CN106255137B - Promote the method and system of LoRa network communication rate - Google Patents
Promote the method and system of LoRa network communication rate Download PDFInfo
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- CN106255137B CN106255137B CN201610830203.2A CN201610830203A CN106255137B CN 106255137 B CN106255137 B CN 106255137B CN 201610830203 A CN201610830203 A CN 201610830203A CN 106255137 B CN106255137 B CN 106255137B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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Abstract
The present invention provides a kind of method and system for promoting LoRa network communication rate, networking is carried out to LoRa network, obtain ad-hoc network, scan network transmission speed channel in ad-hoc network, and scanning result is obtained according to preset signal strength threshold value, the transmission rate that ad-hoc network is set according to scanning result, is in real time monitored transmission rate ad-hoc network adjusted, carries out handling and being safeguarded according to default maintenance period when an abnormality is discovered.In whole process, according to the scanning result in network transmission speed channel in scanning ad-hoc network, the transmission rate of LoRa network is rationally set, LoRa network communication rate can be effectively promoted.
Description
Technical field
The present invention relates to fields of communication technology, more particularly to the method and system for promoting LoRa network communication rate.
Background technique
Inversely with transmission rate, transmission rate is faster for LoRa technical communication distance, and the distance of communication is shorter.In reality
How to guarantee to optimize transmission rate while communicating success rate in the application of border, to guarantee the real-time and stabilization of network
Property, bandwidth resources are maximumlly utilized, the service feature of network is promoted, is a LoRa technology problem urgently to be solved.
And what general LoRa wireless network used is all fixed transmission rate, fails to make network in real-time and steady
Qualitative being optimal of aspect greatly limits LoRa wireless communication rate in this way.
Summary of the invention
Based on this, it is necessary to for the low problem of general LoRa wireless communication rate, provide one kind and be able to ascend
The method and system of LoRa network communication rate.
A method of LoRa network communication rate is promoted, comprising steps of
Networking is carried out to LoRa network, obtains ad-hoc network；
Network transmission speed channel in ad-hoc network is scanned, and scanning result is obtained according to preset signal strength threshold value；
The transmission rate of ad-hoc network is set according to scanning result；
Transmission rate ad-hoc network adjusted is monitored in real time, is handled when an abnormality is discovered and according to default
Maintenance period is safeguarded.
A kind of system promoting LoRa network communication rate, comprising:
Networking module obtains ad-hoc network for carrying out networking to LoRa network；
Scan module is obtained for scanning network transmission speed channel in ad-hoc network, and according to preset signal strength threshold value
Obtain scanning result；
Transmission rate setting module, for setting the transmission rate of ad-hoc network according to scanning result；
Monitoring modular carries out when an abnormality is discovered for being monitored in real time to transmission rate ad-hoc network adjusted
It handles and is safeguarded according to default maintenance period.
The present invention promotes the method and system of LoRa network communication rate, carries out networking to LoRa network, obtains networking net
Network scans network transmission speed channel in ad-hoc network, and obtains scanning result according to preset signal strength threshold value, according to scanning
As a result the transmission rate for setting ad-hoc network, is in real time monitored transmission rate ad-hoc network adjusted, when noting abnormalities
Shi Jinhang is handled and is safeguarded according to default maintenance period.In whole process, according to network transmission speed in scanning ad-hoc network
The scanning result in rate channel is rationally arranged the transmission rate of LoRa network, can effectively promote LoRa network communication rate.
Detailed description of the invention
Fig. 1 is the flow diagram of method one embodiment that the present invention promotes LoRa network communication rate；
Fig. 2 is the flow diagram for second embodiment of method that the present invention promotes LoRa network communication rate；
Fig. 3 is the flow diagram for the one of specific embodiment of method that the present invention promotes LoRa network communication rate；
Fig. 4 is the structural schematic diagram of system one embodiment that the present invention promotes LoRa network communication rate；
Fig. 5 is the structural schematic diagram for second embodiment of system that the present invention promotes LoRa network communication rate.
Specific embodiment
As shown in Figure 1, a kind of method for promoting LoRa network communication rate, comprising steps of
S200: networking is carried out to LoRa network, obtains ad-hoc network.
