CN108923867A - Radio circuit adjustment method and relevant apparatus - Google Patents
Radio circuit adjustment method and relevant apparatus Download PDFInfo
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- CN108923867A CN108923867A CN201810790649.6A CN201810790649A CN108923867A CN 108923867 A CN108923867 A CN 108923867A CN 201810790649 A CN201810790649 A CN 201810790649A CN 108923867 A CN108923867 A CN 108923867A
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- circuit
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- simulation parameter
- duplexer
- intended recipient
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
This application discloses a kind of radio circuit adjustment method and relevant apparatus, dividing intended recipient link is the first circuit and second circuit, first circuit includes the first low-noise amplifier, duplexer or the filter, main collection duplexer, and second circuit includes main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat；Obtain the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit；Call the first emulation module according to the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit, emulation obtains the reference match circuit of the first circuit and the reference match circuit of second circuit；The Insertion Loss of intended recipient link is determined according to the reference match circuit of the reference match circuit of the first circuit and second circuit；According to the specifications parameter of the receiver port of the Insertion Loss of intended recipient link, the specifications parameter of the first low-noise amplifier and RF transceiver, the maximum sensitivity of intended recipient link is determined.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 electronic equipment (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.And TDD is mainly prevented by filter
Other mobile devices of main wave interference.Debugging to receives link, since receiver chip does not weld the ground pad of test, because
It is receiver chip or LNA with the in the majority of BGA package, therefore conventional method is all the directly welding reference after pcb board is returned
With circuit, receiving sensitivity is tested, and constantly replaces component value, i.e., " blind tune ".Debugging process may replace tens of kinds
It is quite time-consuming with form.
Summary of the invention
The embodiment of the present application provides a kind of radio circuit adjustment method and relevant apparatus, for promoting simulation efficiency.
In a first aspect, the embodiment of the present application provides a kind of radio circuit adjustment method, it is applied to test equipment, the test
Equipment is used to determine the maximum sensitivity of the intended recipient link of radio circuit, and the intended recipient link includes radio-frequency receiving-transmitting
Device, the first low-noise amplifier, first filter or duplexer, main collection duplexer, combiner, antenna change-over switch and radio frequency
Test bench, the RF transceiver pass sequentially through first low-noise amplifier, the first filter or the duplexer,
The main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seated connection receive radiofrequency signal, described
Method includes：
Dividing the intended recipient link is the first circuit and second circuit, and first circuit includes first low noise
Acoustic amplifier, the duplexer or the filter, the main collection duplexer, the second circuit include the main collection antenna
Switch, the combiner, the antenna change-over switch and the radio frequency testing seat；
Obtain the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；
Call the first emulation module according to the simulation parameter collection of first circuit and the simulation parameter of the second circuit
Collection, emulation obtain the reference match circuit of first circuit and the reference match circuit of the second circuit；
The mesh is determined according to the reference match circuit of the reference match circuit of first circuit and the second circuit
Mark the Insertion Loss of receives link；
It is received according to the Insertion Loss of the intended recipient link, the specifications parameter of first low-noise amplifier and the radio frequency
The specifications parameter for sending out the receiver port of device, determines the maximum sensitivity of the intended recipient link.
Second aspect, the embodiment of the present application provide a kind of radio circuit debugging apparatus, are applied to test equipment, the test
Equipment is used to determine the maximum sensitivity of the intended recipient link of radio circuit, and the intended recipient link includes radio-frequency receiving-transmitting
Device, the first low-noise amplifier, first filter or duplexer, main collection duplexer, combiner, antenna change-over switch and radio frequency
Test bench, the RF transceiver pass sequentially through first low-noise amplifier, the first filter or the duplexer,
The main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seated connection receive radiofrequency signal, described
Device includes processing unit and communication unit, wherein
The processing unit is the first circuit and second circuit, first electricity for dividing the intended recipient link
Road includes first low-noise amplifier, the duplexer or the filter, the main collection duplexer, second electricity
Road includes the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seat；And pass through institute
It states communication unit and obtains the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；And call first
For emulation module according to the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit, emulation obtains described the
The reference match circuit of one circuit and the reference match circuit of the second circuit；And the reference according to first circuit
Reference match circuit with circuit and the second circuit determines the Insertion Loss of the intended recipient link；And according to the target
The receiver port of the Insertion Loss of receives link, the specifications parameter of first low-noise amplifier and the RF transceiver
Specifications parameter determines the maximum sensitivity of the intended recipient link.
