CN105634554A - Carrier wave communication networking method, nodes and system - Google Patents

Carrier wave communication networking method, nodes and system Download PDF

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Publication number
CN105634554A
CN105634554A CN201410601542.4A CN201410601542A CN105634554A CN 105634554 A CN105634554 A CN 105634554A CN 201410601542 A CN201410601542 A CN 201410601542A CN 105634554 A CN105634554 A CN 105634554A
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CN
China
Prior art keywords
node
centroid
beacon
networking
district
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Pending
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CN201410601542.4A
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Chinese (zh)
Inventor
李方硕
吴维德
白泰
申杰
曲安妮
卢斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410601542.4A priority Critical patent/CN105634554A/en
Publication of CN105634554A publication Critical patent/CN105634554A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a carrier wave communication networking method, nodes and a system. The method comprises the following steps: a center node sends a station area broadcast signal which comprises a station area number and a phase; each slave mode receives and forwards the station area broadcast signal sent by the center node, and relies a station area confirmation information to the center node so as to confirm a station area and a phase of the slave node; the center node sends a networking beacons to the slave nodes in the same station area; each slave node receives and forwards the corresponding networking beacon sent by the center node, and records a field intensity signal and a beacon signal; and the center node obtains the field intensity signals of the networking beacons of the various slave nodes, and configures routes of the various slave nodes layer by layer according to the field intensity signals. According to the carrier wave communication networking method, the nodes and the system which are provided in the invention, networking between the center node and the slave nodes can be achieved, a carrier wave communication network is formed, the carrier wave communication network has high stability and high reliability, and high-speed, real-time and reliable transmission of electricity information of power consumers can be guaranteed.