Effective networking is carried out to LoRa network, obtains ad-hoc network.
Specifically, as shown in Fig. 2, step S200 includes: in one of the embodiments,
S220: traversal LoRa network is searched host node in LoRa network with from node, and is obtained from node white list.
When carrying out effective networking, it is necessary first to determine host node in LoRa network with from node and from the white name of node
It is single, wherein the slave node of scanning in need is recorded from node white list.Determining these host nodes and after node, it can be with
Obtain " basic framework " of entire ad-hoc network.
S240: according to from node white list, the slave node for needing to scan is determined.
S260: host node transmission rate is set to meet network communication and carries out group with the minimum under the conditions of networking function
Net obtains ad-hoc network.
It needs to set host node transmission rate after " basic framework " of building ad-hoc network.Herein, first
Host node transmission rate is set as initial (starting) transmission rate, which is to meet network communication and group
Minimum under net functional conditions, the ad-hoc network host node transmission rate constructed at this time is minimum, but transmission range is maximum.
The slave node that host node needs to scan by network from the confirmation of node white list in one of the embodiments,.It is main
Transmission rate is set in minimum first and (notices that transmission rate minimum allows for guaranteeing network normal communication and group by node
Net function) networking is carried out, network organizing is completed, at this moment since transmission rate is minimum, the effective distance of communication reaches maximum.It needs to infuse
Meaning illustrates that transmission rate minimum is not able to satisfy networking requirement, reports mistake to main website if networking fails.
S400: network transmission speed channel in scanning ad-hoc network, and scanning knot is obtained according to preset signal strength threshold value
Fruit.
Scan ad-hoc network in network transmission speed channel, specifically, be in ad-hoc network host node scanning each from
Node, during the scanning process the transmission rate of host node from low to high, and need to guarantee each of network from node receive
Signal strength indication is higher than preset signal strength threshold value, is lower than preset signal strength threshold value from node signal strength when there is some
When, terminate scanning.
Specifically, as shown in Fig. 2, step S400 includes: in one of the embodiments,
S420: preset signal strength threshold value is obtained.
Preset signal strength threshold value is preset value, the size of specific number can based on historical empirical data,
Experts database data simultaneously set in conjunction with practical application scene.
S440: control host node scans network transmission speed channel with transmission rate from low to high, and successively search is each
The slave node that need to be scanned.
Network transmission speed channel is scanned the minimum that host node transmission rate is set by step S260 from low to high,
It is improved in scanning process in transmission rate, successively searches for each slave node for needing to scan, judge from node received signal strength
Whether preset signal strength threshold value is lower than.
S460: when some is lower than preset signal strength threshold value from node received signal strength, scanning is terminated.
When some is lower than preset signal strength threshold value from node received signal strength, present scan is terminated.It is swept in termination
It retouches simultaneously, the corresponding host node transmission rate of previous scanning that can recorde down.Such as host node with transmission rate since A
Increase mode according to ABCDEF and scan network transmission speed channel, and successively search for each slave node that need to be scanned, judges from section
Whether point received signal strength is lower than preset signal strength threshold value, when some is strong lower than preset signals from node received signal strength
When degree threshold value, scanning is terminated, it is assumed that the scanning moment of termination at this time is scanned the moment for host node with D transmission rate, then at this time
The corresponding host node transmission rate of one scanning of scanning, i.e. C transmission rate before can recorde down.
S600: the transmission rate of ad-hoc network is set according to scanning result.
Phase when occurring from node received signal strength lower than preset signal strength threshold condition is recorded in scanning result
Data are closed, specifically, essential record occurs the sweeping lower than preset signal strength threshold condition from node received signal strength
The corresponding transmission rate of previous scanning retouched and (terminate scanning).Continue for examples detailed above, record has C in scanning result
C transmission rate is set as the transmission rate of ad-hoc network by transmission rate.
S800: being in real time monitored transmission rate ad-hoc network adjusted, carries out handling simultaneously root when an abnormality is discovered
It is safeguarded according to default maintenance period.
Transmission rate ad-hoc network adjusted is monitored in real time, mainly includes that abnormal conditions carry out and according to default
Maintenance period carries out two aspects of maintenance.Specifically, refer to the slave node that there is net in ad-hoc network extremely, illustrate this
When ad-hoc network existing defects, can not normally realize its function, need to upload abnormal conditions and handled.
