CN107888233A - Frequency modulation method and device - Google Patents
Frequency modulation method and device Download PDFInfo
- Publication number
- CN107888233A CN107888233A CN201711117620.3A CN201711117620A CN107888233A CN 107888233 A CN107888233 A CN 107888233A CN 201711117620 A CN201711117620 A CN 201711117620A CN 107888233 A CN107888233 A CN 107888233A
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- frequency
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- line carrier
- carrier module
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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
- H04B3/544—Setting up communications; Call and signalling arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The disclosure aims to provide a kind of frequency modulation method and device, at least to solve the problems, such as that power line carrier module communication quality is relatively low in correlation technique.Disclosed frequency modulation method includes：Frequency modulation instruction is issued to power line carrier module；Receive the working frequency and signal intensity of power line carrier module feedback；The working frequency and signal intensity fed back according to power line carrier module determine the corresponding target operating frequency in power line carrier module signal intensity maximum；Target operating frequency is issued to power line carrier module.The disclosure improves the communication quality of power line carrier module.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of frequency modulation method and device.
Background technology
With the development of energy internet so that the interconnection of energy information is even closer.But as information carrier transmission
Power line carrier technology, its development are limited always.It is and changeable main reason is that the load type of power system is various, its
The load characteristic shown varies, and also has very big difference to the degree of absorption of signal, so power line carrier module is difficult
To realize generalization.Power line carrier module use is in the case where its working frequency is in some frequencies, more corresponding
The problem of communication distance is short, and communication quality is low can be caused under load characteristic so that the application of power line carrier module is very limited.
The content of the invention
The invention provides a kind of frequency modulation method and device, is communicated with least solving power line carrier module in correlation technique
The problem of quality is relatively low.
According to the first aspect of the invention, there is provided a kind of frequency modulation method, including：Tune is issued to power line carrier module
Frequency instructs；Receive the working frequency and signal intensity of the power line carrier module feedback；According to the working frequency and
The signal intensity determines the corresponding target operating frequency in the power line carrier module signal intensity maximum；By described in
Target operating frequency is issued to the power line carrier module.
Alternatively, it is described to issue frequency modulation instruction to power line carrier module, including：Using default original frequency as first to institute
State the target modulation frequency that power line carrier module issues；Subsequently issue frequency modulation instruction to the power line carrier module every time
When, increase preset increments on the upper target modulation frequency once issued, obtain new target modulation frequency；And to described
Power line carrier module issues obtained new target modulation frequency, until obtained new target modulation frequency reaches the electricity
The maximum operation frequency of line of force carrier module.
Alternatively, it is described to be determined according to the working frequency and the signal intensity in the power line carrier module
Corresponding target operating frequency during signal intensity maximum, including：Reach the power line in obtained new target modulation frequency
In the case of the maximum operation frequency of carrier module, the working frequency and the signal intensity based on reception obtain maximum
Signal intensity corresponding to the working frequency, by maximum signal intensity corresponding to the working frequency be defined as the target
Working frequency.
Alternatively, it is described to be determined according to the working frequency and the signal intensity in the power line carrier module
Corresponding target operating frequency during signal intensity maximum, including：Non- the working frequency is received first and the signal is strong
After degree, compared with receiving the signal intensity before, preserve signal intensity is big therebetween the signal intensity and
The working frequency corresponding with the signal intensity, until the working frequency received reaches the power line carrier module
Maximum operation frequency.
According to the second aspect of the invention, there is provided a kind of frequency modulation method, including：The frequency modulation that network side is sent is received to refer to
Order；The working frequency of target modulation frequency adjustment power line carrier module in being instructed according to the frequency modulation.
Alternatively, methods described also includes：Target modulation frequency in being instructed according to the frequency modulation adjusts the electric power
After the working frequency of line carrier module, the power line carrier module current working frequency and signal intensity are obtained, and/
Or the working frequency and signal intensity that other power line carrier modules for being connected with the power line carrier module are current；It will obtain
The working frequency and the signal intensity got are sent to the network side.
According to the third aspect of the present invention, there is provided a kind of frequency modulation device, including：First sending module, for electricity
Line of force carrier module issues frequency modulation instruction；First receiving module, for receiving the work frequency of the power line carrier module feedback
Rate and signal intensity；Determining module, for being determined according to the working frequency and the signal intensity in the electric power
Corresponding target operating frequency during line carrier module signal intensity maximum；Second sending module, for by the target operation frequency
Rate is issued to the power line carrier module.
