CN104539377A - Calibrating device, system and method - Google Patents
Calibrating device, system and method Download PDFInfo
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- CN104539377A CN104539377A CN201410785389.5A CN201410785389A CN104539377A CN 104539377 A CN104539377 A CN 104539377A CN 201410785389 A CN201410785389 A CN 201410785389A CN 104539377 A CN104539377 A CN 104539377A
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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
Technical field
The present invention relates to test macro calibrator (-ter) unit technical field, particularly relate to a kind of calibrator (-ter) unit, calibration system and calibration steps.
Background technology
Along with the fast development of the communication technology, communication equipment production, manufacture scale and automatization level are also in constantly upgrading and improve, and more existing backward techniques and methods have in use seemed and can't bear the heavy load, the calibration of such as test macro and checking.
In the production test system of mobile communication radio frequency products, usually there is following methods to the calibration of test macro and checking:
1) manual calibration, the method is used in comparatively simple system calibration usually, as only having the system of a passage, single frequency point;
2) automanual calibration steps, namely by program control, the calibration steps of progressively pointing out operation, the method is usually used in the system calibration of multichannel, multifrequency point, and calibration result can be recorded in system automatically, than manual calibration is convenient and efficient completely;
3) the separate calibrations equipment of test macro instrument is directly controlled, the method can realize the system calibration of automation, but for comparatively complicated test macro, owing to there is the reasons such as instrument kind is many, control mode exists diversity, channel selecting is inconsistent, frequency is many, be difficult to realize, if test macro and calibrator (-ter) unit use identical instrument control mode and address, then also can produce instrument control hazard.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems:
Existing manually and semi-automatic calibration technology realize easily, but calibrate that reliability is low, error is large, efficiency is low, cannot be applied to daily calibration and the maintenance of Complicated Testing System; Existing Automatic Calibration Technique is better than manual calibration and automanual calibration steps in calibration reliability, but complicated operation, need to configure the bulk informations such as instrument, passage, frequency when calibrating, complicated operation, dissimilar test macro switches difficulty, poor universality, uses complexity, is difficult to promote and use; And there is instrument control hazard problem in prior art.
Summary of the invention
(1) technical problem that will solve
The invention provides a kind of calibrator (-ter) unit, calibration system and calibration steps, more precisely, reliably can realize the calibration of system to be calibrated, highly versatile, flexible and convenient to use.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of calibrator (-ter) unit, described calibrator (-ter) unit comprises main control end computer, signal source, frequency spectrograph and radio-frequency (RF) switch;
Described main control end computer is connected with the control interface of described signal source, frequency spectrograph and radio-frequency (RF) switch respectively, the signaling interface of described signal source is connected with the first radio frequency interface of described radio-frequency (RF) switch, the signaling interface of described frequency spectrograph is connected with the second radio frequency interface of described radio-frequency (RF) switch, described radio-frequency (RF) switch also comprises at least one input/output interface, described input/output interface is connected with system to be calibrated, wherein:
Main control end computer, for communicating with system to be calibrated, to call the system program of described system to be calibrated;
Signal source, for sending calibration testing signal, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated;
Frequency spectrograph, for receiving the calibration testing signal that described system to be calibrated sends, for carrying out the descending calibration of system to be calibrated at down direction;
Radio-frequency (RF) switch, for switching the gating quantity of described input/output interface.
Preferably, described main control end computer comprises communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for utilizing described system program to calibrate described system to be calibrated, generates calibration data.
Preferably, described calibration module comprises:
Acquiring unit, for the configuration information utilizing described system program to obtain described system to be calibrated;
Matching control unit, sends calibration control command for the configuration information according to described system to be calibrated to described signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of input/output interface and signal source or frequency spectrograph;
Performance element, calibrates for treating calibration system, and write-back calibration data.
Preferably, described calibration module also comprises:
Initialization unit, for carrying out system initialization to described system to be calibrated.
Preferably, described remote procedure call realizes the transfer of data of invoked procedure by ICP/IP protocol.
Preferably, described main control end computer is communicated to connect by wireless network or cable network and described system to be calibrated.
