CN105764109B - A kind of low pressure electricity consumption acquisition wireless meter-reading systematic networking method - Google Patents
A kind of low pressure electricity consumption acquisition wireless meter-reading systematic networking method Download PDFInfo
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- CN105764109B CN105764109B CN201610225346.0A CN201610225346A CN105764109B CN 105764109 B CN105764109 B CN 105764109B CN 201610225346 A CN201610225346 A CN 201610225346A CN 105764109 B CN105764109 B CN 105764109B
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- 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
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
- H04W40/14—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality based on stability
-
- 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
- H04W40/244—Connectivity information management, e.g. connectivity discovery or connectivity update using a network of reference devices, e.g. beaconing
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of low pressure electricity consumptions to acquire wireless meter-reading systematic networking method, comprising the following steps: S1, backup child node current routing table and field intensity set;S2, networking is carried out using the mode of secondary beacon;S3, child node field intensity set is collected using route stand-by;The mode that S4, three-level field strength thresholding are decontroled step by step collects field intensity set;S5, field strength thresholding is decontroled, the mode for traversing field intensity set calculates child node route, including calculates level and routing metric etc., retains high priority routing according to weight rule;S6, routing table and routing metric are adjusted according to route stand-by.The present invention is using new beacon pass-through mode, new field intensity set collection mode, new route computing method etc., in the case where compatibility existing standard, energy raising group net spee and networking success rate, and most steady wireless communication routing can be selected.
Description
Technical field
The present invention relates to intelligent electric meter data acquisition fields, and more specifically, it relates to a kind of low pressure electricity consumption acquisitions
Wireless meter-reading systematic networking method.
Background technique
2013, State Grid Corporation of China has issued Q/GDW 11016-2013, and " power user power consumption information acquisition system was logical
Believe the 4th part of agreement: the Data Transport Protocol based on micro power radio communication ".The standard specifies the networking stream of wireless network
Journey frame also provides some routing algorithms and makes reference, but calculates beacon pass-through mode therein, field strength collection mode, routing
Method etc., there is no deeply refinements, also do not do mandatory provision.Existing some conventional networking processes, in some special cases group
Net success rate is low, organizes net spee slowly and due to the variation of environment, and the robustness routed is caused to be deteriorated.
Summary of the invention
In view of this, it is necessary in view of the above-mentioned problems, a kind of low pressure electricity consumption acquisition wireless meter-reading systematic networking method is provided,
In the case where compatible existing standard, energy raising group net spee and networking success rate, and most steady wireless communication can be selected
By.
To achieve the goals above, technical scheme is as follows:
A kind of low pressure electricity consumption acquisition wireless meter-reading systematic networking method, comprising the following steps:
S1, backup child node current routing table and field intensity set;
S2, networking is carried out using the mode of secondary beacon;
S3, child node field intensity set is collected using route stand-by;
The mode that S4, three-level field strength thresholding are decontroled step by step collects field intensity set;
S5, field strength thresholding is decontroled, the mode for traversing field intensity set calculates child node route table, including calculates level and routing power
Value etc. retains high priority routing according to weight rule;
S6, routing table and routing metric are adjusted according to route stand-by.
Preferably, each child node can forward beacon twice in the step S2, and the net of beacon frame twice
Network scale has fine tuning, and the time slot collision situation of child node can be changed.
It further include maintenance centre's nodes neighbors preferably, in the step S3, and the field of collection center nodes neighbors
Strong table.
Preferably, using three-level field strength thresholding, reducing field strength thresholding, step by step in the step S4 with path signal
The preferential mode of intensity collects field intensity set.
Preferably, since the first-level nodes, successively traversing field intensity set, search from top to bottom in the step S5
Routing can be used, when route search, not limit field intensity value, field strength thresholding is only used as the foundation of routing metric, is calculating routing metric
When use;When search routing, if child node route table is less than, all routings searched are saved;If child node route
Number has arrived maximum value, then retains high priority using field strength thresholding rule.
Preferably, the field strength thresholding rule are as follows: signal strength is replaced in routing up to standard using signal strength first
Routing not up to standard;Include:
It routes length rule: in the routing for all meeting field strength thresholding, retaining the least routing of relay node;
Signal strength rule: in the routing for being all unsatisfactory for field strength thresholding, the strongest routing of stick signal field strength.
Preferably, the routing length rule specifically includes:
Duplicate node rule: in the identical routing of routing length, retain the least routing of duplicate node;
Signal strength rule: the identical routing of duplicate node number, the strongest routing of stick signal field strength.
Preferably, the signal strength rule specifically includes:
It routes length rule: in the identical routing of signal strength, retaining the least routing of relay node;
Duplicate node rule: in the identical routing of relay node, retain the least routing of duplicate node.
