CN107809288A - A kind of air interference method of testing and system - Google Patents
A kind of air interference method of testing and system Download PDFInfo
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- CN107809288A CN107809288A CN201711036391.2A CN201711036391A CN107809288A CN 107809288 A CN107809288 A CN 107809288A CN 201711036391 A CN201711036391 A CN 201711036391A CN 107809288 A CN107809288 A CN 107809288A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
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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
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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
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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Abstract
The invention provides a kind of air interference method of testing and system.The air interference method of testing, realization is directed to the adjustable disturbed test of LTE V2X communication links under anechoic chamber, environment, build first comprising transmitter unit, anechoic chamber, receiving unit, the air interference test system for disturbing unit, and the communication link in air interference test system between each equipment is established, realize HWIL simulation disturbed test under anechoic chamber, environment.When carrying out air interference test, by setting the different parameters of the first channel simulator in transmitter unit come the real channel of different scenes in simulation test frequency range, solve the problems, such as to need to spend more manpower and time cost in common field testing, drastically increase testing efficiency and validity.Also, second channel simulator is configured for interference source, can be simulated without real interference signal characteristic in scene, realizes accurate and Parameter adjustable interference source signal.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of air interference method of testing and system.
Background technology
At the beginning of 21 century, automotive engineering and radiotechnics show the trend mutually merged, ITS (Intelligent
Transportation System, intelligent transportation system) proposition, realize between vehicle, pedestrian and trackside infrastructure
Information exchange merges.With the popularization of LTE (Long Term Evolution, Long Term Evolution) technology, especially LTE-D2D
(Long-Term Evolution Device-to-Device, a kind of communication service, support LTE cellular systems in equipment and
Communication between equipment) standard formulation so that realizing between car car, bus or train route, car people that direct communication turns into based on LTE technologies can
Can, so as to meet the low time delay between car car, bus or train route, car people, high reliable communication demand.LTE-V2X(Long-Term
Evolution Vehicle-to-Everything, a kind of communication service, include the sender or reception for supporting car networking application
Just) the core communication network for being ITS, substantially it is a kind of wireless communication means end to end in ITS systems, can be with bi-directional
Any possible message, the information channel role of core is played the part of in car networking.V2X is made up of three kinds of vehicle communication services, point
It is not：V2V (Vehicle to Vehicle, vehicle and vehicle), V2I (Vehicle to Infrastructure, vehicle with
Roadside unit), V2P (Vehicle to Pedestrian, vehicle and people).International Main Developed Countries and Primary communication standard
Tissue also deploys to further investigate to V2X systems.ITU-R(International Telecommunication Union Radio
Communications sector, International Telecommunication Union's radio communication group) it is that the unified research frequency range in the ITS whole world is true
It is set to 5850MHz-5925MHz, and the U.S., European Union and Singapore's ITS communications bands are consistent with IUT-R.
At this stage, the main flow wireless communication technology in ITS includes DSRC (Dedicated Short Range
Communication, DSRC technology) and LTE-V2X, wherein, DSRC technology has been subjected to the hair of many decades in the U.S.
Exhibition, it is more ripe.
The DSRC terminal interference test methods of ITS systems are：Test environment is set as field testing, different by setting
Interference source type and scene, realize the control of the disturbance factor such as coverage, transmission power, bandwidth, modulation system.Not
The communication performance of LTE-V2X systems is tested with conditions of, finally gives LTE-V2X communication systems in disturbance environment
Fundamental performance parameter, the degree that evaluation LTE-V2X communication systems are disturbed.In addition, the interference of other universal mobile communication terminals
Method of testing is：Communication link is established in laboratory and the interference source of correlated frequency is set, interference source is set with peak power
Transmitting, test interference source are disturbed to the annoyance level of disturbed terminal eventually through measurement sensitivity difference to evaluate terminal
Degree.
However, DSRC terminal interference tests are set as field testing, need to configure variety classes during actual test
With the interference source of quantity disturbed test is realized in various scenes.Wherein, various scenes here include OBU (On Board
Unit, board units) and RSU (Road Side Unit, roadside unit) with friction speed is mobile, LOS (Line Of Sight,
Line-of-sight transmission) and NLOS (Not Line Of Sight, non-line-of-sight transmission) in the case of different signal route of transmission and interference
Source is positioned at the several scenes such as indoor and outdoor, in-car.Due to scene substantial amounts and combination complexity be present, realize under whole scenes
Test need to spend the testing costs such as substantial amounts of testing time and manpower.Simultaneously, it is contemplated that the interference source in different scenes is same
Sample is influenceed by factors such as path loss, shadow fading and Doppler frequency shifts, can not determine up to receiver interference source whether
Meet standard requirement, influence the validity and accuracy of disturbed test.In addition, the existing experiment for universal mobile communication terminal
Disturbed test method in room can not truly reduce the disturbed test under ITS scenes, not be suitable for the disturbed test of ITS terminals.
Therefore, how to simplify testing process and realize quickly and accurately disturbed test, the technology for turning into urgently to be resolved hurrily is asked
Topic.
The content of the invention
In view of the above problems, it is proposed that the present invention so as to provide one kind overcome above mentioned problem or at least in part solve on
State the air interference method of testing and system of problem.
One side according to embodiments of the present invention, there is provided a kind of air interference method of testing, including：
Build comprising transmitter unit, anechoic chamber, receiving unit, the air interference test system for disturbing unit, wherein, institute
Stating transmitter unit includes the first test equipment, transmitting terminal and the first channel simulator, and the anechoic chamber, includes the first transmitting day
Line, reception antenna and the second transmitting antenna, the receiving unit include the second test equipment and receiving terminal, the interference unit bag
Include jamming equipment and second channel simulator；
One end of the transmitting terminal is connected to first test equipment, the other end is connected to first channel simulation
One end of device；The other end of first channel simulator is accessed to the first transmitting antenna of the anechoic chamber,；Connect described
One end of receiving end is connected to second test equipment, and the other end is connected to the reception antenna of the anechoic chamber,；By described
One end of two channel simulators is connected to the jamming equipment, and the other end accesses the second transmitting antenna of the anechoic chamber,；
When carrying out air interference test, by setting the different parameters of first channel simulator come simulation test frequency
The real channel of different scenes in section, and emulate different scenes by setting the different parameters of the second channel simulator
In interference signal, then pass through second transmitting antenna and access the anechoic chamber, and launch interference signal；
Source test signal, and working as in the test frequency range through first channel simulator simulation, are sent by the transmitting terminal
Preceding channel, and then sent by first transmitting antenna, middle test signal is obtained, wherein, the first test equipment record
The source test signal and the present channel；
The current interference signal that the middle test signal emulates through the second channel simulator is disturbed to obtain target survey
Trial signal, and received by the second transmitting antenna of the anechoic chamber, the receiving terminal is sent to, and be sent to described second and survey
Try equipment；
The source test signal recorded according to first test equipment and the present channel, second test are set
The target detection signal of note and the current interference signal, obtain the communication of the transmitting terminal and the receiving terminal
The system performance parameter of link, and then situation about being disturbed according to the system performance parameter evaluation communication link.
