CN107835522A - A kind of method of the fast quick-recovery of micropower wireless network - Google Patents
A kind of method of the fast quick-recovery of micropower wireless network Download PDFInfo
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- CN107835522A CN107835522A CN201710543381.1A CN201710543381A CN107835522A CN 107835522 A CN107835522 A CN 107835522A CN 201710543381 A CN201710543381 A CN 201710543381A CN 107835522 A CN107835522 A CN 107835522A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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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
- 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
Abstract
A kind of method of the fast quick-recovery of micropower wireless network, it is related to power information collection field.At present, the abnormal conditions such as have a power failure when running into whole taiwan area, after service restoration, Centroid and child node complete again networking operation and need to expend long time.The present invention includes taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, child node power loss recovery workflow.The technical program is after Centroid, child node network, then carries out the adjustment of next step, while power loss recovery is improved, also improves the stability of work.During networking, part steps are removed, and multiple tasks perform simultaneously, make the fast quick-recovery of network, reduce the loss for having a power failure and bringing.
Description
Technical field
The present invention relates to power information to gather field, especially a kind of method of the fast quick-recovery of micropower wireless network.
Background technology
Under the power information acquisition system of Utilities Electric Co., the meter reading at many scenes is to use micropower wirelessly,
The Centroid that micropower is wireless is the micro power radio communication unit CAC that concentrator is internally integrated, and child node is exactly with micro-
The electric energy meter or collector of power wireless communications unit., can be first after each electrifying startup as the CAC of Centroid
Scan channel is carried out, it is determined that the channel list of normal frequency hopping, is then transmitted beacon frame, channel-monitoring, waits child node Shen
The operations of networkings a series of such as please network.Child node will pass through Network finding, father node selection after starting every time, network application behaviour
The steps such as work could be completed into net operation；Wherein Network finding is exactly first to carry out all frequencies according to certain sequential in MAC layer
Channel be resident（Slow frequency hopping）Monitor, notify Internet after monitoring discovery network, that is, complete Network finding simultaneously operating；Father saves
Point selection is exactly the signal intelligence of the beacon frame sent according to surrounding neighbours, and optimal node is selected according to indexs such as link-qualities
As father node so as to be networked to Centroid application.If running into the abnormal conditions such as whole taiwan area power failure, after service restoration,
Centroid and child node, which complete above-mentioned networking operation again, to be needed to expend long time, and with the increasing of network capacity
Greatly, the increase that the spent time can be at double.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved,
A kind of method of the fast quick-recovery of micropower wireless network is provided, the abnormal conditions lower network resume speeds such as power failure are improved to reach
Purpose.Therefore, the present invention takes following technical scheme.
A kind of method of the fast quick-recovery of micropower wireless network, micropower wireless network are used for concentrator and collector or electricity
Communication between energy table, the Centroid that micropower is wireless is the micro power radio communication unit CAC that concentrator is internally integrated, son
Node is exactly the electric energy meter or collector for having micro power radio communication unit；It is characterized in that：Micropower wireless network is fast
The method of quick-recovery includes taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, child node power down
Resume work flow；
1) taiwan area whole power loss recovery functional sequence comprises the following steps：
11) in taiwan area collective after electricity, all devices such as Centroid and child node are all in fixed frequency work, and maintain one section
Time, increase the probability of child node reception beacon with this；
12) after all child nodes receive Home Network beacon, the net operation that enters of normal flow is carried out immediately, while starts a heartbeat
Report flow, so that Centroid establishes routing table；
13) after completing heartbeat report flow, start to forward beacon, accelerate the recovery of whole network；
14) the whole network starts in first time slot of the 4th superframe, starts frequency hopping communications according to normal frequency hopping lists；
2) Centroid power loss recovery workflow comprises the following steps：
21) taiwan area whole power loss recovery functional sequence is carried out on Centroid after electricity；
22) after continuing multiple superframes, into normal condition frequency hopping；
3) child node power loss recovery workflow comprises the following steps：
31) performed on after electricity and actively enter net operation;
32）If actively networking successfully, terminate child node power loss recovery workflow；If actively networking failure, taiwan area is performed
Whole power loss recovery functional sequences；
33）If child node power loss recovery success in taiwan area whole power loss recovery functional sequence is performed, terminates child node power down
Resume work flow；Enter if child node if power loss recovery failure in performing taiwan area whole power loss recovery functional sequence normal slow
The pressure network beacon of frequency hopping, now scanning center's node, it is all not network when child node scanning is to pressure network beacon
Child node is required for unconditionally initiating into network process to the affiliated Centroid of the beacon.