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, when the intended recipient link of test equipment debugging radio-frequency circuit, draw first
Partial objectives for receives link is the first circuit and second circuit, and the first circuit includes the first low-noise amplifier, duplexer or described
Filter, main collection duplexer, second circuit include main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat；
Secondly, obtaining the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit；Again, call the first emulation module according to
The simulation parameter collection of first circuit and the simulation parameter collection of second circuit, emulation obtain the reference match circuit and the of the first circuit
The reference match circuit of two circuits；Again, according to the reference match circuit of the reference match circuit of the first circuit and second circuit
Determine the Insertion Loss of intended recipient link；Finally, according to the Insertion Loss of intended recipient link, the specifications parameter of the first low-noise amplifier
With the specifications parameter of the receiver port of RF transceiver, the maximum sensitivity of intended recipient link is determined.As it can be seen that the application
Embodiment determines the performance (maximum sensitivity) of radio frequency reception link, to judge whether the TIS of electronic equipment can satisfy sky
Middle download technology OTA index.Whole process only needs PCB file parameters and making sheet parameter, can be counted using link budget model
Calculate a certain frequency range maximum sensitivity can reach how many, calculated result is relatively accurate and 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 a is a kind of structural schematic diagram of radio circuit provided by the embodiments of the present application；
Fig. 1 b is the structural schematic diagram of another radio circuit provided by the embodiments of the present application；
Fig. 2 a is a kind of flow diagram of radio circuit adjustment method provided by the embodiments of the present application；
Fig. 2 b is a kind of structural schematic diagram of first two-port network model provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of test equipment provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of 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.
A referring to Figure 1, Fig. 1 a are a kind of structural schematic diagrams of radio circuit provided by the embodiments of the present application.Such as Fig. 1 a institute
Show, which supports FDD standard, the signal receiving path of signal transmitting and receiving access and diversity antenna including main collection antenna,
The signal transmitting and receiving access of the main collection antenna includes the first low-noise amplifier LNA, power amplifier PA, duplexer, main collection antenna
Switch, combiner, antenna change-over switch, radio frequency testing seat, wherein RF transceiver connect the first LNA and PA, the first LNA and
PA connection duplexer, duplexer connect main collection duplexer, and main collection duplexer connects combiner, and combiner connects antenna switching
Switch, antenna change-over switch connect radio frequency testing seat, the signal receiving path of the diversity antenna include the 2nd LNA, filter and
Diversity antenna switch, wherein RF transceiver connects the 2nd LNA, the 2nd LNA connection filter, and filter connects diversity antenna
Switch.The RF transceiver pass sequentially through first low-noise amplifier, the duplexer, the main collection duplexer,
The combiner, the antenna change-over switch and the radio frequency testing seated connection receive radiofrequency signal.
A referring to Figure 1, Fig. 1 a are a kind of structural schematic diagrams of radio circuit provided by the embodiments of the present application.Such as Fig. 1 a institute
Show, which supports TDD standard, the signal receiving path of signal transmitting and receiving access and diversity antenna including main collection antenna,
The signal transmitting and receiving access of the main collection antenna includes the first low-noise amplifier LNA, power amplifier PA, first filter, second
Filter, main collection duplexer, combiner, antenna change-over switch, radio frequency testing seat, wherein RF transceiver connects the first LNA
And PA, the first LNA connect duplexer with PA, duplexer connects main collection duplexer, and main collection duplexer connects combiner, combining
Device connects antenna change-over switch, and antenna change-over switch connects radio frequency testing seat, and the signal receiving path of the diversity antenna includes the
Two LNA, third filter and diversity antenna switch, wherein RF transceiver connects the 2nd LNA, the filtering of the 2nd LNA connection third
Device, third filter connect diversity antenna switch.The RF transceiver passes sequentially through first low-noise amplifier, described
Duplexer, the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seated connection receive radio frequency letter
Number.
Wherein, the antenna amount of main collection antenna can be one, is also possible to multiple, is not limited thereto.Diversity antenna
Quantity 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 duplexer 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 antenna switch refers to opening for working frequency range for controlling diversity antenna and reception or emission state
It closes.
Total omnidirectional sensitivity (Total Isotropic Sensitivity, TIS)：It is reflected in entire radiation spherical surface mobile phone
The case where receiving sensitivity index.
