CN107529689A - A kind of power-line carrier communication method of intelligent selection signalling channel - Google Patents
A kind of power-line carrier communication method of intelligent selection signalling channel Download PDFInfo
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- CN107529689A CN107529689A CN201710745937.5A CN201710745937A CN107529689A CN 107529689 A CN107529689 A CN 107529689A CN 201710745937 A CN201710745937 A CN 201710745937A CN 107529689 A CN107529689 A CN 107529689A
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Abstract
The present invention relates to power-line carrier communication method, and in particular to a kind of power-line carrier communication method of intelligent selection signalling channel.The communication means comprises the following steps：1) adaptively selected passage：Signal bandwidth is divided into several subcarrier passages, and automatically selects the data channel that carrier signal access impedance is high and signal transmission attenuation degree is small all the time, carries out signal transmission；2) intelligence communication：Enter row of channels assessment again to data channel, and according to the quantity and transmission performance of data channel, automatically select the high speed data transfer pattern of transmission signal, or slow data transmission pattern, transmitting data in parallel, realize the carrier communication on power line.The communication means intelligent screening transmission means, greatly lifts data transmission bauds on the premise of ensuring to transmit the integrality of data, and transmission performance is excellent, saves cost, the popularization and application for power line carrier, has extremely strong practicality.
Description
Technical field
The present invention relates to power-line carrier communication method, and in particular to a kind of power line carrier of intelligent selection signalling channel
Communication means.
Background technology
In the prior art, power-line carrier communication refers to modulate data onto into high-frequency carrier signal, passes through electric power
The communication technology that line is transmitted.Because power line is designed to transmit electric energy, when as carrier signal transmission passage,
Following factor affects the reliability of power line carrier communication：
1) the carrier signal access impedance of time-varying, causes carrier signal effectively can not be output to power line from carrier terminal equipment
On；2) the carrier signal decay of time-varying, it is obstructed when causing to lead to during power line carrier communication；3) signal changed with frequency signal connects
Enter impedance and signal attenuation, cause in power line carrier communication, only some passages can communicate, and other passages cannot
Communication.
Three above factor drastically influence the reliability of power line carrier communication, be power line carrier communication application popularization
Bottleneck, but power line is transmitted as electric energy, power line is transformed from hardware, improves connecing for carrier signal
Entering impedance reduces the decay not only cost height, and in the market is also without the method for occurring solving problems of signal.
The content of the invention
In order to effectively solve the above problems, the present invention provides a kind of power line carrier communication side of intelligent selection signalling channel
Method.
The concrete technical scheme of the present invention is as follows：A kind of power-line carrier communication method of intelligent selection signalling channel, institute
Communication means is stated to comprise the following steps：
1) passage assessment and adaptively selected passage：Signal bandwidth is divided into several subcarrier passages, and antithetical phrase carries
Ripple passage enters row of channels assessment, the priority assessed according to passage, automatic prioritizing selection carrier signal access impedance height and signal
The small data channel of transmission attenuation degree, carry out signal transmission；
2) intelligence communication：Enter row of channels assessment again to data channel, and according to the quantity and transporting of data channel
Energy, the high speed data transfer pattern of transmission signal, or slow data transmission pattern are automatically selected, transmitting data in parallel, realizes electricity
Carrier communication in the line of force.
Further, when there is several data channel, the communication of algorithms automatically selects high speed data transfer pattern；
The high speed data transfer pattern is that sender distributes to one end of data channel, all numbers one by one by data are transmitted
Different transmission data are transmitted according to channel parallel, recipient receives data, and data splitting from the other end of data channel, obtained
With sender's identical data.
Further, when subcarrier channel transfer is bad, or in data channel negligible amounts, sender by whole
Transmission data are all distributed into each passage, and all channel parallels transmit identical data, and recipient is according to a certain conducting
Passage, obtain and sender's identical data.
Further, inromation bandwidth is extended to a megahertz rank by the step 1), and is divided into several subcarrier passages.
Further, data channel 1- data channel N are filtered out from subcarrier passage, and data D1- is transmitted by described
DN, distribute one by one to data channel 1- data channel N.
Further, transmission data D1-DN is all distributed into each passage, carries out signal transmission.
Further, a width of 3NHz-15NHz of described information band.
Usefulness of the present invention：The communication means is before carrier channel transmission, to filtering out maximum signal amplitude value
Passage, as data channel, in signals transmission, the transmission loss of carrier signal can be monitored, and select carrier wave letter all the time
Number small passage of decay is quantity according to data channel after data channel is filtered out, using different biographies as data channel
Defeated mode, when there is many data channel can use, by parallel transmission in data distribution to all passages；When data channel communication energy
Power is weaker, or during data channel negligible amounts, the parallel transmission technology on all passages, the communication means is ensuring to transmit number
According to integrality on the premise of, intelligent screening transmission means, greatly lift data transmission bauds, transmission performance is excellent, save
Cost, the popularization and application for power line carrier, there is extremely strong practicality.
