CN113364534B - Antenna test method, device and computer readable storage medium - Google Patents
Antenna test method, device and computer readable storage medium Download PDFInfo
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- CN113364534B CN113364534B CN202010144418.5A CN202010144418A CN113364534B CN 113364534 B CN113364534 B CN 113364534B CN 202010144418 A CN202010144418 A CN 202010144418A CN 113364534 B CN113364534 B CN 113364534B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/102—Power radiated at antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application provides an antenna test method, an antenna test device and a computer readable storage medium, wherein the method comprises the following steps: controlling a radio frequency transceiver chip to generate a test signal and adjusting the power of the test signal to obtain a first test signal, and then transmitting the first test signal through a radio frequency interface so that a terminal to be tested receives the first test signal through each antenna; then receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface; and further detecting whether the signal intensity of each second test signal is in a preset signal intensity range or not, and obtaining an antenna radiation test result of the terminal to be tested. The antenna radiation performance of the terminal to be tested is tested through the antenna testing equipment, so that the radiation performance of each antenna of the terminal to be tested can be conveniently and accurately detected.
Description
Technical Field
The present disclosure relates to the field of antennas, and in particular, to an antenna testing method, an apparatus, and a computer readable storage medium.
Background
With the development of communication technology, the 5G technology is gradually popularized, and multiple-in multiple-out (MIMO) technology is widely applied, so that the number of antennas on a communication product is increased, and the number of antennas connected to the same circuit board is increased. The more the number of antennas is increased, the greater the possibility of poor connection in the production line, resulting in the signal intensity radiated by the antennas failing to meet the normal operation performance.
At present, the valuable instrument forcedly emits useful signals on a certain frequency, the useful signals are sequentially switched to each antenna, the tested products are correspondingly and sequentially received on each antenna, and if the strength of the useful signals received by the tested products meets a preset threshold value, the performance of the antenna on the frequency is normal, but the cost is too high when the valuable instrument is used for testing. Therefore, how to design a testing device and a testing method with lower cost and higher cost performance, and test the radiation performance of the tested product is a problem to be solved at present.
Disclosure of Invention
The main purpose of the application is to provide an antenna testing method, an antenna testing device and a computer readable storage medium, which aim to accurately and conveniently detect the radiation performance of a plurality of antennas on a terminal to be tested.
In a first aspect, the present application provides an antenna testing method, including the steps of:
controlling the radio frequency transceiver chip to generate a test signal, wherein the frequency band of the test signal is the same as the working frequency band of the terminal to be tested;
adjusting the power of the test signal to obtain a first test signal, wherein the terminal to be tested is in a signal transmitting range corresponding to the power of the first test signal;
transmitting the first test signal through the radio frequency interface so that the terminal to be tested receives the first test signal through each antenna;
receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface;
and detecting whether the signal intensity of each received second test signal is within a preset signal intensity range, and obtaining an antenna radiation test result of the terminal to be tested.
In a second aspect, the present application further provides an antenna test apparatus, where the antenna test apparatus includes a radio frequency transceiver chip, a radio frequency interface, a processor, a memory, and a computer program stored on the memory and executable by the processor, where the computer program when executed by the processor implements the steps of the antenna test method as described above.
In a third aspect, the present application also provides a computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of an antenna test method as described above.
The application provides an antenna test method, an antenna test device and a computer readable storage medium, wherein a radio frequency transceiver chip is controlled to generate a test signal and adjust the power of the test signal to obtain a first test signal, and then the first test signal is transmitted through a radio frequency interface so that a terminal to be tested receives the first test signal through each antenna; then receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface; and further detecting whether the signal intensity of each second test signal is in a preset signal intensity range or not, and obtaining an antenna radiation test result of the terminal to be tested. The antenna radiation performance of the terminal to be tested is tested through the antenna testing equipment, so that the radiation performance of each antenna of the terminal to be tested can be conveniently and accurately detected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of an antenna testing method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a control circuit of the antenna test apparatus in the embodiment of the present application;
fig. 3 is a schematic diagram of a scenario in which an antenna test device detects a terminal to be tested in an embodiment of the present application;
fig. 4 is a schematic block diagram of an antenna test apparatus according to an embodiment of the present application.