It describes in detail below to the embodiment of the present application.
Fig. 2 a is please referred to, Fig. 2 a is that the embodiment of the present application provides a kind of flow diagram of radio circuit adjustment method,
Applied to test equipment, the test equipment is used to determine the maximum sensitivity of the intended recipient link of radio circuit, the mesh
Mark receives link includes RF transceiver, the first low-noise amplifier, first filter or duplexer, main collection duplexer, closes
Road device, antenna change-over switch and radio frequency testing seat, the RF transceiver pass sequentially through first low-noise amplifier, described
First filter or the duplexer, the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency
Test bench receives radiofrequency signal, this radio circuit adjustment method includes：
Step 201：It is the first circuit and second circuit that the test equipment, which divides the intended recipient link, described first
Circuit includes first low-noise amplifier, the duplexer or the filter, the main collection duplexer, and described second
Circuit includes the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seat；
Specifically, the specific implementation for dividing circuit can be to be extracted by vector network analyzer passive test mode
The Turbo codes information of corresponding circuits.
Wherein, which is applied in electronic equipment, and electronic equipment 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 electronic equipment.
Wherein, above-mentioned test equipment for example can be computer, notebook, tablet computer, industrial computer, mobile terminal
Deng.
Step 202：The test equipment obtains the emulation of the simulation parameter collection and the second circuit of first circuit
Parameter set；
Wherein, the simulation software be, for example, Advanced Design System (Automation Device Specification,
ADS) simulation software.
Step 203：The test equipment calls simulation parameter collection and institute of first emulation module according to first circuit
The simulation parameter collection of second circuit is stated, emulation obtains the reference of the reference match circuit and the second circuit of first circuit
Match circuit；
Wherein, it is described with reference to match circuit refer to first or second circuit under the default constraint condition of all kinds of indexs,
The component value for the adjustable matching network that first emulation module emulates, this is adjustable, and matching network is used to merge in corresponding circuit
In (first or second circuit) so that the index of the circuit meets the default constraint condition.Wherein, default constraint condition can be with
When being the comprehensive score highest of one or more indexs or being higher than preset threshold, only 1 index, then the index should be scoring
The higher the better, can be each index allocation weight, or the metrics evaluation plan being pre-configured based on other when being multiple indexs
Slightly, by the comprehensive score of match circuit different during real-time computer sim- ulation, corresponding finger when highest comprehensive score is obtained
The component value of scale value and match circuit.Above-mentioned match circuit, which specifically includes, needs matched electronic device, and the needs are matched
Electronic device includes following one of which：Capacitor, inductance, resistance.The match circuit is " π " type match circuit.
Wherein, These parameters include S2P parameter, which comprises at least one of the following：S parameter, Z parameter, Y parameter
With 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 is namely led
Parameter is received, 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 transfer admittance when input port short circuit, Y21
Indicate transfer admittance when input port short circuit, Y22 indicates output admittance when input port short circuit.Wherein, H parameter is namely
Hybrid parameter, when for indicating port network middle port short circuit, parameter relevant to two-port network Current Voltage.Hybrid parameter
It mainly include H11, H12, H21, H22.Wherein, input impedance when H11 expression output port short circuit, H12 indicate input port
Reverse transition voltage ratio when open circuit, H21 indicate that forward transfer electric current ratio when output port short circuit, H22 indicate input port
Output admittance when open circuit.
Step 204：The test equipment is according to the reference match circuit of first circuit and the ginseng of the second circuit
Examine the Insertion Loss that match circuit determines the intended recipient link；
Step 205：The test equipment is according to the Insertion Loss of the intended recipient link, first low-noise amplifier
The specifications parameter of the receiver port of specifications parameter and the RF transceiver determines the highest spirit of the intended recipient link
Sensitivity.
Wherein, the calculation formula of the sensitivity of receives link is
Sin (dBm)=NF (dB)+KTBRF (dBm)+Eb/No (dB)-PG (dB),
Wherein, input signal power obtained by Sin=, NF indicate noise coefficient, refer to input terminal signal-to-noise ratio and this
The ratio of the signal-to-noise ratio of a equipment output end；Metric parameter (energy per bit and the noise power spectral density of Eb/No expression link
Ratio)；PG indicates processing gain；KTBRF indicates obtainable and inputs thermal noise power.
