CN102832971B - Synergetic networking system based on power line communication and communication method - Google Patents
Synergetic networking system based on power line communication and communication method Download PDFInfo
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- CN102832971B CN102832971B CN201210325785.0A CN201210325785A CN102832971B CN 102832971 B CN102832971 B CN 102832971B CN 201210325785 A CN201210325785 A CN 201210325785A CN 102832971 B CN102832971 B CN 102832971B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application provides a synergetic networking system based on a power line communication and a communication method. The system comprises a power line network, a sending device and a receiving device, wherein the sending device comprises at least two programmable logic controller (PLC) modulator-demodulators connected through a power line chain. When a power line channel between the PLC modulator-demodulator for sending signals in the sending device and the receiving device is not the optimal channel, the PLC modulator-demodulator used for sending signals to the power line channel between the PLC modulator-demodulator and the receiving device through a wireless chain is better than the other PLC modulator-demodulator between the PLC modulator-demodulator itself and the receiving device; the PLC modulator-demodulator transmits the signals to the receiving device through a power line network. By adopting the system and the method provided in the application, the reliable and effective transmission of every PLC modulator-demodulator in the sending device is guaranteed, the reliability and the effectiveness of a power line communication system are improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of collaborative group network system and communication means based on power line communication.
Background technology
Conventional network access has three kinds: utilize telephone wire dial mode, utilize cable modem (CM, the Cable Modem) mode of catv line and utilize the Ethernet mode of twisted-pair feeder.The realization of these network accesses all needs special modulator-demodulator and access interface, and cost is high and inconvenient.
Along with the continuous maturation of power line communication technology is perfect, it can provide for user the express network access speed of 4.5 ~ 45Mbps, can be used for browsing page, call and watch online film etc., with this, realize data, voice, video and electric power in the four networks one platform of one.Power line communication full name is power line carrier (PLC, Power Line Carrier) communication, refers to and utilizes high-voltage power line, medium voltage power line or low-voltage distribution wire as information transmitting medium, to carry out a kind of specific communication mode of voice or transfer of data.
Inventor finds in realizing process of the present invention, although power line communication technology is constantly ripe perfect, but, owing to existing a large amount of very noisies to cause signal attenuation serious in power line channel, and the large scale decline that also exists frequency selective fading that multipath effect produces and line loss to cause on power line channel, simultaneously there are various strong jammings in power line channel, and this makes existing electric line communication system have that efficiency of transmission is low, reliability is low and the problem of unstable properties.
Summary of the invention
The invention provides a kind of collaborative group network system and communication means based on power line communication, in order to solve, existing electric line communication system efficiency of transmission is low, reliability is low and the problem of unstable properties, and its technical scheme is as follows:
A collaborative group network system based on power line communication, comprising: power line network, dispensing device and receiving system, and wherein, described dispensing device comprises that at least two by the link-attached power line carrier PLC modulator-demodulator of power line;
When in described dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between described receiving system are not preferred channels, the PLC modulator-demodulator of described transmitted signal by wireless link, signal is transferred to and described receiving system between power line channel be better than the PLC modulator-demodulator of power line channel between himself and described receiving system, this PLC modulator-demodulator transfers to described receiving system by signal by described power line network.
Preferably, described receiving system comprises that at least two by the link-attached PLC modulator-demodulator of power line;
PLC modulator-demodulator in described receiving system receives described signal;
If receive the PLC modulator-demodulator of signal in described receiving system, it not target P LC modulator-demodulator, the PLC modulator-demodulator of described reception signal by the signal receiving by transmission of radio links to target P LC modulator-demodulator, wherein, described target P LC modulator-demodulator is a PLC modulator-demodulator except the PLC modulator-demodulator of reception signal in described receiving system.
Each PLC modulator-demodulator in described dispensing device includes: power line coupling unit, PLC processing unit and wave point;
Described PLC processing unit receives the signal that user terminal transmission comes, and the signal receiving is carried out to coded modulation, signal after coded modulation is transferred to described receiving system by described power line network, or, signal after coded modulation is exported by described wave point, through transmission of radio links, to another PLC modulator-demodulator, this PLC modulator-demodulator transfers to described receiving system by the signal after coded modulation by described power line network.
