CN212379488U - Antenna test system - Google Patents
Antenna test system Download PDFInfo
- Publication number
- CN212379488U CN212379488U CN202020466403.6U CN202020466403U CN212379488U CN 212379488 U CN212379488 U CN 212379488U CN 202020466403 U CN202020466403 U CN 202020466403U CN 212379488 U CN212379488 U CN 212379488U
- Authority
- CN
- China
- Prior art keywords
- antenna
- signal
- radio frequency
- test
- frequency matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 137
- 239000000523 sample Substances 0.000 claims abstract description 60
- 239000011159 matrix material Substances 0.000 claims abstract description 50
- 230000010363 phase shift Effects 0.000 claims description 18
- 230000003068 static effect Effects 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000013522 software testing Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
In order to solve the technical problem that efficiency of software testing is lower, stability is relatively poor, unable free transform beam angle among the current passive antenna test technology, the utility model provides an antenna test system. The antenna test system comprises a test instrument device, a weight configuration device and a darkroom for placing an antenna, wherein the weight configuration device comprises a radio frequency matrix and a control module, the control module is connected with the radio frequency matrix, the test instrument device is connected with the radio frequency matrix, the radio frequency matrix is used for being connected with the antenna, the darkroom is provided with a probe, and the probe is connected with the test instrument device. The utility model can adjust the beam angle of the third signal without changing the hardware structure and only adjusting the weight parameter of the weight configuration device, thereby improving the efficiency and stability of the antenna test; the weight parameter can be flexibly and freely adjusted, so that the beam angle of the third signal can be freely changed.
Description
Technical Field
The utility model relates to a communication technology test field, concretely relates to antenna test system.
Background
With the continuous development of 5G, the antenna test closely connected with the 5G radio frequency unit is more and more important. The test of current 5G passive antenna adopts the merit to divide the board to connect more, and the weight according to the difference during the test, changes different merit and divides the board, and this just makes efficiency of software testing lower, stability is relatively poor, can't freely transform the beam angle. Global antenna equipment manufacturers urgently need a complete, reliable and efficient passive antenna test system.
Therefore, a scheme is needed to be provided to solve the technical problems of low test efficiency, poor stability and incapability of freely transforming the beam angle in the conventional passive antenna test technology.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that efficiency of software testing is lower, stability is relatively poor, unable free transform beam angle among the current passive antenna test technology, the utility model provides an antenna test system. The utility model discloses specifically be realized with following technical scheme.
The utility model provides an antenna test system, including test instrument device, weight configuration device and the darkroom that is used for placing the antenna, weight configuration device includes radio frequency matrix and control module, control module with the radio frequency matrix connection, test instrument device with the radio frequency matrix connection, the radio frequency matrix is used for with the antenna connection, the darkroom is equipped with the probe, the probe with the test instrument device is connected;
the control module is used for adjusting the weight parameter of the radio frequency matrix to a target parameter, the test instrument device is used for sending a first signal to the radio frequency matrix, the radio frequency matrix is used for generating a second signal according to the first signal and the weight parameter adjusted by the control module, and sending the second signal to the antenna, so that the antenna generates a third signal according to the second signal and sends the third signal to the probe, and the probe is used for sending the third signal to the test instrument device.
The utility model provides a further improvement of antenna test system lies in, the radio frequency matrix is the radio frequency matrix of MXN, the radio frequency matrix is equipped with N first ports and M second ports, N and M are positive integer;
the radio frequency matrix comprises a first power dividing unit, a phase shifting unit and a second power dividing unit, the first port is respectively connected with the test instrument device and the first power dividing unit, the first power dividing unit is connected with the phase shifting unit, the phase shifting unit is connected with the second power dividing unit, and the second power dividing unit is used for being connected with the antenna;
or, the radio frequency matrix includes a first power dividing unit, a phase-shift attenuation module, and a second power dividing unit, where the first port is connected to the test instrument device and the first power dividing unit, the first power dividing unit is connected to the phase-shift attenuation module, the phase-shift attenuation module is connected to the second power dividing unit, and the second power dividing unit is used for being connected to the antenna.
The utility model provides a further improvement of antenna test system lies in, still includes switching device, switching device respectively with the probe with the test instrument device is connected.
