CN108872744A - The recognition methods of platform area and system - Google Patents
The recognition methods of platform area and system Download PDFInfo
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- CN108872744A CN108872744A CN201810667661.8A CN201810667661A CN108872744A CN 108872744 A CN108872744 A CN 108872744A CN 201810667661 A CN201810667661 A CN 201810667661A CN 108872744 A CN108872744 A CN 108872744A
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- platform area
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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
Abstract
The invention discloses a kind of area's recognition methods and systems.The recognition methods of this area includes：Concentrator communication terminal firing platform area identification function carries out the acquisition of three-phase zero passage point moment, to platform area broadcast data beacon；Power line carrier site communication terminal monitoring data beacon simultaneously differentiates affiliated phase line by the data beacon, and when only listening to from the data beacon in an area Ge Tai, this of automatic identification area is the platform area belonging to oneself and forwards the data beacon received；The site communication terminal in unidentified area continues to monitor the data beacon of concentrator communication terminal or the forwarding of identified site communication terminal, the channel characteristics measurement parameter in not area on the same stage is collected whithin a period of time, all channel characteristics measurement parameters obtain the final criterion of platform area identification according to weighting scheme, compare selection identification by final criterion and put into effect area.The recognition methods of this area and system can carry out the accurate identification in platform area under the premise of not increasing complicated peripheral auxiliary equipment.
Description
Technical field
The present invention relates to power line carrier communication fields, especially with regard to a kind of area's recognition methods and system.
Background technique
In the power system, platform area is the supply district or region of a transformer.In recent years, low voltage power line carrier is logical
Letter is widely applied in carrier meter reading field, is routed complexity for current some area users, is difficult to look into case of constant power
The affiliated transformer of clear user, cannot achieve the calculating of platform area line loss, it is even more impossible to differentiate power stealing, it is therefore desirable to find
A kind of method can preferably identify subscriber board area.
Power station area identification technology mainly uses power carrier signal method, pulse current method, zero crossing phase ratio at present
Compared with method etc..
Power carrier signal method is being needed by complicated peripheral auxiliary equipment device, and can be got lines crossed due to total high pressure, altogether
The erroneous judgement that situations such as ground is being got lines crossed, cable couples causes platform area to identify.For example, public in the application of Patent No. 200810114907.5
A kind of area's identifier is opened comprising for the beginning unit of injected carrier signal on power line and for receiving carrier wave
Signal and the terminal unit for determining the affiliated platform area of user, the two pass through power line transmission carrier signal.Due to the electricity of beginning unit
Line of force carrier signal can pass through transformer from other areas and signal is transferred to terminal unit, i.e. terminal unit can receive it
The signal of his beginning unit, causes recognition failures.
Pulse current method does not simply fail to be integrated in carrier electric energy meter well, it is also necessary to which platform area scene noise circumstance is more dry
Only.
There are phase offset phenomenons to solve power station using the electric main on low-voltage power line for zero crossing phase-comparison method
Area identifies problem.For example, being disclosed in the application of Patent No. 201310008004.X a kind of based on the completely new of power line characteristic
Platform area identification technology, according to the electric main on low-voltage power line, there are phase offset phenomenons, then low-voltage power line are relied on to carry
The zero passage time-sharing communication mode of communi-cation system sends life by all different power station areas received of carrier chip long-term follow
The zero-acrross ing moment of order compares the electric main zero-acrross ing moment that is connected with itself, calculates offset between the two, because when one
The cumulative offset amount of order generation transmitted by itself interior affiliated power station area is the smallest, and carrier chip to judge according to this
Itself affiliated power station area.It can be seen that this method is suitable between different platform areas, there are the feelings of biggish phase error for zero crossing
Condition, once there is the small situation of phase error, this method is difficult to distinguish.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of area's recognition methods and systems, can be auxiliary in the periphery for not increasing complexity
The accurate identification in platform area is carried out under the premise of helping during equipment.
To achieve the above object, the present invention provides a kind of area's recognition methods.The recognition methods of this area includes：Power line
Carrier wave concentrator communication terminal firing platform area identification function, notifies all tested power line carrier site communication terminals offline；Institute
It states power line carrier concentrator communication terminal and carries out the acquisition of three-phase zero passage point moment, and record zero crossing markers；The power line
Carrier wave concentrator communication terminal is broadcasted one section to platform area with gap and is believed comprising network identity number and target data when the zero crossing
Mark；Power line carrier site communication terminal is monitored in interval of time from different power line carrier concentrator communication terminals
Data beacon and the data beacon is parsed；The power line carrier site communication terminal passes through the data beacon
Affiliated phase line is differentiated with itself zero-crossing examination time；When the power line carrier site communication terminal is only listened to from one
When the data beacon of a concentrator communication terminal, automatic identification oneself belongs to belonging to the power line carrier concentrator communication terminal
Platform area, and the application that will network reports the power line carrier concentrator communication terminal.
