CN103716104A - System and method for achieving multi-port radio frequency device measuring based on radio frequency switch matrix - Google Patents
System and method for achieving multi-port radio frequency device measuring based on radio frequency switch matrix Download PDFInfo
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- CN103716104A CN103716104A CN201410018422.1A CN201410018422A CN103716104A CN 103716104 A CN103716104 A CN 103716104A CN 201410018422 A CN201410018422 A CN 201410018422A CN 103716104 A CN103716104 A CN 103716104A
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Abstract
The invention relates to a system and method for achieving multi-port radio frequency device measuring based on a radio frequency switch matrix. The system comprises vector network analyzers, the radio frequency switch matrix and a main control computer. The vector network analyzers are used for measuring a multi-port radio frequency device. The radio frequency switch matrix is used for being connected with the vector network analyzers and the multi-port radio frequency device. The main control computer is used for controlling the vector network analyzers to measure the multi-port radio frequency device automatically. According to the system and method for achieving multi-port radio frequency device measuring based on the radio frequency switch matrix, automatic measuring of the multi-port radio frequency device is achieved based on the radio frequency switch matrix and the two port vector network analyzers, a measured piece is connected at one time, measuring of all S-parameter port indexes of the measured piece is automatically completed, no technical requirements for testing personnel exist, labor cost is lowered, testing time is shortened manifold, labor intensity is lowered, production efficiency is improved, and the wide application range is achieved.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to radio-frequency devices fields of measurement, specifically refer to a kind of system and method for realizing the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix.
Background technology
Develop rapidly along with mobile communication, there is 2G, 3G, the situation that 4G coexists and merges, therefore, mobile communications network multi-modulation scheme, the situation of multiband will be within a period of time long-term existence, thereby, caused the complexity of mobile communication network device more and more higher, the radio-frequency devices and the radio frequency component port that form mobile communications network are more and more, the verification test complexity of radio-frequency devices S parameter index is also increasing, rely on traditional two-port vector network analyzer, need port connection many times just can complete test, measure difficulty, labour intensity increases greatly, cause the accuracy of test result to be difficult to guarantee.Multiport vector network analyzer is expensive, complicated operation, and mobile communication manufacturing industry dog-eat-dog, and manufacturer is very high to the requirement of production cost, and multiport vector network analyzer is difficult to meet the cost requirement of manufacturer.This patent provides a kind of cost low, the solution that automaticity is high, the test that can effectively solve multiport radio-frequency devices S parameter index.
Prior art is that the repeatedly connection of buying two-port vector network analyzer is tested, or four port vector network analyzers and eight port vector network analyzers carry out the test of four ports and eight port devices.
Adopt two-port vector network analyzer to have defect:
(1) need repeatedly connecting test, labour intensity is large.
(2) manual operation instrument test, requires high to tester.
(3), easily there is misoperation in complex operation, production efficiency is low.
Adopt four port vector network analyzers and eight port vector network analyzers to have defect:
(1) can only meet the test of four ports, eight port devices, be difficult to meet the test of all multiport devices.
(2) instrument is expensive, causes production cost greatly to increase.
(3) manual operation instrument is tested, and tester is required high.
(4), easily there is misoperation in complex operation, production efficiency is low.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, provide a kind of can realize based on radio-frequency (RF) switch matrix and two-port vector network analyzer realize the automatic measurement of multiport radio-frequency devices, be once connected measured piece, reduce the testing time at double, reduce labor intensity, enhance productivity based on radio-frequency (RF) switch matrix, realize the system and method that multiport radio-frequency devices is measured.
To achieve these goals, of the present inventionly based on radio-frequency (RF) switch matrix, realize the system and method that multiport radio-frequency devices measures and there is following formation:
Should realize the system that multiport radio-frequency devices is measured based on radio-frequency (RF) switch matrix, its main feature is that described system comprises:
Vector network analyzer, measures in order to the multiport radio-frequency devices to described;
Radio-frequency (RF) switch matrix, in order to connect described vector network analyzer and multiport radio-frequency devices;
Main control computer, measures described multiport radio-frequency devices automatically in order to control described vector network analyzer.
Preferably, described vector network analyzer is two-port vector network analyzer.
Preferably, described system also comprises calibrating device, under the control of described calibrating device in order to the main control computer described, test access is calibrated.
More preferably, described calibrating device is Electronic Calibration part or mechanical calibration kits.
The invention still further relates to a kind of method of multiport radio-frequency devices measurement that realizes based on radio-frequency (RF) switch matrix by described system, its main feature is that described method comprises the following steps:
(1) described vector network analyzer is connected with main control computer with described radio-frequency (RF) switch matrix respectively;
(2) described radio-frequency (RF) switch matrix is connected with described multiport radio-frequency devices;
(3) under the control of described main control computer, by described vector network analyzer, described multiport radio-frequency devices is tested.
Preferably, described vector network analyzer is two-port vector network analyzer.
Preferably, described system also comprises calibrating device, between described step (1) and (2), further comprising the steps of:
(11) under the control of described main control computer, by described calibrating device, test access is calibrated.