The utility model provides a further improvement of the antenna test system lies in that a rotatable turntable for placing the antenna is arranged in the darkroom;
the test instrument device is provided with N output ends and N input ends, the output end of the test instrument device is connected with the first port, the switch device is provided with a plurality of static contacts and N moving contacts, the static contacts are connected with the probe, and the moving contacts are connected with the input end of the test instrument device;
the switch device selects a static contact according to the position of the probe and the position of the antenna, and controls the movable contact to be connected with the selected static contact, so that the probe corresponding to the selected static contact is conducted with the test instrument device.
The utility model provides a further improvement of antenna test system lies in that, the test instrument device includes N signal transceiver modules, the output of signal transceiver module is the output of test instrument device, the input of signal transceiver module is the input of test instrument device;
the signal transceiver module is a vector network analyzer, or the signal transceiver module comprises a signal source and a spectrometer, or the signal transceiver module comprises a signal source and a power meter.
The utility model provides a further improvement of antenna test system lies in, when N equals 1, the quantity of antenna is one;
when N is greater than 1, the number of the antennas is at least two.
The utility model provides a further improvement of antenna test system lies in, still includes the keysets, the first side of keysets is equipped with first interface, the second side of keysets is equipped with the second interface, first interface with the second port is connected, the second interface with the antenna connection.
The utility model provides a further improvement of antenna test system lies in, first interface pass through the radio frequency cable with the second port is connected, the second interface through insert the connecting piece soon with antenna connection.
The utility model provides an antenna test system's further improvement lies in, still includes power amplifier device, power amplifier device locates test instrument device's output with between the weight configuration device, perhaps, power amplifier device locates test instrument device's input with between the switching device.
The utility model can serve antenna equipment merchants, base station equipment merchants, operators, scientific research institutions and standard making institutions; and a mode of combining conduction and OTA (Over The Air) test is adopted, so that The basic performance test is met, The environment construction cost is saved, and The construction period is shortened. The utility model solves the problems of complex building of antenna test environment, high cost and low test efficiency; each component can be flexibly controlled through a highly integrated control system without switching among different systems; the integrated weight configuration device has smaller volume and is more convenient to install; the data under the mutual interference state of the multiple antennas can be tested. The utility model can adjust the beam angle of the third signal without changing the hardware structure and only adjusting the weight parameter of the weight configuration device, thereby improving the efficiency and stability of the antenna test; the weight parameter can be flexibly and freely adjusted, so that the beam angle of the third signal can be freely changed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a connection relationship between an antenna test system and an antenna according to an embodiment of the present invention.
Fig. 2 is a schematic top view of the inner structure of the darkroom in the embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of an embodiment of the present invention.
Fig. 4 is a schematic diagram of another circuit structure of the rf matrix according to an embodiment of the present invention.
Fig. 5 is an antenna pattern.
Fig. 6 is a schematic circuit diagram of a switching device according to an embodiment of the present invention.
Fig. 7 is a schematic view of a connection relationship between an antenna test system and an antenna according to an embodiment of the present invention when N is equal to 3.
Fig. 8 is a schematic view of an installation structure of a plurality of antennas in a darkroom.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to solve the technical problem that efficiency of software testing is lower, stability is relatively poor, unable free transform beam angle among the current passive antenna test technology, the utility model provides an antenna test system. The utility model discloses specifically be realized with following technical scheme.
Example (b):
referring to fig. 1 and fig. 2, an antenna testing system provided in this embodiment includes a testing instrument device 10, a weight configuration device 20, and a darkroom 40 for placing an antenna 41, where the weight configuration device 20 includes a radio frequency matrix and a control module, the control module is connected to the radio frequency matrix, the testing instrument device 10 is connected to the radio frequency matrix, the radio frequency matrix is used for being connected to the antenna 41, the darkroom 40 is provided with a probe 42, and the probe 42 is connected to the testing instrument device 10; the control module is used for adjusting the weight parameter of the radio frequency matrix to a target parameter, the test instrument device 10 is used for sending a first signal to the radio frequency matrix, the radio frequency matrix is used for generating a second signal according to the first signal and the weight parameter adjusted by the control module, and sending the second signal to the antenna 41, so that the antenna 41 generates a third signal according to the second signal and sends the third signal to the probe 42, and the probe 42 is used for sending the third signal to the test instrument device 10.
