CN104539377B - Calibrating device, system and method - Google Patents

Calibrating device, system and method Download PDF

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Publication number
CN104539377B
CN104539377B CN201410785389.5A CN201410785389A CN104539377B CN 104539377 B CN104539377 B CN 104539377B CN 201410785389 A CN201410785389 A CN 201410785389A CN 104539377 B CN104539377 B CN 104539377B
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calibrated
calibration
unit
switch
program
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CN104539377A (en
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金方晓
王莉
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Shanghai Ultimate Power Communications Technology Co Ltd
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Shanghai Ultimate Power Communications Technology Co Ltd
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Abstract

The invention provides a calibrating device, system and method. The device comprises a main control side computer, a signal source, a spectrometer and a radio frequency switch, wherein the main control side computer is used for being in communication with a system to be calibrated so as to call system programs of the system to be calibrated, the signal source is used for sending calibration test signals to the system to be calibrated and conducting uplink calibration of the system to be calibrated in the uplink direction, the spectrometer is used for receiving calibration test signals sent by the system to be calibrated and conducting downlink calibration of the system to be calibrated in the downlink direction, and the radio frequency switch is used for switching the numbers of gates of an input interface and an output interface. By means of the calibrating device, system and method, the test system calibrating procedure is simplified, the test system can be more easily, accurately and reliably calibrated, universality is high, and use is flexible and convenient.

Description

Calibrator (-ter) unit, calibration system and calibration method
Technical field
The present invention relates to test system calibrator (-ter) unit technical field, more particularly to a kind of calibrator (-ter) unit, calibration system and school Quasi- method.
Background technology
With the fast development of the communication technology, communication equipment production, manufacture scale and automatization level are also constantly rising Level and improve, existing some backwardness technologies and method have seemed can't bear the heavy load in use, the calibration of such as test system and Checking.
In the production test system of mobile communication radio frequency products, calibration and checking to test system generally have with lower section Method:
1) manual calibration, the method is typically used in relatively simple system calibration, such as only one of which passage, single frequency point System;
2) automanual calibration method, i.e., point out the calibration method of operation by programme-control, progressively, and the method is usually used in The system calibration of multichannel, multifrequency point, and calibration result can be automatically logged into system, than complete manual calibration side Just and efficiently;
3) directly controlling the separate calibrations equipment of test system instrument, the method can realize the system calibration of automation, But for complex test system, due to existing, instrument species is more, control mode has diversity, channel selecting and differs Cause, the reason such as frequency is more, it is difficult to realize, and if test system and calibrator (-ter) unit use identical instrument control mode and ground Location, then can also produce instrument control hazard.
In process of the present invention is realized, inventor has found that at least there are the following problems in the prior art:
It is existing to be realized easily with semi-automatic calibration technology manually, but calibration reliability is low, error is big, efficiency is low, it is impossible to should For the daily calibration and maintenance of Complicated Testing System;Existing Automatic Calibration Technique in calibration reliability better than manual calibration and Automanual calibration method, but complex operation is, it is necessary to configure the bulk informations such as instrument, passage, frequency in calibration, operation is multiple Miscellaneous, different types of test system switching is difficult, poor universality, using complexity, it is difficult to promote and use;And, prior art There are problems that instrument control hazard.
The content of the invention
(1) technical problem to be solved
The invention provides a kind of calibrator (-ter) unit, calibration system and calibration method, can it is more accurate, be reliably achieved and treat The calibration of calibration system, it is highly versatile, flexible and convenient to use.
