CN107809289A - A kind of radio terminal performance test method and apparatus - Google Patents
A kind of radio terminal performance test method and apparatus Download PDFInfo
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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Abstract
The invention provides a kind of radio terminal performance test method and apparatus.This method is realized and LTE V2X terminal capabilities is tested under anechoic chamber, environment.First, build including anechoic chamber, and the test system for the first test equipment, transmitting terminal, channel simulator, adjustable attenuator, receiving terminal and the second test equipment being linked in sequence positioned at anechoic chamber, interior edge signal transmission direction.When being tested, the channel model according to corresponding to different scenes determines the signal propagation path loss value under the scene, when the signal propagation path loss value that channel simulator can simulate is unable to reach the signal propagation path loss value needed for the scene, actual signal propagation path loss values under the scene are simulated by the signal propagation path loss value of channel simulator and the summation of adjustable attenuator pad value, add simulaed path exhaustion range, when solving progress performance test in laboratory, channel simulator can not simulate the problem of signal propagation path loss under whole scenes.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of radio terminal performance test method and apparatus.
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 capabilities method of testings of ITS systems are：Test environment is set as field testing, by setting different fields
Scape parameter, including transmit power, communication bandwidth, relative velocity and modulation system etc., lead under the conditions of different communication to LTE-V2X
The communication performance of letter system is tested, and finally gives the basic communication performance ginseng of LTE-V2X communication systems in the ideal case
Number, evaluate the communication performance of LTE-V2X communication systems.In addition, the universal testing method of other mobile communication terminal performances is：
Communication link is established in laboratory, carries out equipment under test parameter configuration, sets channel simulator to simulate equipment under test practical communication
Channel circumstance, analyzed using communication data daily record of the test equipment to equipment under test, tested set is obtained eventually through analysis
Standby communication performance.
However, the test of DSRC terminal capabilities is set as field testing, needed during actual test according to different scenes
Set OBU in different parameters, including various scenes (On Board Unit, board units) and RSU (Road Side Unit,
Roadside unit) with different relative velocity is mobile, city and High-speed Circumstance, LOS (Line Of Sight, line-of-sight transmission) and
Signal path loss model and its corresponding path loss in the case of NLOS (Not Line Of Sight, non-line-of-sight transmission)
Value.Due to scene substantial amounts, combination complexity be present, realize that whole outfield performance tests need to spend substantial amounts of manpower and test
Time cost, and potential safety hazard be present during car-mounted terminal high-speed mobile under some scenes.Simultaneously, it is contemplated that actual field testing
In scene, it is understood that there may be interference signal produces interference to receiver performance, influences the validity and accuracy of performance test.This
Outside, because channel simulator is limited the scope of its analog signal propagation path loss, existing mobile communication terminal leads to
With performance obtained in laboratory method of testing can not analog signal propagation path loss values it is larger when channel circumstance, it is impossible to realize to reality
Communication channel environment is simulated completely.
Therefore, how to realize the simulation that the signal propagation path under whole scenes is lost and realize efficient, accurate, safety
Performance test, turn into technical problem urgently to be resolved hurrily.
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 radio terminal performance test method and apparatus of problem.
One side according to embodiments of the present invention, there is provided a kind of radio terminal performance test method, including：
Radio terminal performance test system is built, wherein, the system includes anechoic chamber, and dark positioned at the electric wave
Indoor the first test equipment being linked in sequence along signal transmission direction, transmitting terminal, channel simulator, adjustable attenuator, receiving terminal
With the second test equipment；
When carrying out radio terminal performance test, the channel model according to corresponding to determining the scene that need to be tested, and according to institute
State channel model and determine signal propagation path loss value under the scene；
Whether the signal propagation path loss value under the scene for judging to determine being capable of mould more than the channel simulator
The signal propagation path loss higher limit of plan；
If it is not, setting the configuration parameter of the channel simulator, simulated by the channel simulator under the scene
Actual signal propagation path loss, wherein the configuration parameter of the channel simulator comprises at least signal propagation path loss value；
If so, setting the configuration parameter of the channel simulator, and the pad value of the adjustable attenuator is set, pass through institute
The actual signal propagation path loss under channel simulator and the adjustable attenuator simulation scene is stated, wherein set
The summation of the signal propagation path loss value of the channel simulator and the pad value of the set adjustable attenuator is equal to
Signal propagation path loss value under the scene determined；
Produced by first test equipment and send data, control the transmitting terminal to send the transmission data, and record
Send daily record；
The transmission data by corresponding communication link are received by the receiving terminal, obtain receiving data, and
By the reception data transfer to second test equipment；
The reception data are added to the transmission data by second test equipment, and record reception daily record；
The transmission daily record and the reception daily record are handled to obtain the communication of the transmitting terminal and the receiving terminal
The systematic function of link.
Alternatively, the radio terminal performance test, which is included under anechoic chamber, environment, tests LTE-V2X terminal capabilities,
The transmitting terminal includes LTE-V2X terminals, and the receiving terminal includes LTE-V2X terminals.
Alternatively, 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.
Alternatively, the configuration parameter of the channel simulator also includes at least one following：
Channel model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.
Alternatively, the systematic function includes packet loss and/or time delay.
Alternatively, methods described also includes：
Before radio terminal performance test is carried out, based on the GPS geo-location system signal introduced in the anechoic chamber,
Calibration is synchronized to the transmitting terminal, the receiving terminal, first test equipment and second test equipment.