Alternatively, first sending module, including：First transmitting element, for using default original frequency as first to
The target modulation frequency that the power line carrier module issues；Adjustment unit, for subsequently every time to the power line carrier mould
When block issues frequency modulation instruction, increase preset increments on the upper target modulation frequency once issued, obtain new target and adjust
Frequent rate；Second transmitting element, for the new target modulation frequency for issuing to obtain to the power line carrier module, until
To new target modulation frequency reach the maximum operation frequency of the power line carrier module.
Alternatively, the determining module, including：First determining unit, for being reached in obtained new target modulation frequency
To the power line carrier module maximum operation frequency in the case of, the working frequency and the signal based on reception
Intensity obtains the working frequency corresponding to maximum signal intensity, and the working frequency corresponding to the signal intensity of maximum is true
It is set to the target operating frequency.
Alternatively, the determining module, including：Second determining unit, for receiving the working frequency first non-
After the signal intensity, compared with receiving the signal intensity before, big described of signal intensity therebetween is preserved
Signal intensity and the working frequency corresponding with the signal intensity, until the working frequency received reaches the electricity
The maximum operation frequency of line of force carrier module.
According to the fourth aspect of the present invention, there is provided a kind of frequency modulation device, including：Second receiving module, for receiving
The frequency modulation instruction that network side is sent；
Adjusting module, the work of power line carrier module is adjusted for the target modulation frequency in being instructed according to the frequency modulation
Frequency.
Alternatively, described device also includes：Acquisition module, for the target modulation frequency in being instructed according to the frequency modulation
After the working frequency for adjusting the power line carrier module, obtain the current working frequency of the power line carrier module and
Signal intensity, and/or the current working frequency of other power line carrier modules for being connected with the power line carrier module and
Signal intensity；3rd sending module, for the working frequency got and the signal intensity to be sent into the net
Network side.
The scheme that the embodiment of the present application provides, instructed by issuing frequency modulation to power line carrier module, make power line carrier
Module adjusts own operative frequency, and the working frequency of power line carrier module is known according to power line carrier module feedack
And corresponding signal intensity, so that it is determined that corresponding target operating frequency when going out power line carrier module signal intensity maximum,
Instruction power line carrier module adjusts the communication quality for the target operating frequency, improving power line carrier module.
Brief description of the drawings
Fig. 1 is the schematic diagram of the network system of the embodiment of the present application 1；
Fig. 2 is the flow chart of the frequency modulation method of the embodiment of the present application 1；
Fig. 3 is the flow chart of the frequency modulation method of the embodiment of the present application 2；
Fig. 4 is the block diagram of the frequency modulation device of the embodiment of the present application 4；
Fig. 5 is the block diagram of the frequency modulation device of the embodiment of the present application 5.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Embodiment 1
A kind of frequency modulation method is present embodiments provided, this method can be performed by network side, example, can be by servicing
Device or master control gateway perform, before being illustrated to this method, first to realizing that the network system of this method is carried out
Brief description, Fig. 1 is the schematic diagram of the network system, as shown in figure 1, the network system includes server or master control gateway, with
And two or more power line carrier modules, three power line carrier moulds are shown for the time being in order to illustrative, in Fig. 1
Block is, it is necessary to explanation, and in the present embodiment, signal strength detection circuit can be arranged in power line carrier module, may be used also
To be self-existent outer circuits, power line carrier module built-in signal intensity detection circuit is shown a case that in Fig. 1.Its
In, server or master control gateway are connected with each power line carrier module, are interconnected between each power line carrier module.
Fig. 2 is the flow chart of the frequency modulation method of the present embodiment, as shown in Fig. 2 this method includes following processing：
Step 201：Frequency modulation instruction is issued to power line carrier module；
Can be server or master control gateway to coupled two or more power line carriers in the step 201
Module issues frequency modulation instruction, and target modulation frequency can be included in frequency modulation instruction, and frequency modulation instruction can indicate that power line carries
Ripple module adjusts working frequency to target modulation frequency.
In step 201, to power line carrier module issue frequency modulation instruction operation can perform repeatedly, based on this, to
The operation that power line carrier module issues frequency modulation instruction can include：Using default original frequency as first to power line carrier module
The target modulation frequency issued；When subsequently issuing frequency modulation instruction to power line carrier module every time, in the upper target once issued
Increase preset increments on modulation frequency, obtain new target modulation frequency；And issue to obtain to power line carrier module new
Target modulation frequency, until obtained new target modulation frequency reaches the maximum operation frequency of power line carrier module.