(2) technical scheme
In order to solve the above technical problems, the present invention provides a kind of calibrator (-ter) unit, the calibrator (-ter) unit is calculated including main control end Machine, signal source, frequency spectrograph and RF switch;
Control interface of the main control end computer respectively with the signal source, frequency spectrograph and RF switch is connected, described The signaling interface of signal source is connected with the first radio frequency interface of the RF switch, and the signaling interface of the frequency spectrograph is penetrated with described The second radio frequency interface connection of frequency switch, the RF switch also includes at least one input/output interface, the input and output Interface is connected with system to be calibrated, wherein:
Main control end computer, for being communicated with system to be calibrated, to call the system program of the system to be calibrated;
Signal source, it is to be calibrated for being carried out in up direction for sending calibration test signal to the system to be calibrated The up calibration of system;
Frequency spectrograph, for receiving the calibration test signal that the system to be calibrated sends, for being treated in down direction The descending calibration of calibration system;
RF switch, the gating quantity for switching the input/output interface.
Preferably, the main control end computer includes communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for being calibrated to the system to be calibrated using the system program, generates calibration data.
Preferably, the calibration module includes:
Acquiring unit, the configuration information for obtaining the system to be calibrated using the system program;
Matching control unit, for according to the system to be calibrated configuration information is to the signal source, frequency spectrograph and penetrates Frequency switch sends calibration control command, and carries out input/output interface with signal source or the match control of frequency spectrograph;
Execution unit, is calibrated for treating calibration system, and write-back calibration data.
Preferably, the calibration module also includes:
Initialization unit, for carrying out system initialization to the system to be calibrated.
Preferably, the remote procedure call realizes the data transfer of invoked procedure by ICP/IP protocol.
Preferably, the main control end computer is communicated by wireless network or cable network with the system to be calibrated Connection.
Accordingly, the invention allows for a kind of calibration system, the system includes system to be calibrated and any of the above-described Described calibrator (-ter) unit.
Accordingly, the invention allows for a kind of calibration method, methods described includes:
Communicated with system to be calibrated, called the system program of system to be calibrated;
The configuration information of the system to be calibrated is obtained using the system program of the system to be calibrated, school is treated according to described The configuration information of Barebone sends calibration control command to signal source, frequency spectrograph and RF switch, and carries out RF switch with letter Number source or the match control of frequency spectrograph;
Calibration test signal is sent to the system to be calibrated according to the calibration control command signal source, for up Direction carries out the up calibration of system to be calibrated;
The calibration test signal that the system to be calibrated sends is received according to the calibration control command frequency spectrograph, for Down direction carries out the descending calibration of system to be calibrated;
Switch the gating quantity of its input/output interface according to the calibration control command RF switch;
Calibration system is treated using the system program of the system to be calibrated to be calibrated, and write-back calibration data.
Preferably, by the system program of system to be calibrated described in remote procedure call funcall.
Preferably, methods described also includes:
System initialization is carried out to the system to be calibrated.
Preferably, the data transfer of RPC invoked procedures is realized by ICP/IP protocol.
(3) beneficial effect
By the calibrator (-ter) unit, calibration system and calibration method, calibrator (-ter) unit and the system to be calibrated that are provided using the present invention Interface communication is realized using remote procedure call protocol RPC, and sets multi-channel radio frequency switch carrying out the biography of calibration test signal It is defeated, after the completion of calibrator (-ter) unit primary development, the RPC methodological functions that the system integration to be calibrated and realization are specified, you can realize to this The automatic calibration of system, without being separately configured for different systems to be calibrated, simplify calibration flow, more simply, precisely, It is reliably achieved the calibration of system to be calibrated, it is highly versatile, flexible and convenient to use.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematical without that should manage Solution is to carry out any limitation to the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of calibrator (-ter) unit proposed by the present invention;
Fig. 2 is the calibration schematic flow sheet of calibrator (-ter) unit proposed by the present invention;
Fig. 3 is the RPC invoked procedure schematic diagrames of proposition in the embodiment of the present invention;
Fig. 4 is the operating process schematic diagram of calibrator (-ter) unit proposed by the present invention;
Fig. 5 is the structured flowchart of calibration system proposed by the present invention;
Fig. 6 is the flow chart of calibration method proposed by the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is a kind of structural representation of calibrator (-ter) unit of the invention.
