CN106131275B - Mobile terminal and antenna detection method - Google Patents
Mobile terminal and antenna detection method Download PDFInfo
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- CN106131275B CN106131275B CN201610686998.4A CN201610686998A CN106131275B CN 106131275 B CN106131275 B CN 106131275B CN 201610686998 A CN201610686998 A CN 201610686998A CN 106131275 B CN106131275 B CN 106131275B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Abstract
The disclosure is directed to a kind of mobile terminal and antenna detection methods, belong to field of communication technology.Mobile terminal includes: coupler, feedback loop, processing unit, VSWR counter circuit, duplex communication unit；Coupler is connect with feedback loop and VSWR counter circuit respectively；Feedback loop is connect with VSWR counter circuit, processing unit and duplex communication unit respectively；VSWR counter circuit is connect with processing unit；Duplex communication unit is connect with coupler and terminal antenna respectively.The transmission power and echo power of coupler while feedback terminal antenna, and the VSWR value by VSWR counter circuit according to transmission power and echo power computing terminal antenna, and it is stored through the processing unit, and then after reading the VSWR value, terminal antenna can be detected according only to the VSWR value, whether to realize prediction antenna performance and excellent detection contact point, it is not necessary that particular detection system is separately provided when producing line carries out system test to mobile phone, the testing process for avoiding producing line complexity, has saved cost.
Description
Technical field
This disclosure relates to field of communication technology, in particular to a kind of mobile terminal and antenna detection method.
Background technique
Antenna for mobile phone, i.e., the equipment on mobile phone for receiving signal.Currently, in order to guarantee that mobile phone quality, mobile phone complete machine exist
It is required to carry out antenna performance detection before factory, to determine whether there is by radio-frequency cable poor contact, antenna contacts
(connector) initiations such as poor contact or antenna match lead to the problem of adverse effect to antenna performance.
In the related technology when producing line carries out system test to mobile phone, pass through the performance of the complete twin aerial of particular detection system
Test.Wherein, which includes the equipment such as shielding cavity, receiving antenna, comprehensive test instrument or power meter.
In implementing the present disclosure, inventor find the relevant technologies the prior art has at least the following problems:
Due to including more instrument and equipment in particular detection system, cost is excessively high, and increases system test
Process consumes the plenty of time.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind of mobile terminal and antenna detection method.
According to the first aspect of the embodiments of the present disclosure, a kind of mobile terminal is provided, the mobile terminal include: coupler,
Feedback loop, processing unit, VSWR (Voltage Standing Wave Ratio, voltage standing wave ratio) counter circuit, duplex are logical
Believe unit；
The coupler is connect with the feedback loop and the VSWR counter circuit respectively；
The feedback loop connects with the VSWR counter circuit, the processing unit and the duplex communication unit respectively
It connects；
The VSWR counter circuit is connect with the processing unit；
The duplex communication unit is connect with the coupler and terminal antenna respectively.
In another embodiment, the VSWR counter circuit includes RMS (Root Mean Square, root mean square) simulation
Device and a switch element；
The RMS simulator is connect with the feedback unit in the processing unit and the feedback loop respectively；
First non-moving end of the switch element is connect with the RMS simulator, and the second non-moving end is connect with ground terminal, moved end
It is connect with the coupler.
In another embodiment, when the moved end and when the first motionless end in contact, the RMS simulator with it is described
Access is formed between coupler；When the moved end and the second motionless end in contact, the coupler ground connection.
In another embodiment, the VSWR counter circuit includes RMS simulator, a switch element, a resistance；
The RMS simulator is connect with the feedback unit in the processing unit and the feedback loop respectively；
First non-moving end of the switch element is connect with the RMS simulator, and moved end is connect with the coupler；
The resistance is connect with the second non-moving end of the switch element and ground terminal respectively.
In another embodiment, the feedback loop includes Transmit-Receive Unit；
The Transmit-Receive Unit is connect with the coupler, the processing unit and the duplex communication unit respectively.
In another embodiment, the feedback loop includes feedback unit；
The feedback unit respectively with the RMS mould in the coupler, the processing unit and the VSWR counter circuit
Quasi- device connection.