Another aspect according to embodiments of the present invention, a kind of radio terminal performance test device is additionally provided, including：
Module is built, suitable for building radio terminal performance test system, wherein, the system includes anechoic chamber, and
It is the first test equipment for being linked in sequence positioned at the anechoic chamber, interior edge signal transmission direction, transmitting terminal, channel simulator, adjustable
Attenuator, receiving terminal and the second test equipment；
Determining module, suitable for when carrying out radio terminal performance test, the channel according to corresponding to determining the scene that need to be tested
Model, and determine according to the channel model signal propagation path loss value under the scene；
Whether judge module, the signal propagation path loss value under the scene suitable for judging determination are more than the channel
The signal propagation path loss higher limit that simulator can simulate, obtains judged result；
Setting module, it is suitable to：
If the judged result is no, the configuration parameter of the channel simulator is set, passes through the channel simulator mould
Intend the actual signal propagation path loss under the scene, wherein the configuration parameter of the channel simulator passes including at least signal
Broadcast path loss values；
If the judged result is yes, the configuration parameter of the channel simulator is set, and sets the adjustable attenuator
Pad value, pass through the actual signal propagation path that the channel simulator and the adjustable attenuator are simulated under the scene and damage
Consumption, wherein the signal propagation path loss value of the set channel simulator and the set adjustable attenuator decline
The summation of depreciation is equal to the signal propagation path loss value under the scene determined；And
Performance test module, it is suitable to：
Produced by first test equipment and send data, control the transmitting terminal to send the transmission data, and record
Send daily record；
The transmission data by corresponding communication link are received by the receiving terminal, obtain receiving data, and
By the reception data transfer to second test equipment；
The reception data are added to the transmission data by second test equipment, and record reception daily record；
The transmission daily record and the reception daily record are handled to obtain the communication of the transmitting terminal and the receiving terminal
The systematic function of link.
Alternatively, the radio terminal performance test, which is included under anechoic chamber, environment, tests LTE-V2X terminal capabilities,
The transmitting terminal includes LTE-V2X terminals, and the receiving terminal includes LTE-V2X terminals.
Alternatively, 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.
Alternatively, the configuration parameter of the channel simulator also includes at least one following：
Channel model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.
Alternatively, the systematic function includes packet loss and/or time delay.
Alternatively, described device also includes：
Synchronous calibration module, suitable for before radio terminal performance test is carried out, based on the GPS introduced in the anechoic chamber,
Global positioning system signal, to the transmitting terminal, the receiving terminal, first test equipment and second test equipment
Synchronize calibration.
The radio terminal performance test method and apparatus that the embodiment of the present invention proposes, it is right under anechoic chamber, environment to realize
The performance test of LTE-V2X terminals.First, build including anechoic chamber, and transmitted positioned at the anechoic chamber, interior edge signal
The first test equipment, transmitting terminal, channel simulator, adjustable attenuator, receiving terminal and the second test equipment that direction is linked in sequence
Test system.When being tested, the channel model according to corresponding to different scenes determines that the signal under the scene propagates road
Footpath loss value, and the signal propagation path loss value under the scene for judging to determine can more than the channel simulator
During the signal propagation path loss higher limit of simulation, the signal propagation path loss value set by the channel simulator and institute
The summation for stating the pad value of adjustable attenuator setting simulates the actual signal propagation path loss values under the scene.Change speech
It, in the case where the signal propagation path loss limit value that channel simulator can simulate can not meet actual scene conditions of demand, passes through
Adjustable attenuator is supplemented signal propagation path loss, adds simulaed path exhaustion range, solves in laboratory
During row performance test, channel simulator can not simulate under whole scenes signal propagation path loss the problem of.Secondly, for outer
In performance test, take a substantial amount of time, the testing cost such as human and material resources, the problem of test result reproducibility is poor, this
Scheme is tested in anechoic chamber, effectively shortens the testing time, improves testing precision and can degree of reproduction.Also, in electricity
Ripple is tested in darkroom, and channel circumstance is clean, solves the problems, such as that field testing result is influenceed by communication environment interference signal,
Improve test result accuracy；Meanwhile effectively reduce because of OBU and RSU relative velocities under different scenes in the performance test of outfield
The higher and danger that brings, ensures that test safety is carried out, it is final realize efficiently, accurate, safety 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 radio terminal performance test method according to an embodiment of the invention；
Fig. 2 shows the schematic diagram of radio terminal performance test system according to an embodiment of the invention；
Fig. 3 show it is according to an embodiment of the invention under anechoic chamber, environment to LTE-V2X terminal capabilities test
System schematic；And
Fig. 4 shows the structural representation of radio terminal performance test device according to an embodiment of the invention.
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 performance test methods, Essential Environment data, measure ambient noise are collected first
Level；According to predetermined scheme, configured according to relevant parameter request in different scenes, measurement ITS terminal devices are in different fields
Basic performance in scape, ultimate analysis measurement data.In addition, when performance obtained in laboratory method of testing is measurement basic performance, to quilt
The time delay and packet loss for surveying communication link are tested.Specifically, test environment is built；To test system and system under test (SUT) parameter
It is configured；Corresponding signal propagation path loss value is determined according to different scenes channel model；Channel simulator is set
Put；Statistical analysis is carried out to test data daily record by test system and obtains time delay and packet loss.