As can be seen that in the embodiment of the present application, when the intended recipient link of test equipment debugging radio-frequency circuit, draw first
Partial objectives for receives link is the first circuit and second circuit, and the first circuit includes the first low-noise amplifier, duplexer or described
Filter, main collection duplexer, second circuit include main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat；
Secondly, obtaining the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit；Again, call the first emulation module according to
The simulation parameter collection of first circuit and the simulation parameter collection of second circuit, emulation obtain the reference match circuit and the of the first circuit
The reference match circuit of two circuits；Again, according to the reference match circuit of the reference match circuit of the first circuit and second circuit
Determine the Insertion Loss of intended recipient link；Finally, according to the Insertion Loss of intended recipient link, the specifications parameter of the first low-noise amplifier
With the specifications parameter of the receiver port of RF transceiver, the maximum sensitivity of intended recipient link is determined.As it can be seen that the application
Embodiment determines the performance (maximum sensitivity) of radio frequency reception link, to judge whether the TIS of electronic equipment can satisfy sky
Middle download technology OTA index.Whole process only needs PCB file parameters and making sheet parameter, can be counted using link budget model
Calculate a certain frequency range maximum sensitivity can reach how many, calculated result is relatively accurate and efficiency.
In a possible example, the test equipment calls the first emulation module according to the emulation of first circuit
The simulation parameter collection of parameter set and the second circuit emulates to obtain the reference match circuit of first circuit, including：It is described
Test equipment calls the first emulation module to create schematic diagram, and the first two-port network model and target are created on the schematic diagram
The simulation parameter collection of the second circuit is imported the first two-port network mould by the second two-port network model of frequency range
Type, emulation obtain the reference match circuit of the second circuit, by the reference match circuit of the second circuit, first electricity
The simulation parameter collection on road imports the second two-port network model, and emulation obtains the reference match circuit of first circuit.
Wherein, the above-mentioned treatment process of the first emulation module is also known as schematic diagram emulation.The target frequency bands can be LTE
In each frequency range, do not do unique restriction herein.
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,
One two-port network model is as shown in Figure 2 b, which includes first port, second port and a device mould
A resistance is provided at type, first port and second port, the impedance value of the resistance at first port and second port is equal
Equal to 50 ohm.Circuit parameter imports the first two-port network model and refers to using simulation parameter collection as the electricity of the device model
Road parameter.As it can be seen that in the first two-port network model, known to the circuit parameter in device model, the impedance value of two-port
In known situation, it can directly pass through simulation software in the pact of the preset condition of all kinds of indexs of the first two-port network model
Under beam, the reference match circuit of first or second circuit, i.e., the component value of adjustable matching network are simulated.It should be noted that
First two-port network model is not limited to structure shown in Fig. 2 b, and structure described in Fig. 2 b is only that one kind provided by the present application is shown
Example.
As it can be seen that, since second circuit corresponds to the common portion of radio circuit, the band segment is wide in this example, so needing
The second circuit is first emulated, then emulates the first circuit of each frequency range based on second circuit.Simulation result so can be improved
Accuracy and suitability.
In a possible example, the test equipment obtains the simulation parameter collection and described second of first circuit
The simulation parameter collection of circuit, including：The test equipment calls the second emulation module to emulate first circuit and described second
Circuit obtains the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit.
Wherein, the simulation process of above-mentioned second emulation module specifically can be ADS EM emulation.
In the specific implementation, Turbo codes letter of the test equipment in the Turbo codes information and second circuit for extracting the first circuit
It, can be according to the circuit model of the first circuit of Turbo codes information creating of the first second circuit and the circuit of second circuit after breath
Model, and the circuit model for calling second emulation module to emulate first second circuit obtains corresponding simulation parameter collection.
As it can be seen that the circuit topology information of the first second circuit can be converted to the first emulation by test equipment in this example
The simulation parameter collection that module can identify improves simulation efficiency to realize the emulation to the first second circuit.
In a possible example, it is the first circuit and the second electricity that the test equipment, which divides the intended recipient link,
After road, before the simulation parameter collection of the simulation parameter collection for obtaining first circuit and the second circuit, the side
Method further includes：The test equipment adds the polarization port Port in the predeterminated position of first circuit and the second circuit；
The PCB lamination of first circuit and the second circuit is configured according to the manufacturing parameter of printing board PCB.