Described wave point is blue tooth interface, WLAN (wireless local area network) WLAN interface, or, wireless mesh network MESH interface.
Described power line network is low-voltage power spider lines, medium voltage electricity spider lines or high-tension electricity spider lines.
A communication means, is applied to comprise: the communication system of power line network, dispensing device and receiving system, wherein: described dispensing device comprises that at least two by the link-attached PLC modulator-demodulator of power line, and the method comprises:
When in described dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between described receiving system are not preferred channels, the PLC modulator-demodulator of described transmitted signal by wireless link, signal is transferred to and described receiving system between power line channel be better than the PLC modulator-demodulator of power channels between himself and described receiving system, this PLC modulator-demodulator transfers to described receiving system by signal by described power line network.
Collaborative group network system and communication means based on power line communication provided by the invention, a plurality of PLC modulator-demodulators in dispensing device are got up by power line link connection, the while combining wireless communication technology, make can carry out information interaction by wireless link between each PLC modulator-demodulator, the combination of power line communication and radio communication guaranteed each PLC 3com modem information 3Com reliably, effectively transmission, improved reliability and the validity of electric line communication system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The structural representation of the collaborative group network system based on power line communication that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the collaborative group network system based on power line communication that Fig. 2 provides for the embodiment of the present invention one;
The structural representation of the PLC modulator-demodulator that Fig. 3 provides for the embodiment of the present invention one;
The structural representation of the collaborative group network system based on power line communication that Fig. 4 provides for the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of collaborative group network system based on power line communication, the structural representation that Fig. 1 is this system, and this system can comprise: dispensing device 1, receiving system 2 and power line network 3.Wherein, dispensing device 1 comprises that at least two by the link-attached PLC modulator-demodulator of power line.
When in dispensing device 1, the PLC modulator-demodulator of transmitted signal and the power line channel between receiving system 2 are not preferred channels, the PLC modulator-demodulator of transmitted signal by wireless link, signal is transferred to and receiving system 2 between power line channel be better than the PLC modulator-demodulator of channel between himself and receiving system 2, this PLC modulator-demodulator transfers to receiving system 2 by signal by power line network 3.
The embodiment of the present invention also provides a kind of communication means, is applied to comprise the communication system of dispensing device, receiving system and power line network, and wherein, dispensing device comprises that at least two by the link-attached PLC modulator-demodulator of power line, and the method can comprise:
When in dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between receiving system are not preferred channels, the PLC modulator-demodulator of transmitted signal by wireless link, signal is transferred to and receiving system between power line channel be better than the PLC modulator-demodulator of power line channel between himself and receiving system, this PLC modulator-demodulator transfers to receiving system by signal by power line network.
Collaborative group network system and communication means based on power line communication provided by the invention, a plurality of PLC modulator-demodulators in dispensing device are got up by power line link connection, the while combining wireless communication technology, make can carry out information interaction by wireless link between each PLC modulator-demodulator, the combination of power line communication and radio communication guaranteed each PLC 3com modem information 3Com reliably, effectively transmission, improved reliability and the validity of electric line communication system.
Embodiment mono-
The embodiment of the present invention one provides a kind of collaborative group network system based on power line communication, the structural representation that Fig. 2 is this system, and this system can comprise: dispensing device 11, receiving system 12 and power line network 13.Wherein, dispensing device 11 comprises PLC modulator-demodulator 111, PLC modulator-demodulator 112 and the PLC modulator-demodulator 113 connecting by power line link 110, and receiving system 12 comprises PLC modulator-demodulator 121.
Because dispensing device 11 comprises three PLC modulator-demodulators, when the power line channel between one of them PLC modulator-demodulator and receiving system 12 is subject to noise jamming more serious, can be by signal by transmission of radio links to another more excellent or optimum PLC modulator-demodulator of the power line channel in dispensing device 11 and between receiving system 12, this PLC modulator-demodulator transfers to receiving system 12 by signal by power line network 13.