In a preferred embodiment, the local of three-phase zero passage point moment is designated as when zero crossing in the data markers
Clock count value, respectively ntbA、ntbB、ntbC。
In a preferred embodiment, the power line carrier site communication terminal passes through the data beacon and itself
Zero-crossing examination time ntbxThe method of phase line belonging to differentiating includes：It calculates power line carrier site communication terminal and receives data
Time difference Δ t, Δ t=tr-ts at the time of beacon between tr and concentrator communication terminal broadcast transmission moment ts；Calculate itself
Zero-crossing examination time ntbxTime difference Δ U between every phase zero passage point moment, i.e., | ntbx-ntbA-Δt|、|ntbx-ntbB-
Δt|、|ntbx-ntbC-Δt|；Δ T and power grid power frequency period T-phase are removed, i.e., | ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δ
t|/T、|ntbx-ntbCΔ t |/T, the fractional part obtained after being divided by are denoted as r respectivelya、rb、rc, take da=min { ra, 1-
ra}、db=min { rb, 1-rb}、dc=min { rc, 1-rc, take da、db、dcPhase of the corresponding phase line of middle minimum value as identification
Line uses data ntb even in above-mentioned calculating process corresponding to the minimum valueA, then power line carrier site communication terminal
The phase line at place is A；If using data ntb in above-mentioned calculating process corresponding to the minimum valueB, then power line carrier website
Phase line where communication terminal is B；If using data ntb in above-mentioned calculating process corresponding to the minimum valueC, then power line
Phase line where carrier wave website communication terminal is C.
In a preferred embodiment, described area's recognition methods further include：The power line in platform area is successfully identified
Carrier wave website communication terminal is added the power line in this TV station area and carries in target data beacon when containing network identity number and zero crossing
Phase line where wave site communication terminal simultaneously forwards the data beacon；The power line carrier site communication in failed identification platform area is whole
End continues to monitor to be carried from different power line carrier concentrator communication terminals or the power line for successfully identifying platform area
The data beacon of wave site communication terminal forwarding, and channel characteristics measurement is carried out to the data beacon signal；When according to one section
Interior channel characteristics measurement data is analyzed to obtain the final criterion of platform area identification with platform area recognition strategy, most according to this
The optimal network of whole criterion selection channel characteristics overall merit, and the application that will network reports the communication of power line carrier concentrator eventually
End.
In a preferred embodiment, the measurement parameter packet of channel characteristics measurement is carried out to the data beacon signal
It includes：The network identity number of received data beacon, phase line, signal-to-noise ratio parameter, receives same electric power at the forwarding source of data beacon
The cumulative frequency of line carrier wave website communication terminal.
In a preferred embodiment, the calculation method of the final criterion is：The area the Ruo Tai total m of i, channel characteristics are surveyed
The total n of parameter j are measured, some channel characteristics measured parameter value in some area is denoted as Wij, all channel characteristics survey in all areas
Amount parameter obtains the final criterion WT of platform area identification according to weighting scheme1~WTm, formula is as follows：Wherein kiFor weighting coefficient.
The present invention also provides a kind of area's identifying systems.This area identifying system includes：The identification of concentrator firing platform area
Module, concentrator three-phase zero crossing acquisition module, concentrator broadcast module, website monitor module, website recognition of phase line module, stand
The area Dian Tai identification module.The platform area that concentrator firing platform area's identification module is used to start power line carrier concentrator communication terminal knows
Other function, and notify all tested power line carrier site communication terminals offline.Concentrator three-phase zero crossing acquisition module and institute
It states firing platform area identification module to be coupled, for carrying out three-phase zero passage point moment to the power line carrier concentrator communication terminal
Collect and record zero crossing markers.Concentrator broadcast module is coupled with the three-phase zero crossing acquisition module, for gap
Xiang Taiqu broadcasts one section of power line carrier concentrator communication terminal target data comprising network identity number and when zero crossing
Beacon.Website monitors module and is coupled with the concentrator broadcast module, and power line carrier site communication terminal passes through the website
It monitors module and monitors the data beacon from different power line carrier concentrator communication terminals in interval of time and to institute
Data beacon is stated to be parsed.Website recognition of phase line module monitors module with the website and is coupled, for passing through the data
Beacon and itself zero-crossing examination time differentiate phase line belonging to the power line carrier site communication terminal.The identification of website platform area
Module is coupled with the recognition of phase line module, for only listening to when the power line carrier site communication terminal from one
When the data beacon of concentrator communication terminal, automatic identification oneself belongs to platform belonging to the power line carrier concentrator communication terminal
Area, and the application that will network reports the power line carrier concentrator communication terminal.
