CN107395391A - A kind of low-voltage power line bandwidth carrier system for testing unification of communication protocol and method - Google Patents
A kind of low-voltage power line bandwidth carrier system for testing unification of communication protocol and method Download PDFInfo
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- CN107395391A CN107395391A CN201710422133.1A CN201710422133A CN107395391A CN 107395391 A CN107395391 A CN 107395391A CN 201710422133 A CN201710422133 A CN 201710422133A CN 107395391 A CN107395391 A CN 107395391A
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- 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
- H04L41/14—Network analysis or design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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Abstract
The present invention relates to low-voltage power line bandwidth carrier system for testing unification of communication protocol and method, the system includes：Software platform, it is used for management of test cases, selects use-case operation, and record system running log, calculates the uniformity of bandwidth carrier communication equipment behavior to be measured and standard agreement；Transparency physical access unit, it is responsible for transmission test command and is reported to software platform to carrier channel, and by the communication message of carrier channel；Carrier wave bus channel access unit, it is used to simulate live carrier communication scene, and test environment is provided for bandwidth carrier communication equipment to be measured；Devices to test application interface monitoring unit, it is used for the upper layer application service for simulating bandwidth carrier communication equipment to be measured, and monitors communication behavior and the business conduct of bandwidth carrier communication equipment to be measured.
Description
Technical field
The present invention relates to power information to gather field, and leads to more particularly, to a kind of low-voltage power line bandwidth carrier
Believe Protocol Conformance Test System and method.
Background technology
The local communication mode commonly used at present in power information acquisition system mainly has low-voltage powerline carrier communication, RS-
A variety of communication technologys such as 485 communications, micro power radio communication.Voltage power-line carrier communication technology refers to match somebody with somebody using 220V power frequencies
Power network transmits the communication technology of high frequency weak electric signal.Because power line network is widely distributed, therefore power line is used as logical
Letter medium rebuilds communication network without punching wiring indoors, has the advantages that cost is cheap, easy to connect, in intelligent electricity
Received more and more attention in terms of net and broadband access.
Communication channel is the basis of communication, and identical with radio communication, the performance of power line communication is mainly led to by power line
Believe the restriction of channel.More than 10kV high-voltage power line channel circumstance is preferable, and signal transmission passage is used as using medium and high voltage power line
Power line carrier telephone system have been obtained for being widely applied.Low-tension network does not design for transmitting high speed data, its
The component for forming power network is reliably to transmit low-frequency current according to the loss reduction and guarantee of conveying electric energy and design, therefore
The problem of many can be faced when carrying out signal transmission on low-voltage line, such as：Interference noise is complicated, line impedance is small, signal declines
Subtract strong etc..
Therefore, how to ensure that low-voltage powerline carrier communication protocol conformance is communicated with regard to turning into using low-voltage power line
One problem of urgent need to resolve.
The content of the invention
In order to solve above mentioned problem existing for background technology, the present invention provides a kind of low-voltage power line bandwidth carrier communication protocols
Consistency testing system is discussed, the system includes：
Software platform, it is used for management of test cases, selects use-case operation, and record system running log, calculates to be measured
The behavior of bandwidth carrier communication equipment and the uniformity of standard agreement；
Transparency physical access unit, it is responsible for sending test command to carrier channel, and by the communication message of carrier channel
Be reported to software platform；
Carrier wave bus channel access unit, it is used to simulate live carrier communication scene, is set for bandwidth carrier to be measured communication
It is standby that test environment is provided；
Devices to test application interface monitoring unit, it is used for the upper layer application clothes for simulating bandwidth carrier communication equipment to be measured
Business, and monitor communication behavior and the business conduct of bandwidth carrier communication equipment to be measured.
Preferably, bandwidth carrier communication equipment to be measured is located at Devices to test application interface monitoring unit and carrier communication bus
Between access unit.
Preferably, the low-voltage power line bandwidth carrier unification of communication protocol test includes the survey of PHY uniformity
Examination, link layer protocol uniformity test and application layer protocol uniformity test.
Preferably, the software platform is based on TTCN-3.
