CN106301620A - Data transmission system active interference dynamic analog and interference antagonism test system - Google Patents
Data transmission system active interference dynamic analog and interference antagonism test system Download PDFInfo
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- CN106301620A CN106301620A CN201610607551.3A CN201610607551A CN106301620A CN 106301620 A CN106301620 A CN 106301620A CN 201610607551 A CN201610607551 A CN 201610607551A CN 106301620 A CN106301620 A CN 106301620A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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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
- H04B17/3911—Fading models or fading generators
-
- 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
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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- Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention belongs to system test field.A kind of data transmission system active interference dynamic analog and interference antagonism test system are proposed, including: useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6)；Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal synthesizer (5)；Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the single pattern state of generation or the interference signal of Suresh Kumar assembled state, it is sent to signal synthesizer (5)；Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, is sent to wireless data and receives equipment (8)；Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and is monitored analyzing to the data after processing, it is judged that the correctness of the data after described process.
Description
Technical field
The invention belongs to system test field.
Background technology
Under complex environment, aviation wireless system for transmitting data is easily subject to the impact of the most active interference, causes data
There is error code or frame losing in transmission system, and data communication can be caused time serious to interrupt.How to build a kind of data transmission set especially
It is the data receiver test system to active jamming rejection, data transmission set active jamming rejection ability is carried out test the most aobvious
Obtain most important.And the structure of test environment is generally only the simulation of single mode interference environment, lack the dynamic analog of jamming signal type.
The present invention simulates and anti-interference test system by building data transmission set dynamic interference environment, simulates jamming performance realistically
Parameter, carries out the test of multi-mode combined interference antagonism, can effectively verify the performance of data transmission system active jamming rejection.
Summary of the invention
The purpose of the present invention: propose a kind of data transmission system active interference dynamic analog and interference antagonism test is
System.
Technical scheme:
A kind of data transmission system active interference dynamic analog and interference antagonism test system, including:
Useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6)；
Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal
Synthesizer (5)；
Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the list of generation
One pattern state or the interference signal of Suresh Kumar assembled state, be sent to signal synthesizer (5)；
Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, be sent to wireless data and connect
Receiving unit (8)；
Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and enter the data after processing
Row monitoring analysis, it is judged that the correctness of the data after described process.
Active interference signal generatord (1) including:
Interference suppressor (3), controls interference signal generator (2) and vector signal source (4) produces different interference signals；
Interference signal generator (2), produces interference signal according to the control of interference suppressor (3) and is sent to vector signal source
(4)；
Vector signal source (4), produces interference signal according to the control of interference suppressor (3), with interference signal generator (2)
The interference signal produced is overlapped forming new interference signal, is sent to signal synthesizer (5).
The interference signal that interference signal generator (2) and vector signal source (4) produce includes following a kind of interference or
The combination of interference more than kind: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband interference, frequency sweep
Interference, impulse disturbances.
Advantages of the present invention:
Data transmission system active interference dynamic analog and interference antagonism test the simulation interference that system can be true to nature
Performance parameter, carries out multi-mode combination anti-interference capability testing, can effectively verify the performance of data transmission system active jamming rejection.
Accompanying drawing illustrates:
Fig. 1 is data transmission system of the present invention active interference dynamic analog and interference antagonism test system structure signal
Figure.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is described in further detail.
A kind of data transmission system active interference dynamic analog and interference antagonism test system, as it is shown in figure 1, bag
Include:
Useful signal simulator 7, simulation produces useful signal, is sent to adjustable attenuator 6；
Adjustable attenuator 6, carries out attenuation processing to described useful signal, the useful signal after decay is sent to signal and closes
Grow up to be a useful person 5；
Active interference signal generatord 1, by dynamically adjusting modulation system, interfering energy, interference waveform, generation single
The interference signal of pattern state or Suresh Kumar assembled state, is sent to signal synthesizer 5；
Signal synthesizer 5, injects useful signal by described interference signal and forms superposed signal, is sent to wireless data and receives
Equipment 8；
Wireless data receives equipment 8, described superposed signal is demodulated decoding and processes, and carry out the data after processing
Monitoring analysis, it is judged that the correctness of the data after described process.
Active interference signal generatord 1 includes:
Interference suppressor 3, controls interference signal generator 2 and vector signal source 4 produces different interference signals；
Interference signal generator 2, produces interference signal according to the control of interference suppressor 3 and is sent to vector signal source 4；
Vector signal source 4, produces interference signal according to the control of interference suppressor 3, with interference signal generator 2 generation
Interference signal is overlapped forming new interference signal, is sent to signal synthesizer 5.
The interference signal that interference signal generator 2 and vector signal source 4 produce include following a kind of interference or one with
The combination of upper interference: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband interference, frequency sweep are done
Disturb, impulse disturbances.
Workflow:
The simulation of step 11, useful signal simulator 7 produces useful signal, is sent to adjustable attenuator 6.
Step 12, adjustable attenuator 6 carry out attenuation processing to described useful signal, are sent to by the useful signal after decay
Signal synthesizer 5.
Step 13, setting up communication link, described communication link is not as it is shown in figure 1, active interference signal generatord 1 is to signal
Synthesizer 5 injects interference signal.
Step 14, interference suppressor 3 control interference signal generator 2 and vector signal source 4 produces different interference signals.
Step 15, interference signal generator 2 produce interference signal according to the control of interference suppressor 3 and are sent to vector signal
Source 4.
Step 16, vector signal source 4 produce interference signal according to the control of interference suppressor 3, with interference signal generator 2
The interference signal produced is overlapped forming new interference signal, is sent to signal synthesizer 5.