The technical program passes through taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, sub- section
Point power loss recovery workflow effectively improves Centroid, child node enters net spee.Part steps are removed, and multiple tasks are same
Shi Zhihang, make the fast quick-recovery of network, reduce the loss for having a power failure and bringing.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
Further, in step 22）In, after Centroid continues 3 superframes, enter normal shape in the 4th overclocking frame
State frequency hopping.
Further, after Centroid, child node network, child node performs child node optimal network selection flow:Son
When node does normal frequency hopping communications in the network of affiliated Centroid, during using free time in each time slot of synchronizing network
Between, scanned into surrounding network, i.e., child node carries out double frequency spot scan in each reception time slot, passes through prolonged surrounding network
Scanning, basic complete periphery neighbor network information, Integrated comparative and the quality of own net condition are obtained, is made whether to switch
To the decision of other networks；If neighbor networks are better than present networks, gateway associative operation is performed.
Further, node optimal network selection flow comprises the following steps：
41）Start optimal network selection work when receiving time slot；
42）Judge whether to detect that present networks beacon is leading in time-out time, if detecting in time-out time, present networks are believed
Mark it is leading, then wait present networks message, if detecting present networks message in time-out time, receive present networks message, if overtime
Present networks message is not detected by time, then switches to targeted scans frequency, starts slow frequency hopping scanning；Receiving present networks message
Afterwards be not detected by time-out time present networks beacon it is leading when, also switch to targeted scans frequency, start slow frequency hopping scanning；
43）Message is persistently received, if effective beacon, then record neighbor network information；
44）Judge whether time slot terminates, if being not over, continue step 13）；If time slot terminates, compare neighbor networks with
Present networks link quality information；
45）Judge whether neighbor networks are better than present networks, including network level, link-quality, network size factor；
46）If neighbor networks are better than present networks, networking associative operation is performed, is otherwise terminated, wait the reception time slot of next time to open
Begin.
Further, after Centroid, child node network, perform the whole network and perceive flow：Child node intercepts the neighbour of oneself
The beacon frame of child node transmission is occupied, if it find that more than 1 superframe of some neighbours' child node does not have beacon on, then during photos and sending messages are given
Heart node reports that this superframe of the child node does not have beacon on, Centroid to send out roll-call frame acknowledgment neighbour once after receiving information
Child node is occupied whether in net, if not receiving roll-call acknowledgement frame, off-network situation real-time synchronization to concentrator, by concentrator
Real-time report is to acquisition system main website；
Further, the whole network perceives flow and comprised the following steps：
51）Child node intercepts neighbours' beacon message；
52）Judge whether to receive neighbor information, if not receiving neighbor information, continue executing with step 51）Intercept neighbours' beacon
Information；If receiving neighbor information, into next step 23）；
53）Calculate the time interval for receiving neighbor node；
54）Judge whether time interval exceedes limit value；If time interval exceedes limit value, Centroid is reported, the neighbours may
Offline, if time interval is not above limit value, step 51 is continued executing with）Intercept neighbours' beacon message.
55）Centroid intercepts child node and reports information, if receiving child node reports neighbours' information off-line, to being reported
Child node call the roll；
56）Judge whether child node replys, if child node there is not response, report the concentrator child node offline, if child node should
Answer, continue executing with step 55）Intercept child node and report information.
Further, after Centroid, child node network, perform batch and change flow and active synchronization report flow；
Batch changes flow：Centroid periodically performs search child node operation at the daily t1 moment, next every
It t2 timing synchronization attaching relations are synchronized to acquisition system main website to concentrator；
Active synchronization report flow：When Centroid finds to have newly-increased child node, the operation of the child node is scanned in real time,
And the attaching relation of the child node is only synchronized to concentrator in real time, concentrator is synced up to acquisition system main website, by adopting
Collecting system main website determines the new attaching relation of child node according to the sequencing to be called time in synchronization；Concentrator reports synchronization every time
Within m minutes after attaching relation to acquisition system main website, no matter whether attaching relation occurs change does not report again, m points
Change after clock if any attaching relation, then continue to report.