Accordingly, the invention allows for a kind of calibration system, described system comprises system to be calibrated and the calibrator (-ter) unit described in above-mentioned any one.
Accordingly, the invention allows for a kind of calibration steps, described method comprises:
Communicate with system to be calibrated, call the system program of system to be calibrated;
The system program of described system to be calibrated is utilized to obtain the configuration information of described system to be calibrated, configuration information according to described system to be calibrated sends calibration control command to signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of radio-frequency (RF) switch and signal source or frequency spectrograph;
Calibration testing signal is sent, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated according to described calibration control command signal source;
The calibration testing signal of described system transmission to be calibrated is received, for carrying out the descending calibration of system to be calibrated at down direction according to described calibration control command frequency spectrograph;
The gating quantity of its input/output interface is switched according to described calibration control command radio-frequency (RF) switch;
Utilize the system program of described system to be calibrated to treat calibration system to calibrate, and write-back calibration data.
Preferably, by the system program of system to be calibrated described in remote procedure call funcall.
Preferably, described method also comprises:
System initialization is carried out to described system to be calibrated.
Preferably, the transfer of data of RPC invoked procedure is realized by ICP/IP protocol.
(3) beneficial effect
By adopting calibrator (-ter) unit provided by the invention, calibration system and calibration steps, calibrator (-ter) unit and system to be calibrated use remote procedure call protocol RPC to realize interface communication, and the transmission that multi-channel radio frequency switch carries out calibration testing signal is set, after calibrator (-ter) unit primary development completes, the RPC methodological function that the system integration to be calibrated and realization are specified, the automatic calibration to this system can be realized, without the need to configuring separately for different systems to be calibrated, simplify calibration flow process, more simple, precisely, reliably realize the calibration of system to be calibrated, highly versatile, flexible and convenient to use.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of the calibrator (-ter) unit that the present invention proposes;
Fig. 2 is the calibration schematic flow sheet of the calibrator (-ter) unit that the present invention proposes;
Fig. 3 is the RPC invoked procedure schematic diagram proposed in the embodiment of the present invention;
Fig. 4 is the operating process schematic diagram of the calibrator (-ter) unit that the present invention proposes;
Fig. 5 is the structured flowchart of the calibration system that the present invention proposes;
Fig. 6 is the flow chart of the calibration steps that the present invention proposes.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of a kind of calibrator (-ter) unit of the present invention.
As shown in Figure 1, embodiments provide a kind of calibrator (-ter) unit, described calibrator (-ter) unit comprises main control end computer 101, signal source 102, frequency spectrograph 103 and radio-frequency (RF) switch 104; Described main control end computer 101 is connected with the control interface of described signal source 102, frequency spectrograph 103 and radio-frequency (RF) switch 104 respectively, the signaling interface of described signal source 102 is connected with the first radio frequency interface of described radio-frequency (RF) switch 104, the signaling interface of described frequency spectrograph 103 is connected with the second radio frequency interface of described radio-frequency (RF) switch 104, described radio-frequency (RF) switch 104 also comprises at least one input/output interface, described input/output interface is connected with system to be calibrated, wherein:
Main control end computer 101, for communicating with system to be calibrated, to call the system program of described system to be calibrated;
Signal source 102, for sending calibration testing signal, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated;
Frequency spectrograph 103, for receiving the calibration testing signal that described system to be calibrated sends, for carrying out the descending calibration of system to be calibrated at down direction;
Radio-frequency (RF) switch 104, for switching the gating quantity of described input/output interface.
The radio-frequency (RF) switch proposed in the embodiment of the present invention is preferably the radio-frequency (RF) switch of Multiinputoutput interface.
In the embodiment of the present invention, described main control end computer 101 comprises communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for utilizing described system program to calibrate described system to be calibrated, generates calibration data.Wherein, described calibration module comprises: acquiring unit, for the configuration information utilizing described system program to obtain described system to be calibrated; Matching control unit, sends calibration control command for the configuration information according to described system to be calibrated to described signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of input/output interface and signal source or frequency spectrograph; Performance element, calibrates for treating calibration system, and write-back calibration data.
