CN106230486A - Power line carrier communication performance automatic test system - Google Patents
Power line carrier communication performance automatic test system Download PDFInfo
- Publication number
- CN106230486A CN106230486A CN201610835019.7A CN201610835019A CN106230486A CN 106230486 A CN106230486 A CN 106230486A CN 201610835019 A CN201610835019 A CN 201610835019A CN 106230486 A CN106230486 A CN 106230486A
- Authority
- CN
- China
- Prior art keywords
- test
- equipment
- power line
- line carrier
- communication performance
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Abstract
The present invention relates to carrier communication field, disclose a kind of power line carrier communication performance automatic test system, to realize the automatic test of power line carrier communication performance.This system includes that the test main side with power line carrier communication and test are from end, this system also includes the ethernet test subsystem being connected with described test main side and test from end, described ethernet test subsystem includes Ethernet switch and the control main frame of connection thereof and overlaps symmetrical test equipment corresponding to described test main side and test from the two of end, each described test equipment connects one to one from the bonder of end with described test main side and test, and the bonder of described test main side is symmetrical from the bonder of end with described test.
Description
Technical field
The present invention relates to carrier communication field, particularly relate to a kind of power line carrier communication performance automatic test system
System.
Background technology
Domestic from the beginning of 1996, power line carrier communication is applied to low pressure centralized automatic meter-reading (abbreviation low-voltage collecting meter reading), and field is
There is the time of nearly 20 years, from the arrowband low-speed power line that the single-carrier modulated of initial FSK or PSK modulation, traffic rate are relatively low
Carrier communication (traffic rate is typically at below 10kbps), to OFDM modulation, the of a relatively high narrow-band high-speed electric power of traffic rate
Line carrier communication (traffic rate is typically at more than 10kbps below 1Mbps), widely should be obtained in low-voltage collecting meter reading field
With.Along with the policy of the strong intelligent grid of nation-building is put into effect, (OFDM modulates the broadband power line carrier of higher rate, communication
Speed is at more than 1Mbps) have also been obtained development, and substituted arrowband low speed and the trend of narrow-band high-speed power line carrier communication.
The companies such as high pass, Mstar, Huawei Hai Si are proposed broadband power line carrier chip based on HomePlug international standard,
Broadband power line carrier communication products based on these chip development also have a small amount of application in low-voltage collecting meter reading system.Broadband power
Line carrier communication production producer, needs by (broadband power line carrier communication chip is generally used chip producer
Demo evaluation board) communication performance carry out test assessment, thus select the chip development of optimal communication performance to communicate accordingly product
Product.Utilities Electric Co. is when selecting broadband power line carrier communication products application in low-voltage collecting meter reading system, it is also desirable to broadband power
The communication performance of line carrier communication product carries out test assessment.Arrowband low speed and the survey of narrow-band high-speed power line carrier communication performance
The method of testing of the existing relative maturity of examination assessment and test system, but also do not have Auto-Test System.Owing to broadband power line carries
It is the most later that wave communication is applied to low-voltage collecting meter reading field, also do not have be specifically designed for broadband power line carrier communication performance test be
System, the test great majority of broadband power line carrier communication performance still adopt narrow-band power line carrier communication performance test system,
Having some limitations, it is not the most accurate for causing test result.
Summary of the invention
Present invention aim at open a kind of power line carrier communication performance automatic test system, to realize power line carrier
The automatic test of communication performance.
For achieving the above object, the open a kind of power line carrier communication performance automatic test system of the present invention, including test
Main side and test are from end, and the carrier equipment that described test main side connects is carrier wave main equipment, the carrier wave that described test connects from end
Equipment be carrier wave from equipment, described carrier wave main equipment and described carrier wave from equipment with power line carrier communication；This system also includes
The ethernet test subsystem being connected from end with described test main side and test, described ethernet test subsystem includes Ethernet
Switch and connection thereof control main frame and corresponding to described test main side and test from the symmetrical test equipment of two sets of end,
Each described test equipment connects one to one from the bonder of end with described test main side and test, and the coupling of described test main side
Clutch and described test are symmetrical from the bonder of end.