For example, the PLC modulator-demodulator 111 of dispensing device 11 need to be to the PLC modulator-demodulator 121 transmitted signal x of receiving system 12, if the power line channel between PLC modulator-demodulator 111 and PLC modulator-demodulator 121 is subject to noise jamming channel seriously or between the two in deep fade region, receiving signal will, below demodulation threshold, cause PLC modulator-demodulator 121 cannot recover primary signal.In this case, PLC modulator-demodulator 111 by wireless link, signal is transferred to and PLC modulator-demodulator 121 between power line channel quality be better than self PLC modulator-demodulator, as PLC modulator-demodulator 112.PLC modulator-demodulator 112 transfers to receiving system 12 by signal x by power line network 13 again.
Preferably, if the power line channel quality between PLC modulator-demodulator 112 and PLC modulator-demodulator 113 and PLC modulator-demodulator 121 is all better than the PLC modulator-demodulator 111 of transmitted signal and the power line channel quality between PLC modulator-demodulator 121, and, power line channel quality between PLC modulator-demodulator 113 and PLC modulator-demodulator 121 is better than the power line channel quality between PLC modulator-demodulator 112 and PLC modulator-demodulator 121, PLC modulator-demodulator 111 transfers to PLC modulator-demodulator 113 by wireless link 115 by signal x by signal x, by and PLC modulator-demodulator 121 between the PLC modulator-demodulator 113 of power line channel optimal quality signal x is transferred to PLC modulator-demodulator 121 by power line network 13.
It should be noted that, the PLC modulator-demodulator 111 of dispensing device 11, PLC modulator-demodulator 112 and PLC modulator-demodulator 113 send detectable signal to PLC modulator-demodulator 121 respectively, PLC modulator-demodulator 121 obtains himself and the channel quality information sending between the PLC modulator-demodulator of detectable signal according to the detectable signal receiving, and by the channel quality information feedback of obtaining to corresponding PLC modulator-demodulator.The PLC modulator-demodulator 111 of dispensing device 11, PLC modulator-demodulator 112 and PLC modulator-demodulator 113 are by wireless link 114, the channel quality information that wireless link 115 and wireless link 116 are shared each other, like this, in dispensing device 11, PLC modulator-demodulator 111 is except getting the channel quality information between himself and PLC modulator-demodulator 121, can also get the channel quality information between PLC modulator-demodulator 112 and PLC modulator-demodulator 121, and the channel quality information between PLC modulator-demodulator 113 and PLC modulator-demodulator 121, once the channel between PLC modulator-demodulator 111 and PLC modulator-demodulator 121 can not meet communicating requirement, PLC modulator-demodulator 111 just can be according to the channel quality information obtaining, signal is transferred to and PLC modulator-demodulator 121 between the more excellent or optimum PLC modulator-demodulator of channel quality, by this PLC modulator-demodulator, signal is transferred to PLC modulator-demodulator 121 by power line network 13.
Fig. 3 shows the structural representation of PLC modulator-demodulator in the dispensing device 11 that the embodiment of the present invention one provides, and each PLC modulator-demodulator includes: power line coupling unit 1201, PLC processing unit 1202 and wave point 1203.
PLC processing unit 1202 receives the signal that user terminal transmission comes, and the signal receiving is carried out to coded modulation, by the signal after coded modulation after power line coupling unit 1201 coupling, by power line network 13, transfer to receiving system 12, or, signal after coded modulation is exported by wave point 1203, and through transmission of radio links, to another PLC modulator-demodulator, this PLC modulator-demodulator transfers to receiving system 12 by the signal after coded modulation by power line network 13.Wave point 1203 in the present embodiment can be blue tooth interface, WLAN (wireless local area network) WLAN interface, or wireless mesh network MESH interface etc.
In addition, in the present embodiment, power line network 13 can be low-voltage power line network, and as 220V low-voltage power spider lines, certainly, the present embodiment is not limited thereto, and also can be medium voltage electricity spider lines or high-tension electricity spider lines.
The collaborative group network system based on power line communication that the embodiment of the present invention one provides, a plurality of PLC modulator-demodulators in dispensing device are got up by power line link connection, the while combining wireless communication technology, make can carry out information interaction by wireless link between each PLC modulator-demodulator, being combined in of power line communication and radio communication overcome the performance bottleneck of single PLC modulator-demodulator in the situation that of power line channel extreme difference to a great extent, guaranteed information reliable of each PLC modulator-demodulator, effectively transmission, reliability and the validity of electric line communication system have been improved.Meanwhile, solved signal transmission that the complexity of powerline systems self channel causes of poor quality and may produce the problems such as signal interruption at any time.
