CN104467986A - Radio frequency equipment calibration method - Google Patents
Radio frequency equipment calibration method Download PDFInfo
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- CN104467986A CN104467986A CN201310432956.4A CN201310432956A CN104467986A CN 104467986 A CN104467986 A CN 104467986A CN 201310432956 A CN201310432956 A CN 201310432956A CN 104467986 A CN104467986 A CN 104467986A
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Abstract
The invention discloses a radio frequency equipment calibration method. The calibration method is applied to a calibration device, radio frequency equipment, a frequency spectrograph and a signal source; the calibration device is connected with the radio frequency equipment, the frequency spectrograph and the signal source through a cable, the radio frequency equipment is respectively connected with the frequency spectrograph and the signal source. The automatic calibration of each of frequency, power and power gain of the radio frequency equipment is realized through a calibration instruction preset by the calibration device and a feedback instruction preset by the radio frequency equipment, and the calibration efficiency and precision are improved.
Description
Technical field
The present invention relates to a kind of electronic equipment debugging technique, particularly relate to a kind of radio-frequency apparatus calibration steps.
Background technology
Radio-frequency apparatus is for receiving or the electronic equipment of emitting radio frequency signal, and as at moving communicating field, different according to the coverage of signal, base station is divided into the radio-frequency apparatus such as macro base station, microcell base station, Femtocell Home eNodeB.The quorum sensing inhibitor radius of macro base station can reach 5 kms, can meet wide outdoor communication; The quorum sensing inhibitor of Femtocell Home eNodeB is about 50 meters, and mainly towards indoor communications, the signal solving macro base station is comparatively large through building loss, cannot meet the problem of proper communication.Femtocell Home eNodeB is by Broadband Network Access mobile communication carrier networks such as existing digital subscriber line, cable of cable TV or optical fiber.
Radio-frequency apparatus radio frequency performance has strict requirement, but current radio-frequency apparatus still rests on manual calibration phase, and process is complicated, efficiency is low, error rate is high.
Summary of the invention
Based on this, be necessary to provide a kind of efficiency and the higher radio-frequency apparatus calibration steps of precision.
A kind of radio-frequency apparatus calibration steps, comprises the steps:
Calibrating installation response user input, first test signal of transmission containing frequency number is to radio-frequency apparatus;
Described radio-frequency apparatus is according to described the first test signal containing frequency number, the theoretic frequency value that in inquiry presupposed information table, this frequency number is corresponding, and sending the first radiofrequency signal of this theoretic frequency value, described presupposed information table comprises the theoretic frequency value of multiple frequency number and correspondence, theoretical power (horse-power) value, theoretical power (horse-power) gain;
Frequency spectrograph detects the actual frequency values of described first radiofrequency signal, and sends to described calibrating installation;
Described calibrating installation judges described actual frequency values whether within the scope of pre-set threshold value, when described actual frequency is within the scope of described pre-set threshold value, sends frequency adjustment instructions containing described actual frequency values to described radio-frequency apparatus;
Described radio-frequency apparatus responds described frequency adjustment instructions, and theoretic frequency value corresponding in described presupposed information table is updated to described actual frequency values, and feeds back the first settling signal to described calibrating installation;
Described first settling signal of described calibrating installation response, transmission contains the second test signal of described frequency number and predetermined power information to described radio-frequency apparatus;
Described second test signal of described radio-frequency apparatus response, frequency number described in inquiry presupposed information table and theoretic frequency value corresponding to described power information and theoretical power (horse-power) value, and send the second radiofrequency signal according to described theoretic frequency value and described theoretical power (horse-power) value;
Described frequency spectrograph detects the actual power value obtaining the second radiofrequency signal, sends to calibrating installation;
Described calibrating installation, according to described theoretical power (horse-power) value and described actual power value, obtains actual power gain, and transmission contains the power adjustment instruction of this actual power value and actual power gain to described radio-frequency apparatus;
Theoretical power (horse-power) value corresponding in described presupposed information table and theoretical power (horse-power) gain, according to described power adjustment instruction, are updated to described actual power value and described actual power gain by described radio-frequency apparatus.
In one of them embodiment, described theoretical power (horse-power) value corresponding in described presupposed information table and theoretical power (horse-power) gain being updated in the step of described actual power value and described actual power gain also comprises, and sends the second settling signal to the step of described calibrating installation;
Described radio-frequency apparatus calibration steps also comprises:
Described second settling signal of described calibrating installation response, sends and presets calibration command to described radio-frequency apparatus and default control instruction to described signal source;
Described signal source is according to described control command, and send the standard radio frequency signal of respective frequencies and power to described radio-frequency apparatus, described standard radio frequency signal comprises performance number;
Described radio-frequency apparatus receives described standard radio frequency signal, detects the output power value of self output, and calculates the difference of the described performance number in described output power value and described calibrate radio frequency signal, and upgrades the power correction value of self.