In a preferred embodiment, the local of three-phase zero passage point moment is designated as when zero crossing in the data markers
Clock count value, respectively ntbA、ntbB、ntbC。
In a preferred embodiment, the website recognition of phase line module further includes：Poor computing module, at the first time
Two time difference computing modules, phase line determining module.Poor computing module is whole for calculating power line carrier site communication at the first time
Time difference Δ t at the time of receiving data beacon between tr and concentrator communication terminal broadcast transmission moment ts is held, wherein Δ t=
tr–ts.Second time difference computing module is coupled with the first time poor computing module, for calculating itself zero-crossing examination
Time ntbxTime difference Δ U between every phase zero passage point moment, i.e., | ntbx-ntbA-Δt|、|ntbx-ntbB-Δt|、|
ntbx-ntbC-Δt|.Phase line determining module, is coupled with the second time difference computing module, determines mould by the phase line
Block determines the phase line where power line carrier site communication terminal, specifically includes the following contents：By Δ T and power grid power frequency period T
Be divided by, i.e., | ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δt|/T、|ntbx-ntbCΔ t |/T, the decimal obtained after being divided by
Part is denoted as r respectivelya、rb、rc, take da=min { ra, 1-ra}、db=min { rb, 1-rb}、dc=min { rc, 1-rc, take da、db、
dcPhase line of the corresponding phase line of middle minimum value as identification, uses number even in above-mentioned calculating process corresponding to the minimum value
According to ntbA, then the phase line where power line carrier site communication terminal is A；If in above-mentioned calculating process corresponding to the minimum value
Using data ntbB, then the phase line where power line carrier site communication terminal is B；If above-mentioned fortune corresponding to the minimum value
Data ntb is used during calculatingC, then the phase line where power line carrier site communication terminal is C.
In a preferred embodiment, described area's identifying system further includes：Forwarding module, the second website monitor mould
Block, second area's identification module.Forwarding module is coupled with website platform area identification module, has successfully identified for forwarding
This TV station area of the power line carrier site communication terminal in platform area contains network identity number, zero crossing markers, the power line carrier station
The data beacon of phase line where point communication terminal.Second website monitor module be coupled with the forwarding module, be used for not at
The power line carrier site communication terminal in function identification platform area continue to monitor from different power line carrier concentrator communication terminals or
The data beacon of the power line carrier site communication terminal forwarding in platform area is successfully identified described in person, and to the data beacon
Signal carries out channel characteristics measurement.Second area's identification module monitors module with second website and is coupled, for according to one
Channel characteristics measurement data in the section time is analyzed to obtain the final criterion of platform area identification with platform area recognition strategy, according to
The optimal network of the final criterion selection channel characteristics overall merit, and the application that will network reports power line carrier concentrator to communicate
Terminal.
In a preferred embodiment, the measurement parameter packet of channel characteristics measurement is carried out to the data beacon signal
It includes：The network identity number of received data beacon, phase line, signal-to-noise ratio parameter, receives same electric power at the forwarding source of data beacon
The cumulative frequency of line carrier wave website communication terminal.
In a preferred embodiment, the calculation method of the final criterion is：The area the Ruo Tai total m of i, channel characteristics are surveyed
The total n of parameter j are measured, some channel characteristics measured parameter value in some area is denoted as Wij, all channel characteristics survey in all areas
Amount parameter obtains the final criterion WT of platform area identification according to weighting scheme1~WTm, formula is as follows：Wherein kiFor weighting coefficient.
Compared with prior art, according to the present invention area's recognition methods and system, using concentrator communication terminal itself
Zero passage detection and signal receive the channel measurement function in detection process, without increasing complicated peripheral auxiliary equipment device just
It can successfully identify power station area.Using the beacon crosstalk identification assisted based on recognition of phase line, for not in the website of same phase
The beacon signal of communication terminal forwarding can clearly judge it is not to improve crosstalk by the signal of communication of power line relay transmission
The discrimination of signal.Has the function of the autonomous recognition of phase line based on data beaconing mechanism, the site communication based on the identification that succeeded
The beacon forwarding mechanism auxiliary channel pattern measurement of terminal carries out channel measurement and synthesis to all websites of platform area forwarding beacon
Evaluation, can be improved the accuracy of identification.