As shown in figure 1, the embodiment of the invention provides a kind of calibrator (-ter) unit, the calibrator (-ter) unit includes main control end computer 101st, signal source 102, frequency spectrograph 103 and RF switch 104;The main control end computer 101 respectively with the signal source 102, The control interface connection of frequency spectrograph 103 and RF switch 104, the signaling interface of the signal source 102 and the RF switch 104 The connection of the first radio frequency interface, the second radio frequency interface of the signaling interface of the frequency spectrograph 103 and the RF switch 104 connects Connect, the RF switch 104 also includes at least one input/output interface, the input/output interface connects with system to be calibrated Connect, wherein:
Main control end computer 101, for being communicated with system to be calibrated, to call the system journey of the system to be calibrated Sequence;
Signal source 102, for sending calibration test signal to the system to be calibrated, for carrying out treating school in up direction The up calibration of Barebone;
Frequency spectrograph 103, for receiving the calibration test signal that the system to be calibrated sends, for being carried out in down direction The descending calibration of system to be calibrated;
RF switch 104, the gating quantity for switching the input/output interface.
The RF switch proposed in the embodiment of the present invention is preferably the RF switch of Multiinputoutput interface.
In the embodiment of the present invention, the main control end computer 101 includes communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for being calibrated to the system to be calibrated using the system program, generates calibration data.Its In, the calibration module includes:Acquiring unit, for the utilization system program acquisition system to be calibrated with confidence Breath;Matching control unit, for according to the configuration information of the system to be calibrated to the signal source, frequency spectrograph and RF switch Calibration control command is sent, and carries out input/output interface with signal source or the match control of frequency spectrograph;Execution unit, for right System to be calibrated is calibrated, and write-back calibration data.
In the embodiment of the present invention, acquiring unit obtains matching somebody with somebody for the system to be calibrated by remote procedure call function Confidence ceases, and matching control unit is according to the configuration information of the system to be calibrated to the signal source, frequency spectrograph and RF switch Calibration control command is sent, I/O channel and signal source or the match control of frequency spectrograph is carried out, execution unit is by long-range Invocation of procedure RPC functions are treated calibration system and are calibrated, and write-back calibration data.Further, calibration module also includes:Just Beginningization unit, for carrying out system initialization to the system to be calibrated.In the embodiment of the present invention, by remote procedure call RPC functions carry out system initialization to the system to be calibrated.
System to be calibrated is preferably the test system of communication equipment in the embodiment of the present invention.
The calibrator (-ter) unit proposed in the embodiment of the present invention, uses the survey of remote procedure call functional realiey communication equipment The calibration of test system, calibrator (-ter) unit is main control end, the function of the integrated far call interface of test system, as controlled terminal.Calibration Equipment controls the system program of the system to be calibrated i.e. test system of communication equipment by way of RPC, meanwhile, by be calibrated The system program of system realizes the control of own channels and instrument.
Further, main control end computer carries out communication link by wireless network or cable network with the system to be calibrated Connect.The embodiment of the present invention, the hardware connection between the main control end computer of calibrator (-ter) unit and the computer of system to be calibrated can be with It is cable network, can also be wireless network, the present embodiment is preferably attached using wireless network, facilitates the shifting of calibration equipment It is dynamic, it is easy to application.
In instrument control, directly control is not calibrated the instrument of system to calibrator (-ter) unit, but the side called by transfer Formula is realized, and control passage is also isolation on physics and logic connection, in the absence of control hazard problem.Set by calibration The mode of standby control system to be calibrated, without being concerned about the meter type that system to be calibrated is used, without the logical of concerned interface gating Road number and frequency quantity etc..Effectively raise the availability of calibrator (-ter) unit.Wherein, calibration flow such as Fig. 2 of calibrator (-ter) unit It is shown, specifically include:
Start calibration procedure;
Calibrator (-ter) unit is initialized;
System initialization is carried out to the system to be calibrated by remote procedure call,
The configuration information of the system to be calibrated is obtained by remote procedure call;
According to the configuration information of the system to be calibrated, including port number and frequency point information etc., enter row of channels switching;
Calibration system is treated by remote procedure call to be calibrated, and write-back calibration data.
