CN109041095A - Radio circuit adjustment method and relevant apparatus - Google Patents
Radio circuit adjustment method and relevant apparatus Download PDFInfo
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- CN109041095A CN109041095A CN201810791365.9A CN201810791365A CN109041095A CN 109041095 A CN109041095 A CN 109041095A CN 201810791365 A CN201810791365 A CN 201810791365A CN 109041095 A CN109041095 A CN 109041095A
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- main collection
- parameter
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- duplexer
- match
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
Abstract
This application discloses a kind of radio circuit adjustment method and relevant devices, the method is used for debugging radio-frequency circuit, the radio circuit includes RF transceiver, PA, duplexer, the first LNA, main collection switch and main collection antenna, RF transceiver passes sequentially through PA, duplexer, main collection switch and main collection antenna transmitting radiofrequency signal, RF transceiver passes sequentially through main collection antenna, main collection switch, duplexer and the first LNA and receives radiofrequency signal, and method includes: to extract main collection switch to the circuit parameter between main collection antenna by PCB；It is emulated by simulation software and circuit parameter, obtains the target scattering parameter far from the duplexer end of main collection switch；It is emulated by simulation software and target scattering parameter, obtains the first match parameter of the match circuit between duplexer and main collection switch.Simulation efficiency can be promoted using the embodiment of the present application.
Description
Technical field
This application involves simulation technical field more particularly to a kind of radio circuit adjustment method and relevant apparatus.
Background technique
The 3rd generation mobile communication technology (3rd-Generation, 3G) of mobile terminal (such as smart phone) communicate and
Fourth generation mobile communication technology (the 4th Generation, 4G) communication is broadly divided into frequency division duplex (Frequency
Division Duplexing, FDD) and two kinds of communication modes of time division duplex (Time Division Duplexing, TDD),
Middle FDD transmitting-receiving access is mainly realized that transmitting-receiving works at the same time by duplexer and is not interfere with each other.In debugging process, generally require by excellent
Change the matching of duplexer common end to optimize the radio-frequency performance of corresponding FDD frequency range.Conventional method is all circuit board to be printed
After (Printed Circuit Board, PCB) plate is returned, using the scattering parameter of vector network analyzer analysis path, thus
Suitable radio-frequency match is selected, to reach optimum performance.Currently, debugging process may replace tens of kinds of matched forms to adjust back
Examination, debud mode is more complex and time-consuming.
Summary of the invention
The embodiment of the present application provides a kind of radio circuit adjustment method and relevant device, for promoting simulation efficiency.
In a first aspect, the embodiment of the present application provides a kind of radio circuit adjustment method, the method is for debugging radio frequency electricity
Road, the radio circuit include RF transceiver, PA, duplexer, the first LNA, and main collection switch and main collection antenna, the radio frequency are received
Hair device passes sequentially through the PA, the duplexer, the main collection switch and the main collection antenna transmitting radiofrequency signal, the radio frequency
Transceiver passes sequentially through the main collection antenna, the main collection switch, the duplexer and the first LNA and receives radiofrequency signal,
The described method includes:
The main collection switch is extracted to the main circuit parameter for collecting the access cabling between antenna by PCB；
It is emulated by simulation software and the circuit parameter, obtains the separate duplexer end of the main collection switch
Target scattering parameter；
It is emulated by the simulation software and target scattering parameter, obtains the duplexer and the main collection switch
Between match circuit the first match parameter.
Second aspect, the embodiment of the present application provide a kind of radio circuit debugging apparatus, and described device is for debugging radio frequency electricity
Road, the radio circuit include RF transceiver, PA, duplexer, the first LNA, and main collection switch and main collection antenna, the radio frequency are received
Hair device passes sequentially through the PA, the duplexer, the main collection switch and the main collection antenna transmitting radiofrequency signal, the radio frequency
Transceiver passes sequentially through the main collection antenna, the main collection switch, the duplexer and the first LNA and receives radiofrequency signal,
The radio circuit debugging apparatus includes:
Parameter extraction unit, for extracting the main collection switch to the access cabling between the main collection antenna by PCB
Circuit parameter；
Simulation unit obtains the remote of the main collection switch for being emulated by simulation software and the circuit parameter
Target scattering parameter from the duplexer end；It is emulated, is obtained described by the simulation software and target scattering parameter
First match parameter of the match circuit between duplexer and the main collection switch.
