CN105954601B - A kind of device, the system and method for antenna coupling measurement - Google Patents
A kind of device, the system and method for antenna coupling measurement Download PDFInfo
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- CN105954601B CN105954601B CN201610254773.1A CN201610254773A CN105954601B CN 105954601 B CN105954601 B CN 105954601B CN 201610254773 A CN201610254773 A CN 201610254773A CN 105954601 B CN105954601 B CN 105954601B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R29/08—Measuring electromagnetic field characteristics
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Abstract
本发明提供一种天线耦合测试的装置、系统及方法，天线耦合测试的装置包括耦合屏蔽箱、至少两个天线和合路器，其中，耦合屏蔽箱，用于放置待测无线设备；天线，放置在耦合屏蔽箱内，每个天线与合路器的相应频段的输入接口相连接，用于接收待测无线设备发送的信号或者向待测无线设备发送信号；合路器，用于将天线接收到的不同频率的信号合成一路信号从输出接口输出，或者将其输出接口接收的含有不同频率的信号分成多路信号从相应频段的输入接口输出。本发明提供的一种天线耦合测试的装置、系统及方法，其可以大大降低误测率，同时，其具还有操作简单，工作量小等优点。
The invention provides an antenna coupling test device, system and method. The antenna coupling test device includes a coupling shielding box, at least two antennas and a combiner, wherein the coupling shielding box is used for placing the wireless equipment to be tested; the antenna is placed in In the coupling shielding box, each antenna is connected to the input interface of the corresponding frequency band of the combiner, which is used to receive the signal sent by the wireless device to be tested or send the signal to the wireless device to be tested; the combiner is used to receive the signal from the antenna. The received signals of different frequencies are synthesized into one signal and output from the output interface, or the signals with different frequencies received by the output interface are divided into multiple signals and output from the input interface of the corresponding frequency band. The device, system and method for antenna coupling test provided by the present invention can greatly reduce the false detection rate, and at the same time, it has the advantages of simple operation and small workload.
Description
Technical field
The present invention relates to antenna technical fields, more particularly to device, the system and method for a kind of antenna coupling measurement.
Background technique
With the development of 4G network, the frequency range of countries in the world is more and more, from low frequency 700MHz, arrives intermediate frequency 2GHz, to height
Frequency 2.6GHz.Increasing for Antenna Operation frequency range brings great challenge, current day to the production line test of antenna in wireless device
The production line test of line has that false failure rate is high.Antenna to be measured is not in the reason of causing this problem mainly wireless device
It is indefinite with the radiation diagram directive property in frequency range, while the antenna in the device of antenna coupling measurement also has a directionality, test to
Observation line just will appear the low direction pair of the gain of the antenna in the device of antenna coupling measurement in the index in a certain frequency range
The low direction of gain of antenna to be measured, the quality for causing antenna to be collected mail indirectly number be deteriorated, need to compensate biggish line loss at this time,
And the excessive problem that will lead to test consistency difference of line loss is compensated, so as to cause test data inaccuracy, false failure rate increases.
Summary of the invention
The embodiment of the present invention provides device, the system and method for a kind of antenna coupling measurement, and to solve, false failure rate is high to be asked
Topic.
The embodiment of the present invention provides a kind of device of antenna coupling measurement comprising coupling shielded box, at least two antennas
And combiner, wherein
The coupling shielded box, for placing wireless device to be measured；
The antenna is placed in the coupling shielded box, the corresponding band of each antenna and the combiner
Input interface is connected, for receiving the signal of the wireless device transmission to be measured or sending letter to the wireless device to be measured
Number；
The combiner, the signal synthesis of the different frequency for receiving the antenna all the way signal from output interface
Output, or output it the signal containing different frequency of interface and be divided into input interface of the multiple signals from corresponding band
Output.
In the device of antenna coupling measurement described in the embodiment of the present invention, each antenna is placed on the coupling screen
It covers at the different location in case.
In the device of antenna coupling measurement described in the embodiment of the present invention, each antenna is in relevant work frequency range
The maximum direction of gain is opposite with gain maximum direction of the wireless device to be measured in corresponding band.
In the device of antenna coupling measurement described in the embodiment of the present invention, each antenna has different work frequencies
Section.
In the device of antenna coupling measurement described in the embodiment of the present invention, the quantity of the antenna is two, wherein one
The working frequency range of a antenna is 700MHz to 1.5GHz, and the working frequency range of another antenna is 1.5GHz to 2.6GHz.
