CN114172595B - Power testing device sharing receiving and transmitting channel - Google Patents
Power testing device sharing receiving and transmitting channel Download PDFInfo
- Publication number
- CN114172595B CN114172595B CN202111333045.7A CN202111333045A CN114172595B CN 114172595 B CN114172595 B CN 114172595B CN 202111333045 A CN202111333045 A CN 202111333045A CN 114172595 B CN114172595 B CN 114172595B
- Authority
- CN
- China
- Prior art keywords
- power
- signal source
- computer
- isolator
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a power testing method and device for a shared receiving and transmitting channel, which belong to the technical field of electronics and comprise a plurality of attenuators, a combiner, a power divider, an isolator, a signal source, a power meter, a computer and automatic measurement and control software; the power divider is connected with the power meter, the power divider is connected with the isolator, the power meter is connected with the computer, the isolator is connected with the signal source, the signal source is connected with the computer, the computer is connected with the radio frequency system, and the computer is provided with automatic measurement and control software. The invention can complete the test of the power index by adopting a signal injection mode without entering a darkroom, reduces the dependence on darkroom resources, reduces the time for erecting the darkroom, greatly improves the test efficiency, and avoids the risk of injury to personnel caused by high-power microwave radiation signals, and the like.
Description
Technical Field
The present invention relates to the field of electronic technologies, and in particular, to a method and an apparatus for testing power of a shared transceiver channel.
Background
In order to measure the power test of the shared transceiving channel, namely the receiving channel and the transmitting channel, uses the same physical channel, and a method generally adopted is full-power space radiation type test, which is divided into two modes of darkroom test and open field test. In the first mode, based on dependence on darkroom resources, the darkroom resources are always scarce resources in each unit due to high manufacturing cost, and queuing is usually needed in the use of darkrooms; the second method has the risk that the high-power microwave radiation signal may cause injury to personnel, is influenced by external electromagnetic waves or ground reflection waves and the like, and has great direct influence on the test result.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a power testing method and device for a shared receiving and transmitting channel, which can finish the testing of a power index by adopting a signal injection mode without entering a darkroom, reduce the dependence on darkroom resources, reduce the time of the darkroom setting up environment, greatly improve the testing efficiency, and avoid the risk of possible injury of high-power microwave radiation signals to personnel.
The invention aims at realizing the following scheme:
a power testing apparatus for a shared transmit receive path, comprising:
the system comprises a plurality of attenuators, a combiner, a power divider, an isolator, a signal source, a power meter, a computer and automatic measurement and control software; the power divider is connected with the power meter, the power divider is connected with the isolator, the power meter is connected with the computer, the isolator is connected with the signal source, the signal source is connected with the computer, the computer is connected with the radio frequency system, and the computer is provided with automatic measurement and control software; the power divider is connected with the power meter through a first radio frequency cable, the power divider is connected with the power isolator through a second radio frequency cable, the power meter is connected with the computer through a first control bus, the computer is connected with the signal source through a second control bus, and the signal source is connected with the isolator.
Further, the system comprises a phase stabilizing cable, and a plurality of attenuators are connected with corresponding receiving and transmitting channel ports of the radio frequency system through the phase stabilizing cable.
Further, the circuit comprises a third radio frequency cable, and the radio frequency signal is connected to the combiner through the third radio frequency cable after being attenuated.
Further, the radio frequency signal is divided into two paths after passing through the power divider, one path is connected with a power meter, and the power meter receives a control command of automatic measurement and control software to measure the power value; the other path is connected with a signal source after being connected.
Further, the isolator is used for preventing the signal source from being damaged by signal backflow.