Detailed description of the invention
Fig. 1 is a kind of power-line carrier communication system figure；
Fig. 2 is platform area recognition methods according to an embodiment of the present invention；
Fig. 3 is platform area identifying system according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
Fig. 1 is a kind of power-line carrier communication system figure.Solid line indicates power line connection in figure, and dotted line indicates the crosstalk of platform area
Signal connection.Identification for platform area is exactly to confirm platform area belonging to each site communication terminal.Corresponding 1 concentration in 1 area Ge Tai
Device communication terminal.
Fig. 2 is platform area recognition methods according to an embodiment of the present invention.The recognition methods of this area includes the following steps S1-
S9。
In S1, the identification of platform area is activated, power line carrier concentrator communication terminal firing platform area identification function, notice
All tested power line carrier site communication terminals are offline.
In S2, the acquisition of three-phase zero passage point moment.The power line carrier concentrator communication terminal carries out three-phase zero crossing
Moment acquisition, and record zero crossing markers.
It can be obtained and A, B, C using zero cross detection circuit as shown in the figure between A, B, C three-phase alternating current and zero curve
Synchronous TTL (Transistor-Transistor-logic) level of three-phase zero crossing, and record the markers of three-phase zero passage point moment, i.e., locally
Clock count value is denoted as ntbA、ntbB、ntbC。
In S3, concentrator communication terminal sends data beacon.The power line carrier concentrator communication terminal is with gap
Target data beacon when Xiang Taiqu broadcasts one section comprising network identity number (NID) and zero crossing.The network identity number is electric power
Line carrier wave concentrator communication terminal is generated when powering on according to random number, and broadcast gap can be according to real network scale and Tai Qu
Recognition time requires determination, generally takes 1s~10s.Data beacon specifically includes：NID,ts,ntbA、ntbB、ntbC.Wherein, ts
It is counted for the local clock at broadcast transmission moment, ntbA、ntbB、ntbCRespectively the zero crossing local clock of A, B, C three-phase counts
Value.
In S4, site communication terminal observes and measures data beacon.Power line carrier site communication terminal is in a period of time
The data beacon from different power line carrier concentrator communication terminals is monitored in interval and the data beacon is parsed.
Parsing information includes NID, ts, ntbA、ntbB、ntbC.Then all different power line carrier concentrators that record storage receives are logical
Believe the data beacon of terminal.
In S5, site communication terminal observes and measures data beacon.The power line carrier site communication terminal passes through institute
It states data beacon and itself zero-crossing examination time differentiates affiliated phase line.Power line carrier site communication terminal using beat and
The consistent local clock of concentrator communication terminal counts, meter at the time of note power line carrier site communication terminal receives data beacon
Number is tr, and the power line carrier site communication terminal zero crossing acquisition moment is counted as ntbx.It is wanted compared to the judgement of zero passage point moment
The Millisecond error asked, data beacon transmissions and the delay for receiving processing can be disregarded.Phase line method of discrimination is specific as follows：It calculates
At the time of power line carrier site communication terminal receives data beacon between tr and concentrator communication terminal broadcast transmission moment ts
Time difference Δ t, Δ t=tr-ts；Calculate itself zero-crossing examination time ntbxTime difference between every phase zero passage point moment
Δ T, i.e., | ntbx-ntbA-Δt|、|ntbx-ntbB-Δt|、|ntbx-ntbC-Δt|；Δ T and power grid power frequency period T-phase are removed,
I.e. | ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δt|/T、|ntbx-ntbCΔ t |/T, the fractional part obtained after being divided by
It is denoted as r respectivelya、rb、rc, take da=min { ra, 1-ra}、db=min { rb, 1-rb}、dc=min { rc, 1-rc, take da、db、dcIn
Phase line of the corresponding phase line of minimum value as identification, uses data even in above-mentioned calculating process corresponding to the minimum value
ntbA, then the phase line where power line carrier site communication terminal is A；If being adopted in above-mentioned calculating process corresponding to the minimum value
With data ntbB, then the phase line where power line carrier site communication terminal is B；If above-mentioned operation corresponding to the minimum value
Data ntb is used in the processC, then the phase line where power line carrier site communication terminal is C.