In the embodiment of the present invention, acquiring unit obtains the configuration information of described system to be calibrated by remote procedure call function, matching control unit sends calibration control command according to the configuration information of described system to be calibrated to described signal source, frequency spectrograph and radio-frequency (RF) switch, carry out the match control of I/O channel and signal source or frequency spectrograph, performance element is treated calibration system by remote procedure call function and is calibrated, and write-back calibration data.Further, calibration module also comprises: initialization unit, for carrying out system initialization to described system to be calibrated.In the embodiment of the present invention, by remote procedure call function, system initialization is carried out to described system to be calibrated.
In the embodiment of the present invention, system to be calibrated is preferably the test macro of communication equipment.
The calibrator (-ter) unit proposed in the embodiment of the present invention, use the calibration of the test macro of remote procedure call functional realiey communication equipment, calibrator (-ter) unit is main control end, and the function of the integrated far call interface of test macro, becomes controlled terminal.Calibrator (-ter) unit controls the system program of the test macro of system to be calibrated and communication equipment by the mode of RPC, meanwhile, realized the control of own channels and instrument by the system program of system to be calibrated.
Further, main control end computer is communicated to connect by wireless network or cable network and described system to be calibrated.The embodiment of the present invention, signal wiring between the main control end computer of calibrator (-ter) unit and the computer of system to be calibrated can be cable network, also can be wireless network, the present embodiment preferably adopts wireless network to connect, and facilitates the movement of calibration equipment, is convenient to application.
On instrument controls, calibrator (-ter) unit does not directly control to be calibrated the instrument of system, but is realized by the mode that transfer is called, and control channel to be connected with logic at physics be also isolate, there is not control hazard problem.The mode of system to be calibrated is controlled, without the need to being concerned about the meter type that system to be calibrated uses, without the need to the channel number and frequency quantity etc. of concerned interface gating by calibrator (-ter) unit.Effectively raise the availability of calibrator (-ter) unit.Wherein, the calibration flow process of calibrator (-ter) unit as shown in Figure 2, specifically comprises:
Start calibration procedure;
Calibrator (-ter) unit initialization;
By remote procedure call, system initialization is carried out to described system to be calibrated,
The configuration information of described system to be calibrated is obtained by remote procedure call;
According to the configuration information of described system to be calibrated, comprise port number and frequency point information etc., carry out passage bridge;
Treat calibration system by remote procedure call to calibrate, and write-back calibration data.
In the present embodiment, system to be calibrated adopts the development scheme of hardware and software platform, namely different product tests realizes based on identical platform, the equipment control of system to be calibrated is realized by platform, in actual deployment, the configuration effort of platform is completed, calibrator (-ter) unit management and the control that will directly rely on the function of platform to carry out equipment simultaneously according to actual hardware type, control mode.Platform will expand the RPC interface function realized in the present invention, and systems to be calibrated different like this can share this part function, without the need to independent exploitation.
The RPC invoked procedure proposed in the embodiment of the present invention, as shown in Figure 3, for completing program A (calibration procedure) calling program B (system program of system to be calibrated) power function.Cardinal principle is, program A sends the information of function execution to program B, and information comprises function name or sequence number, parameter information etc., program B resolution data bag, performs function corresponding in packet, return relevant execution result information after complete, namely complete a RPC invoked procedure.Said procedure A and program B can be the program of various ways, can be background service program, also can be band interface application program; Program A and program B also can run on different systems, and different programming language can be used to realize, at physics with do not limit in logic.
Further, the RPC in the embodiment of the present invention calls the transfer of data being realized RPC invoked procedure by ICP/IP protocol.Transfer of data uses TCP/IP to realize in embodiments of the present invention, and TCP/IP is widely used, use and be connected flexible, is convenient to enforcement and the application of present case.In specific implementation, RPC calling function can stand-alone development, makes to call and only need be concerned about inherent logic functional realiey with called program.
