CN110139452A - A method of it improving NB-IoT single-lamp controller and communicates success rate - Google Patents
A method of it improving NB-IoT single-lamp controller and communicates success rate Download PDFInfo
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- CN110139452A CN110139452A CN201910619104.3A CN201910619104A CN110139452A CN 110139452 A CN110139452 A CN 110139452A CN 201910619104 A CN201910619104 A CN 201910619104A CN 110139452 A CN110139452 A CN 110139452A
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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
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
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Abstract
A method of it improving NB-IoT single-lamp controller and communicates success rate, be related to the technical field of the single lamp control system using NB-IoT protenchyma connected network communication.Due to the narrowband nature of NB-IoT communication, be not suitable for street lamp in moment while the grid-connected online demand of turning on light.The present invention monitor supervision platform software mass-send communications command during, using in batches, timesharing, jump choosing etc. processing of avoiding the peak hour, communication success rate is improved in conjunction with heartbeat response mechanism.When monitor supervision platform software mass-sends communications command to the NB-IoT single-lamp controller of same a road section, command sequence to be mass-sended is dispersed as the subsequence of multiple smaller number scales and is sent in batches, the limitation for the base station the NB processing capacity that is staggered.When monitor supervision platform software receives the heartbeat packet of NB-IoT single-lamp controller, actively executes the orders such as operating condition inquiry, parameter query, parameter modification, switch lamp control and issue operation.The present invention substantially increases the communication success rate of NB-IoT single-lamp controller under the premise of not increasing NB base station deployment quantity.
Description
Technical field
The present invention relates to the technical fields of the single lamp control system of outdoor lighting, more particularly to using NB-IoT communication
Single lamp control systems technology field.
Background technique
The road lamp management in current many cities uses single lamp control system, further improves scientific, fining pipe
Reason is horizontal, has achieved the purpose that energy-saving and emission-reduction.The new Internet of Things Netcom that the narrowband NB-IoT Internet of Things is widelyd popularize as operator
Letter technology is also applied in single lamp control system.
But by NB-IoT technical application to single lamp control occasion, there is also following problems at present: 1) being installed on street lamp
On the network communication of single-lamp controller require high concurrent and low delay, but the original intention of NB-IoT Technology design is applied low
The application scenarios of communication frequency, small data quantity, such as remote meter reading, manhole cover anti-theft.Due to the limitation of NB bandwidth of base station, height is simultaneously
Hair will lead to NB base station communication obstruction, and order and data timely and effective cannot be transmitted;2) the intrinsic low-power consumption of NB communication network
Dormancy characteristic, it may appear that the problems such as order reception delay is even lost.
Summary of the invention
The present invention provides a kind of methods of raising NB-IoT single-lamp controller communication success rate, it is therefore an objective to not increase
Under the premise of NB base station deployment quantity, the communication success rate of single-lamp controller is greatly improved.
A method of it improving NB-IoT single-lamp controller and communicates success rate, include the following steps:
1) monitor supervision platform software judges whether there is new section list lamp mass-sending task.If it has, then performing the next step;If it has not,
Then judge whether to receive new single-lamp controller heartbeat;
2) monitor supervision platform software is ranked up the list of devices in transmission task according to the lamp stand serial number of single-lamp controller;
3) choosing recombination is jumped, generation, which is avoided the peak hour, sends batch;
4) mass-sending currently avoid the peak hour batch communications command to single-lamp controller;
5) setting delay, then judges whether all batches of avoiding the peak hour all have distributed.If it has, then carrying out sentencing for exit message circulation
It is disconnected;If it has not, then return step 4) carry out the transmission of next batch of avoiding the peak hour;
6) judge to whether receiving new single-lamp controller heartbeat in step 1), if it has not, then carrying out exit message circulation
Judgement;If it has, then searching the heartbeat implementation strategy of single-lamp controller whether there is, and if it exists, perform the next step;If not depositing
Then carrying out the judgement of exit message circulation;
7) heartbeat implementation strategy if it exists is then issued respectively including inquiry operating condition, query argument, switch lamp control, setting parameter
Order, then carry out the judgement of exit message circulation again.
8) monitor supervision platform software is closed, and message loop terminates.
It is preferable to step 3) of the invention includes the following steps:
31) all NB-IoT single-lamp controllers is submitted to mass-send the message queue of task to background task thread as unit of section
In;
32) after background task thread receives NB-IoT single-lamp controller mass-sending task, then independence is distributed from system thread pool
Sub thread, the single-lamp controller for handling each section, which is avoided the peak hour, issues task.