It in S6, identifies successfully, sends network application and networking.When the power line carrier site communication terminal is only monitored
When to data beacon from a concentrator communication terminal, automatic identification oneself belongs to power line carrier concentrator communication eventually
Platform area belonging to end, and the application that will network reports the power line carrier concentrator communication terminal；
In S7, the site communication terminal forwarding beacon to have networked, and phase information is added.Successfully identify platform area
Power line carrier site communication terminal forward this TV station area containing network identity number and zero crossing markers and the power line carrier station
Point communication terminal where phase line data beacon, forwarding number it is believed that mark when, when only forwarding the data beacon of this phase line, to non-
The data beacon of phase line may be considered crosstalk, and communication terminal data beacon does not forward.
In S8, site communication terminal observes and measures the data beacon of concentrator and website forwarding.Failed identification platform area
Power line carrier site communication terminal continue monitor from different power line carrier concentrator communication terminals or it is described
Success identifies the data beacon of the power line carrier site communication terminal forwarding in platform area, and carries out letter to the data beacon signal
Road pattern measurement.Channel characteristics measurement parameter includes：Receive network N ID, beacon type (the concentrator beacon, other stations of beacon
Point forwarding beacon), phase line, signal-to-noise ratio parameter, the information such as cumulative frequency for receiving same website.
In S9, does not enter web site and identified using platform area recognition strategy.Platform area recognition strategy is according in a period of time
Channel characteristics measurement data analyzed, select the optimal network of channel characteristics overall merit, and apply for report set for networking
Middle device communication terminal.The channel characteristics measurement data that the same period receives carries out analysis：The data beacon of same area A
Number W1With average signal-to-noise ratio W2；Receive the data beaconing station point quantity W of the same phase line communication terminal forwarding in same area3, it is flat
Equal signal-to-noise ratio W4, level average W where repeater station5；Receive the data beaconing station of the non-isopen communication terminal in same area
Point quantity W6, average signal-to-noise ratio W7, level average W where repeater station8；Measurement parameter includes but is not limited to 8 kinds above, note 1
The value of~n channel characteristics measurement data is W1~Wn。
The optimal network of channel characteristics overall merit is selected, by receive 1 to the area m Ge Tai features above criterion according to adding
Power mode obtains the final criterion WT of overall merit1~WTm, select optimal network to network according to the evaluation of final criterion.Finally sentence
It is as follows according to calculation formula：
In formula, kiFor weighting coefficient, can be carried out according to actual measurement parameter
Adjustment, such as the data beaconing station point quantity W for receiving the non-isopen communication terminal in same area6, average signal-to-noise ratio W7, stand
Level average W where point8, it is believed that receive the crosstalk signal of other phase lines, same phase of the weighting coefficient than same area
The data beaconing station point quantity W of line communication terminal3, average signal-to-noise ratio W4, level average W where website5Want low.
Described area's recognition strategy can be according to final criterion WT1~WTmEvaluation selects optimal network to network, can also be with
Recognition accuracy is improved by the way of multiple observation judgement.
The present invention also provides a kind of area's identifying systems.Fig. 3 is identification system of platform area according to an embodiment of the present invention
System.The system includes concentrator firing platform area identification module 10, concentrator three-phase zero crossing acquisition module 11, concentrator broadcast mould
Block 12, website monitor module 13, website recognition of phase line module 14, website platform area identification module 15, forwarding module 16, the second website
Monitor 17, second area's identification modules 18 of module.
Concentrator firing platform area identification module 10 is used for power line carrier concentrator communication terminal firing platform area identification function,
Notify all tested power line carrier site communication terminals offline；
Concentrator three-phase zero crossing acquisition module 11 carries out three-phase mistake for the power line carrier concentrator communication terminal
The zero point moment collects and records zero crossing markers, and when zero crossing is designated as the local clock count value of three-phase zero passage point moment,
Respectively ntbA、ntbB、ntbC.；
Concentrator broadcast module 12 broadcasts one section to platform area with gap for the power line carrier concentrator communication terminal
It include network identity number and target data beacon when zero crossing, it is preferable that the data markers further includes：The broadcast transmission moment
Local clock counts tr.；
Website is monitored module 13 and is monitored in interval of time for power line carrier site communication terminal from difference
The data beacon of power line carrier concentrator communication terminal simultaneously parses the data beacon；
Website recognition of phase line module 14 passes through the data beacon and oneself for the power line carrier site communication terminal
The body zero-crossing examination time differentiates affiliated phase line；
The website recognition of phase line module 14 further includes：Poor computing module 14a, the second time difference computing module at the first time
14b, phase line determining module 14c.