Optionally, be included under anechoic chamber, environment can cadre enrolled among workers for LTE-V2X communication links for air interference test
Test is disturbed, the transmitting terminal includes LTE-V2X terminals, and the receiving terminal includes LTE-V2X terminals.
Optionally, the transmitting terminal includes OBU board units and/or RSU roadside units, and the receiving terminal includes OBU cars
Carrier unit and/or RSU roadside units.
Optionally, the interference source frequency range includes at least one following：
The working frequency range of FSS FSSs；
The working frequency range of FS fixed services；
The working frequency range of WLAN WLANs.
Optionally, by setting the different parameters of first channel simulator come different scenes in simulation test frequency range
Real channel, including：
By set the different parameters of first channel simulator come under different road scenes in simulation test frequency range not
The real channel of same communication distance, different relative velocities；And/or
By set the different parameters of first channel simulator simulate the influence in actual signal transmitting procedure because
Element, the influence factor include at least one of path loss, shadow fading, Doppler frequency shift.
Optionally, believed by setting the different parameters of the second channel simulator to emulate the interference in different scenes
Number, including：
The interference source in different scenes is emulated by reality by setting the different parameters of the second channel simulator
The interference signal of influence factor in signals transmission, the influence factor include path loss, shadow fading, Doppler's frequency
At least one of move.
Optionally, the transmitter unit in the air interference test system, receiving unit and interference unit are positioned at control
In room.
Optionally, methods described also includes：
The jamming power rank of interference signal is set；
The jamming equipment is set to send interference signal with set jamming power rank.
Optionally, the system performance parameter includes at least one following：
Packet loss, the bit error rate, transmission rate, signal to noise ratio.
Optionally, methods described also includes：
In the case where being combined by the jamming equipment with all frequency ranges of the communication link, the system of testing the communication link
Performance, after obtaining the system performance parameter, the channel of the jamming equipment and described logical under selecting system performance worst condition
The channel of letter link combines as worst channel.
Optionally, methods described also includes：
If under different frequency range combination, the system performance testing result of the communication link is identical, then selectes the interference and set
Standby lowest channel and the lowest channel of the communication link combines as the worst channel.
Optionally, methods described also includes：
Under the worst channel combination, the connection of the communication link is kept, the jamming equipment is according to emission maximum
Power, the systematic function of the communication link is tested, obtain the system performance parameter, and record.
Another aspect according to embodiments of the present invention, a kind of air interference test system is additionally provided, including：Transmitting is single
Member, anechoic chamber, receiving unit and interference unit；
The transmitter unit includes the first test equipment, transmitting terminal and the first channel simulator, and the anechoic chamber, includes
First transmitting antenna, reception antenna and the second transmitting antenna, the receiving unit include the second test equipment and receiving terminal；
One end of the transmitting terminal is connected to first test equipment, and the other end is connected to first channel simulator
One end；The other end of first channel simulator accesses the first transmitting antenna of the anechoic chamber,；The receiving terminal
One end is connected to second test equipment, and the other end is connected to the reception antenna of the anechoic chamber,；By the second channel
One end of simulator is connected to the jamming equipment, and the other end accesses the second transmitting antenna of the anechoic chamber,；
When carrying out air interference test, the transmitter unit is by setting the different parameters of first channel simulator
Carry out the real channel of different scenes in simulation test frequency range；The interference unit is by setting the second channel simulator not
Same parameter is done to emulate the interference signal in different scenes, then by second transmitting antenna access anechoic chamber, transmitting
Disturb signal；
Source test signal, and working as in the test frequency range through first channel simulator simulation, are sent by the transmitting terminal
Preceding channel, and then sent by first transmitting antenna, middle test signal is obtained, wherein, the first test equipment record
The source test signal and the present channel；
The current interference signal that the middle test signal emulates through the second channel simulator is disturbed to obtain target survey
Trial signal, and received by the second transmitting antenna of the anechoic chamber, the receiving terminal is sent to, and be sent to described second and survey
Try equipment；
The source test signal recorded according to first test equipment and the present channel, second test are set
The target detection signal of note and the current interference signal, obtain the communication of the transmitting terminal and the receiving terminal
The system performance parameter of link, and then situation about being disturbed according to the system performance parameter evaluation communication link.
Optionally, be included under anechoic chamber, environment can cadre enrolled among workers for LTE-V2X communication links for air interference test
Test is disturbed, the transmitting terminal includes LTE-V2X terminals, and the receiving terminal includes LTE-V2X terminals.
Optionally, the transmitting terminal includes OBU board units and/or RSU roadside units, and the receiving terminal includes OBU cars
Carrier unit and/or RSU roadside units.
Optionally, the interference source frequency range includes at least one following：
The working frequency range of FSS FSSs；
The working frequency range of FS fixed services；
The working frequency range of WLAN WLANs.
Optionally, the transmitter unit is additionally operable to：
By set the different parameters of first channel simulator come under different road scenes in simulation test frequency range not
The real channel of same communication distance, different relative velocities；And/or
By set the different parameters of first channel simulator simulate the influence in actual signal transmitting procedure because
Element, the influence factor include at least one of path loss, shadow fading, Doppler frequency shift.
Optionally, the interference unit is additionally operable to：
The interference source in different scenes is emulated by reality by setting the different parameters of the second channel simulator
The interference signal of influence factor in signals transmission, the influence factor include path loss, shadow fading, Doppler's frequency
At least one of move.
Optionally, the transmitter unit in the air interference test system, receiving unit and interference unit are positioned at control
In room.
Optionally, the jamming equipment is additionally operable to：
Interference signal is sent according to the jamming power rank of setting.
Optionally, the system performance parameter includes at least one following：
Packet loss, the bit error rate, transmission rate, signal to noise ratio.
Optionally, first test equipment or second test equipment are additionally operable to：
In the case where being combined by the jamming equipment with all frequency ranges of the communication link, the system of testing the communication link
Performance, after obtaining the system performance parameter, the channel of the jamming equipment and described logical under selecting system performance worst condition
The channel of letter link combines as worst channel.
Optionally, first test equipment or second test equipment are additionally operable to：
If under different frequency range combination, the system performance testing result of the communication link is identical, then selectes the interference and set
Standby lowest channel and the lowest channel of the communication link combines as the worst channel.
Optionally, first test equipment or second test equipment are additionally operable to：
Under the worst channel combination, the connection of the communication link is kept, the jamming equipment is according to emission maximum
Power, the systematic function of the communication link is tested, obtain the system performance parameter, and record.