Embodiment bis-
The embodiment of the present invention two provides a kind of collaborative group network system based on power line communication, the structural representation that Fig. 4 is this system, and this system can comprise: dispensing device 21, receiving system 22 and power line network 23.Wherein, dispensing device 21 comprises PLC modulator-demodulator 211, PLC modulator-demodulator 212 and the PLC modulator-demodulator 213 connecting by power line link 210, and receiving system 22 comprises PLC modulator-demodulator 221, PLC modulator-demodulator 222 and the PLC modulator-demodulator 223 connecting by power line link 220.
Because dispensing device 21 comprises three PLC modulator-demodulators, when the power line channel between the PLC of transmitted signal modulator-demodulator and receiving system 22 is not preferred channels, the PLC modulator-demodulator of transmitted signal transfers to by signal the PLC modulator-demodulator that power line channel in dispensing device 21 and between receiving system 22 is better than power line channel between himself and receiving system 22 by wireless link, and this PLC modulator-demodulator transfers to receiving system 22 by signal by power line network 23.
In the present embodiment, all PLC modulator-demodulators of dispensing device 21 send detectable signal to all PLC modulator-demodulators of receiving system 22, take PLC modulator-demodulator 211 as example:
PLC modulator-demodulator 211 sends detectable signal to receiving system 22, the PLC modulator-demodulator 221 of receiving system 22, PLC modulator-demodulator 222 and PLC modulator-demodulator 223 receive respectively detectable signal, each PLC modulator-demodulator obtains the channel quality information between himself and PLC modulator-demodulator 211 according to the detectable signal receiving, and by the channel quality information feedback of obtaining to PLC modulator-demodulator 211, like this, PLC modulator-demodulator 211 has just obtained the channel quality information between each PLC modulator-demodulator in himself and receiving system 22.
Same, the PLC modulator-demodulator 212 in dispensing device 21 and PLC modulator-demodulator 213 also can obtain the channel quality information between each PLC modulator-demodulator in himself and receiving system 22 by the way.
The PLC modulator-demodulator 211 of dispensing device 21, PLC modulator-demodulator 212 and PLC modulator-demodulator 213 are by wireless link 214, the channel quality information that wireless link 215 and wireless link 216 are shared each other, like this, in dispensing device 21, PLC modulator-demodulator 211 is in can getting himself and receiving system 22 channel quality information between each PLC modulator-demodulator, also can get the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 212 and receiving system 22, and the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 213 and receiving system 22.
Same, in dispensing device 21, PLC modulator-demodulator 212 is in can getting himself and receiving system 22 channel quality information between each PLC modulator-demodulator, also can get the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 211 and receiving system 22, and the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 213 and receiving system 22.And in dispensing device 21 PLC modulator-demodulator 213 in can getting himself and receiving system 22 channel quality information between each PLC modulator-demodulator, also can get the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 211 and receiving system 22, and the channel quality information between each PLC modulator-demodulator in PLC modulator-demodulator 212 and receiving system 22.
The PLC modulator-demodulator 211 of dispensing device 21 of take is example to the PLC modulator-demodulator 221 transmitted signal x of receiving system 22, wherein, PLC modulator-demodulator 221 is the target second modem that need to receive signal, if the channel between PLC modulator-demodulator 211 and PLC modulator-demodulator 221 can not meet communicating requirement, as channel is subject to the serious or channel of noise jamming in deep fade region, PLC modulator-demodulator 211 is chosen preferred channels according to the channel quality obtaining, this preferred channels is corresponding to PLC modulator-demodulator in dispensing device 21 and a PLC modulator-demodulator in receiving system 22.
Wherein, when the PLC modulator-demodulator 211 in dispensing device 21 and the power line channel between receiving system 22 are not preferred channels, may there are two kinds of situations in the preferred channels of choosing:
(1) two the PLC modulator-demodulators corresponding with preferred channels are respectively: other PLC modulator-demodulator in dispensing device 21 except PLC modulator-demodulator 211, as PLC modulator-demodulator 212, with the PLC modulator-demodulator 221 in receiving system 22, now, PLC modulator-demodulator 211 in dispensing device 21 need to transfer to PLC modulator-demodulator 212 by wireless link 214 by signal, and PLC modulator-demodulator 212 transfers to the PLC modulator-demodulator 221 in receiving system 22 by signal by power line network 23 again.
