CN109245837A - A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception - Google Patents
A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception Download PDFInfo
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- CN109245837A CN109245837A CN201811350665.XA CN201811350665A CN109245837A CN 109245837 A CN109245837 A CN 109245837A CN 201811350665 A CN201811350665 A CN 201811350665A CN 109245837 A CN109245837 A CN 109245837A
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- China
- Prior art keywords
- internet
- radio frequency
- things terminal
- frequency reception
- calibration system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a kind of parallel self-calibration systems of internet-of-things terminal radio frequency reception, including signal source, power divider, radio frequency line and internet-of-things terminal to be calibrated, the signal source is connected by radio frequency line with power divider, power divider also passes through radio frequency line and connects internet-of-things terminal to be calibrated, the present invention due to radio frequency reception can parallel self calibration, do not need PC journey test instrumentation in self-calibration process, it is time-consuming short, it is high-efficient, in addition whole system build it is very simple, it is easy to operate.
Description
Technical field
The present invention relates to internet of things field, specifically a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception.
Background technique
All things on earth Internet age just goes near gradually, and major telecom operators, network equipment vendor etc. accelerate industrial pattern step one after another
It cuts down, Internet of Things industry is soaring, and technology is fast-developing and mature, and Internet of Things industry welcomes the new round market outbreak period.
Predict that the year two thousand twenty whole world Internet of Things connection quantity is up to 200 hundred million to 500 hundred million according to some advisory organizations, with internet of things product
Be widely applied, multimode multi-frequency internet-of-things terminal also with product demand outburst and increase sharply, for the end of multimode multi-frequency Internet of Things
RF calibration is held, traditional calibration method is to calibrate respectively to terminal transmission and reception, and need comprehensive test instrument and terminal one-to-one
Detection calibration, while the end PC software synchronization control comprehensive test instrument table and terminal carry out transmitting-receiving calibration, testing time and cost accounting
Higher, operating method is relative complex, and there is an urgent need to improve testing efficiency and reduce testing cost.
Summary of the invention
The purpose of the present invention is to provide a kind of parallel self-calibration systems of internet-of-things terminal radio frequency reception, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception, including signal source, power divider, radio frequency line and to be calibrated
Internet-of-things terminal, the signal source are connected by radio frequency line with power divider, and power divider is also connected by radio frequency line
Internet-of-things terminal to be calibrated.
As a preferred solution of the present invention: the internet-of-things terminal to be calibrated has 4.
As a preferred solution of the present invention: the power divider is one point of four power divider.
As a preferred solution of the present invention: being additionally provided with combination button on the internet-of-things terminal to be calibrated.
As a preferred solution of the present invention: being additionally provided with antenna on the internet-of-things terminal to be calibrated.
As a preferred solution of the present invention: the signal source is equipped with and is manually entered key.
As a preferred solution of the present invention: the output signal of the signal source is radiofrequency signal.
Compared with prior art, the beneficial effects of the present invention are: the present invention is due to the parallel self calibration of radio frequency reception energy, self-correcting
PC journey test instrumentation is not needed during quasi-, it is time-consuming short, it is high-efficient, in addition whole system build it is very simple, it is easy to operate.
Detailed description of the invention
Fig. 1 is structure chart of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, embodiment 1: in the embodiment of the present invention, a kind of parallel self calibration system of internet-of-things terminal radio frequency reception
System, including signal source 1, power divider 2, radio frequency line 3 and internet-of-things terminal to be calibrated 4.Wherein, signal source 1 is manually set defeated
Constant signal out, radiofrequency signal are output to power divider 2 by radio frequency line 3, and power divider 2 is by the signal from signal source
One point of 4 tunnel equivalent signal passes through four again and is output at 4 received antenna signal of internet-of-things terminal to be calibrated according to radio frequency line 3.