Description

Carrier communication network-building method, node and system
Technical field
The present invention relates to carrier communication field, particularly to a kind of carrier communication network-building method, node and system.
Background technology
Power-line carrier communication is a kind of communication mode utilizing power line transmission data and voice signal. Specifically, this technology is that the high-frequency signal of carrying information is loaded on electric current, and then with wire transfer, the modem accepting information is separated high frequency from electric current again, and is sent to computer or phone, to realize information transmission. Have and be no longer necessary to any new track laying, arbitrarily access, the advantage such as wide coverage.
In recent years, along with the development of intelligent power grid technology, the power information acquisition system power application line carrier communication technology in intelligent grid realizes the collection of user power utilization information. In power information acquisition system, networking is needed between concentrator and each ammeter, form carrier communication networking, to realize the electricity consumption real-time data transmission of power consumer to concentrator, but, at present, concentrator and the carrier communication network of carrier power meter composition, due to numerous technical restrictions, cause networking difficulty, the carrier communication networking of composition is unstable, the problems such as communication efficiency is low.
Summary of the invention
Present invention is primarily targeted at, for above-mentioned deficiency of the prior art, it is provided that a kind of carrier communication network-building method, node and system.
This invention address that prior art problem be the technical scheme is that a kind of carrier communication network-building method, including:
Centroid sending station district broadcast singal, described district's broadcast singal includes platform area code and phase place;
Receive the platform district broadcast singal of also retransmission center node from node, and reply platform district confirmation to Centroid, to confirm this platform district from node and phase place;
Centroid in same district from node send networking beacon;
Receive, from node, the networking beacon that also retransmission center node sends, and record field intensity signal and beacon identity;
Centroid obtains each field intensity signal receiving described networking beacon from node, and successively configures each route from node according to described field intensity signal.
Preferably, described confirmation this include from platform district and the phase place of node:
If Centroid receives the platform district confirmation of reply, then it is positioned at same district from node and described Centroid described in judging, and is in respective phase.
Preferably, the described networking beacon sent from node retransmission center node includes:
The network number of Centroid from node more described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity;
If identical, then it is judged as this networking beacon forwarded over, termination;
If it is different, and the level number of described networking beacon and beacon round be all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
Preferably, described successively configure each according to described field intensity signal and include from the route of node:
Centroid, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Described Centroid is sent to from node by Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
A kind of Centroid, including:
Sending module, in order to sending station district broadcast singal, and according to from the platform district confirmation of node reverts back, to sending networking beacon from node in same district;
Acquisition module, for obtaining each field intensity signal receiving described networking beacon from node;
Routing configuration module, for successively configuring each route from node according to described field intensity signal.
Preferably, described routing configuration module includes:
Routing calculation module, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Described sending module is additionally operable to send to from node described Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
A kind of from node, including:
First transceiver module, for receiving the platform district broadcast singal of also retransmission center node, and replys platform district confirmation to Centroid, to confirm this platform district from node and phase place;
Second transceiver module, for the networking beacon received and retransmission center node sends;
Logging modle, is used for recording field intensity signal and beacon identity.
Preferably, described first transceiver module includes:
First receiver module, for receiving the platform district broadcast singal of Centroid;
First forwarding module, for forwarding described district's broadcast singal by markers method;
First sending module, for replying platform district confirmation to Centroid, so that described Centroid confirms the platform district from node and phase place.
Preferably, described second transceiver module includes:
Second receiver module, for receiving the networking beacon that Centroid sends;
Judge module, for the network number of Centroid in relatively described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity; If identical, then it is judged as this networking beacon forwarded over,
Second forwarding module, when being identical for comparative result, termination, and different at comparative result, and when the level number of described networking beacon and beacon round are all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
A kind of carrier communication network system, including Centroid as above and as above from node.
The invention has the beneficial effects as follows: carrier communication network-building method provided by the invention, node and system, Centroid can be realized and from the networking between node, form carrier communication network, this carrier communication network stability and reliability are high, it is ensured that the high speed of power consumer electricity consumption information, in real time, reliably transmit.
Accompanying drawing explanation
Fig. 1 is the flow chart of carrier communication network-building method embodiment of the present invention;
Fig. 2 is the structural representation of one embodiment of Centroid of the present invention;
Fig. 3 is the structural representation of another embodiment of Centroid of the present invention;
Fig. 4 is the present invention structural representation from one embodiment of node;
Fig. 5 is the present invention structural representation from another embodiment of node;
Fig. 6 is the structural representation of carrier communication network system embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
Technical scheme is particularly suited for carrier communication environment. Centroid in the embodiment of the present invention can be concentrator, copy controller etc. in power utilization information collection system used for intelligent electric network, and can be harvester or radio ammeter etc. from node.
With reference to, shown in Fig. 1, embodiments providing a kind of carrier communication network-building method, including:
S101, Centroid sending station district broadcast singal, described district's broadcast singal includes platform area code and phase place.
In power line carrier communication, in units of platform district transformator, generally carry out the networking of low-pressure side. Consider that power line carrier communication is when across transformer platform area, because there is the signal isolation decay of two transformators, carrier communication effect will be substantially reduced, run generally at normal transformer load, can not communicate often successfully, and just be easier to communicate successfully under same transformator. So, this step S101 sending station district broadcast singal, it is simply that in order to confirm with Centroid in same district from node.
S102, receive and the platform district broadcast singal of retransmission center node from node, and reply platform district confirmation to Centroid, to confirm this platform district from node and phase place.
Owing to the platform district broadcast singal of Centroid can only send to neighbouring ground floor from node, so, it is possible to by pass-through mode platform district broadcast singal is forwarded to other levels from node.
Concrete, in an embodiment of the invention, receive from node and the platform district broadcast singal of retransmission center node is the platform district broadcast singal receiving Centroid from node, forward described district's broadcast singal from node by markers method. It is to say, ground floor receive platform district broadcast singal from node after, forward above-mentioned district's broadcast singal by markers method, what make under Centroid all receives platform district broadcast singal from node.