Further, active synchronization report flow include synchronous and concentrator between Centroid CAC and concentrator with
Synchronization between acquisition system main website；
61）It is synchronous between Centroid CAC and concentrator：When there is new node to add network, judge whether to need to search table, if
Need, start single-point and search table, if need not if directly report concentrator, when receive confirm response after, complete Centroid
Synchronizing process between CAC and concentrator；
62）It is synchronous between concentrator and acquisition system main website：It is laggard that concentrator gets the newly-increased child node information that CAC is reported
Row archives synchronized update, while report parameter modification to record event ERC3, change parameter data cell is identified as in data content
Measurement point state parameter F150, concentrator internal file parameter modification mark is reported into acquisition system main website.
Beneficial effect：
1st, the technical program passes through taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, child node
Power loss recovery workflow effectively improves Centroid, child node enters net spee.Part steps are removed, and multiple tasks are simultaneously
Perform, make the fast quick-recovery of network, reduce the loss for having a power failure and bringing.
2nd, the technical program is after Centroid, child node network, then carries out the adjustment of next step, is improving power loss recovery
While, also improve the stability of work.
3rd, step is perceived by the whole network so that child node off-network can find in time, time update Centroid and child node
Corresponding relation, avoid event of data loss etc. occur；
4th, for the technical program by the periodically shorter beacon frame of MAC layer, child node intercepts what the neighbours' child node of oneself was sent
Beacon frame, to find the off-network of neighbor node in time, be advantageous to quick discovery, repair abnormal conditions, improve power information collection
Accuracy, the stability of system work, reliability.
5th, pass through child node optimal network select step so that child node can under own net normal communication state,
The scanning of surrounding network is carried out, does not influence normally to work, once there is situations such as undesirable network, suspension, can turn in time
Net, avoid the occurrence of the situation of loss of data.
6th, batch changes step and active synchronization reports step, ensures the archives corresponding relation between Centroid and child node
Accurately, to ensure that Centroid can communicate with child node in time.
Brief description of the drawings
Fig. 1 is the taiwan area power loss recovery functional flow diagram of the present invention.
Fig. 2 is the Centroid power loss recovery flow diagram of the present invention.
Fig. 3 is the child node power loss recovery flow diagram of the present invention.
Fig. 4 is the child node optimal network selection flow chart of the present invention.
Fig. 5 is that the whole network of the present invention perceives the child node process chart of step.
Fig. 6 is that the whole network of the present invention perceives the Centroid process chart of step.
Fig. 7 is the synchronous flow chart between the Centroid CAC and concentrator of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
Power information acquisition system is communicated using two-level network, and three communication nodes are acquisition system master successively from top to bottom
Stand, concentrator, collector or electric energy meter, concentrator is communicated using micropower wireless mode with collector or electric energy meter, with long-range
The data of collector or electric energy meter are read, concentrator sets communication unit CAC, and it is the Centroid of micropower wireless network,
Communication unit where collector or electric energy meter is exactly child node；The first order network of two-level network communication is acquisition system main website
Telecommunication mode is used between concentrator；The second level is the micro power radio communication side between Centroid and child node
Formula, Centroid are responsible for building network, and child node performs the application operation that networks, and in the network of establishment, Centroid will manage
It arrives the routing table of all child nodes.