In the device of antenna coupling measurement described in the embodiment of the present invention, the coupling shielded box further includes fixed dress
It sets, for fixing the wireless device to be measured.
The embodiment of the present invention also provides a kind of system of antenna coupling measurement comprising radio comprehensive measurement instrument and nothing
The device of intelligent terminal and the antenna coupling measurement being connected with radio comprehensive measurement instrument that line electricity comprehensive tester is connected,
Wherein, the device of the antenna coupling measurement includes coupling shielded box, at least two antennas and combiner；
The coupling shielded box, for placing wireless device to be measured；
The antenna is placed in the coupling shielded box, the corresponding band of each antenna and the combiner
Input interface is connected, for receiving the signal of the wireless device transmission to be measured or sending letter to the wireless device to be measured
Number；
The combiner, output interface is connected with the radio comprehensive measurement instrument, for receive antenna
Signal is exported from output interface all the way for the signal synthesis of different frequency, or output it interface containing different frequency
Signal is divided into two paths of signals and exports from the input interface of corresponding band.
In the system of antenna coupling measurement described in the embodiment of the present invention, each antenna is placed on the coupling screen
It covers at the different location in case.
The present invention provides a kind of method of antenna coupling measurement again, which comprises
Wireless device to be measured is placed on the predeterminated position in coupling shielded box；
Intelligent terminal sends test control signal to radio comprehensive measurement instrument；
The radio comprehensive measurement instrument emits different according to the test control signal control wireless device to be measured
The signal of frequency；
Antenna in the coupling shielded box receives the signal of corresponding frequencies according to respective working frequency range, and passes through combining
The signal of different frequency is transmitted in the radio comprehensive measurement instrument by device；
The radio comprehensive measurement instrument judges the wireless device to be measured according to the signal of the different frequency received
Antenna transmitting signal performance it is whether qualified, and the judging result is transmitted to the intelligent terminal, the intelligent terminal is protected
Deposit the judging result.
The present invention provides the method for another antenna coupling measurement again, which comprises
Wireless device to be measured is placed on the predeterminated position in coupling shielded box；
Intelligent terminal sends test control signal to radio comprehensive measurement instrument；
The radio comprehensive measurement instrument will emit the signal of different frequency, and the signal of different frequency is transmitted to combining
In device；
The signal of different frequency is divided into multiple signals by the combiner, is sent out respectively by the respective antenna in coupling measurement case
It penetrates；
The wireless device to be measured receives the signal of different frequency, and the information of the signal of the different frequency received is anti-
It feeds the radio comprehensive measurement instrument；
The radio comprehensive measurement instrument will judge described to be measured according to the information of the signal of the different frequency received
Whether the antenna of wireless device receives signal performance qualified, and the judging result is transmitted to the intelligent terminal, the intelligence
Terminal saves the judging result.
Compared with prior art, the apparatus and system of a kind of antenna coupling measurement provided in an embodiment of the present invention, in coupling
It closes and at least two antennas is set in shielded box, each antenna maximum direction of gain in relevant work frequency range is wirelessly set with to be measured
The standby maximum direction of gain in corresponding band is opposite, so that each antenna can receive wireless device hair to be measured well
The signal for the corresponding band sent or the signal that corresponding band is sent to wireless device to be measured, can substantially reduce false failure rate, with
The prior art is compared, and has many advantages, such as easy to operate, and workload is small.
The present invention also provides a kind of method of antenna coupling measurement, the test macro used in this method provides for the present invention
Antenna coupling measurement system, compared with prior art, this method can more accurately measure antenna in wireless device to be measured
The antenna performance of multiple frequency ranges substantially reduces false failure rate, improves testing efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of antenna coupling measurement in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the system of antenna coupling measurement in the embodiment of the present invention；
Fig. 3 is the flow chart of the method for antenna coupling measurement in the embodiment of the present invention；
Fig. 4 is the flow chart of another method of antenna coupling measurement in the embodiment of the present invention.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to required in embodiment
Attached drawing to be used is briefly described.The accompanying drawings in the following description is only section Example of the invention, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Referring to Figure 1, Fig. 1 is the structural schematic diagram of the device of antenna coupling measurement in the embodiment of the present invention.This is preferred real
The device 10 for applying the antenna coupling measurement of example offer includes coupling 11, two antennas of shielded box, respectively antenna 121 and antenna
122 and combiner 14, wherein
Shielded box 11 is coupled, for placing wireless device 13 to be measured；
Antenna is placed in coupling shielded box 11, and each antenna is connected with the input interface of the corresponding band of combiner 14
It connects, for receiving the signal of the transmission of wireless device 13 to be measured or sending signal to wireless device 13 to be measured；
Combiner 14, signal is exported from output interface all the way for the signal synthesis of the different frequency for receiving antenna；
Or output it interface the signal containing different frequency be divided into multiple signals from the input interface of corresponding band export.