In the present embodiment, system to be calibrated uses the development scheme of hardware and software platform, i.e., different product tests are based on identical Platform realization, the equipment control of system to be calibrated is realized by platform, in actual deployment, according to actual hardware type, controlling party Formula completes the configuration work of platform, while calibrator (-ter) unit will directly carry out the management and control of equipment by the function of platform.It is flat Platform will extend the RPC interface functions realized in the present invention, and so different systems to be calibrated can share this partial function, nothing Need to individually develop.
The RPC invoked procedures proposed in the embodiment of the present invention, as shown in figure 3, for completing program A (calibration procedure) to journey Sequence B (system program of system to be calibrated) power functions are called.Cardinal principle is that program A sends what function was performed to program B Information, information includes function name or sequence number, parameter information etc., and program B parsing packets perform corresponding letter in packet Number, returns to the execution result information of correlation after the completion of execution, that is, complete a RPC invoked procedure.Said procedure A and program B can To be the program of diversified forms, can be background service program, can also be the application program with interface;Program A and program B Different systems can be run on, it is possible to use different programming languages is realized, do not limited physically and logically.
Further, the RPC in the embodiment of the present invention is called and is realized that the data of RPC invoked procedures are passed by ICP/IP protocol It is defeated.Data transfer realizes that TCP/IP is widely used, uses and connects flexibly, is easy to using TCP/IP in embodiments of the present invention The implementation and application of present case.On implementing, RPC calling functions can stand-alone development so that call and called program only Inherent logic functional realiey need to be concerned about.
Below by taking the radio frequency subsystem RRU test during mobile base station is tested as an example, with the test system of radio frequency subsystem RRU As system to be calibrated, the operating process of calibrator (-ter) unit proposed by the present invention is specifically introduced, as shown in figure 4, due to RRU most 8 Antenna adds a calibration mouthful --- and i.e. calibrator (-ter) unit designs 9 access ports.In use, if 8 antennas, just correspondence Test system 8 be consecutively connected in calibrator (-ter) unit corresponding interface with antenna, 1 antenna just connects 1 with cable, 2 antennas even 2 are connect with cable, according to the antenna amount of product, is sequentially connected.After the completion of connection, start calibration procedure and test system pair Test program is answered, after test program is started, you can realize RPC service function;Calibrator (-ter) unit program START button is clicked on, After the dialog box of ejection input IP, the IP address of System control computer to be calibrated is input into, can be automatically performed after confirmation all The calibration operation of antenna.
The calibrator (-ter) unit that the embodiment of the present invention is proposed, using RPC functions, realizes calibrator (-ter) unit to radio frequency subsystem RRU The control of test system, so as to the inconvenience for avoiding directly controlling test system device hardware to bring, these inconvenience mainly have:Instrument Species is more, control mode has diversity, instrument control hazard, channel selecting is inconsistent, frequency is more etc..
Fig. 5 is a kind of structured flowchart of calibration system proposed by the present invention.