The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The flow diagrams depicted in the figures are merely illustrative and not necessarily all of the elements and operations/steps are included or performed in the order described. For example, some operations/steps may be further divided, combined, or partially combined, so that the order of actual execution may be changed according to actual situations.
The embodiment of the application provides an antenna test method, antenna test equipment and a computer readable storage medium. The antenna test method can be applied to antenna test equipment.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a flow chart of an antenna testing method according to an embodiment of the present application.
As shown in fig. 1, the antenna testing method includes steps S101 to S105.
And step S101, controlling the radio frequency transceiver chip to generate a test signal, wherein the frequency band of the test signal is the same as the working frequency band of the terminal to be tested.
As shown in fig. 2, the antenna test device includes a radio frequency transceiver chip 101, a first power amplifier 102, a first power automatic attenuation network 103, a second power amplifier 104, a second automatic attenuation network 105, a coupler 106, a radio frequency interface 107, a single pole double throw switch 108, a power supply, and a control chip 109.
The radio frequency transceiver chip 101 is connected to the first power amplifier 102 and the second power amplifier 104, and the radio frequency transceiver chip 101 is configured to generate a first test signal and determine whether the received second test signal is within a preset signal strength range; the first power amplifier 102 and the first automatic attenuation network 103 are connected in series to the radio frequency transceiver chip 101, and the other end is connected to the single-pole double-throw switch 108; the second power amplifier 104 and the second automatic attenuation network 105 are connected in series with the radio frequency transceiver chip 101, and the other end of the second power amplifier is connected with the single-pole double-throw switch 108; the coupler 106 is connected to the radio frequency transceiver chip 101, and the coupler 106 couples the transmitting power into the radio frequency transceiver chip 101; the radio frequency interface 107 is connected to a single pole double throw switch 108, and the radio frequency interface 107 is used for transmitting and receiving test signals; the single pole double throw switch 108 is used for switching the circuit during signal receiving and transmitting; the power supply, control chip 109 is used to provide power and control to the various parts of the circuit.
It should be noted that the naming of the respective parts of the control circuit 100 of the antenna test apparatus in fig. 2 is only for identification purposes, and is not limited to the embodiments of the present application.
Before testing the radiation performance of the multiple antennas to be tested of the terminal to be tested, the radio frequency transceiver chip of the antenna test equipment is controlled to generate test signals, and the radiation performance of the multiple antennas to be tested is verified by using the test signals. The test signal may be selected according to practical situations, and the application is not limited herein, and optionally, the test signal includes a single tone signal, a BPSK, GMSK, QPSK signal, and the like.
In an embodiment, a user inputs a working frequency band of a terminal to be tested on antenna test equipment, controls the radio frequency transceiver chip to acquire the working frequency band of the terminal to be tested, and controls the radio frequency transceiver chip to generate a signal to be modulated; and controlling the radio frequency transceiver chip to perform frequency modulation on the signal to be modulated based on the working frequency band of the terminal to be tested to obtain the test signal, so that the frequency band of the test signal is the same as the working frequency band of the terminal to be tested. The working frequency band of the terminal to be tested is set according to the performance of the terminal to be tested, which is not particularly limited herein, for example, the working frequency band may be 1000Hz to 1500Hz.
For example, because the signal that can be received by the terminal to be tested is a single-tone signal, the radio frequency transceiver chip of the antenna test device is controlled to generate the single-tone signal, so that the antenna to be tested of the terminal to be tested can receive the single-tone signal. The single-tone signal is used as a test signal, and the method has the characteristics of simplicity in generation, lower cost and high cost performance, and greatly improves the efficiency and the cost performance of industrial production.
Step S102, adjusting the power of the test signal to obtain a first test signal, wherein the terminal to be tested is in a signal transmitting range corresponding to the power of the first test signal.
The antenna test equipment further comprises a radio frequency transmission link, wherein the radio frequency transmission link comprises a power amplifier and an automatic attenuation network. The transmitting power of the test signal is adjusted through the power amplifier, so that enough transmitting power is obtained; the accuracy of the emission is adjusted by the automatic attenuation network to obtain the accuracy with enough accuracy. The power amplifier may be selected according to practical situations, which is not specifically limited herein, and optionally, a radio frequency power amplifier; the automatic attenuation network may be selected according to practical situations, and the application is not particularly limited herein.