In the present embodiment, confirm that this platform district from node and phase place are: if Centroid receives the platform district confirmation of reply, be then positioned at same district from node and described Centroid described in judging, and be in respective phase. Due to not on the same stage the node in district run generally at normal transformer load, can not communicate successfully often, and be just easier to communicate successfully under same transformator, so, when Centroid can receive the platform district confirmation from node reverts back, then illustrate that this is in same district from node and Centroid, and be positioned at corresponding phase place.
S103, Centroid in same district from node send networking beacon.
Centroid in network architecture and be divided into many levels according to node position network architecture from node, distance center some nearest be ground floor, the level away from Centroid is gradually increased successively. The networking beacon that Centroid sends comprises the information such as the network number (PanID) of Centroid, beacon identity, beacon round, level number, timeslot number, field intensity thresholding. Wherein, beacon identity randomly generated by Centroid, for broadcast networking beacon time difference networking beacon mark. The order of Slot Cycle when beacon round is the forwarding of networking beacon.
S104, the networking beacon sent from node reception retransmission center node, and record field intensity signal and beacon identity.
In network architecture, due to network characteristic, Centroid networking beacon can only be sent to the first level from node, therefore, require over the first level from node networking beacon is forwarded to next level from node, next level again networking beacon is forwarded to from node a lower level from node. Meanwhile, in the reception carrying out networking beacon and repeating process, each can record field intensity information and beacon identity from node.
S105, Centroid obtain each field intensity signal receiving described networking beacon from node, and successively configure each route from node according to described field intensity signal.
That is, owing to the distance from node to Centroid in each level is different, more poor from the communication stability between node and Centroid in the level that distance center node is more remote, therefore, Centroid can configure the route of each node according to above-mentioned field intensity information, to realize each from setting up stabilized carrier communication network between node and Centroid.
The carrier communication network-building method provided according to embodiments of the present invention, Centroid can be realized and from the networking between node, forming carrier communication network, this carrier communication network stability and reliability are high, it is ensured that the high speed of power consumer electricity consumption information, in real time, reliably transmit.
In one embodiment of the invention, the networking beacon sent from node retransmission center node specifically includes:
The relatively network number of Centroid in described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity.
If identical, then it is judged as this networking beacon forwarded over, termination;
If it is different, and the level number of described networking beacon and beacon round be all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
It is to say, from node when receiving and forwarding networking beacon every time, the network number in this networking beacon, beacon identity etc. can be recorded. In order to avoid repeating to forward, it is possible to by comparing network number in this networking beacon, beacon identity and from the recorded network number of node and beacon identity, so, can be whether identical and judge whether this networking beacon forwards according to comparative result.
In one embodiment of the invention, successively configure each according to described field intensity signal to specifically include from the route of node:
Centroid, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Described Centroid is sent to from node by Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
It is understood that in the configuration of route, Centroid is to being a plurality of from the path of node, and mulitpath is arranged in order the routing table being saved in Centroid from bad. Mulitpath is also sent to from node simultaneously, is saved in from the routing table of node to bad being arranged in order according to excellent. When Centroid has transmission transmission demand, from the routing table of Centroid, select optimal path.
With reference to, shown in Fig. 2, embodiments providing a kind of Centroid 200, including:
Sending module 21, in order to sending station district broadcast singal, and according to from the platform district confirmation of node reverts back, to sending networking beacon from node in same district;
Acquisition module 23, for obtaining each field intensity signal receiving described networking beacon from node;
Routing configuration module 22, for successively configuring each route from node according to described field intensity signal.
With reference to, shown in Fig. 3, in one embodiment of the invention, also including:
Confirm module 24 from node, if for the platform district confirmation receiving reply, be then positioned at same district from node and described Centroid described in judging, and be in respective phase.
With reference to shown in Fig. 3, in one particular embodiment of the present invention, routing configuration module 22 includes:
Routing calculation module 221, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Sending module 21 is additionally operable to send to from node described Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
The Centroid 200 provided according to embodiments of the present invention, it may be achieved and from the networking between node, form carrier communication network, this carrier communication network stability and reliability high, it is ensured that the high speed of power consumer electricity consumption information, in real time, reliably transmit.
With reference to, shown in Fig. 4, embodiments providing a kind of from node 300, including:
First transceiver module 31, for receiving the platform district broadcast singal of also retransmission center node, and replys platform district confirmation to Centroid, to confirm this platform district from node and phase place;
Second transceiver module 32, for the networking beacon received and retransmission center node sends;
Logging modle 33, is used for recording field intensity signal and beacon identity.
With reference to shown in Fig. 5, in one particular embodiment of the present invention, the first transceiver module 31 includes:
First receiver module 311, for receiving the platform district broadcast singal of Centroid;
First forwarding module 312, for forwarding described district's broadcast singal by markers method;
First sending module 313, for replying platform district confirmation to Centroid, so that described Centroid confirms the platform district from node and phase place.
With reference to shown in Fig. 5, in one embodiment of the invention, the second transceiver module 32 includes:
Second receiver module 321, for receiving the networking beacon that Centroid sends;
Judge module 322, for the network number of Centroid in relatively described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity; If identical, then it is judged as this networking beacon forwarded over,
Second forwarding module 323, when being identical for comparative result, termination, and different at comparative result, and when the level number of described networking beacon and beacon round are all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
There is provided according to embodiments of the present invention from node, it may be achieved and the networking between Centroid, form carrier communication network, this carrier communication network stability and reliability high, it is ensured that the high speed of power consumer electricity consumption information, in real time, reliably transmit.
With reference to shown in Fig. 6, embodiments providing a kind of carrier communication network system 500, including Centroid 200 and from node 300.
Centroid 200 is in order to sending station district broadcast singal, and according to the platform district confirmation replied from node 300, to sending networking beacon from node 300 in same district; Obtain each field intensity signal receiving described networking beacon from node 300; Each route from node 300 is successively configured according to described field intensity signal.
From node 300 for receiving the platform district broadcast singal of also retransmission center node 200, and reply platform district confirmation to Centroid 200, to confirm this platform district from node 300 and phase place; Receive the networking beacon that also retransmission center node 200 sends; Record field intensity signal and beacon identity.
Carrier communication network system provided by the invention, stability and reliability are high, it is ensured that the high speed of power consumer electricity consumption information, in real time, reliably transmit.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, being not considered as limiting the invention, above-described embodiment can be changed when without departing from principles of the invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.