(2) two the PLC modulator-demodulators corresponding with preferred channels are respectively: other PLC modulator-demodulator in dispensing device 21 except PLC modulator-demodulator 211, as PLC modulator-demodulator 213, with other PLC modulator-demodulator except PLC modulator-demodulator 221 in receiving system 22, as PLC modulator-demodulator 223, now, PLC modulator-demodulator 211 in dispensing device 21 first transfers to PLC modulator-demodulator 213 by signal by wireless link 215, PLC modulator-demodulator 213 transfers to the PLC modulator-demodulator 223 in receiving system 22 by the signal of reception by power line network 23 again, PLC modulator-demodulator 223 finally transfers to PLC modulator-demodulator 221 by the signal of reception by wireless link 225.
In addition, PLC modulator-demodulator 211 in dispensing device 21 and the power line channel between receiving system 22 are preferred channels, and, when the PLC modulator-demodulator that receives signal in receiving system 22 is not PLC modulator-demodulator 221, , two the PLC modulator-demodulators corresponding with preferred channels are respectively: the PLC modulator-demodulator 211 in dispensing device 21, with other PLC modulator-demodulator except PLC modulator-demodulator 221 in receiving system 22, as PLC modulator-demodulator 223, now, PLC modulator-demodulator 211 in dispensing device 21 transfers to the PLC modulator-demodulator 223 in receiving system 22 by signal by power line network 23, PLC modulator-demodulator 223 transfers to PLC modulator-demodulator 221 by the signal of reception by wireless link 226 again.
In the present embodiment, power line network 23 can be low-voltage power line network, and as 220V low-voltage power spider lines, certainly, the present embodiment is not limited thereto, and also can be medium voltage electricity spider lines or high-tension electricity spider lines.
The collaborative group network system based on power line communication that the embodiment of the present invention two provides, a plurality of PLC modulator-demodulators in dispensing device are got up by power line link connection, a plurality of PLC modulator-demodulators in receiving system are got up by power line link connection, the while combining wireless communication technology, make can carry out information interaction by wireless link between each PLC modulator-demodulator in dispensing device, simultaneously, make can carry out information interaction by wireless link between each PLC modulator-demodulator in receiving system, the combination of power line communication and radio communication makes, when the channel quality of signal transmission can not meet communicating requirement, can choose this signal of the more excellent or optimum transmission of channel quality, thereby guaranteed information reliable of each PLC modulator-demodulator in dispensing device, effectively transmission, reliability and the validity of electric line communication system have been improved.Meanwhile, solved signal transmission that the complexity of powerline systems self channel causes of poor quality and may produce the problems such as signal interruption at any time.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.System embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Those of ordinary skills, in the situation that not paying creative work, are appreciated that and implement.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the collaborative group network system based on power line communication, is characterized in that, comprising: power line network, dispensing device and receiving system, and wherein, described dispensing device comprises that at least two by the link-attached power line carrier PLC modulator-demodulator of power line; Described receiving system comprises that at least two by the link-attached PLC modulator-demodulator of power line;
All PLC modulator-demodulators of dispensing device send detectable signal to all PLC modulator-demodulators of receiving system, when in described dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between described receiving system are not preferred channels, the PLC modulator-demodulator of described transmitted signal by wireless link, signal is transferred to and described receiving system between power line channel be better than the PLC modulator-demodulator of power line channel between himself and described receiving system, this PLC modulator-demodulator transfers to described receiving system by signal by described power line network;
PLC modulator-demodulator in described receiving system receives described signal;
When the PLC modulator-demodulator that receives signal in described receiving system is not target P LC modulator-demodulator, the PLC modulator-demodulator of described reception signal by the signal receiving by transmission of radio links to target P LC modulator-demodulator, wherein, described target P LC modulator-demodulator is a PLC modulator-demodulator except the PLC modulator-demodulator of reception signal in described receiving system.