According to another aspect of the present invention, the present invention provides a kind of low-voltage power line bandwidth carrier unification of communication protocol and surveyed
Method for testing, methods described include：
Communication scenes to be measured are selected, i.e., application layer, link layer and physics to be tested are selected according to testing requirement, software platform
The specific test scene of layer；
Initiate the communication scenes testing protocol consistency of selection, i.e., software platform is according to the surveys of chosen communication scenes
Example on probation, start the interbehavior of use-case；
The simulation of the communication scenes of selection is carried out, i.e., according to testing requirement, by software platform and transparency physical access unit
The communication behavior of all communication nodes outside bandwidth carrier communication equipment to be measured is simulated, by software platform and Devices to test application
The upper layer application business of interface monitoring unit simulation communication equipment to be measured；
Software platform records the communication behavior of the carrier wave bus channel in whole test process, and bandwidth carrier to be measured leads to
Believe the communication conduct and business conduct of equipment application interface, and form daily record；
Software platform terminates test activity and formally generated all after the interbehavior of test case is all finished
Log recording；
Recorded according to the communication of generation and business diary, according to the agreement in standard agreement, determine that bandwidth carrier to be measured leads to
Believe the protocol conformance of equipment.
Preferably, PHY uniformity test includes receiving uniformity test and sends uniformity test.
Preferably, PHY uniformity test case designing includes：
Frequency Band Selection scope is that 2~12M primary bands, 2~6M primary bands, 2~12M trap frequencies or 2~6M are fallen into
Wave frequency section；
Communication pattern range of choice is the totally 15 kinds of communication modes of basic communication pattern 0~14；
Mode of extension range of choice is the totally 10 kinds of communication modes of expanding communication pattern 1~14；
Physical block range of choice is 1~4.
Preferably, link layer protocol uniformity test case designing includes：
Communication node Type Range is host node to be measured or all link layer behaviors from node；
Communication-hierarchy level range of choice is 1~15 grade of communication node；
Link layer traffic Type Range for test internetwork coordination, networking registration, routing forwarding, routing management, routing change,
Route maintenance and channel access；
Correct and abnormal traffic range of choice is normal use-case, abnormal use-case, uncorrelated use-case test scene.
Preferably, application layer protocol uniformity test case designing includes：
Ammeter is registered：Table is searched to the electric energy meter progress in taiwan area automatically to report；
Cycle meter reading：The collection of cycle freezing information is carried out to the electric energy meter in taiwan area；
Happen suddenly meter reading：The monitor command operation to be happened suddenly to the electric energy meter in taiwan area；
Concurrent meter reading：Concurrent meter reading is carried out to the electric energy meter in taiwan area, improves collecting efficiency；
Converge meter reading：The unified of public gathered data is carried out to the electric energy meter in taiwan area to gather；
Reporting events：The active reporting of event is carried out to the electric energy meter in taiwan area；
When broadcasting school：Enter the check and correction of row clock to the electric energy meter in taiwan area.
In summary, the system and method for test low-voltage power line bandwidth carrier unification of communication protocol provided by the invention
By simulating all kinds of scenes in actual low-voltage power line bandwidth carrier communication network environment, treated under the Realization of Simulation special scenes
The communication behavior of all communication nodes outside bandwidth carrier communication equipment is surveyed, while monitoring record bandwidth carrier communication equipment to be measured exists
The communication behavior of carrier wave bus and backend application interface channel under the scene, according to the communication of bandwidth carrier communication equipment to be measured
Behavior record assesses bandwidth carrier communication equipment uniformity of communication behavior and standard agreement under the scene to be measured.And system
According to the hierarchy of low-voltage power line bandwidth carrier communication protocol, the test of physical layer, link layer, application layer has been separately designed
Use-case, physical layer, link layer, the testing protocol consistency of application layer can be carried out to bandwidth carrier communication equipment to be measured and is verified,
Preferably solve technical problem proposed by the present invention, ensure that the uniformity of low-voltage powerline carrier communication agreement.
Brief description of the drawings
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by：
Fig. 1 is the knot of the low-voltage power line bandwidth carrier system for testing unification of communication protocol of the specific embodiment of the invention
Composition；
Fig. 2 is the stream of the low-voltage power line bandwidth carrier Communication Protocol Conformance Testing Methodology of the specific embodiment of the invention
Cheng Tu；
Fig. 3 is that the physical layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention is surveyed
The schematic diagram of the reception protocol conformance of examination；
Fig. 4 is that the physical layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention is surveyed
The schematic diagram of the transmission protocol conformance of examination；
Fig. 5 is the link layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention
The schematic diagram of test；And
Fig. 6 is the application layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention
The schematic diagram of test.
Embodiment
The illustrative embodiments of the present invention are introduced with reference now to accompanying drawing, however, the present invention can use many different shapes
Formula is implemented, and is not limited to embodiment described herein, there is provided these embodiments are to disclose at large and fully
The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements are attached using identical
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has to person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, be appreciated that and its
The linguistic context of association area has consistent implication, and is not construed as Utopian or overly formal meaning.