According to the second aspect of an embodiment of the present disclosure, a kind of antenna detection method is provided, above-mentioned mobile terminal, institute are applied to
The method of stating includes:
The transmission power of terminal antenna is fed back to the feedback unit in feedback loop by coupler；
The echo power of the terminal antenna is sent to the RMS simulator in VSWR counter circuit by the coupler；
The RMS simulator is after receiving the transmission power that the feedback unit is sent, according to the transmitting function
Rate and the echo power calculate the VSWR value of the terminal antenna；
The VSWR value is sent to processing unit by the RMS simulator, stores the VSWR value by the processing unit,
The VSWR value is used to measure the performance of the terminal antenna.
In another embodiment, described according to the transmission power and the echo power, calculate the terminal antenna
VSWR value, comprising:
The RMS simulator carries out root mean square calculation to the transmission power, obtains average emitted power；
The RMS simulator carries out root mean square calculation to the echo power, obtains mean echo-power；
The RMS simulator calculates the anti-of the terminal antenna according to the average emitted power and mean echo-power
Penetrate coefficient；
The RMS simulator calculates the VSWR value of the terminal antenna according to the reflection coefficient.
In another embodiment, if the VSWR value is less than pre-determined threshold, the terminal antenna passage capacity detection.
In another embodiment, the echo power of the terminal antenna is sent to VSWR counter circuit by the coupler
In RMS simulator before, the method also includes:
First non-moving end of control switch element and moved end contact, so that between the RMS simulator and the coupler
Form access.
In another embodiment, the method also includes:
Duplex communication unit receives the echo power of the terminal antenna；
The echo power is respectively sent in the coupler and the feedback loop by the duplex communication unit
Transmit-Receive Unit.
The technical scheme provided by this disclosed embodiment can include the following benefits:
The transmission power and echo power of coupler while feedback terminal antenna, later by VSWR counter circuit according to transmitting
The VSWR value of power and echo power computing terminal antenna, and it is stored through the processing unit, it is carried out in this way in factory
It only needs to read the VSWR value when system test, terminal antenna can be detected according to the VSWR value, to realize prediction
Whether antenna performance and excellent detection contact point, it is not necessary that particular detection is separately provided when producing line carries out system test to mobile phone
System, not only avoids the testing process of producing line complexity, and greatly reduces cost, has saved the time.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of block diagram of mobile terminal shown according to an exemplary embodiment.
Fig. 2 is a kind of block diagram of mobile terminal shown according to an exemplary embodiment.
Fig. 3 is a kind of block diagram of mobile terminal shown according to an exemplary embodiment.
Fig. 4 is a kind of flow chart of antenna detection method shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Fig. 1 is a kind of block diagram of mobile terminal shown according to an exemplary embodiment, as shown in Figure 1, the mobile terminal
It include: coupler 11, feedback loop 12, processing unit 13, VSWR counter circuit 14, duplex communication unit 15.
Wherein, coupler 11 is connect with feedback loop 12 and VSWR counter circuit 14 respectively；Feedback loop 12 respectively with
VSWR counter circuit 14, processing unit 13 and duplex communication unit 15 connect；VSWR counter circuit 14 is connect with processing unit 13；
Duplex communication unit 15 is connect with coupler 11 and terminal antenna respectively.
In the embodiments of the present disclosure, coupler (Coupler) 11 is in addition to being coupled back into end to circuit feedback (feedback) 12
Except the transmission power for holding antenna, the echo power of terminal antenna can be also coupled back into VSWR counter circuit 14.Duplex communication list
First (Duplex) ensure that the transmitted in both directions for receiving power and echo power.
In another embodiment, referring to fig. 2, feedback loop 12 includes Transmit-Receive Unit (TRX) 121 and feedback unit 122.
Wherein, Transmit-Receive Unit 121 is connect with coupler 11, processing unit 13 and duplex communication unit 15 respectively.Feedback unit 122 is distinguished
It is connect with the RMS simulator 141 in coupler 11, processing unit 13 and VSWR counter circuit 14.Transmit-Receive Unit 121 passes through coupling
Transmission power is sent to duplex communication unit 15 by device 11, and then transmission power is assigned to terminal antenna by duplex communication unit 15
Antenna opening.Echo power is directly sent to Transmit-Receive Unit 121 and coupling after receiving echo power by duplex communication unit 15
Clutch 11.After transmission power is coupled back into feedback loop 12, by the processing of feedback loop 12, transmitting function can be predicted in coupler
The accuracy of rate, and then improve the accuracy of transmission power.In addition, feedback unit 122 can also send out the transmission power received
It send to RMS simulator 141, to carry out the calculating of VSWR value, is detailed in and is described below.