Above-mentioned radio-frequency apparatus calibration steps by calibrating installation preset calibration command and radio-frequency apparatus feedback command, achieve the frequency of radio-frequency apparatus and the auto-calibration of power and power gain, improve calibration efficiency and precision.
Accompanying drawing explanation
Fig. 1 is the hardware structure figure of the radio-frequency apparatus calibration steps implementing a preferred embodiment of the present invention;
Fig. 2 is the flow chart of steps of a preferred embodiment of the present invention radio-frequency apparatus calibration steps.
Embodiment
As shown in Figure 1, it is the hardware structure figure implementing a preferred embodiment of the present invention radio-frequency apparatus calibration steps, comprising: calibrating installation 101, radio-frequency apparatus 102, frequency spectrograph 103 and signal source 104.
Described calibrating installation 101 connects described radio-frequency apparatus 102, frequency spectrograph 103 and signal source 104 by netting twine, and use the point-to-point protocol in WLAN (wireless local area network) telnet (i.e. PPP) to realize described calibrating installation 101 and described radio-frequency apparatus 102, communication between frequency spectrograph 103 and signal source 104, meet the real-time monitoring of described calibrating installation 101 to described radio-frequency apparatus 102 performance parameter.
Described radio-frequency apparatus 102 connects described frequency spectrograph 103 and described signal source 104 respectively.
As shown in Figure 2, it is the flow chart of steps of the radio-frequency apparatus calibration steps of a preferred embodiment of the present invention, comprises the steps:
Step S201, calibrating installation 101 responds user's input, and first test signal of transmission containing frequency number is to radio-frequency apparatus 102.
Calibrating installation 101 described in the present embodiment be computer or other meet the smart machine of calibration steps requirement.
Step S202, described radio-frequency apparatus 102 is according to described the first test signal containing frequency number, the theoretic frequency value that in inquiry presupposed information table, this frequency number is corresponding, and sending the first radiofrequency signal of this theoretic frequency value, described presupposed information table comprises the theoretic frequency value of multiple frequency number and correspondence, theoretical power (horse-power) value, theoretical power (horse-power) gain.
The table of presupposed information described in the present embodiment is text document, also can be extended formatting file in other embodiments.
Step S203, frequency spectrograph 103 detects the actual frequency values of described first radiofrequency signal, and sends to described calibrating installation 101.
Step S204, described calibrating installation 101 judges described actual frequency values whether within the scope of pre-set threshold value, when described actual frequency is within the scope of described pre-set threshold value, sends frequency adjustment instructions containing described actual frequency values to described radio-frequency apparatus 102.
If actual frequency values described in the present embodiment is not within the scope of pre-set threshold value, then calculate the difference of described actual frequency values and preset value, and resend to radio-frequency apparatus 102 according to the test signal that described difference size produces another frequency number; If the number of times repeatedly not within the scope of pre-set threshold value reaches preset times, then stop carrying out detection calibration to described radio-frequency apparatus 102.
Step S205, described radio-frequency apparatus 102 responds described frequency adjustment instructions, and theoretic frequency value corresponding in described presupposed information table is updated to described actual frequency values, and feeds back the first settling signal to described calibrating installation 101.
Step S206, described calibrating installation 101 responds described first settling signal, and transmission contains the second test signal of described frequency number and predetermined power information to described radio-frequency apparatus 102.
Step S207, described radio-frequency apparatus 102 responds described second test signal, frequency number described in inquiry presupposed information table and theoretic frequency value corresponding to described power information and theoretical power (horse-power) value, and send the second radiofrequency signal according to described theoretic frequency value and described theoretical power (horse-power) value.
Step S208, described frequency spectrograph 103 detects the actual power value obtaining the second radiofrequency signal, sends to calibrating installation 101.
Step S209, described calibrating installation 101, according to described theoretical power (horse-power) value and described actual power value, obtains actual power gain, and transmission contains the power adjustment instruction of this actual power value and actual power gain to described radio-frequency apparatus 102.
Step S210, described radio-frequency apparatus 102 is according to described power adjustment instruction, theoretical power (horse-power) value corresponding in described presupposed information table and theoretical power (horse-power) gain are updated to described actual power value and described actual power gain, and send the second settling signal to described calibrating installation 101.
Step S211, described calibrating installation 101 responds described second settling signal, sends default control instruction to described signal source 104.
Step S212, described signal source 104 is according to described control command, and send the standard radio frequency signal of respective frequencies and power to described radio-frequency apparatus 102, described standard radio frequency signal comprises performance number.
The described standard radio frequency signal that signal source 104 described in the present embodiment sends is the signal of the WCDMA standard of predetermined power value.