Based on said system framework, the test automatically for power line carrier communication performance provides hardware foundation.And depend on
Hold in the palm this framework, relative analysis easily can test main side and the test data from end, and guarantee to test main side and test from end institute
The synchronicity of sampled data, and then improve the accurate rate of test, reduce error.
In the present invention, above-mentioned control main frame is complete for controlling described test equipment by Ethernet and corresponding control protocol
Pairwise testing main side and test are from the test of end, and this control host loads has testing system software, and this testing system software includes:
Human-computer interaction interface；
Ethernet interface driver, for providing the interface support of testing system software and Ethernet；
Parameter setting module, for providing the parameter of test system to arrange support, the parameter including test event arranges, surveys
The setting of test system software；
Test device control module, for being controlled each described test equipment and process, it is achieved communication performance is tested
The process of flow process and the preservation of result and output；And
Management module, is uniformly coordinated for module each to testing system software and manages.
Preferably, above-mentioned test device control module is additionally operable to control test by the control unit corresponding with attenuator
Main side and the pad value of test communication link between end.
To sum up, above-mentioned test system disclosed in this invention can be specifically designed for the feature of broadband power line carrier communication,
The communication performance of broadband power line carrier communication product is tested automatically.During concrete operations, only test parameter need to be carried out
Arranging, follow-up whole test process participates in without artificial.What deserves to be explained is, by parameter designing, this test system is the suitableeest
For the test of narrowband carrier communication performance, therefore this system has the most compatible and autgmentability.
Below with reference to accompanying drawings, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is power line carrier communication performance automatic test system Organization Chart disclosed in the preferred embodiment of the present invention；
Fig. 2 is the disclosed logic controlling the ATS software that main frame loads and runs of the preferred embodiment of the present invention
Block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims
Implement with the multitude of different ways covered.
Embodiment 1
The open a kind of power line carrier communication performance automatic test system of the embodiment of the present invention, as it is shown in figure 1, this system bag
Include:
Test main side and test with power line carrier communication are from end, and wherein, the carrier equipment that this test main side connects is
Carrier wave main equipment, this test from the carrier equipment that end connects be carrier wave from equipment, this carrier wave main equipment and this carrier wave from equipment with
Power line carrier communication；And with test main side and test from end be connected ethernet test subsystem (i.e. illustrate test
Auxiliary equipment).
Wherein, the test main side shown in Fig. 1 is provided with connect that the main equipment test position of carrier wave main equipment electrically connects with city the
One alternating current steady voltage plug (i.e. alternating current steady voltage plug 1 in diagram) and the bonder connected one to one with corresponding test equipment
(i.e. bonder 1 in diagram, bonder 2, bonder 3), main equipment test position is connected with respectively this bonder wire and warp successively
Oneth LISN (i.e. LISN-1 in diagram) and the first isolator (i.e. isolator 1 in diagram) connect the first AC voltage-stabilizing electricity
Source.Wherein, LISN is the abbreviation of Line Impedance Stabilization Network, i.e. line impedance stabilization net work.
In like manner, the test shown in Fig. 1 is provided with from end and connects carrier wave from equipment electrically connect with city from equipment test position the
Two alternating current steady voltage plugs (i.e. alternating current steady voltage plug 2 in diagram) and the bonder connected one to one with corresponding test equipment
(i.e. bonder 4 in diagram, bonder 5, bonder 6), is connected with respectively this bonder wire from equipment test position and warp successively
2nd LISN (i.e. LISN-2 in diagram) and the second isolator (i.e. isolator 2 in diagram) connect the second AC voltage-stabilizing electricity
Source.
