CN107623535A - A kind of communication means of bandwidth carrier - Google Patents
A kind of communication means of bandwidth carrier Download PDFInfo
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- CN107623535A CN107623535A CN201710851721.7A CN201710851721A CN107623535A CN 107623535 A CN107623535 A CN 107623535A CN 201710851721 A CN201710851721 A CN 201710851721A CN 107623535 A CN107623535 A CN 107623535A
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Abstract
A kind of communication means of bandwidth carrier, including：(1) website in power line network is divided into odd number stop point and even numbers stop point centered on concentrator；(2) odd number stop point dynamic instrumentation communication path, even numbers stop point Dynamic Maintenance local routing table；Dynamic instrumentation communication path includes：Generate probe messages and carry source address and final purpose address as object message, probe messages；At least using reach the final purpose address via next-hop direct address corresponding to website as website to be assessed；Optimal communication website is filtered out from the website to be assessed；The object message is sent to the optimal communication website；When receiving probe messages, as object message；Perform forwarding strategy；Dynamic Maintenance local routing table includes：It is the path for sending address or forwarding side address that source address, the next-hop direct address entrained by the object message are the object message that local routing table is recorded into final purpose address.
Description
Technical field
The present invention relates to the technical field of power communication, more particularly to a kind of communication means of bandwidth carrier.
Background technology
With the progress and development of science and technology, power communication industry has also welcome high speed development.In power line carrier communication network
In network, concentrator and other site communications are realized using concentrated route scheme at present：Concentrator enters to TOCOM total communication path
Row unified management, the complete trails of each website is recorded, when concentrator sends data to a certain website, can be added in data packet head
Complete trails information.
But because the channel of power line network has time variation, frequency easily decays, and disturbs the characteristics of strong, therefore work as
When power line network channel situation sends change, concentrator hardly results in new communication path, time-consuming also very long even if obtaining, because
This its adaptive ability is very poor, can not carry out real-time Communication for Power, effective bad.
The content of the invention
The defects of to overcome prior art, the technical problem to be solved in the present invention is to provide a kind of communication of bandwidth carrier
Method, its adaptive ability is strong, can carry out real-time Communication for Power, effective good, and communication speed is faster, single site communication effect
Rate is higher.
The technical scheme is that：The communication means of this bandwidth carrier, this method comprise the following steps：
(1) website in power line network is divided into odd number stop point and even numbers stop point centered on concentrator；
(2) the odd number stop point dynamic instrumentation communication path, the even numbers stop point Dynamic Maintenance local routing table；
Wherein：
The local routing table records at least one route table items, and each route table items, which comprises at least, reaches final mesh
Address via path, the path includes next-hop direct address；
The dynamic instrumentation communication path includes：
Generate probe messages and carry source address and final purpose address as object message, the probe messages；
At least using reach the final purpose address via next-hop direct address corresponding to website as to be evaluated
Estimate website；
Optimal communication website is filtered out from the website to be assessed；
The object message is sent to the optimal communication website；
When receiving probe messages, as object message；
Perform forwarding strategy；
The Dynamic Maintenance local routing table includes：It is the object message that local routing table is recorded into final purpose address
Entrained source address, next-hop direct address for the object message the path for sending address or forwarding side address.
The present invention passes through the odd number stop point dynamic instrumentation communication path, even numbers stop point Dynamic Maintenance local road
By table, and the communication path of whole network is not safeguarded by concentrator centralized management as prior art, thus it is adaptive should be able to
Power is strong, can carry out real-time Communication for Power, effective good, and communication speed is faster, and single site communication is more efficient.
Brief description of the drawings
Fig. 1 show the power line network logical tree topology schematic diagram according to the present invention.
Fig. 2 show the flow chart of the communication means of the bandwidth carrier according to the present invention.