The air interference testing scheme that the embodiment of the present invention proposes, realizes and leads under anechoic chamber, environment for LTE-V2X
Believe the adjustable disturbed test of link, build first comprising transmitter unit, anechoic chamber, receiving unit, the air interference for disturbing unit
Test system, and the communication link in air interference test system between each equipment is established, realize anechoic chamber, environment lower half reality
Thing emulates disturbed test.When carrying out air interference test, joined by setting the different of the first channel simulator in transmitter unit
Number carrys out the real channel of different scenes in simulation test frequency range, solve need to spend in common field testing more manpower and when
Between cost the problem of, drastically increase testing efficiency and validity；Secondly, exist in itself for field testing interference source and decline
Situations such as subtracting, declining, the interference signal for reaching disturbed equipment are difficult to quantify, and this programme uses passes through standard in anechoic chamber,
Antenna add different frequency range interference source, effectively shorten the testing time while, improve test accuracy and can degree of reproduction.And
And second channel simulator is configured for interference source, it can simulate without real interference signal characteristic in scene, realize accurate and join
The adjustable interference source signal of number.Meanwhile added in the case where the first channel simulator and second channel simulator be present different
Interference source, the disturbed condition that can truly reflect in actual scene, solve existing laboratory disturbed test and be difficult to be applied to
It is the problem of ITS systems, final to realize quick, accurate test.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the flow chart of air interference method of testing according to an embodiment of the invention；
Fig. 2 shows the schematic diagram of air interference test system according to an embodiment of the invention；And
Fig. 3 shows according to an embodiment of the invention adjustable for LTE-V2X communication links under anechoic chamber, environment
The system schematic of disturbed test.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
In the prior art, ITS terminals outfield disturbed test method, Essential Environment data, measure ambient noise are collected first
Level；Measure ITS terminal basic performance indices；Installation jamming equipment simultaneously measures basic performance indices；According to predetermined scheme, not
With in scene, disturbed equipment basic performance in the case of measurement jamming equipment is present；Ultimate analysis measurement data.In addition, laboratory
Disturbed test method is the changing value of disturbed device sensitivity in the case of measurement interference source is present.Specifically, it is determined that test frequency
Section；Jamming equipment is established in the currently connection in test frequency range；Jamming equipment is measured respectively to be under free time and mode of operation, by
Disturb the sensitivity of equipment；Its degree being disturbed is evaluated by change of sensitivity amount.
Inventor has found that it is substantially insufficient that existing disturbed test technology has following both sides：First, disturb and survey in outfield
In method for testing, different test scenes need to be configured, and in different test scenes, retest is repeated, when expending substantial amounts of
Between, the testing cost such as human and material resources, and test result reproducibility is poor, it is difficult to carries out data analysis.Secondly, testing
In room disturbed test method, it is impossible to reduce true ITS road scenes, test result is difficult to reflect the disturbed of true ITS systems
Situation, while test result lacks reliability and repeatability.
In order to solve the above technical problems, the embodiment of the present invention proposes a kind of air interference method of testing, Fig. 1 shows basis
The flow chart of the air interference method of testing of one embodiment of the invention.Referring to Fig. 1, the air interference method of testing can include with
Lower step S102 to step S106.
Step S102, build comprising transmitter unit, anechoic chamber, receiving unit, the air interference test system for disturbing unit
System, wherein, transmitter unit includes the first test equipment, transmitting terminal and the first channel simulator, and anechoic chamber, includes the first transmitting
Antenna, reception antenna and the second transmitting antenna, receiving unit include the second test equipment and receiving terminal, and interference unit includes interference
Equipment and second channel simulator.
Step S104, one end of transmitting terminal is connected to the first test equipment, the other end is connected to the first channel simulator
One end；The other end of first channel simulator is accessed to the first transmitting antenna of anechoic chamber,；One end of receiving terminal is connected
To the second test equipment, the other end is connected to the reception antenna of anechoic chamber,；One end of second channel simulator is connected to dry
Equipment is disturbed, the other end accesses the second transmitting antenna of anechoic chamber,.
Step S106, when carrying out air interference test, simulated by setting the different parameters of the first channel simulator
Test the real channel of different scenes in frequency range；Source test signal is sent by transmitting terminal, and through the simulation of the first channel simulator
The present channel tested in frequency range, and then sent by the first transmitting antenna, middle test signal is obtained, wherein, the first test is set
Note source test signal and present channel；The current interference signal interference that middle test signal emulates through second channel simulator
Target detection signal is obtained, and is received by the second transmitting antenna of anechoic chamber, is sent to receiving terminal, and be sent to the second test
Equipment；The target detection that source test signal and present channel, the second test equipment recorded according to the first test equipment records is believed
Number and current interference signal, obtain the system performance parameter of the communication link of transmitting terminal and receiving terminal, and then according to systematicness
The situation that energy parameter evaluating communication link is disturbed.
The air interference testing scheme that the embodiment of the present invention proposes, realizes and leads under anechoic chamber, environment for LTE-V2X
Believe the adjustable disturbed test of link, build first comprising transmitter unit, anechoic chamber, receiving unit, the air interference for disturbing unit
Test system, and the communication link in air interference test system between each equipment is established, realize anechoic chamber, environment lower half reality
Thing emulates disturbed test.When carrying out air interference test, joined by setting the different of the first channel simulator in transmitter unit
Number carrys out the real channel of different scenes in simulation test frequency range, solve need to spend in common field testing more manpower and when
Between cost the problem of, drastically increase testing efficiency and validity；Secondly, exist in itself for field testing interference source and decline
Situations such as subtracting, declining, the interference signal for reaching disturbed equipment are difficult to quantify, and this programme uses passes through standard in anechoic chamber,
Antenna add different frequency range interference source, effectively shorten the testing time while, improve test accuracy and can degree of reproduction.And
And second channel simulator is configured for interference source, it can simulate without real interference signal characteristic in scene, realize accurate and join
The adjustable interference source signal of number.Meanwhile added in the case where the first channel simulator and second channel simulator be present different
Interference source, the disturbed condition that can truly reflect in actual scene, solve existing laboratory disturbed test and be difficult to be applied to
It is the problem of ITS systems, final to realize quick, accurate test.
Communication between air interference test system and each equipment of foundation that above step S102 and step S104 are built
Link, it is shown in Figure 2.In fig. 2, air interference test system can include transmitter unit 210, anechoic chamber, 220, receive
Unit 230 and interference unit 240, transmitter unit 210 include the first test equipment, transmitting terminal and the first channel simulator, electricity
Ripple darkroom 220 includes the first transmitting antenna (TX antennas), reception antenna (RX antennas) and the second transmitting antenna (TX antennas), receives
Unit 230 includes the second test equipment and receiving terminal, and interference unit 240 includes jamming equipment and second channel simulator.
Further, one end of transmitting terminal is connected to the first test equipment, and the other end is connected to the first channel simulator
One end；First transmitting antenna of the other end access anechoic chamber, 220 of the first channel simulator；One end of receiving terminal is connected to
Two test equipments, the other end are connected to the reception antenna of anechoic chamber, 220；Disturb the second channel simulator in unit 240
One end is connected to jamming equipment, and the other end accesses the second transmitting antenna of anechoic chamber, 220.