Below for the radio frequency subsystem RRU test in the test of mobile base station, using the test macro of radio frequency subsystem RRU as system to be calibrated, specifically introduce the operating process of the calibrator (-ter) unit that the present invention proposes, as shown in Figure 4, because maximum 8 antennas of RRU add a calibration mouth---namely calibrator (-ter) unit designs 9 access ports.In use, if 8 antennas, be just connected to 8 of the test macro of correspondence in calibrator (-ter) unit corresponding interface successively with antenna, 1 antenna just connects 1 with cable, and 2 antennas just connect 2 with cable, according to the antenna amount of product, connect successively.After having connected, start calibration procedure and the corresponding test program of test macro, after startup test program, RPC service function can be realized; Click calibrator (-ter) unit program START button, after the dialog box ejecting input IP, input the IP address of System control computer to be calibrated, after confirmation, automatically can complete the calibration operation of all antennas.
The calibrator (-ter) unit that the embodiment of the present invention proposes, use RPC function, realize the control of the test macro of calibrator (-ter) unit radio frequency subsystem RRU, thus avoid directly controlling the inconvenience that test macro device hardware brings, these inconvenience mainly contain: instrument kind is many, control mode exists diversity, instrument control hazard, channel selecting are inconsistent, frequency is many.
Fig. 5 is the structured flowchart of a kind of calibration system that the present invention proposes.
As shown in Figure 5, the embodiment of the present invention proposes a kind of calibration system, and described system comprises system 200 to be calibrated and the calibrator (-ter) unit described in embodiment one 100.Wherein, calibrator (-ter) unit introduces technical scheme with the structure shown in Fig. 1.Described calibrator (-ter) unit comprises main control end computer 101, signal source 102, frequency spectrograph 103 and radio-frequency (RF) switch 104, described main control end computer 101 respectively with described signal source 102, frequency spectrograph 103 is connected with the control interface of radio-frequency (RF) switch 104, the signaling interface of described signal source 102 is connected with the first radio frequency interface of described radio-frequency (RF) switch 104, the signaling interface of described frequency spectrograph 103 is connected with the second radio frequency interface of described radio-frequency (RF) switch 104, described radio-frequency (RF) switch 104 also comprises at least one input/output interface, described input/output interface is connected with system to be calibrated, wherein: main control end computer 101, for communicating with system to be calibrated, to call the system program of described system to be calibrated, signal source 102, for sending calibration testing signal, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated, frequency spectrograph 103, for receiving the calibration testing signal that described system to be calibrated sends, for carrying out the descending calibration of system to be calibrated at down direction, radio-frequency (RF) switch 104, for switching the gating quantity of described input/output interface.
Fig. 6 is the flow chart of a kind of calibration steps that the present invention proposes.
As shown in Figure 6, the embodiment of the present invention proposes a kind of calibration steps, and described method comprises:
S301, to communicate with system to be calibrated, call the system program of system to be calibrated;
S302, the system program of described system to be calibrated is utilized to obtain the configuration information of described system to be calibrated, configuration information according to described system to be calibrated sends calibration control command to signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of radio-frequency (RF) switch and signal source or frequency spectrograph;
S303, send calibration testing signal, for carrying out the up calibration of system to be calibrated at up direction according to described calibration control command signal source to described system to be calibrated;
S304, the calibration testing signal sent according to the described system to be calibrated of described calibration control command frequency spectrograph reception, for carrying out the descending calibration of system to be calibrated at down direction;
S305, switch the gating quantity of its input/output interface according to described calibration control command radio-frequency (RF) switch;
S306, utilize the system program of described system to be calibrated to treat calibration system to calibrate, and write-back calibration data.
The embodiment of the present invention exists, main control end computer is connected with the control interface of signal source, frequency spectrograph and radio-frequency (RF) switch respectively, the signaling interface of signal source is connected with the first radio frequency interface of radio-frequency (RF) switch, the signaling interface of frequency spectrograph is connected with the second radio frequency interface of radio-frequency (RF) switch, radio-frequency (RF) switch also comprises at least one input/output interface, and input/output interface is connected with system to be calibrated.
In the embodiment of the present invention, by the system program of system to be calibrated described in remote procedure call funcall in step S301.Wherein, the transfer of data of RPC invoked procedure is realized especially by ICP/IP protocol.
Further, described calibration steps also comprises: carry out system initialization to described system to be calibrated.