At the time of poor computing module 14a receives data beacon for calculating power line carrier site communication terminal at the first time
Time difference Δ t between tr and concentrator communication terminal broadcast transmission moment ts, wherein Δ t=tr-ts.
Second time difference computing module 14b is for calculating itself zero-crossing examination time ntbxWith every phase zero passage point moment it
Between time difference Δ T, i.e., | ntbx-ntbA-Δt|、|ntbx-ntbB-Δt|、|ntbx-ntbC-Δt|。
Phase line determining module 14c determines the phase where power line carrier site communication terminal by the phase line determining module
Line specifically includes the following contents：Δ T and power grid power frequency period T-phase are removed, i.e., | ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δ
t|/T、|ntbx-ntbCΔ t |/T, the fractional part obtained after being divided by are denoted as r respectivelya、rb、rc, take da=min { ra, 1-
ra}、db=min { rb, 1-rb}、dc=min { rc, 1-rc, take da、db、dcPhase of the corresponding phase line of middle minimum value as identification
Line uses data ntb even in above-mentioned calculating process corresponding to the minimum valueA, then power line carrier site communication terminal
The phase line at place is A；If using data ntb in above-mentioned calculating process corresponding to the minimum valueB, then power line carrier website
Phase line where communication terminal is B；If using data ntb in above-mentioned calculating process corresponding to the minimum valueC, then power line
Phase line where carrier wave website communication terminal is C.
Website platform area identification module 15 is used to collect when the power line carrier site communication terminal is only listened to from one
When the data beacon of middle device communication terminal, automatic identification oneself belongs to platform belonging to the power line carrier concentrator communication terminal
Area, and the application that will network reports the power line carrier concentrator communication terminal.
Forwarding module 16 is for successfully identifying that the power line carrier site communication terminal in platform area forwards containing for this TV station area
Target data beacon when network identity number and zero crossing, and the power line carrier site communication terminal institute is added in data beacon
Phase line.Successfully identified the power line carrier site communication terminal in platform area forward this TV station area containing network identity number and mistake
When zero point when target data beacon, only the data beacon of the phase line where forwarding, may be considered string to the website of non-phase line
It disturbs, communication terminal data beacon does not forward.
Second website monitors module 17 for identifying that the power line carrier site communication terminal in platform area continues to monitor not successfully
From different power line carrier concentrator communication terminals or the power line carrier site communication for successfully identifying platform area
The data beacon of terminal forwarding, and channel characteristics measurement, the measurement ginseng of channel characteristics measurement are carried out to the data beacon signal
Number includes：The network identity number of received data beacon, the forwarding source of data beacon, phase line, signal-to-noise ratio parameter, reception are same
The cumulative frequency of power line carrier site communication terminal.
Second area's identification module 18 is used to identify plan with platform area according to the channel characteristics measurement data in a period of time
It is slightly analyzed to obtain the final criterion of platform area identification, according to the net that the final criterion selection channel characteristics overall merit is optimal
Network, and the application that will network reports power line carrier concentrator communication terminal.Final criterion determines that method is：The area the Ruo Tai total m of i,
Channel characteristics measurement parameter j total n, some channel characteristics measured parameter value in some area is denoted as Wij, all areas it is all
Channel characteristics measurement parameter obtains the final criterion WT of platform area identification according to weighting scheme1~WTm, formula is as follows：Wherein kiFor weighting coefficient.
In conclusion described area's recognition methods and system use the zero passage detection and signal of concentrator communication terminal itself
The channel measurement function in detection process is received, the peripheral auxiliary equipment device without increasing complicated can successfully identify electric power
Platform area.Using the beacon crosstalk identification assisted based on recognition of phase line, for the letter not forwarded in the site communication terminal of same phase
Signal is marked, can clearly judge it is not that the discrimination of crosstalk signal is improved by the signal of communication of power line relay transmission.Have
Autonomous recognition of phase line function based on data beaconing mechanism, the beacon forwarding mechanism of the site communication terminal based on the identification that succeeded
Auxiliary channel pattern measurement carries out channel measurement and overall merit to all websites of platform area forwarding beacon, identification can be improved
Accuracy.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that：The above examples are only used to illustrate the technical scheme of the present invention rather than to its protection scope
Limitation, although the application is described in detail referring to above-described embodiment, those of ordinary skill in the art should
Understand：Those skilled in the art read the specific embodiment of application can still be carried out after the application various changes, modification or
Person's equivalent replacement, but these changes, modification or equivalent replacement, are applying within pending claims.