Inventor has found that existing Performance Testing Technology has following obvious deficiency：First, in performance obtained in laboratory method of testing
In, because channel simulator provides to the signal propagation path loss limit value that can be simulated, can not simulate under different scenes
Path loss values.Secondly, in the performance test methods of outfield, retest need to be repeated in different scenes, expends big
The testing costs such as time of amount, human and material resources, and test result reproducibility is poor, it is difficult to carry out data analysis；Also,
Interference signal is there may be to impact communication link performance；Meanwhile the relative movement speed in different scenes to OBU and RSU
Degree requires different, and relative velocity in some scenarios is higher, potential safety hazard be present.
In order to solve the above technical problems, the embodiment of the present invention proposes a kind of radio terminal performance test method, Fig. 1 is shown
The flow chart of radio terminal performance test method according to an embodiment of the invention.Referring to Fig. 1, the radio terminal performance test side
Method may comprise steps of S102 to step S112.
Step S102, radio terminal performance test system is built, wherein, test system includes anechoic chamber, and is located at
The first test equipment that anechoic chamber, interior edge signal transmission direction is linked in sequence, transmitting terminal, channel simulator, adjustable attenuator,
Receiving terminal and the second test equipment.
Step S104, when carrying out radio terminal performance test, the channel model according to corresponding to determining the scene that need to be tested,
And the signal propagation path loss value under the scene is determined according to channel model.
Step S106, judge whether the signal propagation path loss value under the scene of determination can more than channel simulator
The signal propagation path loss higher limit of simulation.
Step S108, if it is not, the configuration parameter of setting channel simulator, the reality under the scene is simulated by channel simulator
Border signal propagation path loss, wherein the configuration parameter of channel simulator comprises at least signal propagation path loss value.
Step S110, if so, the configuration parameter of setting channel simulator, and the pad value of adjustable attenuator is set, pass through
Channel simulator and adjustable attenuator simulate the actual signal propagation path loss under the scene, wherein set channel simulation
The summation of the signal propagation path loss value of device and the pad value of set adjustable attenuator is equal under the scene determined
Signal propagation path loss value.
Step S112, produced by the first test equipment and send data, control transmitting terminal sends transmission data, and records transmission
Daily record；Transmission data by corresponding communication link are received by receiving terminal, obtain receiving data, and data will be received and passed
It is handed to the second test equipment；Data will be received added to transmission data by the second test equipment, and record reception daily record；To sending
Daily record and reception daily record are handled to obtain the systematic function of the communication link of transmitting terminal and receiving terminal.
The radio terminal performance test method that the embodiment of the present invention proposes, is realized under anechoic chamber, environment to LTE-V2X
The performance test of terminal.First, build including anechoic chamber, and be linked in sequence positioned at anechoic chamber, interior edge signal transmission direction
The first test equipment, transmitting terminal, channel simulator, adjustable attenuator, the test system of receiving terminal and the second test equipment.
When being tested, the channel model according to corresponding to different scenes determines the signal propagation path loss value under the scene, and is sentencing
The signal propagation path loss value under the scene of determination that breaks is more than the signal propagation path damage that channel simulator can simulate
Consume higher limit when, by channel simulator set signal propagation path loss value and adjustable attenuator set pad value it is total
With simulate the actual signal propagation path loss values under the scene.In other words, the signal that can be simulated in channel simulator passes
Broadcasting path loss limit value can not meet under actual scene conditions of demand, and signal propagation path is lost by adjustable attenuator and carried out
Supplement, adds simulaed path exhaustion range, and when solving progress performance test in laboratory, channel simulator can not simulate entirely
The problem of signal propagation path under portion's scene is lost.Secondly, in the performance test of outfield, taking a substantial amount of time, manpower,
The testing costs such as material resources, the problem of test result reproducibility is poor, this programme is tested in anechoic chamber, is effectively shortened
Testing time, improve testing precision and can degree of reproduction.Also, tested in anechoic chamber, channel circumstance is clean, solves
The problem of field testing result is influenceed by communication environment interference signal, improve test result accuracy；Meanwhile effectively reduce
Because under different scenes in the performance test of outfield OBU and RSU relative velocities it is higher the danger that brings, ensure that test safety is carried out,
It is final to realize efficient, accurate, safety test.
Communication link between the radio terminal performance test system and each equipment of foundation built in above step S102,
It is shown in Figure 2.In fig. 2, radio terminal performance test system can include anechoic chamber, and positioned at anechoic chamber, interior edge
The first test equipment that signal transmission direction is linked in sequence, transmitting terminal, channel simulator, adjustable attenuator, receiving terminal and second
Test equipment.
In a kind of optional scheme, transmitting terminal and receiving terminal can also be individually positioned in two shielded boxes, pass through screen
Cover case and effectively absorb electromagnetic radiation energy inside transmitting terminal, while shield the external radiation interference signal of receiving terminal, improve test
Accuracy.
After radio terminal performance test system is put up, equipment under test (that is, transmitting terminal and receiving terminal) is carried out corresponding
Configuration parameter setting, including setting transmitting terminal and communication channel of receiving terminal, communication bandwidth, transmit power etc..
In the alternative embodiment of the present invention, radio terminal performance test mentioned above is included under anechoic chamber, environment
Performance 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.