In the present embodiment, above-mentioned carrier wave main equipment can be broadband power line carrier main equipment, it is also possible to be arrowband electricity
Line of force carrier wave main equipment；In like manner, above-mentioned carrier wave can also be that broadband power line carrier carries from equipment or arrowband electric lines of force from equipment
Ripple is from equipment.
As it is shown in figure 1, the ethernet test subsystem in the present embodiment includes the control of Ethernet switch and connection thereof
Main frame (being illustrated as PC) and corresponding to test main side and test from the two symmetrical test equipment of set of end, each test equipment with
Test main side connects one to one from the bonder of end with test, and tests the bonder of main side and the bonder pair tested from end
Claim distribution.Test equipment in figure includes: oscillograph 1, oscillograph 2, audiofrequency spectrometer 1, audiofrequency spectrometer 2, signal generator 1 and signal are sent out
Raw device 2.Further, the ethernet test subsystem disclosed in the present embodiment also includes being connected to test main side with test from end
Between programmable attenuator and the control unit of correspondence, programmable attenuator connects Ethernet switch through control unit, and control
Unit processed is also connected with the carrier wave main equipment in test main side, is controlled described by the control unit corresponding with attenuator with this
Test main side and the pad value of test communication link between end.Preferably, this programmable attenuator and the carrier wave testing main side
Being provided with bonder between main equipment, in like manner, this programmable attenuator and test carrier wave between end also are provided with coupling between equipment
Clutch.
Preferably, test system disclosed by the invention can also be further provided with at least one shielded box with accommodating test master
End and test at least one end from end, optionally, test main side in shielded box and/or test from end with BNC (Bayonet
Nut Connector, snap-fit adapter) interface and corresponding test equipment connects.In the present embodiment, as it is shown in figure 1,
This shielded box is preferably provided to be tested from end, is distinguished with ELECTROMAGNETIC RADIATION SIGNATURE by power line carrier signal with this, it is to avoid test
Test is interfered by the ELECTROMAGNETIC RADIATION SIGNATURE of main side from the reception signal of end, improves the accurate rate of test data.
Optionally, as it is shown in figure 1, the effect of the detailed annexation of said system and functional module is as follows:
In test main side: civil power, is isolated for testing the 220V alternating current power supply that main side provides stable by alternating current steady voltage plug 1
The interference of electrical network input isolated by device 1, and LISN-1 provides the electric power environmental of impedance stabilization for bandwidth carrier main equipment.Bandwidth carrier master
Equipment, bonder 1, bonder 2 are connected with the forceful electric power terminal of LISN-1 by electric lines of force with the forceful electric power terminal of bonder 3.
The light current terminal (BNC connector) of LISN-1 is connected with audiofrequency spectrometer 1 by coaxial shielding line.(BNC connects the light current terminal of bonder 1
Head) it is connected with programmable attenuator by coaxial shielding line.The light current terminal (BNC connector) of bonder 2 by coaxial shielding line with
Signal generator 1 connects.The light current terminal (BNC connector) of bonder 3 is connected with oscillograph 1 by coaxial shielding line.Broadband carries
Ripple main equipment UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter)
Data-interface is connected with the UART data-interface of control unit by data wire.
In test from end: civil power passes through alternating current steady voltage plug 2 for test from holding the 220V alternating current power supply providing stable, isolation
The interference of electrical network input isolated by device 2, and LISN-2 provides the electric power environmental of impedance stabilization for bandwidth carrier from equipment.Bandwidth carrier from
The forceful electric power terminal of equipment, bonder 4, bonder 5 and bonder 6 is connected with the forceful electric power terminal of LISN-2 by electric lines of force.LISN-
The light current terminal of 2 is connected with audiofrequency spectrometer 2 by the BNC2 joint on coaxial shielding line and shielded box.The light current terminal of bonder 4
It is connected with programmable attenuator by the BNC4 joint on coaxial shielding line and shielded box.The light current terminal of bonder 5 is by coaxial
BNC3 joint on shielding line and shielded box is connected with signal generator 2.The light current terminal of bonder 6 by coaxial shielding line and
BNC1 joint on shielded box is connected with oscillograph 2.