In this embodiment, a first signal sent by the test instrument device 10 is adjusted by the weight configuration device 20 to form a second signal, the weight configuration device 20 sends the second signal to the antenna 41, the antenna 41 sends a third signal to the probe 42, and the probe 42 sends the received third signal to the test instrument device 10, so that the test instrument device 10 can collect the received third signal to determine indexes such as a directional pattern, gain, 3dB beam width, antenna efficiency, abdominal lobe, front-to-back ratio, zero depth, and the like of the current antenna 41.
In this embodiment, the weight configuration device 20 may perform corresponding adjustment on the first signal according to the weight parameter of the radio frequency matrix, and the control module adjusts the weight parameter of the radio frequency matrix, and the second signal and the third signal that are correspondingly generated after the weight parameter is changed may also be changed. In the antenna test, a third signal with a different beam angle is needed to test the antenna 41; in this embodiment, the beam angle of the third signal can be adjusted only by adjusting the weight parameter of the weight configuration device 20 without changing the hardware structure, so that the efficiency and stability of the antenna test are improved; the weight parameter can be flexibly and freely adjusted, so that the beam angle of the third signal can be freely changed.
In this embodiment, the darkroom 40 may be cylindrical, the probes 42 are uniformly disposed on the sidewall of the darkroom 40, the antenna 41 is located at the center of the darkroom 40, and the antenna 41 and the probes 42 transmit signals in a wireless transmission manner. The antenna 41 in this embodiment may be a 5G passive antenna. The weight configuration device 20 further includes a power supply module, where the power supply module is connected to the radio frequency matrix, and the power supply module is used to supply power to the radio frequency matrix. The antenna test system is provided with a cabinet; the weight configuration device 20 further comprises a chassis frame, and the radio frequency matrix, the control module and the power supply module are all installed in the chassis frame; the chassis frame may be embedded in a cabinet or a pole of the antenna testing system, so that the weight configuration device 20 is fixed in the antenna testing system.
With reference to fig. 3 and 4, further, the radio frequency matrix is an mxn radio frequency matrix, the radio frequency matrix is provided with N first ports and M second ports, and N and M are positive integers; the radio frequency matrix includes a first power dividing unit 21, a phase shifting unit 23, and a second power dividing unit 22, where a first port is connected to the test instrument 10 and the first power dividing unit 21, the first power dividing unit 21 is connected to the phase shifting unit 23, the phase shifting unit 23 is connected to the second power dividing unit 22, and the second power dividing unit 22 is used to be connected to the antenna 41.
In this embodiment, N may take a value of 1, 2, 4, 8, 16, 31, or 64, and M may take a value of 4, 8, 16, 32, 64, 128, 256, or 512. M multiplied by N radio frequency channels are formed between the M second ports and the N first ports, and each radio frequency channel comprises a path of phase shifting unit 23; each first port is provided with a 1/M first power division unit 21, and each second port is provided with a 1/N second power division unit 22; in downlink transmission of signals, the first power dividing unit 21 is used for signal splitting, and the second power dividing unit 22 is used for signal combining; the phase shift unit 23 is used for phase shift processing, wherein the phase shift value of the phase shift unit 23 is adjustable, and the control module can adjust the phase shift value of the phase shift unit 23, thereby adjusting the weight parameter. In the uplink transmission of signals, the second power dividing unit 22 is used for signal splitting, and the first power dividing unit 21 is used for signal combining.
In this embodiment, the phase shift unit 23 may also be replaced by a phase shift attenuation unit 24, the phase shift attenuation unit 24 is used for phase shift processing and amplitude modulation processing, and the control module may adjust a phase shift value and an amplitude adjustment value of the phase shift attenuation unit 24, so as to adjust the weight parameter.
In this embodiment, the control module may assign the same or different weights to the radio frequency channels of the radio frequency matrix.