In above step S104, the channel model according to corresponding to determining the scene that need to be tested, and determined according to channel model
Signal propagation path loss value under the scene.In actual wireless communication, the signal propagation path loss value under different scenes
It is different.In order to simulate the actual signal propagation path loss to be communicated in radio terminal performance test between transmitting terminal and receiving terminal,
The channel model first according to corresponding to determining different test scenes is needed, the signal under the scene is determined further according to the channel model
Propagation path loss values.By taking the communication scenes of OBU board units in congested in traffic section in city and OBU board units as an example,
The channel model according to corresponding to determining the scene can be cascade Nakagami fading channel models.Again with the high velocity environment of suburb
Exemplified by the communication scenes of OBU board units and OBU board units, corresponding channel model can be double selection fading channel models.
It is only illustrative it should be noted that enumerate herein, in test process, corresponding channel can be chosen according to the actual requirements
Model.Then, the channel model according to corresponding to different scenes, the signal propagation path loss value under the scene is determined.This signal
The determination step of propagation path loss values can be carried out according to the path loss prediction model in existing wireless terminal testing standard, this hair
It is bright that this is not restricted.
Damaged in above step S106 by comparing come the signal propagation path under the scene that is determined in judgment step S104
Whether consumption value is more than the signal propagation path loss higher limit that channel simulator can simulate, if judged result is no, carries out
Step S108；If the determination result is YES, then it is transferred to step S110.
In above step S108, if the signal propagation path loss value under the scene determined in step S104 is no more than letter
The signal propagation path loss higher limit that road simulator can simulate, set the configuration parameter of channel simulator so that only pass through
Channel simulator can simulate the actual signal propagation path loss under the scene, the wherein configuration parameter of channel simulator at least
Including signal propagation path loss value.
In above step S110, if the signal propagation path loss value under the scene determined in step S104 is more than channel
The signal propagation path loss higher limit that simulator can simulate, then set the configuration parameter and adjustable damping of channel simulator
The pad value of device, simulated by the summation of the signal propagation path loss value of channel simulator and the pad value of adjustable attenuator
Actual signal propagation path loss under the scene.In actual applications, first the signal propagation path of channel simulator can be damaged
Consumption value is set as its signal propagation path loss higher limit that can be simulated, and then resets the pad value of adjustable attenuator, makes
The signal propagation path loss value of the channel simulator of setting and the pad value of adjustable attenuator plus and equal in step S104
Signal propagation path loss value under the scene determined.It is of course also possible to use other modes are to channel simulator and adjustable
The combination of attenuator is set, as long as meeting the signal propagation path loss value and adjustable attenuator of the channel simulator of setting
It is pad value plus and equal to the signal propagation path loss value under the scene determined in step S104, the present invention is to this
It is not restricted.It can not meet actual scene conditions of demand in the signal propagation path loss limit value that channel simulator can simulate
Under, signal propagation path loss is supplemented by adjustable attenuator, simulaed path exhaustion range is added, realizes to letter
The complete simulation of practical communication channel circumstance when number propagation path loss is larger.
In the alternative embodiment of the present invention, the configuration parameter of channel simulator can also be including at least one following：Letter
Road model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.Pass through the actual demand according to different scenes
Above-mentioned configuration parameter is set, truer simulation practical communication channel circumstance, improve testing precision and accuracy.
Especially, believed by setting transmitting terminal and receiving terminal speed of related movement in channel simulator under simulating vehicle high-speed cruising
The real channel of number route of transmission, is reduced in the performance test of outfield, the potential safety hazard that test vehicle high-speed cruising is brought.
In above step S112, produced by the first test equipment and send data, control transmitting terminal sends the data, and records
Send daily record.In actual applications, the first test equipment produces according to the transmission data structure of regulation and sends data, to facilitate number
According to transmission and processing.The initial time of giving out a contract for a project of transmitting terminal is not less than for the random value in [0ms, 100ms], data communication time
200s, ensure the validity of test.
Then, receiving terminal receives the transmission data by corresponding communication link, obtains receiving data, and will receive
Data transfer is to the second test equipment.Specifically, when the signal propagation path loss value under the scene determined in step S104
When higher limit is lost more than the signal propagation path that channel simulator can simulate, sends data and pass through transmitting terminal, channel simulation
Device, adjustable attenuator, receiving terminal form communication path reach receiving terminal, otherwise, then by transmitting terminal, channel simulator, connect
The communication path that receiving end is formed reaches receiving terminal.
Then, data will be received added to transmission data by the second test equipment and will record reception daily record；Finally, can be by
One test equipment or the second test equipment are handled to obtain the communication of transmitting terminal and receiving terminal to sending daily record and receiving daily record
The systematic function of link, systematic function here can include packet loss and/or time delay, and the invention is not restricted to this.
Further, the embodiment of the present invention can repeat the above steps S102 to step S112, complete nothing in different scenes
The test of line terminal capabilities.
In the alternative embodiment of the present invention, before radio terminal performance test is carried out, it is also based in anechoic chamber,
GPS (Global Positioning System, global positioning system) signal of introducing, transmitting terminal, receiving terminal, first are surveyed
Examination equipment and the second test equipment synchronize calibration, improve the accuracy of test.
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 radio terminal performance test method of the present invention is discussed in detail.
