CN102137421A - Test device and method - Google Patents
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- CN102137421A CN102137421A CN2011101092083A CN201110109208A CN102137421A CN 102137421 A CN102137421 A CN 102137421A CN 2011101092083 A CN2011101092083 A CN 2011101092083A CN 201110109208 A CN201110109208 A CN 201110109208A CN 102137421 A CN102137421 A CN 102137421A
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Abstract
The invention discloses a test device and method, which are used for testing performance of a system composed of a base station and user equipment (UE) under different simulated scenes. The test device comprises a channel simulator, a parameter configuration unit and an electrical control unit, wherein, the channel simulator is used for realizing a connection between the base station and the UE under the current simulated scene; the parameter configuration unit is used for configuring parameters related to the base station and the UE under the current simulated scene and determining attenuation amount of signals between the current base station and UE according to the parameters; and the electrical control unit is used for adjusting the attenuation amount of the signals between the base station and the UE by adjusting the voltage or current input to an electric control attenuator corresponding to a channel between the base station and the UE in the channel simulator according to the attenuation amount of the signals between the current base station and UE, thus achieving the purpose of testing the system performance corresponding to the current simulated scene.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of testing apparatus and method.
Background technology
For the single user's in single sub-district simulated scenario, single sub-district multi-user's simulated scenario, the single user's in many sub-districts simulated scenario, many sub-districts multi-user's simulated scenario and the simulation of many antennas (single sub-district/many sub-districts, single user/multi-user) simulated scenario, mainly contain following mode at present:
By direct-connected base station of cable (NB) and subscriber equipment (UE),, realize control for fading channel by manual change analog attenuator;
Connect base station and UE by wireless environment.
As seen, prior art is primarily aimed at channel circumstance and design simulation is carried out in the performance test aspect, complicated operation, and cost is higher, and considers not comprehensive to basic function test and regression test; In the baseband analog mode, mainly be to realize that single base station is to the UE simulation process.
In sum, prior art connects base station and UE by attenuator, and device is more, the line complexity, and the manual adjustments precision is not enough, and controllability is poor, and service efficiency is low; Connect base station and UE by wireless mode,, generally realize that by the position that changes UE for the test of laboratory stage, testing efficiency is low because the air interface ambient controlled is relatively poor; Prior art is simulated in the base band mode, can not the artificial antenna environment to the influence of whole system, can not analog subscriber between wireless channel disturb, can not simulate the scene of multi-user, many base stations; For the simulation of complexity connection and UE mobility, limited in one's ability.
Summary of the invention
The embodiment of the invention provides a kind of testing apparatus and method, in order to test the performance of the system that is made of base station and user equipment (UE) under different simulated scenarios.
A kind of testing apparatus that the embodiment of the invention provides comprises:
Channel simulator is used to realize being connected of base station and user equipment (UE) under the current simulated scenario;
Parameter configuration unit, be used to dispose with current simulated scenario under the base station parameter relevant with UE, and determine the attenuation of signal between current base station and the UE according to this parameter;
Electricity regulation and control system unit, be used for attenuation according to signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
A kind of method of testing that the embodiment of the invention provides comprises:
Channel simulator is realized being connected of base station and user equipment (UE) under the current simulated scenario;
The base station parameter relevant under parameter configuration unit configuration and the current simulated scenario with UE, and determine the attenuation of signal between current base station and the UE according to this parameter;
Electricity regulation and control system unit is according to the attenuation of signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
The embodiment of the invention, channel simulator is used to realize being connected of base station and user equipment (UE) under the current simulated scenario; Parameter configuration unit, be used to dispose with current simulated scenario under the base station parameter relevant with UE, and determine the attenuation of signal between current base station and the UE according to this parameter; Electricity regulation and control system unit, be used for attenuation according to signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, with the test of realization, thereby realized testing the device of the performance of the system that under different simulated scenarios, constitutes by base station and user equipment (UE) to the systematic function of current simulated scenario correspondence.
Description of drawings
The structural representation of a kind of testing apparatus that Fig. 1 provides for the embodiment of the invention;
Fig. 2 simulates schematic diagram for the decay of single sub-district that the embodiment of the invention provides;
Switch or the simulation schematic diagram of area interference environment the sub-district that Fig. 3 provides for the embodiment of the invention;
The situation simulation schematic diagram of two UE is inserted in the same sub-district that Fig. 4 provides for the embodiment of the invention;
The inside connection diagram of 8 * 8 port channel simulators that Fig. 5 provides for the embodiment of the invention;
The structural representation of the testing apparatus of 8 * 8 port channel simulators that Fig. 6 provides for the embodiment of the invention;
A kind of schematic diagram that Fig. 7 provides for the embodiment of the invention to 8 * 8 port channel simulator cascades expansion;
The schematic flow sheet of a kind of method of testing that Fig. 8 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of testing apparatus and method, in order to test the performance of the system that is made of base station and user equipment (UE) under different simulated scenarios.