Preferably, described step (3) is afterwards, further comprising the steps of:
(4) test report is preserved and automatically generated to described main control computer to test data.
Adopted and based on radio-frequency (RF) switch matrix, realized the system and method that multiport radio-frequency devices is measured in this invention, there is following beneficial effect:
(1) based on radio-frequency (RF) switch matrix and two-port vector network analyzer, realize the automatic measurement of multiport radio-frequency devices; Once connect measured piece, automatically complete the test of all S parameters of measured piece port index.
(2) for tester, there is no specification requirement, reduce labour cost.
(3) reduce the testing time exponentially, reduce labor intensity, enhance productivity, there is range of application widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of realizing the system of multiport radio-frequency devices measurement based on radio-frequency (RF) switch matrix of the present invention.
Fig. 2 is that the system applies that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix of the present invention is in the structural representation of embodiment.
Embodiment
In order more clearly to describe technology contents of the present invention, below in conjunction with specific embodiment, conduct further description.
The 9 port TD smart antennas of take below describe the technical program as example.
As shown in Figure 1,9 port TD(time-divisions are synchronous) smart antenna Auto-Test System comprises with lower member:
VNA(Vector Network Analyzer) two-port vector network analyzer.
RSM(Rf Switch Matrix) radio-frequency (RF) switch matrix.
MPC(Main PC) main control computer.
E-Cal Electronic Calibration part or M-Cal mechanical calibration kits.
9 port TD smart antennas need to be tested the standing wave of each port, amplitude and the phase place between isolation, antenna port and calibration port between adjacent antenna port, more than 50 test value of as many as.The antenna port of TD smart antenna and calibration port are connected to the test port of RSM by radio frequency testing cable, MPC main control computer is controlled RSM and each port of tested antenna is switched to the test port of VNA vector network analyzer, is completed the test of tested antenna index by VNA.
The specific implementation process of this programme is described as follows.
(1) connecting test cable.Rf Cable radio frequency testing cable is connected to the test port of RSM.
(11) calibration testing path.The path calibration function of operation MPC application software, carries out path calibration with E-Cal or M-Cal.
(2) connect measured device.The antenna port of TD smart antenna and calibration port are connected to the test port of RSM by radio frequency testing cable.
(3) test.The test function of operation MPC application software, completes the test of TD antenna index automatically.
(4) data are preserved and report generation.Automatically preserve test result, generate test report.
Adopted and based on radio-frequency (RF) switch matrix, realized the system and method that multiport radio-frequency devices is measured in this invention, there is following beneficial effect:
(1) based on radio-frequency (RF) switch matrix and two-port vector network analyzer, realize the automatic measurement of multiport radio-frequency devices; Once connect measured piece, automatically complete the test of all S parameters of measured piece port index.
(2) for tester, there is no specification requirement, reduce labour cost.
(3) reduce the testing time exponentially, reduce labor intensity, enhance productivity, there is range of application widely.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (8)
1. based on radio-frequency (RF) switch matrix, realize the system that multiport radio-frequency devices is measured, it is characterized in that, described system comprises:
Vector network analyzer, measures in order to the multiport radio-frequency devices to described;
Radio-frequency (RF) switch matrix, in order to connect described vector network analyzer and multiport radio-frequency devices;
Main control computer, measures described multiport radio-frequency devices automatically in order to control described vector network analyzer.
2. the system that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix according to claim 1, is characterized in that, described vector network analyzer is two-port vector network analyzer.
3. according to claim 1ly based on radio-frequency (RF) switch matrix, realize the system that multiport radio-frequency devices is measured, it is characterized in that, described system also comprises calibrating device, under the control of described calibrating device in order to the main control computer described, test access is calibrated.
4. the system that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix according to claim 3, is characterized in that, described calibrating device is Electronic Calibration part or mechanical calibration kits.
5. by the system described in any one in claim 1 to 4, based on radio-frequency (RF) switch matrix, realize the method that multiport radio-frequency devices is measured, it is characterized in that, described method comprises the following steps:
(1) described vector network analyzer is connected with main control computer with described radio-frequency (RF) switch matrix respectively;
(2) described radio-frequency (RF) switch matrix is connected with described multiport radio-frequency devices;
(3) under the control of described main control computer, by described vector network analyzer, described multiport radio-frequency devices is tested.
6. the method that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix according to claim 5, is characterized in that, described vector network analyzer is two-port vector network analyzer.
7. the method that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix according to claim 5, is characterized in that, described system also comprises calibrating device, between described step (1) and (2), further comprising the steps of:
(11) under the control of described main control computer, by described calibrating device, test access is calibrated.