The third aspect, the embodiment of the present application provide a kind of radio circuit debugging apparatus, including processor, memory, communication
Interface and one or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured
It is executed by above-mentioned processor, above procedure is included the steps that for executing in method described in the embodiment of the present application first aspect
Instruction.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in method described in the embodiment of the present application first aspect.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Step some or all of described in method of the machine execution as described in the embodiment of the present application first aspect.The computer program produces
Product can be a software installation packet.
As can be seen that in the embodiment of the present application, the main collection for first passing through PCB extraction is switched to the circuit between main collection antenna
Then parameter emulates the match circuit between duplexer and main collection switch by the circuit parameter and simulation software.As it can be seen that this
Apply for the adjustment method flexible operation that embodiment provides, only need to reasonably model the common end that can accurately simulate duplexer
Matching promotes simulation efficiency.
These aspects or other aspects of the application can more straightforward in the following description.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of radio circuit provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of radio circuit adjustment method provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of first two-port network model provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of second two-port network model provided by the embodiments of the present application；
Fig. 5 is the flow diagram of another radio circuit adjustment method provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of radio circuit debugging apparatus provided by the embodiments of the present application；
Fig. 7 is the structural schematic diagram of another radio circuit debugging apparatus provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It is described in detail separately below.
The description and claims of this application and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Figure 1, Fig. 1 is a kind of structural schematic diagram of radio circuit provided by the embodiments of the present application.As shown in Figure 1,
The radio circuit includes RF transceiver, filter, the second low-noise amplifier (Low Noise Amplifier, LNA), is divided
Collect switch, diversity antenna, power amplifier (Power Amplifier, PA), duplexer, the first LNA, main collection switch and main collection
Antenna.RF transceiver is connect with the first LNA, the 2nd LNA and PA respectively, filter and diversity switch connect, diversity switch with
Diversity antenna connection, the first LNA and PA are connect with duplexer, and duplexer and main collection switch connect, main collection switch and main collection day
Line connection.In addition, can also include a filter between the first LNA and duplexer.
The radiofrequency signal that RF transceiver issues is passed through PA, duplexer, main collection switch respectively and is amplified, finally by master
Collection antenna is launched.Main collection antenna receives radiofrequency signal, then respectively by main collection switch, duplexer and the first LNA, finally
Reach RF transceiver.Diversity antenna receives radiofrequency signal, then respectively by diversity switch, filter and the 2nd LNA, finally
Reach RF transceiver.
Wherein, the quantity of main collection antenna can be one, is also possible to multiple, is not limited thereto.The number of diversity antenna
Amount can be one, be also possible to multiple, be not limited thereto.
Wherein, which can be the radiofrequency signal of LTE frequency range, LTE frequency range for example have TDD-LTE Band38,
Band39, Band40 and Band41, FDD-LTE Band1, Band3 and Band7 etc..The radiofrequency signal can be penetrating for 3G frequency range
Frequency signal, 3G frequency range for example have TD SDMA (Time Division-Synchronous Code Division
Multiple Access, TD-SCDMA) Band34 and Band39, wideband code division multiple access (Wideband Code Division
Multiple Access, WCDMA) Band1, Band2, Band5 and Band8 etc..The radiofrequency signal can be the radio frequency of 2G frequency range
Signal, 2G frequency range for example have global system for mobile communications (Global System for Mobile Communication, GSM)
Band 2, Band 3, Band 5 and Band 8 etc..
Wherein, RF transceiver is to refer to realize the device received with sending function to radiofrequency signal.