The embodiment of the invention, can realize Radio Access Network (Radio Access Network, RAN) system's (comprising the 2G/3G/4G system) descends the simulation of base station and UE system environments, and then has realized the test to systematic function under the different simulated scenarios more easily.The testing apparatus that provides by the embodiment of the invention connects base station and UE, replaces traditional wireless air interface link, and traditional cable connected mode, realizes the simulation of following scene, improves test job efficient:
Single single user's in sub-district simulated scenario;
Single sub-district multi-user's simulated scenario;
The single user's in many sub-districts simulated scenario;
Many sub-districts multi-user's simulated scenario;
Many antennas (wherein, the sub-district can comprise that single sub-district or many sub-districts, user can comprise single user or multi-user) simulated scenario.
Referring to Fig. 1, a kind of testing apparatus that the embodiment of the invention provides comprises:
Channel simulator 101 is used to realize being connected of base station and user equipment (UE) under the current simulated scenario;
Electricity regulation and control system unit 103, be used for attenuation according to signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
Preferably, described channel simulator 101 comprises first group of port and second group of port, and wherein, first group of port is used for linking to each other with the base station, and second group of port is used for linking to each other with UE;
Each port in first group of port with each port in second group of port, links to each other by electrically controlled attenuator.
Preferably, described first group of port and second group of port are positioned at same electricity and transfer on the internet module;
Perhaps,
Described first group of port and/or second group of port are positioned at a plurality of electricity and transfer on the internet module.
Preferably, with the relevant parameter of base station and UE under the current simulated scenario, comprising:
The transmitting power of base station and mode of operation, and the position of base station and UE.
Preferably, described current simulated scenario is one of following scenario:
Single single user's in sub-district simulated scenario;
Single sub-district multi-user's simulated scenario;
The single user's in many sub-districts simulated scenario;
Many sub-districts multi-user's simulated scenario;
Many antennas simulated scenario.
The influence that this device can be simulated path loss variation in the above scene, be declined and bring fast, test is as system performances such as power control, demodulation performance, sub-district switching, cell initial search, descending interference or anti-interference, uplink interference or anti-interference, many days line services, and has characteristics such as controlled, flexible configuration.
Provide the basic principle explanation of the testing apparatus that the embodiment of the invention provides below.
A basic principle of this device, as shown in Figure 2, connector of middle block representation, it is channel simulator, between two port A1 of channel simulator and B1, an electrically controlled attenuator is arranged, be added in voltage or size of current on the electrically controlled attenuator, change the size of the attenuation of signal between A1 and the B1 by change, arrive the signal of base station watt level thereby change the base station to UE or UE, and then the scenes such as distance of anolog base station and UE distance.
By changing the rate of decay of A1 to signal power between the B1, speed that can the approximate simulation spatial fading and translational speed of UE or the like.
Fig. 3 has showed the physical condition of a simulation sub-district switching and the schematic diagram of process.For example, the adjacent each other cell base station of NB1 and NB2 in the network planning, as serve the UE of the sub-district that base station NB1 covers, close to the sub-district that NB2 covers, and take place to switch to the NB2 sub-district from the NB1 sub-district, this time, by changing the control voltage or the electric current of the electrically controlled attenuator between A1 and the B1, progressively increase the attenuation of signal between A1 and the B1, by changing the control voltage or the electric current of the electrically controlled attenuator between A1 and the B2, progressively reduce the attenuation between A1 and the B2 simultaneously, make and satisfy the sub-district switching condition, receive that such as UE the signal of sub-district NB2 is better than the signal twice of NB1, UE takes place switch to the NB2 sub-district from the NB1 sub-district.In like manner, by changing the control voltage or the electric current of the electrically controlled attenuator between A1 and the B1, progressively reduce the attenuation of signal between A1 and the B1, simultaneously by changing the control voltage or the electric current of the electrically controlled attenuator between A1 and the B2, progressively increase the attenuation of signal between A1 and the B2, so just can simulate UE and switch to the NB1 sub-district from the NB2 sub-district.The rate of decay (voltage or rate of current) of signal can be simulated the situation that UE moves to different sub-districts between control A1 and B1 and A1 and the B2, and this process can be done sub-district switching repeatedly repeatedly.If NB1 and NB2 do not face cell base station each other, same configuration can be simulated the disturbed condition of other cell signal to the UE in the Serving cell.