Fig. 1 is the knot of the low-voltage power line bandwidth carrier system for testing unification of communication protocol of the specific embodiment of the invention
Composition.As shown in figure 1, the system 100 of test low-voltage power line bandwidth carrier unification of communication protocol of the present invention includes：
Software platform 101, it is used for management of test cases, selects use-case operation, and record system running log, calculating are treated
Survey the uniformity of the behavior of bandwidth carrier communication equipment and standard agreement；
Transparency physical access unit 102, it is responsible for sending test command to carrier channel, and by the communication report of carrier channel
Text is reported to software platform；
Carrier wave bus channel access unit 103, it is used to simulate live carrier communication scene, is communicated for bandwidth carrier to be measured
Equipment provides test environment；
Devices to test application interface monitoring unit 104, it is used for the upper layer application for simulating bandwidth carrier communication equipment to be measured
Service, and monitor communication behavior and the business conduct of bandwidth carrier communication equipment to be measured.
Preferably, bandwidth carrier communication equipment to be measured is located at Devices to test application interface monitoring unit 104 and carrier communication
Between bus access unit 103.
Preferably, the low-voltage power line bandwidth carrier unification of communication protocol test includes the survey of PHY uniformity
Examination, link layer protocol uniformity test and application layer protocol uniformity test.
Preferably, the software platform is based on TTCN-3.
Fig. 2 is the stream of the low-voltage power line bandwidth carrier Communication Protocol Conformance Testing Methodology of the specific embodiment of the invention
Cheng Tu.As shown in Fig. 2 the method 200 of test low-voltage power line bandwidth carrier unification of communication protocol is since step 201.
In step 201, communication scenes to be measured are selected, i.e., according to testing requirement, software platform selection application layer to be tested, chain
The specific test scene of road floor and physical layer；
In step 202, the communication scenes testing protocol consistency of selection is initiated, i.e., software platform is according to chosen logical
Believe the test case of scene, start the interbehavior of use-case；
In step 203, the simulation of the communication scenes of selection is carried out, i.e., according to testing requirement, by software platform and transparency
The communication behavior that access unit simulates all communication nodes outside bandwidth carrier communication equipment to be measured is managed, by software platform and is treated
Measurement equipment application interface monitoring unit simulates the upper layer application business of communication equipment to be measured；
In step 204, software platform records the communication behavior of the carrier wave bus channel in whole test process, and to be measured
The communication conduct and business conduct of bandwidth carrier communication equipment application interface, and form daily record；
In step 205, software platform terminates test activity and just after the interbehavior of test case is all finished
The whole log recording of formula generation；
In step 206, recorded according to the communication of generation and business diary, according to the agreement in standard agreement, determined to be measured
The protocol conformance of bandwidth carrier communication equipment.
Preferably, PHY uniformity test includes receiving uniformity test and sends uniformity test.
Fig. 3 is that the physical layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention is surveyed
The schematic diagram of the reception protocol conformance of examination.As shown in figure 3, by order, enter bandwidth carrier communication equipment to be measured transparent
Forward mode, frame control head/load that physical layer is received (Frame Control, FC/Payload) are carried by broadband to be measured
Serial ports on communications apparatus, is forwarded to software platform.Software platform is by comparing the data of transmission and receiving the difference of data
It is different, communication success rate is calculated, test packet must use broadcasting packet, avoid receiving terminal from sending acknowledgement frame.
Fig. 4 is that the physical layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention is surveyed
The schematic diagram of the transmission protocol conformance of examination.As shown in figure 4, by order, bandwidth carrier communication equipment to be measured is set to enter passback
Pattern, bandwidth carrier communication equipment to be measured in this mode, unconditionally return the message of reception.Software platform, which passes through, to be compared
The data of transmission and the difference for receiving data, calculate communication success rate.With uniformity test is received, test packet must use
Broadcasting packet, receiving terminal is avoided to send acknowledgement frame.
Preferably, PHY uniformity test case designing includes：
Frequency Band Selection scope is that 2~12M primary bands, 2~6M primary bands, 2~12M trap frequencies or 2~6M are fallen into
Wave frequency section；
Communication pattern range of choice is the totally 15 kinds of communication modes of basic communication pattern 0~14；
Mode of extension range of choice is the totally 10 kinds of communication modes of expanding communication pattern 1~14；
Physical block range of choice is 1~4.
Fig. 5 is the link layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention
The schematic diagram of test.As shown in figure 5, the central coordinator simulated by software platform in the tested network topology for designing access is led
Node bandwidth carrier communication module (Coodinator, CCO), agent coordinator are the child node broadband for possessing via node identity
Carrier communication module (Proxy Coodinator/PCO) and website are tip child node bandwidth carrier communication module (Station/
STA), the dependence test of the behaviors such as networking is carried out, according to the test record in software platform, judges correlated results.