When carrying out self calibration, specific process is as follows: setting signal source 1 persistently exports constant signal, by power point
Orchestration 2 and radio frequency line 3 correctly connect, and internet-of-things terminal 4 to be calibrated is switched on and radio frequency line 3 is connected to signal receiving antenna
Place, the Macintosh being manually pressed by internet-of-things terminal 4 to be calibrated enter self calibration application model, pass through internet-of-things terminal to be calibrated
4 check calibration process, and until prompt radio frequency reception self calibration success or failure terminates self-calibration process, multiple internet-of-things terminals are certainly
Calibration can carry out parallel calibration simultaneously, and terminal inner can store the more detailed logging of calibration process.
Embodiment 2: on the basis of embodiment 1, the signal source 1 of the design, which is equipped with, is manually entered key, can be by pressing
The different output signal of key assignments, it is easy to operate, it is practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception, including signal source (1), power divider (2), radio frequency line
(3) and internet-of-things terminal to be calibrated (4), which is characterized in that the signal source (1) passes through radio frequency line (3) and power divider (2)
It is connected, power divider (2) also connects internet-of-things terminal (4) to be calibrated by radio frequency line (3).
2. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception according to claim 1, which is characterized in that described
Internet-of-things terminal (4) to be calibrated has 4.
3. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception according to claim 1, which is characterized in that described
Power divider (2) is one point of four power divider.
4. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception according to claim 1, which is characterized in that described
Combination button is additionally provided on internet-of-things terminal (4) to be calibrated.
5. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception according to claim 1, which is characterized in that described
Antenna is additionally provided on internet-of-things terminal (4) to be calibrated.
6. a kind of parallel self-calibration system of internet-of-things terminal radio frequency reception according to claim 1, which is characterized in that described
Signal source (1) is equipped with and is manually entered key.
7. a kind of -6 any parallel self-calibration system of internet-of-things terminal radio frequency reception, feature exist according to claim 1
In the output signal of the signal source (1) is radiofrequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350665.XA CN109245837A (en) | 2018-11-14 | 2018-11-14 | A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350665.XA CN109245837A (en) | 2018-11-14 | 2018-11-14 | A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245837A true CN109245837A (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811350665.XA Pending CN109245837A (en) | 2018-11-14 | 2018-11-14 | A kind of parallel self-calibration system of internet-of-things terminal radio frequency reception |
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| CN (1) | CN109245837A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304289A (en) * | 2008-06-30 | 2008-11-12 | 摩比天线技术（深圳）有限公司 | Intelligent antenna calibration network and calibration method |
| CN202218237U (en) * | 2011-09-14 | 2012-05-09 | 深圳市华域无线技术有限公司 | Terminal self-calibration system |
| CN104301047A (en) * | 2014-10-22 | 2015-01-21 | 中国电子科技集团公司第四十一研究所 | Power self-calibration device and method of multi-mode multi-frequency multi-channel system |
| CN105873108A (en) * | 2016-05-25 | 2016-08-17 | 工业和信息化部电信研究院 | Test system for radio frequency conformance of LTE (long term evolution) terminal |
| CN106941382A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | The self calibration implementation method and device of a kind of radio frequency matrix switch |
| CN108291937A (en) * | 2015-11-20 | 2018-07-17 | 泰拉丁公司 | Calibrating installation for automatic test equipment |
-
2018
- 2018-11-14 CN CN201811350665.XA patent/CN109245837A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304289A (en) * | 2008-06-30 | 2008-11-12 | 摩比天线技术（深圳）有限公司 | Intelligent antenna calibration network and calibration method |
| CN202218237U (en) * | 2011-09-14 | 2012-05-09 | 深圳市华域无线技术有限公司 | Terminal self-calibration system |
| CN104301047A (en) * | 2014-10-22 | 2015-01-21 | 中国电子科技集团公司第四十一研究所 | Power self-calibration device and method of multi-mode multi-frequency multi-channel system |
| CN108291937A (en) * | 2015-11-20 | 2018-07-17 | 泰拉丁公司 | Calibrating installation for automatic test equipment |
| CN106941382A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | The self calibration implementation method and device of a kind of radio frequency matrix switch |
| CN105873108A (en) * | 2016-05-25 | 2016-08-17 | 工业和信息化部电信研究院 | Test system for radio frequency conformance of LTE (long term evolution) terminal |
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