Similarly,, change the connected mode of UE and base station, can simulate the scene that inserts two UE with the sub-district referring to Fig. 4.Change the decay size of signal between A1 and B1 and A1 and the B2, can simulate UE1 and UE2 distance apart from the base station, for example the attenuation between A1 and the B1 is less than the attenuation between A1 and the B2, then UE1 is nearer apart from the base station, if the attenuation between A1 and the B1, and the difference of the attenuation between A1 and the B2 arrives certain limit greatly, can think that UE1 is near the base station, and UE2 is in the edge that the base station covers; When two UE are in service condition, can simulate the uplink interference situation, the sub-district is covered the influence of edge UE as near-end UE.
Complex chart 3 and scene shown in Figure 4, as shown in Figure 5, the channel simulator that the embodiment of the invention provides comprises first group of port (for example corresponding A 1 to A8 port) and second group of port (for example corresponding B1 to B8 port), wherein, first group of port is used for linking to each other with the base station, and second group of port is used for linking to each other with UE; Each port in first group of port with each port in second group of port, links to each other by electrically controlled attenuator.The network configuration that connects is 8 * 8 connection matrix, and each connects an all corresponding electricity regulation and control system port, 64 electricity regulation and control system ports altogether.
As shown in Figure 6,64 electricity regulation and control system ports, control by electricity regulation and control system unit, each electricity regulation and control system port all has voltage or current controller, electricity regulation and control system unit controls electricity is regulated and control the voltage or the size of current of system port, thereby changes the attenuation size of signal between A port and the B port.The voltage of electricity regulation and control system unit controls electricity regulation and control system port or the parameter of size of current, obtain by parameter configuration unit, parameter configuration unit provides parameter interface and interactive interface, be used to define and dispose the 8X8 electricity and transfer mode of operation between per two ports of internet module, for example, attenuation, rate of decay or the like.
Utilize mathematic(al) representation to represent, the signal of port B arrives the signal of port A, can be expressed as formula, and for example: H11 represents the attenuation of signal between A1 port and the B1 port, and H12 represents the attenuation of signal between A1 port and the B2 port; It is the attenuation that Hij has represented signal between Ai port and the Bj port.
A
1＝H
11*B
1+H
12*B
2+Λ+H
18*B
8
A
2＝H
21*B
1+H
22*B
2+Λ+H
28*B
8
M
A
8＝H
81*B
1+H
82*B
2+Λ+H
88*B
8
For convenience of description, appealing several equatioies is expressed in matrix as:
A＝H·B
Wherein:
Then H has represented the parameter of channel simulator, has described the attenuation size of signal between per two ports.
In Fig. 5 and the channel simulator shown in Figure 6, first group of port and second group of port, be positioned at same electricity and transfer on the internet module.Certainly, first group of port and/or second group of port of channel simulator also can be positioned at a plurality of electricity and transfer on the internet module.That is to say, channel simulator, can be by a plurality of electricity being transferred parallel connection, series connection or the hybrid mode of the two of internet module, come Extended Capabilities Port, to support complicated more and the more simulation of the application scenarios of multiport, as shown in Figure 7, promptly transfer the internet module by the electricity of three 8X8 ports, expansion has realized the channel simulator of 8X22 port.
Introduce the embodiment of the invention below method of testing is provided.
In the embodiment of the invention, by changing the H parameter model, perhaps real-time update H parameter by changing the voltage or the electric current of electrically controlled attenuator, just can change the attenuation of signal between UE and the base station.
Testing process as shown in Figure 8 then can be simulated a plurality of scenes, and method of testing comprises step:
S101, channel simulator are realized being connected of base station and user equipment (UE) under the current simulated scenario.
The base station parameter relevant under the configuration of S102, parameter configuration unit and the current simulated scenario with UE, and determine the attenuation of signal between current base station and the UE according to this parameter.
Wherein, the gain that this attenuation is removed antenna by the space channel decay obtains, and can use formula: attenuation L=20log (λ/4 π R)-GNB-GUE for free space, calculates the attenuation of signal between base station and the UE.Wherein, λ represents the wavelength of working frequency range, and R represents the distance between UE and the NB, and GNB represents the gain of NB antenna, and GUE represents the gain of UE antenna.