Brief description of the drawings
Fig. 1 is the method flow diagram of one embodiment of the invention；
Fig. 2 is the method flow diagram of high speed data transfer pattern described in one embodiment of the invention；
Fig. 3 is the method flow diagram of slow data transmission pattern described in one embodiment of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiied
Change, equivalent method and scheme.Further, in order that the public has a better understanding to the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
As shown in figure 1, being the method flow diagram of one embodiment of the invention, this embodiment offers a kind of intelligent selection signal
The power-line carrier communication method of passage, the communication means comprise the following steps：
1) spread bandwidth：Broadband power line carrier communication signal bandwidth is arranged on 3NHz-15NH z, and in the signal band
Several subcarrier passages are set in wide；
2) adaptively selected passage:Enter row of channels assessment to each subcarrier passage, according to passage evaluation structure, to each
Passage writes priority tag, and specific appraisal procedure is selector channel one end as signal input part, the other end of the passage
For the signal output part of passage, channel attenuation rate is calculated by calculating following formula：
Y=(X1-X2)/X1
Wherein, Y represents the channel attenuation rate of the passage, and the X1 represents the signal data amount of signal input part, described
X2 represents the signal data amount of signal output part, according to the channel attenuation rate Y sizes, each passage is carried out to write passage
Priority tag；
To the priority division of the channel attenuation rate and the number range of each level priority, can be carried according to power line
The concrete application scene of wave communication, experience level division is carried out, is not specifically limited herein；
Further, the automatic prioritizing selection carrier signal access impedance height of the power-line carrier communication method and carrier wave
The small subcarrier passage of signal transmission attenuation, as data channel, carry out signal transmission；
3) transmission data distribution to data channel is transmitted, transmission means includes but is not limited to：
When there is multiple data channel, sender-selected high speed data transfer pattern, by transmission data distribution to all numbers
According in passage, parallel transmission, each data channel transmits different data, and recipient receives data from all data channel, and
Combination obtains and sender's identical data；
When subcarrier channel transfer is bad, or when data channel is less, sender-selected slow data transmission pattern,
And will transmission data all to each subcarrier passage, recipient is obtained and sender according to the passage of conducting for parallel distribution
Identical data, complete data transfer.
Specifically, as shown in Fig. 2 when filtering out multiple data channel, set in 3NHz-15NH z signal bandwidth
Several subcarrier passages, the subcarrier number of channels are 500-3000, and filter out data channel 1- numbers by step 2)
According to passage N；
Sender distributes different transmission data according to different data channel one by one by data D1-DN is transmitted, parallel to pass
Recipient is transported to, recipient receives data channel 1- data channel N data, and combines the data on all passages, so as to obtain
Obtain and sender's identical data.
As shown in figure 3, it is less filtering out data channel, or when subcarrier channel transfer is bad, sender is each
All data D1-DN are transmitted on passage, due to all transmitting identical data on passage 1- passages N, it is only necessary to a passage energy
Recipient is transferred data to, recipient can obtain and sender's identical data；Such communication mode, although reducing data biography
Defeated speed, but the reliability of carrier communication is ensure that most possibly, even in a passage energy used time, it also can guarantee that carrier wave leads to
The success of letter.
The course of work：The communication means is before carrier channel transmission, to filtering out maximum signal amplitude value passage, as
Data channel, in signals transmission, the transmission loss of carrier signal can be monitored, and select carrier signal decay small all the time
Passage is quantity according to data channel after data channel is filtered out as data channel, using different transmission means, when
When thering are many data channel to can use, by parallel transmission in data distribution to all passages；When data channel communication ability is weaker, or
During data channel negligible amounts, the parallel transmission technology on all passages, the communication means is ensuring to transmit the complete of data
Property on the premise of, intelligent screening transmission means greatly lifts data transmission bauds, and transmission performance is excellent, save cost, for
The popularization and application of power line carrier, there is extremely strong practicality.
For the ordinary skill in the art, according to the teachings of the present invention, do not depart from the principle of the present invention with
In the case of spirit, the changes, modifications, replacement and the deformation that are carried out to embodiment still fall within protection scope of the present invention it
It is interior.
Claims (7)
- A kind of 1. power-line carrier communication method of intelligent selection signalling channel, it is characterised in that the communication means include with Lower step：1) passage assessment and adaptively selected passage：Signal bandwidth is divided into several subcarrier passages, and sub-carrier leads to Road enters row of channels assessment, and the priority assessed according to passage, automatic prioritizing selection carrier signal access impedance is high and signal transmits The small data channel of attenuation degree, carry out signal transmission；2) intelligence communication：Enter row of channels assessment again to data channel, and according to the quantity and transmission performance of data channel, from The high speed data transfer pattern of dynamic selection transmission signal, or slow data transmission pattern, transmitting data in parallel, are realized on power line Carrier communication.
- A kind of 2. power-line carrier communication method of intelligent selection signalling channel according to claim 1, it is characterised in that When having several data channel, the communication of algorithms automatically selects high speed data transfer pattern；The high speed data transfer pattern will be transmitted data and distributed one by one to one end of data channel, all data for sender leads to The different transmission data of road parallel transmission, recipient receive data, and data splitting from the other end of data channel, obtain and send out The side's of sending identical data.
- A kind of 3. power-line carrier communication method of intelligent selection signalling channel according to claim 1, it is characterised in that When subcarrier channel transfer is bad, or in data channel negligible amounts, sender distributes the transmission data of whole to every In one passage, all channel parallels transmit identical data, and recipient obtains and sender's phase according to the passage of a certain conducting Same data.
- A kind of 4. power-line carrier communication method of intelligent selection signalling channel according to claim 1, it is characterised in that institute State step 1) and inromation bandwidth is extended into a megahertz rank, and be divided into several subcarrier passages.
- A kind of 5. power-line carrier communication method of intelligent selection signalling channel according to claim 2, it is characterised in that from Filter out data channel 1- data channel N in subcarrier passage, and by the transmission data D1-DN, distribute to data lead to one by one Road 1- data channel N.
- 6. a kind of power-line carrier communication method of intelligent selection signalling channel according to claim 3, it is characterised in that will Transmission data D1-DN is all distributed into each passage, carries out signal transmission.
- A kind of 7. power-line carrier communication method of intelligent selection signalling channel according to claim 4, it is characterised in that institute It is 3NHz-15NHz to state inromation bandwidth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710745937.5A CN107529689A (en) | 2017-08-26 | 2017-08-26 | A kind of power-line carrier communication method of intelligent selection signalling channel |
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| CN201710745937.5A CN107529689A (en) | 2017-08-26 | 2017-08-26 | A kind of power-line carrier communication method of intelligent selection signalling channel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880634A (en) * | 2018-06-12 | 2018-11-23 | 珠海云洲智能科技有限公司 | A kind of communication means |
| CN111031296A (en) * | 2019-12-17 | 2020-04-17 | 南京巨鲨显示科技有限公司 | Single-fiber and double-fiber transmission mode self-adaptive system of optical transceiver |
| CN112953598A (en) * | 2021-03-20 | 2021-06-11 | 浙江盛暄电力科技有限公司 | Multichannel power line carrier communication system |
| CN113517909A (en) * | 2021-04-30 | 2021-10-19 | 上海虑信电力科技有限公司 | Multi-carrier intelligent cooperative data exchange transmission device |
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| JP2008092238A (en) * | 2006-10-02 | 2008-04-17 | Sumitomo Electric Ind Ltd | Power-line communication device and power-line communication system |
| CN103647742A (en) * | 2013-12-25 | 2014-03-19 | 上海贝岭股份有限公司 | Communicating method and device of power line carrier OFDM system |
| WO2014131204A1 (en) * | 2013-02-28 | 2014-09-04 | 西门子公司 | Method and apparatus for communication through power line |
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| JP2008092238A (en) * | 2006-10-02 | 2008-04-17 | Sumitomo Electric Ind Ltd | Power-line communication device and power-line communication system |
| WO2014131204A1 (en) * | 2013-02-28 | 2014-09-04 | 西门子公司 | Method and apparatus for communication through power line |
| CN103647742A (en) * | 2013-12-25 | 2014-03-19 | 上海贝岭股份有限公司 | Communicating method and device of power line carrier OFDM system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880634A (en) * | 2018-06-12 | 2018-11-23 | 珠海云洲智能科技有限公司 | A kind of communication means |
| CN108880634B (en) * | 2018-06-12 | 2021-03-02 | 珠海云洲智能科技股份有限公司 | Communication method |
| CN111031296A (en) * | 2019-12-17 | 2020-04-17 | 南京巨鲨显示科技有限公司 | Single-fiber and double-fiber transmission mode self-adaptive system of optical transceiver |
| CN112953598A (en) * | 2021-03-20 | 2021-06-11 | 浙江盛暄电力科技有限公司 | Multichannel power line carrier communication system |
| CN112953598B (en) * | 2021-03-20 | 2022-09-23 | 浙江盛暄电力科技有限公司 | Multichannel power line carrier communication system |
| CN113517909A (en) * | 2021-04-30 | 2021-10-19 | 上海虑信电力科技有限公司 | Multi-carrier intelligent cooperative data exchange transmission device |
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