In the alternative embodiment of the present invention, air interference test mentioned above includes being based on pin under anechoic chamber, environment
HWIL simulation disturbed test to LTE-V2X terminals, transmitting terminal can include LTE-V2X terminals, and receiving terminal can include
LTE-V2X terminals.Further, transmitting terminal can include OBU board units and/or RSU roadside units, and receiving terminal can include
OBU board units and/or RSU roadside units, not limited to this of the embodiment of the present invention.
As introduced above, ITS working frequency range is 5850MHz-5925MHz, therefore the embodiment of the present invention mainly tests FSS
(Fixed Satellite Service, FSS), FS (Fixed Service, fixed service) and WLAN
(Wireless Local Area Network, WLAN) is to its disturbed condition.Specifically, carried in above step S104
And interference source frequency range can be FSS, FS or WLAN working frequency range, here, FSS working frequency range is 5850MHz-
6425MHz, FS working frequency range are 5925MHz-6425MHz, and WLAN working frequency range is 5725MHz-5850MHz.
Further, when choosing the different channels of disturbance source frequency range, FSS can choose the channel that frequency range is 2MHz,
Such as since 5906MHz, every 2MHz as a channel, i.e., (5906MHz, 5908MHz), (5908MHz, 5910MHz),
(5910MHz, 5912MHz), (5912MHz, 5914MHz), (5914MHz, 5916MHz), (5916MHz, 5918MHz),
(5918MHz, 5920MHz), (5920MHz, 5922MHz), (5922MHz, 5924MHz) are, it is necessary to which explanation, illustrates herein
Channel is only example, the embodiment of the present invention is not limited.Similarly, FS can choose the channel that frequency range is 40MHz,
Such as since 5945MHz, every 40MHz as a channel；WLAN can choose frequency range be 20MHz channel, such as from
5745MHz starts, every 20MHz as a channel.It is only illustrative, was testing it should be noted that enumerate herein
Cheng Zhong, interference channel can be chosen according to the actual requirements.
By setting the different parameters of the first channel simulator come different fields in simulation test frequency range in above step S106
The real channel of scape, in this scenario, can be by setting the first channel the embodiments of the invention provide a kind of optional scheme
The different parameters of simulator come in simulation test frequency range different communication distance under different road scenes, different relative velocities it is true
Channel；Can also by set the first channel simulator different parameters come simulate the influence in actual signal transmitting procedure because
Element, influence factor here can include path loss, shadow fading, Doppler frequency shift etc.；The letter of setting first can also be passed through
The different parameters of road simulator come in simulation test frequency range simultaneously different communication distance, different relative velocities under different road scenes
And the influence factor in actual signal transmitting procedure.For example, the parameter by setting the first channel simulator, can be simulated
OBU and RSU is with the channel of signal route of transmission different in the case of friction speed movement, LOS and NLOS different scenes.
Interference in above step S106 by setting the different parameters of second channel simulator to emulate in different scenes
Signal, the embodiments of the invention provide a kind of optional scheme, in this scenario, by the difference for setting second channel simulator
Parameter emulates interference signal of the interference source in different scenes by the influence factor in actual signal transmitting procedure, here
Influence factor can include path loss, shadow fading, Doppler frequency shift etc..
In the alternative embodiment of the present invention, transmitter unit, receiving unit and interference in air interference test system
Unit can be located at same control room in, can also be located at different control rooms in, for example, by transmitter unit, receiving unit with
And interference unit is individually positioned in different control rooms, etc..
In the alternative embodiment of the present invention, the jamming power rank of interference signal can also be set, make jamming equipment with
Set jamming power rank sends interference signal, for example, it is highest level that can set jamming power rank, sets interference
It is standby that interference signal is sent with maximum transmission power.
In above step S106, in the source test signal and present channel recorded according to the first test equipment, the second test
The target detection signal of equipment record and current interference signal, obtain the systematic function of the communication link of transmitting terminal and receiving terminal
Parameter, system performance parameter here can include packet loss, the bit error rate, transmission rate, signal to noise ratio etc., the invention is not restricted to
This.Further, the embodiment of the present invention is in the case where jamming equipment combines with all frequency ranges of communication link, the system for testing communication link
Performance, obtain system performance parameter.
In the alternative embodiment of the present invention, in the case where being combined by jamming equipment with all frequency ranges of communication link, test is logical
Believe the systematic function of link, after obtaining system performance parameter, the channel of jamming equipment and logical under selecting system performance worst condition
The channel of letter link combines as worst channel.If under different frequency range combination, the system performance testing result of communication link is identical,
Then select the lowest channel of jamming equipment and the lowest channel of communication link combines as worst channel.
Further, under the combination of worst channel, the connection of communication link is kept, jamming equipment is according to emission maximum work(
Rate, the systematic function of communication link is tested, obtain system performance parameter, and record.
A variety of implementations of the links of embodiment illustrated in fig. 1 are described above, specific embodiment will be passed through below
The implementation process of the air interference method of testing of the present invention is discussed in detail.
In a particular embodiment of the present invention, air interference test is that LTE-V2X terminals are directed under anechoic chamber, environment
HWIL simulation disturbed test, transmitting terminal is OBU board units and/or RSU roadside units, and receiving terminal is OBU board units
And/or RSU roadside units.The embodiment of the present invention is using the HWIL simulation that LTE-V2X terminals are directed under anechoic chamber, environment
Disturbed test scheme, concrete scheme comprise the following steps a) to step h).
Control room is moved to a) disturbed equipment to be carried out to time synchronized out of doors after, disturbed equipment here includes transmitting
End and receiving terminal.
B) the first test equipment, transmitting terminal, the second test equipment and receiving terminal are calibrated, builds air interference survey
Test system simultaneously establishes communication link.
In this step, as shown in figure 3, in the test system, the first test is set the air interference test system built
Standby, transmitting terminal OBU/RSU and the first channel simulator composition transmitter unit 310, anechoic chamber, 320 include the first transmitting antenna
(TX antennas), reception antenna (RX antennas) and the second transmitting antenna (TX antennas), the second test equipment and receiving terminal OBU/RSU groups
Into receiving unit 330, jamming equipment and second channel simulator composition interference unit 340.
Further, transmitting terminal OBU/RSU one end is connected to the first test equipment, the other end is connected to the first channel
One end of simulator；The other end of first channel simulator is accessed to the first transmitting antenna of anechoic chamber, 320；By receiving terminal
OBU/RSU one end is connected to the second test equipment, and the other end is connected to the reception antenna of anechoic chamber, 320；By second channel
One end of simulator is connected to jamming equipment, and the other end accesses the second transmitting antenna of anechoic chamber, 320.WLAN/FSS/FS is
Interference source, sent from jamming equipment, and doing in different scenes is emulated by setting the different parameters of second channel simulator
Signal is disturbed, then anechoic chamber, 320 is accessed by the second transmitting antenna and launches interference signal.