Compared with prior art, the beneficial effects of the present invention are: the present invention provides a kind of new networking processes, including
New beacon pass-through mode, new field intensity set collection mode, new route computing method etc., the compatibility existing standard the case where
Under, energy raising group net spee and networking success rate, and most steady wireless communication routing can be selected.
Detailed description of the invention
Fig. 1 is the method block diagram of the embodiment of the present invention;
Fig. 2 is the specific flow chart of the method for the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples to a kind of low pressure electricity consumption acquisition wireless meter-reading system group network side of the present invention
Method is described further.
It is a kind of preferred example of low pressure electricity consumption acquisition wireless meter-reading systematic networking method of the present invention below, not
Therefore it limits the scope of protection of the present invention.
As depicted in figs. 1 and 2, a kind of low pressure electricity consumption of the invention acquires wireless meter-reading systematic networking method, including following
Step:
S1, starting networking, backup child node current routing table and field intensity set;Do not change in central node parameter and archives
In the case where, if child node in net and has the operating status statistical information of network, during new networking,
It can refer to and using old routing table and field intensity set, to improve networking success rate, group net spee, improve routing robustness;
S2, networking is carried out using the mode of secondary beacon;The mode of secondary beacon networking, each child node has to be forwarded twice
The chance of beacon, and the network size of beacon frame has fine tuning twice, thus it is possible to vary the time slot collision situation of child node, thus very
The problem of reducing beacon retransmission failure in big degree;
S3, child node field intensity set is collected using route stand-by;Field intensity set reflects the correlation between node, is routing
The main foundation calculated;It is successively to collect child node outward since the nodes neighbors table of center in general networking process
Field intensity set, this collection mode is neighbours' field intensity set collection junior's child node field intensity set according to superior node, due to using
The routing of one way signal intensity selection, it is possible that it is unstable in the presence of routing, cause field strength collection to fail.If using backup
Child node field strength is collected in routing, can largely be avoided this kind of situation, be improved the gathering speed of field intensity set.
The mode that S4, three-level field strength thresholding are decontroled step by step collects field intensity set;
S5, field strength thresholding is decontroled, the mode for traversing field intensity set calculates child node route table, including calculates level and routing power
Value etc. retains high priority routing according to weight rule;
S6, routing table and routing metric are adjusted according to route stand-by.It, may due to interference etc. during networking
Cause child node unreasonable without routing or routing metric.By route stand-by table and its practical operating statistic as a result, adjustment
After routing table and routing metric, the reliability of networking success rate and routing metric can be improved.
Preferably, child node is when forwarding beacon in the step S2, although there is time slot collision detection machine
The case where making, but time slot collision can not be avoided completely.In addition, if being done in beacon forwarding by other electromagnetic signals
It disturbs, it is also possible to lead to beacon retransmission failure.It, may if beacon retransmission failure in general beacon networking process
The node networking is caused to fail.For the present invention by the way of secondary beacon networking, each child node has the machine for forwarding beacon twice
Meeting, and the network size of beacon frame has fine tuning twice, in the present embodiment, when waiting two circle time slots after transmission beacon for the first time
Between, seven circle slot times are waited after second of transmission beacon;The time slot collision situation that can change child node, thus largely
The problem of upper reduction beacon retransmission failure.Since beacon forwarding is successively to external diffusion, if two circle time slot of difference between beacon
Period will not generate interference between each other.
It further include maintenance centre's nodes neighbors preferably, in the step S3, and the field of collection center nodes neighbors
Strong table.
Preferably, having used three-level field strength thresholding in the step S4, pass through field strength thresholding 1, field strength thresholding respectively
2, the mode that field strength thresholding 3 reduces field strength thresholding step by step collects child node field intensity set.It is according to centromere in general algorithm
Point field strength thresholding, judge the collecting path of field intensity set, thresholding setting it is lower when, may cause routing it is unstable, in field strength
When thresholding is too high, the collect & route for not meeting condition may cause, so that field strength collection is very slow or collects failure.The present invention
Field intensity set is collected in the mode that path signal strength is preferential, the gathering speed of field intensity set can be improved.
Preferably, since the first-level nodes, successively traversing field intensity set, search from top to bottom in the step S5
Routing can be used, when route search, not limit field intensity value, field strength thresholding is only used as the foundation of routing metric, is calculating routing metric
When use;When search routing, if child node route table is less than, all routings searched are saved;If child node route
Number has arrived maximum value, then is replaced using field strength thresholding rule.
Preferably, the field strength thresholding rule are as follows: signal strength is replaced in routing up to standard using signal strength first
Routing not up to standard;Include:
It routes length rule: in the routing for all meeting field strength thresholding, retaining the least routing of relay node;
Signal strength rule: in the routing for being all unsatisfactory for field strength thresholding, the strongest routing of stick signal field strength.