Embodiment
As shown in Figure 1, 2, the communication means of this bandwidth carrier, this method comprise the following steps：
(1) website in power line network is divided into odd number stop point and even numbers stop point centered on concentrator；
(2) the odd number stop point dynamic instrumentation communication path, the even numbers stop point Dynamic Maintenance local routing table；
Wherein：
The local routing table records at least one route table items, and each route table items, which comprises at least, reaches final mesh
Address via path, the path includes next-hop direct address；
The dynamic instrumentation communication path includes：
Generate probe messages and carry source address and final purpose address as object message, the probe messages；
At least using reach the final purpose address via next-hop direct address corresponding to website as to be evaluated
Estimate website；
Optimal communication website is filtered out from the website to be assessed；
The object message is sent to the optimal communication website；
When receiving probe messages, as object message；
Perform forwarding strategy；
The Dynamic Maintenance local routing table includes：It is the object message that local routing table is recorded into final purpose address
Entrained source address, next-hop direct address for the object message the path for sending address or forwarding side address.
The present invention passes through the odd number stop point dynamic instrumentation communication path, even numbers stop point Dynamic Maintenance local road
By table, and the communication path of whole network is not safeguarded by concentrator centralized management as prior art, thus it is adaptive should be able to
Power is strong, can carry out real-time Communication for Power, effective good, and communication speed is faster, and single site communication is more efficient.
In addition, concentrator is managed collectively, and it is unified to initiate the odd number stop point dynamic instrumentation communication path, uniformly inform institute
Even numbers stop point Dynamic Maintenance local routing table is stated, and carries out timesharing maintenance.It is so more efficient, communication accuracy is more preferable.
In addition, the even numbers stop point Dynamic Maintenance local path information table, local path information token load can be with this
The channel capacity information of all periphery websites of site communication.
In addition, the Dynamic Maintenance local path information table includes：Update in the local path information table, the target
The sender of message or the channel capacity information corresponding to forwarding side.
In addition, the Dynamic Maintenance local path table also includes：When it is determined that sending or forwarding the mesh by a path
After marking message failure, close in local routing table and send or forward the path of object message failure；
The Dynamic Maintenance local path information table also includes：Send or turn in local routing table is closed
After the communication path for sending out object message failure, pent road in local path information table is updated
The channel capacity information of website in footpath corresponding to next-hop direct address.
In addition, the dynamic instrumentation communication path also includes：Returned back to the sender or forwarding side of the object message
Hold.
In addition, the forwarding strategy includes：Judge the address of itself and the final destination entrained by the object message
Whether location is matched, and is, the object message is not forwarded, and otherwise the object message is forwarded.
In addition, when the road for the final purpose address that at least two reachable object messages are stored with the local routing table
During footpath, carrying out forwarding to the object message includes：
At least by reach the final purpose address via next-hop direct address corresponding to website
As website to be assessed；
Optimal communication website is filtered out from the website to be assessed；
At least the object message is forwarded via the optimal communication website.
Filter out optimal communication website in addition, described from the website to be assessed and include：
According to the channel capacity information described in the local path information table, filtered out most from the website to be assessed
Excellent communication site；
For each periphery website, the channel capacity information includes：Physical line parameters quality SNR value, the week
The stability of side website and this site communication, the load of the periphery website, the level of the periphery website, the periphery website
With the transmitting-receiving intercommunity of this website.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, it is every according to
Any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still belong to the present invention
The protection domain of technical scheme.
Claims (9)
- A kind of 1. communication means of bandwidth carrier, it is characterised in that：This method comprises the following steps：(1) website in power line network is divided into odd number stop point and even numbers stop point centered on concentrator；(2) the odd number stop point dynamic instrumentation communication path, the even numbers stop point Dynamic Maintenance local routing table；Wherein：The local routing table records at least one route table items, and each route table items, which comprises at least, reaches final destination Location via path, the path includes next-hop direct address；The dynamic instrumentation communication path includes：Probe messages are generated to carry actively as object message, the probe messages Location and final purpose address；At least by reach the final purpose address via next-hop direct address corresponding to website As website to be assessed；Optimal communication website is filtered out from the website to be assessed；Institute is sent to the optimal communication website State object message；When receiving probe messages, as object message；Perform forwarding strategy；The Dynamic Maintenance local routing table includes：Local routing table record final purpose address is taken by the object message Source address, the next-hop direct address of band are the transmission address of the object message or the path of forwarding side address.