Step 202：Receive the working frequency and signal intensity of power line carrier module feedback；
Power line carrier module is after the frequency modulation for receiving server or master control gateway instructs, according to the target in the instruction
Modulation frequency adjusts itself current working frequency, and itself current working frequency and signal intensity are fed back into server
Or master control gateway.Wherein, signal strength detection circuit can be included in power line carrier module, electric power is gone out by the electric circuit inspection
The current signal intensity of line carrier module.In addition, signal strength detection module can also be disposed on power line carrier module it
An outer independent module.
Step 203：The working frequency and signal intensity fed back according to power line carrier module are determined to carry in power line
Corresponding target operating frequency during ripple module by signal maximum intensity；
In one case, step 203 can include：In master control gateway or server repeatedly under power line carrier module
After sending out frequency modulation instruction, the situation of the maximum operation frequency of power line carrier module is reached in obtained new target modulation frequency
Under, working frequency and signal intensity based on reception obtain working frequency corresponding to maximum signal intensity, by the letter of maximum
Number working frequency corresponding to intensity is defined as the target operating frequency of power line carrier module.
In another case, step 203 can include：In the non-work for receiving power line carrier module feedback first
After frequency and signal intensity, compared with receiving signal intensity before, it is strong to preserve the big signal of signal intensity therebetween
Degree and working frequency corresponding with the signal intensity, until the working frequency received reaches the maximum of power line carrier module
Working frequency, the signal intensity finally preserved are the maximum signal strength values of signal intensity.
Step 204：Target operating frequency is issued to power line carrier module.So that power line carrier module by itself
Working frequency is adjusted to the target operating frequency.
In the present embodiment, target operating frequency can be issued to coupled multiple electricity by server or master control gateway
At least one power line carrier module in line of force carrier module.
Pass through the scheme of the present embodiment so that power line carrier module can apply the load in any unknown line attachment
In model, the application of power line carrier module is expanded, and on the basis of it need not calculate attenuation center frequency, you can with
So that power line carrier module is operated in optimal frequency point, makes the signal intensity of power line carrier module maximum, decay minimum, pass
Defeated distance maximum and communication quality highest.And all processes of this programme can be performed by service end or gateway, without people
Work intervention, simple and fast are convenient and efficient.
Embodiment 2
A kind of frequency modulation method is present embodiments provided, this method there can be power line carrier module, or be built in power line
One function module in carrier module performs, and this method can be applied equally to the network system shown in Fig. 1, and Fig. 3 is this
The flow chart of method, as shown in figure 3, this method includes following processing：
Step 301：Receive the frequency modulation instruction that network side is sent；
Wherein, network side can be server or key network, can include target modulation frequency in frequency modulation instruction.
Step 302：The working frequency of target modulation frequency adjustment power line carrier module in being instructed according to frequency modulation.
Alternatively, the frequency modulation method that the present embodiment provides can also include：
After the working frequency of the target modulation frequency adjustment power line carrier module in being instructed according to frequency modulation, electricity is obtained
Line of force carrier module current working frequency and signal intensity, and/or other power lines being connected with power line carrier module
Carrier module current working frequency and signal intensity；The working frequency got and signal intensity are sent to network
Side.
In the present embodiment, power line carrier module, can be with after the frequency modulation for receiving server or master control gateway instructs
Test frame is sent to other coupled power line carrier modules, to inform to other power line carrier module notification servers
Or the frequency modulation instruction of network, and then other power line carrier modules current working frequency and signal intensity are obtained, then will
The current working frequency of other power line carrier modules for getting and reporting signal strength are to server or gateway.
Pass through the scheme of the present embodiment so that power line carrier module can apply the load in any unknown line attachment
In model, the application of power line carrier module is expanded, and on the basis of it need not calculate attenuation center frequency, you can with
So that power line carrier module is operated in optimal frequency point, makes the signal intensity of power line carrier module maximum, decay minimum, pass
Defeated distance maximum and communication quality highest.
Embodiment 3
Above-described embodiment 1 and embodiment 2 are come to the application's from network side and power line carrier module side respectively
Frequency modulation method is illustrated.The signal interaction of frequency modulation method is realized in this implementation with both network side and power line carrier module
The frequency modulation method of the application is further detailed process.