In a particular embodiment of the present invention, radio terminal performance test is whole to LTE-V2X under anechoic chamber, environment
Performance test is held, transmitting terminal is OBU board units and/or RSU roadside units, and receiving terminal is OBU board units and/or RSU roads
Side unit.The embodiment of the present invention uses to be included under anechoic chamber, environment to LTE-V2X terminal capabilities testing schemes, concrete scheme
Following steps a) to step h).
A) based on the gps signal introduced in anechoic chamber, calibration is synchronized to equipment under test and test equipment.
In this step, equipment under test includes transmitting terminal OBU board units and/or RSU roadside units and receiving terminal OBU cars
Carrier unit and/or RSU roadside units.
B) LTE-V2X terminal capabilities test systems are built, set the configuration parameter of equipment under test, wherein equipment under test is matched somebody with somebody
Parameter is put including at least one following：Communication channel, communication bandwidth, transmit power.
In this step, the LTE-V2X terminal capabilities test system built is as shown in figure 3, the test system includes electric wave
Darkroom, and be linked in sequence positioned at anechoic chamber, interior edge signal transmission direction the first test equipment, transmitting terminal OBU/RSU, letter
Road simulator, adjustable attenuator, receiving terminal OBU/RSU and the second test equipment, wherein, transmitting terminal OBU/RSU and receiving terminal
OBU/RSU is individually positioned in two shielded boxes.
C) channel model according to corresponding to determining the scene that need to be tested, and the signal under the scene is determined according to channel model
Propagation path loss values.
Whether the signal propagation path loss value under the scene for d) judging to determine is more than what channel simulator can simulate
Higher limit is lost in signal propagation path.
E) if it is not, the configuration parameter of setting channel simulator, the actual signal under the scene is simulated by channel simulator
The configuration parameter of propagation path loss, wherein channel simulator includes signal propagation path loss value, in addition to it is following at least it
One：Channel model, communication distance, OBU and RSU speed of related movements, OBU and OBU speed of related movements, signal to noise ratio.
F) if so, setting the configuration parameter of channel simulator, and the pad value of adjustable attenuator is set, passes through channel simulation
Device and adjustable attenuator simulate the actual signal propagation path loss under the scene, wherein the signal of set channel simulator
The signal that propagation path loss values and the summation of the pad value of set adjustable attenuator are equal under the scene determined is propagated
Path loss values.
G) system packet loss and delay testing：Data structure is sent by the first test equipment according to the rules and produces transmission number
According to, control transmitting terminal OBU/RSU sends transmission data, and records transmission daily record, wherein, initially give out a contract for a project the time for [0ms,
100ms] in random value, data communication time is not less than 200s；Received by receiving terminal OBU/RSU by corresponding V2V/V2I
The transmission data of communication link, obtain receiving data, and data transfer will be received to the second test equipment；By the second test
Equipment will receive data added to transmission data, and record reception daily record；By the first test equipment or the second test equipment to hair
Send daily record and receive daily record and handled to obtain the system packet loss of transmitting terminal OBU/RSU and receiving terminal OBU/RSU communication link
Rate and time delay.
H) repeat step b)~step g), the test of packet loss and time delay in different scenes is completed.
This programme proposes to set adjustable attenuator under anechoic chamber, environment, increases signal propagation path and simulation context is lost
LTE-V2X terminal capabilities method of testings.As shown in step f), if the signal propagation path loss that channel simulator can simulate
The signal propagation path loss value of step c) determinations is unable to reach, is set by the pad value and channel simulator of adjustable attenuator
Signal propagation path loss value summation, simulate different scenes in actual signal propagation path loss values, realize in electric wave
Under dark room conditions, in different scenes, the simulation of unlike signal propagation path loss values.
Secondly, this programme carries out LTE-V2X communication link performance tests under anechoic chamber, environment, avoids actual test
In be directed to different scenes a large amount of test job amounts, greatly shorten the testing time, reduce difficulty of test and make test work
Work is easy to reappear, at the same effectively reduce because under different scenes OBU and RSU relative velocities it is higher the danger that brings.Also, electricity
Conduction test in ripple darkroom, channel circumstance is clean, solves the problems, such as that field testing result is influenceed by communication environment interference signal,
It is final to realize efficient, accurate, safety 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 radio terminal performance test device, for propping up
Hold any one above-mentioned embodiment or it combines provided radio terminal performance test method.Fig. 4 is shown according to the present invention
The structural representation of the radio terminal performance test device of one embodiment.Referring to Fig. 4, the radio terminal performance test device is at least
It can include：Build module 410, determining module 420, judge module 430, setting module 440 and performance test module 450.