Claims (12)
1. a kind of area's recognition methods, which is characterized in that including：
Power line carrier concentrator communication terminal firing platform area identification function notifies all tested power line carrier site communications whole
End is offline；
The power line carrier concentrator communication terminal carries out the acquisition of three-phase zero passage point moment, and records zero crossing markers；
The power line carrier concentrator communication terminal broadcasts one section to platform area with gap and includes network identity number and the zero passage
Target data beacon when point；
Power line carrier site communication terminal is monitored in interval of time from the not power line carrier concentrator in area on the same stage
The data beacon of communication terminal simultaneously parses the data beacon；
The power line carrier site communication terminal passes through belonging to the data beacon and the differentiation of itself zero-crossing examination time
Phase line；And
When the power line carrier site communication terminal is only listened to from the data beacon of a concentrator communication terminal, from
Dynamic identification oneself belongs to platform area belonging to the power line carrier concentrator communication terminal, and the application that will network reports the power line to carry
Wave concentrator communication terminal.
2. platform area as described in claim 1 recognition methods, which is characterized in that be designated as three when zero crossing in the data markers
The local clock count value of phase zero passage point moment, respectively ntbA、ntbB、ntbC。
3. platform area as claimed in claim 2 recognition methods, which is characterized in that the power line carrier site communication terminal passes through
The data beacon and itself zero-crossing examination time ntbxThe method of phase line belonging to differentiating includes：
Calculate power line carrier site communication terminal tr and when concentrator communication terminal broadcast transmission at the time of receive data beacon
Carve the time difference Δ t, Δ t=tr-ts between ts；
Calculate itself zero-crossing examination time ntbxTime difference Δ T between every phase zero passage point moment, i.e., | ntbx-ntbA-Δt
|、|ntbx-ntbB-Δt|、|ntbx-ntbC-Δt|；And
Δ T and power grid power frequency period T-phase are removed, i.e., | ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δt|/T、|ntbx-ntbC-
Δ t |/T, the fractional part obtained after being divided by are denoted as r respectivelya、rb、rc, take da=min { ra, 1-ra}、db=min { rb, 1-
rb}、dc=min { rc, 1-rc, take da、db、dcPhase line of the corresponding phase line of middle minimum value as identification, even the minimum value institute
Data ntb is used in corresponding above-mentioned calculating processA, then the phase line where power line carrier site communication terminal is A；If should
Data ntb is used in above-mentioned calculating process corresponding to minimum valueB, then the phase line where power line carrier site communication terminal
For B；If using data ntb in above-mentioned calculating process corresponding to the minimum valueC, then power line carrier site communication terminal institute
Phase line be C.
4. platform area as claimed in claim 3 recognition methods, which is characterized in that described area's recognition methods further include：
Successfully identify the power line carrier site communication terminal in platform area when this TV station area is containing network identity number and zero crossing
The phase line that is added where the power line carrier site communication terminal in target data beacon simultaneously forwards the data beacon；
The power line carrier site communication terminal in failed identification platform area continues to monitor logical from different power line carrier concentrators
Believe the data beacon of terminal or the power line carrier site communication terminal forwarding for successfully identifying platform area, and to described
Data beacon signal carries out channel characteristics measurement；And
It is analyzed to obtain the identification of platform area most with platform area recognition strategy according to the channel characteristics measurement data in a period of time
Whole criterion, according to the network that the final criterion selection channel characteristics overall merit is optimal, and the application that will network reports power line to carry
Wave concentrator communication terminal.
5. platform area as claimed in claim 4 recognition methods, which is characterized in that carry out channel characteristics to the data beacon signal
The measurement parameter of measurement includes：The network identity number of received data beacon, the forwarding source of data beacon, phase line, signal-to-noise ratio
Parameter, the cumulative frequency for receiving same power line carrier site communication terminal.
6. platform area as claimed in claim 5 recognition methods, which is characterized in that the calculation method of the final criterion is：
The area the Ruo Tai total m of i, channel characteristics measurement parameter j total n, some channel characteristics measured parameter value in some area is denoted as
Wij, all channel characteristics measurement parameters in all areas obtain the final criterion WT of platform area identification according to weighting scheme1~WTm,
Formula is as follows：Wherein kiFor weighting coefficient.