8. the method that realizes the measurement of multiport radio-frequency devices based on radio-frequency (RF) switch matrix according to claim 5, is characterized in that, described step (3) is afterwards, further comprising the steps of:
(4) test report is preserved and automatically generated to described main control computer to test data.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162535A (en) * | 2015-08-11 | 2015-12-16 | 上海原动力通信科技有限公司 | Isolation test device and method |
| CN105699826A (en) * | 2016-04-06 | 2016-06-22 | 中国电子科技集团公司第十三研究所 | Microwave device automatic testing system and method |
| CN106656306A (en) * | 2016-12-07 | 2017-05-10 | 中国空间技术研究院 | High-efficiency and high-precision testing method for third-order intermodulation of repeater based on vector network |
| CN107796991A (en) * | 2017-10-24 | 2018-03-13 | 中国电子科技集团公司第三十八研究所 | The active standing wave automatic testing equipment of phased array antenna and method |
| CN107817368A (en) * | 2017-09-27 | 2018-03-20 | 南京捷希科技有限公司 | A kind of measurement apparatus and measuring method of multichannel S parameter |
| CN107884648A (en) * | 2017-11-10 | 2018-04-06 | 中国电子科技集团公司第四十研究所 | A kind of method for testing and analyzing of multiport differential transfer channel jitter |
| CN109782208A (en) * | 2019-03-04 | 2019-05-21 | 上海精密计量测试研究所 | Vector network analyzer auto-calibration device and calibration method |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110311738A (en) * | 2019-07-30 | 2019-10-08 | 京信通信***（中国）有限公司 | Radio frequency switch device and system |
| CN110376450A (en) * | 2019-06-14 | 2019-10-25 | 南京冉亚电子技术有限公司 | Multi-user's multiport extended method and system based on vector network analyzer |
| CN110806507A (en) * | 2019-10-24 | 2020-02-18 | 成都飞机工业（集团）有限责任公司 | In-situ automatic test method for bundled radio frequency cable and LRM modular interface |
| CN113759370A (en) * | 2021-08-10 | 2021-12-07 | 桂林电子科技大学 | Multi-user electromagnetic wave imaging and measuring system based on CTDM technology |
| CN115998253A (en) * | 2022-12-22 | 2023-04-25 | 北大荒集团总医院 | Monitoring method and monitoring device for peritoneal effusion change condition |
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| CN101871973A (en) * | 2010-05-14 | 2010-10-27 | 西安电子科技大学 | Time sharing multiplex measurement system and method based on vector network analyzer |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162535B (en) * | 2015-08-11 | 2018-09-11 | 上海原动力通信科技有限公司 | Isolation degree test device and test method |
| CN105162535A (en) * | 2015-08-11 | 2015-12-16 | 上海原动力通信科技有限公司 | Isolation test device and method |
| CN105699826A (en) * | 2016-04-06 | 2016-06-22 | 中国电子科技集团公司第十三研究所 | Microwave device automatic testing system and method |
| CN106656306A (en) * | 2016-12-07 | 2017-05-10 | 中国空间技术研究院 | High-efficiency and high-precision testing method for third-order intermodulation of repeater based on vector network |
| CN106656306B (en) * | 2016-12-07 | 2019-05-24 | 中国空间技术研究院 | A kind of transponder third order intermodulation test method based on vector network analyzer |
| CN107817368A (en) * | 2017-09-27 | 2018-03-20 | 南京捷希科技有限公司 | A kind of measurement apparatus and measuring method of multichannel S parameter |
| CN107796991A (en) * | 2017-10-24 | 2018-03-13 | 中国电子科技集团公司第三十八研究所 | The active standing wave automatic testing equipment of phased array antenna and method |
| CN107884648A (en) * | 2017-11-10 | 2018-04-06 | 中国电子科技集团公司第四十研究所 | A kind of method for testing and analyzing of multiport differential transfer channel jitter |
| CN109782208A (en) * | 2019-03-04 | 2019-05-21 | 上海精密计量测试研究所 | Vector network analyzer auto-calibration device and calibration method |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN110376450A (en) * | 2019-06-14 | 2019-10-25 | 南京冉亚电子技术有限公司 | Multi-user's multiport extended method and system based on vector network analyzer |
| CN110376450B (en) * | 2019-06-14 | 2021-11-05 | 南京冉亚电子技术有限公司 | Multi-user multi-port expansion method and system based on vector network analyzer |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110311738A (en) * | 2019-07-30 | 2019-10-08 | 京信通信***（中国）有限公司 | Radio frequency switch device and system |
| CN110311738B (en) * | 2019-07-30 | 2024-05-24 | 京信网络***股份有限公司 | Radio frequency switching device and system |
| CN110806507A (en) * | 2019-10-24 | 2020-02-18 | 成都飞机工业（集团）有限责任公司 | In-situ automatic test method for bundled radio frequency cable and LRM modular interface |
| CN113759370A (en) * | 2021-08-10 | 2021-12-07 | 桂林电子科技大学 | Multi-user electromagnetic wave imaging and measuring system based on CTDM technology |
| CN115998253A (en) * | 2022-12-22 | 2023-04-25 | 北大荒集团总医院 | Monitoring method and monitoring device for peritoneal effusion change condition |
| CN115998253B (en) * | 2022-12-22 | 2023-08-04 | 北大荒集团总医院 | Monitoring method and monitoring device for peritoneal effusion change condition |
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Application publication date: 20140409 |