C) parameter such as the communication mode in LTE-V2X system performance requirements, coverage and car speed, the is set
The parameters such as the loss of parameter simulation respective paths and decline of one channel simulator.
In this step, can be by setting the different parameters of the first channel simulator come not people having a common goal in simulation test frequency range
Different communication distance, the real channel of different relative velocities under the scene of road；Can also be by setting the first channel simulator not
Same parameter simulates the influence factor in actual signal transmitting procedure, and influence factor here can include path loss, shade
Decline, Doppler frequency shift etc.；Can also be by setting the different parameters of the first channel simulator come in simulation test frequency range simultaneously
Influence factor under different road scenes in different communication distance, different relative velocities and actual signal transmitting procedure.For example,
By setting the parameter of the first channel simulator, OBU and RSU can be simulated with friction speed movement, LOS and NLOS different scenes
In the case of different signal route of transmission channel.
D) jamming equipment is adjusted to maximum transmission power, launches interference signal in the lowest channel of interference source present frequency range.
Using V2V and V2I communication links as disturbed link, it is tested frequency range and is divided into high and low channel or unique channel.In jamming equipment and
Under disturbed all frequency range combinations of link, the systematic function of V2V communication links or V2I communication links is tested.
In this step, test data can be sent by the first test equipment, and then source is sent by transmitting terminal OBU/RSU and surveyed
Trial signal, and the present channel in the test frequency range through the simulation of the first channel simulator, and then sent by the first transmitting antenna, obtain
To middle test signal, wherein, the first test equipment record source test signal and present channel；Middle test signal is through the second letter
The current interference signal of road simulator emulation is disturbed to obtain target detection signal, and by the second transmitting antenna of anechoic chamber, 320
Receive, be sent to receiving terminal OBU/RSU, and be sent to the second test equipment；Letter is tested in the source recorded according to the first test equipment
Number and present channel, the second test equipment record target detection signal and current interference signal, obtain transmitting terminal OBU/RSU
With the system performance parameter of receiving terminal OBU/RSU communication link, and then communication link is evaluated by dry according to system performance parameter
Situation about disturbing.
If e) OBU and RSU bandwidth of operation is 10MHz, respectively in the two low and high channels of currently test frequency range
Test the communication link system basic performance., can be in currently test frequency range if OBU and RSU bandwidth of operation is 20MHz
Unique channel test the basic performance of the communication link.
F) jamming equipment launches interference signal in the highest channel of interference source present frequency range with maximum transmission power, repeats to walk
It is rapid e).
G) by the jamming equipment channel under LTE-V2X systematic function worst conditions in step d)-step f) and disturbed chain
The channel on road elects worst channel combination as.If it is identical that communication link system test result is disturbed under different situations, select dry
The lowest channel of equipment and the lowest channel of disturbed communication link is disturbed to combine for worst channel.
H) under the worst channel combination, the connection of disturbed communication link is kept, jamming equipment is according to peak power
Transmitting, tests the basic performance of disturbed communication link, and records result；If disturbed communication link supports multiple scenes,
It should also be tested under several scenes according to step a) to step h).
This programme proposes to set the test of the first channel simulator simulating realistic ITS signals route of transmission in anechoic chamber,
Method.As shown in step b), by the emulation of the first channel simulator, real road propagates spy in ITS systems in anechoic chamber,
Property, avoid and different scenes are directed in actual test, substantial amounts of test job in the case of configuration disturbance source, greatly contracting
The short testing time, reduce difficulty of test, and make test job be easy to reappear.
Secondly, this programme launches interference signal by standard antenna addition interference sources in darkroom in different channels,
As shown in step d) and step f), solve outfield disturbed test interference source and be difficult to the difficulty that quantitative and disturbed test is difficult to reappear
Topic, improve test accuracy and can degree of reproduction, it is final to realize quick, accurate test.And it is the letter of interference signal configuration second
Road emulator, as shown in step b), improve test accuracy and can degree of reproduction, it is final to realize quick, accurate test.
It should be noted that in practical application, above-mentioned all optional embodiments can be any group by the way of combining
Close, form the alternative embodiment of the present invention, this is no longer going to repeat them.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of air interference test system, can such as Fig. 2 or
Shown in Fig. 3., can be by transmitter unit 210 by setting the first channel simulation when carrying out air interference test by taking Fig. 2 as an example
The different parameters of device carry out the real channel of different scenes in simulation test frequency range.Specifically, transmitter unit 210 can pass through setting
The different parameters of first channel simulator carry out in simulation test frequency range different communication distance under different road scenes, different relatively fast
The real channel of degree；It can also be simulated by setting the different parameters of the first channel simulator in actual signal transmitting procedure
Influence factor, influence factor here can include path loss, shadow fading, Doppler frequency shift etc.；Setting can also be passed through
The different parameters of first channel simulator come in simulation test frequency range simultaneously different communication distance, different phases under different road scenes
To the influence factor in speed and actual signal transmitting procedure.For example, the parameter by setting the first channel simulator, can be with
OBU and RSU is simulated with the channel of signal route of transmission different in the case of friction speed movement, LOS and NLOS different scenes.This
In, the different parameters of the first channel simulator can be set by the first test equipment input parameter in transmitter unit 210,
One or more parts on the first channel simulator can directly be adjusted to set different parameters.
In addition, when carrying out air interference test, can also be by interference unit 240 by setting second channel simulator
Different parameters emulate interference signal of the interference source in different scenes by the influence factor in actual signal transmitting procedure, this
In influence factor can include path loss, shadow fading, Doppler frequency shift etc., the invention is not restricted to this.
Further, source test signal and present channel, the second test equipment recorded according to the first test equipment records
Target detection signal and current interference signal, the system performance parameter of the communication link of transmitting terminal and receiving terminal is obtained, and then
Situation about being disturbed according to system performance parameter evaluation communication link, can be realized by the first test equipment, can also be by second
Test equipment realizes that the embodiment of the present invention is not restricted to this.
In the alternative embodiment of the present invention, the first test equipment or the second test equipment are additionally operable to：
In the case where being combined by jamming equipment with all frequency ranges of communication link, the systematic function of communication link is tested, is
After performance parameter of uniting, the channel of jamming equipment and the channel of communication link are as worst channel under selecting system performance worst condition
Combination.
In the alternative embodiment of the present invention, the first test equipment or the second test equipment are additionally operable to：
If under different frequency range combination, the system performance testing result of communication link is identical, then selectes the minimum of jamming equipment
The lowest channel of channel and communication link combines as worst channel.
In the alternative embodiment of the present invention, the first test equipment or the second test equipment are additionally operable to：
Under the combination of worst channel, the connection of communication link is kept, jamming equipment is according to maximum transmission power, test communication
The systematic function of link, system performance parameter is obtained, and recorded.