Wherein, the predeterminated position is the position of the port of the two sides of the first circuit and second circuit.
As it can be seen that in this example, due to the circuit port information and laminated information missing after dividing, so need to reset
It is comprehensive and quasi- to improve emulation so that the topology information of the circuit divided is as perfect as possible for the port information and laminated information
Exactness.
In a possible example, it is the first circuit and the second electricity that the test equipment, which divides the intended recipient link,
Before road, the method also includes：The test equipment obtains the circuit map file of the object format of the radio circuit；It chooses
The intended recipient link in the circuit map file.
Wherein, the original document of radio circuit is PCB file, and the object format includes ODB++.
As it can be seen that, by format conversion, the original document of radio circuit quickly can be converted into simulation software in this example
The file for the ODB++ format that can be identified, to realize automatic simulation.
In a possible example, the Insertion Loss according to the intended recipient link, first low noise amplification
The specifications parameter of the receiver port of the specifications parameter of device and the RF transceiver determines the intended recipient link most
After high sensitivity, the method also includes：The test equipment by with first circuit best match circuit and
The best match circuit of the circuit, which is soldered on the PCB, carries out actual test, obtains test result；The test equipment root
It is carried out on the basis of the reference element value of the device of the reference match circuit of first second circuit according to the test result
Fine tuning, obtains the object component value of the device of the reference match circuit of first second circuit.
As it can be seen that in the embodiment of the present application, test equipment, which will have to be soldered on PCB with reference to match circuit, carries out practical survey
Examination, obtains a test result, is then based on the test result and is finely adjusted, more accurately match parameter available in this way, into
And improve the accuracy of emulation.
It is consistent with above-mentioned embodiment shown in Fig. 3, referring to Fig. 3, Fig. 3 is a kind of test provided by the embodiments of the present application
The structural schematic diagram of equipment 300, as shown, the test equipment 300 includes processor 310, memory 320, communication interface
330 and one or more program 321, the test equipment 300 be used to determine the highest of the intended recipient link of radio circuit
Sensitivity, the intended recipient link include RF transceiver, the first low-noise amplifier, first filter or duplexer, master
Collection duplexer, combiner, antenna change-over switch and radio frequency testing seat, the RF transceiver pass sequentially through first low noise
Acoustic amplifier, the first filter or the duplexer, the main collection duplexer, the combiner, antenna switching
Switch and the radio frequency testing seated connection receive radiofrequency signal, wherein one or more of programs 321 are stored in above-mentioned memory
In 320, and it is configured to be executed by above-mentioned processor 310, one or more of programs 321 include for executing following steps
Instruction；
Dividing the intended recipient link is the first circuit and second circuit, and first circuit includes first low noise
Acoustic amplifier, the duplexer or the filter, the main collection duplexer, the second circuit include the main collection antenna
Switch, the combiner, the antenna change-over switch and the radio frequency testing seat；
Obtain the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；
Call the first emulation module according to the simulation parameter collection of first circuit and the simulation parameter of the second circuit
Collection, emulation obtain the reference match circuit of first circuit and the reference match circuit of the second circuit；
The mesh is determined according to the reference match circuit of the reference match circuit of first circuit and the second circuit
Mark the Insertion Loss of receives link；
It is received according to the Insertion Loss of the intended recipient link, the specifications parameter of first low-noise amplifier and the radio frequency
The specifications parameter for sending out the receiver port of device, determines the maximum sensitivity of the intended recipient link.
As can be seen that when the intended recipient link of test equipment debugging radio-frequency circuit, being divided first in the embodiment of the present application
Intended recipient link is the first circuit and second circuit, and the first circuit includes the first low-noise amplifier, duplexer or the filter
Wave device, main collection duplexer, second circuit include main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat；Its
It is secondary, obtain the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit；Again, call the first emulation module according to the
The simulation parameter collection of one circuit and the simulation parameter collection of second circuit, emulation obtain the reference match circuit and second of the first circuit
The reference match circuit of circuit；Again, the reference match circuit according to the reference match circuit of the first circuit and second circuit is true
The Insertion Loss for the receives link that sets the goal；Finally, according to the Insertion Loss of intended recipient link, the first low-noise amplifier specifications parameter and
The specifications parameter of the receiver port of RF transceiver determines the maximum sensitivity of intended recipient link.As it can be seen that the application is real
It applies example and determines the performance (maximum sensitivity) of radio frequency reception link, to judge whether the TIS of electronic equipment can satisfy in the air
Download technology OTA index.Whole process only needs PCB file parameters and making sheet parameter, can be calculated using link budget model
A certain frequency range maximum sensitivity can reach how many out, and calculated result is relatively accurate and efficiency.