In the present embodiment, server or master control gateway module issue FREQUENCY CONTROL instruction (being instructed equivalent to above-mentioned frequency modulation)
To need frequency modulation so as to find optimal communication Frequency point two or more interconnect power line carrier modules, electric power
Line carrier module adjusts the working frequency of itself after receiving FREQUENCY CONTROL instruction, and sends test frame data to connected other
Power line carrier module communication, other power line carrier modules receive test frame data after, be arranged at electric power accordingly
Signal strength detection circuit or external signal strength detection module in line carrier module carry out signal strength detection, and will letter
Number intensity level and current working frequency by it is corresponding communicate (can be electric line carrier communication or CAN,
Other communication modes such as RS485, TCP/IP, wireless) it is sent to server or master control gateway module, server or master control gateway
Signal strength values and current working frequency are preserved after receiving data, then judges whether current working frequency is corresponding electric power
The maximum operation frequency point of the working frequency range of line carrier module, if it is not, then increase frequency values issue FREQUENCY CONTROL and referred to again
Order, letter is carried out if current working frequency is the maximum operation frequency point of the working frequency range of corresponding power line carrier module
The comparison of number intensity level, finds out the working frequency point corresponding to maximum signal value, this frequency then is passed through into FREQUENCY CONTROL
Instruction is issued to corresponding power line carrier module, to reach the purpose of Automatic-searching optimal communication Frequency point.
In above process, server or master control gateway module are responsible for issuing FREQUENCY CONTROL instruction, make corresponding power line
Carrier module up adjusts successively since the lowest frequency value of working frequency range, often adjusts a server or master control gateway then connects
Receive once the signal strength values of the Frequency point from power line carrier module to be preserved with current frequency values, for comparing.
Stop adjustment when the maximum for the working frequency range that the frequency values of adjustment are power line carrier module, bring into operation comparison program,
The Frequency point corresponding to strongest signal strength value is compared, the Frequency point is issued in corresponding power line carrier module, made
These power line carrier modules work in this optimal frequency point.Wherein, the operation of comparison signal intensity level can stop adjusting
Operation is performed again after frequency, and compared with can also often receiving a signal strength values and frequency values just once, a preservation is most strong
Signal strength values and corresponding working frequency point, then perform so as to reaching one secondary frequencies of adjustment and once compare the purpose of operation, enter
And save the memory headroom of system.In addition, in the present embodiment, the frequency increment adjusted every time be it is configurable, can be according to user
It is self-defined to be configured, as user does not configure voluntarily, it is adjusted using the fixed value of system default as increment.Power line carries
The working frequency of ripple module is equally configurable, and device changes its working frequency according to the FREQUENCY CONTROL instruction received.
Embodiment 4
A kind of frequency modulation device is present embodiments provided, the device is used for the frequency modulation method for realizing that network side is realized, Fig. 4 is
The block diagram of the device, as shown in figure 4, the device 40 includes following part：
First sending module 41, for issuing frequency modulation instruction to power line carrier module；
Alternatively, first sending module 41 of the present embodiment can include：First transmitting element, for default initial frequency
Rate is the target modulation frequency issued first to power line carrier module；Adjustment unit, for subsequently every time to power line carrier
When module issues frequency modulation instruction, increase preset increments on the upper target modulation frequency once issued, obtain new target frequency modulation
Frequency；Second transmitting element, for the new target modulation frequency for issuing to obtain to power line carrier module, until obtaining new
Target modulation frequency reach the maximum operation frequency of power line carrier module.
First receiving module 42, for receiving the working frequency and signal intensity of power line carrier module feedback；
Determining module 43, for being determined according to working frequency and signal intensity in power line carrier module signal intensity
Corresponding target operating frequency when maximum；
In one case, determining module 43 can include：First determining unit, for what is obtained in above-mentioned adjustment unit
In the case that new target modulation frequency reaches the maximum operation frequency of power line carrier module, based on the working frequency of reception with
And signal intensity obtains working frequency corresponding to maximum signal intensity, working frequency corresponding to the signal intensity of maximum is determined
For target operating frequency.
In another case, determining module 43 can include：Second determining unit, for receiving work first non-
Frequency is with after signal intensity, compared with receiving signal intensity before, preserving the big signal intensity of signal intensity therebetween
And working frequency corresponding with the signal intensity, until the working frequency received reaches the maximum work of power line carrier module
Working frequency.
Second sending module 44, for target operating frequency to be issued into power line carrier module.
Embodiment 5
A kind of frequency modulation device is present embodiments provided, the device can be used for realizing what power line carrier module side performed
Frequency modulation method, the device can be built in power line carrier module, and Fig. 5 is the block diagram of the device, as shown in figure 5, the device
50 include following part：
Second receiving module 51, for receiving the frequency modulation instruction of network side transmission；
Adjusting module 52, the work frequency for the target modulation frequency adjustment power line carrier module in being instructed according to frequency modulation
Rate.
Alternatively, the device 50 can also include：Acquisition module, the target that the module is used in being instructed according to frequency modulation are adjusted
After the working frequency of frequent rate adjustment power line carrier module, the current working frequency of power line carrier module and letter are obtained
Number intensity, and/or the current working frequency of other power line carrier modules for being connected with power line carrier module and signal it is strong
Degree；3rd sending module, the module are used to the working frequency and signal intensity that get sending network side.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and the common knowledge in the art do not invented including the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
Present invention mainly solves the load module in unknown line attachment, the situation of the center frequency points of its unknown decay
The problem of lower Automatic-searching optimal communication Frequency point.The communication frequency of power line carrier module is mainly adjusted by, passes through detection
Optimal communication frequency point is found at signal both ends in the communication signal strength of different frequency point, allows it in optimal communication Frequency point
Work, so that the signal transmission of power line carrier module is absorbed minimum, reach transmission range maximum and communication quality more
Good purpose.Whole process is all automatically performed by server or master control gateway module, without manual intervention, simple and fast, side
Just efficiently, provided the foundation for the extensive use of power line carrier technology.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (12)
- A kind of 1. frequency modulation method, it is characterised in that including：Frequency modulation instruction is issued to power line carrier module；Receive the working frequency and signal intensity of the power line carrier module feedback；Determined according to the working frequency and the signal intensity in the power line carrier module signal intensity maximum Corresponding target operating frequency；The target operating frequency is issued to the power line carrier module.
- 2. according to the method for claim 1, it is characterised in that described to issue frequency modulation instruction, bag to power line carrier module Include：Using default original frequency as the target modulation frequency issued first to the power line carrier module；When subsequently issuing frequency modulation instruction to the power line carrier module every time, in the upper target modulation frequency once issued Upper increase preset increments, obtain new target modulation frequency；And to the new target modulation frequency that the power line carrier module issues to obtain, until obtained new target frequency modulation frequency Rate reaches the maximum operation frequency of the power line carrier module.
- 3. according to the method for claim 2, it is characterised in that described according to the working frequency and the signal intensity The corresponding target operating frequency in the power line carrier module signal intensity maximum is determined, including：In the case where obtained new target modulation frequency reaches the maximum operation frequency of the power line carrier module, it is based on The working frequency and the signal intensity received obtains the working frequency corresponding to maximum signal intensity, by maximum Signal intensity corresponding to the working frequency be defined as the target operating frequency.
- 4. according to the method described in claims 1 to 3 any one, it is characterised in that it is described according to the working frequency and The signal intensity determines the corresponding target operating frequency in the power line carrier module signal intensity maximum, including：It is non-receive the working frequency and the signal intensity first after, with receiving the signal intensity phase before Than preserving the big signal intensity of signal intensity and the working frequency corresponding with the signal intensity therebetween, directly Reach the maximum operation frequency of the power line carrier module to the working frequency received.
- A kind of 5. frequency modulation method, it is characterised in that including：Receive the frequency modulation instruction that network side is sent；The working frequency of target modulation frequency adjustment power line carrier module in being instructed according to the frequency modulation.
- 6. according to the method for claim 5, it is characterised in that methods described also includes：After the working frequency that the target modulation frequency in being instructed according to the frequency modulation adjusts the power line carrier module, obtain The working frequency and signal intensity that the power line carrier module is current are taken, and/or is connected with the power line carrier module The current working frequency and signal intensity of other power line carrier modules；The working frequency got and the signal intensity are sent to the network side.
- A kind of 7. frequency modulation device, it is characterised in that including：First sending module, for issuing frequency modulation instruction to power line carrier module；First receiving module, for receiving the working frequency and signal intensity of the power line carrier module feedback；Determining module, for determining to believe in the power line carrier module according to the working frequency and the signal intensity Corresponding target operating frequency during number maximum intensity；Second sending module, for the target operating frequency to be issued into the power line carrier module.
- 8. device according to claim 7, it is characterised in that first sending module, including：First transmitting element, for preset original frequency as the target frequency modulation frequency issued first to the power line carrier module Rate；Adjustment unit, when being instructed for subsequently issuing frequency modulation to the power line carrier module every time, in the upper institute once issued State increases preset increments on target modulation frequency, obtains new target modulation frequency；Second transmitting element, for the new target modulation frequency for issuing to obtain to the power line carrier module, until obtaining New target modulation frequency reach the maximum operation frequency of the power line carrier module.
- 9. device according to claim 8, it is characterised in that the determining module, including：First determining unit, for reaching the maximum functional of the power line carrier module in obtained new target modulation frequency In the case of frequency, the working frequency and the signal intensity based on reception obtain institute corresponding to maximum signal intensity Working frequency is stated, the working frequency corresponding to the signal intensity of maximum is defined as the target operating frequency.
- 10. according to the device described in claim 7 to 9 any one, it is characterised in that the determining module, including：Second determining unit, for it is non-receive the working frequency and the signal intensity first after, with receiving before Compared to the signal intensity, preserve signal intensity is big therebetween the signal intensity and corresponding with the signal intensity The working frequency, until the working frequency received reaches the maximum operation frequency of the power line carrier module.
- A kind of 11. frequency modulation device, it is characterised in that including：Second receiving module, for receiving the frequency modulation instruction of network side transmission；Adjusting module, the work frequency of power line carrier module is adjusted for the target modulation frequency in being instructed according to the frequency modulation Rate.
- 12. device according to claim 11, it is characterised in that described device also includes：Acquisition module, the work of the power line carrier module is adjusted for the target modulation frequency in being instructed according to the frequency modulation After working frequency, obtain the power line carrier module current working frequency and signal intensity, and/or with the power line Other connected power line carrier modules of carrier module current working frequency and signal intensity；3rd sending module, for the working frequency got and the signal intensity to be sent into the network side.
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| CN201711117620.3A CN107888233A (en) | 2017-11-13 | 2017-11-13 | Frequency modulation method and device |
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| CN201711117620.3A CN107888233A (en) | 2017-11-13 | 2017-11-13 | Frequency modulation method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492909A (en) * | 2019-08-30 | 2019-11-22 | 北京智芯微电子科技有限公司 | Wireless isolated form power line carrier communication performance test methods and system |
| CN116505976A (en) * | 2023-06-29 | 2023-07-28 | 无锡量子感知研究所 | Data transmission parameter determining method and device and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370884A (en) * | 2011-02-08 | 2013-10-23 | 德克萨斯仪器股份有限公司 | Channel selection in power line communications |
| CN103516395A (en) * | 2012-06-21 | 2014-01-15 | 深圳市金正方科技有限公司 | Adaptive power line carrier communication device and method |
| US20150103809A1 (en) * | 2013-10-11 | 2015-04-16 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
| CN104954112A (en) * | 2015-06-29 | 2015-09-30 | 国网智能电网研究院 | Cross-band power line carrier frequency cognitive method based on fine-frequency granularity |
| CN106487422A (en) * | 2016-09-07 | 2017-03-08 | 国家电网公司 | For the direct current single conductor carrier communication mode between photovoltaic module |
-
2017
- 2017-11-13 CN CN201711117620.3A patent/CN107888233A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370884A (en) * | 2011-02-08 | 2013-10-23 | 德克萨斯仪器股份有限公司 | Channel selection in power line communications |
| CN103516395A (en) * | 2012-06-21 | 2014-01-15 | 深圳市金正方科技有限公司 | Adaptive power line carrier communication device and method |
| US20150103809A1 (en) * | 2013-10-11 | 2015-04-16 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
| CN104954112A (en) * | 2015-06-29 | 2015-09-30 | 国网智能电网研究院 | Cross-band power line carrier frequency cognitive method based on fine-frequency granularity |
| CN106487422A (en) * | 2016-09-07 | 2017-03-08 | 国家电网公司 | For the direct current single conductor carrier communication mode between photovoltaic module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492909A (en) * | 2019-08-30 | 2019-11-22 | 北京智芯微电子科技有限公司 | Wireless isolated form power line carrier communication performance test methods and system |
| CN116505976A (en) * | 2023-06-29 | 2023-07-28 | 无锡量子感知研究所 | Data transmission parameter determining method and device and electronic equipment |
| CN116505976B (en) * | 2023-06-29 | 2024-02-13 | 无锡量子感知研究所 | Data transmission parameter determining method and device and electronic equipment |
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