A method of a power testing device based on a shared transmit receive channel as defined in any preceding claim, comprising the steps of: the signal source and the power meter work in time, the working time sequence of the instrument is controlled by automatic measurement and control software, high level is set to be effective, and electromagnetic wave space radiation is simulated; the method comprises the following steps:
further, when the automatic measurement and control software runs in a computer, the following sub-steps are executed:
s1, identifying instrument equipment by software, reading a test frequency band and inserting cable loss;
s2, initializing an instrument, controlling a signal source by software and performing power time division operation;
s3, software controls signal source parameters, wherein the signal source parameters comprise frequency points, power and signal parameters;
s4, delaying the signal to be received for a set time to be stable, acquiring a signal allowing radiation to be opened, and then issuing a radiation opening command, reading a power value from a power meter and storing the power value into software;
s5, the software successfully reads the reading of the power meter and judges whether the data is qualified or not, the test result is displayed,
s6, judging whether the test point is finished or not, if not, returning to test the next frequency point, and if so, storing the database into the database.
S7, after the test of the frequency points is finished, the radiation is turned off.
The beneficial effects of the invention are as follows:
the invention is suitable for measuring the performance index test of the multi-channel receiving and transmitting shared channel, can finish the performance index test by adopting a signal injection mode without entering a darkroom, reduces the dependence on darkroom resources, reduces the time of darkroom erection environment, greatly improves the test efficiency, and avoids the risk of possible injury to personnel caused by high-power microwave radiation signals.
The system and the method realize a new transmitting signal structure and a new transmitting signal flow: the radio frequency signal output by the signal source is connected to the power divider through the isolator, the radio frequency signal is connected to the combiner after passing through the power divider, the combiner at the moment plays the role of the power divider in fact, the radio frequency signal is connected to each receiving and transmitting channel of the system after passing through the attenuator after being subjected to power division, and the injection of the system signal is completed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is an apparatus according to an embodiment of the present invention;
FIG. 2 is a timing control diagram of a test system for implementing transmit-receive sharing;
FIG. 3 is a flowchart illustrating steps of a method according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in all of the embodiments of this specification, or all of the steps in any method or process disclosed implicitly, except for the mutually exclusive features and/or steps, may be combined and/or expanded and substituted in any way.
Example 1: as shown in fig. 1 to 2, a power test device for a shared transmission/reception channel includes: the system comprises a plurality of attenuators, a combiner, a power divider, an isolator, a signal source, a power meter, a computer and automatic measurement and control software; the power divider is connected with the power meter, the power divider is connected with the isolator, the power meter is connected with the computer, the isolator is connected with the signal source, the signal source is connected with the computer, the computer is connected with the radio frequency system, and the computer is provided with automatic measurement and control software; the power divider is connected with the power meter through a first radio frequency cable, the power divider is connected with the power isolator through a second radio frequency cable, the power meter is connected with the computer through a first control bus, the computer is connected with the signal source through a second control bus, and the signal source is connected with the isolator.
In this embodiment, the port of each transceiver channel of the transceiver channels is physically connected to the attenuator through a phase-stabilizing radio frequency cable, so as to attenuate the power of the transmission signal; the radio frequency signal is connected to the combiner through a radio frequency cable after being attenuated, and then is connected to the power divider; the radio frequency signal is divided into 2 paths after passing through the power divider, one path is connected with the power meter, and the power meter receives a control command of automatic measurement and control software to measure the power value. The other path is connected with an isolator (preventing the signal source from being damaged by signal backflow) and then connected with the signal source. The radio frequency signal output by the signal source is connected to the power divider through the isolator. The radio frequency signal is connected to the combiner after passing through the power divider, and the combiner plays the role of the power divider. And after the radio frequency signals are subjected to power division, the radio frequency signals are accessed into each receiving and transmitting channel of the system through the attenuator, and the injection of the system signals is completed.
Example 2: on the basis of embodiment 1, as shown in fig. 3, a method for a power testing device based on the shared transceiving channel comprises the following steps:
by adopting the method of time division operation of the instrument (namely the operation of a signal source and a power meter), as shown in fig. 2, the influence of simultaneous bidirectional passing of electromagnetic waves is eliminated, and the hardware sharing of a test system is realized. The working time sequence of the instrument is controlled by automatic measurement and control software, high level is set to be effective, electromagnetic wave space radiation is simulated, the information acquisition problem of a shared receiving and transmitting channel is solved, and the sharing of a test system is realized. In combination with the connection of the hardware devices, the flow chart of the automatic measurement and control software of the embodiment is shown in fig. 3, and the specific implementation method is as follows:
step 2, initializing an instrument, controlling a signal source by software and performing power time division operation;
step 3, the software controls signal source parameters (frequency points, power, signal parameters and the like);
step 4, delaying for 3 minutes until the received signal is stable, acquiring a signal which allows radiation to be opened effectively, then issuing a radiation opening command, reading a power value from a power meter, and storing the power value into software;
step 5, the software successfully reads the reading of the power meter and judges whether the data is qualified or not, the test result is displayed,
step 6, judging whether the test point is finished or not, and returning to test the next frequency point if the test is not finished; and if the test is finished, saving the database to the database.