It is preferable to step 4) of the invention includes the following steps:
41) application layer submits the single-lamp controller in single section to mass-send command request, wherein arranging comprising single-lamp controller ID pending
Table;
42) monitor supervision platform software is total according to skip over pf, single-lamp controller ID array a pending, single-lamp controller ID pending
Number tn and formula N={ a [0], a [pf%tn], a [(pf × 2) %tn] ..., a [(pf × n) %tn] }, n=0,1,2,3 ...,
By avoiding the peak hour, treated sends sequence N for tn-1 acquisition, is divided into [(num for sequence N is sent further according to concurrently points pn
(N)+pn -1)/pn] a subsequence, it obtains that treated sends sequence N by avoiding the peak hour, then issues each height in batches in order
Sequence.Each batch issues completion, after stopping specified concurrent interval time, then carries out the mass-sending operation of next batch, until
All subsequence batches are sent;
43) querying command is mass-sended, single-lamp controller ID list need to be added in communication standby list before send in batches,
And collection of record sends out initial time, by background task thread tracking batch query time-out or completes event.
It is preferable to include the steps that following small in step 43) of the invention:
431) the inquiry response state of each single-lamp controller in item is waited with Hash table record batch query, key assignments is cloth
That type variable, True are to have been received by response, and False is not receive response;
432) circulation obtains all batch queries in waiting list and waits item;
433) it waits the mass-sending initial time in item to judge to receive whether the waiting time has arrived according to batch query, if yes and breathes out
Exist in uncommon table and do not receive response item, then generates batch query time out event, while waiting item from inquiry etc. this batch query
To be removed in list;
434) message is reached according to single-lamp controller inquiry response data frame, inquiry includes this number in batch query waiting list
According to the waiting item of frame single-lamp controller string number, marking the corresponding answer logo for waiting identical string number in item is True, and checks it
The answer logo whether all set that he goes here and there number.If so, then generating batch query completes event, and present batch is inquired and is waited
Item is removed from waiting list.
It is preferable to step 7) heartbeat implementation strategies of the present invention are as follows:
71) the heartbeat implementation strategy of each single-lamp controller is encapsulated with structural body, mainly includes single-lamp controller ID, single lamp control
Device string number, communications command type execute the frequency, response period;
72) it from load and execution strategy in database table and deposits in memory Hash table, the key name of Hash table is single-lamp controller
String number, is worth the implementation strategy structural body object for each single-lamp controller;
73) when receiving new heartbeat packet, corresponding implementation strategy is found according to single-lamp controller string number.If so, then according to holding
Row strategy single-point issues communications command.
By above treatment process and step, the present invention realizes avoiding the peak hour for monitor supervision platform software and responds machine with heartbeat
System.The purpose avoided the peak hour is to try to reduce received data packet number in the single base station the NB same time, reduces the place of the base station NB
Reason burden, prevents communication blockage or loss of data.The heartbeat packet that NB-IoT single-lamp controller can be uploaded periodically, monitor supervision platform
When software receives heartbeat packet, communication link quality is relatively preferable, and the setting of monitor supervision platform software carries out automated toing respond to handle at this moment,
The orders such as operating condition inquiry, parameter query, parameter modification, switch lamp control can actively be executed and issue operation.
The present invention compared with the prior art, has the advantages that
It is special according to the limitation of the characteristic distributions of city street lamp and NB-IoT technology for the single lamp control system of NB-IoT communication
Property, using avoiding the peak hour mechanism and heartbeat response mechanism in monitor supervision platform software, substantially increase the communication of NB single-lamp controller at
Power.
Detailed description of the invention
Fig. 1 is the flow chart that monitor supervision platform software of the invention is avoided the peak hour and heartbeat response mechanism is realized.
Fig. 2 be monitor supervision platform software of the invention avoid the peak hour issuing mechanism realization schematic diagram.
Specific embodiment
It is issued and heartbeat response function to realize to avoid the peak hour, following configuration should be fulfiled ahead of schedule in monitor supervision platform software and grasped
Make: 1) by the mono- lamp device of NB-IoT according to the position of affiliated lamp stand be ranked up number (from West to East, from north to south, from it is small to
Greatly), its unique section serial number is generated;2) setting, which is avoided the peak hour, issues parameter: concurrently counting, concurrently interval, skip over and group look into
Waiting time etc..
As shown in Fig. 1, a method of it improving NB-IoT single-lamp controller and communicates success rate, include the following steps:
1) monitor supervision platform software judges whether there is new section list lamp mass-sending task.If it has, then performing the next step;If it has not,
Then judge whether to receive new single-lamp controller heartbeat;
2) monitor supervision platform software is ranked up the list of devices in transmission task according to the lamp stand serial number of single-lamp controller;
3) choosing recombination is jumped, generation, which is avoided the peak hour, sends batch;
4) mass-sending currently avoid the peak hour batch communications command to single-lamp controller;
5) setting delay, then judges whether all batches of avoiding the peak hour all have distributed.If it has, then carrying out sentencing for exit message circulation
It is disconnected;If it has not, then return step 4) carry out the transmission of next batch of avoiding the peak hour;
6) judge whether to receive new single-lamp controller heartbeat in step 1), result be it is no, then carry out sentencing for exit message circulation
It is disconnected;As a result be it is yes, then the heartbeat implementation strategy for searching single-lamp controller whether there is.If it exists, it performs the next step;If not depositing
Then carrying out the judgement of exit message circulation;
7) heartbeat implementation strategy if it exists is then issued respectively including inquiry operating condition, query argument, switch lamp control, setting parameter
Order, then carry out the judgement of exit message circulation again.