Preferably, the routing length rule specifically includes:
Duplicate node rule: in the identical routing of routing length, retain the least routing of duplicate node;
Signal strength rule: the identical routing of duplicate node number, the strongest routing of stick signal.
Preferably, the signal strength rule specifically includes:
It routes length rule: in the identical routing of signal strength, retaining the least routing of relay node;
Duplicate node rule: in the identical routing of relay node, retain the least routing of duplicate node.
In conclusion the present invention provides a kind of new networking processes, including new beacon pass-through mode, new field intensity set
Collection mode, new route computing method etc. can raising group net spee and networking successes in the case where compatibility existing standard
Rate, and most steady wireless communication routing can be selected.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of low pressure electricity consumption acquires wireless meter-reading systematic networking method, which comprises the following steps:
S1, backup child node current routing table and field intensity set;
S2, networking is carried out using the mode of secondary beacon, i.e., each child node has the chance for forwarding beacon twice;
S3, child node field intensity set is collected using route stand-by;
The mode that S4, three-level field strength thresholding are decontroled step by step is collected field intensity set and is led to respectively that is, according to the signal strength between routing node
The mode for crossing field strength thresholding 1, field strength thresholding 2, field strength thresholding 3 step by step and reducing field strength thresholding collects child node field intensity set;
S5, field strength thresholding is decontroled, the mode for traversing field intensity set calculates child node route, including calculates level and routing metric etc.,
Retain high priority routing according to weight rule;
S6, routing table and routing metric are adjusted according to route stand-by.
2. low pressure electricity consumption according to claim 1 acquires wireless meter-reading systematic networking method, which is characterized in that the step
In S2, each child node can forward beacon twice, and the network size of beacon frame has fine tuning twice, and child node can be changed
Time slot collision situation.
3. low pressure electricity consumption according to claim 1 acquires wireless meter-reading systematic networking method, which is characterized in that the step
It further include maintenance centre's nodes neighbors in S3, and the field intensity set of collection center nodes neighbors.
4. low pressure electricity consumption according to claim 1 acquires wireless meter-reading systematic networking method, which is characterized in that the step
In S4, using three-level field strength thresholding, field strength thresholding is reduced step by step, field intensity set is collected in the mode that path signal strength is preferential.
5. low pressure electricity consumption according to claim 1 acquires wireless meter-reading systematic networking method, which is characterized in that the step
In S5, since the first-level nodes, layer-by-layer traversal field intensity set from top to bottom, search can use routing, when route search, not limiting field
Intensity values, field strength thresholding are only used as the foundation of routing metric, use when calculating routing metric;When search routing, if child node
Routing table is less than, then saves all routings searched;If child node route number has arrived maximum value, routing metric is used
Rule retains high weight routing.
6. low pressure electricity consumption according to claim 5 acquires wireless meter-reading systematic networking method, which is characterized in that the field strength
Thresholding rule are as follows: routing up to standard using signal strength first, the routing not up to standard of replacement signal strength;It specifically includes:
It routes length rule: in the routing for all meeting field strength thresholding, retaining the least routing of relay node;
Signal strength rule: in the routing for being all unsatisfactory for field strength thresholding, the strongest routing of stick signal field strength.
7. low pressure electricity consumption according to claim 6 acquires wireless meter-reading systematic networking method, which is characterized in that the routing
Length rule specifically includes, when routing length is identical:
Duplicate node rule: in the identical routing of routing length, retain the least routing of duplicate node;
Signal strength rule: the identical routing of duplicate node number, the strongest routing of stick signal field strength.
8. low pressure electricity consumption according to claim 6 acquires wireless meter-reading systematic networking method, which is characterized in that the signal
Intensity rule specifically includes, when signal strength is identical:
It routes length rule: in the identical routing of signal strength, retaining the least routing of relay node;
Duplicate node rule: in the identical routing of relay node, retain the least routing of duplicate node.
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CN107509227B (en) * | 2017-07-05 | 2020-05-08 | 国网浙江省电力公司 | Micropower wireless network communication method for electricity consumption information acquisition system |
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CN104483936A (en) * | 2014-12-02 | 2015-04-01 | 黄河科技学院 | Wireless network information collection platform of wireless data access system |
CN104917820A (en) * | 2015-05-04 | 2015-09-16 | 宁波三星智能电气有限公司 | Data transmission method based on micro-power wireless interconnecting and interworking technology |
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CN104483936A (en) * | 2014-12-02 | 2015-04-01 | 黄河科技学院 | Wireless network information collection platform of wireless data access system |
CN104917820A (en) * | 2015-05-04 | 2015-09-16 | 宁波三星智能电气有限公司 | Data transmission method based on micro-power wireless interconnecting and interworking technology |
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