Wherein, the base station parameter relevant with UE under parameter configuration unit configuration and the current simulated scenario comprises sub-district and UE parameter (specifically comprising cell power, bs antenna gain, UE maximum transmission power and UE antenna gain etc.), base station location coordinate parameters, UE initial position, UE moving line and speed.When UE moved, this attenuation will change thereupon.
The attenuation of unit according to signal between current base station and the UE made in S103, electricity regulation and control, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
Wherein, between the attenuation of signal, satisfy formula L=20logH between H parameter and base station and the UE, therefore,, can calculate the attenuation of signal between base station and the UE by this formula and H parameter.For electrically controlled attenuator, the attenuation of signal between base station that obtains by electrically controlled attenuator and the UE, and certain corresponding relation (being generally linear relationship) is arranged between the voltage of this electrically controlled attenuator or the electric current, voltage or electric current by the control electrically controlled attenuator just can make that the attenuation of signal reaches predetermined value between base station and the UE by electrically controlled attenuator.
Simulated scenario for the single user in single sub-district:
For example, adopt device shown in Figure 6, the A1 port connects the base station, and the B1 port connects UE, changes the size of H11, then can simulate a UE in the single sub-district apart from the distance of base station; Adjust the size of H11 in real time, be equivalent to simulate the situation of movement of UE in the sub-district.Port A1 is connected the base station be connected UE, the transmitting power and the mode of operation of base station is set with port B1; Set the geographical position coordinates of base station, and the initial position of UE, obtain the pad value between UE and the base station, just can determine the value (for example description among the step S102) of H parameter this time, and the attenuation of signal between A1 port just can calculate initial condition with this time and the B1 port, make the voltage or the size of current of unit output with the electricity regulation and control of correspondence, set movement locus and the speed of UE, just can draw the real time position of UE, also can obtain UE and NB, it is the real-time pad value (for example description among the step S102) between A1 and the B1, just can draw the H11 real time data, and the size (for example description among the step S103) adjusted in real time of voltage or electric current, and simulate the service characteristic of this UE at this base station cell with this.
Simulated scenario for single sub-district multi-user:
For example, adopt device shown in Figure 6, the A1 port connects the base station, and the B1 port connects UE1 respectively to UE8 to the B8 port, changes the size of H11 to H18, can simulate the situation that inserts a plurality of UE in the same sub-district; Adjust the size of H11, H12...H18 in real time, be equivalent to simulate the situation of movement of each UE in the sub-district.
Simulated scenario for the single user in many sub-districts:
For example, adopt device shown in Figure 6, the A1 port connects 4 base stations respectively to the A4 port, and the B1 port connects a UE, changes the size of H11 to H41, can simulate the situation that same UE receives obstructed cell signal; Adjust in real time the size of H11, be equivalent to simulate the UE situation of movement to H41, and apart from the distance relation of each sub-district.
Simulated scenario for many sub-districts multi-user:
For example, adopt device shown in Figure 6, the A1 port connects 4 base stations respectively to the A4 port, and the B1 port connects UE1 respectively to UE8 to the B8 port, change H11 to H18, H21 to H28, H31 to the size of H48, can simulate the situation of a plurality of UE of access in a plurality of sub-districts to H38 and H41; Adjust in real time each H parameter size, be equivalent to simulate each UE the moving of sub-district, switch the sub-district, disturb or the like situation.
In the parameter configuration interface that parameter configuration unit provides, 4 base stations are set, and connectivity port A1 is to A4 respectively, and 8 UE connect B1 respectively to B8, have just determined that 32 H parameters will be disposed in real time this time; The positional information of base station and UE is set, and calculate H parameter and corresponding needed voltage or current parameters between each UE and each base station with this, electricity regulation and control system unit is according to the control information (voltage or size of current) of calculating, and the adjustment electricity is transferred control voltage or the electric current on the mixed-media network modules mixed-media.The track that is provided with according to UE and speed can calculate real-time H parameter and to the size in requisition for control voltage or electric current, electricity regulation and control system unit is according to the control voltage of every channel correspondence or the size of electric current in the real-time H parameter adjustment electricity regulation and control system mixed-media network modules mixed-media.
This process has been simulated a plurality of UE and has been moved the channel circumstance caused change in wireless environment, and to switch and the cell downlink followed disturbs and characteristics such as are disturbed up and down in the sub-district this sub-district that takes place.