The method of the fast quick-recovery of micropower wireless network includes taiwan area whole power loss recovery functional sequence, Centroid power down
Resume work flow, child node power loss recovery workflow:
1) taiwan area whole power loss recovery functional sequence, as shown in Figure 1, it comprises the following steps：
11) in taiwan area collective after electricity, all devices such as Centroid and child node are all in fixed frequency work, and maintain one section
Time, increase the probability of child node reception beacon with this；
12) after all child nodes receive Home Network beacon, the net operation that enters of normal flow is carried out immediately, while starts a heartbeat
Report flow, so that Centroid establishes routing table；
13) after completing heartbeat report flow, start to forward beacon, accelerate the recovery of whole network；
14) the whole network starts in first time slot of the 4th superframe, starts frequency hopping communications according to normal frequency hopping lists；
2) Centroid power loss recovery workflow, as shown in Fig. 2 it comprises the following steps：
21) taiwan area whole power loss recovery functional sequence is carried out on Centroid after electricity；
22) after Centroid continues 3 superframes, normal condition frequency hopping is entered in the 4th overclocking frame；
3) child node power loss recovery workflow, as shown in figure 3, it comprises the following steps：
31) performed on after electricity and actively enter net operation;
32）If actively networking successfully, terminate child node power loss recovery workflow；If actively networking failure, taiwan area is performed
Whole power loss recovery functional sequences；
33）If child node power loss recovery success in taiwan area whole power loss recovery functional sequence is performed, terminates child node power down
Resume work flow；Enter if child node if power loss recovery failure in performing taiwan area whole power loss recovery functional sequence normal slow
The pressure network beacon of frequency hopping, now scanning center's node, it is all not network when child node scanning is to pressure network beacon
Child node is required for unconditionally initiating into network process to the affiliated Centroid of the beacon.
The technical program passes through taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, sub- section
Point power loss recovery workflow effectively improves Centroid, child node enters net spee.Part steps are removed, and multiple tasks are same
Shi Zhihang, make the fast quick-recovery of network, reduce the loss for having a power failure and bringing.
After Centroid, child node network, in addition to perform below scheme：
First, child node optimal network selection flow, as shown in figure 4,
Node optimal network selection flow comprises the following steps：
41）Start optimal network selection work when receiving time slot；
42）Judge whether to detect that present networks beacon is leading in time-out time, if detecting in time-out time, present networks are believed
Mark it is leading, then wait present networks message, if detecting present networks message in time-out time, receive present networks message, if overtime
Present networks message is not detected by time, then switches to targeted scans frequency, starts slow frequency hopping scanning；Receiving present networks message
Afterwards be not detected by time-out time present networks beacon it is leading when, also switch to targeted scans frequency, start slow frequency hopping scanning；
43）Message is persistently received, if effective beacon, then record neighbor network information；
44）Judge whether time slot terminates, if being not over, continue step 13）；If time slot terminates, compare neighbor networks with
Present networks link quality information；
45）Judge whether neighbor networks are better than present networks, including network level, link-quality, network size factor；
46）If neighbor networks are better than present networks, networking associative operation is performed, is otherwise terminated, wait the reception time slot of next time to open
Begin.
When child node does normal frequency hopping communications in the network of affiliated Centroid, using in each time slot of synchronizing network
Free time, into surrounding network scan, i.e., child node it is each reception time slot carry out double frequency spot scan, by prolonged
Surrounding network scans, and obtains basic complete periphery neighbor network information, Integrated comparative and the quality of own net condition, makes
Whether the decision of other networks is switched to；If neighbor networks are better than present networks, gateway associative operation is performed.
2nd, the whole network perceives flow, as shown in Figure 5,6,
The whole network perceives flow and comprised the following steps：
51）Child node intercepts neighbours' beacon message；
52）Judge whether to receive neighbor information, if not receiving neighbor information, continue executing with step 51）Intercept neighbours' beacon
Information；If receiving neighbor information, into next step 23）；
53）Calculate the time interval for receiving neighbor node；
54）Judge whether time interval exceedes limit value；If time interval exceedes limit value, Centroid is reported, the neighbours may
Offline, if time interval is not above limit value, step 51 is continued executing with）Intercept neighbours' beacon message.
55）Centroid intercepts child node and reports information, if receiving child node reports neighbours' information off-line, to being reported
Child node call the roll；
56）Judge whether child node replys, if child node there is not response, report the concentrator child node offline, if child node should
Answer, continue executing with step 55）Intercept child node and report information.
Child node intercepts the beacon frame that the neighbours' child node of oneself is sent, if it find that some neighbours' child node is more than 1
Superframe does not have beacon on, then photos and sending messages report that this superframe of the child node does not have beacon on to Centroid, and Centroid receives letter
Roll-call frame acknowledgment can be sent out after breath, and once whether neighbours' child node is in net, if roll-call acknowledgement frame is not received, off-network
Situation real-time synchronization is to concentrator, by concentrator real-time report to acquisition system main website；
3rd, perform batch and change flow and active synchronization report flow；
Batch changes flow：Centroid periodically performs search child node operation at the daily t1 moment, next every
It t2 timing synchronization attaching relations are synchronized to acquisition system main website to concentrator；
Active synchronization report flow：When Centroid finds to have newly-increased child node, the operation of the child node is scanned in real time,
And the attaching relation of the child node is only synchronized to concentrator in real time, concentrator is synced up to acquisition system main website, by adopting
Collecting system main website determines the new attaching relation of child node according to the sequencing to be called time in synchronization；Concentrator reports synchronization every time
Within m minutes after attaching relation to acquisition system main website, no matter whether attaching relation occurs change does not report again, m points
Change after clock if any attaching relation, then continue to report.