According to the combination of any one above-mentioned alternative embodiment or multiple alternative embodiments, the embodiment of the present invention can reach
Following beneficial effect：
Disturbed test method and system under the anechoic chamber, of the embodiment of the present invention, it is possible to increase testing efficiency, reduce and survey
Resources costs are tried, overcome in field testing method that time-consuming, the high deficiency of resources costs.Also, LTE-V2X transmitting terminals configuration the
One channel simulator, in the disturbed test of laboratory, actual test scene V2V links and V2I link conditions are simulated, improves test
As a result accuracy and repeatability, and greatly reduce testing scheme and realize difficulty and testing time.Meanwhile in anechoic chamber,
Interior configuration disturbance source, and second channel simulator is configured for interference source, realize that interference signal parameters are adjustable, greatly lifted
Testing efficiency, while the accuracy and reproducibility for ensureing to test using standard antenna.
In the specification that this place provides, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description to the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The application claims of shield features more more than the feature being expressly recited in each claim.It is more precisely, such as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following embodiment are expressly incorporated in the embodiment, wherein each claim is in itself
Separate embodiments all as the present invention.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more equipment different from the embodiment.Can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it can use any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit requires, summary and accompanying drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
Replace.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of different embodiments means in of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Mode it can use in any combination.
The all parts embodiment of the present invention can be realized with hardware, or to be run on one or more processor
Software module realize, or realized with combinations thereof.It will be understood by those of skill in the art that it can use in practice
Microprocessor or digital signal processor (DSP) realize one in air interference test system according to embodiments of the present invention
The some or all functions of a little or whole parts.The present invention is also implemented as performing method as described herein
Some or all equipment or program of device (for example, computer program and computer program product).Such realization
The program of the present invention can store on a computer-readable medium, or can have the form of one or more signal.This
The signal of sample can be downloaded from internet website and obtained, and either provided on carrier signal or carried in the form of any other
For.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of some different elements and being come by means of properly programmed computer real
It is existing.In if the unit claim of equipment for drying is listed, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (24)
- A kind of 1. air interference method of testing, it is characterised in that including：Build comprising transmitter unit, anechoic chamber, receiving unit, the air interference test system for disturbing unit, wherein, the hair Penetrating unit includes the first test equipment, transmitting terminal and the first channel simulator, and the anechoic chamber, includes the first transmitting antenna, connect Antenna and the second transmitting antenna are received, the receiving unit includes the second test equipment and receiving terminal, and the interference unit includes dry Disturb equipment and second channel simulator；One end of the transmitting terminal is connected to first test equipment, the other end is connected to first channel simulator One end；The other end of first channel simulator is accessed to the first transmitting antenna of the anechoic chamber,；By the receiving terminal One end be connected to second test equipment, the other end is connected to the reception antenna of the anechoic chamber,；Described second is believed One end of road simulator is connected to the jamming equipment, and the other end accesses the second transmitting antenna of the anechoic chamber,；When carrying out air interference test, by setting the different parameters of first channel simulator come in simulation test frequency range The real channel of different scenes, and emulated by setting the different parameters of the second channel simulator in different scenes Interference signal, then the anechoic chamber, is accessed by second transmitting antenna and launches interference signal；Source test signal, and the current letter in the test frequency range through first channel simulator simulation are sent by the transmitting terminal Road, and then sent by first transmitting antenna, middle test signal is obtained, wherein, described in the first test equipment record Source test signal and the present channel；The current interference signal that the middle test signal emulates through the second channel simulator is disturbed to obtain target detection letter Number, and received by the second transmitting antenna of the anechoic chamber, the receiving terminal is sent to, and be sent to second test and set It is standby；The source test signal recorded according to first test equipment and the present channel, second test equipment note The target detection signal of record and the current interference signal, obtain the communication link of the transmitting terminal and the receiving terminal System performance parameter, and then the situation that the communication link is disturbed is evaluated according to the system performance parameter.
- 2. air interference method of testing according to claim 1, it is characterised in that the air interference test is included in electricity The adjustable disturbed test of LTE-V2X communication links is directed under ripple dark room conditions, the transmitting terminal includes LTE-V2X terminals, described to connect Receiving end includes LTE-V2X terminals.
- 3. air interference method of testing according to claim 2, it is characterised in that the transmitting terminal includes the vehicle-mounted lists of OBU Member and/or RSU roadside units, the receiving terminal include OBU board units and/or RSU roadside units.
- 4. air interference method of testing according to claim 2, it is characterised in that the interference source frequency range include it is following extremely It is one of few：The working frequency range of FSS FSSs；The working frequency range of FS fixed services；The working frequency range of WLAN WLANs.
- 5. air interference method of testing according to claim 2, it is characterised in that by setting first channel simulation The different parameters of device carry out the real channel of different scenes in simulation test frequency range, including：By setting the different parameters of first channel simulator come different logical under different road scenes in simulation test frequency range The real channel of communication distance, different relative velocities；And/orThe influence factor in actual signal transmitting procedure, institute are simulated by setting the different parameters of first channel simulator Stating influence factor includes at least one of path loss, shadow fading, Doppler frequency shift.
- 6. air interference method of testing according to claim 2, it is characterised in that simulated by setting the second channel The different parameters of device emulate the interference signal in different scenes, including：The interference source in different scenes is emulated by actual signal by setting the different parameters of the second channel simulator The interference signal of influence factor in transmitting procedure, the influence factor are included in path loss, shadow fading, Doppler frequency shift At least one of.
- 7. air interference method of testing according to claim 1, it is characterised in that in the air interference test system Transmitter unit, receiving unit and interference unit are located in control room.
- 8. air interference method of testing according to claim 1, it is characterised in that also include：The jamming power rank of interference signal is set；The jamming equipment is set to send interference signal with set jamming power rank.
- 9. air interference method of testing according to claim 1, it is characterised in that the system performance parameter includes following At least one：Packet loss, the bit error rate, transmission rate, signal to noise ratio.
- 10. air interference method of testing according to claim 1, it is characterised in that also include：In the case where being combined by the jamming equipment with all frequency ranges of the communication link, the systematicness of the communication link is tested Can, after obtaining the system performance parameter, the channel of the jamming equipment and the communication under selecting system performance worst condition The channel of link combines as worst channel.
- 11. air interference method of testing according to claim 10, it is characterised in that also include：If under different frequency range combination, the system performance testing result of the communication link is identical, then selectes the jamming equipment Lowest channel and the lowest channel of the communication link combine as the worst channel.
- 12. the air interference method of testing according to claim 10 or 11, it is characterised in that also include：Under the worst channel combination, keep the connection of the communication link, the jamming equipment according to maximum transmission power, The systematic function of the communication link is tested, obtains the system performance parameter, and record.