In a possible example, in the first emulation module of the calling according to the simulation parameter collection of first circuit
It is emulated in terms of obtaining the reference match circuit of first circuit with the simulation parameter collection of the second circuit, in described program
Instruction is specifically used for executing following operation：It calls the first emulation module to create schematic diagram, the one or two is created on the schematic diagram
Second two-port network model of port network model and target frequency bands, the simulation parameter collection of the second circuit is imported described in
First two-port network model, emulation obtains the reference match circuit of the second circuit, by the reference of the second circuit
Simulation parameter collection with circuit, first circuit imports the second two-port network model, and emulation obtains first electricity
The reference match circuit on road.
In a possible example, in the simulation parameter collection for obtaining first circuit and the second circuit
In terms of simulation parameter collection, the instruction in described program is specifically used for executing following operation：It calls described in the emulation of the second emulation module
First circuit and the second circuit obtain the simulation parameter collection of first circuit and the simulation parameter of the second circuit
Collection.
In a possible example, described program further includes instructions for performing the following operations：Described in the division
After intended recipient link is the first circuit and second circuit, the simulation parameter collection for obtaining first circuit and described the
Before the simulation parameter collection of two circuits, the polarization end Port is added in the predeterminated position of first circuit and the second circuit
Mouthful；And the PCB lamination of first circuit and the second circuit is set according to the manufacturing parameter of printing board PCB
It sets.
In a possible example, described program further includes instructions for performing the following operations：Described in the division
Before intended recipient link is the first circuit and second circuit, the circuit map file of the object format of the radio circuit is obtained；
And the intended recipient link in the selection circuit map file.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment
Block.Those skilled in the art should be readily appreciated that, in conjunction with each exemplary unit of embodiment description presented herein
And algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Fig. 4 is the functional unit composition block diagram of radio circuit debugging apparatus 400 involved in the embodiment of the present application.This is penetrated
Frequency circuit debugging apparatus 400 is applied to test equipment, which includes processing unit 401 and communication unit
Member 402, wherein
The processing unit is the first circuit and second circuit, first electricity for dividing the intended recipient link
Road includes first low-noise amplifier, the duplexer or the filter, the main collection duplexer, second electricity
Road includes the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seat；And pass through institute
It states communication unit and obtains the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；And call first
For emulation module according to the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit, emulation obtains described the
The reference match circuit of one circuit and the reference match circuit of the second circuit；And the reference according to first circuit
Reference match circuit with circuit and the second circuit determines the Insertion Loss of the intended recipient link；And according to the target
The receiver port of the Insertion Loss of receives link, the specifications parameter of first low-noise amplifier and the RF transceiver
Specifications parameter determines the maximum sensitivity of the intended recipient link.
Wherein, the radio circuit debugging apparatus can also include storage unit 403, for storing the program of electronic equipment
Code and data.The processing unit 401 can be processor, and the communication unit 402 can be touching display screen or receipts
Device is sent out, storage unit 403 can be memory.
As can be seen that when the intended recipient link of test equipment debugging radio-frequency circuit, being divided first in the embodiment of the present application
Intended recipient link is the first circuit and second circuit, and the first circuit includes the first low-noise amplifier, duplexer or the filter
Wave device, main collection duplexer, second circuit include main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat；Its
It is secondary, obtain the simulation parameter collection of the first circuit and the simulation parameter collection of second circuit；Again, call the first emulation module according to the
The simulation parameter collection of one circuit and the simulation parameter collection of second circuit, emulation obtain the reference match circuit and second of the first circuit
The reference match circuit of circuit；Again, the reference match circuit according to the reference match circuit of the first circuit and second circuit is true
The Insertion Loss for the receives link that sets the goal；Finally, according to the Insertion Loss of intended recipient link, the first low-noise amplifier specifications parameter and
The specifications parameter of the receiver port of RF transceiver determines the maximum sensitivity of intended recipient link.As it can be seen that the application is real
It applies example and determines the performance (maximum sensitivity) of radio frequency reception link, to judge whether the TIS of electronic equipment can satisfy in the air
Download technology OTA index.Whole process only needs PCB file parameters and making sheet parameter, can be calculated using link budget model
A certain frequency range maximum sensitivity can reach how many out, and calculated result is relatively accurate and efficiency.