2. system according to claim 1, is characterized in that, described receiving system comprises that at least two by the link-attached PLC modulator-demodulator of power line;
PLC modulator-demodulator in described receiving system receives described signal;
In described dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between described receiving system are preferred channels, and, when the PLC modulator-demodulator that receives signal in described receiving system is not target P LC modulator-demodulator, the PLC modulator-demodulator of described reception signal by the signal receiving by transmission of radio links to target P LC modulator-demodulator, wherein, described target P LC modulator-demodulator is a PLC modulator-demodulator except the PLC modulator-demodulator of described reception signal in described receiving system.
3. system according to claim 1, is characterized in that, each the PLC modulator-demodulator in described dispensing device includes: power line coupling unit, PLC processing unit and wave point;
Described PLC processing unit receives the signal that user terminal transmission comes, and the signal receiving is carried out to coded modulation, signal after coded modulation is transferred to described receiving system by described power line network, or, signal after coded modulation is exported by described wave point, through transmission of radio links, to another PLC modulator-demodulator, this PLC modulator-demodulator transfers to described receiving system by the signal after coded modulation by described power line network.
4. system according to claim 3, is characterized in that, described wave point is blue tooth interface, WLAN (wireless local area network) WLAN interface, or, wireless mesh network MESH interface.
5. system according to claim 1, is characterized in that, described power line network is low-voltage power spider lines, medium voltage electricity spider lines or high-tension electricity spider lines.
6. a communication means, it is characterized in that, be applied to comprise: the communication system of power line network, dispensing device and receiving system, wherein: described dispensing device comprises that at least two by the link-attached PLC modulator-demodulator of power line, and described receiving system comprises that at least two by the link-attached PLC modulator-demodulator of power line; The method comprises:
All PLC modulator-demodulators of dispensing device send detectable signal to all PLC modulator-demodulators of receiving system, when in described dispensing device, the PLC modulator-demodulator of transmitted signal and the power line channel between described receiving system are not preferred channels, the PLC modulator-demodulator of described transmitted signal by wireless link, signal is transferred to and described receiving system between power line channel be better than the PLC modulator-demodulator of power channels between himself and described receiving system, this PLC modulator-demodulator transfers to described receiving system by signal by described power line network;
PLC modulator-demodulator in described receiving system receives described signal;
When the PLC modulator-demodulator that receives signal in described receiving system is not target P LC modulator-demodulator, the PLC modulator-demodulator of described reception signal by the signal receiving by transmission of radio links to target P LC modulator-demodulator, wherein, described target P LC modulator-demodulator is a PLC modulator-demodulator except the PLC modulator-demodulator of reception signal in described receiving system.
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| CN102832972B (en) * | 2012-09-05 | 2015-04-29 | 国网重庆市电力公司电力科学研究院 | Power line communication system and method |
| CN103701494B (en) * | 2013-12-05 | 2016-06-08 | 杭州再灵电子科技有限公司 | The elevator PLC supporting power-off continuous transmission transmits system and method |
| CN104539316B (en) * | 2014-12-31 | 2017-04-12 | 华为技术有限公司 | Communication method based on PLC, device and PLC networking system |
| US9705561B2 (en) * | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
| CN111010435B (en) * | 2019-12-11 | 2022-03-22 | 杭州能起美科技有限公司 | Vehicle charging communication control method and device, storage medium and terminal |
| CN111585613A (en) * | 2020-03-23 | 2020-08-25 | 深圳市大拿科技有限公司 | Network extension method and system for parking garage |
| CN113518030B (en) * | 2021-06-23 | 2021-11-19 | 北京智芯微电子科技有限公司 | Dual-mode inter-mode cooperation method and electric power internet of things system |
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| JP2000134220A (en) * | 1998-10-28 | 2000-05-12 | Toshiba Tec Corp | Radio communication system |
| CN101047581A (en) * | 2006-03-31 | 2007-10-03 | 中国移动通信集团公司 | Networking communication processing device, system and method for connecting adaptive to communication |
| CN101106445A (en) * | 2006-07-14 | 2008-01-16 | 华为技术有限公司 | Home network system and data transfer method, home network controller and terminal |
| CN101620776A (en) * | 2009-07-23 | 2010-01-06 | 宁波三星电气股份有限公司 | Method for communication between collector and concentrator of wireless remote meter reading system |
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