Wherein, active synchronization report flow includes the synchronous and concentrator between Centroid CAC and concentrator and collection
Synchronization between system main website；
61）It is synchronous between Centroid CAC and concentrator：When there is new node to add network, judge whether to need to search table, if
Need, start single-point and search table, if need not if directly report concentrator, when receive confirm response after, complete Centroid
Synchronizing process between CAC and concentrator；As shown in Figure 7；
62）It is synchronous between concentrator and acquisition system main website：It is laggard that concentrator gets the newly-increased child node information that CAC is reported
Row archives synchronized update, while report parameter modification to record event ERC3, change parameter data cell is identified as in data content
Measurement point state parameter F150, concentrator internal file parameter modification mark is reported into acquisition system main website.
A kind of method of fast quick-recovery of micropower wireless network shown in figure 1 above -7 is the specific embodiment of the present invention,
Substantive distinguishing features of the present invention and progress have been embodied, under the enlightenment of the present invention, it can have been entered according to the use needs of reality
Row equivalent modifications, this programme protection domain row.
Claims (8)
1. a kind of method of the fast quick-recovery of micropower wireless network, micropower wireless network is used for concentrator and collector or electric energy
Communication between table, the Centroid that micropower is wireless are the micro power radio communication unit CAC that concentrator is internally integrated, sub- section
Point is exactly electric energy meter or collector with micro power radio communication unit；It is characterized in that：Micropower wireless network is quick
The method of recovery is extensive including taiwan area whole power loss recovery functional sequence, Centroid power loss recovery workflow, child node power down
Multiple workflow；
1) taiwan area whole power loss recovery functional sequence comprises the following steps：
11) in taiwan area collective after electricity, all devices such as Centroid and child node are all in fixed frequency work, and maintain one section
Time, increase the probability of child node reception beacon with this；
12) after all child nodes receive Home Network beacon, the net operation that enters of normal flow is carried out immediately, while starts a heartbeat
Report flow, so that Centroid establishes routing table；
13) after completing heartbeat report flow, start to forward beacon, accelerate the recovery of whole network；
14) the whole network starts in first time slot of the 4th superframe, starts frequency hopping communications according to normal frequency hopping lists；
2) Centroid power loss recovery workflow comprises the following steps：
21) taiwan area whole power loss recovery functional sequence is carried out on Centroid after electricity；
22) after continuing multiple superframes, into normal condition frequency hopping；
3) child node power loss recovery workflow comprises the following steps：
31) performed on after electricity and actively enter net operation;
32）If actively networking successfully, terminate child node power loss recovery workflow；If actively networking failure, taiwan area is performed
Whole power loss recovery functional sequences；
33）If child node power loss recovery success in taiwan area whole power loss recovery functional sequence is performed, terminates child node power down
Resume work flow；Enter if child node if power loss recovery failure in performing taiwan area whole power loss recovery functional sequence normal slow
The pressure network beacon of frequency hopping, now scanning center's node, it is all not network when child node scanning is to pressure network beacon
Child node is required for unconditionally initiating into network process to the affiliated Centroid of the beacon.
A kind of 2. method of fast quick-recovery of micropower wireless network according to claim 1, it is characterised in that：In step
22）In, after Centroid continues 3 superframes, enter normal condition frequency hopping in the 4th overclocking frame.
A kind of 3. method of fast quick-recovery of micropower wireless network according to claim 1, it is characterised in that：Treat centromere
After point, child node network, child node performs child node optimal network selection flow:Child node is in the network of affiliated Centroid
When doing normal frequency hopping communications, using the free time in each time slot of synchronizing network, scanned into surrounding network, i.e. child node
Double frequency spot scan is carried out in each reception time slot, is scanned by prolonged surrounding network, obtains basic complete periphery neighbours
The network information, Integrated comparative and the quality of own net condition, are made whether to switch to the decision of other networks；If neighbor networks
Better than present networks, then gateway associative operation is performed.