Now introduce the function of each composition or device of the radio terminal performance test device of the embodiment of the present invention and each portion
Annexation between point：
Module 410 is built, suitable for building radio terminal performance test system, wherein, the system comprises at least anechoic chamber,
And the first test equipment, transmitting terminal, channel simulator, adjustable being linked in sequence positioned at anechoic chamber, interior edge signal transmission direction
Attenuator, receiving terminal and the second test equipment, as shown in Figure 2 or Figure 3；
Determining module 420, suitable for when carrying out radio terminal performance test, believing according to corresponding to determining the scene that need to be tested
Road model, and determine according to channel model the signal propagation path loss value under the scene；
Whether judge module 430, the signal propagation path loss value under the scene suitable for judging determination are more than channel mould
Intend the signal propagation path loss higher limit that device can simulate, obtain judged result；
Setting module 440, is suitable to：
If judged result is no, the configuration parameter of channel simulator is set, is simulated by channel simulator under the scene
The configuration parameter of actual signal propagation path loss, wherein channel simulator comprises at least signal propagation path loss value；
If the determination result is YES, the configuration parameter of channel simulator is set, and sets the pad value of adjustable attenuator, is passed through
Channel simulator and adjustable attenuator simulate the actual signal propagation path loss under the scene, wherein set channel simulation
The summation of the signal propagation path loss value of device and the pad value of set adjustable attenuator is equal under the scene determined
Signal propagation path loss value；And
Performance test module 450, is suitable to：
Produced by the first test equipment and send data, control transmitting terminal sends transmission data, and records transmission daily record；By connecing
Receiving end receives the transmission data by corresponding communication link, obtains receiving data, and will receive data transfer to second
Test equipment；Data will be received added to transmission data by the second test equipment, and record reception daily record；To sending daily record and connecing
Daily record is received to be handled to obtain the systematic function of the communication link of transmitting terminal and receiving terminal.
In one alternate embodiment, radio terminal performance test is included under anechoic chamber, environment to LTE-V2X terminals
Performance test, transmitting terminal include LTE-V2X terminals, and receiving terminal includes LTE-V2X terminals.Further, transmitting terminal includes OBU cars
Carrier unit and/or RSU roadside units, receiving terminal include OBU board units and/or RSU roadside units.
In one alternate embodiment, the configuration parameter of channel simulator also includes at least one following：
Channel model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.
In one alternate embodiment, systematic function includes packet loss and/or time delay.
In one alternate embodiment, the radio terminal performance test device can also include：
Synchronous calibration module, suitable for before radio terminal performance test is carried out, based on the GPS whole world introduced in anechoic chamber,
Positioning system signal, calibration is synchronized to transmitting terminal, receiving terminal, the first test equipment and the second test equipment.
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：
Radio terminal performance test method and apparatus under the anechoic chamber, of the embodiment of the present invention, are set in anechoic chamber,
Adjustable attenuator, when the signal propagation path loss value that channel simulator can simulate is unable to reach the signal needed for test scene
During propagation path loss values, the signal propagation path loss value that is set by the pad value and channel simulator of adjustable attenuator come
The actual signal propagation path loss values in different scenes are simulated, when solving progress performance test in laboratory, channel simulation
Device can not simulate the problem of signal propagation path loss under whole scenes.Also, LTE-V2X is carried out under anechoic chamber, environment
Communication link performance is tested, and is avoided a large amount of test job amounts that different scenes are directed in actual test, is greatly shortened survey
The examination time, reduce difficulty of test and make test job be easy to reappear, effectively reduce because OBU under different scenes and RSU are relative
The danger that speed is higher and brings, while solve the problems, such as that field testing result is influenceed by communication environment interference signal, finally
Realize efficient, accurate, safety test.
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) are realized in radio terminal performance test device according to embodiments of the present invention
Some or all parts some or all functions.The present invention is also implemented as being used to perform side as described herein
The some or all equipment or program of device (for example, computer program and computer program product) of method.It is such
Realizing the program of the present invention can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from internet website and obtained, and either be provided or with any other shape on carrier signal
Formula provides.
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 (12)
1. a kind of radio terminal performance test method, including：
Radio terminal performance test system is built, wherein, the system includes anechoic chamber, and in the anechoic chamber,
The first test equipment for being linked in sequence along signal transmission direction, transmitting terminal, channel simulator, adjustable attenuator, receiving terminal and
Two test equipments；
When carrying out radio terminal performance test, the channel model according to corresponding to determining the scene that need to be tested, and according to the letter
Road model determines the signal propagation path loss value under the scene；
Whether the signal propagation path loss value under the scene for judging to determine is more than what the channel simulator can simulate
Higher limit is lost in signal propagation path；
If it is not, setting the configuration parameter of the channel simulator, the reality under the scene is simulated by the channel simulator
Signal propagation path is lost, wherein the configuration parameter of the channel simulator comprises at least signal propagation path loss value；
If so, setting the configuration parameter of the channel simulator, and the pad value of the adjustable attenuator is set, pass through the letter
Road simulator and the adjustable attenuator simulate the actual signal propagation path loss under the scene, wherein set is described
The summation of the signal propagation path loss value of channel simulator and the pad value of the set adjustable attenuator, which is equal to, to be determined
The scene under signal propagation path loss value；
Produced by first test equipment and send data, control the transmitting terminal to send the transmission data, and record transmission
Daily record；
The transmission data by corresponding communication link are received by the receiving terminal, obtain receiving data, and by institute
State and receive data transfer to second test equipment；
The reception data are added to the transmission data by second test equipment, and record reception daily record；
The transmission daily record and the reception daily record are handled to obtain the communication link of the transmitting terminal and the receiving terminal
Systematic function.
2. radio terminal performance test method according to claim 1, it is characterised in that the radio terminal performance test
It is included under anechoic chamber, environment and LTE-V2X terminal capabilities is tested, the transmitting terminal includes LTE-V2X terminals, the reception
End includes LTE-V2X terminals.
3. radio terminal performance test method according to claim 2, it is characterised in that the transmitting terminal includes OBU cars
Carrier unit and/or RSU roadside units, the receiving terminal include OBU board units and/or RSU roadside units.