8) monitor supervision platform software is closed, and message loop terminates.
Step 3) of the invention includes the following steps:
31) all NB-IoT single-lamp controllers is submitted to mass-send the message queue of task to background task thread as unit of section
In;
32) after background task thread receives NB-IoT single-lamp controller mass-sending task, then independence is distributed from system thread pool
Sub thread, the single-lamp controller for handling each section, which is avoided the peak hour, issues task.
Step 4) of the invention includes the following steps:
41) application layer submits the single-lamp controller in single section to mass-send command request, wherein arranging comprising single-lamp controller ID pending
Table;
42) monitor supervision platform software is total according to skip over pf, single-lamp controller ID array a pending, single-lamp controller ID pending
Number tn and formula N={ a [0], a [pf%tn], a [(pf × 2) %tn] ..., a [(pf × n) %tn] }, n=0,1,2,3 ...,
By avoiding the peak hour, treated sends sequence N for tn-1 acquisition, is divided into [(num for sequence N is sent further according to concurrently points pn
(N)+pn -1)/pn] a subsequence, then issue each subsequence in batches in order.Each batch issues completion, stops specified
Concurrent interval time after, then the mass-sending operation of next batch is carried out, until all subsequence batches are sent;
43) querying command is mass-sended, single-lamp controller ID list need to be added in communication standby list before send in batches,
And collection of record sends out initial time, by background task thread tracking batch query time-out or completes event.
Step 43) of the invention includes the steps that following small:
431) the inquiry response state of each single-lamp controller in item is waited with Hash table record batch query, key assignments is cloth
That type variable, True are to have been received by response, and False is not receive response;
432) circulation obtains all batch queries in waiting list and waits item;
433) it waits the mass-sending initial time in item to judge to receive whether the waiting time has arrived according to batch query, if yes and breathes out
Exist in uncommon table and do not receive response item, then generates batch query time out event, while waiting item from inquiry etc. this batch query
To be removed in list;
434) message is reached according to single-lamp controller inquiry response data frame, inquiry includes this number in batch query waiting list
According to the waiting item of frame single-lamp controller string number, marking the corresponding answer logo for waiting identical string number in item is True, and checks it
The answer logo whether all set that he goes here and there number.If so, then generating batch query completes event, and present batch is inquired and is waited
Item is removed from waiting list.
Step 7) heartbeat implementation strategy of the present invention are as follows:
71) the heartbeat implementation strategy of each single-lamp controller is encapsulated with structural body, mainly includes single-lamp controller ID, single lamp control
Device string number, communications command type execute the frequency, response period;
72) it from load and execution strategy in database table and deposits in memory Hash table, the key name of Hash table is single-lamp controller
String number, is worth the implementation strategy structural body object for each single-lamp controller;
73) when receiving new heartbeat packet, corresponding implementation strategy is found according to single-lamp controller string number.If so, then according to holding
Row strategy single-point issues communications command.
Shown in Fig. 2, for embodiment of the invention that issue of avoiding the peak hour.
Wherein, 1.~10. for be installed on lamp stand NB-IoT single-lamp controller (1.~5. cover model in the base station NB 1
In enclosing, 6.~10. in 2 coverage area of the base station NB).In the case where mechanism is avoided the peak hour in not use, issued if to execute order
Operation, usually continuously transmits the single-lamp controller on entire section.And method of the invention is used, it is avoided the peak hour down
Hair, order issue process are as follows:
(1) according to concurrently points 5 and skip over 3 calculate avoid the peak hour issue batch { 1., 4., 7., 10., 3. } and 6., 9.,
②,⑤,⑧};
(2) batch of avoiding the peak hour { 1., 4., 7., 10., 3. } is issued;
(3) it is delayed according to concurrently interval (1 second);
(4) batch of avoiding the peak hour { 6., 9., 2., 5., 8. } is issued.
After the present invention uses above-mentioned issuing mechanism of avoiding the peak hour, the instantaneous processing pressure of the base station NB 1 and the base station NB 2 is not adopted respectively
With the 3/5 of issuing mechanism of avoiding the peak hour and 2/5.In addition, user can be adjusted flexibly to avoid the peak hour and issue parameter according to on-site actual situations, with
It is preferably avoided the peak hour and issues effect, mitigated the data jamming of the base station NB or the probability of packet loss, substantially increase communication success rate.