As shown in figure 5, the embodiment of the present invention proposes a kind of calibration system, the system includes the He of system to be calibrated 200 Calibrator (-ter) unit 100 described in embodiment one.Wherein, calibrator (-ter) unit introduces technical scheme with the structure shown in Fig. 1.The calibration Equipment includes main control end computer 101, signal source 102, frequency spectrograph 103 and RF switch 104;The main control end computer 101 The control interface with the signal source 102, frequency spectrograph 103 and RF switch 104 is connected respectively, the signal of the signal source 102 Interface is connected with the first radio frequency interface of the RF switch 104, the signaling interface of the frequency spectrograph 103 and the RF switch 104 the second radio frequency interface connection, the RF switch 104 also includes at least one input/output interface, the input and output Interface is connected with system to be calibrated, wherein:Main control end computer 101, it is described to call for being communicated with system to be calibrated The system program of system to be calibrated;Signal source 102, for sending calibration test signal to the system to be calibrated, for Line direction carries out the up calibration of system to be calibrated;Frequency spectrograph 103, for receiving the calibration test that the system to be calibrated sends Signal, the descending calibration for carrying out system to be calibrated in down direction;RF switch 104, for switching the input and output The gating quantity of interface.
Fig. 6 is a kind of flow chart of calibration method proposed by the present invention.
As shown in fig. 6, the embodiment of the present invention proposes a kind of calibration method, methods described includes:
S301 is communicated with system to be calibrated, calls the system program of system to be calibrated;
S302, the configuration information that the system to be calibrated is obtained using the system program of the system to be calibrated, according to institute The configuration information of system to be calibrated is stated to signal source, frequency spectrograph and RF switch transmission calibration control command, and carries out radio frequency and opened Close the match control with signal source or frequency spectrograph;
S303, calibration test signal is sent to the system to be calibrated according to the calibration control command signal source, be used for The up calibration of system to be calibrated is carried out in up direction;
S304, the calibration test signal that the system transmission to be calibrated is received according to the calibration control command frequency spectrograph, Descending calibration for carrying out system to be calibrated in down direction;
S305, the gating quantity for switching its input/output interface according to the calibration control command RF switch;
S306, treat calibration system using the system program of the system to be calibrated and calibrated, and write-back calibration data.
The embodiment of the present invention exists, and main control end computer connects with the control interface of signal source, frequency spectrograph and RF switch respectively Connect, the signaling interface of signal source is connected with the first radio frequency interface of RF switch, signaling interface and the RF switch of frequency spectrograph Second radio frequency interface is connected, and RF switch also includes at least one input/output interface, input/output interface and system to be calibrated Connection.
In the embodiment of the present invention, system to be calibrated described in remote procedure call funcall is passed through in step S301 System program.Wherein, the data transfer of RPC invoked procedures is realized especially by ICP/IP protocol.
Further, the calibration method also includes:System initialization is carried out to the system to be calibrated.
Calibrator (-ter) unit provided in an embodiment of the present invention, calibration system and calibration method, use RPC functional realiey calibrator (-ter) units Treat the control of calibration system, there is provided the control interface of RPC, the work(of the interface is realized by the system program of system to be calibrated Can, the calibration procedure of calibrator (-ter) unit simplifies calibration procedure directly using the configuration information and control function of system to be calibrated;School Quasi-ordering directly realizes the calibration operation of each passage using the passage of system to be calibrated, frequency and passage handoff functionality so that Calibration procedure uses more convenient and efficient;Avoid the instrument control hazard problem between calibrator (-ter) unit and system to be calibrated.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can lead to Cross hardware realization, it is also possible to realize by the mode of software plus necessary general hardware platform.Based on such understanding, this hair Bright technical scheme can be embodied in the form of software product, and the software product can be stored in a non-volatile memories Medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in, including some instructions are used to so that a computer equipment (can be Personal computer, server, or network equipment etc.) perform method described in each embodiment of the invention.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for preferred embodiment, module or stream in accompanying drawing Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can be divided according to embodiment description It is distributed in the device of embodiment, it is also possible to carry out respective change and be disposed other than in one or more devices of the present embodiment.On Stating the module of embodiment can merge into a module, it is also possible to be further split into multiple submodule.
Disclosed above is only several specific embodiments of the invention, but, the present invention is not limited to this, any ability What the technical staff in domain can think change should all fall into protection scope of the present invention.