Wherein, PA is the important component of radio frequency transmitter signal.It is issued for amplifying radio frequency transmitter signal
RF signal power guarantees that radiofrequency signal can be fed on antenna and is transmitted.
Wherein, duplexer is a kind of special two-way three end filter, main to rise primarily directed to FDD system application
To the effect of filtering and isolation signals.
Wherein, main collection antenna refers in the working method of antenna diversity, can send and receive to radiofrequency signal
Antenna become main collection antenna.
Wherein, main collection switch refers to the switch for switching main collection Antenna Operation state.
Wherein, diversity antenna refers in the working method of antenna diversity, is merely able to carry out received day to radiofrequency signal
Line.
Wherein, diversity switch refers to the switch of working frequency range for controlling diversity antenna and reception or emission state.
It describes in detail below to the embodiment of the present application.
Referring to Fig. 2, Fig. 2 is that the embodiment of the present application provides a kind of flow diagram of radio circuit adjustment method, institute
Method is stated for debugging above-mentioned radio circuit, this radio circuit adjustment method includes:
Step 201: radio circuit debugging apparatus is extracted by printed circuit board (Printed Circuit Board, PCB)
Circuit parameter of the main collection switch to the access cabling between the main collection antenna.
Specifically, the specific reality of the circuit parameter for the access cabling that the main collection switch arrives between the main collection antenna is extracted
Existing mode is extracted by way of vector network analyzer passive test.
Wherein, which is applied in mobile terminal, and mobile terminal may include various with wireless communication function
Handheld device, mobile unit, wearable device (such as smartwatch, Intelligent bracelet, pedometer etc.), calculate equipment or connection
It is mobile to other processing equipments of radio modem and various forms of user equipmenies (User Equipment, UE)
Platform (Mobile Station, MS), terminal device (terminal device) etc..For convenience of description, apparatus mentioned above
It is referred to as mobile terminal.
Wherein, circuit parameter includes S2P parameter, and S2P parameter comprises at least one of the following: S parameter, Z parameter, Y parameter and H
Parameter.
Wherein, S parameter i.e. scattering parameter, S parameter are used to assess reflection signal and transmit the amplitude and phase of signal
Information, S parameter mainly includes S11, S12, S21 and S22.Wherein, S12 is used to indicate the reverse isolation degree in transmission, is used for
Influence of the signal of outlines device output end to input terminal.S21 is used to indicate that gain or Insertion Loss, gain in transmission to be due to member
The insertion of part or device and the bearing power that occurs increases, Insertion Loss is the insertion due to element or device and the bearing power occurred
Loss.S11 is used to indicate the return loss of input terminal, can be described as the incident power and reflection power of input terminal radiofrequency signal
Ratio.S22 is used to indicate the return loss of output end, can be described as the incident power and reflection function of output end radiofrequency signal
The ratio of rate.
Wherein, Z parameter i.e. impedance parameter, for indicating the impedance magnitude in two-port network, impedance parameter and two
The structure of port network is related with parameter value, unrelated with external network.Impedance parameter mainly includes Z11, Z21, Z12, Z22.Its
In, Z11 indicates input impedance when output port open circuit, and Z12 indicates transfger impedance when input port open circuit, and Z21 indicates table
Show transfger impedance when output port open circuit, Z22 indicates output impedance when input port open circuit.
Wherein, Y parameter i.e. admittance parameter, for indicating admittance value when two-port network middle port short circuit.Impedance
Parameter mainly includes Y11, Y12, Y21, Y22.Wherein, input admittance when Y11 expression output port short circuit, Y12 indicate input
The transfer admittance when short circuit of port, Y21 indicate input port short circuit when transfer admittance, Y22 indicate input port short circuit when
Output admittance.
Wherein, H parameter i.e. hybrid parameter, when for indicating port network middle port short circuit, with two-port network electricity
Galvanic electricity presses relevant parameter.Hybrid parameter mainly includes H11, H12, H21, H22.Wherein, when H11 expression output port short circuit
Input impedance, H12 indicate that reverse transition voltage ratio when input port open circuit, H21 indicate that forward direction when output port short circuit turns
Electric current ratio is moved, H22 indicates output admittance when input port open circuit.