For many antennas (single sub-district or many sub-districts, single user or multi-user) simulated scenario:
When a plurality of antenna was contained in sub-district, for example, antenna 1 met port A1, and antenna 2 meets port A2, and the B1 port meets UE1, the B2 port meets UE2, had then described the situation that 2 UE are inserted in a sub-district of containing two antennas.
In sum, in the testing scheme that the embodiment of the invention provides, being connected of base station and UE is more flexible, various, can support various test scenes, possesses the automatic test function, improves testing efficiency, saves testing cost.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a testing apparatus is characterized in that, this device comprises:
Channel simulator is used to realize being connected of base station and user equipment (UE) under the current simulated scenario;
Parameter configuration unit, be used to dispose with current simulated scenario under the base station parameter relevant with UE, and determine the attenuation of signal between current base station and the UE according to this parameter;
Electricity regulation and control system unit, be used for attenuation according to signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
2. device according to claim 1 is characterized in that, described channel simulator comprises first group of port and second group of port, and wherein, first group of port is used for linking to each other with the base station, and second group of port is used for linking to each other with UE;
Each port in first group of port with each port in second group of port, links to each other by electrically controlled attenuator.
3. device according to claim 2 is characterized in that, described first group of port and second group of port are positioned at same electricity and transfer on the internet module;
Perhaps,
Described first group of port and/or second group of port are positioned at a plurality of electricity and transfer on the internet module.
4. according to claim 1,2 or 3 described devices, it is characterized in that,, comprising with the relevant parameter of base station and UE under the current simulated scenario:
The transmitting power of base station and mode of operation, and the position of base station and UE.
5. according to claim 1,2 or 3 described devices, it is characterized in that described current simulated scenario is one of following scenario:
Single single user's in sub-district simulated scenario;
Single sub-district multi-user's simulated scenario;
The single user's in many sub-districts simulated scenario;
Many sub-districts multi-user's simulated scenario;
Many antennas simulated scenario.
6. a method of testing is characterized in that, this method comprises:
Channel simulator is realized being connected of base station and user equipment (UE) under the current simulated scenario;
The base station parameter relevant under parameter configuration unit configuration and the current simulated scenario with UE, and determine the attenuation of signal between current base station and the UE according to this parameter;
Electricity regulation and control system unit is according to the attenuation of signal between current base station and the UE, input in the channel simulator voltage or the electric current of the electrically controlled attenuator of channel correspondence between the base station and UE by adjustment, adjust the attenuation of signal between base station and the UE, to realize test to the systematic function of current simulated scenario correspondence.
7. method according to claim 6 is characterized in that, described channel simulator comprises first group of port and second group of port, and wherein, first group of port is used for linking to each other with the base station, and second group of port is used for linking to each other with UE;
Each port in first group of port with each port in second group of port, links to each other by electrically controlled attenuator.
8. method according to claim 7 is characterized in that, described first group of port and second group of port are positioned at same electricity and transfer on the internet module;
Perhaps,
Described first group of port and/or second group of port are positioned at a plurality of electricity and transfer on the internet module.
9. according to claim 6,7 or 8 described methods, it is characterized in that,, comprising with the relevant parameter of base station and UE under the current simulated scenario:
The transmitting power of base station and mode of operation, and the position of base station and UE.
10. according to claim 6,7 or 8 described methods, it is characterized in that described current simulated scenario is one of following scenario:
Single single user's in sub-district simulated scenario;
Single sub-district multi-user's simulated scenario;
The single user's in many sub-districts simulated scenario;
Many sub-districts multi-user's simulated scenario;
Many antennas simulated scenario.
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| CN102917398A (en) * | 2012-10-29 | 2013-02-06 | 大唐移动通信设备有限公司 | Method, device and system for testing unlink and downlink demodulation |
| CN104283623A (en) * | 2014-10-01 | 2015-01-14 | 工业和信息化部电信研究院 | MIMO-OTA testing method supporting multi-cell interference |
| CN105992234A (en) * | 2015-02-15 | 2016-10-05 | 中兴通讯股份有限公司 | Method and system for simulating borderless network channel environment |
| CN107809289A (en) * | 2017-10-31 | 2018-03-16 | 深圳无线电检测技术研究院 | A kind of radio terminal performance test method and apparatus |
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| CN111866918A (en) * | 2019-04-30 | 2020-10-30 | 大唐联仪科技有限公司 | Terminal test system and method |
| 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 |
| CN114125918A (en) * | 2020-08-31 | 2022-03-01 | 大唐移动通信设备有限公司 | Simulation test system, method, device, base station and medium for service performance of base station |
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