In one embodiment, the power of the test signal is adjusted by the power amplifier; and carrying out attenuation treatment on the test signal subjected to power adjustment through the automatic attenuation network so as to adjust the power precision of the test signal, thereby obtaining the first test signal.
In one embodiment, the automatic attenuation network is used for carrying out attenuation processing on the test signal after power adjustment; coupling the power of the test signal subjected to attenuation treatment to the radio frequency transceiver chip through a coupling port of the coupler; detecting whether the power of the test signal subjected to attenuation treatment is in a preset power range or not through a detector of the radio frequency transceiver chip; and if the power of the test signal subjected to the attenuation processing is in a preset power range, taking the test signal subjected to the attenuation processing as the first test signal. The preset power range is set according to actual situations, and the application is not specifically limited herein. The power of the test signal is coupled to the radio frequency transceiver chip through the coupling port of the coupler, and whether the power of the test signal is in a preset power range or not is determined, so that the accuracy of detecting the antenna radiation of the terminal to be detected is improved.
The single pole double throw switch of the antenna test equipment is controlled to be adjusted to one port of the automatic attenuation network for signal transmission, the test signal attenuated by the automatic attenuation network is transmitted to the coupler, the coupler couples and transmits the test signal to the radio frequency transceiver chip, the detector in the radio frequency transceiver chip detects the power of the test signal, the power of the test signal is 20dBm, the preset power range is 15 dBm-25 dBm, the power of the test signal is determined to be in the preset power range, and the test signal is used as a first test signal.
In one embodiment, the power of the test signal after the attenuation treatment is coupled to the radio frequency transceiver chip through a coupling port of the coupler; detecting whether the power of the test signal subjected to attenuation treatment is in a preset power range or not through a detector of the radio frequency transceiver chip; if the power of the test signal after the attenuation processing is not in the preset power range, the power of the test signal is readjusted so that the adjusted power is in the preset power range. The accuracy of antenna radiation performance detection is improved by adjusting the power of the test signal.
The single pole double throw switch of the antenna test equipment is controlled to be adjusted to one port of the automatic attenuation network for signal transmission, the test signal attenuated by the automatic attenuation network is transmitted to the coupler, the coupler couples and transmits the test signal to the radio frequency transceiver chip, the detector in the radio frequency transceiver chip detects the power of the test signal, the power of the test signal is 20dBm, the preset power range is 30 dBm-40 dBm, the power of the test signal is determined to be not in the preset power range, the test signal is transmitted to the power amplifier, the power of the test signal is adjusted, the attenuation processing is carried out on the test signal subjected to the power adjustment through the automatic attenuation network, the test signal is obtained, the power of the test signal is detected to be 33dBm through the detector again, the power is in the preset power range, and the test signal is used as the first test signal.
Step S103, transmitting the first test signals through the radio frequency interface, so that the terminal to be tested receives the first test signals through each antenna.
The antenna test equipment comprises a radio frequency interface, wherein the radio frequency interface is used for transmitting test signals and receiving the test signals. Specifically, when the test signal is in the working frequency band of the radio frequency interface, the radio frequency interface acquires energy and is activated, and the test signal is transmitted and/or received.
In an embodiment, after the first test signal is obtained, the radio frequency interface is controlled to emit the first test signal, so that each antenna to be tested of the terminal to be tested can receive the first test signal.
And step S104, receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface.
After each antenna to be tested receives the first test signal, the first test signal received by each antenna to be tested is transmitted to a terminal to be tested, and the terminal to be tested generates a second test signal based on the first test signal. The terminal to be tested includes a signal converter, where the signal converter is selected according to practical situations, and the application is not specifically limited herein.
In an embodiment, each antenna to be tested connected to the terminal to be tested transmits a second test signal, the radio frequency interface of the antenna test device receives the second test signal, then the single-pole double-throw switch of the antenna test device is controlled to dial to one end of the signal receiving automatic attenuation network, and the received second test signal is transmitted to the radio frequency transceiver chip so as to achieve the purpose of detecting the signal intensity of the second test signal. The second test signal comprises identification information of each antenna to be tested; the radio frequency transceiver chip comprises a signal intensity detection module, wherein the intensity detection module can be selected according to actual conditions, and the radio frequency transceiver chip is not particularly limited again.