- 2. the communication means of bandwidth carrier according to claim 1, it is characterised in that：Concentrator is managed collectively, unified hair The odd number stop point dynamic instrumentation communication path is played, uniformly informs the even numbers stop point Dynamic Maintenance local routing table, and Carry out timesharing maintenance.
- 3. the communication means of bandwidth carrier according to claim 1, it is characterised in that：The even numbers stop point Dynamic Maintenance Local path information table, local path information token, which carries, to be believed with the channel capacity of all periphery websites of this site communication Breath.
- 4. the communication means of bandwidth carrier according to claim 3, it is characterised in that：The Dynamic Maintenance local path letter Breath table includes：Update the channel energy in the local path information table, corresponding to the sender of the object message or forwarding side Force information.
- 5. the communication means of bandwidth carrier according to claim 4, it is characterised in that：The Dynamic Maintenance local path table Also include：After it is determined that sending or forwarding the object message failure by path, close in local routing table send or Forward the path of object message failure；The Dynamic Maintenance local path information table also includes：Object message failure is sent or forwarded in local routing table is closed Communication path after, update website in local path information table in pent path corresponding to next-hop direct address Channel capacity information.
- 6. the communication means of bandwidth carrier according to claim 5, it is characterised in that：The dynamic instrumentation communication path is also Including：Sender or forwarding side to the object message return to receipt.
- 7. the communication means of bandwidth carrier according to claim 1, it is characterised in that：The forwarding strategy includes：Judge Whether the address of itself matches with the final purpose address entrained by the object message, is the object message not to be carried out then Forwarding, is otherwise forwarded to the object message.
- 8. the communication means of bandwidth carrier according to claim 7, it is characterised in that：Stored when in the local routing table When having the path of the final purpose address of at least two reachable object messages, carrying out forwarding to the object message includes：At least using reach the final purpose address via next-hop direct address corresponding to website as station to be assessed Point；Optimal communication website is filtered out from the website to be assessed；At least the object message is forwarded via the optimal communication website.
- 9. the communication means of bandwidth carrier according to claim 8, it is characterised in that：It is described from the website to be assessed Filtering out optimal communication website includes：According to the channel capacity information described in the local path information table, filtered out from the website to be assessed optimal logical Believe website；For each periphery website, the channel capacity information includes：Physical line parameters quality SNR value, the periphery station The stability of point and this site communication, the load of the periphery website, the level of the periphery website, the periphery website and sheet The transmitting-receiving intercommunity of website.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710851721.7A CN107623535A (en) | 2017-09-19 | 2017-09-19 | A kind of communication means of bandwidth carrier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710851721.7A CN107623535A (en) | 2017-09-19 | 2017-09-19 | A kind of communication means of bandwidth carrier |
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| CN107623535A true CN107623535A (en) | 2018-01-23 |
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| CN201710851721.7A Pending CN107623535A (en) | 2017-09-19 | 2017-09-19 | A kind of communication means of bandwidth carrier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108234324A (en) * | 2017-12-16 | 2018-06-29 | 广西电网有限责任公司电力科学研究院 | A kind of communication means of bandwidth carrier |
| CN112994748A (en) * | 2021-02-03 | 2021-06-18 | 青岛鼎信通讯股份有限公司 | Medium-voltage carrier-based configuration-free path detection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375217A (en) * | 2016-08-26 | 2017-02-01 | 中电华瑞技术有限公司 | Communication method and device |
-
2017
- 2017-09-19 CN CN201710851721.7A patent/CN107623535A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375217A (en) * | 2016-08-26 | 2017-02-01 | 中电华瑞技术有限公司 | Communication method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108234324A (en) * | 2017-12-16 | 2018-06-29 | 广西电网有限责任公司电力科学研究院 | A kind of communication means of bandwidth carrier |
| CN112994748A (en) * | 2021-02-03 | 2021-06-18 | 青岛鼎信通讯股份有限公司 | Medium-voltage carrier-based configuration-free path detection method |
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Application publication date: 20180123 |