The device 10 of the antenna coupling measurement in this preferred embodiment is discussed in detail below in conjunction with Fig. 1.
In the device 10 for the antenna coupling measurement that this preferred embodiment provides, coupling shielded box 11 be using conductive or
The cabinet for being used to shield external signal of permeability magnetic material preparation, it is internal to place wireless device 13 to be measured, it can be effectively prevented
Extraneous electromagnetic signals influence the antenna performance of wireless device 13 to be measured, thus further decrease the device 10 of antenna coupling measurement
False failure rate.
In the preferred embodiment, it couples and is provided with fixed device on the bottom surface of shielded box 11, the fixation device is for solid
Fixed wireless device 13 to be measured, only illustrates the position of fixed device in Fig. 1, i.e., the component of 13 lower section of wireless device to be measured,
The mode for wherein fixing the fixed wireless device 13 to be measured of device includes being connected together, and does not illustrate the specific of fixed device in figure
Structure, the specific structure and fixed form of fixed device are not the objects that this preferred embodiment stresses, as long as fixed dress
Fixed mobile phone can be played the role of by setting.
Antenna 121 and antenna 122 are placed on the side of coupling shielded box 11, and antenna 121 and antenna 122 are placed on coupling
It closes at the different location in shielded box 11, the working frequency range of two antennas is different, and wherein the working frequency range of antenna 121 is 700MHz
To 1.5GHz, the working frequency range of antenna 122 is 1.5GHz to 2.6GHz.
Since radiation diagram directive property of the antenna in each frequency range is indefinite, i.e., in each frequency range, antenna is in all directions
The intensity of upper radiation signal is different, that is, the gain of antenna in all directions is of different sizes, in order to enable can be between antenna
Preferably receive or send signal, it is preferable that according to antenna 121 and the respective working frequency range of antenna 122, by antenna 121 and day
The line 122 maximum direction of gain and the maximum direction of the gain in corresponding band of wireless device 13 to be measured in relevant work frequency range
Relatively, the positional relationship between certain antenna 121 and antenna 122 and wireless device to be measured 13 is not limited to the above situation,
In other embodiments, it can also be not specifically limited herein using other positional relationships.
In the preferred embodiment, the number of antenna is 2, and certainly in other examples, the number of antenna can be with
It is for 3 or more, the number of antenna and the frequency range of Antenna Operation are arranged according to the demand of practical wireless device 13 to be measured.
There are two input interface, each input interfaces to correspond to different working frequency range, the boundary of combiner 14 for combiner 14
Frequency is 1.5GHz, and input interface of the working frequency lower than 1.5GHz is low-frequency range input interface, and working frequency is higher than 1.5GHz
Input interface be high band input interface, it is to be understood that low-frequency range input interface is connect with antenna 121, and high band is defeated
Incoming interface is connect with antenna 122, and two antennas are to be connected by radio-frequency cable with the connection type of combiner, other real
It applies in example, or other connection types are not specifically limited herein.
The output interface of combiner 14 is connected with extraneous tester, and combiner 14 is for receiving two antennas not
Signal is exported from output interface to extraneous tester all the way for the signal synthesis of same frequency；Certainly, combiner 14 can be used for by
The signal containing different frequency that output interface is received from extraneous tester is divided into two paths of signals, respectively from the defeated of corresponding band
Incoming interface is exported into corresponding antenna, and signal radiation is gone out by antenna, and wireless device 13 to be measured receives different frequency
Signal.
In order to more clearly from illustrate this preferred embodiment provide antenna coupling measurement device 10 working principle, under
Face will be illustrated in conjunction with concrete application scene.
In the application scenarios, which is mobile phone, and mobile phone is placed on consolidating in coupling shielded box 11
Determine on device, adjust the angle of mobile phone, so that the gain that the frequency range of handset emissions signal is 700MHz to 1.5GHz is maximum
Direction alignment antenna 121 the maximum direction of gain, the frequency range of handset emissions signal is the increasing of 1.5GHz to 2.6GHz
The maximum direction of gain of the maximum direction alignment antenna 122 of benefit；Under the control of extraneous tester, mobile phone will launch difference
The signal of frequency, antenna 121 and antenna 122 receive corresponding signal, and the signal that will be received according to respective working frequency range
The corresponding input interface of combiner 14 is transmitted to by radio-frequency cable, the signal that combiner 14 receives two input interfaces closes
At signal all the way, be output to from the output interface of combiner 14 in extraneous tester, extraneous tester will judge mobile phone day
Whether line index is normal.
In application scenarios, antenna 121 and antenna 122 are to work at the same time, i.e. the letter of the different frequency of handset emissions at this time
In number, the frequency of some signals is within the scope of 121 working frequency range of antenna, and the frequency of some signals is in the work frequency of antenna 122
In segment limit, in certain actual operating process, antenna 121 and antenna 122 can also be separated and be worked, i.e., mobile phone first sends one
Frequency is in the signal within the scope of the working frequency range of antenna 121, and antenna 121 receives the signal, and the signal is passed to combining
Device 14 is passed to extraneous tester by combiner, to complete the Indexs measure to antenna for mobile phone in the frequency range；Then mobile phone
Emit the signal that a frequency is within the scope of the working frequency range of antenna 122 again, antenna 122 receives the signal, and by the signal
Combiner 14 is passed to, extraneous tester is passed to by combiner, to complete to examine the index of antenna for mobile phone in the frequency range
It surveys.
The device 10 of antenna coupling measurement in this preferred embodiment, by the way that two days are arranged in coupling shielded box 11
Line, i.e. antenna 121 and antenna 122, and be arranged each antenna in respective working frequency range the maximum direction of gain against nothing to be measured
The maximum direction of gain of the antenna in corresponding band in line equipment 13, so that antenna in each antenna and wireless device 13 to be measured
Between carry out can receive the good signal of quality when signal interaction, to reduce the line loss of compensation, reduce false failure rate.The device
For device compared to existing antenna coupling measurement, the false failure rate of antenna can be substantially reduced, while its is easy to operate,
Workload is small, can greatly improve the testing efficiency of producing line.
Fig. 2 is referred to, Fig. 2 is the structural schematic diagram of the system of antenna coupling measurement in the embodiment of the present invention.This is preferred real
The intelligence that the system for applying antenna coupling measurement in example includes: radio comprehensive measurement instrument 20, is connected with radio comprehensive measurement instrument
The device 10 of energy terminal 30 and the antenna coupling measurement being connected with radio comprehensive measurement instrument, wherein antenna coupling measurement
Device 10 include coupling 11, two antennas of shielded box, respectively antenna 121 and antenna 122 and combiner 14.
Shielded box 11 is coupled, for placing wireless device 13 to be measured；
Antenna is placed in coupling shielded box 11, and each antenna is connected with the input interface of the corresponding band of combiner 14
It connects, for receiving the signal of the transmission of wireless device 13 to be measured or sending signal to wireless device 13 to be measured；
Combiner 14, output interface are connected with radio comprehensive measurement instrument 20, the difference for receiving antenna
Signal is exported from output interface all the way for the signal synthesis of frequency, or outputs it the signal containing different frequency of interface
It is divided into two paths of signals to export from the input interface of corresponding band.
The system of the antenna coupling measurement in this preferred embodiment is discussed in detail below in conjunction with Fig. 2.
In the system for the antenna coupling measurement that this preferred embodiment provides, coupling shielded box 11 is using conduction or to lead
The cabinet for being used to shield external signal of magnetic material preparation, it is internal to place wireless device 13 to be measured, it can be effectively prevented outer
Portion's electromagnetic signal influences the antenna performance of wireless device 13 to be measured, to further decrease the mistake of the device 10 of antenna coupling measurement
Survey rate.
In the preferred embodiment, it couples and is provided with fixed device on the bottom surface of shielded box 11, the fixation device is for solid
Fixed wireless device 13 to be measured, only illustrates the position of fixed device in Fig. 2, i.e., the component of 13 lower section of wireless device to be measured,
The mode for wherein fixing the fixed wireless device 13 to be measured of device includes being connected together, and is not illustrated in figure to fix the tool of device
Body structure, the specific structure and fixed form of fixed device are not the objects that this preferred embodiment stresses, as long as fixed
Device can play the role of fixed mobile phone.
