out sends data to external communication device.
Claims (6)
1. a mobile command system based on a meteoric trail communication training holding equipment, it is characterised in that include receiving unit,
Linking element, Channel Elements, transmitting element, channel controller and networking control unit, wherein:
Receive unit and connect multiple external communication devices, the data sent with the mode parallel processing external communication device of multithreading
Signal, processing procedure includes the reception to data signal and the caching to data signal, and by the data signal of caching in order
Pass to linking element；
Linking element is for carrying out link adaptation to the data signal received, and source and networking according to data signal control
Connected state information between each external communication device in instruction, determines the receiving terminal of data signal, and produces Channel Elements
Channel model judge, when having available meteoric trail to produce and channel corresponding to current data link can use, count
According to transmission；
Channel Elements produces meteor arrival interval according to exponential rule, at meteor due in, according to different types of generally
Rate distribution produces meteor trail channel model, and inserts white Gaussian noise in channel model；
Transmitting element is connected with described multiple external communication devices, receives after the data of linking element, data is divided
Group is cached in receiving queue, then according to the principle of first in first out sends data to external communication device；
Channel controller receives by user configured channel parameter, and channel parameter resolves to channel control instruction, then
Channel control instruction is acted on Channel Elements；Channel control instruction includes meteoric trail type, the interval time of advent, white Gaussian
Noise signal to noise ratio, the bit error rate and probability of happening；
Networking control unit receives by user configured networking parameter, and is networking control instruction by networking Parameter analysis of electrochemical, then
Networking control instruction is acted on linking element；Networking control instruction is to include connected state and the network of each external communication device
Structural change whether information.
2. mobile command system based on meteoric trail communication training holding equipment as claimed in claim 1, it is characterised in that
Described satellite communication system simulator also includes statistical module:
Transmitting element and reception unit are monitored by statistical module respectively, receive first group of data from reception unit and start meter
Time, transmitting element stops timing when last group data being sent completely, calculates difference and obtain propagation delay time；And it is single according to sending
The statistical signal that unit provides, is calculated the statistical result of flow.
3. mobile command system based on meteoric trail communication training holding equipment as claimed in claim 1, it is characterised in that
Described networking parameter includes the company between the IP address of each external communication device, port, duty and each communication equipment
Connect state；Described duty includes connection, disconnection, only transmission, only receives four kinds of states, and described connection status includes a little
Connecting and a netted connection, wherein under point-to-point connection state, every external communication device can only be with one outside other
Portion's communication apparatus communication, and under netted connection status, every external communication device can be any with other in addition to self
One external communication device communication.
4. mobile command system based on meteoric trail communication training holding equipment as claimed in claim 1, it is characterised in that
Described channel parameter includes the latitude coordinates of each external communication device, transmit power, operating frequency, meteor average arrival time
Interval, noise type, ionospheric error, season and round the clock.
5. mobile command system based on meteoric trail communication training holding equipment as claimed in claim 1, it is characterised in that
Described channel model is for owing close class meteoric trail, overstocked class meteoric trail, owing close class meteor bunch and multipath channel four kinds letter
One in road.
6. mobile command system based on a meteoric trail communication training support method, it is characterised in that comprise the following steps:
Step one, initialization procedure
User configures networking parameter and channel parameter, and networking parameter is sent to networking control unit, and networking control unit is by group
Network parameters resolves to networking control instruction, and networking control instruction is acted on linking element；Channel parameter is sent to channel control
Unit processed, channel parameter is resolved to channel control instruction and acts on Channel Elements by channel controller；
Step 2, work process
Being connected with reception unit, transmitting element by multiple external communication devices, external communication device sends data to receiving unit
Signal, receives after data signal is cached by unit and passes to linking element in order；
The linking element signal to receiving carries out link adaptation, according to each in the source of data signal and networking control instruction
Connected state information between external communication device, determines the receiving terminal of data signal, and the channel mould producing Channel Elements
Type judges, when there being the channel that available meteoric trail produces and current data link is corresponding can use, carries out data transmission；As
Fruit carries out data signal transmission, then:
Channel Elements produces meteor arrival interval according to exponential rule, at meteor due in, according to different types of generally
Rate distribution produces meteor trail channel mould model, and inserts white Gaussian noise in channel model；
Transmitting element receives after the data of linking element, by buffering data packets in receiving queue, then according to first
Enter the principle first gone out and send data to external communication device.
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| CN201610454356.1A CN106059695B (en) | 2016-06-21 | 2016-06-21 | A kind of mobile command system training holding equipment based on meteoric trail communication |
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Cited By (1)
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| CN114337704A (en) * | 2021-12-07 | 2022-04-12 | 中国电子科技集团公司第五十四研究所 | Meteoric trail communication device and communication method |
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| CN114337704A (en) * | 2021-12-07 | 2022-04-12 | 中国电子科技集团公司第五十四研究所 | Meteoric trail communication device and communication method |
| CN114337704B (en) * | 2021-12-07 | 2023-12-12 | 中国电子科技集团公司第五十四研究所 | Meteor trail communication device and communication method |
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