And 7, turning off radiation after the test of the frequency points is finished.
The method and the device for measuring the equivalent radiation power index of the multi-channel transceiving shared channel are applied and implemented in a plurality of projects, so that the dependence on darkroom resources and the risk of possible injury to personnel caused by high-power microwave radiation signals are greatly reduced, the time for erecting the darkroom is reduced, the test efficiency is improved by 30%, and the project production process is accelerated.
The inventive functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in the form of a software product stored in a storage medium and executing all or part of the steps of the method according to the embodiments of the present invention in a computer device (which may be a personal computer, a server, or a network device, etc.) and corresponding software. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, and an optical disk, and test or actual data exist in a read-only memory (Random Access Memory, RAM), a random access memory (Random Access Memory, RAM), and the like in program implementation.
Claims (5)
1. A power test apparatus for a shared transmit receive channel, comprising:
the system comprises a plurality of attenuators, a combiner, a power divider, an isolator, a signal source, a power meter, a computer and automatic measurement and control software; the power divider is connected with the power meter, the power divider is connected with the isolator, the power meter is connected with the computer, the isolator is connected with the signal source, the signal source is connected with the computer, the computer is connected with the radio frequency system, and the computer is provided with automatic measurement and control software;
the power divider is connected with the isolator through a first radio frequency cable, the power divider is connected with the computer through a first control bus, the computer is connected with the signal source through a second control bus, and the signal source is connected with the isolator;
the signal source and the power meter work in time, and when the automatic measurement and control software runs in a computer, the following sub-steps are executed:
s1, identifying instrument equipment by software, reading a test frequency band and inserting cable loss;
s2, initializing an instrument, controlling a signal source by software and performing power time division operation;
s3, software controls signal source parameters, wherein the signal source parameters comprise frequency points, power and signal parameters;
s4, delaying the signal to be received for a set time to be stable, acquiring a signal allowing radiation to be opened, and then issuing a radiation opening command, reading a power value from a power meter and storing the power value into software;
s5, the software successfully reads the reading of the power meter and judges whether the data are qualified or not, and a test result is displayed;
s6, judging whether the test points are finished or not, if not, returning to test the next frequency point, and if so, storing the database into the database;
s7, after the test of the frequency points is finished, the radiation is turned off.
2. The apparatus of claim 1, comprising a phase-stabilizing cable through which the plurality of attenuators are connected to respective transceiver channel ports of the radio frequency system.
3. The device for testing the power of the shared transmission and reception channel as claimed in claim 1, comprising a third rf cable through which the rf signal is attenuated and connected to the combiner.
4. The power test device for the shared transceiving channel according to claim 1, wherein the radio frequency signal is divided into two paths after passing through the power divider, one path is connected with a power meter, and the power meter receives a control command of automatic measurement and control software to perform power value measurement; the other path is connected with the isolator and then connected with a signal source.