Antenna 121 and antenna 122 are placed on the side of coupling shielded box 11, and antenna 121 and antenna 122 are placed on coupling
It closes at the different location in shielded box 11, the working frequency range of two antennas is different, and wherein the working frequency range of antenna 121 is 700MHz
To 1.5GHz, the working frequency range of antenna 122 is 1.5GHz to 2.6GHz.
Preferably, according to antenna 121 and the respective working frequency range of antenna 122, by antenna gain in relevant work frequency range
The maximum direction of gain in the frequency range is opposite with wireless device 13 to be measured in maximum direction, i.e., so that each antenna is in respective tones
The maximum direction of gain is directed at wireless device 13 to be measured on the maximum direction of gain in the frequency range in section, can guarantee in this way
Two antennas preferably can be sent or be received the signal of corresponding band, certain antenna between wireless device 13 to be measured
Positional relationship between wireless device 13 to be measured is not limited to the above situation, in other examples, can also use
Other positional relationships, are not specifically limited herein.
In the preferred embodiment, the number of antenna is 2, and certainly in other examples, the number of antenna can be with
It is for 3 or more, the number of antenna and the frequency range of Antenna Operation are arranged according to the demand of practical wireless device 13 to be measured.
There are two input interface, each input interfaces to correspond to different working frequency range, the boundary of combiner 14 for combiner 14
Frequency is 1.5GHz, and input interface of the working frequency lower than 1.5GHz is low-frequency range input interface, and working frequency is higher than 1.5GHz
Input interface be high band input interface, it is to be understood that low-frequency range input interface is connect with antenna 121, and high band is defeated
Incoming interface is connect with antenna 122, and two antennas include being connected by radio-frequency cable with the connection type of combiner, in others
In embodiment, or other connection types are not specifically limited herein.
The output interface of combiner 14 is connected with radio comprehensive measurement instrument 20, and combiner 14 is for connecing two antennas
Signal is exported from output interface to radio comprehensive measurement instrument 20 all the way for the signal synthesis of the different frequency received；Certainly, it is combined
Device 14 can be used for the signal containing different frequency that output interface is received from radio comprehensive measurement instrument 20 being divided into two
Road signal is exported from the input interface of corresponding band into corresponding antenna respectively, and signal radiation is gone out by antenna, to be measured
Wireless device 13 will receive the signal of different frequency.
Radio comprehensive measurement instrument 20 is connected by gpib bus with intelligent terminal 30, and intelligent terminal 30 is used for radio
Comprehensive tester 20 sends test control signal, and radio comprehensive measurement instrument 20 will control to be measured according to the test control signal
Wireless device 13 receives or sends the signal of different frequency, and judges that each performance of 13 internal antenna of wireless device to be measured is
No qualification.
Intelligent terminal 30 can be computer, or plate or other equipment with display function is calculated,
It is not specifically limited herein
In the system of antenna coupling measurement in this preferred embodiment, by centering two in the dress of antenna coupling measurement
A antenna, and make each antenna in respective working frequency range the maximum direction of gain with antenna in wireless device 13 to be measured in phase
Answer the maximum direction of the gain in frequency range opposite, so that can when carrying out signal interaction in antenna and wireless device to be measured 13 between antenna
To receive the good signal of quality, to reduce the line loss of compensation, false failure rate is reduced.The system is compared to existing antenna coupling
For the system for closing test, while the false failure rate for substantially reducing antenna, also have easy to operate, workload is small, greatly
Big the advantages that improving production line test efficiency.
Fig. 3 is referred to, Fig. 3 is the flow chart of the method for antenna coupling measurement in the embodiment of the present invention, in the present embodiment,
The method of antenna coupling measurement includes:
S101, wireless device to be measured are placed on the predeterminated position in coupling shielded box；
S102, intelligent terminal send test control signal to radio comprehensive measurement instrument；
S103, the radio comprehensive measurement instrument emit according to the test control signal control wireless device to be measured
The signal of different frequency；
Antenna in S104, the coupling shielded box receives the signal of corresponding frequencies according to respective working frequency range, and leads to
It crosses combiner the signal of different frequency is transmitted in the radio comprehensive measurement instrument；
S105, the radio comprehensive measurement instrument judge described to be measured wireless according to the signal of the different frequency received
Whether the antenna transmitting signal performance of equipment is qualified, and the judging result is transmitted to the intelligent terminal, and the intelligence is eventually
End saves the judging result.