Step 202: radio circuit debugging apparatus is emulated by simulation software and the circuit parameter, obtains the master
The target scattering parameter far from the duplexer end of collection switch.
Specifically, radio circuit debugging apparatus first passes through simulation software and establishes an artificial circuit, then obtains extraction
Circuit parameter import in the artificial circuit, emulated finally by the artificial circuit it is main collection switch separate duplexer end, i.e.,
It can obtain the target scattering parameter at the separate duplexer end of main collection switch.
Wherein, the simulation software be, for example, Advanced Design System (Automation Device Specification,
ADS) simulation software.Target scattering parameter is, for example, S11.
Step 203: radio circuit debugging apparatus is emulated by the simulation software and target scattering parameter, obtains institute
State the first match parameter of the match circuit between duplexer and the main collection switch.
Specifically, radio circuit debugging apparatus first passes through simulation software and establishes an artificial circuit, then passes through the emulation
Circuit and the step 202 obtained target scattering parameter of emulation emulate the match circuit between duplexer and the main collection switch,
The match parameter of match circuit can be obtained.
As can be seen that in the embodiment of the present application, the main collection for first passing through PCB extraction is switched to the circuit between main collection antenna
Then parameter emulates the match circuit between duplexer and main collection switch by the circuit parameter and simulation software.As it can be seen that this
Apply for the adjustment method flexible operation that embodiment provides, only need to reasonably model the common end that can accurately simulate duplexer
Matching promotes simulation efficiency.
In the implementation of the application, the specific implementation of step 202 has:
Radio circuit debugging apparatus establishes the first two-port network model, first two-port network by simulation software
The separate duplexer end of the first port of model as the main collection switch, the second of the first two-port network model
Port is as the main collection antenna end；The circuit parameter is imported the first two-port network mould by radio circuit debugging apparatus
Type emulates the main separate duplexer end for collecting switch, obtains the separate duplexer of the main collection switch
The target scattering parameter at end.
Wherein, two-port network model refers to the multiterminal network that port number is equal to 2, and a port of two-port network is
Input port, for receiving signal or energy, another port is output port, is used for output signal or energy.
Specifically, the first two-port network model is as shown in figure 3, the two-port network model includes first port, second
Port and a device model, are set to a resistance at first port and second port, at first port and second port
The impedance value of resistance is equal to 50 ohm.Circuit parameter import the first two-port network model refer to using the circuit parameter as
The circuit parameter of the device model.As it can be seen that in the first two-port network model, known to the circuit parameter in device model, two
The impedance value of port it is also known that in the case where, directly can simulate the first of the first two-port network model by simulation software
The S11 of port, i.e. emulation obtain the S11 of the output end of main collection switch.
It should be noted that the first two-port network model is not limited to structure shown in Fig. 3, structure described in Fig. 3 is only
A kind of example provided by the present application.
In the implementation of the application, the specific implementation of step 203 has:
Radio circuit debugging apparatus establishes the second two-port network model, second Two-port netwerk by the simulation software
The third port of network model is sequentially connected duplexer model, match circuit model, main collection switch models and the two or two end
4th port of mouth network model, the impedance value and the target scattering parameter association of the 4th port；Radio circuit debugging
Device emulates the match circuit model, realizes impedance matching, obtains between the duplexer and the main collection switch
Match circuit the first match parameter.
Further, the impedance value of the 4th port refers to the impedance value of the resistance at the 4th port, which is equal to
One solution of the conjugation of target scattering parameter.
Further, before establishing the second two-port network model, it is double that radio circuit debugging apparatus first passes through PCB extraction
The circuit parameter of the circuit parameter of work device and main collection switch.
Further, the match circuit includes needing matched electronic device, described to need matched electronic device packet
Include following one of which: capacitor, inductance, resistance.
Further, the match circuit is " π " type match circuit.