Claims (5)
1. a kind of method for improving NB-IoT single-lamp controller communication success rate, it is characterised in that include the following steps:
1) monitor supervision platform software judges whether there is new section list lamp mass-sending task, if it has, then performing the next step;If it has not,
Step 6) is then jumped to judge whether to receive new single-lamp controller heartbeat;
2) monitor supervision platform software is ranked up the list of devices in transmission task according to the lamp stand serial number of single-lamp controller;
3) choosing recombination is jumped, generation, which is avoided the peak hour, sends batch;
4) mass-sending currently avoid the peak hour batch communications command to single-lamp controller;
5) setting delay, then judges whether all batches of avoiding the peak hour all have distributed, if it has, then carrying out sentencing for exit message circulation
It is disconnected;If it has not, then return step 4) carry out the transmission of next batch of avoiding the peak hour;
6) judge to whether receiving new single-lamp controller heartbeat in step 1), if it has not, then exit message recycles;If
It is then to search the heartbeat implementation strategy of single-lamp controller whether there is, and if it exists, perform the next step;If it does not exist, then it is moved back
The judgement of outbound message circulation;
7) heartbeat implementation strategy if it exists is then issued respectively including inquiry operating condition, query argument, switch lamp control, setting parameter
Order, then carry out the judgement of exit message circulation again;
8) monitor supervision platform software is closed, and message loop terminates.
2. the method according to claim 1 for improving NB-IoT single-lamp controller communication success rate, it is characterised in that above-mentioned
It is comprised the following steps in step 3):
31) all NB-IoT single-lamp controllers is submitted to mass-send the message queue of task to background task thread as unit of section
In;
32) after background task thread receives NB-IoT single-lamp controller mass-sending task, then independence is distributed from system thread pool
Sub thread, the single-lamp controller for handling each section, which is avoided the peak hour, issues task.
3. the method according to claim 1 for improving NB-IoT single-lamp controller communication success rate, it is characterised in that above-mentioned
Include the following steps: in step 4)
41) application layer submits the single-lamp controller in single section to mass-send command request, wherein arranging comprising single-lamp controller ID pending
Table;
42) monitor supervision platform software is according to skip over pf, single-lamp controller ID array a pending, single-lamp controller ID pending sum
tn And formula N={ a [0], a [pf%tn], a [(pf×2)%tn] ..., a [(pf×n)%tn], n=0,1,2,3 ..., tn-1 is obtained
Send sequence N by avoiding the peak hour that treated, be divided into [(num (N)+p for sequence N is sent further according to concurrently points pnn-
1)/pn] a subsequence, then issue each subsequence in batches in order;Each batch issues completion, stop it is specified it is concurrent between
After the time, then the mass-sending operation of next batch is carried out, until all subsequence batches are sent;
43) querying command is mass-sended, single-lamp controller ID list need to be added in communication standby list before send in batches,
And collection of record sends out initial time, by background task thread tracking batch query time-out or completes event.
4. the method according to claim 3 for improving NB-IoT single-lamp controller communication success rate, it is characterised in that above-mentioned
Include the following steps: in step 43)
431) the inquiry response state of each single-lamp controller in item is waited with Hash table record batch query, key assignments is cloth
That type variable, True are to have been received by response, and False is not receive response;
432) circulation obtains all batch queries in waiting list and waits item;
433) it waits the mass-sending initial time in item to judge to receive whether the waiting time has arrived according to batch query, if yes and breathes out
Exist in uncommon table and do not receive response item, then generates batch query time out event, while waiting item from inquiry etc. this batch query
To be removed in list;
434) message is reached according to single-lamp controller inquiry response data frame, inquiry includes this number in batch query waiting list
According to the waiting item of frame single-lamp controller string number, marking the corresponding answer logo for waiting identical string number in item is True, and checks it
The answer logo whether all set that he goes here and there number, if if so, if generate batch query and complete event, and present batch inquired etc.
It is removed from waiting list to item.
5. the method according to claim 1 for improving NB-IoT single-lamp controller communication success rate, it is characterised in that above-mentioned
Step 7) heartbeat implementation strategy are as follows:
71) the heartbeat implementation strategy of each single-lamp controller, including single-lamp controller ID, single-lamp controller string are encapsulated with structural body
Number, communications command type, execute the frequency, response the period;
72) it from load and execution strategy in database table and deposits in memory Hash table, the key name of Hash table is single-lamp controller
String number, is worth the implementation strategy structural body object for each single-lamp controller;
73) when receiving new heartbeat packet, corresponding implementation strategy is found according to single-lamp controller string number, if so, then according to holding
Row strategy single-point issues communications command.
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