Claims (8)

1. a kind of calibrator (-ter) unit, it is characterised in that the calibrator (-ter) unit includes main control end computer, signal source, frequency spectrograph and penetrates Frequency is switched, and control interface of the main control end computer respectively with the signal source, frequency spectrograph and RF switch is connected, the letter Number signaling interface in source is connected with the first radio frequency interface of the RF switch, the signaling interface of the frequency spectrograph and the radio frequency The second radio frequency interface connection of switch, the RF switch also includes at least one input/output interface, and the input and output connect Mouth is connected with system to be calibrated, wherein:
Main control end computer, for being communicated with system to be calibrated, to call the system program of the system to be calibrated;
Signal source, for sending calibration test signal to the system to be calibrated, for carrying out system to be calibrated in up direction Up calibration;
Frequency spectrograph, it is to be calibrated for being carried out in down direction for receiving the calibration test signal that the system to be calibrated sends The descending calibration of system;
RF switch, the gating quantity for switching the input/output interface;
The main control end computer includes communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for being calibrated to the system to be calibrated using the system program, generates calibration data;
The calibration module includes:
Acquiring unit, the configuration information for obtaining the system to be calibrated using the system program;
Matching control unit, for being opened to the signal source, frequency spectrograph and radio frequency according to the configuration information of the system to be calibrated Close and send calibration control command, and carry out input/output interface with signal source or the match control of frequency spectrograph;
Execution unit, is calibrated for treating calibration system, and write-back calibration data.
2. calibrator (-ter) unit according to claim 1, it is characterised in that the calibration module also includes:
Initialization unit, for carrying out system initialization to the system to be calibrated.
3. calibrator (-ter) unit according to claim 1, it is characterised in that the remote procedure call is assisted by TCP/IP View realizes the data transfer of invoked procedure.
4. calibrator (-ter) unit according to claim 1, it is characterised in that the main control end computer is by wireless network or has Gauze network is communicatively coupled with the system to be calibrated.
5. a kind of calibration system, it is characterised in that the system includes system to be calibrated and as described in claim any one of 1-4 Calibrator (-ter) unit.
6. a kind of calibration method, it is characterised in that methods described includes:
Communicated with system to be calibrated, by the system program of remote procedure call funcall system to be calibrated;
The configuration information of the system to be calibrated is obtained using the system program of the system to be calibrated, according to the system to be calibrated The configuration information of system sends calibration control command to signal source, frequency spectrograph and RF switch, and carries out RF switch and signal source Or the match control of frequency spectrograph;
Calibration test signal is sent to the system to be calibrated according to the calibration control command signal source, in up direction Carry out the up calibration of system to be calibrated;
The calibration test signal that the system to be calibrated sends is received according to the calibration control command frequency spectrograph, for descending Direction carries out the descending calibration of system to be calibrated;
Switch the gating quantity of its input/output interface according to the calibration control command RF switch;
Calibration system is treated using the system program of the system to be calibrated to be calibrated, and write-back calibration data.
7. method according to claim 6, it is characterised in that methods described also includes:
System initialization is carried out to the system to be calibrated.
8. method according to claim 6, it is characterised in that the data of RPC invoked procedures are realized by ICP/IP protocol Transmission.
CN201410785389.5A 2014-12-16 2014-12-16 Calibrating device, system and method Active CN104539377B (en)

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CN106788797A (en) * 2017-02-21 2017-05-31 成都易慧通科技有限公司 A kind of high-precision radio frequency signal source power quick calibration method
CN107707314A (en) * 2017-08-21 2018-02-16 上海源岷投资管理有限公司 The production test device and method of the wireless base station of rural biogas data acquisition
CN107562624A (en) * 2017-08-30 2018-01-09 太仓市同维电子有限公司 A kind of method and system of calibrating wireless end product
CN107843867A (en) * 2017-09-19 2018-03-27 珠海格力电器股份有限公司 Obtain the method and device of check and correction parameter

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