It is further, described that need matched electronic device include first capacitor, the first inductance and the second capacitor, and described the
One end of one capacitor is connect with one end of first inductance, the other end of one end of second capacitor and first inductance
The other end of connection, the other end of the first capacitor and second capacitor is grounded.
Wherein, the match parameter of match circuit includes needing the value of matched electronic device.For example, needing matched electronics
Device includes first capacitor, the first inductance and the second capacitor, then the match parameter of match circuit includes the capacitor of first capacitor
Value, the capacitance of the inductance value of the first inductance and the second capacitor.
Specifically, the second two-port network model is as shown in figure 4, be set to an electricity at third port and the 4th port
It hinders, the impedance value of the resistance at third port is equal to 50 ohm, and the impedance value of the resistance at the 4th port is joined equal to target scattering
One solution of several conjugation.Circuit parameter of the circuit parameter of the duplexer extracted as duplexer model, the master extracted
Collect circuit parameter of the circuit parameter of switch as main collection switch models.As it can be seen that in the second two-port network model, in duplex
The circuit parameter of known, the main collection switch of the circuit parameter of device model is known, two-port impedance value it is also known that in the case where, pass through
The value of matching network model is adjusted, so that S11, S21 and S22 of the second two-port network reach most preferably, i.e., S11 most restrains, S21
Differential loss is minimum, and S22 can simulate the first matching ginseng of the match circuit between duplexer and main collection switch near 50 ohm
Number.
It should be noted that the first two-port network model is not limited to structure shown in Fig. 4, structure described in Fig. 4 is only
A kind of example provided by the present application.
In the implementation of the application, after step 203, the method also includes:
Match circuit with first match parameter is soldered on the PCB and carries out in fact by radio circuit debugging apparatus
Border test, obtains test result；Radio circuit debugging apparatus is according to the test result on the basis of first match parameter
On be finely adjusted, obtain the second match parameter of the match circuit model.
Specifically, the test of above-mentioned testing procedure is scattering parameter that duplexer is switched to main collection, such as S11, S12, S21 and
S22, then the test result that testing procedure obtains includes the value of S11, S12, S21 and S22 that duplexer is switched to main collection.
As it can be seen that in the embodiment of the present application, after the match parameter for simulating match circuit by simulation software, will have
There is the match circuit of the match parameter to be soldered on PCB and carry out actual test, obtains a test result, be then based on the test
As a result it is finely adjusted, more accurately match parameter available in this way, and then improves the accuracy of emulation.
It should be noted that above-mentioned radio circuit debugging apparatus is the computer equipment for being equipped with simulation software, the calculating
Machine equipment for example can be computer, notebook, tablet computer, industrial computer, mobile terminal etc..
The embodiment of the present application also provides another more detailed method flows, as shown in figure 5, the method is for debugging
Above-mentioned radio circuit, this radio circuit adjustment method include:
Step 501: radio circuit debugging apparatus extracts the main collection switch to the electricity between the main collection antenna by PCB
Road parameter.
Step 502: radio circuit debugging apparatus establishes the first two-port network model by simulation software, and the described 1st
The first port of port network model is as the main collection switch far from the duplexer end, the first two-port network mould
The second port of type is as the main collection antenna end.
Step 503: the circuit parameter is imported the first two-port network model by radio circuit debugging apparatus.
Step 504: radio circuit debugging apparatus is emulated to the main collection switch far from the duplexer end, is obtained
The target scattering parameter far from the duplexer end of the main collection switch.
Step 505: radio circuit debugging apparatus establishes the second two-port network model by the simulation software, and described
The third port of two two-port network models is sequentially connected duplexer model, match circuit model, main collection switch models and described
4th port of the second two-port network model, the impedance value and the target scattering parameter association of the 4th port.
Step 506: radio circuit debugging apparatus emulates the match circuit model, realizes impedance matching, obtains
First match parameter of the match circuit between the duplexer and the main collection switch.
Step 507: the match circuit with first match parameter is soldered to the PCB by radio circuit debugging apparatus
Upper carry out actual test, obtains test result.