- A kind of 13. air interference test system, it is characterised in that including：Transmitter unit, anechoic chamber, receiving unit and dry Disturb unit；The transmitter unit includes the first test equipment, transmitting terminal and the first channel simulator, and the anechoic chamber, includes first Transmitting antenna, reception antenna and the second transmitting antenna, the receiving unit include the second test equipment and receiving terminal；One end of the transmitting terminal is connected to first test equipment, and the other end is connected to the one of first channel simulator End；The other end of first channel simulator accesses the first transmitting antenna of the anechoic chamber,；One end of the receiving terminal Second test equipment is connected to, the other end is connected to the reception antenna of the anechoic chamber,；The second channel is simulated One end of device is connected to the jamming equipment, and the other end accesses the second transmitting antenna of the anechoic chamber,；When carrying out air interference test, the transmitter unit is by setting the different parameters of first channel simulator come mould Intend the real channel of different scenes in test frequency range；The interference unit is joined by setting the different of the second channel simulator Number accesses the anechoic chamber, transmitting interference letter to emulate the interference signal in different scenes, then by second transmitting antenna Number；Source test signal, and the current letter in the test frequency range through first channel simulator simulation are sent by the transmitting terminal Road, and then sent by first transmitting antenna, middle test signal is obtained, wherein, described in the first test equipment record Source test signal and the present channel；The current interference signal that the middle test signal emulates through the second channel simulator is disturbed to obtain target detection letter Number, and received by the second transmitting antenna of the anechoic chamber, the receiving terminal is sent to, and be sent to second test and set It is standby；The source test signal recorded according to first test equipment and the present channel, second test equipment note The target detection signal of record and the current interference signal, obtain the communication link of the transmitting terminal and the receiving terminal System performance parameter, and then the situation that the communication link is disturbed is evaluated according to the system performance parameter.
- 14. air interference test system according to claim 13, it is characterised in that the air interference test is included in The adjustable disturbed test of LTE-V2X communication links is directed under anechoic chamber, environment, the transmitting terminal includes LTE-V2X terminals, described Receiving terminal includes LTE-V2X terminals.
- 15. air interference test system according to claim 14, it is characterised in that it is vehicle-mounted that the transmitting terminal includes OBU Unit and/or RSU roadside units, the receiving terminal include OBU board units and/or RSU roadside units.
- 16. air interference test system according to claim 14, it is characterised in that the interference source frequency range includes following At least one：The working frequency range of FSS FSSs；The working frequency range of FS fixed services；The working frequency range of WLAN WLANs.
- 17. air interference test system according to claim 14, it is characterised in that the transmitter unit is additionally operable to：By setting the different parameters of first channel simulator come different logical under different road scenes in simulation test frequency range The real channel of communication distance, different relative velocities；And/orThe influence factor in actual signal transmitting procedure, institute are simulated by setting the different parameters of first channel simulator Stating influence factor includes at least one of path loss, shadow fading, Doppler frequency shift.
- 18. air interference test system according to claim 14, it is characterised in that the interference unit is additionally operable to：The interference source in different scenes is emulated by actual signal by setting the different parameters of the second channel simulator The interference signal of influence factor in transmitting procedure, the influence factor are included in path loss, shadow fading, Doppler frequency shift At least one of.
- 19. air interference test system according to claim 13, it is characterised in that in the air interference test system Transmitter unit, receiving unit and interference unit be located in control room.
- 20. air interference test system according to claim 13, it is characterised in that the jamming equipment is additionally operable to：Interference signal is sent according to the jamming power rank of setting.
- 21. air interference test system according to claim 13, it is characterised in that under the system performance parameter includes At least one row：Packet loss, the bit error rate, transmission rate, signal to noise ratio.
- 22. air interference test system according to claim 13, it is characterised in that first test equipment or described Second test equipment is additionally operable to：In the case where being combined by the jamming equipment with all frequency ranges of the communication link, the systematicness of the communication link is tested Can, after obtaining the system performance parameter, the channel of the jamming equipment and the communication under selecting system performance worst condition The channel of link combines as worst channel.
- 23. air interference test system according to claim 22, it is characterised in that first test equipment or described Second test equipment is additionally operable to：If under different frequency range combination, the system performance testing result of the communication link is identical, then selectes the jamming equipment Lowest channel and the lowest channel of the communication link combine as the worst channel.
- 24. the air interference test system according to claim 22 or 23, it is characterised in that first test equipment or Second test equipment is additionally operable to：Under the worst channel combination, keep the connection of the communication link, the jamming equipment according to maximum transmission power, The systematic function of the communication link is tested, obtains the system performance parameter, and record.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150367A (en) * | 2018-06-21 | 2019-01-04 | 中国科学院信息工程研究所 | The wireless signal leakage guard method of important place and device |
| CN110350988A (en) * | 2019-07-30 | 2019-10-18 | 中国信息通信研究院 | The OTA Performance Test System of intelligent wearable device under disturbed condition |
| CN110429990A (en) * | 2019-07-08 | 2019-11-08 | 北京汽车股份有限公司 | The EMC testing method and equipment of vehicle-mounted T-Box |
| CN110554618A (en) * | 2019-10-10 | 2019-12-10 | 西安电子工程研究所 | communication system simulation method based on radar darkroom |
| CN110972175A (en) * | 2018-09-29 | 2020-04-07 | 中国移动通信集团终端有限公司 | Method, apparatus, device and medium for testing wireless connection performance |
| CN110967569A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Test system and vehicle test method |
| CN111405529A (en) * | 2020-04-30 | 2020-07-10 | 重庆车辆检测研究院有限公司 | Test system and method for V2X efficiency application |