At ethernet test subsystem: two oscillographs (1,2), two audiofrequency spectrometers (1,2), two signal generators (1,
2) and control unit is connected with PC by Ethernet interface and Ethernet switch respectively, networking Ethernet, mutually enter
Row data exchange.
Based on said system framework, the test automatically for power line carrier communication performance provides hardware foundation.And depend on
Hold in the palm this framework, relative analysis easily can test main side and the test data from end, and guarantee to test main side and test from end institute
The synchronicity of sampled data, and then improve the accurate rate of test, reduce error.
In the present embodiment, above-mentioned control main frame completes for controlling test equipment by Ethernet and corresponding control protocol
Testing system software, testing system software is had to include from the test of end, control host loads test main side and test:
Human-computer interaction interface.
Ethernet interface driver, for providing the interface support of testing system software and Ethernet.
Parameter setting module, for providing the parameter of test system to arrange support, the parameter including test event arranges, surveys
The setting of test system software.
Test device control module, for being controlled each test equipment and process, it is achieved communication performance testing process
Process and the preservation of result and output.Further, this test device control module is additionally operable to by corresponding with attenuator
Control unit controls to test main side and the pad value of test communication link between end.Optionally, above-mentioned communication performance is surveyed
Examination includes carrier operation frequency band, transmit power spectrum density, receiving sensitivity, anti-decay property, noise proof feature, communicates into
Any one or combination in any in power.
Management module, is uniformly coordinated for module each to testing system software and manages.
Further, this systems soft ware can also arrange test report and generate and output module, to complete in test job
After, test result is had report and exports in the hard disk being stored in PC.
Fig. 2 shows the testing system software block diagram that a kind of division of labor more refines, and does above-mentioned test device control module
Further fractionation, the framework division of labor after fractionation is clearer and more definite, thus the more conducively exploitation of software and maintenance, and then improve this survey
The stability of test system software and reliability.Concrete, above-mentioned test device control module is split into:
It is respectively directed to each test equipment and associate device is controlled and the oscillograph that processes controls processing module, audiofrequency spectrometer
Control processing module, signal generator controls processing module and control unit controls processing module；And
It is respectively directed to the receiving sensitivity test module of the properties of test, communication success rate test module, antinoise
Jamming performance test module, anti-decay property test module, transmit power spectrum density and communication band test module etc..
To sum up, the above-mentioned test system disclosed in the present embodiment can be specifically designed for the spy of broadband power line carrier communication
Point, tests automatically to the communication performance of broadband power line carrier communication product.During concrete operations, only test parameter need to be entered
Row is arranged, and follow-up whole test process participates in without artificial.What deserves to be explained is, by parameter designing, this test system is same
Being applicable to the test of narrowband carrier communication performance, therefore this system has the most compatible and autgmentability.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a power line carrier communication performance automatic test system, including test main side with test from end, described test main side
Connect carrier equipment be carrier wave main equipment, described test from end connect carrier equipment be carrier wave from equipment, described carrier wave master
Equipment and described carrier wave from equipment with power line carrier communication；It is characterized in that, this system also include with described test main side and
Testing the ethernet test subsystem connected from end, described ethernet test subsystem includes Ethernet switch and connection thereof
Control main frame and corresponding to described test main side and test from the two symmetrical test equipment of set of end, each described test equipment with
Described test main side and test connect one to one from the bonder of end, and the bonder of described test main side and described test from
The bonder of end is symmetrical.