4. radio terminal performance test method according to claim 2, it is characterised in that the configuration of the channel simulator
Parameter also includes at least one following：
Channel model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.
5. radio terminal performance test method according to claim 1, it is characterised in that the systematic function includes packet loss
Rate and/or time delay.
6. according to the radio terminal performance test method described in claim any one of 1-5, it is characterised in that also include：
Before radio terminal performance test is carried out, based on the GPS geo-location system signal introduced in the anechoic chamber, to institute
State transmitting terminal, the receiving terminal, first test equipment and second test equipment and synchronize calibration.
7. a kind of radio terminal performance test device, including：
Module is built, suitable for building radio terminal performance test system, wherein, the system includes anechoic chamber, and is located at
The first test equipment that the anechoic chamber, interior edge signal transmission direction is linked in sequence, transmitting terminal, channel simulator, adjustable damping
Device, receiving terminal and the second test equipment；
Determining module, suitable for when carrying out radio terminal performance test, the channel model according to corresponding to determining the scene that need to be tested,
And the signal propagation path loss value under the scene is determined according to the channel model；
Whether judge module, the signal propagation path loss value under the scene suitable for judging determination are more than the channel simulation
The signal propagation path loss higher limit that device can simulate, obtains judged result；
Setting module, it is suitable to：
If the judged result is no, the configuration parameter of the channel simulator is set, institute is simulated by the channel simulator
The actual signal propagation path loss under scene is stated, wherein the configuration parameter of the channel simulator, which comprises at least signal, propagates road
Footpath loss value；
If the judged result is yes, the configuration parameter of the channel simulator is set, and sets declining for the adjustable attenuator
Depreciation, the actual signal propagation path loss under the scene is simulated by the channel simulator and the adjustable attenuator,
The decay of the signal propagation path loss value of the wherein set channel simulator and the set adjustable attenuator
The summation of value is equal to the signal propagation path loss value under the scene determined；And
Performance test module, it is suitable to：
Produced by first test equipment and send data, control the transmitting terminal to send the transmission data, and record transmission
Daily record；
The transmission data by corresponding communication link are received by the receiving terminal, obtain receiving data, and by institute
State and receive data transfer to second test equipment；
The reception data are added to the transmission data by second test equipment, and record reception daily record；
The transmission daily record and the reception daily record are handled to obtain the communication link of the transmitting terminal and the receiving terminal
Systematic function.
8. radio terminal performance test device according to claim 7, it is characterised in that the radio terminal performance test
It is included under anechoic chamber, environment and LTE-V2X terminal capabilities is tested, the transmitting terminal includes LTE-V2X terminals, the reception
End includes LTE-V2X terminals.
9. radio terminal performance test device according to claim 8, it is characterised in that the transmitting terminal includes OBU cars
Carrier unit and/or RSU roadside units, the receiving terminal include OBU board units and/or RSU roadside units.
10. radio terminal performance test device according to claim 8, it is characterised in that the channel simulator is matched somebody with somebody
Parameter is put also including at least one following：
Channel model, communication distance, transmitting terminal and receiving terminal speed of related movement, signal to noise ratio.
11. radio terminal performance test device according to claim 7, it is characterised in that the systematic function includes losing
Bag rate and/or time delay.
12. according to the radio terminal performance test device described in claim any one of 7-11, it is characterised in that also include：
Synchronous calibration module, suitable for before radio terminal performance test is carried out, based on the GPS whole world introduced in the anechoic chamber,
Positioning system signal, the transmitting terminal, the receiving terminal, first test equipment and second test equipment are carried out
Synchronous calibration.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901559A (en) * | 2019-03-29 | 2019-06-18 | 北京经纬恒润科技有限公司 | A kind of T-BOX test macro and method |
| CN110971318A (en) * | 2018-09-29 | 2020-04-07 | 电信科学技术研究院有限公司 | Method and equipment for determining propagation delay |
| CN111586634A (en) * | 2020-05-23 | 2020-08-25 | 重庆大学 | V2X external field test scene mapping method, test method and test system |
| CN111600666A (en) * | 2020-05-13 | 2020-08-28 | 深圳市共进电子股份有限公司 | Wireless communication simulation test system |
| CN111669726A (en) * | 2020-06-03 | 2020-09-15 | 上海无线通信研究中心 | Deterministic channel simulator and channel simulation method for Internet of vehicles |