| CN111586639A (en) * | 2020-04-30 | 2020-08-25 | 重庆车辆检测研究院有限公司 | V2X node indoor scale evaluation system based on comprehensive tester |
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| CN112073938A (en) * | 2020-08-04 | 2020-12-11 | 中汽研汽车检验中心（天津）有限公司 | Simulation design method for Internet of vehicles in laboratory |
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| CN112532330A (en) * | 2019-09-18 | 2021-03-19 | 中兴通讯股份有限公司 | Interference simulation system, method and device, interference test system, method and device |
| CN112653527A (en) * | 2020-11-27 | 2021-04-13 | 中国航天标准化研究所 | Automatic testing equipment and method for remote sensing satellite data transmission product |
| CN113242100A (en) * | 2020-01-22 | 2021-08-10 | 深圳市通用测试系统有限公司 | C-V2X wireless performance test method and system for wireless module in vehicle |
| CN113835020A (en) * | 2021-09-23 | 2021-12-24 | 张衡 | Digital-analog mixed signal integrated circuit testing instrument |
| CN114157373A (en) * | 2021-12-06 | 2022-03-08 | 上海中铁通信信号测试有限公司 | Rail transit wireless communication interference test method and device |
| CN114826457A (en) * | 2021-01-27 | 2022-07-29 | 华为技术有限公司 | Channel simulation method, device, system, apparatus and computer readable storage medium |
| CN114866449A (en) * | 2022-04-29 | 2022-08-05 | 重庆长安汽车股份有限公司 | Finished automobile wireless communication test system and test method thereof |
| CN115134841A (en) * | 2022-06-20 | 2022-09-30 | 中国联合网络通信集团有限公司 | Uplink simulation method, device and equipment for flexible frame structure system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500254A (en) * | 2008-01-31 | 2009-08-05 | 中国移动通信集团公司 | Smart antenna performance test method, apparatus and system |
| US20110084887A1 (en) * | 2009-10-09 | 2011-04-14 | Mow Matt A | System for testing multi-antenna devices |
| CN104618034A (en) * | 2014-09-05 | 2015-05-13 | 深圳电信研究院 | Automatic test system, device and method for mobile terminal radio frequency consistency |
| CN104917577A (en) * | 2015-06-11 | 2015-09-16 | 陈奕铭 | Darkroom multi-probe test system for performance of MIMO wireless terminal |
| CN105182370A (en) * | 2015-06-25 | 2015-12-23 | 工业和信息化部电信研究院 | Beidou equipment inter-module electromagnetic interference test method |
-
2017
- 2017-10-30 CN CN201711036391.2A patent/CN107809288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500254A (en) * | 2008-01-31 | 2009-08-05 | 中国移动通信集团公司 | Smart antenna performance test method, apparatus and system |
| US20110084887A1 (en) * | 2009-10-09 | 2011-04-14 | Mow Matt A | System for testing multi-antenna devices |
| CN104618034A (en) * | 2014-09-05 | 2015-05-13 | 深圳电信研究院 | Automatic test system, device and method for mobile terminal radio frequency consistency |
| CN104917577A (en) * | 2015-06-11 | 2015-09-16 | 陈奕铭 | Darkroom multi-probe test system for performance of MIMO wireless terminal |
| CN105182370A (en) * | 2015-06-25 | 2015-12-23 | 工业和信息化部电信研究院 | Beidou equipment inter-module electromagnetic interference test method |
Non-Patent Citations (2)
| Title |
|---|
| 张丽云: "LTE终端天线设计及测试浅析", 《移动通信》 * |
| 张亚萍等: "V2X测试环境搭建研究与分析", 《汽车工业研究》 * |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150367A (en) * | 2018-06-21 | 2019-01-04 | 中国科学院信息工程研究所 | The wireless signal leakage guard method of important place and device |
| CN110972175B (en) * | 2018-09-29 | 2023-04-18 | 中国移动通信集团终端有限公司 | Method, apparatus, device and medium for testing wireless connection performance |
| CN110972175A (en) * | 2018-09-29 | 2020-04-07 | 中国移动通信集团终端有限公司 | Method, apparatus, device and medium for testing wireless connection performance |
| CN110967569B (en) * | 2018-09-30 | 2021-12-21 | 上海汽车集团股份有限公司 | Test system and vehicle test method |
| CN110967569A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Test system and vehicle test method |
| CN110429990A (en) * | 2019-07-08 | 2019-11-08 | 北京汽车股份有限公司 | The EMC testing method and equipment of vehicle-mounted T-Box |
| CN110350988B (en) * | 2019-07-30 | 2022-02-25 | 中国信息通信研究院 | OTA performance test system of intelligent wearable equipment under interference condition |
| CN110350988A (en) * | 2019-07-30 | 2019-10-18 | 中国信息通信研究院 | The OTA Performance Test System of intelligent wearable device under disturbed condition |
| CN112532330A (en) * | 2019-09-18 | 2021-03-19 | 中兴通讯股份有限公司 | Interference simulation system, method and device, interference test system, method and device |
| WO2021052075A1 (en) * | 2019-09-18 | 2021-03-25 | 中兴通讯股份有限公司 | Interference simulation system, method and apparatus, interference test system, method and apparatus, and computer readable storage medium |
| CN110554618A (en) * | 2019-10-10 | 2019-12-10 | 西安电子工程研究所 | communication system simulation method based on radar darkroom |
| CN110554618B (en) * | 2019-10-10 | 2022-06-21 | 西安电子工程研究所 | Communication system simulation method based on radar darkroom |
| CN113242100A (en) * | 2020-01-22 | 2021-08-10 | 深圳市通用测试系统有限公司 | C-V2X wireless performance test method and system for wireless module in vehicle |
| CN111586639A (en) * | 2020-04-30 | 2020-08-25 | 重庆车辆检测研究院有限公司 | V2X node indoor scale evaluation system based on comprehensive tester |
| CN111586639B (en) * | 2020-04-30 | 2022-07-12 | 招商局检测车辆技术研究院有限公司 | V2X node indoor scale evaluation system based on comprehensive tester |
| CN111405529B (en) * | 2020-04-30 | 2023-02-10 | 招商局检测车辆技术研究院有限公司 | Test system and method for V2X efficiency application |
| CN111405529A (en) * | 2020-04-30 | 2020-07-10 | 重庆车辆检测研究院有限公司 | Test system and method for V2X efficiency application |
| CN111586634A (en) * | 2020-05-23 | 2020-08-25 | 重庆大学 | V2X external field test scene mapping method, test method and test system |
| CN112073938A (en) * | 2020-08-04 | 2020-12-11 | 中汽研汽车检验中心（天津）有限公司 | Simulation design method for Internet of vehicles in laboratory |
| CN112492515A (en) * | 2020-11-25 | 2021-03-12 | 中国电子科技集团公司第五十四研究所 | Multi-scene positioning performance test method for multi-source fusion positioning system |
| CN112653527A (en) * | 2020-11-27 | 2021-04-13 | 中国航天标准化研究所 | Automatic testing equipment and method for remote sensing satellite data transmission product |
| CN112653527B (en) * | 2020-11-27 | 2023-09-12 | 中国航天标准化研究所 | Automatic testing equipment and method for remote sensing satellite data transmission product |
| CN114826457B (en) * | 2021-01-27 | 2023-07-11 | 华为技术有限公司 | Channel simulation method, device, system, device and computer readable storage medium |
| CN114826457A (en) * | 2021-01-27 | 2022-07-29 | 华为技术有限公司 | Channel simulation method, device, system, apparatus and computer readable storage medium |
| CN113835020A (en) * | 2021-09-23 | 2021-12-24 | 张衡 | Digital-analog mixed signal integrated circuit testing instrument |
| CN114157373A (en) * | 2021-12-06 | 2022-03-08 | 上海中铁通信信号测试有限公司 | Rail transit wireless communication interference test method and device |
| CN114866449A (en) * | 2022-04-29 | 2022-08-05 | 重庆长安汽车股份有限公司 | Finished automobile wireless communication test system and test method thereof |
| CN114866449B (en) * | 2022-04-29 | 2023-06-06 | 重庆长安汽车股份有限公司 | Whole vehicle wireless communication test system and test method thereof |
| CN115134841A (en) * | 2022-06-20 | 2022-09-30 | 中国联合网络通信集团有限公司 | Uplink simulation method, device and equipment for flexible frame structure system |
| CN115134841B (en) * | 2022-06-20 | 2024-04-02 | 中国联合网络通信集团有限公司 | Uplink simulation method, device and equipment for flexible frame structure system |
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