CN106130664B - The antenna test method and test system of mobile terminal - Google Patents
The antenna test method and test system of mobile terminal Download PDFInfo
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- CN106130664B CN106130664B CN201610460496.XA CN201610460496A CN106130664B CN 106130664 B CN106130664 B CN 106130664B CN 201610460496 A CN201610460496 A CN 201610460496A CN 106130664 B CN106130664 B CN 106130664B
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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
- H04B17/101—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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention is suitable for antenna measurement technical field, provides a kind of antenna test method and test system of mobile terminal.This method includes：Baseband chip control transceiver inside mobile terminal generates a radiofrequency signal with the first power and is transmitted to transceiver insulation device, is again radiated the antenna of radio signal transmission to mobile terminal by transceiver insulation device；The radiofrequency signal of transceiver insulation device coupled antenna radiation is simultaneously transmitted to transceiver, and the second power of the radiofrequency signal being coupled to is tested out by transceiver；Whether the baseband chip inside mobile terminal is qualified according to the performance of the first power and the second power judgement antenna under currently test frequency range.The present invention realizes the test of mobile terminal antenna performance by being mainly multiplexed the device of mutually wired connection inside mobile terminal, relative to the existing test mode using comprehensive test instrument, reduces testing cost, test result also can be more accurate.And the present invention is not necessarily to carry out relevant treatment to signaling, also improves test speed.
Description
Technical field
The invention belongs to the antenna test methods and test system of antenna measurement technical field more particularly to a kind of mobile terminal
System.
Background technology
Mobile terminal needs to test the performance of its antenna before manufacture at present, to ensure that the performance of antenna reaches
It is expected that requiring.Existing routine test is using signaling test mode, and detailed process is：Mobile terminal is put into shielding box simultaneously
Comprehensive test instrument is connected, mobile terminal emits the test signal of a known power by its antenna, which is connect by comprehensive test instrument
It receives antenna to receive, comprehensive test instrument judges whether antenna performance is qualified according to the power for receiving signal.
There are following problems for above-mentioned test mode：1, due to using signaling test mode, it is also necessary to be carried out to signaling corresponding
Processing, therefore the testing time is longer；2, comprehensive test instrument is expensive, leads to testing cost height；3, the survey that mobile terminal is emitted
Trial signal is the reception antenna for being wirelessly transferred to comprehensive test instrument, is deposited between mobile terminal and the reception antenna of comprehensive test instrument
It is being lost, the loss can compensated by a preset offset in actual test.But actual loss value can root
Change according to the position and angle change of mobile terminal placement, once the position deviation of mobile terminal is larger, test result will
There is large error.
Invention content
Technical problem to be solved of the embodiment of the present invention is quickly and accurately to test out shifting with lower testing cost
The antenna performance of dynamic terminal.
In order to solve the above technical problems, a kind of antenna test method of mobile terminal of first aspect present invention, the antenna
Test method, which is included under preset each frequency range, tests antenna performance；Wherein, described in the test of each frequency range
Method includes：
Baseband chip control transceiver inside mobile terminal generates a radiofrequency signal with the first power, and will be described
Radio signal transmission is whole to the movement by the radio signal transmission again by the transceiver insulation device to transceiver insulation device
The antenna at end is radiated；
The transceiver insulation device couples the radiofrequency signal of the aerial radiation, and the radio signal transmission that will be coupled into is extremely
The transceiver is tested out the second power of the radiofrequency signal being coupled to by the transceiver；
Baseband chip inside mobile terminal judges that the antenna is surveyed currently according to first power and the second power
Whether the performance tried under frequency range is qualified.
With reference to first aspect, in the first possible realization method of first aspect, the base inside the mobile terminal
Microarray strip judges whether performance of the antenna under currently test frequency range be qualified according to first power and the second power, packet
It includes：The antenna is calculated according to the frequency range path loss of second power and preset current frequency range in the baseband chip
The radiant power of the radiofrequency signal of radiation；The baseband chip judges the day according to first power and the radiant power
Whether performance of the line under currently test frequency range be qualified.