Claims (10)

1. a carrier communication network-building method, it is characterised in that including:
Centroid sending station district broadcast singal, described district's broadcast singal includes platform area code and phase place;
Receive the platform district broadcast singal of also retransmission center node from node, and reply platform district confirmation to Centroid, to confirm this platform district from node and phase place;
Centroid in same district from node send networking beacon;
Receive, from node, the networking beacon that also retransmission center node sends, and record field intensity signal and beacon identity;
Centroid obtains each field intensity signal receiving described networking beacon from node, and successively configures each route from node according to described field intensity signal.
2. carrier communication network-building method according to claim 1, it is characterised in that described confirmation this include from platform district and the phase place of node:
If Centroid receives the platform district confirmation of reply, then it is positioned at same district from node and described Centroid described in judging, and is in respective phase.
3. carrier communication network-building method according to claim 1, it is characterised in that the described networking beacon sent from node retransmission center node includes:
The network number of Centroid from node more described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity;
If identical, then it is judged as this networking beacon forwarded over, termination;
If it is different, and the level number of described networking beacon and beacon round be all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
4. carrier communication network-building method according to claim 1, it is characterised in that described successively configure each according to described field intensity signal and include from the route of node:
Centroid, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Described Centroid is sent to from node by Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
5. a Centroid, it is characterised in that including:
Sending module, in order to sending station district broadcast singal, and according to from the platform district confirmation of node reverts back, to sending networking beacon from node in same district;
Acquisition module, for obtaining each field intensity signal receiving described networking beacon from node;
Routing configuration module, for successively configuring each route from node according to described field intensity signal.
6. Centroid according to claim 5, it is characterised in that described routing configuration module includes:
Routing calculation module, according to described field intensity information, calculates Centroid to from the path of node by routing algorithm, and is saved in the routing table of Centroid;
Described sending module is additionally operable to send to from node described Centroid to from the path of node, by being saved in from the routing table of node in described path from node.
7. one kind from node, it is characterised in that including:
First transceiver module, for receiving the platform district broadcast singal of also retransmission center node, and replys platform district confirmation to Centroid, to confirm this platform district from node and phase place;
Second transceiver module, for the networking beacon received and retransmission center node sends;
Logging modle, is used for recording field intensity signal and beacon identity.
8. according to claim 7 from node, it is characterised in that described first transceiver module includes:
First receiver module, for receiving the platform district broadcast singal of Centroid;
First forwarding module, for forwarding described district's broadcast singal by markers method;
First sending module, for replying platform district confirmation to Centroid, so that described Centroid confirms the platform district from node and phase place.
9. carrier communication network-building method according to claim 7, it is characterised in that described second transceiver module includes:
Second receiver module, for receiving the networking beacon that Centroid sends;
Judge module, for the network number of Centroid in relatively described networking beacon, beacon identity and the network number from the recorded Centroid of node and beacon identity; If identical, then it is judged as this networking beacon forwarded over,
Second forwarding module, when being identical for comparative result, termination, and different at comparative result, and when the level number of described networking beacon and beacon round are all not more than maximum, then forward networking beacon at assigned timeslot and beacon round, otherwise, terminate forwarding.
10. a carrier communication network system, it is characterised in that include the Centroid as according to any one of claim 5,6 and as claimed in any one of claims 7-9 from node.
CN201410601542.4A 2014-10-30 2014-10-30 Carrier wave communication networking method, nodes and system Pending CN105634554A (en)

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CN106100698A (en) * 2016-06-12 2016-11-09 南京南瑞集团公司 A kind of network-building method being applied to the power line carrier module that power information gathers
CN107835521A (en) * 2017-10-27 2018-03-23 深圳友讯达科技股份有限公司 Field strength threshold value network-building method and device
CN109067653A (en) * 2018-09-27 2018-12-21 深圳友讯达科技股份有限公司 The method for building up and system of dual-mode communications network
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CN106100698A (en) * 2016-06-12 2016-11-09 南京南瑞集团公司 A kind of network-building method being applied to the power line carrier module that power information gathers
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CN114842602B (en) * 2022-03-25 2023-10-24 广州番禺电缆集团有限公司 Antitheft cable with distributed monitoring function

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Application publication date: 20160601