Step S213, described radio-frequency apparatus 102 receives described standard radio frequency signal, detects the output power value of self output, and calculates the difference of the described performance number in described output power value and described calibrate radio frequency signal, and upgrades the power correction value of self.
In the real work of described radio-frequency apparatus 102, the signal power of self output is increased or deducts the actual power value that described power correction value can obtain the radiofrequency signal received.
Above-mentioned radio-frequency apparatus calibration steps passes through the default calibration command of calibrating installation 101 and radio-frequency apparatus 102 feedback command, achieves the frequency of radio-frequency apparatus 102 and the auto-calibration of power and power gain, improves calibration efficiency and precision.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (2)
1. a radio-frequency apparatus calibration steps, is characterized in that, comprises the steps:
Calibrating installation response user input, first test signal of transmission containing frequency number is to radio-frequency apparatus;
Described radio-frequency apparatus is according to described the first test signal containing frequency number, the theoretic frequency value that in inquiry presupposed information table, this frequency number is corresponding, and sending the first radiofrequency signal of this theoretic frequency value, described presupposed information table comprises the theoretic frequency value of multiple frequency number and correspondence, theoretical power (horse-power) value, theoretical power (horse-power) gain;
Frequency spectrograph detects the actual frequency values of described first radiofrequency signal, and sends to described calibrating installation;
Described calibrating installation judges described actual frequency values whether within the scope of pre-set threshold value, when described actual frequency is within the scope of described pre-set threshold value, sends frequency adjustment instructions containing described actual frequency values to described radio-frequency apparatus;
Described radio-frequency apparatus responds described frequency adjustment instructions, and theoretic frequency value corresponding in described presupposed information table is updated to described actual frequency values, and feeds back the first settling signal to described calibrating installation;
Described first settling signal of described calibrating installation response, transmission contains the second test signal of described frequency number and predetermined power information to described radio-frequency apparatus;
Described second test signal of described radio-frequency apparatus response, frequency number described in inquiry presupposed information table and theoretic frequency value corresponding to described power information and theoretical power (horse-power) value, and send the second radiofrequency signal according to described theoretic frequency value and described theoretical power (horse-power) value;
Described frequency spectrograph detects the actual power value obtaining the second radiofrequency signal, sends to calibrating installation;
Described calibrating installation, according to described theoretical power (horse-power) value and described actual power value, obtains actual power gain, and transmission contains the power adjustment instruction of this actual power value and actual power gain to described radio-frequency apparatus;
Theoretical power (horse-power) value corresponding in described presupposed information table and theoretical power (horse-power) gain, according to described power adjustment instruction, are updated to described actual power value and described actual power gain by described radio-frequency apparatus.
2. radio-frequency apparatus calibration steps according to claim 1, it is characterized in that, described theoretical power (horse-power) value corresponding in described presupposed information table and theoretical power (horse-power) gain being updated in the step of described actual power value and described actual power gain also comprises, and sends the second settling signal to the step of described calibrating installation;
Described radio-frequency apparatus calibration steps also comprises:
Described second settling signal of described calibrating installation response, sends and presets calibration command to described radio-frequency apparatus and default control instruction to described signal source;
Described signal source is according to described control command, and send the standard radio frequency signal of respective frequencies and power to described radio-frequency apparatus, described standard radio frequency signal comprises performance number;
Described radio-frequency apparatus receives described standard radio frequency signal, detects the output power value of self output, and calculates the difference of the described performance number in described output power value and described calibrate radio frequency signal, and upgrades the power correction value of self.
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| CN105071872A (en) * | 2015-07-31 | 2015-11-18 | 广东欧珀移动通信有限公司 | Detection method and device for cellphone radio frequency channel |
| CN106452615A (en) * | 2016-09-30 | 2017-02-22 | 维沃移动通信有限公司 | Radio frequency calibration method and mobile terminal |
| CN106597262A (en) * | 2017-01-17 | 2017-04-26 | 太仓市同维电子有限公司 | Wireless testing calibration method based on K-means algorithm |
| 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 |
| CN109031225A (en) * | 2018-08-22 | 2018-12-18 | 华清瑞达（天津）科技有限公司 | The Calibration Method and system of microwave components |
| CN109979178A (en) * | 2019-01-30 | 2019-07-05 | 西安思丹德信息技术有限公司 | A kind of telemetering radio-frequency power and frequency controller and its operation method |
| CN110048785A (en) * | 2019-05-22 | 2019-07-23 | 东信和平科技股份有限公司 | A kind of pair of NB-IOT module carries out the method and relevant device of RF calibration |
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| CN110048785A (en) * | 2019-05-22 | 2019-07-23 | 东信和平科技股份有限公司 | A kind of pair of NB-IOT module carries out the method and relevant device of RF calibration |
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