With reference to first aspect the first is possible, in second of possible realization method of first aspect, the base band core
The radio frequency that the aerial radiation is calculated according to the frequency range path loss of second power and preset current frequency range for piece is believed
Number radiant power, specially：The baseband chip is by the frequency range path loss of second power and preset current frequency range
Difference as the aerial radiation radiofrequency signal radiant power.
With reference to first aspect the first is possible, in the third possible realization method of first aspect, the base band core
Piece judges whether performance of the antenna under currently test frequency range be qualified according to first power and the radiant power, packet
It includes：The baseband chip is using first power and the ratio of the radiant power as the standing-wave ratio of the antenna；The base
Microarray strip judges the standing-wave ratio whether within the scope of standard standing-wave ratio, if so, it is determined as that the performance of the antenna is qualified,
If it is not, being then determined as that performance of the antenna under currently test frequency range is unqualified.
With reference to first aspect, second of possible or first party of the first possibility of first aspect or first aspect
The third of face is possible, and in the 4th kind of possible realization method of first aspect, the transceiver insulation device is directional couple
Device or circulator.
In order to solve the above technical problems, second aspect of the present invention provides a kind of Antenna testing system of mobile terminal,
It is characterized in that, the Antenna testing system includes baseband chip, transceiver and multi-channel gating switch, transceiver insulation device；
The multi-channel gating switch has multiple input port and single output port, the multiple input port difference
For receiving the radiofrequency signal needed for the test of respective corresponding frequency band, the single output port connects the transceiver insulation dress
It sets；Wherein, each input port can be connected with the single output port and form access；For in the baseband chip
Control under corresponding input port and the single output port are connected；
The transceiver, in each test frequency range, generating one under the control of the baseband chip with the first work(
The radiofrequency signal of rate is simultaneously input to the corresponding input port of the multi-channel gating switch, with by the multi-channel gating switch by institute
Radio signal transmission is stated to the transceiver insulation device；By the transceiver insulation device by the radio signal transmission to the shifting
The antenna of dynamic terminal is radiated；
The test synchronous control unit, connects the multi-channel gating switch and the transceiver, current for that will indicate
The instruction of test band information is sent to the transceiver, so that the transceiver generates the vision signal of corresponding test frequency range；
It is additionally operable to control corresponding input port in the multi-channel gating switch to connect with the single output port；
The transceiver insulation device is additionally operable to couple the radiofrequency signal of the aerial radiation, and the radio frequency letter that will be coupled into
Number it is transmitted to the transceiver, the second power of the radiofrequency signal being coupled to is tested out by the transceiver；
The baseband chip, for judging the antenna in currently test frequency range according to first power and the second power
Under performance it is whether qualified.
In conjunction with second aspect, in the first possible realization method of second aspect, the baseband chip is specifically used for
The radiofrequency signal of the aerial radiation is calculated according to the frequency range path loss of second power and preset current frequency range
Radiant power, further according to first power and the radiant power judge the antenna currently test frequency range under performance
It is whether qualified.
The first in conjunction with second aspect is possible, in second of possible realization method of second aspect, the base band core
Piece is especially by as described in being calculated according to the frequency range path loss of second power and preset current frequency range under type
The radiant power of the radiofrequency signal of aerial radiation：The baseband chip is by the frequency range of second power and preset current frequency range
Radiant power of the difference of path loss as the radiofrequency signal of the aerial radiation.
The first in conjunction with second aspect is possible, in the third possible realization method of second aspect, the base band core
Piece especially by under type according to first power and the radiant power judgement antenna in the case where currently testing frequency range
Performance it is whether qualified：The baseband chip is using ratio the staying as the antenna of first power and the radiant power
Bobbi, then the standing-wave ratio is judged whether within the scope of standard standing-wave ratio, if so, being determined as that the performance of the antenna is closed
Lattice, if it is not, being then determined as that performance of the antenna under currently test frequency range is unqualified.
The first possible, second aspect second in conjunction with second aspect, second aspect is possible or second aspect
The third may, in the 4th kind of possible realization method of second aspect, the transceiver insulation device be directional coupler or
Circulator.
The embodiment provided from the various possible realization methods of aforementioned present invention various aspects or every aspect is it is found that originally
Invention mainly realizes the survey of mobile terminal antenna performance by being multiplexed the devices such as baseband chip, transceiver inside mobile terminal
Examination, hardware aspect increase only a transceiver insulation device, relative to the existing test mode using comprehensive test instrument, greatly reduce
Testing cost.Also, the present invention is not necessarily to carry out relevant treatment to signaling, also improves test speed.Again due in mobile terminal
It is wired connection between the baseband chip in portion, transceiver and its antenna, therefore path loss immobilizes, test result also can
It is more accurate.
Description of the drawings
Fig. 1 is the structure principle chart of the Antenna testing system of mobile terminal provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the antenna test method of mobile terminal provided in an embodiment of the present invention.
Specific implementation mode
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
It is only a part of the embodiment of the present invention to apply example, and not all embodiments.Based on the embodiments of the present invention, people in the art
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 shows the structural principle of the Antenna testing system for the mobile terminal that the embodiment of the present invention is provided, in order to just
In description, only the parts related to the present invention are shown.
Referring to Fig.1, the Antenna testing system for the mobile terminal that the embodiment of the present invention is provided includes baseband chip 1, transmitting-receiving
Device 2, multi-channel gating switch 3 and transceiver insulation device 4, wherein baseband chip 1, transceiver 2 and multi-channel gating switch 3 are to move
Device existing for dynamic terminal inner script, it is only necessary to increase by a transceiver insulation device 4.It can be seen that this Antenna testing system master
The test of mobile terminal antenna performance is realized by being multiplexed the device inside mobile terminal.
Baseband chip 1 mainly as in entire Antenna testing system synchronous control device and main operational component make
With synchronous control acts on major embodiment both ways：
1, control transceiver 2 generates the radiofrequency signal needed for the test of certain test frequency range.The antenna performance of mobile terminal
Test is related to the test of multiple frequency ranges, and transceiver 2 specifically needed to generate the radiofrequency signal of which kind of frequency range at current time, by base
Microarray strip 1 controls.2, control multi-channel gating switch 3 gates corresponding switch ways.Transceiver 2 has multiple and different output
The radiofrequency signal of port, generated different frequency range can be sent out by different ports, for example, the radio frequency letter of corresponding F1 frequency ranges
It number is sent out by the first output port of transceiver 2, the radiofrequency signal of corresponding F2 frequency ranges is sent out by the second output terminal mouth of transceiver 2
Go out, etc..Correspondingly, multi-channel gating switch 3 has multiple input port and single output port, multiple input port difference
For receiving the radiofrequency signal needed for the test of respective corresponding frequency band, for example, the input port I of multi-channel gating switch 31With transmitting-receiving
First output port of device 2 connects, the radiofrequency signal for receiving corresponding F1 frequency ranges, the input port I of multi-channel gating switch 32
It is connect with the second output terminal mouth of transceiver 2, the radiofrequency signal of corresponding F2 frequency ranges.Each input terminal of multi-channel gating switch 3
Mouth can be connected with single output port and form access, so that the radiofrequency signal of corresponding band can pass through.Therefore, base band core
Piece 1 needs synchronous control multi-channel gating switch 3 that will correspond to while control transceiver 2 generates the radiofrequency signal of certain frequency range
Input port connected with the single output port.
The main operational function major embodiment of baseband chip 1 judges the antenna of mobile terminal according to relevant test data
Whether performance is qualified.
Based on above-mentioned principle, in each test frequency range, baseband chip 1, which controls the generation of transceiver 2 one, has the first power
Radiofrequency signal is simultaneously input to 3 corresponding input port of multi-channel gating switch, while controlling multi-channel gating switch 3 by corresponding input
Port is connected with the single output port.The radiofrequency signal is transferred to transceiver insulation device 4 by multi-channel gating switch 3,
The antenna of the radio signal transmission to the mobile terminal is radiated by transceiver insulation device 4.
In the aerial radiation of the mobile terminal radiofrequency signal, transceiver insulation device 4 is additionally operable to couple the aerial radiation
Radiofrequency signal, and the radio signal transmission that will be coupled into is to transceiver 2, and described be coupled to is tested out by the transceiver 2
Second power of radiofrequency signal.In the present invention, there are two types of communication paths for tool between transceiver 2 and transceiver insulation device 4, respectively
Fl transmission path and bounce transmission paths, wherein fl transmission path includes radio-frequency transmissions access 1 shown in Fig. 1 to penetrating
Frequency transmitting path 4 is transmitted by the way that the sending and receiving of the radiofrequency signal of test are divided into two paths, can make two kinds of signals
It does not interfere with each other, ensures that test result is more accurate.When specific implementation, directional coupler or ring may be used in transceiver insulation device 4
Shape device is realized.
Finally, judge the antenna in currently test frequency range according to first power and the second power by baseband chip 1
Under performance it is whether qualified.
The present invention mainly passes through the baseband chip 1, transceiver 2, multichannel being multiplexed inside mobile terminal it can be seen from above
The devices such as gating switch 3 realize the test of mobile terminal antenna performance, and hardware aspect increases only a transceiver insulation device 4,
Relative to the existing test mode using comprehensive test instrument, testing cost is greatly reduced.Also, the present invention is not necessarily to carry out signaling
Relevant treatment also improves test speed.Again due to baseband chip 1, transceiver 2, the multi-channel gating switch inside mobile terminal
3, it is wired connection between transceiver insulation device 4 and its antenna, therefore path loss immobilizes, test result also can be more
Accurately.
Above-mentioned path loss includes the loss in the loss and bounce transmission paths in fl transmission path, and it includes above-mentioned
In second power of the radiofrequency signal of coupling.Due to baseband chip 1, transceiver 2, multi-channel gating switch 3, transceiver insulation device 4
It is wired connection between its antenna, which will not be changed by position and angle change that mobile terminal is placed.This is logical
Path loss consumption can first pass through test and obtain and be preset in baseband chip 1 in advance.Also, since the radiofrequency signal of different frequency range is by more
The different tunnels of road gating switch 3, to keep test result more accurate, can distinguish preset for different test frequency ranges
Loss.
Therefore, baseband chip 1 is specifically used for the frequency range path loss according to second power and preset current frequency range
The radiant power of the radiofrequency signal of the aerial radiation is calculated, judges further according to first power and the radiant power
Whether performance of the antenna under currently test frequency range be qualified.
Further, baseband chip 1 can be by the difference of second power and the frequency range path loss of preset current frequency range
The radiant power of radiofrequency signal as the aerial radiation.For example, it is assumed that the second power is C, the frequency of preset current frequency range
Section path loss is c1, then the radiant power of the radiofrequency signal of aerial radiation is B, then b=c-c1.
Further, baseband chip is using ratio the staying as the antenna of first power and the radiant power
Bobbi, then the standing-wave ratio is judged whether within the scope of standard standing-wave ratio, if so, being determined as that the performance of the antenna is closed
Lattice, if it is not, being then determined as that performance of the antenna under currently test frequency range is unqualified.
Wherein, standing-wave ratio can be calculated according to following formula：VSWR=a/b, wherein VSWR is the standing-wave ratio of antenna, a
For above-mentioned first power, b is the radiant power of the radiofrequency signal of aerial radiation.
The embodiment of the present invention additionally provides a kind of antenna test method of mobile terminal, and the antenna test method is included in
Antenna performance is tested under preset each frequency range；Wherein, in the test of each frequency range, as shown in Fig. 2, the method
Include the following steps：
Step S201, the baseband chip control transceiver inside mobile terminal, which generates a radio frequency with the first power, to be believed
Number, and by the radio signal transmission to transceiver insulation device, by the transceiver insulation device again by the radio signal transmission
Antenna to the mobile terminal is radiated.
In the embodiment of the present invention, baseband chip is mainly as the synchronous control device and core in entire Antenna testing system
Heart arithmetic unit uses, and please refers to content above in terms of synchronous control effect and main operational function, no longer goes to live in the household of one's in-laws on getting married one by one herein
It states.
The test of the antenna performance of mobile terminal is related to the test of multiple frequency ranges, and transceiver has multiple and different output
The radiofrequency signal of port, generated different frequency range can be sent out by different ports, for example, the radio frequency letter of corresponding F1 frequency ranges
It number being sent out by the first output port of transceiver, the radiofrequency signal of corresponding F2 frequency ranges is sent out by the second output terminal mouth of transceiver,
Etc..Correspondingly, multi-channel gating switch has multiple input port and single output port, and multiple input port is respectively used to
The radiofrequency signal needed for the test of respective corresponding frequency band is received, for example, the input port I of multi-channel gating switch1With transceiver
First output port connects, the radiofrequency signal for receiving corresponding F1 frequency ranges, the input port I of multi-channel gating switch2With transmitting-receiving
The second output terminal mouth of device connects, the radiofrequency signal of corresponding F2 frequency ranges.Each input port of multi-channel gating switch 3 can be with
Single output port is connected and forms access, so that the radiofrequency signal of corresponding band can pass through.Therefore, baseband chip is controlling
While transceiver generates the radiofrequency signal of certain frequency range, need synchronous control multi-channel gating switch by corresponding input port with
The single output port is connected.
When test, need to there is no metal without other media contacts on the antenna periphery that mobile terminal is in mobile terminal yet
Freely simulate in space.In each test frequency range, baseband chip controls transceiver and generates a radiofrequency signal with the first power
And be input to the corresponding input port of multi-channel gating switch, while control multi-channel gating switch by corresponding input port with it is described
Single output port is connected.The radiofrequency signal is transferred to transceiver insulation device by multi-channel gating switch, is filled by transceiver insulation
It sets and radiates the antenna of the radio signal transmission to the mobile terminal.
Step S202, the radio frequency that the transceiver insulation device couples the radiofrequency signal of the aerial radiation, and will be coupled into
Signal transmission is tested out the second power of the radiofrequency signal being coupled to by the transceiver to the transceiver.
In the aerial radiation of the mobile terminal radiofrequency signal, transceiver insulation device is additionally operable to couple the aerial radiation
Radiofrequency signal, and the radio signal transmission that will be coupled into tests out the radio frequency being coupled to transceiver by the transceiver
Second power of signal.In the present invention, there are two types of communication paths for tool between transceiver and transceiver insulation device, respectively preceding to biography
Defeated path and bounce transmission paths, wherein fl transmission path includes that radio-frequency transmissions access shown in Fig. 1 is logical to radio-frequency transmissions
Road is transmitted by the way that the sending and receiving of the radiofrequency signal of test are divided into two paths, and two kinds of signals can be made not interfere with each other,
Ensure that test result is more accurate.When specific implementation, directional coupler may be used in transceiver insulation device or circulator is realized.
Step S203, the baseband chip inside mobile terminal judge the antenna according to first power and the second power
Whether the performance under currently test frequency range is qualified.
The present invention mainly passes through baseband chip, transceiver, the multichannel choosing being multiplexed inside mobile terminal it can be seen from above
Opening up the devices such as pass realizes the test of mobile terminal antenna performance, and hardware aspect increases only a transceiver insulation device, relatively
In the existing test mode using comprehensive test instrument, testing cost is greatly reduced.Also, the present invention is not necessarily to carry out signaling related
Processing, also improves test speed.Again due to inside mobile terminal baseband chip, transceiver, multi-channel gating switch, transmitting-receiving every
From being wired connection between device and its antenna, therefore path loss immobilizes, and test result also can be more accurate.
Above-mentioned path loss includes the loss in the loss and bounce transmission paths in fl transmission path, and it includes above-mentioned
In second power of the radiofrequency signal of coupling.Due to baseband chip, transceiver, multi-channel gating switch, transceiver insulation device and its
It is wired connection between antenna, which will not be changed by position and angle change that mobile terminal is placed.The access damages
Consumption can first pass through test and obtain and be preset in baseband chip in advance.Also, since the radiofrequency signal of different frequency range is selected by multichannel
The different tunnels of pass are opened up, to keep test result more accurate, the preset loss for different test frequency ranges can be distinguished.
Further, the baseband chip inside the mobile terminal is according to described in first power and the judgement of the second power
Whether performance of the antenna under currently test frequency range be qualified, including：
Institute is calculated according to the frequency range path loss of second power and preset current frequency range in the baseband chip
State the radiant power of the radiofrequency signal of aerial radiation；
The baseband chip judges the antenna in currently test frequency range according to first power and the radiant power
Under performance it is whether qualified.
Further, the baseband chip is according to the frequency range path loss of second power and preset current frequency range
The radiant power of the radiofrequency signal of the aerial radiation is calculated, specially：
The baseband chip is using the difference of second power and the frequency range path loss of preset current frequency range as described in
The radiant power of the radiofrequency signal of aerial radiation.
For example, it is assumed that the second power is C, the frequency range path loss of preset current frequency range is c1, then aerial radiation is penetrated
The radiant power of frequency signal is B, then b=c-c1.
Further, baseband chip judges that the antenna is surveyed currently according to first power and the radiant power
Whether the performance tried under frequency range is qualified, including：
The baseband chip is using first power and the ratio of the radiant power as the standing-wave ratio of the antenna；
In, standing-wave ratio can be calculated according to following formula：VSWR=a/b, wherein VSWR is the standing-wave ratio of antenna, and a is above-mentioned first
Power, b are the radiant power of the radiofrequency signal of aerial radiation.
The baseband chip judges the standing-wave ratio whether within the scope of standard standing-wave ratio, if so, being determined as described
The performance of antenna is qualified, if it is not, being then determined as that performance of the antenna under currently test frequency range is unqualified.
In several embodiments provided herein, it should be understood that disclosed system and method can pass through it
Its mode is realized.For example, system embodiment described above is only schematical, for example, the division of the module, only
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or module
Letter connection can be electrical, machinery or other forms.
The module illustrated as separating component may or may not be physically separated, aobvious as module
The component shown may or may not be physical module, you can be located at a place, or may be distributed over multiple
On network module.Some or all of module therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each function module in each embodiment of the present invention can be integrated in a processing module, it can also
That modules physically exist alone, can also two or more modules be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.
If the integrated module is realized in the form of software function module and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for each method embodiment above-mentioned, describe, therefore it is all expressed as a series of for simplicity
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because
According to the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module might not all be this hairs
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
It is the antenna test method to a kind of mobile terminal provided by the present invention above and tests the description of system, for
Those skilled in the art, the thought of embodiment, has change in specific embodiments and applications according to the present invention
Place, to sum up, the content of the present specification should not be construed as limiting the invention.
Claims (8)
1. a kind of antenna test method of mobile terminal, which is characterized in that the antenna test method is included in preset each
Antenna performance is tested under frequency range；Wherein, in the test of each frequency range, the method includes：
Baseband chip control transceiver inside mobile terminal generates a radiofrequency signal with the first power, and by the radio frequency
Signal transmission is to transceiver insulation device, by the transceiver insulation device again by the radio signal transmission to the mobile terminal
Antenna is radiated；
The radio signal transmission that the transceiver insulation device couples the radiofrequency signal of the aerial radiation, and will be coupled into is to described
Transceiver is tested out the second power of the radiofrequency signal being coupled to by the transceiver；
Baseband chip inside mobile terminal judges the antenna in current test frequency according to first power and the second power
Whether the performance under section is qualified；
Baseband chip inside the mobile terminal judges that the antenna is surveyed currently according to first power and the second power
Whether the performance tried under frequency range is qualified, including：
The day is calculated according to the frequency range path loss of second power and preset current frequency range in the baseband chip
The radiant power of the radiofrequency signal of beta radiation；
The baseband chip judges the antenna under currently test frequency range according to first power and the radiant power
Whether performance is qualified.
2. antenna test method as described in claim 1, which is characterized in that the baseband chip according to second power and
The radiant power of the radiofrequency signal of the aerial radiation is calculated in the frequency range path loss of preset current frequency range, specially：
The baseband chip is using the difference of second power and the frequency range path loss of preset current frequency range as the antenna
The radiant power of the radiofrequency signal of radiation.
3. antenna test method as described in claim 1, which is characterized in that the baseband chip according to first power and
The radiant power judges whether performance of the antenna under currently test frequency range be qualified, including：
The baseband chip is using first power and the ratio of the radiant power as the standing-wave ratio of the antenna；
The baseband chip judges the standing-wave ratio whether within the scope of standard standing-wave ratio, if so, being determined as the antenna
Performance it is qualified, if it is not, being then determined as that performance of the antenna under currently test frequency range is unqualified.
4. antenna test method as described in any one of claims 1 to 3, which is characterized in that the transceiver insulation device is fixed
To coupler or circulator.