Preferably, link layer protocol uniformity test case designing includes：
Communication node Type Range is host node to be measured or all link layer behaviors from node；
Communication-hierarchy level range of choice is 1~15 grade of communication node；
Link layer traffic Type Range for test internetwork coordination, networking registration, routing forwarding, routing management, routing change,
Route maintenance and channel access；
Correct and abnormal traffic range of choice is normal use-case, abnormal use-case, uncorrelated use-case test scene.
Fig. 6 is the application layer protocol uniformity of the low-voltage power line bandwidth carrier communication protocol of the specific embodiment of the invention
The schematic diagram of test.As shown in fig. 6, software platform uniformly simulates front end (host node, the agency of bandwidth carrier communication equipment to be measured
From node, tip from node) and rear end equipment (concentrator/ammeter).Headend equipment and the interactive command of rear end equipment are by software
Corresponding module is produced on platform, and transceiving data is recorded by platform is unified, and judges test result.
Preferably, application layer protocol uniformity test case designing includes：
Ammeter is registered：Table is searched to the electric energy meter progress in taiwan area automatically to report；
Cycle meter reading：The collection of cycle freezing information is carried out to the electric energy meter in taiwan area；
Happen suddenly meter reading：The monitor command operation to be happened suddenly to the electric energy meter in taiwan area；
Concurrent meter reading：Concurrent meter reading is carried out to the electric energy meter in taiwan area, improves collecting efficiency；
Converge meter reading：The unified of public gathered data is carried out to the electric energy meter in taiwan area to gather；
Reporting events：The active reporting of event is carried out to the electric energy meter in taiwan area；
When broadcasting school：Enter the check and correction of row clock to the electric energy meter in taiwan area.
Normally, all terms used in the claims are all solved according to them in the usual implication of technical field
Release, unless clearly being defined in addition wherein.All references " one/described/be somebody's turn to do【Device, component etc.】" all it is opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurately order, unless explicitly stated otherwise.
Claims (9)
1. a kind of low-voltage power line bandwidth carrier system for testing unification of communication protocol, it is characterised in that the system includes：
Software platform, it is used for management of test cases, selects use-case operation, and record system running log, calculates broadband to be measured
Carrier communication equipment behavior and the uniformity of standard agreement；
Transparency physical access unit, it is responsible for transmission test command and reported to carrier channel, and by the communication message of carrier channel
To software platform；
Carrier wave bus channel access unit, it is used to simulate live carrier communication scene, is carried for bandwidth carrier communication equipment to be measured
For test environment；
Devices to test application interface monitoring unit, it is used for the upper layer application service for simulating bandwidth carrier communication equipment to be measured, and
Monitor communication behavior and the business conduct of bandwidth carrier communication equipment to be measured.
2. system according to claim 1, it is characterised in that bandwidth carrier communication equipment to be measured is located at Devices to test application
Between interface monitoring unit and carrier communication bus access unit.
3. system according to claim 1, it is characterised in that the low-voltage power line bandwidth carrier unification of communication protocol
Test includes PHY uniformity test, link layer protocol uniformity test and application layer protocol uniformity test.
4. system according to claim 1, it is characterised in that the software platform is based on TTCN-3.
5. a kind of low-voltage power line bandwidth carrier Communication Protocol Conformance Testing Methodology, it is characterised in that methods described includes：
Communication scenes to be measured are selected, i.e., according to testing requirement, software platform selects application layer to be tested, link layer and physical layer
Specific test scene；
The communication scenes testing protocol consistency of selection is initiated, i.e. software platform is used according to the test of chosen communication scenes
Example, start the interbehavior of use-case；
The simulation of the communication scenes of selection is carried out, i.e., according to testing requirement, is simulated by software platform and transparency physical access unit
The communication behavior of all communication nodes outside bandwidth carrier communication equipment to be measured, by software platform and Devices to test application interface
Monitoring unit simulates the upper layer application business of communication equipment to be measured；
Software platform records the communication behavior of the carrier wave bus channel in whole test process, and bandwidth carrier to be measured communication is set
The communication conduct and business conduct of standby application interface, and form daily record；
Software platform terminates test activity and formally generates the day of whole after the interbehavior of test case is all finished
Will records；
Recorded according to the communication of generation and business diary, according to the agreement in standard agreement, determine that bandwidth carrier communication to be measured is set
Standby protocol conformance.
6. according to the method for claim 5, it is characterised in that PHY uniformity test includes receiving uniformity survey
Examination and transmission uniformity test.