A kind of 4. method of fast quick-recovery of micropower wireless network according to claim 3, it is characterised in that：Node is optimal
Network selection flow comprises the following steps：
41）Start optimal network selection work when receiving time slot；
42）Judge whether to detect that present networks beacon is leading in time-out time, if detecting in time-out time, present networks are believed
Mark it is leading, then wait present networks message, if detecting present networks message in time-out time, receive present networks message, if overtime
Present networks message is not detected by time, then switches to targeted scans frequency, starts slow frequency hopping scanning；Receiving present networks message
Afterwards be not detected by time-out time present networks beacon it is leading when, also switch to targeted scans frequency, start slow frequency hopping scanning；
43）Message is persistently received, if effective beacon, then record neighbor network information；
44）Judge whether time slot terminates, if being not over, continue step 13）；If time slot terminates, compare neighbor networks with
Present networks link quality information；
45）Judge whether neighbor networks are better than present networks, including network level, link-quality, network size factor；
46）If neighbor networks are better than present networks, networking associative operation is performed, is otherwise terminated, wait the reception time slot of next time to open
Begin.
A kind of 5. method of fast quick-recovery of micropower wireless network according to claim 1, it is characterised in that：Treat centromere
After point, child node network, perform the whole network and perceive flow：Child node intercepts the beacon frame that the neighbours' child node of oneself is sent, if
It was found that more than 1 superframe of some neighbours' child node does not have beacon on, then to Centroid report the child node this is super for photos and sending messages
Frame does not have a beacon on, and Centroid receives and can send out roll-call frame acknowledgment after information once whether neighbours' child node is in net, if do not had
Roll-call acknowledgement frame is received, then off-network situation real-time synchronization to concentrator, by concentrator real-time report to acquisition system main website.
A kind of 6. method of fast quick-recovery of micropower wireless network according to claim 5, it is characterised in that：The whole network perceives
Flow comprises the following steps：
51）Child node intercepts neighbours' beacon message；
52）Judge whether to receive neighbor information, if not receiving neighbor information, continue executing with step 51）Intercept neighbours' beacon
Information；If receiving neighbor information, into next step 23）；
53）Calculate the time interval for receiving neighbor node；
54）Judge whether time interval exceedes limit value；If time interval exceedes limit value, Centroid is reported, the neighbours may
Offline, if time interval is not above limit value, step 51 is continued executing with）Intercept neighbours' beacon message；
55）Centroid intercepts child node and reports information, if receiving child node reports neighbours' information off-line, to the son being reported
Node is called the roll；
56）Judge whether child node replys, if child node there is not response, report the concentrator child node offline, if child node should
Answer, continue executing with step 55）Intercept child node and report information.
A kind of 7. method of fast quick-recovery of micropower wireless network according to claim 1, it is characterised in that：Treat centromere
After point, child node network, perform batch and change flow and active synchronization report flow；
Batch changes flow：Centroid periodically performs search child node operation at the daily t1 moment, next every
It t2 timing synchronization attaching relations are synchronized to acquisition system main website to concentrator；
Active synchronization report flow：When Centroid finds to have newly-increased child node, the operation of the child node is scanned in real time,
And the attaching relation of the child node is only synchronized to concentrator in real time, concentrator is synced up to acquisition system main website, by adopting
Collecting system main website determines the new attaching relation of child node according to the sequencing to be called time in synchronization；Concentrator reports synchronization every time
Within m minutes after attaching relation to acquisition system main website, no matter whether attaching relation occurs change does not report again, m points
Change after clock if any attaching relation, then continue to report.