In this embodiment, the control module is provided with a human-computer interaction unit, and the control module may first obtain a target beam angle, where the target beam angle may be input by a user through the human-computer interaction unit, or may be a preset value stored by the control module. The human-computer interaction unit can be a touch screen or a voice input unit. And then, the control module determines a weight value to be assigned to each channel in the radio frequency matrix according to the acquired target beam angle, namely, determines a target parameter. Specifically, referring to fig. 5, assuming that the target beam angle is (θ, Φ), the antenna 41 connected to the second port is an i × j area array, the distance between the transverse adjacent vibrators is Di, the distance between the longitudinal adjacent vibrators is Dj, and λ is a wavelength, for the beam angle (θ, Φ), when N is equal to 1, the phase of the mx 1 radio frequency channel is set as:
PS＝(j-1)*2π*Di/λ*sin(θ)+(i-1)*2π*Dj/λ*sin(φ)
then, the attenuation value of the channel is adjusted according to the signal power obtained by the test instrument device 10 in real time, so as to achieve the setting of the target weight (target parameter).
Further, a switch device 50 is included, and the switch device 50 is connected to the probe 42 and the test meter device 10, respectively. The switch device 50 in this embodiment is used to control the connection or disconnection between the probe 42 and the test meter device 10.
As shown in fig. 1, 6 and 7, a rotatable turntable for placing an antenna 41 is further provided in the darkroom 40; the test instrument device 10 is provided with N output ends and N input ends, the output end of the test instrument device 10 is connected with the first port, the switch device 50 is provided with a plurality of static contacts and N moving contacts, the static contacts are connected with the probe 42, and the moving contacts are connected with the input end of the test instrument device 10; the switch device 50 selects a fixed contact according to the probe position and the antenna position, and controls the movable contact to connect the selected fixed contact, so that the probe 42 corresponding to the selected fixed contact is conducted with the test instrument device 10.
In this embodiment, the turntable may be located at the center of the darkroom 40, and the antenna 41 may be hung on the turntable during testing. Specifically, the center of the top surface of the turntable extends upward to form a central axis, and the antenna 41 may be hung on the central axis of the turntable; the motor is arranged inside the rotary table and can drive the rotary table to rotate 360 degrees in a horizontal plane, so that the antenna 41 is driven to rotate.
In this embodiment, N output ends of the test instrument device 10 are connected to N first ports of the weight configuration device 20 in a one-to-one correspondence manner, and each output end of the test instrument device 10 can output a first signal. The number of the probes 42 is equal to the number of the fixed contacts of the switch device 50, in this embodiment, the number of the fixed contacts is set to Y, the probes 42 are connected to the fixed contacts in a one-to-one correspondence, and the probes 42 may be connected to the fixed contacts through radio frequency cables. The switch device 50 can control the movable contact to connect with the selected stationary contact, so as to conduct the probe 42 corresponding to the selected stationary contact with the movable contact and the test instrument device 10. By controlling the movable contacts, the connection of the test meter device 10 to each probe 42 can be switched. The number of the movable contacts is equal to the number of the input ends of the test instrument device 10, and the movable contacts and the input ends are connected in a one-to-one correspondence manner.
In the process of testing the antenna, the antenna 41 may rotate along with the rotation of the turntable, the relative position between the antenna 41 and the probe 42 may change, and the switch device 50 may select the fixed contact according to the antenna position and the probe position, so as to select the fixed contact corresponding to the probe 42 at a certain angle with respect to the antenna 41 and connect the movable contact to the fixed contact, so as to conduct the probe 42 (the probe 42 at a certain angle with respect to the antenna 41) with the test instrument device 10, and transmit the third signal received by the probe 42 to the test instrument device 10. The N moving contacts may be connected to the same fixed contact at the same time, or connected to different fixed contacts, as long as the probe 42 corresponding to the fixed contact meets the condition of the position relationship between the probe 42 and the antenna 41. For example, assuming that all the probes are on a plane perpendicular to the antenna surface, when the number of probes is Y, the effective angle between each probe and the antenna is 360/Y; starting from the antenna facing the first probe, the moving contact is connected with the static contact opposite to the first probe; after the antenna rotates 360/Y/2 degrees, the moving contact is switched and connected to the second fixed contact by the first fixed contact; and after the antenna rotates by 360/Y degrees, the movable contact is switched from the second fixed contact to the third fixed contact. In practice the probes will also be distributed in the vertical direction; in the vertical direction, a plurality of probes meeting the position condition relation can be arranged at the same time, and the movable contact can be connected with any probe.