7. according to the method for claim 5, it is characterised in that PHY uniformity test case designing includes：
Frequency Band Selection scope is 2~12M primary bands, 2~6M primary bands, 2~12M trap frequencies or 2~6M traps frequency
Section；
Communication pattern range of choice is the totally 15 kinds of communication modes of basic communication pattern 0~14；
Mode of extension range of choice is the totally 10 kinds of communication modes of expanding communication pattern 1~14；
Physical block range of choice is 1~4.
8. according to the method for claim 5, it is characterised in that link layer protocol uniformity test case designing includes：
Communication node Type Range is host node to be measured or all link layer behaviors from node；
Communication-hierarchy level range of choice is 1~15 grade of communication node；
Link layer traffic Type Range is test internetwork coordination, networking registration, routing forwarding, routing management, routing change, route
Maintenance and channel access；
Correct and abnormal traffic range of choice is normal use-case, abnormal use-case, uncorrelated use-case test scene.
9. according to the method for claim 5, it is characterised in that application layer protocol uniformity test case designing includes：
Ammeter is registered：Table is searched to the electric energy meter progress in taiwan area automatically to report；
Cycle meter reading：The collection of cycle freezing information is carried out to the electric energy meter in taiwan area；
Happen suddenly meter reading：The monitor command operation to be happened suddenly to the electric energy meter in taiwan area；
Concurrent meter reading：Concurrent meter reading is carried out to the electric energy meter in taiwan area, improves collecting efficiency；
Converge meter reading：The unified of public gathered data is carried out to the electric energy meter in taiwan area to gather；
Reporting events：The active reporting of event is carried out to the electric energy meter in taiwan area；
When broadcasting school：Enter the check and correction of row clock to the electric energy meter in taiwan area.
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| CN108233989A (en) * | 2018-01-03 | 2018-06-29 | 深圳市国电科技通信有限公司 | A kind of intelligent grid wideband power carrier communication detecting system and its detection method |
| CN109150654A (en) * | 2018-07-25 | 2019-01-04 | 深圳市吉祥腾达科技有限公司 | A kind of case designing method of the protocol conformance based on path |
| CN109495135A (en) * | 2018-12-07 | 2019-03-19 | 南京南瑞微电子技术有限公司 | A kind of debugging system and method based on power line carrier communication |
| CN109613467A (en) * | 2018-10-30 | 2019-04-12 | 杭州海兴电力科技股份有限公司 | For realizing the test equipment and test method of the multilist test at simulation scene |
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| CN112330949A (en) * | 2020-10-20 | 2021-02-05 | 国网北京市电力公司 | Test device, control method of test device, control device and processor |
| CN112929236A (en) * | 2021-02-23 | 2021-06-08 | 重庆邮电大学 | Broadband micropower wireless protocol interoperability test system for electricity consumption information acquisition system |
| CN113938402A (en) * | 2021-12-17 | 2022-01-14 | 南京杰思微电子技术有限公司 | Power line and wireless based dual-mode test system and method |
| CN114006634A (en) * | 2021-09-30 | 2022-02-01 | 广东电网有限责任公司电力调度控制中心 | Low-voltage power line carrier communication information monitoring method and system |
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| CN108233989B (en) * | 2018-01-03 | 2021-08-20 | 深圳市国电科技通信有限公司 | Smart power grid power broadband carrier communication detection system and detection method thereof |
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| CN112929236A (en) * | 2021-02-23 | 2021-06-08 | 重庆邮电大学 | Broadband micropower wireless protocol interoperability test system for electricity consumption information acquisition system |
| CN112929236B (en) * | 2021-02-23 | 2022-07-15 | 重庆邮电大学 | Broadband micropower wireless protocol interoperability test system for electricity consumption information acquisition system |
| CN114006634A (en) * | 2021-09-30 | 2022-02-01 | 广东电网有限责任公司电力调度控制中心 | Low-voltage power line carrier communication information monitoring method and system |
| CN114268556A (en) * | 2021-12-06 | 2022-04-01 | 重庆邮电大学 | Broadband micropower MAC layer consistency test system in power consumption information acquisition system |
| CN114268556B (en) * | 2021-12-06 | 2023-10-24 | 重庆邮电大学 | Broadband micropower MAC layer consistency test system in electricity consumption information acquisition system |
| CN113938402A (en) * | 2021-12-17 | 2022-01-14 | 南京杰思微电子技术有限公司 | Power line and wireless based dual-mode test system and method |
| CN113938402B (en) * | 2021-12-17 | 2022-03-01 | 南京杰思微电子技术有限公司 | Power line and wireless based dual-mode test system and method |
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