In a possible example, in the first emulation module of the calling according to the simulation parameter collection of first circuit
It is emulated in terms of obtaining the reference match circuit of first circuit with the simulation parameter collection of the second circuit, the processing unit
It is specifically used for：It calls the first emulation module to create schematic diagram, the first two-port network model and mesh is created on the schematic diagram
The simulation parameter collection of the second circuit is imported the first two-port network mould by the second two-port network model for marking frequency range
Type, emulation obtain the reference match circuit of the second circuit, by the reference match circuit of the second circuit, first electricity
The simulation parameter collection on road imports the second two-port network model, and emulation obtains the reference match circuit of first circuit.
In a possible example, in the simulation parameter collection for obtaining first circuit and the second circuit
In terms of simulation parameter collection, the processing unit is specifically used for：The second emulation module is called to emulate first circuit and described the
Two circuits obtain the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit.
In a possible example, it is the first circuit and that the processing unit 401, which divides the intended recipient link,
After two circuits, joined by the emulation that the communication unit obtains the simulation parameter collection and the second circuit of first circuit
Before manifold, it is also used to：The polarization port Port is added in the predeterminated position of first circuit and the second circuit；And it presses
The PCB lamination of first circuit and the second circuit is configured according to the manufacturing parameter of printing board PCB.
In a possible example, it is the first circuit and that the processing unit 401, which divides the intended recipient link,
Before two circuits, it is also used to：Obtain the circuit map file of the object format of the radio circuit；And choose the circuit picture and text
The intended recipient link in part.
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 electronic equipment.
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 electronic equipment.
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 be applied to test equipment, the test equipment is for determining radio frequency
The maximum sensitivity of the intended recipient link of circuit, the intended recipient link include RF transceiver, the first low noise amplification
Device, first filter or duplexer, main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat, the radio frequency are received
Hair device pass sequentially through first low-noise amplifier, the first filter or the duplexer, the main collection duplexer,
The combiner, the antenna change-over switch and the radio frequency testing seated connection receive radiofrequency signal, the method includes：
Dividing the intended recipient link is the first circuit and second circuit, and first circuit includes that first low noise is put
Big device, the duplexer or the filter, the main collection duplexer, the second circuit include that the main collection antenna is opened
Pass, the combiner, the antenna change-over switch and the radio frequency testing seat；
Obtain the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；
It calls the first emulation module according to the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit, imitates
Really obtain the reference match circuit of first circuit and the reference match circuit of the second circuit；
Determine that the target connects according to the reference match circuit of the reference match circuit of first circuit and the second circuit
Receive the Insertion Loss of link；
According to the Insertion Loss of the intended recipient link, the specifications parameter and the RF transceiver of first low-noise amplifier
Receiver port specifications parameter, determine the maximum sensitivity of the intended recipient link.
2. the method according to claim 1, wherein the first emulation module of the calling is according to first circuit
Simulation parameter collection and the simulation parameter collection of the second circuit emulate to obtain the reference match circuit of first circuit, wrap
It includes：
It calls the first emulation module to create schematic diagram, the first two-port network model and target frequency bands is created on the schematic diagram
The second two-port network model, the simulation parameter collection of the second circuit is imported into the first two-port network model, is imitated
The reference match circuit for really obtaining the second circuit, by the reference match circuit of the second circuit, first circuit
Simulation parameter collection imports the second two-port network model, and emulation obtains the reference match circuit of first circuit.
3. method according to claim 1 or 2, which is characterized in that the simulation parameter collection for obtaining first circuit
With the simulation parameter collection of the second circuit, including：
It calls the second emulation module to emulate first circuit and the second circuit, obtains the simulation parameter of first circuit
The simulation parameter collection of collection and the second circuit.
4. method according to claim 1-3, which is characterized in that described to divide the intended recipient link be the
After one circuit and second circuit, the simulation parameter of the simulation parameter collection for obtaining first circuit and the second circuit
Before collection, the method also includes：
The polarization port Port is added in the predeterminated position of first circuit and the second circuit；
The PCB lamination of first circuit and the second circuit is configured according to the manufacturing parameter of printing board PCB.