7. a kind of area's identifying system, which is characterized in that including：
Concentrator firing platform area identification module, for starting the platform area identification function of power line carrier concentrator communication terminal, and
Notify all tested power line carrier site communication terminals offline；
Concentrator three-phase zero crossing acquisition module, is coupled with firing platform area identification module, for carrying to the power line
Wave concentrator communication terminal carries out three-phase zero passage point moment and collects and records zero crossing markers；
Concentrator broadcast module is coupled with the three-phase zero crossing acquisition module, for broadcasting the electricity to platform area with gap
Target data beacon when one section of line of force carrier wave concentrator communication terminal includes network identity number and zero crossing；
Website monitors module, is coupled with the concentrator broadcast module, and power line carrier site communication terminal passes through the website
It monitors module and monitors the data beacon from different power line carrier concentrator communication terminals in interval of time and to institute
Data beacon is stated to be parsed；
Website recognition of phase line module monitors module with the website and is coupled, for passing through the data beacon and itself zero passage
Point detection time differentiates phase line belonging to the power line carrier site communication terminal；And
Website platform area identification module, is coupled with the recognition of phase line module, for when the power line carrier site communication end
When end is only listened to from the data beacon of a concentrator communication terminal, automatic identification oneself belongs to power line carrier concentration
Platform area belonging to device communication terminal, and the application that will network reports the power line carrier concentrator communication terminal.
8. platform area as claimed in claim 7 identifying system, which is characterized in that be designated as three when zero crossing in the data markers
The local clock count value of phase zero passage point moment, respectively ntbA、ntbB、ntbC。
9. platform area as claimed in claim 8 identifying system, which is characterized in that the website recognition of phase line module further includes：
Poor computing module at the first time, for calculating tr sum aggregate at the time of power line carrier site communication terminal receives data beacon
Time difference Δ t between middle device communication terminal broadcast transmission moment ts, wherein Δ t=tr-ts；
Second time difference computing module is coupled, for calculating itself zero-crossing examination with the first time poor computing module
Time ntbxTime difference Δ U between every phase zero passage point moment, i.e., | ntbx-ntbA-Δt|、|ntbx-ntbB-Δt|、|
ntbx-ntbC-Δt|；And
Phase line determining module is coupled with the second time difference computing module, determines electric power by the phase line determining module
Phase line where line carrier wave website communication terminal, specifically includes the following contents：Δ T and power grid power frequency period T-phase are removed, i.e., |
ntbx-ntbA-Δt|/T、|ntbx-ntbB-Δt|/T、|ntbx-ntbCΔ t |/T, the fractional part difference obtained after being divided by
It is denoted as ra、rb、rc, take da=min { ra, 1-ra}、db=min { rb, 1-rb}、dc=min { rc, 1-rc, take da、db、dcMiddle minimum
It is worth phase line of the corresponding phase line as identification, data ntb is used even in above-mentioned calculating process corresponding to the minimum valueA,
Then the phase line where power line carrier site communication terminal is A；If being used in above-mentioned calculating process corresponding to the minimum value
Data ntbB, then the phase line where power line carrier site communication terminal is B；If above-mentioned calculating process corresponding to the minimum value
In use data ntbC, then the phase line where power line carrier site communication terminal is C.
10. platform area as claimed in claim 9 identifying system, which is characterized in that described area's identifying system further include：
Forwarding module is coupled with website platform area identification module, successfully identifies that the power line in platform area carries for forwarding
This TV station area of wave site communication terminal contains network identity number, zero crossing markers, power line carrier site communication terminal place
Phase line data beacon；
Second website monitors module, is coupled with the forwarding module, for identifying the power line carrier website in platform area not successfully
Communication terminal continues to monitor from different power line carrier concentrator communication terminals or the electricity for successfully identifying platform area
The data beacon of line of force carrier wave website communication terminal forwarding, and channel characteristics measurement is carried out to the data beacon signal；And
Second area's identification module monitors module with second website and is coupled, for special according to the channel in a period of time
Sign measurement data is analyzed to obtain the final criterion of platform area identification with platform area recognition strategy, according to the final criterion selection letter
Road characteristic synthetic evaluates optimal network, and the application that will network reports power line carrier concentrator communication terminal.
11. platform area as claimed in claim 10 identifying system, which is characterized in that it is special to carry out channel to the data beacon signal
Levying the measurement parameter measured includes：The network identity number of received data beacon, the forwarding source of data beacon, phase line, noise
Than parameter, receive the cumulative frequency of same power line carrier site communication terminal.
12. platform area as claimed in claim 11 identifying system, which is characterized in that the calculation method of the final criterion is：
The area the Ruo Tai total m of i, channel characteristics measurement parameter j total n, some channel characteristics measured parameter value in some area is denoted as
Wij, all channel characteristics measurement parameters in all areas obtain the final criterion WT of platform area identification according to weighting scheme1~WTm,
Formula is as follows：Wherein kiFor weighting coefficient.
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