As shown in Fig. 2, VSWR counter circuit 14 includes RMS simulator 141 and a switch element 142.Wherein, RMS mould
Quasi- device 141 is connect with the feedback unit 122 in processing unit 13 and feedback loop 12 respectively；The first of switch element 142 is motionless
End 1421 is connect with RMS simulator 141, and the second non-moving end 1422 is connect with ground terminal, and moved end 1423 is connect with coupler 11.
When moved end 1423 and the first non-moving end 1421 contact, access is formed between RMS simulator 141 and coupler 11.
In this way, the echo power of terminal antenna can be sent to RMS simulator 141 by coupler 11, due to RMS simulator 141 also with
Feedback unit 122 connects, therefore RMS simulator 141 also can receive the transmission power of terminal antenna, accordingly RMS simulator 141
According to the VSWR value of transmission power and echo power computing terminal antenna, the VSWR value is sent to processing unit 13 later, by
The VSWR value is stored in the readable memory of itself by processing unit 13.In this way, mobile terminal carries out system test in producing line
When, it is only necessary to the VSWR value of storage on mobile terminals is read, can be realized according to the VSWR value and antenna performance is examined
It surveys.When moved end 1423 and the second non-moving end 1422 contact, coupler 11 is grounded, and RMS simulator 141 not will do it VSWR at this time
The calculating of value, namely the control to antenna detection opportunity automatically is realized by switch element 142.
In another embodiment, VSWR counter circuit 14, can also be for shown in Fig. 3 other than above-mentioned structure shown in Fig. 2
Structure.Referring to Fig. 3, VSWR counter circuit 14 includes 141, one, RMS simulator switch element 142, one resistance 143；RMS
Simulator 141 is connect with the feedback unit 122 in processing unit 13 and feedback loop 12 respectively；The first of switch element 142 is not
Moved end 1421 is connect with RMS simulator 141, and moved end 1423 is connect with coupler 11；Resistance 143 respectively with switch element 142
Second non-moving end 1422 is connected with ground terminal.Compared with Fig. 2, a resistance 143 of the VSWR counter circuit more than 14 of Fig. 3, to ensure
The safety of integrated circuit structure.
The transmission power and echo function of the mobile terminal that the embodiment of the present disclosure provides, coupler while feedback terminal antenna
Rate, VSWR value of the VSWR counter circuit according to transmission power and echo power computing terminal antenna later, and through the processing unit
It is stored, only needs to read the VSWR value when factory carries out system test in this way, it can be to end according to the VSWR value
End antenna detected, thus realize prediction antenna performance and detection contact point it is excellent whether, without producing line to mobile phone into
Particular detection system is separately provided when row system test, not only avoids the testing process of producing line complexity, and greatly reduces
Cost has saved the time.
Fig. 4 is a kind of flow chart of antenna detection method shown according to an exemplary embodiment.As shown in figure 4, including
Following steps:
In step 401, the transmission power of terminal antenna is fed back to the feedback unit in feedback loop by coupler.
In step 402, the echo power of terminal antenna is sent to the simulation of the RMS in VSWR counter circuit by coupler
Device.
After moved end and the first motionless end in contact of the switch element in VSWR counter circuit, coupler and RMS simulator
Between just form access, so that the echo power of terminal antenna can be sent to RMS simulator by coupler.Wherein, terminal day
The echo power of line is received by duplex communication unit, and echo power is respectively sent to the transmitting-receiving in coupler and feedback loop
Unit.
In step 403, RMS simulator is after the transmission power for receiving feedback unit transmission, according to transmission power and
Echo power, the VSWR value of computing terminal antenna.
In the embodiments of the present disclosure, RMS simulator is according to transmission power and echo power, the VSWR of computing terminal antenna
When value, following manner is taken to realize:
The first step, RMS simulator carry out root mean square calculation to transmission power and echo power respectively, obtain average emitted function
Rate and mean echo-power.