Step 508: radio circuit debugging apparatus according to the test result on the basis of first match parameter into
Row fine tuning, obtains the second match parameter of the match circuit model.
It should be noted that the specific implementation process of each step of method shown in fig. 5 can be found in described in the method
Specific implementation process, no longer describe herein.
It is consistent with above-mentioned Fig. 2 and embodiment shown in fig. 5, referring to Fig. 6, Fig. 6 is provided by the embodiments of the present application one
The structural schematic diagram of kind radio circuit debugging apparatus, the radio circuit debugging apparatus are such as schemed for debugging above-mentioned radio circuit
Shown, which includes processor, memory, communication interface and one or more programs, wherein above-mentioned
One or more programs are stored in above-mentioned memory, and are configured to be executed by above-mentioned processor, and above procedure includes using
In the instruction for executing following steps:
The main collection switch is extracted to the circuit parameter between the main collection antenna by PCB；
It is emulated by simulation software and the circuit parameter, obtains the separate duplexer end of the main collection switch
Target scattering parameter；
It is emulated by the simulation software and target scattering parameter, obtains the duplexer and the main collection switch
Between match circuit the first match parameter.
It in the implementation of the application, is emulated, is obtained described by simulation software and the circuit parameter
In terms of the target scattering parameter far from the duplexer end of main collection switch, above procedure is specifically used for executing the finger of following steps
It enables:
The first two-port network model is established by simulation software, the first port of the first two-port network model is made
It is the main collection switch far from the duplexer end, the second port of the first two-port network model is as the main collection
Antenna end；
The circuit parameter is imported into the first two-port network model, to the main collection switch far from the duplex
Device end is emulated, and the target scattering parameter far from the duplexer end of the main collection switch is obtained.
In the implementation of the application, is emulated, obtained by the simulation software and target scattering parameter
In terms of first match parameter of the match circuit between the duplexer and the main collection switch, above procedure is specifically used for executing
The instruction of following steps:
The second two-port network model, the third end of the second two-port network model are established by the simulation software
Mouth is sequentially connected the 4th of duplexer model, match circuit model, main collection switch models and the second two-port network model
Port, the impedance value and the target scattering parameter association of the 4th port；
The match circuit model is emulated, realizes impedance matching, obtains the duplexer and the main collection switch
Between match circuit the first match parameter.
In the implementation of the application, is emulated, obtained by the simulation software and target scattering parameter
The duplexer and it is described it is main collection switch between match circuit the first match parameter after, above procedure be also used to execute with
The instruction of lower step:
Match circuit with first match parameter is soldered on the PCB and carries out actual test, is tested
As a result；
It is finely adjusted on the basis of first match parameter according to the test result, obtains the match circuit mould
Second match parameter of type.
In the implementation of the application, the match circuit includes needing matched electronic device, the needs
The electronic device matched includes following one of which: capacitor, inductance, resistance.
In the implementation of the application, the match circuit is " π " type match circuit.
In the implementation of the application, it is described need matched electronic device include first capacitor, the first inductance and
Second capacitor, one end of the first capacitor are connect with one end of first inductance, one end of second capacitor with it is described
The other end of first inductance connects, and the other end of the other end of the first capacitor and second capacitor is grounded.
It should be noted that the specific implementation process of the present embodiment can be found in specific implementation described in above method embodiment
Process no longer describes herein.
Above-described embodiment is mainly described the scheme of the embodiment of the present application from the angle of method side implementation procedure.It can
With understanding, in order to realize the above functions, it comprises execute each corresponding hardware knot of function for radio circuit debugging apparatus
Structure and/or software module.Those skilled in the art should be readily appreciated that, described in conjunction with the examples disclosed in this document
Each exemplary unit and algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Certain
A function is executed in a manner of hardware or computer software driving hardware actually, depending on technical solution specific application and
Design constraint.Professional technician specifically can realize described function using distinct methods to each,
But this realization is it is not considered that exceed scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to the method example to radio circuit debugging apparatus,
For example, each functional unit of each function division can be corresponded to, two or more functions can also be integrated in one
In processing unit.The integrated unit both can take the form of hardware realization, can also use the shape of SFU software functional unit
Formula is realized.It should be noted that being schematical, only a kind of logic function stroke to the division of unit in the embodiment of the present application
Point, there may be another division manner in actual implementation.