The method that the present invention promotes LoRa network communication rate carries out networking to LoRa network, obtains ad-hoc network, scanning
Network transmission speed channel in ad-hoc network, and scanning result is obtained according to preset signal strength threshold value, it is set according to scanning result
Determine the transmission rate of ad-hoc network, transmission rate ad-hoc network adjusted is monitored in real time, is carried out when an abnormality is discovered
It handles and is safeguarded according to default maintenance period.In whole process, according to network transmission speed channel in scanning ad-hoc network
Scanning result, rationally be arranged LoRa network transmission rate, can effectively promote LoRa network communication rate.
Specifically, transmission rate ad-hoc network adjusted is monitored in real time, is handled when an abnormality is discovered
Comprising steps of
Step 1: being in real time monitored transmission rate ad-hoc network adjusted, when detect fall to net from node when, needle
The scanning of transmission rate from low to high is carried out to the slave node for falling net.
Step 2: when pawning the slave node received signal strength indication of net lower than preset signal strength threshold value, scanning is terminated.
Step 3: the previous transmission rate for scanning corresponding transmission rate and being switched to ad-hoc network of scanning will be terminated.
Persistently ad-hoc network is monitored, falls net if having detected from node, carries out transmission rate for this single node
It scans, transmission rate from low to high, needs to guarantee that this node received signal strength indication is higher than threshold values in scanning process.When this node
Received signal strength indication terminates to scan when being lower than threshold values, and the transmission rate of previous scanning is switched to the transmission of whole network
Rate.
Specifically, the step of being safeguarded according to default maintenance period include:
When reaching timed maintenance time point, the step of returning and carry out networking to LoRa network, obtain ad-hoc network.
If the timed maintenance time arrives, effective networking is completed again to network initiation, after completing effective networking, according to setting
Signal strength threshold values is scanned network transmission speed channel, according to the result setting network communications rate of scanning.
In order to further explain in detail the technical solution that the present invention promotes the method for LoRa network communication rate, below will
Detailed explanation is carried out in conjunction with Fig. 3.
As shown in figure 3, the method that the present invention promotes LoRa network communication rate in one of the embodiments, is specifically wrapped
It includes:
Step 1: host node confirms network from node white list.
Step 2: setting host node transmission rate to be minimum, wherein it is minimum refer to meet network communication and networking function item
Minimum under part.
Step 3: carrying out networking, networking success then continues step 4, and otherwise setting network transmission rate is minimum transmission speed
Rate reports an error to main website.
Step 4: obtaining (setting) network received signal intensity threshold value.
Step 5: scan transfer speed channel from low to high.
Step 6: judging have lower than threshold value from node received signal strength? otherwise 5 are re-execute the steps, is, is executed
Step 7.
Step 7: terminating scanning, scanning is previous to scan corresponding transmission rate setting network transmission rate according to terminating.
Step 8: completing networking adaptation rate.
Step 9: having detected after completion step 8 from node and fallen net, continued to execute step 10.
Step 10: single node transmission rate is scanned from low to high, continues to execute step 11.
Step 11: judging that single node receives whether signal is lower than threshold value, otherwise re-execute the steps 10, is, continues to execute
Step 12.
Step 12: switching whole network transmission rate.
Step 13: after completing step 8, the network operation time is arrived, and jumps to step 1 execution.
As shown in figure 4, a kind of system for promoting LoRa network communication rate, comprising:
Networking module 200 obtains ad-hoc network for carrying out networking to LoRa network.
Scan module 400, for scanning network transmission speed channel in ad-hoc network, and according to preset signal strength threshold value
Obtain scanning result.
Transmission rate setting module 600, for setting the transmission rate of ad-hoc network according to scanning result.
Monitoring modular 800, for being monitored in real time to transmission rate ad-hoc network adjusted, when an abnormality is discovered into
Row is handled and is safeguarded according to default maintenance period.