Specifically, a position sensor may be disposed in the darkroom 40 for detecting the position of the antenna in real time; the switching device 50 further comprises a control unit which is respectively connected with the motor, the position sensor and the moving contact of the turntable; the control unit can control the motor to drive the turntable to rotate, can select a static contact according to the position of the probe and the position of the antenna acquired by the position sensor, and can control a moving contact of the switch device 50 to be switched and connected with different static contacts, so that when the antenna 41 rotates to a certain angle, the corresponding probe 42 can receive corresponding radio-frequency signals. The control unit may be provided separately from the switching device 50 or may be integrated in the switching device 50.
As shown in fig. 7, further, the test instrument device 10 includes N signal transceiver modules, an output end of the signal transceiver module is an output end of the test instrument device 10, and an input end of the signal transceiver module is an input end of the test instrument device 10; the signal transceiver module is a vector network analyzer 11, or the signal transceiver module includes a signal source and a spectrometer, or the signal transceiver module includes a signal source and a power meter. The vector network analyzer 11 can send a first signal and receive a third signal for analysis; the signal source may transmit a first signal; the spectrometer or power meter may receive and analyze the third signal.
Further, when N is equal to 1, the number of antennas 41 is one; when N is greater than 1, the number of antennas 41 is at least two. Since each antenna 41 needs to have an independent signal transmitting end and an independent signal receiving end, each pair of transceiving ends (the signal transmitting end and the signal receiving end of the antenna) needs to correspond to one or one set of signal transceiving module, and therefore the number of N needs to be determined according to the number of the antennas 41.
When N is equal to 1, the number of the movable contacts of the switch device 50 is 1, the number of the ports of the patch panel and the number of the ports of the antenna 41 are both M, the number of the vector network analyzers 11 is 1, and the number of the first ports of the weight configuration device 20 is 1.
When N is greater than 1, the weight configuration device 20 may connect to multiple antennas 41 at the same time, where M is equal to the product of the number of ports of each antenna 41 and the number of antennas 41; the antenna test system can simultaneously test the spot beams of the antennas 41, and can test and analyze the mutual interference between the antennas 41. As shown in fig. 8, a plurality of antennas 41 may be mounted on the center axis of the turntable. For example, as shown in fig. 7, when N is equal to 3, the number of the movable contacts of the switch device 50 is 3, the number of the ports of the interposer and the number of the ports of the antenna 41 are both M, the number of the vector network analyzers 11 is 3, and the number of the first ports of the weight configuration device 20 is 3.
Furthermore, the antenna further comprises an adapter plate, wherein a first interface is arranged on a first side of the adapter plate, a second interface is arranged on a second side of the adapter plate, the first interface is connected with the second interface through a radio frequency cable, and the second interface is connected with the antenna 41 through a quick-plug connecting piece. The patch board is used to connect the weight configuration device 20 and the antenna 41, and the number of the second interfaces of the patch board is the same as the total number of ports of the antenna 41.
Furthermore, the power amplifier device is disposed between the output end of the test instrument device 10 and the weight value configuration device 20, or disposed between the input end of the test instrument device 10 and the switch device 50. When the power amplifier device is arranged between the output end of the test instrument device 10 and the weight configuration device 20, the power amplifier device can amplify the first signal; when the power amplifier is arranged between the input end of the test instrument device 10 and the switch device 50, the third signal can be amplified; the power amplifier device can further ensure the precision of the signal received by the test instrument device 10.
The antenna test method for testing by using the antenna test system in the embodiment comprises the following steps: placing the antenna 41 in the darkroom 40; initializing an antenna test system; adjusting the weight parameter of the radio frequency matrix of the weight configuration device 20 to the target parameter; controlling the test instrument device 10 to send a first signal to the radio frequency matrix so that the radio frequency matrix generates a second signal according to the first signal and the adjusted weight parameter, and sending the second signal to the antenna 41, wherein the antenna 41 sends the second signal to the probe 42, and the probe 42 sends the second signal to the test instrument device 10; and returning to the step of adjusting the weight parameters of the radio frequency matrix of the weight configuration device 20 to the target parameters until the adjustment times reach the preset times. Wherein the preset times can be preset.