It is below the application Installation practice, the application Installation practice is realized for executing the application embodiment of the method
Method.Referring to Fig. 7, Fig. 7 is a kind of radio circuit debugging apparatus provided by the embodiments of the present application, the radio circuit debugging
For debugging above-mentioned radio circuit, radio circuit debugging apparatus includes: device
Parameter extraction unit 701, for by printing board PCB extract the main collection switch to the main collection antenna it
Between access cabling circuit parameter；
Simulation unit 702 obtains the main collection switch for being emulated by simulation software and the circuit parameter
Target scattering parameter far from the duplexer end；It is emulated by the simulation software and target scattering parameter, obtains institute
State the first match parameter of the match circuit between duplexer and the main collection switch.
It in the implementation of the application, is emulated, is obtained described by simulation software and the circuit parameter
In terms of the target scattering parameter far from the duplexer end of main collection switch, simulation unit 702 is specifically used for:
The first two-port network model is established by simulation software, the first port of the first two-port network model is made
It is the main collection switch far from the duplexer end, the second port of the first two-port network model is as the main collection
Antenna end；
The circuit parameter is imported into the first two-port network model, to the main collection switch far from the duplex
Device end is emulated, and the target scattering parameter far from the duplexer end of the main collection switch is obtained.
In the implementation of the application, is emulated, obtained by the simulation software and target scattering parameter
In terms of first match parameter of the match circuit between the duplexer and the main collection switch, simulation unit 702 is specifically used for:
The second two-port network model, the third end of the second two-port network model are established by the simulation software
Mouth is sequentially connected the 4th of duplexer model, match circuit model, main collection switch models and the second two-port network model
Port, the impedance value and the target scattering parameter association of the 4th port；
The match circuit model is emulated, realizes impedance matching, obtains the duplexer and the main collection switch
Between match circuit the first match parameter.
In the implementation of the application, simulation unit 702 by the simulation software and target scattering parameter into
Row emulation, after obtaining the first match parameter of the match circuit between the duplexer and the main collection switch, radio circuit
Debugging apparatus further includes test cell 703, in which:
Test cell 703 carries out in fact for the match circuit with first match parameter to be soldered on the PCB
Border test, obtains test result；
Simulation unit 702 is also used to be finely adjusted on the basis of first match parameter according to the test result,
Obtain the second match parameter of the match circuit model.
In the implementation of the application, the match circuit includes needing matched electronic device, the needs
The electronic device matched includes following one of which: capacitor, inductance, resistance.
In the implementation of the application, the match circuit is " π " type match circuit.
In the implementation of the application, it is described need matched electronic device include first capacitor, the first inductance and
Second capacitor, one end of the first capacitor are connect with one end of first inductance, one end of second capacitor with it is described
The other end of first inductance connects, and the other end of the other end of the first capacitor and second capacitor is grounded.
It should be noted that parameter extraction unit 701, simulation unit 702 and test cell 703 can by processor come
It realizes.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, the computer program make computer execute any as recorded in above method embodiment
Some or all of method step, above-mentioned computer include radio circuit debugging apparatus.