The system that the present invention promotes LoRa network communication rate, networking module 200 carry out networking, acquisition group to LoRa network
Net network, scan module 400 scans network transmission speed channel in ad-hoc network, and is swept according to preset signal strength threshold value
It retouches as a result, transmission rate setting module 600 sets the transmission rate of ad-hoc network according to scanning result, monitoring modular 800 is real-time
Transmission rate ad-hoc network adjusted is monitored, handled when an abnormality is discovered and is carried out according to default maintenance period
Maintenance.In whole process, according to the scanning result in network transmission speed channel in scanning ad-hoc network, LoRa network is rationally set
Transmission rate, can effectively promote LoRa network communication rate.
As shown in figure 5, networking module 200 includes: in one of the embodiments,
Searching unit 220, for traversing LoRa network, search host node in LoRa network with from node, and obtain from
Node white list.
Determination unit 240, for determining the slave node for needing to scan according to from node white list.
Group net unit 260, for setting host node transmission rate to meet under the conditions of network communication and networking function most
Low value carries out networking, obtains ad-hoc network.
As shown in figure 5, scan module 400 includes: in one of the embodiments,
Threshold value acquiring unit 420, for obtaining preset signal strength threshold value.
Search unit 440 scans network transmission speed channel with transmission rate for controlling host node from low to high, and according to
The secondary each slave node that need to be scanned of search.
Scanning element 460, for when some is lower than preset signal strength threshold value from node received signal strength, termination to be swept
It retouches.
Transmission rate setting module 600 will terminate the corresponding transmission rate of the previous scanning of scanning and be set as ad-hoc network
Transmission rate.
Monitoring modular 800 includes: in one of the embodiments,
Fall net detection unit, for being monitored in real time to transmission rate ad-hoc network adjusted, when detecting from section
Point falls when netting, and carries out the scanning of transmission rate from low to high for the slave node for falling net.
Processing unit terminates when for pawning the slave node received signal strength indication of net lower than preset signal strength threshold value
Scanning.
Switch unit, for the transmission speed for scanning the corresponding transmission rate of previous scanning and being switched to ad-hoc network will to be terminated
Rate.
Monitoring modular 800 in one of the embodiments, further include:
Return unit, for when reaching timed maintenance time point, control networking module 100 to be re-executed to LoRa network
Networking is carried out, the operation of ad-hoc network is obtained.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of method for promoting LoRa network communication rate, which is characterized in that comprising steps of
Networking is carried out to LoRa network, obtains ad-hoc network；
Network transmission speed channel in the ad-hoc network is scanned, and scanning result is obtained according to preset signal strength threshold value；
The transmission rate of the ad-hoc network is set according to the scanning result；
The ad-hoc network adjusted to transmission rate in real time is monitored, and is handled when an abnormality is discovered and according to default
Maintenance period is safeguarded；
Described to carry out networking to LoRa network, obtaining ad-hoc network includes:
The LoRa network is traversed, host node in the LoRa network is searched with from node, and obtains from node white list；
According to described from node white list, the slave node for needing to scan is determined；
It sets the host node transmission rate and carries out networking with the minimum under the conditions of networking function to meet network communication, obtain
Ad-hoc network.
2. the method according to claim 1 for promoting LoRa network communication rate, it is characterised in that；
Network transmission speed channel in the scanning ad-hoc network, and scanning result is obtained according to preset signal strength threshold value
The step of include:
Obtain preset signal strength threshold value；
It controls the host node and scans network transmission speed channel from low to high with transmission rate, and successively search for each need
The slave node of scanning；
When some is lower than the preset signal strength threshold value from node received signal strength, scanning is terminated；
The step of transmission rate that the ad-hoc network is set according to the scanning result includes:
The previous transmission rate for scanning corresponding transmission rate and being set as the ad-hoc network of scanning will be terminated.
3. the method according to claim 1 for promoting LoRa network communication rate, which is characterized in that described in real time to transmission
The step of ad-hoc network after speed adjust is monitored, is handled when an abnormality is discovered include:
The ad-hoc network adjusted to transmission rate in real time is monitored, when detect fall to net from node when, for falling net
Slave node carry out transmission rate scanning from low to high；
When pawning the slave node received signal strength indication of net lower than the preset signal strength threshold value, scanning is terminated；
The previous transmission rate for scanning corresponding transmission rate and being switched to the ad-hoc network of scanning will be terminated.