5. method according to claim 1-4, which is characterized in that described to divide the intended recipient link be the
Before one circuit and second circuit, the method also includes：
Obtain the circuit map file of the object format of the radio circuit；
Choose the intended recipient link in the circuit map file.
6. a kind of radio circuit debugging apparatus, which is characterized in that be applied to test equipment, the test equipment is for determining radio frequency
The maximum sensitivity of the intended recipient link of circuit, the intended recipient link include RF transceiver, the first low noise amplification
Device, first filter or duplexer, main collection duplexer, combiner, antenna change-over switch and radio frequency testing seat, the radio frequency are received
Hair device pass sequentially through first low-noise amplifier, the first filter or the duplexer, the main collection duplexer,
The combiner, the antenna change-over switch and the radio frequency testing seated connection receive radiofrequency signal, and described device includes processing unit
And communication unit, wherein
The processing unit is the first circuit and second circuit, the first circuit packet for dividing the intended recipient link
Include first low-noise amplifier, the duplexer or the filter, the main collection duplexer, the second circuit packet
Include the main collection duplexer, the combiner, the antenna change-over switch and the radio frequency testing seat；And by described logical
Letter unit obtains the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit；And call the first emulation
For module according to the simulation parameter collection of first circuit and the simulation parameter collection of the second circuit, emulation obtains first electricity
The reference match circuit on road and the reference match circuit of the second circuit；And electricity is matched according to the reference of first circuit
The reference match circuit of road and the second circuit determines the Insertion Loss of the intended recipient link；And according to the intended recipient
The specification of the receiver port of the Insertion Loss of link, the specifications parameter of first low-noise amplifier and the RF transceiver
Parameter determines the maximum sensitivity of the intended recipient link.
7. device according to claim 6, which is characterized in that in the first emulation module of the calling according to first electricity
The simulation parameter collection on road and the simulation parameter collection of the second circuit emulate to obtain the reference match circuit side of first circuit
Face, the processing unit are specifically used for：It calls the first emulation module to create schematic diagram, the one or two end is created on the schematic diagram
The simulation parameter collection of the second circuit is imported described the by the second two-port network model of mouthful network model and target frequency bands
One two-port network model, emulation obtain the reference match circuit of the second circuit, and the reference of the second circuit is matched
Simulation parameter collection importing the second two-port network model of circuit, first circuit, emulation obtain first circuit
Reference match circuit.
8. device according to claim 6 or 7, which is characterized in that in the simulation parameter for obtaining first circuit
In terms of the simulation parameter collection of collection and the second circuit, the processing unit is specifically used for：The second emulation module is called to emulate institute
The first circuit and the second circuit are stated, the simulation parameter collection of first circuit and the simulation parameter of the second circuit are obtained
Collection.
9. a kind of test equipment, which is characterized in that including processor, memory, communication interface, and one or more programs,
One or more of programs are stored in the memory, and are configured to be executed by the processor, described program packet
Include the instruction for executing the step in the method according to claim 1 to 5.
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 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790649.6A CN108923867B (en) | 2018-07-18 | 2018-07-18 | Radio frequency circuit debugging method and related device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790649.6A CN108923867B (en) | 2018-07-18 | 2018-07-18 | Radio frequency circuit debugging method and related device |
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| CN109490757A (en) * | 2018-12-04 | 2019-03-19 | 深圳市万普拉斯科技有限公司 | Wireless radio frequency circuit, electronic equipment and test macro |
| CN110808722A (en) * | 2019-10-08 | 2020-02-18 | 珠海众通乐行网络科技有限公司 | Circuit for improving LTE diversity sensitivity |
| CN110971262A (en) * | 2019-11-29 | 2020-04-07 | 惠州Tcl移动通信有限公司 | Radio frequency circuit, antenna device and mobile terminal |
| CN111371473A (en) * | 2020-03-10 | 2020-07-03 | 捷开通讯(深圳)有限公司 | Debugging method of radio frequency circuit |
| CN111756897A (en) * | 2020-06-22 | 2020-10-09 | 联想(北京)有限公司 | Electronic equipment |
| CN115801039A (en) * | 2021-03-31 | 2023-03-14 | 锐石创芯(深圳)科技股份有限公司 | Radio frequency front end module, antenna device and control method of radio frequency front end module |
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