Power line carrier communication performance automatic test system the most according to claim 1, it is characterised in that described test master
End is provided with and connects the main equipment of described carrier wave main equipment and test position and the first alternating current steady voltage plug that city electrically connects and with corresponding
The bonder that described test equipment connects one to one, described main equipment test position is connected with respectively this bonder wire and warp successively
Oneth LISN and the first isolator connect described first alternating current steady voltage plug.
Power line carrier communication performance automatic test system the most according to claim 1, it is characterised in that described test from
End be provided with connect described carrier wave from equipment from equipment test position and the second alternating current steady voltage plug that city electrically connects and with corresponding
The bonder that described test equipment connects one to one, described is connected with respectively this bonder wire from equipment test position and warp successively
2nd LISN and the second isolator connect described second alternating current steady voltage plug.
4. according to the power line carrier communication performance automatic test system described in Claims 2 or 3, it is characterised in that described load
Ripple main equipment and described carrier wave are respectively broadband power line carrier main equipment and broadband power line carrier from equipment from equipment.
5. according to the arbitrary described power line carrier communication performance automatic test system of claims 1 to 3, it is characterised in that institute
State any one or combination in any that test equipment includes in oscillograph, audiofrequency spectrometer and signal generator.
Power line carrier communication performance automatic test system the most according to claim 5, it is characterised in that described Ethernet
Test subsystems also includes being connected to described test main side and the programmable attenuator tested between end and corresponding control list thereof
Unit, described programmable attenuator through described control unit connect described Ethernet switch, and described control unit also with described load
Ripple main equipment connects.
7. according to the arbitrary described power line carrier communication performance automatic test system of claims 1 to 3, it is characterised in that also
It is provided with at least one shielded box with accommodating described test main side and at least one end tested from end.
Power line carrier communication performance automatic test system the most according to claim 7, it is characterised in that described shielded box
Interior described test main side and/or test connect with corresponding described test equipment with bnc interface from end.
9. according to the arbitrary described power line carrier communication performance automatic test system of claims 1 to 3, it is characterised in that institute
State control main frame for by Ethernet and corresponding control protocol control described test equipment complete described test main side and
Testing the test from end, described control host loads has testing system software, described testing system software to include:
Human-computer interaction interface；
Ethernet interface driver, for providing the interface support of testing system software and Ethernet；
Parameter setting module, for providing the parameter of test system to arrange support, the parameter including test event arranges, tests system
The setting of system software；
Test device control module, for being controlled each described test equipment and process, it is achieved communication performance testing process
Process and the preservation of result and output；And
Management module, is uniformly coordinated for module each to testing system software and manages.
Power line carrier communication performance automatic test system the most according to claim 9, it is characterised in that described communication
Performance test include carrier operation frequency band, transmit power spectrum density, receiving sensitivity, anti-decay property, noise proof feature,
Any one or combination in any in communication success rate；
It is main that wherein said test device control module is additionally operable to control described test by the control unit corresponding with attenuator
End and the pad value of test communication link between end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835019.7A CN106230486A (en) | 2016-09-20 | 2016-09-20 | Power line carrier communication performance automatic test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835019.7A CN106230486A (en) | 2016-09-20 | 2016-09-20 | Power line carrier communication performance automatic test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230486A true CN106230486A (en) | 2016-12-14 |
Family