5. a kind of Antenna testing system of mobile terminal, which is characterized in that the Antenna testing system includes baseband chip, transmitting-receiving
Device, multi-channel gating switch and transceiver insulation device；
There is the multi-channel gating switch multiple input port and single output port, the multiple input port to be respectively used to
The radiofrequency signal needed for the test of respective corresponding frequency band is received, the single output port connects the transceiver insulation device；Its
In, each input port can be connected with the single output port and form access；For the control in the baseband chip
Corresponding input port and the single output port are connected under system；
The transceiver, is used in each test frequency range, and one is generated under the control of the baseband chip has the first power
Radiofrequency signal is simultaneously input to the corresponding input port of the multi-channel gating switch, to be penetrated described by the multi-channel gating switch
Frequency signal transmission is to the transceiver insulation device；It is by the transceiver insulation device that the radio signal transmission is whole to the movement
The antenna at end is radiated；
The transceiver insulation device is additionally operable to couple the radiofrequency signal of the aerial radiation, and the radiofrequency signal that will be coupled into passes
The transceiver is transported to, the second power of the radiofrequency signal being coupled to is tested out by the transceiver；
The baseband chip, for judging the antenna under currently test frequency range according to first power and the second power
Whether performance is qualified；
The baseband chip is specifically used for being calculated according to the frequency range path loss of second power and preset current frequency range
To the radiant power of the radiofrequency signal of the aerial radiation, the day is judged further according to first power and the radiant power
Whether performance of the line under currently test frequency range be qualified.
6. Antenna testing system as claimed in claim 5, which is characterized in that the baseband chip is especially by such as under type root
The radiofrequency signal of the aerial radiation is calculated according to the frequency range path loss of second power and preset current frequency range
Radiant power：
The baseband chip is using the difference of second power and the frequency range path loss of preset current frequency range as the antenna
The radiant power of the radiofrequency signal of radiation.
7. Antenna testing system as claimed in claim 5, which is characterized in that the baseband chip is especially by such as under type root
Judge whether performance of the antenna under currently test frequency range be qualified according to first power and the radiant power：
The baseband chip is using first power and the ratio of the radiant power as the standing-wave ratio of the antenna, then judges
Whether the standing-wave ratio is within the scope of standard standing-wave ratio, if so, being determined as that the performance of the antenna is qualified, if it is not, then sentencing
It is unqualified to be set to performance of the antenna under currently test frequency range.
8. such as claim 5 to 7 any one of them Antenna testing system, which is characterized in that the transceiver insulation device is fixed
To coupler or circulator.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107276693B (en) * | 2017-07-17 | 2021-03-16 | Oppo广东移动通信有限公司 | Method, equipment and system for testing radio frequency front end of terminal |
| CN108111176B (en) | 2017-12-08 | 2021-02-19 | Tcl移动通信科技（宁波）有限公司 | Double-antenna radio frequency power detection circuit, device and mobile terminal |
| CN108107279B (en) * | 2017-12-20 | 2020-10-23 | 宁波三星医疗电气股份有限公司 | Incoming material detection method for customized antenna |
| CN108111236B (en) * | 2017-12-28 | 2021-05-11 | 上海传英信息技术有限公司 | Computer readable storage medium for antenna test and test system |
| CN108801311B (en) * | 2018-07-06 | 2020-08-14 | Oppo（重庆）智能科技有限公司 | Test fixture and test method |
| CN108964798B (en) * | 2018-07-18 | 2021-04-06 | Oppo广东移动通信有限公司 | Radio frequency circuit debugging method and related device |
| CN109541329A (en) * | 2018-09-29 | 2019-03-29 | 上海与德科技有限公司 | A kind of antenna test method and device, antenna measurement equipment and storage medium |
| CN110290577B (en) * | 2019-07-15 | 2022-06-07 | Oppo（重庆）智能科技有限公司 | Power compensation method, antenna assembly and electronic equipment |
| CN113364534B (en) * | 2020-03-04 | 2023-05-02 | 佛山市云米电器科技有限公司 | Antenna test method, device and computer readable storage medium |
| CN115529059A (en) * | 2022-09-20 | 2022-12-27 | Oppo广东移动通信有限公司 | Radio frequency circuit, antenna device and electronic equipment |
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