4. the method according to claim 1 for promoting LoRa network communication rate, which is characterized in that the default dimension of the basis
Shield the step of being safeguarded in period includes:
When reaching timed maintenance time point, described the step of networking is carried out to LoRa network, obtains ad-hoc network is returned.
5. a kind of system for promoting LoRa network communication rate characterized by comprising
Networking module, for traversing the LoRa network, search host node in the LoRa network with from node, and obtain from
Node white list determines the slave node for needing to scan according to described from node white list, set the host node transmission rate as
Meet the minimum progress networking under the conditions of network communication and networking function, obtains ad-hoc network；
Scan module is obtained for scanning network transmission speed channel in the ad-hoc network, and according to preset signal strength threshold value
Obtain scanning result；
Transmission rate setting module, for setting the transmission rate of the ad-hoc network according to the scanning result；
Monitoring modular is monitored for the ad-hoc network adjusted to transmission rate in real time, carries out when an abnormality is discovered
It handles and is safeguarded according to default maintenance period.
6. the system according to claim 5 for promoting LoRa network communication rate, which is characterized in that the scan module packet
It includes:
Threshold value acquiring unit, for obtaining preset signal strength threshold value；
Search unit scans network transmission speed channel with transmission rate for controlling the host node from low to high, and successively
Search for each slave node that need to be scanned；
Scanning element, for terminating scanning when some is lower than the preset signal strength threshold value from node received signal strength；
The transmission rate setting module will terminate the corresponding transmission rate of the previous scanning of scanning and be set as the ad-hoc network
Transmission rate.
7. the system according to claim 5 for promoting LoRa network communication rate, which is characterized in that the monitoring modular packet
It includes:
Fall net detection unit, be monitored for the ad-hoc network adjusted to transmission rate in real time, when detecting from section
Point falls when netting, and carries out the scanning of transmission rate from low to high for the slave node for falling net；
Processing unit terminates when for pawning the slave node received signal strength indication of net lower than the preset signal strength threshold value
Scanning；
Switch unit, for the transmission speed for scanning the corresponding transmission rate of previous scanning and being switched to the ad-hoc network will to be terminated
Rate.
8. the system according to claim 5 for promoting LoRa network communication rate, which is characterized in that the monitoring modular is also
Include:
Return unit, for when reaching timed maintenance time point, control the networking module re-execute to LoRa network into
Row networking obtains the operation of ad-hoc network.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 4 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of Claims 1-4 is realized when being executed by processor.
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| CN106911430B (en) * | 2017-03-03 | 2020-09-29 | 国动物联网有限公司 | LoRaWAN adaptive rate adjustment method |
| CN106899387B (en) * | 2017-03-13 | 2020-03-31 | 武汉慧联无限科技有限公司 | Rate self-adaption method based on LoRa wireless network |
| CN107682939B (en) * | 2017-03-20 | 2021-06-15 | 上海贝壳供应链管理有限公司 | Communication method based on LORA ad hoc protocol |
| CN107172654B (en) * | 2017-06-14 | 2021-04-27 | 深圳市亿兆互联技术有限公司 | Lora data analyzer and data analysis method |
| CN108199892B (en) * | 2018-01-12 | 2019-11-26 | 电子科技大学 | LoRa terminal maximum transmission rate dynamic prediction method neural network based |
| CN108449763B (en) * | 2018-03-15 | 2021-03-16 | 重庆邮电大学 | LoRaWAN network rate self-adaptive adjusting method based on channel state identification |
| CN108848538B (en) * | 2018-05-30 | 2019-09-06 | 新华三技术有限公司 | File transmitting method and device |
| CN111343697B (en) * | 2018-12-18 | 2022-07-12 | 南京新联电能云服务有限公司 | Communication networking method and communication system |
| CN111065130B (en) * | 2019-11-21 | 2023-07-25 | 北京长焜科技有限公司 | NB-loT base station wireless aggregation transmission network system and networking method thereof |
| CN111278033B (en) * | 2020-01-21 | 2022-10-18 | 北京工业大学 | Method for intelligent scanning and dynamic optimal configuration of transmission rate of LoRa communication network |
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