Further, an antenna 41 is provided on a rotatable turntable of the darkroom 40; the antenna test system further comprises a switch device 50, wherein the switch device 50 is provided with a plurality of static contacts and at least one moving contact, the static contacts are connected with the probe 42, and the moving contact is connected with the test instrument device 10; the antenna test method further comprises the following steps: before the antenna 41 generates a third signal according to the second signal and sends the third signal to the probe, the control switch device 50 selects a fixed contact according to the probe position and the antenna position, and controls the movable contact to connect the selected fixed contact, so that the probe 42 corresponding to the selected fixed contact is conducted with the test instrument device 10.
The utility model discloses demand and characteristics to the test of 5G passive antenna provide an antenna test system, serve antenna equipment merchant, basic station equipment merchant, operator, scientific research institute and standard establishment. The utility model discloses a mode that conduction and OTA test (Over The Air) combined together, The basic capability test of both having satisfied, practice thrift The environment again and set up The cost, shortened The period of buildding. The utility model solves the problems of complex building of antenna test environment, high cost and low test efficiency; each component can be flexibly controlled through a highly integrated control system without switching among different systems; the integrated weight configuration device 20 has a smaller volume and is more convenient to install; the data of the multiple antennas 41 in the mutual interference state can be tested.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An antenna test system is characterized by comprising a test instrument device, a weight configuration device and a darkroom for placing an antenna, wherein the weight configuration device comprises a radio frequency matrix and a control module, the control module is connected with the radio frequency matrix, the test instrument device is connected with the radio frequency matrix, the radio frequency matrix is used for being connected with the antenna, the darkroom is provided with a probe, and the probe is connected with the test instrument device;
the control module is used for adjusting the weight parameter of the radio frequency matrix to a target parameter, the test instrument device is used for sending a first signal to the radio frequency matrix, the radio frequency matrix is used for generating a second signal according to the first signal and the weight parameter adjusted by the control module, and sending the second signal to the antenna, so that the antenna generates a third signal according to the second signal and sends the third signal to the probe, and the probe is used for sending the third signal to the test instrument device.
2. The antenna test system of claim 1, wherein the radio frequency matrix is an mxn radio frequency matrix having N first ports and M second ports, N and M being positive integers;
the radio frequency matrix comprises a first power dividing unit, a phase shifting unit and a second power dividing unit, the first port is respectively connected with the test instrument device and the first power dividing unit, the first power dividing unit is connected with the phase shifting unit, the phase shifting unit is connected with the second power dividing unit, and the second power dividing unit is used for being connected with the antenna;
or, the radio frequency matrix includes a first power dividing unit, a phase-shift attenuation module, and a second power dividing unit, where the first port is connected to the test instrument device and the first power dividing unit, the first power dividing unit is connected to the phase-shift attenuation module, the phase-shift attenuation module is connected to the second power dividing unit, and the second power dividing unit is used for being connected to the antenna.
3. The antenna test system of claim 2, further comprising a switching device connected to the probe and the test meter device, respectively.
4. The antenna testing system of claim 3, wherein a rotatable turntable for placing the antenna is provided in the darkroom;
the test instrument device is provided with N output ends and N input ends, the output end of the test instrument device is connected with the first port, the switch device is provided with a plurality of static contacts and N moving contacts, the static contacts are connected with the probe, and the moving contacts are connected with the input end of the test instrument device;
the switch device selects a static contact according to the position of the probe and the position of the antenna, and controls the movable contact to be connected with the selected static contact, so that the probe corresponding to the selected static contact is conducted with the test instrument device.
5. The antenna test system of claim 4, wherein the test instrumentation arrangement includes N signal transceiver modules, an output of the signal transceiver modules being an output of the test instrumentation arrangement, an input of the signal transceiver modules being an input of the test instrumentation arrangement;
the signal transceiver module is a vector network analyzer, or the signal transceiver module comprises a signal source and a spectrometer, or the signal transceiver module comprises a signal source and a power meter.
6. The antenna test system of claim 2, wherein when N is equal to 1, the number of antennas is one;
when N is greater than 1, the number of the antennas is at least two.