| 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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| WO2022176334A1 (en) * | 2021-02-19 | 2022-08-25 | パナソニックＩｐマネジメント株式会社 | Simulation system, simulation method, and program |
| CN115225173A (en) * | 2022-07-28 | 2022-10-21 | 联宝(合肥)电子科技有限公司 | Wireless connection performance test method and device, electronic equipment and 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 |
| CN116980054A (en) * | 2023-09-20 | 2023-10-31 | 武汉能钠智能装备技术股份有限公司四川省成都市分公司 | Ultrashort wave signal testing system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100316746B1 (en) * | 1999-11-29 | 2001-12-12 | 오길록 | Method and apparatus for emulating radio channels in CDMA system test-bed |
| CN1960221A (en) * | 2006-09-30 | 2007-05-09 | 上海华为技术有限公司 | Channel simulator, channel simulation system, and channel simulation method |
| CN101056446A (en) * | 2006-04-11 | 2007-10-17 | 大唐移动通信设备有限公司 | An automatic test method and device of the radio resource management performance |
| CN101068429A (en) * | 2007-05-24 | 2007-11-07 | 上海大学 | Mobile communication system analog testing method and small size analog testing platform |
| CN102137421A (en) * | 2011-04-28 | 2011-07-27 | 大唐移动通信设备有限公司 | Test device and method |
| CN104053177A (en) * | 2013-03-15 | 2014-09-17 | 中国移动通信集团公司 | Test apparatus and method for mutual operation of network device and mobile terminal |
| CN104113856A (en) * | 2014-07-24 | 2014-10-22 | 工业和信息化部通信计量中心 | Equipment performance testing system and testing method applicable to WLAN (Wireless Local Area Network) network |
-
2017
- 2017-10-31 CN CN201711051077.1A patent/CN107809289B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100316746B1 (en) * | 1999-11-29 | 2001-12-12 | 오길록 | Method and apparatus for emulating radio channels in CDMA system test-bed |
| CN101056446A (en) * | 2006-04-11 | 2007-10-17 | 大唐移动通信设备有限公司 | An automatic test method and device of the radio resource management performance |
| CN1960221A (en) * | 2006-09-30 | 2007-05-09 | 上海华为技术有限公司 | Channel simulator, channel simulation system, and channel simulation method |
| CN101068429A (en) * | 2007-05-24 | 2007-11-07 | 上海大学 | Mobile communication system analog testing method and small size analog testing platform |
| CN102137421A (en) * | 2011-04-28 | 2011-07-27 | 大唐移动通信设备有限公司 | Test device and method |
| CN104053177A (en) * | 2013-03-15 | 2014-09-17 | 中国移动通信集团公司 | Test apparatus and method for mutual operation of network device and mobile terminal |
| CN104113856A (en) * | 2014-07-24 | 2014-10-22 | 工业和信息化部通信计量中心 | Equipment performance testing system and testing method applicable to WLAN (Wireless Local Area Network) network |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971318B (en) * | 2018-09-29 | 2022-05-03 | 大唐移动通信设备有限公司 | Method and equipment for determining propagation delay |
| CN110971318A (en) * | 2018-09-29 | 2020-04-07 | 电信科学技术研究院有限公司 | Method and equipment for determining propagation delay |
| CN109901559A (en) * | 2019-03-29 | 2019-06-18 | 北京经纬恒润科技有限公司 | A kind of T-BOX test macro and method |
| CN109901559B (en) * | 2019-03-29 | 2021-02-23 | 北京经纬恒润科技股份有限公司 | T-BOX test system and method |
| 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 |
| CN111600666A (en) * | 2020-05-13 | 2020-08-28 | 深圳市共进电子股份有限公司 | Wireless communication simulation test system |
| CN111586634A (en) * | 2020-05-23 | 2020-08-25 | 重庆大学 | V2X external field test scene mapping method, test method and test system |
| CN111586634B (en) * | 2020-05-23 | 2021-05-14 | 重庆大学 | V2X external field test scene mapping method, test method and test system |
| CN111669726A (en) * | 2020-06-03 | 2020-09-15 | 上海无线通信研究中心 | Deterministic channel simulator and channel simulation method for Internet of vehicles |
| 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 |
| CN112073938B (en) * | 2020-08-04 | 2024-06-21 | 中汽研汽车检验中心（天津）有限公司 | Simulation design method for Internet of vehicles in laboratory |
| CN114629573A (en) * | 2020-12-11 | 2022-06-14 | 国汽(北京)智能网联汽车研究院有限公司 | V2X equipment communication performance test method, system, equipment and computer storage medium |
| WO2022176334A1 (en) * | 2021-02-19 | 2022-08-25 | パナソニックＩｐマネジメント株式会社 | Simulation system, simulation method, and program |
| CN113783630A (en) * | 2021-08-13 | 2021-12-10 | 中国信息通信研究院 | System and method for dynamically testing terminal performance |
| CN114205859A (en) * | 2021-12-30 | 2022-03-18 | 苏州熠品质量技术服务有限公司 | Wireless communication performance multi-index testing system |
| CN114205859B (en) * | 2021-12-30 | 2022-10-21 | 苏州熠品质量技术服务有限公司 | Wireless communication performance multi-index testing system |
| CN114614926A (en) * | 2022-03-10 | 2022-06-10 | 中国电子科技集团公司第五十四研究所 | Simulation test method and device of communication system and electronic equipment |
| CN114614926B (en) * | 2022-03-10 | 2024-01-30 | 中国电子科技集团公司第五十四研究所 | Simulation test method and device of communication system and electronic equipment |
| CN115225173A (en) * | 2022-07-28 | 2022-10-21 | 联宝(合肥)电子科技有限公司 | Wireless connection performance test method and device, electronic equipment and storage medium |
| CN115225173B (en) * | 2022-07-28 | 2023-09-01 | 联宝(合肥)电子科技有限公司 | Wireless connection performance testing method and device, electronic equipment and storage medium |
| CN116980054A (en) * | 2023-09-20 | 2023-10-31 | 武汉能钠智能装备技术股份有限公司四川省成都市分公司 | Ultrashort wave signal testing system and method |
| CN116980054B (en) * | 2023-09-20 | 2023-12-26 | 武汉能钠智能装备技术股份有限公司四川省成都市分公司 | Ultrashort wave signal testing system and method |
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