The embodiment of the present application also provides a kind of computer program product, and above-mentioned computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, above-mentioned computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of either record method step in method embodiment.The computer program product can be a software installation
Packet, above-mentioned computer includes radio circuit debugging apparatus.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
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, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment above method of the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of radio circuit adjustment method, which is characterized in that the method is used for debugging radio-frequency circuit, the radio circuit packet
RF transceiver, power amplifier PA, duplexer, the first low-noise amplifier LNA, main collection switch and main collection antenna are included, it is described
RF transceiver passes sequentially through the PA, the duplexer, the main collection switch and the main collection antenna transmitting radiofrequency signal, institute
It states RF transceiver and passes sequentially through the main collection antenna, the main collection switch, the duplexer and the first LNA reception radio frequency
Signal, which comprises
The main collection switch is extracted to the circuit parameter between the main collection antenna by printing board PCB；
It is emulated by simulation software and the circuit parameter, obtains the mesh far from the duplexer end of the main collection switch
Mark scattering parameter；
It is emulated, is obtained between the duplexer and the main collection switch by the simulation software and target scattering parameter
First match parameter of match circuit.
2. the method according to claim 1, wherein described imitated by simulation software and the circuit parameter
Very, the target scattering parameter far from the duplexer end of the main collection switch is obtained, comprising:
The first two-port network model is established by simulation software, the first port of the first two-port network model is as institute
The separate duplexer end of main collection switch is stated, the second port of the first two-port network model is as the main collection antenna
End；
The circuit parameter is imported into the first two-port network model, to the main collection switch far from the duplexer end
It is emulated, obtains the target scattering parameter far from the duplexer end of the main collection switch.
3. method according to claim 1 or 2, which is characterized in that described to be joined by the simulation software and target scattering
Number is emulated, and the first match parameter of the match circuit between the duplexer and the main collection switch is obtained, comprising:
Establish the second two-port network model by the simulation software, the third port of the second two-port network model according to
4th port of secondary connection duplexer model, match circuit model, main collection switch models and the second two-port network model,
The impedance value and the target scattering parameter association of 4th port；
The match circuit model is emulated, realizes impedance matching, is obtained between the duplexer and the main collection switch
Match circuit the first match parameter.
4. method according to claim 1-3, which is characterized in that described to be dissipated by the simulation software and target
Parameter is penetrated to be emulated, after obtaining the first match parameter of the match circuit between the duplexer and the main collection switch,
The method also includes:
Match circuit with first match parameter is soldered on the PCB and carries out actual test, obtains test result；
It is finely adjusted on the basis of first match parameter according to the test result, obtains the match circuit model
Second match parameter.
5. method according to claim 1-4, which is characterized in that the match circuit includes needing matched electricity
Sub- device, the matched electronic device of needs includes following one of which: capacitor, inductance, resistance.
6. according to the method described in claim 5, it is characterized in that, the match circuit is " π " type match circuit.
7. according to the method described in claim 6, it is characterized in that, it is described need matched electronic device include first capacitor,
First inductance and the second capacitor, one end of the first capacitor are connect with one end of first inductance, second capacitor
One end is connect with the other end of first inductance, and the other end of the other end of the first capacitor and second capacitor connects
Ground.
8. a kind of radio circuit debugging apparatus, which is characterized in that described device is used for debugging radio-frequency circuit, the radio circuit packet
RF transceiver, power amplifier PA, duplexer, the first low-noise amplifier LNA, main collection switch and main collection antenna are included, it is described
RF transceiver passes sequentially through the PA, the duplexer, the main collection switch and the main collection antenna transmitting radiofrequency signal, institute
It states RF transceiver and passes sequentially through the main collection antenna, the main collection switch, the duplexer and the first LNA reception radio frequency
Signal, the radio circuit debugging apparatus include:
Parameter extraction unit, for extracting the main collection switch to leading between the main collection antenna by printing board PCB
The circuit parameter of road cabling；
Simulation unit obtains the separate institute of the main collection switch for being emulated by simulation software and the circuit parameter
State the target scattering parameter at duplexer end；It is emulated by the simulation software and target scattering parameter, obtains the duplex
First match parameter of the match circuit between device and the main collection switch.
9. a kind of radio circuit debugging apparatus, which is characterized in that including processor, memory, communication interface and one or more
A program, one or more of programs are stored in the memory, and are configured to be executed by the processor, described
Program is included the steps that for executing the instruction in the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange,
In, the computer program makes computer execute the method according to claim 1 to 7.
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