The calibrator (-ter) unit that the embodiment of the present invention provides, calibration system and calibration steps, RPC functional realiey calibrator (-ter) unit is used to treat the control of calibration system, the control interface of RPC is provided, the function of this interface is realized by the system program of system to be calibrated, the calibration procedure of calibrator (-ter) unit directly uses configuration information and the controlling functions of system to be calibrated, simplifies calibration procedure; Calibration procedure directly uses the calibration operation of the passage of system to be calibrated, frequency and each passage of passage bridge functional realiey, calibration procedure is used 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 well understood to the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (11)
1. a calibrator (-ter) unit, it is characterized in that, described calibrator (-ter) unit comprises main control end computer, signal source, frequency spectrograph and radio-frequency (RF) switch, described main control end computer is connected with the control interface of described signal source, frequency spectrograph and radio-frequency (RF) switch respectively, the signaling interface of described signal source is connected with the first radio frequency interface of described radio-frequency (RF) switch, the signaling interface of described frequency spectrograph is connected with the second radio frequency interface of described radio-frequency (RF) switch, described radio-frequency (RF) switch also comprises at least one input/output interface, described input/output interface is connected with system to be calibrated, wherein:
Main control end computer, for communicating with system to be calibrated, to call the system program of described system to be calibrated;
Signal source, for sending calibration testing signal, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated;
Frequency spectrograph, for receiving the calibration testing signal that described system to be calibrated sends, for carrying out the descending calibration of system to be calibrated at down direction;
Radio-frequency (RF) switch, for switching the gating quantity of described input/output interface.
2. calibrator (-ter) unit according to claim 1, is characterized in that, described main control end computer comprises communication module and calibration module, wherein:
Communication module, for the system program by remote procedure call funcall system to be calibrated;
Calibration module, for utilizing described system program to calibrate described system to be calibrated, generates calibration data.
3. calibrator (-ter) unit according to claim 2, is characterized in that, described calibration module comprises:
Acquiring unit, for the configuration information utilizing described system program to obtain described system to be calibrated;
Matching control unit, sends calibration control command for the configuration information according to described system to be calibrated to described signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of input/output interface and signal source or frequency spectrograph;
Performance element, calibrates for treating calibration system, and write-back calibration data.
4. calibrator (-ter) unit according to claim 3, is characterized in that, described calibration module also comprises:
Initialization unit, for carrying out system initialization to described system to be calibrated.
5. calibrator (-ter) unit according to claim 2, is characterized in that, described remote procedure call realizes the transfer of data of invoked procedure by ICP/IP protocol.
6. calibrator (-ter) unit according to claim 1, is characterized in that, described main control end computer is communicated to connect by wireless network or cable network and described system to be calibrated.
7. a calibration system, is characterized in that, described system comprises system to be calibrated and the calibrator (-ter) unit as described in any one of claim 1-6.
8. a calibration steps, is characterized in that, described method comprises:
Communicate with system to be calibrated, call the system program of system to be calibrated;
The system program of described system to be calibrated is utilized to obtain the configuration information of described system to be calibrated, configuration information according to described system to be calibrated sends calibration control command to signal source, frequency spectrograph and radio-frequency (RF) switch, and carries out the match control of radio-frequency (RF) switch and signal source or frequency spectrograph;
Calibration testing signal is sent, for carrying out the up calibration of system to be calibrated at up direction to described system to be calibrated according to described calibration control command signal source;
The calibration testing signal of described system transmission to be calibrated is received, for carrying out the descending calibration of system to be calibrated at down direction according to described calibration control command frequency spectrograph;
The gating quantity of its input/output interface is switched according to described calibration control command radio-frequency (RF) switch;
Utilize the system program of described system to be calibrated to treat calibration system to calibrate, and write-back calibration data.
9. method according to claim 8, is characterized in that, by the system program of system to be calibrated described in remote procedure call funcall.
10. method according to claim 9, is characterized in that, described method also comprises:
System initialization is carried out to described system to be calibrated.
11. methods according to claim 9, is characterized in that, are realized the transfer of data of RPC invoked procedure by ICP/IP protocol.
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