Root mean square, also referred to as r.m.s. are usually a kind of universal mathematics for defining the effective voltage or electric current of analog wave
Method.With PtxRMSRefer to average emitted power, PrxRMSFor referring to mean echo-power, then
Wherein, N is positive integer, refers to the Ptx for calculating average emitted power and mean echo-poweriAnd Prxi?
Number, PtxiRefer to the transmission power size of different moments in a cycle, PrxiRefer to the echo function of different moments in a cycle
Rate size.
Second step, RMS simulator are according to average emitted power and mean echo-power, the reflection system of computing terminal antenna
Number.
By taking reflection coefficient is Γ as an example, then
Third step, RMS simulator calculate the VSWR value of terminal antenna according to reflection coefficient.
For the step, VSWR value is to refer to the voltage standing wave ratio of terminal antenna, VSWR=| 1- Γ |+| 1+ Γ |.
In step 404, VSWR value is sent to processing unit by RMS simulator, stores the VSWR value by processing unit, should
VSWR value is used to measure the performance of terminal antenna.
Wherein, which can be stored in the readable memory of itself by processing unit, the embodiment of the present disclosure to this not
Specifically limited.In the embodiments of the present disclosure, show the best performance of antenna, antenna contacts when which is 1
Work is good.When factory carries out system test, it is only necessary to read the VSWR value to detect to terminal antenna.I.e. by VSWR
Value is compared with pre-determined threshold, if VSWR value is less than pre-determined threshold, processing unit determines that terminal antenna passage capacity detects.
Wherein, the size of pre-determined threshold can be 1.3 or 1.4 equal numerical value, and the embodiment of the present disclosure is to this equally without specifically limiting.This public affairs
It opens embodiment and only passes through the limited peripheral analog device of increase, can realize the improvement to antenna detection method.
The transmission power and echo power of the method that the embodiment of the present disclosure provides, coupler while feedback terminal antenna, it
VSWR value by VSWR counter circuit according to transmission power and echo power computing terminal antenna afterwards, and through the processing unit to it
It is stored, only needs to read the VSWR value when factory carries out system test in this way, it can be to terminal day according to the VSWR value
Line is detected, thus whether realizing prediction antenna performance and excellent detection contact point, it is whole without being carried out in producing line to mobile phone
Particular detection system is separately provided when testing in machine, not only avoids the testing process of producing line complexity, and greatly reduce cost,
The time is saved.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (8)
1. a kind of mobile terminal, which is characterized in that the mobile terminal includes: coupler, feedback loop, processing unit, voltage
Standing-wave ratio VSWR counter circuit, duplex communication unit；
The coupler is connect with the feedback loop and the VSWR counter circuit respectively；
The feedback loop is connect with the VSWR counter circuit, the processing unit and the duplex communication unit respectively；
The VSWR counter circuit is connect with the processing unit；
The duplex communication unit is connect with the coupler and terminal antenna respectively；
Wherein, the VSWR counter circuit includes root mean square RMS simulator and a switch element；
The RMS simulator is connect with the feedback unit in the processing unit and the feedback loop respectively；
First non-moving end of the switch element is connect with the RMS simulator, and the second non-moving end is connect with ground terminal, moved end and institute
State coupler connection；When the moved end and the first motionless end in contact, shape between the RMS simulator and the coupler
At access；When the moved end and the second motionless end in contact, the coupler ground connection；
The coupler is used to the transmission power of the terminal antenna feeding back to the feedback unit, and by the terminal day
The echo power of line is sent to the RMS simulator；
The RMS simulator is used for after receiving the transmission power that the feedback unit is sent, according to the transmitting function
Rate and the echo power calculate the VSWR value of the terminal antenna, and the VSWR value are sent to processing unit；The place
Reason unit is used to measure the performance of the terminal antenna for storing the VSWR value, the VSWR value.
2. mobile terminal according to claim 1, which is characterized in that the VSWR counter circuit includes root mean square RMS mould
Quasi- device, a switch element, a resistance；
The RMS simulator is connect with the feedback unit in the processing unit and the feedback loop respectively；
First non-moving end of the switch element is connect with the RMS simulator, and moved end is connect with the coupler；
The resistance is connect with the second non-moving end of the switch element and ground terminal respectively.