7. The antenna test system of claim 2, further comprising an interposer, wherein a first side of the interposer is provided with a first interface, and a second side of the interposer is provided with a second interface, the first interface being connected to the second interface, and the second interface being connected to the antenna.
8. The antenna test system of claim 7, wherein the first interface is coupled to the second port via a radio frequency cable and the second interface is coupled to the antenna via a quick-connect connector.
9. The antenna test system of claim 3, further comprising a power amplifier device, the power amplifier device being disposed between the output terminal of the test instrument device and the weight configuration device, or the power amplifier device being disposed between the input terminal of the test instrument device and the switch device.
10. The antenna test system of claim 2, wherein N is 1, 2, 4, 8, 16, 31, or 64 and M is 4, 8, 16, 32, 64, 128, 256, or 512.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466403.6U CN212379488U (en) | 2020-04-02 | 2020-04-02 | Antenna test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466403.6U CN212379488U (en) | 2020-04-02 | 2020-04-02 | Antenna test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379488U true CN212379488U (en) | 2021-01-19 |
Family
ID=74159496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020466403.6U Active CN212379488U (en) | 2020-04-02 | 2020-04-02 | Antenna test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413553A (en) * | 2020-04-02 | 2020-07-14 | 南京捷希科技有限公司 | Antenna test system and test method |
-
2020
- 2020-04-02 CN CN202020466403.6U patent/CN212379488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413553A (en) * | 2020-04-02 | 2020-07-14 | 南京捷希科技有限公司 | Antenna test system and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108966264B (en) | System and method for performing over-the-air testing for large-scale multiple-input multiple-output wireless systems | |
| US10033473B1 (en) | Systems and methods for performing multiple input, multiple output (MIMO) over-the-air testing | |
| JP6174574B2 (en) | Antenna control | |
| WO2020224044A1 (en) | Antenna testing method and device, and storage medium | |
| US10684318B1 (en) | System and method for testing analog beamforming device | |
| US10935584B2 (en) | System and method for determining beam dynamics and multi-user performance of base station | |
| KR20210021399A (en) | System and method for OTA test to detect defective elements in active array antenna of ultra high frequency (EDF) wireless communication device | |
| US20050176376A1 (en) | Batch testing system and method for wireless communication devices | |
| US20100171650A1 (en) | Multi-antenna measurement method and multi-antenna measurement system | |
| EP3440784B1 (en) | Method and apparatus for antenna sub-array switching based on channel capacity | |
| CN113890637B (en) | Millimeter wave active antenna OTA test system and method and calibration method | |
| CN1963545A (en) | Apparatus and method for testing standing wave of multi-antenna radio-frequency signal | |
| WO2017000552A1 (en) | Method and apparatus for detecting connection line order of electrical tilting antenna | |
| CN111413553A (en) | Antenna test system and test method | |
| WO2020125230A1 (en) | Antenna alignment method, device, phased array antenna system, and readable storage medium | |
| CN212379488U (en) | Antenna test system | |
| Gao et al. | A virtual over-the-air method for 5G massive MIMO base station testing with flexible virtual probes | |
| WO2020220879A1 (en) | Mimo test apparatus for multi-antenna wireless device | |
| CN114124250B (en) | Radio frequency consistency test system of millimeter wave terminal equipment | |
| CN210778990U (en) | Quasi-plane wave generator based on dual-polarized antenna | |
| CN206294185U (en) | Support the darkroom of the configuration level ring of SISO and MIMO OTA | |
| KR20100032874A (en) | Raido repeater calibrating direction of antenna and method thereof | |
| CN112994768B (en) | Short-distance parallel wireless transmission system and method based on matrix inversion | |
| Zhang et al. | Achieving wireless cable testing for MIMO terminals based on maximum RSRP measurement | |
| CN110873824A (en) | Massive MIMO antenna test system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 312, Building B, Xingzhi Science and Technology Park, No. 6 Xingzhi Road, Nanjing Economic and Technological Development Zone, Jiangsu Province, 210038 Patentee after: Nanjing Jiexi Technology Co.,Ltd. Country or region after: China Address before: No. 278, Zhonghua Road, Qinhuai District, Nanjing, Jiangsu Patentee before: NANJING JIEXI TECHNOLOGY Co.,Ltd. Country or region before: China |