Described interference signal is injected useful signal and forms superposed signal by step 17, signal synthesizer 5, is sent to wireless number
According to receiving equipment 8.
Step 18, wireless data receive equipment 8, described superposed signal is demodulated decoding process, and to process after
Data are monitored analyzing, it is judged that after active interference signal generatord 1 is gradually increased interfering energy, and wireless data receives equipment 8
Whether the information after process there is information dropout or error code occurs, if it occur that, then wireless data receives equipment 8 and is in critical work
Make state.Interfering energy by the described the most active interference signal generatord of critical excitation record 1.And by described dry
Disturb energy the active jamming rejection ability of wireless data reception equipment 8 is estimated.
Claims (3)
1. a data transmission system active interference dynamic analog and interference antagonism test system, it is characterised in that including:
Useful signal simulator (7), simulation produces useful signal, is sent to adjustable attenuator (6)；
Adjustable attenuator (6), carries out attenuation processing to described useful signal, and the useful signal after decay is sent to signal syntheses
Device (5)；
Active interference signal generatord (1), by dynamically adjusting modulation system, interfering energy, interference waveform, the single sample of generation
The interference signal of formula state or Suresh Kumar assembled state, is sent to signal synthesizer (5)；
Signal synthesizer (5), injects useful signal by described interference signal and forms superposed signal, is sent to wireless data reception and sets
Standby (8)；
Wireless data receives equipment (8), described superposed signal is demodulated decoding and processes, and supervise the data after processing
Control is analyzed, it is judged that the correctness of the data after described process.
2. a kind of data transmission system active interference dynamic analog as claimed in claim 1 and interference antagonism test are
System, it is characterised in that active interference signal generatord (1) including:
Interference suppressor (3), controls interference signal generator (2) and vector signal source (4) produces different interference signals；
Interference signal generator (2), produces interference signal according to the control of interference suppressor (3) and is sent to vector signal source (4)；
Vector signal source (4), produces interference signal according to the control of interference suppressor (3), produces with interference signal generator (2)
Interference signal be overlapped forming new interference signal, be sent to signal synthesizer (5).
3. a kind of data transmission system active interference dynamic analog as claimed in claim 1 and interference antagonism test are
System, it is characterised in that the interference signal that interference signal generator (2) and vector signal source (4) produce includes following a kind of interference
Or the combination of more than one interference: single tone jamming, Multi-tone jamming, the spot jamming of band segment arrowband, block type broadband are done
Disturb, Sweeping nonlinearity, impulse disturbances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607551.3A CN106301620A (en) | 2016-07-29 | 2016-07-29 | Data transmission system active interference dynamic analog and interference antagonism test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607551.3A CN106301620A (en) | 2016-07-29 | 2016-07-29 | Data transmission system active interference dynamic analog and interference antagonism test system |
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| CN106301620A true CN106301620A (en) | 2017-01-04 |
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| CN201610607551.3A Pending CN106301620A (en) | 2016-07-29 | 2016-07-29 | Data transmission system active interference dynamic analog and interference antagonism test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965083A (en) * | 2018-06-13 | 2018-12-07 | 四川川润液压润滑设备有限公司 | A kind of Modbus-RS485 signal procedure method of active jamming rejection |
| CN109116142A (en) * | 2018-07-20 | 2019-01-01 | 固安信通信号技术股份有限公司 | The anti-interference emulation test method of track circuit receiver and system |
| EP4030645A4 (en) * | 2019-09-18 | 2022-11-02 | ZTE Corporation | Interference simulation system, method and apparatus, interference test system, method and apparatus, and computer readable storage medium |
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| CN101128009A (en) * | 2007-09-18 | 2008-02-20 | 中兴通讯股份有限公司 | A method and device for interference test of WiMAX system |
| CN103856242A (en) * | 2012-11-30 | 2014-06-11 | 李祥明 | Power-line communication interference devices |
| CN205123751U (en) * | 2014-12-16 | 2016-03-30 | 深圳电信研究院 | Mobile terminal radio frequency uniformity automatic test system |
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2016
- 2016-07-29 CN CN201610607551.3A patent/CN106301620A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128009A (en) * | 2007-09-18 | 2008-02-20 | 中兴通讯股份有限公司 | A method and device for interference test of WiMAX system |
| CN103856242A (en) * | 2012-11-30 | 2014-06-11 | 李祥明 | Power-line communication interference devices |
| CN205123751U (en) * | 2014-12-16 | 2016-03-30 | 深圳电信研究院 | Mobile terminal radio frequency uniformity automatic test system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965083A (en) * | 2018-06-13 | 2018-12-07 | 四川川润液压润滑设备有限公司 | A kind of Modbus-RS485 signal procedure method of active jamming rejection |
| CN108965083B (en) * | 2018-06-13 | 2020-09-18 | 四川川润液压润滑设备有限公司 | Active interference resistant Modbus-RS485 communication program method |
| CN109116142A (en) * | 2018-07-20 | 2019-01-01 | 固安信通信号技术股份有限公司 | The anti-interference emulation test method of track circuit receiver and system |
| EP4030645A4 (en) * | 2019-09-18 | 2022-11-02 | ZTE Corporation | Interference simulation system, method and apparatus, interference test system, method and apparatus, and computer readable storage medium |
| US20220352997A1 (en) * | 2019-09-18 | 2022-11-03 | Zte Corporation | Interference simulation system, method and apparatus, interference test system, method and apparatus, and computer readable storage medium |
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Application publication date: 20170104 |