A kind of 8. method of fast quick-recovery of micropower wireless network according to claim 7, it is characterised in that：Active synchronization
Report flow includes the synchronous synchronization between concentrator and acquisition system main website between Centroid CAC and concentrator；
61）It is synchronous between Centroid CAC and concentrator：When there is new node to add network, judge whether to need to search table, if
Need, start single-point and search table, if need not if directly report concentrator, when receive confirm response after, complete Centroid
Synchronizing process between CAC and concentrator；
62）It is synchronous between concentrator and acquisition system main website：It is laggard that concentrator gets the newly-increased child node information that CAC is reported
Row archives synchronized update, while report parameter modification to record event ERC3, change parameter data cell is identified as in data content
Measurement point state parameter F150, concentrator internal file parameter modification mark is reported into acquisition system main website.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586897A (en) * | 2018-11-21 | 2019-04-05 | 重庆邮电大学 | Method and system for number portability of intelligent meter |
| CN111031544A (en) * | 2019-12-24 | 2020-04-17 | 重庆邮电大学 | Multi-network coexisting multi-frequency-point wireless communication networking method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186204A (en) * | 2011-05-03 | 2011-09-14 | 哈尔滨工程大学 | Heterogeneous wireless sensor network and special self-recovery method thereof |
| CN102883418A (en) * | 2012-09-12 | 2013-01-16 | 上海大学 | Wireless sensor network system and gateway power failure abnormity processing method thereof |
| US20140126610A1 (en) * | 2012-11-05 | 2014-05-08 | Cisco Technology, Inc. | Fast frequency-hopping schedule recovery |
| CN104093166A (en) * | 2014-07-08 | 2014-10-08 | 南京信息工程大学 | Wireless sensor network connection recovery method based on minimum movement of nodes |
| CN105048460A (en) * | 2015-08-26 | 2015-11-11 | 云南电网有限责任公司电力科学研究院 | Power supply recovery method adopting heuristic search algorithm and fuzzy comprehensive judgment for power distribution grid |
| CN105070052A (en) * | 2015-07-17 | 2015-11-18 | 袁丽 | Wireless communication system and method used for intelligent traffic monitoring |
| CN205050340U (en) * | 2015-07-17 | 2016-02-24 | 袁丽 | A intelligence control system , wireless communication system , vehicle test node, relay node and assemble node for intelligent transportation monitoring |
| CN106253250A (en) * | 2016-08-23 | 2016-12-21 | 江苏方天电力技术有限公司 | A kind of distributed rapid protection system of intelligent distribution network and guard method |
| US20170142619A1 (en) * | 2015-11-17 | 2017-05-18 | Dell Products L.P. | Wireless mesh network repair system |
-
2017
- 2017-07-05 CN CN201710543381.1A patent/CN107835522B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186204A (en) * | 2011-05-03 | 2011-09-14 | 哈尔滨工程大学 | Heterogeneous wireless sensor network and special self-recovery method thereof |
| CN102883418A (en) * | 2012-09-12 | 2013-01-16 | 上海大学 | Wireless sensor network system and gateway power failure abnormity processing method thereof |
| US20140126610A1 (en) * | 2012-11-05 | 2014-05-08 | Cisco Technology, Inc. | Fast frequency-hopping schedule recovery |
| CN104093166A (en) * | 2014-07-08 | 2014-10-08 | 南京信息工程大学 | Wireless sensor network connection recovery method based on minimum movement of nodes |
| CN105070052A (en) * | 2015-07-17 | 2015-11-18 | 袁丽 | Wireless communication system and method used for intelligent traffic monitoring |
| CN205050340U (en) * | 2015-07-17 | 2016-02-24 | 袁丽 | A intelligence control system , wireless communication system , vehicle test node, relay node and assemble node for intelligent transportation monitoring |
| CN105048460A (en) * | 2015-08-26 | 2015-11-11 | 云南电网有限责任公司电力科学研究院 | Power supply recovery method adopting heuristic search algorithm and fuzzy comprehensive judgment for power distribution grid |
| US20170142619A1 (en) * | 2015-11-17 | 2017-05-18 | Dell Products L.P. | Wireless mesh network repair system |
| CN106253250A (en) * | 2016-08-23 | 2016-12-21 | 江苏方天电力技术有限公司 | A kind of distributed rapid protection system of intelligent distribution network and guard method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586897A (en) * | 2018-11-21 | 2019-04-05 | 重庆邮电大学 | Method and system for number portability of intelligent meter |
| CN109586897B (en) * | 2018-11-21 | 2021-09-28 | 重庆邮电大学 | Method and system for number portability of intelligent meter |
| CN111031544A (en) * | 2019-12-24 | 2020-04-17 | 重庆邮电大学 | Multi-network coexisting multi-frequency-point wireless communication networking method |
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