3. mobile terminal according to claim 1, which is characterized in that the feedback loop includes Transmit-Receive Unit；
The Transmit-Receive Unit is connect with the coupler, the processing unit and the duplex communication unit respectively.
4. mobile terminal according to claim 1, which is characterized in that the feedback loop includes feedback unit；
The feedback unit respectively with the RMS simulator in the coupler, the processing unit and the VSWR counter circuit
Connection.
5. a kind of antenna detection method, applied to mobile terminal described in any claim in the claims 1 to 4,
It is characterized in that, which comprises
The transmission power of terminal antenna is fed back to the feedback unit in feedback loop by coupler；
The echo power of the terminal antenna is sent to the root mean square in voltage standing wave ratio VSWR counter circuit by the coupler
RMS simulator；
The RMS simulator after receiving the transmission power that the feedback unit is sent, according to the transmission power and
The echo power calculates the VSWR value of the terminal antenna；
The VSWR value is sent to processing unit by the RMS simulator, stores the VSWR value by the processing unit, described
VSWR value is used to measure the performance of the terminal antenna；
Wherein, the echo power of the terminal antenna is sent to equal in voltage standing wave ratio VSWR counter circuit by the coupler
Before root RMS simulator, the method also includes: the first non-moving end of control switch element and moved end contact, so that described
Access is formed between RMS simulator and the coupler；
Wherein, when the second motionless end in contact of the moved end and the switch element, the coupler ground connection.
6. according to the method described in claim 5, it is characterized in that, described according to the transmission power and the echo power,
Calculate the VSWR value of the terminal antenna, comprising:
The RMS simulator carries out root mean square calculation to the transmission power, obtains average emitted power；
The RMS simulator carries out root mean square calculation to the echo power, obtains mean echo-power；
The RMS simulator calculates the reflection system of the terminal antenna according to the average emitted power and mean echo-power
Number；
The RMS simulator calculates the VSWR value of the terminal antenna according to the reflection coefficient.
7. according to the method described in claim 5, it is characterized in that, if the VSWR value is less than pre-determined threshold, the terminal
The detection of antenna passage capacity.
8. according to the method described in claim 5, it is characterized in that, the method also includes:
Duplex communication unit receives the echo power of the terminal antenna；
The echo power is respectively sent to the transmitting-receiving in the coupler and the feedback loop by the duplex communication unit
Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686998.4A CN106131275B (en) | 2016-08-18 | 2016-08-18 | Mobile terminal and antenna detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686998.4A CN106131275B (en) | 2016-08-18 | 2016-08-18 | Mobile terminal and antenna detection method |
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| CN106131275B true CN106131275B (en) | 2019-03-15 |
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| CN109391307B (en) * | 2017-08-04 | 2021-08-24 | 维沃移动通信有限公司 | Antenna beam detection system, method and mobile terminal |
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| CN101998452A (en) * | 2009-08-25 | 2011-03-30 | 刘继刚 | System and method for calculating antenna performance |
| CN103270786A (en) * | 2011-08-19 | 2013-08-28 | 华为技术有限公司 | Method for obtaining voltage standing wave ratio, and circuit and base station device |
| CN104718713A (en) * | 2012-09-13 | 2015-06-17 | 爱立信(中国)通信有限公司 | Method and apparatus for antenna calibration |
| CN104833869A (en) * | 2014-02-12 | 2015-08-12 | 富泰华工业（深圳）有限公司 | Antenna testing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7929915B2 (en) * | 2007-09-28 | 2011-04-19 | Verizon Patent And Licensing Inc. | Method and system for measuring cross-polarization isolation value and 1 dB gain compression point |
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- 2016-08-18 CN CN201610686998.4A patent/CN106131275B/en active Active
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|---|---|---|---|---|
| CN101998452A (en) * | 2009-08-25 | 2011-03-30 | 刘继刚 | System and method for calculating antenna performance |
| CN103270786A (en) * | 2011-08-19 | 2013-08-28 | 华为技术有限公司 | Method for obtaining voltage standing wave ratio, and circuit and base station device |
| CN104718713A (en) * | 2012-09-13 | 2015-06-17 | 爱立信(中国)通信有限公司 | Method and apparatus for antenna calibration |
| CN104833869A (en) * | 2014-02-12 | 2015-08-12 | 富泰华工业（深圳）有限公司 | Antenna testing device and method |
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