In one embodiment, after the radio frequency interface receives the second test signal, the radio frequency interface transmits the second test signal to an automatic attenuation network to adjust the power accuracy of the second test signal; the power of the second test signal is then adjusted by a power amplifier. The power and the power accuracy of the second test signal are adjusted through an automatic attenuation network and a power amplifier so that the signal strength of the second test signal is more accurate.
When the second test signals are received, the signal strength of each received second test signal is detected by a signal strength detector module.
In an embodiment, detecting whether the signal intensity of each of the second test signals is within a preset signal intensity range; if the signal intensity of each second test signal is within the preset signal intensity range, determining that the antenna radiation test result of the terminal to be tested is that the antenna radiation performance is normal; if at least one signal intensity of the second test signal is not in the preset signal intensity range, determining that the antenna radiation test result of the terminal to be tested is abnormal antenna radiation performance. The preset signal strength range is set according to practical situations, and the application is not specifically limited herein, for example, the preset signal strength is set to-80 dBm to-90 dBm.
In an embodiment, after obtaining the radiation performance result of each antenna to be tested, determining the antenna to be tested with radiation performance according to the radiation performance result of each antenna to be tested; and obtaining the antenna identification of the antenna to be tested with radiation performance, and displaying the antenna identification. The antenna identification is used for uniquely identifying the antenna to be tested, and the antenna identification is determined according to the position relation of the antenna to be tested, which is connected with the terminal to be tested. Through the antenna identification of the antenna to be tested that shows radiation performance for the user can know the antenna to be tested that connects unusual through the antenna identification that shows, is convenient for follow-up processing. The antenna identification can be set to be sequentially numbered in connection position relation with the terminal to be tested.
The terminal to be tested is connected with 10 antennas to be tested in total, the antennas to be tested connected with the terminal to be tested are numbered 1 to 10 in sequence, the intensity detection module is used for verifying the signal intensity of the received second test signal, and if the antennas to be tested with signal intensities not within the preset signal intensity range exist, the identification number of the antennas to be tested is displayed on the antenna test equipment. The radiation signal intensities of the antenna 3 to be tested, the antenna 6 to be tested and the antenna 9 to be tested are not in the preset signal intensity range, and the antenna test equipment displays 3, 6 and 9, so that the radiation performance of the No. 3, 6 and 9 antenna to be tested of the terminal to be tested is abnormal.
In an embodiment, the terminal to be tested is placed on a conveyor belt, the conveyor belt is connected with a first rotating device and a second rotating device respectively, and the first rotating device and the second rotating device are connected with the antenna test equipment respectively. After the radiation performance result of each antenna to be tested is obtained, determining whether the radiation performance of each antenna to be tested is normal or not according to the radiation test result of each antenna to be tested; if the radiation performance of each antenna to be tested is normal, sending an operation instruction to the first rotating device so that the first rotating device drives the conveyor belt to transmit the terminal to be tested to a first storage area; if at least one antenna to be tested has abnormal radiation performance, an operation instruction is sent to the second rotating device, so that the second rotating device rotates to drive the conveyor belt, and the terminal to be tested is transmitted to a second storage area. And judging whether the antenna to be tested connected with the terminal to be tested has good radiation performance, so that different rotating devices are controlled to rotate, and separating the terminal to be tested with abnormal radiation performance of the antenna to be tested.
Illustratively, as shown in fig. 3, the radio frequency transceiver chip C of the antenna test device a is controlled to generate a test signal, and the test signal is adjusted by a power amplifier and an automatic attenuation network to obtain a first test signal, and the radio frequency interface B transmits the first test signal. The antenna E to be tested connected with the terminal D to be tested receives the first test signal and transmits the first test signal to the terminal D to be tested; then the terminal D to be tested generates a second test signal based on the first test signal and transmits the second test signal through the antenna E to be tested; the radio frequency interface B of the antenna test equipment A receives the second test signal, transmits the second test signal to the radio frequency transceiver chip C, and detects whether the signal strengths of the second test signal are all within a preset signal strength range; and further determining the radiation performance of the antenna to be tested connected with the terminal D to be tested.
According to the antenna test method provided by the embodiment, the radio frequency transceiver chip is controlled to generate the test signal and the power of the test signal is adjusted to obtain the first test signal, and then the radio frequency interface is used for transmitting the first test signal, so that the terminal to be tested receives the first test signal through each antenna; then receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface; and further detecting whether the signal intensity of each second test signal is in a preset signal intensity range or not, and obtaining an antenna radiation test result of the terminal to be tested. The antenna radiation performance of the terminal to be tested is tested through the antenna testing equipment, so that the radiation performance of each antenna of the terminal to be tested can be conveniently and accurately detected.
Referring to fig. 4, fig. 4 is a schematic block diagram of an antenna test apparatus according to an embodiment of the present application.
As shown in fig. 4, the antenna test apparatus 200 includes a radio frequency transceiver chip 202, a radio frequency interface 203, a processor 204, a memory 205, and a communication interface 206, which are connected through a system bus 201, wherein the memory may include a nonvolatile storage medium and an internal memory.
The non-volatile storage medium may store a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any of a number of antenna testing methods.
The processor 204 is used to provide computing and control capabilities to support the operation of the overall antenna testing apparatus.
The internal memory provides an environment for the execution of a computer program in a non-volatile storage medium that, when executed by the processor 204, causes the processor 204 to perform any of the antenna test methods.
The communication interface 206 is used for communication and the like. Those skilled in the art will appreciate that the structure shown in fig. 4 is merely a block diagram of a portion of the structure associated with the present application and is not limiting of the antenna test apparatus to which the present application is applied, and that a particular antenna test apparatus may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
It should be appreciated that the processor 204 may be a central processing unit (Central Processing Unit, CPU), which may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. Wherein the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein in one embodiment, the processor 204 is configured to execute a computer program stored in the memory to implement the steps of:
controlling the radio frequency transceiver chip to generate a test signal, wherein the frequency band of the test signal is the same as the working frequency band of the terminal to be tested;
adjusting the power of the test signal to obtain a first test signal, wherein the terminal to be tested is in a signal transmitting range corresponding to the power of the first test signal;
transmitting the first test signal through the radio frequency interface so that the terminal to be tested receives the first test signal through each antenna;
receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface;
and detecting whether the signal intensity of each received second test signal is within a preset signal intensity range, and obtaining an antenna radiation test result of the terminal to be tested.
In one embodiment, when implementing the controlling the radio frequency transceiver chip to generate the test signal, the processor 204 is configured to implement:
the radio frequency transceiver chip is controlled to acquire the working frequency band of the terminal to be tested, and the radio frequency transceiver chip is controlled to generate a signal to be modulated;
and controlling the radio frequency transceiver chip to perform frequency modulation on the signal to be modulated based on the working frequency band of the terminal to be tested to obtain the test signal, so that the frequency band of the test signal is the same as the working frequency band of the terminal to be tested.
In one embodiment, the processor 204 is further configured to, when implementing the antenna test apparatus, implement a radio frequency transmission link, where the radio frequency transmission link includes a power amplifier and an automatic attenuation network, adjust power of the test signal to obtain a first test signal, implement:
adjusting the power of the test signal through the power amplifier;
and carrying out attenuation processing on the test signal subjected to power adjustment through the automatic attenuation network to obtain the first test signal.
In one embodiment, the processor 204 further includes a radio frequency power detection link in implementing the radio frequency transceiver link, the radio frequency power detection link including a coupler, the coupler being connected to the radio frequency transmit link; the automatic attenuation network is used for carrying out attenuation processing on the test signal after power adjustment, and when the first test signal is obtained, the automatic attenuation network is used for realizing:
carrying out attenuation treatment on the test signal subjected to power adjustment through the automatic attenuation network;
coupling the power of the test signal subjected to attenuation treatment to the radio frequency transceiver chip through a coupling port of the coupler;
detecting whether the power of the test signal subjected to attenuation treatment is in a preset power range or not through a detector of the radio frequency transceiver chip;
and if the power of the test signal subjected to the attenuation processing is in a preset power range, taking the test signal subjected to the attenuation processing as the first test signal.
In one embodiment, when the processor 204 is further configured to implement that the power of the test signal after the attenuation process is detected by the detector of the radio frequency transceiver chip is within a preset power range, the processor is further configured to:
and if the power of the test signal after the attenuation processing is not in the preset power range, readjusting the power of the test signal so that the adjusted power is in the preset power range.
In one embodiment, when implementing the detecting whether the signal strength of each second test signal received by the processor 204 is within a preset signal strength range, the processor 204 is configured to implement:
detecting whether the signal intensity of each second test signal is within a preset signal intensity range;
if the signal intensity of each second test signal is within the preset signal intensity range, determining that the antenna radiation test result of the terminal to be tested is that the antenna radiation performance is normal;
if at least one signal intensity preset signal intensity range of the second test signal exists, determining that the antenna radiation test result of the terminal to be tested is abnormal in antenna radiation performance.
In one embodiment, the processor 204 is configured to, when implementing that the terminal to be tested is placed on a conveyor belt, where the conveyor belt is connected to a first rotating device and a second rotating device, where the first rotating device and the second rotating device are respectively connected to the antenna testing apparatus, implement:
after the radiation performance result of each antenna to be tested is obtained, determining whether the radiation performance of each antenna to be tested is normal or not according to the radiation test result of each antenna to be tested;
if the radiation performance of each antenna to be tested is normal, sending an operation instruction to the first rotating device so that the first rotating device drives the conveyor belt to transmit the terminal to be tested to a first storage area;
if at least one antenna to be tested has abnormal radiation performance, an operation instruction is sent to the second rotating device, so that the second rotating device rotates to drive the conveyor belt, and the terminal to be tested is transmitted to a second storage area.
In one embodiment, the processor 204, when implementing the antenna test, is configured to implement:
the antenna test equipment comprises a power supply, a control circuit chip, a radio frequency transceiver chip, a radio frequency interface and a radio frequency transceiver link, wherein the radio frequency transceiver link comprises a radio frequency transmitting link, a radio frequency receiving link and a radio frequency power detection link, the radio frequency transmitting link, the radio frequency receiving link and the radio frequency power detection link are all connected with the radio frequency transceiver chip, and the other end of the radio frequency transmitting link and the other end of the radio frequency receiving link are both connected with the radio frequency interface.
It should be noted that, for convenience and brevity of description, the specific working process of the antenna test described above may refer to the corresponding process in the foregoing embodiment of the antenna test method, which is not described herein again
Embodiments of the present application also provide a computer readable storage medium, where a computer program is stored, where the computer program includes program instructions, and a method implemented when the program instructions are executed may refer to various embodiments of an antenna testing method of the present application.
The computer readable storage medium may be an internal storage unit of the antenna test apparatus according to the foregoing embodiment, for example, a hard disk or a memory of the antenna test apparatus. The computer readable storage medium may also be an external storage device of the antenna test apparatus, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the antenna test apparatus.
It is to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments. While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. An antenna testing method, characterized in that the method is applied to an antenna testing device, the antenna testing device comprises a radio frequency transceiver chip and a radio frequency interface, the antenna testing device is used for testing a terminal to be tested, the terminal to be tested comprises a plurality of antennas, and the method comprises:
the radio frequency transceiver chip is controlled to acquire the working frequency band of the terminal to be tested, and the radio frequency transceiver chip is controlled to generate a signal to be modulated;
controlling the radio frequency transceiver chip to perform frequency modulation on the signal to be modulated based on the working frequency band of the terminal to be tested to obtain a test signal, so that the frequency band of the test signal is the same as the working frequency band of the terminal to be tested;
adjusting the power of the test signal to obtain a first test signal, wherein the terminal to be tested is in a signal transmitting range corresponding to the power of the first test signal;
transmitting the first test signal through the radio frequency interface so that the terminal to be tested receives the first test signal through each antenna;
receiving a second test signal transmitted by the terminal to be tested through each antenna based on the first test signal through the radio frequency interface;
and detecting whether the signal intensity of each received second test signal is within a preset signal intensity range, and obtaining an antenna radiation test result of the terminal to be tested.
2. The antenna testing method of claim 1, wherein the antenna testing device further comprises a radio frequency transmission link, the radio frequency transmission link comprising a power amplifier and an automatic attenuation network, the adjusting the power of the test signal to obtain a first test signal, comprising:
adjusting the power of the test signal through the power amplifier;
and carrying out attenuation processing on the test signal subjected to power adjustment through the automatic attenuation network to obtain the first test signal.
3. The antenna testing method of claim 2, wherein the antenna testing device further comprises a radio frequency transceiver link, the radio frequency transceiver link further comprising a radio frequency power detection link, the radio frequency power detection link comprising a coupler, the coupler being connected to the radio frequency transmit link; the step of performing attenuation processing on the test signal after power adjustment through the automatic attenuation network to obtain the first test signal comprises the following steps:
carrying out attenuation treatment on the test signal subjected to power adjustment through the automatic attenuation network;
coupling the power of the test signal subjected to attenuation treatment to the radio frequency transceiver chip through a coupling port of the coupler;
detecting whether the power of the test signal subjected to attenuation treatment is in a preset power range or not through a detector of the radio frequency transceiver chip;
and if the power of the test signal subjected to the attenuation processing is in a preset power range, taking the test signal subjected to the attenuation processing as the first test signal.
4. The antenna testing method according to claim 3, wherein the detecting, by the detector of the radio frequency transceiver chip, whether the power of the test signal after the attenuation process is within a preset power range further comprises:
and if the power of the test signal after the attenuation processing is not in the preset power range, readjusting the power of the test signal so that the adjusted power is in the preset power range.
5. The method for testing an antenna according to claim 1, wherein the detecting whether the signal strength of each received second test signal is within a preset signal strength range, to obtain the antenna radiation test result of the terminal to be tested, includes:
detecting whether the signal intensity of each second test signal is within a preset signal intensity range;
if the signal intensity of each second test signal is within the preset signal intensity range, determining that the antenna radiation test result of the terminal to be tested is that the antenna radiation performance is normal;
if at least one signal intensity of the second test signal is not in the preset signal intensity range, determining that the antenna radiation test result of the terminal to be tested is abnormal antenna radiation performance.
6. The antenna testing method according to any one of claims 1 to 5, wherein the terminal to be tested is placed on a conveyor belt, the conveyor belt being connected to a first rotating means and a second rotating means, respectively, the first rotating means and the second rotating means being connected to the antenna testing apparatus, respectively, the method further comprising:
after the radiation performance result of each antenna to be tested is obtained, determining whether the radiation performance of each antenna to be tested is normal or not according to the radiation test result of each antenna to be tested;
if the radiation performance of each antenna to be tested is normal, sending an operation instruction to the first rotating device so that the first rotating device drives the conveyor belt to transmit the terminal to be tested to a first storage area;
if at least one antenna to be tested has abnormal radiation performance, an operation instruction is sent to the second rotating device, so that the second rotating device rotates to drive the conveyor belt, and the terminal to be tested is transmitted to a second storage area.
7. The antenna testing method according to any one of claims 1 to 5, wherein the antenna testing device includes a power supply, a control circuit chip, a radio frequency transceiver chip, a radio frequency interface, and a radio frequency transceiver link, the radio frequency transceiver link includes a radio frequency transmitting link, a radio frequency receiving link, and a radio frequency power detecting link, the radio frequency transmitting link, the radio frequency receiving link, and the radio frequency power detecting link are all connected to the radio frequency transceiver chip, and the other end of the radio frequency transmitting link and the other end of the radio frequency receiving link are both connected to the radio frequency interface.
8. An antenna testing device, characterized in that it comprises a radio frequency transceiver chip, a radio frequency interface, a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the antenna testing method according to any of claims 1 to 7.
9. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the antenna test method according to any of claims 1 to 7.
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| CN113922833B (en) * | 2021-09-10 | 2023-07-25 | 青岛海信移动通信技术有限公司 | Terminal, radio frequency front end and antenna detection method |
| CN113992284A (en) * | 2021-10-28 | 2022-01-28 | 中国人民解放军32181部队 | Portable signal strength detection device |
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