ID=58076186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835019.7A Pending CN106230486A (en) | 2016-09-20 | 2016-09-20 | Power line carrier communication performance automatic test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106230486A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302244A (en) * | 2018-10-23 | 2019-02-01 | 国网天津市电力公司电力科学研究院 | A kind of low-voltage powerline carrier communication unit communication ability detection method and system |
| CN112486056A (en) * | 2020-10-30 | 2021-03-12 | 国网山东省电力公司日照供电公司 | Cell dual-power operation mode detection device and working method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202340226U (en) * | 2011-06-30 | 2012-07-18 | 珠海中慧微电子有限公司 | Fully automatic test device for performance indexes of power line carrier communication |
| CN105356909A (en) * | 2015-10-16 | 2016-02-24 | 瑞斯康微电子（深圳）有限公司 | Power line carrier communication performance detection device |
| CN205070993U (en) * | 2015-10-30 | 2016-03-02 | 厦门中天微电子科技有限公司 | Power line communication module testing arrangement |
| CN206060755U (en) * | 2016-09-20 | 2017-03-29 | 湖南华烨智能通信技术股份有限公司 | Power line carrier communication performance automatic test system |
-
2016
- 2016-09-20 CN CN201610835019.7A patent/CN106230486A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202340226U (en) * | 2011-06-30 | 2012-07-18 | 珠海中慧微电子有限公司 | Fully automatic test device for performance indexes of power line carrier communication |
| CN105356909A (en) * | 2015-10-16 | 2016-02-24 | 瑞斯康微电子（深圳）有限公司 | Power line carrier communication performance detection device |
| CN205070993U (en) * | 2015-10-30 | 2016-03-02 | 厦门中天微电子科技有限公司 | Power line communication module testing arrangement |
| CN206060755U (en) * | 2016-09-20 | 2017-03-29 | 湖南华烨智能通信技术股份有限公司 | Power line carrier communication performance automatic test system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302244A (en) * | 2018-10-23 | 2019-02-01 | 国网天津市电力公司电力科学研究院 | A kind of low-voltage powerline carrier communication unit communication ability detection method and system |
| CN112486056A (en) * | 2020-10-30 | 2021-03-12 | 国网山东省电力公司日照供电公司 | Cell dual-power operation mode detection device and working method thereof |
| CN112486056B (en) * | 2020-10-30 | 2023-02-17 | 国网山东省电力公司日照供电公司 | Cell dual-power operation mode detection device and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9615270B2 (en) | Intelligent power utilization communication product detecting system | |
| Canete et al. | A channel model proposal for indoor power line communications | |
| Barmada et al. | A wavelet based method for the analysis of impulsive noise due to switch commutations in power line communication (PLC) systems | |
| Smolenski et al. | Time-domain-based assessment of data transmission error probability in smart grids with electromagnetic interference | |
| CN110299932B (en) | Power distribution network and equipment running state online identification method based on power line signal | |
| CN105634550A (en) | Carrier wave communication success rate testing system and method | |
| CN106789328A (en) | Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform | |
| CN107294562B (en) | Low-voltage power carrier module simulation detection device | |
| CN102985834A (en) | Network topology | |
| CN112630585A (en) | Distribution cable partial discharge live detection system and detection method | |
| CN110609183A (en) | IVI technology-based identification module and automatic test system of complete machine | |
| CN106338653B (en) | Partial discharge typical interference simulation device | |
| CN108155921A (en) | System is tested in a kind of power wire broadband carrier communication networking | |
| CN106230486A (en) | Power line carrier communication performance automatic test system | |
| CN207022002U (en) | Power line carrier module analoging detecting device | |
| CN213547859U (en) | Dual-mode communication test system | |
| CN206060755U (en) | Power line carrier communication performance automatic test system | |
| CN107733466A (en) | Signal source device based on broadband power line carrier communication test | |
| CN102201880B (en) | Test apparatus oriented to intelligent measuring communication | |
| He et al. | Modeling of broadband power line communication channel based on transmission line theory and radiation loss | |
| Nateghi et al. | Susceptibility of power line communication (PLC) Channel to DS, AM and Jamming Intentional Electromagnetic Interferences | |
| De Dominicis et al. | Characterization of multi-standard power line communication on low-voltage grid | |
| CN110581720B (en) | Testing device, system and testing method for converting G.hn PLC power line into coaxial line | |
| Hallak et al. | Time variant voltage and current modeling corresponding to access impedance measurements | |
| Artale et al. | Development of a coupling system for medium voltage power line communication in the CENELEC A frequency band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
|
| RJ01 | Rejection of invention patent application after publication |