The method that the antenna coupling measurement in the present embodiment is described in detail below.
Method in the present embodiment is mainly to detect the transmitting signal performance of antenna in wireless device to be measured, and this method uses
The system of antenna coupling measurement provided by the invention, in systems, coupling the antenna number in shielded box is two.
In step S101 and S102, wireless device to be measured is placed on the predeterminated position in coupling shielded box, intelligence
The comprehensive ranging sequence of installation in terminal, comprehensive ranging sequence are to test the usable program of wireless equipment antenna to be measured, run comprehensive ranging sequence, intelligence
Energy terminal will send test control signal to radio comprehensive measurement instrument, and test control signal is for controlling radio integration test
Instrument is tested.
In step s 103, after radio comprehensive measurement instrument receives test control signal, will be believed according to the testing and control
Number control wireless device to be measured sends the signal of different frequency, and in the present embodiment, radio comprehensive measurement instrument controls nothing to be measured
Line equipment sends the signal for the different frequency that power is 20 milliwatts.
In step S104, two antennas coupled in shielded box will receive corresponding frequencies according to respective working frequency range
Signal, and the signal received is passed into combiner, two paths of signals is synthesized into signal all the way by combiner and passes to radio
Comprehensive tester.
In step s105, radio comprehensive measurement instrument receives the signal of different frequency, and judges the difference received
Whether the watt level of the signal of frequency is within the scope of predetermined power, for example, the signal that radio comprehensive measurement instrument receives
Power is 19 milliwatts, and predetermined power range is 18 milliwatts to 20 milliwatts, the signal function received due to radio comprehensive measurement instrument
Rate is within the scope of predetermined power, therefore judges that the antenna transmitting signal performance of wireless device to be measured is qualified, and radio is comprehensive to be surveyed
It tries instrument and judging result is transferred to intelligent terminal, that is, be transferred in the comprehensive ranging sequence in intelligent terminal, sentenced by intelligent terminal preservation
Disconnected result.Certainly, in this step, radio comprehensive measurement instrument can also be big by the power of the signal of the different frequency received
Small and predetermined power range transmission is saved to intelligent terminal by intelligent terminal, checks nothing to be measured convenient for Test Engineer
The test data of line equipment.
In the preferred embodiment, this method by detect antenna in wireless device to be measured emit the power parameter of signal come
Judge whether it is qualified, certainly, in other embodiments, can detecte the other parameters of antenna also to judge the correlation of antenna
Can, it is not specifically limited herein.
The method of antenna coupling measurement provided in this embodiment, use antenna coupling measurement provided by the invention is
System, compared with prior art, this method can more accurately measure the transmitting signal performance of the multiple frequency ranges of wireless device to be measured, greatly
It is big to reduce false failure rate, improve testing efficiency.
Fig. 4 is referred to, Fig. 4 is the flow chart of another method of antenna coupling measurement in the embodiment of the present invention, in this reality
It applies in example, the method for antenna coupling measurement includes:
S201, wireless device to be measured are placed on the predeterminated position in coupling shielded box；
S202, intelligent terminal send test control signal to radio comprehensive measurement instrument；
S203, the radio comprehensive measurement instrument will emit the signal of different frequency, and the signal of different frequency is transmitted
Into combiner；
The signal of different frequency is divided into multiple signals by S204, the combiner, respectively by corresponding in coupling measurement case
Antenna transmitting；
S205, the wireless device to be measured receive the signal of different frequency, and by the signal of the different frequency received
Information feeds back to the radio comprehensive measurement instrument；
S206, the radio comprehensive measurement instrument will judge described according to the information of the signal of the different frequency received
Whether the antenna of wireless device to be measured receives signal performance qualified, and judging result is transmitted to the intelligent terminal, the intelligence
It can the terminal preservation judging result.
The method that the antenna coupling measurement in the present embodiment is described in detail below.
Method in the present embodiment is mainly to detect the reception signal performance of antenna in wireless device to be measured, and which employs this
The system for inventing the antenna coupling measurement provided, in systems, coupling the antenna number in shielded box is two.
In step S201 and S202, wireless device to be measured is placed on the predeterminated position in coupling shielded box, intelligence
The comprehensive ranging sequence of installation in terminal, comprehensive ranging sequence are to test the usable program of wireless equipment antenna to be measured, run comprehensive ranging sequence, intelligence
Energy terminal will send test control signal to radio comprehensive measurement instrument, and test control signal is for controlling radio integration test
Instrument is tested.
In step S203, radio comprehensive measurement instrument sends the signal of different frequency, for example, transmitting has certain level
The signal of value, and the signal is transmitted in combiner；
In step S204, the signal of different frequency is divided into two-way by combiner, and respectively by two in coupling measurement case
A antenna transmitting；
In step S205, wireless device to be measured receives the signal of different frequency, and the different frequency signals that will be received
Information feed back to radio comprehensive measurement instrument, herein wireless device to be measured feed back to radio comprehensive measurement instrument information be connect
The level value of the different frequency signals received.
In step S206, radio comprehensive measurement instrument receives the level value fed back by wireless device to be measured, and according to nothing
The preset level range of line electricity comprehensive tester judges that wireless device to be measured receives signal performance, if wireless device to be measured is fed back
Level value be in preset level range, then it is qualified for judging that the antenna of the wireless device to be measured receives signal performance, and
The judging result is transferred to intelligent terminal, that is, is transferred in the comprehensive ranging sequence in intelligent terminal, is saved and is judged by intelligent terminal
As a result.Certainly, in this step, radio comprehensive measurement instrument can also pass the level value of feedback and preset level range
It is defeated by intelligent terminal, is saved by intelligent terminal, the test data of wireless device to be measured is checked convenient for Test Engineer.
The method of antenna coupling measurement provided in this embodiment, use antenna coupling measurement provided by the invention is
System, compared with prior art, the antenna that this method can more accurately measure the multiple frequency ranges of wireless device to be measured receive signal
Can, false failure rate is substantially reduced, testing efficiency is improved.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (9)
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| CN106453770A (en) * | 2016-11-25 | 2017-02-22 | 维沃移动通信有限公司 | Mobile terminal coupling test system and method |
| CN106646053A (en) * | 2016-12-28 | 2017-05-10 | 深圳市磊科实业有限公司 | Antenna testing device and method for batch production WiFi/Bluetooth products |
| CN108574608A (en) * | 2017-03-13 | 2018-09-25 | 深圳市新益技术有限公司 | A wireless communication throughput test system and method based on MIMO |
| CN108242960B (en) * | 2017-12-29 | 2020-12-29 | Oppo广东移动通信有限公司 | Channel line loss correction method, device, storage medium and computer equipment |
| CN109342834B (en) * | 2018-09-29 | 2020-10-16 | 北京小米移动软件有限公司 | Testing device for terminal antenna |
| CN110031689B (en) * | 2019-05-08 | 2025-03-07 | 深圳沸石智能技术有限公司 | Antenna testing device and method |
| US11092643B2 (en) * | 2019-07-31 | 2021-08-17 | Infineon Technologies Ag | Antenna-in-package production test |
| CN115224461B (en) * | 2022-07-26 | 2023-07-28 | 广州添利电子科技有限公司 | Open-circuit stub section resonator and method for screening PCB antenna board finished product |
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| DE19732639C1 (en) * | 1997-07-29 | 1999-01-28 | Wavetek Gmbh | Antenna coupler for testing mobile phones |
| EP1422846A4 (en) * | 2001-08-30 | 2005-03-16 | Anritsu Corp | Portable radio terminal testing instrument using a single self-complementary antenna |
| CN101995520B (en) * | 2009-08-10 | 2014-04-30 | 深圳富泰宏精密工业有限公司 | Antenna testing device and antenna testing method |
| US8249512B2 (en) * | 2010-06-18 | 2012-08-21 | At&T Mobility Ii Llc | Assessing interference environment for wireless communication devices |
| CN103684627A (en) * | 2012-09-21 | 2014-03-26 | 联想(北京)有限公司 | Handset antenna test method and system |
| CN104935386B (en) * | 2014-03-21 | 2018-09-11 | 中兴通讯股份有限公司 | Terminal antenna coupling testing system |
| CN105099581B (en) * | 2015-08-06 | 2017-08-01 | 广东欧珀移动通信有限公司 | A radio frequency performance testing device |
| CN105375994B (en) * | 2015-10-10 | 2018-09-04 | 广东欧珀移动通信有限公司 | A kind of method and system of mobile terminal antenna test |
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