5. The power testing apparatus of claim 1, wherein the isolator is configured to prevent the signal source from being damaged by signal backflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333045.7A CN114172595B (en) | 2021-11-11 | 2021-11-11 | Power testing device sharing receiving and transmitting channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333045.7A CN114172595B (en) | 2021-11-11 | 2021-11-11 | Power testing device sharing receiving and transmitting channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114172595A CN114172595A (en) | 2022-03-11 |
| CN114172595B true CN114172595B (en) | 2023-05-12 |
Family
ID=80478777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333045.7A Active CN114172595B (en) | 2021-11-11 | 2021-11-11 | Power testing device sharing receiving and transmitting channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114172595B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188462A (en) * | 2006-11-15 | 2008-05-28 | 中兴通讯股份有限公司 | Detection method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155216B2 (en) * | 2002-09-19 | 2006-12-26 | Nokia Corporation | Functionality test in a base transceiver station |
| CN101009523B (en) * | 2006-01-23 | 2011-08-10 | 中兴通讯股份有限公司 | A device and method for automatic measurement of the mobile communication terminal demodulation performance |
| CN101106787B (en) * | 2006-07-12 | 2010-11-10 | 大唐移动通信设备有限公司 | Base station RF index testing system and method, and RF box for TD-SCDMA system |
| US8525981B2 (en) * | 2010-03-29 | 2013-09-03 | Verizon Patent And Licensing Inc. | Return loss measurement system |
| CN103592640A (en) * | 2013-11-20 | 2014-02-19 | 中国船舶重工集团公司第七二四研究所 | Automatic high-precision calibration method of meteorological radar send-receive channel gains |
| CN104301049A (en) * | 2014-10-16 | 2015-01-21 | 国家电网公司 | Dual-channel passive device power tolerance testing system |
| CN205484818U (en) * | 2016-02-18 | 2016-08-17 | 成都中森通信科技有限公司 | Detection apparatus for big dipper satellite receiving and dispatching radio frequency |
| CN207782816U (en) * | 2018-01-04 | 2018-08-28 | 武汉虹信通信技术有限责任公司 | A kind of LTE terminal RF index testing cassete and test system |
-
2021
- 2021-11-11 CN CN202111333045.7A patent/CN114172595B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188462A (en) * | 2006-11-15 | 2008-05-28 | 中兴通讯股份有限公司 | Detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114172595A (en) | 2022-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111478737B (en) | Radio frequency test method, device, electronic device and storage medium | |
| US10256923B2 (en) | Method and device for generating MIMO test signal | |
| CN104330777B (en) | Self-calibration method for receiving-transmitting channel of active phased array radar | |
| CN110535539B (en) | Power compensation method, device, equipment and medium for radio frequency module | |
| US12019529B2 (en) | Testing method and testing device | |
| CN208272981U (en) | TREA multichannel test device | |
| CN116723140A (en) | Multithreaded excitation signal configuration method based on vector network analyzer | |
| CN108306693A (en) | A kind of wireless performance test method and system based on programmable attenuator | |
| CN114172595B (en) | Power testing device sharing receiving and transmitting channel | |
| CN101340198B (en) | Calibration method, apparatus and system for RF receiver | |
| CN110417485B (en) | Standing-wave ratio detection method and device, computer equipment and readable storage medium | |
| CN201590907U (en) | Device for automatic power calibration for TD-CDMA transmitter module | |
| CN111382587B (en) | Radio frequency reader-writer, test signal selection method and storage medium | |
| CN113890640B (en) | Test system construction method, device, equipment and storage medium | |
| CN114062791B (en) | Method and device for testing beam pointing direction of injection mode measurement electronic equipment | |
| CN111224723B (en) | Calibration method and system of radio frequency front-end module, electronic equipment and storage medium | |
| CN111398678B (en) | Method and device for testing carrier crosstalk inhibition index of satellite-borne phased-array antenna | |
| CN111064533B (en) | Time delay measurement system, time delay measurement method, electronic device, and storage medium | |
| CN113109774A (en) | System for simultaneously carrying out radio frequency aging on T/R assembly receiving and transmitting states | |
| CN114614926B (en) | Simulation test method and device of communication system and electronic equipment | |
| CN110337123B (en) | Uplink power control method, system and test system | |
| CN104796687A (en) | Testing device for frequency mixer of distributed cable mode termination system | |
| CN112881992A (en) | Channel amplitude and phase consistency self-checking method and device and computer equipment | |
| CN113271619B (en) | ACPR test method, device, system, electronic equipment and storage medium | |
| CN115225173B (en) | Wireless connection performance testing method and device, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |