CN110401971A - A kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power - Google Patents
A kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power Download PDFInfo
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- CN110401971A CN110401971A CN201910670131.3A CN201910670131A CN110401971A CN 110401971 A CN110401971 A CN 110401971A CN 201910670131 A CN201910670131 A CN 201910670131A CN 110401971 A CN110401971 A CN 110401971A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power, are related to the electric power data acquisition communications field.Linear topology structure is mainly used between electric power data acquisition equipment at present, that there are the coverage areas of networking is small, transmission range is close, network address distributes challenge.The invention includes the following steps: replying response after other nodes in transmission range coverage area receive networking application;After sending the path data that the node for networking and applying receives multiple adjacent nodes returns, sorts by the few priority rule preferential, that the identical then signal of level is strong of central node level, successively send networking checking request to each path;If the node for sending the verifying that networks receives central node authentication successful message, completes to network, and update routing table, current routed path is set as defaulting.The technical program is solved the problems, such as because ensure that effective building of wireless network apart from can not far carry out point-to-point direct wireless telecommunications.
Description
Technical field
The present invention relates to the electric power data acquisition communications fields, more particularly to one kind is based on the proprietary frequency range intelligence of 230MHz electric power
The communication means of ad hoc network.
Background technique
Linear topology structure is mainly used between electric power data acquisition equipment at present.Work as use between meter and concentrator etc.
When wireless networking mode, mainly it is made of a root node and several routing nodes;That there are the coverage areas of networking is small,
Transmission range is close, network address distributes challenge.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
A kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power is provided, to reach the covering for expanding wireless self-networking
The purpose of range.For this purpose, the present invention takes following technical scheme.
A kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power, it is characterised in that including ad hoc network,
The ad hoc network step includes:
1) wireless router is disposed, wireless router uplink passes through optical fiber, wireless private network or wireless public network access service main website, when
When its central node as ad hoc network, the terminal communication module archive list of authorization access need to be set;
2) terminal communication module is disposed, is used as a network node, broadcast transmission networking Shen after terminal communication module start completion
Please, normal flow enters step 3, does not such as receive answer signal, module continues waiting for responding, until time-out;Such as time-out, by one
After the section time, the broadcast transmission networking application again of terminal communication module makes mould until receiving networking application response or by ordering
Block exits networking application status;
3) after other nodes in transmission range coverage area receive networking application, response is replied, response contents are the node
To the path of central node;Such as apply for that the terminal to network is direct-connected in central node, then this step skips over;
4) node for sending the application that networks, after receiving the path data that multiple adjacent nodes return, by few to central node level
Preferential, the sequence of priority rule that the identical then signal of level is strong, establish routing table, then press routing order, successively attempt to give
Each path sends networking checking request " ready ";
5) central node receives networking checking request, judge requesting node address whether in Authority File, such as in archives, then
Central node distributes the unique identifications of 2 bytes to child node as cornet, and replys authentication successful message, while the section
Point arrives the routed path of central node, and the route list of central node is added, and otherwise replys failed authentication message;The cornet conduct
Central node and child node communication are related to address later;
6) if the node for sending the verifying that networks receives central node authentication successful message, complete to network, and update routing table,
Current routed path is set as defaulting, completes networking from group for the node.It sends;Information terminates to central node, networking process.
The technical program is suitable for the wireless self-networking data transmission scheme under the proprietary frequency range of 230MHz electric power, realizes data
Transmitting-receiving, network layer realize wireless self-networking function.On network layer, data realize transparent transmission, carry different application for application layer, whole
A wireless network is voluntarily completed in building process, realizes wireless network from group;It solves because distance can not far carry out a little pair
The problem of point direct wireless telecommunications, it ensure that effective building of wireless network.Data transmission method provided by the present invention presses layer
Secondary pass-through mode ensure that effective transmitting of data transmission;Solve the problems, such as that multinode transmission data lead to data collision.
As optimization technique means: further include data transmission step: the data transmission step includes that business main website issues
The data of event are transmitted;After ad hoc network is formed, when main website needs to issue event, main website first sends messages to wireless repeater,
The message tape terminal communication module Docket No., referred to as trombone, wireless router find corresponding cornet and routing according to trombone
Message is handed down to corresponding child node terminal communication module according to routed path by path, wireless repeater.
As optimization technique means: the data transmission step includes that the data of terminal communication module active reporting event pass
Defeated, after ad hoc network is formed, terminal communication module active reporting event process is terminal communication module according to default route path, first
Message is sent to wireless router, router is information reporting main website.
The utility model has the advantages that
One, entire wireless network is voluntarily completed in building process, realizes wireless network from group;It solves because distance far can not
The problem of carrying out point-to-point direct wireless telecommunications ensure that effective building of wireless network, realize based on 230MHz wirelessly from group
Net improves coverage area, increases transmission range, reduces network address and transmits flow, increases communication stability and reliability.
Two, provided data transmission method ensure that effective transmitting of data transmission by level pass-through mode, solve
The problem of multinode transmission data lead to data collision.
Three, terminal communication module Docket No. is unique, but length is longer, by 16 bytes, only according to terminal communication module
Unique business demand need to be numbered under a wireless repeater;It is each terminal in a wireless repeater networking scope
Communication module distributes a unique 2 byte cornet, and communication can reduce 14 bytes, effectively save network flow every time.
Detailed description of the invention
Fig. 1 is MANET flow process figure of the invention.
Fig. 2 is topological diagram of the invention.
Fig. 3 is data packet composition figure.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
Communication means of the invention includes ad hoc network method and data transmission method.
One) as shown in Figure 1, ad hoc network step includes:
1) wireless router is disposed, wireless router uplink passes through optical fiber, wireless private network or wireless public network access service main website, when
When its central node as ad hoc network, the terminal communication module archive list of authorization access need to be set;
2) terminal communication module is disposed, is used as a network node, broadcast transmission networking Shen after terminal communication module start completion
Please " join request ", normal flow enters step 3, does not such as receive answer signal, module continues waiting for responding, Zhi Daochao
When;Such as time-out, after a period of time, the broadcast transmission networking application again of terminal communication module is rung until receiving the application that networks
It answers or so that module is exited networking application status by order;
3) after other nodes in transmission range coverage area receive networking application, response: " join ack " is replied, in response
Hold for the node to the path of central node;Such as apply for that the terminal to network is direct-connected in central node, then this step skips over;
4) node for sending the application that networks, after receiving the path data that multiple adjacent nodes return, by few to central node level
Preferential, the sequence of priority rule that the identical then signal of level is strong, establish routing table, then press routing order, successively attempt to give
Each path sends networking checking request " ready ";
5) central node receives networking checking request, judge requesting node address whether in Authority File, such as in archives, then
Central node distributes the unique identifications of 2 bytes to child node as cornet, and replys authentication successful message, while the section
Point arrives the routed path of central node, and the route list of central node is added, and otherwise replys failed authentication message;The cornet conduct
Central node and child node communication are related to address later;Return information is " confirm request ";
6) if the node for sending the verifying that networks receives central node authentication successful message, complete to network, and update routing table,
Current routed path is set as defaulting, completes networking from group for the node." confirm ack " information is sent to central node,
Networking process terminates.
This technology is suitable for the wireless self-networking data transmission scheme under the proprietary frequency range of 230MHz electric power, which is based on
The SX126x series wireless low-power consumption chip of semtech company, mac layers use LoraMac, realize data transmit-receive, and network layer is real
Existing wireless self-networking function.On network layer, data realize transparent transmission, carry different application for application layer, entire wireless network exists
It is voluntarily completed in building process, realizes wireless network from group;It solves because distance can not far carry out point-to-point direct channel radio
The problem of news, ensure that effective building of wireless network.Data transmission method provided by the present invention is protected by level pass-through mode
Effective transmitting of data transmission is demonstrate,proved;Solve the problems, such as that multinode transmission data lead to data collision, network topology such as Fig. 2 institute
Show.
Data transmission step: the data transmission step includes the data transmission that business main website issues event;Ad hoc network shape
Cheng Hou, when main website needs to issue event, main website first sends messages to wireless router, the message tape terminal communication module archives
Number, referred to as trombone, wireless router find corresponding cornet and routed path according to trombone, and wireless router is according to routing road
Message is handed down to corresponding child node terminal communication module by diameter.
Two) data are transmitted
Data transmission stream journey can be divided into business main website and issue event in designated terminal communication module and terminal communication module active
Two kinds of report event.
It is that main website first sends messages to wireless router that main website, which issues event to designated terminal communication module process, the message
Then tape terminal communication module Docket No., referred to as trombone find corresponding cornet and routed path according to trombone, realize message
It is handed down to terminal communication module.
Terminal communication module active reporting event process is terminal communication module according to default route path, and first message is sent out
Wireless router is given, router is information reporting main website.
When terminal communication module carries out data transmission, data packet constitutes as shown in Figure 3.
A kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power shown in figure 1 above -2 is the present invention
Specific embodiment, embodied substantive distinguishing features of the present invention and progress, can according to it is actual use needs, of the invention
Under enlightenment, the equivalent modifications of shape, structure etc., the column in the protection scope of this programme are carried out to it.
Claims (3)
1. a kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power, it is characterised in that including ad hoc network side
Method, the ad hoc network step include:
1) wireless router is disposed, wireless router uplink passes through optical fiber, wireless private network or wireless public network access service main website, when
When its central node as ad hoc network, the terminal communication module archive list of authorization access need to be set;
2) terminal communication module is disposed, is used as a network node, broadcast transmission networking Shen after terminal communication module start completion
Please, normal flow enters step 3, does not such as receive answer signal, module continues waiting for responding, until time-out;Such as time-out, by one
After the section time, the broadcast transmission networking application again of terminal communication module makes mould until receiving networking application response or by ordering
Block exits networking application status;
3) after other nodes in transmission range coverage area receive networking application, response is replied, response contents are the node
To the path of central node;Such as apply for that the terminal to network is direct-connected in central node, then this step skips over;
4) node for sending the application that networks, after receiving the path data that multiple adjacent nodes return, by few to central node level
Preferential, the sequence of priority rule that the identical then signal of level is strong, establish routing table, then press routing order, successively attempt to give
Each path sends networking checking request;
5) central node receives networking checking request, judge requesting node address whether in Authority File, such as in archives, then
Central node distributes the unique identifications of 2 bytes to child node as cornet, and replys authentication successful message, while the section
Point arrives the routed path of central node, and the route list of central node is added, and otherwise replys failed authentication message;The cornet conduct
Central node and child node communication are related to address later;
6) if the node for sending the verifying that networks receives central node authentication successful message, complete to network, and update routing table,
Current routed path is set as defaulting, completes networking from group for the node;Central node is sent information to, networking process terminates.
2. a kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power according to claim 1, special
Sign is: further including data transmission method, data transmission includes the data transmission that business main website issues event;Ad hoc network is formed
Afterwards, when main website needs to issue event, main website first sends messages to wireless router, which compiles
Number, referred to as trombone, wireless router find corresponding cornet and routed path according to trombone, and wireless router is according to routed path
Message is handed down to corresponding child node terminal communication module.
3. a kind of communication means based on the proprietary frequency range intelligence ad hoc network of 230MHz electric power according to claim 2, special
Sign is: the data transmission further includes the data transmission of terminal communication module active reporting event, after ad hoc network is formed, eventually
End communication module active reporting event process is terminal communication module according to default route path, and first message is sent in wireless
After device, repeater is information reporting main website.
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CN111200669A (en) * | 2019-12-31 | 2020-05-26 | 广西诚新慧创科技有限公司 | Wireless ad hoc network method and system for power transmission line |
CN112738812A (en) * | 2020-12-24 | 2021-04-30 | 普联国际有限公司 | Wireless network automatic adjustment method and device, terminal equipment and storage medium |
CN112969211A (en) * | 2021-02-25 | 2021-06-15 | 新开普电子股份有限公司 | LoRa ad hoc network method and system of mesh structure |
CN112995960A (en) * | 2021-03-09 | 2021-06-18 | 北京果枝众合科技有限公司 | Data transmission method for straight-through communication of chained networking terminals |
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CN112995960A (en) * | 2021-03-09 | 2021-06-18 | 北京果枝众合科技有限公司 | Data transmission method for straight-through communication of chained networking terminals |
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