CN107222931A - A kind of LoRa communication means and system - Google Patents
A kind of LoRa communication means and system Download PDFInfo
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- CN107222931A CN107222931A CN201710557103.1A CN201710557103A CN107222931A CN 107222931 A CN107222931 A CN 107222931A CN 201710557103 A CN201710557103 A CN 201710557103A CN 107222931 A CN107222931 A CN 107222931A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/04—Scheduled or contention-free access
- H04W74/06—Scheduled or contention-free access using polling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
- H04Q2209/75—Arrangements in the main station, i.e. central controller by polling or interrogating the sub-stations
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Abstract
Polling request is sent to corresponding LoRa terminals by LoRa gateways in specified timing node according to the terminal works time file of working channel this application discloses a kind of LoRa communication means, including LoRa processors；The terminal works time file is calculated according to the parameter of each LoRa terminal by the LoRa processors and generated, wherein store each described LoRa terminal enters the timing node of row data communication with the LoRa processors；The LoRa terminals are received after the polling request, and Monitoring Data is sent to the LoRa processors by the LoRa gateways.According to terminal works time file, each LoRa terminal of poll, to obtain Monitoring Data, so as to avoid the generation of data collision, effectively increases communication efficiency to LoRa processors in an orderly manner in the application.Disclosed herein as well is a kind of LoRa communication systems, equally with above-mentioned beneficial effect.
Description
Technical field
The application is related to Internet of Things field, more particularly to a kind of LoRa communication means and system.
Background technology
Continuing to develop and applying with science and technology, technology of Internet of things has begun to come into and influences the production and life of the mankind
Deng activity.Especially in recent years, the increasingly increase with people to the demand of intelligence experience, increasing fragmentation terminal is set
Standby to need access network to realize interconnection, technology of Internet of things is in smart home, smart city, intelligent building, reading intelligent agriculture etc.
Exhibited one's skill to the full in each application scenarios.
Networking technology is particularly significant in Internet of Things application, and it solves the network interconnection and communication of each terminal device.
LoRa technologies are a kind of low-power consumption wan communication technologies just grown up in recent years, compared to WiFi before,
The local area network wireless technology such as ZigBee, bluetooth, and the wide area network wireless technology such as 2G/3G/4G, LoRa have transmission range simultaneously
Far, the advantages of power consumption of terminal is low, capacity is big, battery life is long, can farthest realize more long haul communication and more low-power consumption,
Thus yielded unusually brilliant results in Internet of Things application field.
However, in the prior art, being entered using the system of LoRa technologies with numerous LoRa terminal devices in communication network
In row communication process, easily occur data collision, cause the extremely inefficient of data pack receiving and transmitting process, and then reduce whole system
Communication speed.
The content of the invention
The purpose of the application is to provide a kind of LoRa communication means and system, to be effectively prevented from the hair of data collision
It is raw, improve the communication efficiency of system.
In order to solve the above technical problems, the application provides a kind of LoRa communication means, including：
LoRa processors pass through LoRa gateways according to the terminal works time file of working channel in specified timing node
Polling request is sent to corresponding LoRa terminals；The terminal works time file is as described in the LoRa processors according to each
The parameter of LoRa terminals calculates generation, wherein store each described LoRa terminal enters row data communication with the LoRa processors
Timing node；
The LoRa terminals are received after the polling request, are sent by the LoRa gateways to the LoRa processors
Monitoring Data.
Alternatively, the terminal works time file is by parameter of the LoRa processors according to each LoRa terminal
Calculating generation includes：
After the LoRa terminals network through competitive channel, the LoRa processors are according to the terminals of low-power consumption LoRa terminals
Information and report cycle, calculate the timeslice that the generation low-power consumption LoRa terminals enter row data communication；According to non-low-power consumption
The report cycle of LoRa terminals, calculates the time sequencing file that the generation non-low-power consumption LoRa terminals enter row data communication；
LoRa processors terminal works time text according to the timeslice and the time sequencing file generated
Part.
Alternatively, in addition to：
The LoRa terminals are switched to the competitive channel when monitoring that early warning event occurs by the working channel,
Warning information is sent to the LoRa processors.
Alternatively, in addition to：
The LoRa processors are according to the terminal works time file of each working channel, by different LoRa gateways,
To the LoRa terminal concurrence polling requests being operated in different operating channel；Wherein, the different working channels is using mutual
Orthogonal spreading factor is spread.
Alternatively, in addition to：
When the corresponding LoRa gateways of the LoRa terminals are unavailable, the LoRa processors are where the LoRa terminals
Working channel in selection can use LoRa gateways, recover and the LoRa terminal rooms data communication.
Alternatively, in addition to：
When the LoRa terminals being operated in the same working channel, the non-interfering geographic area of signal is deployed in
When, the LoRa processors are asked the LoRa terminal concurrences of different geographic regions by the LoRa gateways.
Present invention also provides a kind of LoRa communication systems, including：
LoRa terminals：For after the polling request of LoRa processors is received, by LoRa gateways from working channel to
The LoRa processors send Monitoring Data；
The LoRa gateways：For the polling request of the LoRa processors to be transmitted into the LoRa terminals；And
The Monitoring Data of the LoRa terminals is transmitted to the LoRa processors；
The LoRa processors：For the terminal works time file according to the working channel, in specified when segmentum intercalaris
Point sends polling request by the LoRa gateways to corresponding LoRa terminals；The terminal works time file is by the LoRa
Processor is calculated according to the parameter of each LoRa terminal and generated, wherein storing each described LoRa terminal and the LoRa
Processor enters the timing node of row data communication.
Alternatively, the LoRa processors specifically for：
After the LoRa terminals network through competitive channel, according to the end message of low-power consumption LoRa terminals and reporting week
Phase, calculate the timeslice that the generation low-power consumption LoRa terminals enter row data communication；According to reporting for non-low-power consumption LoRa terminals
In the cycle, calculate the time sequencing file that the generation non-low-power consumption LoRa terminals enter row data communication；According to the timeslice and
Terminal works time file described in the time sequencing file generated.
Alternatively, the LoRa terminals are additionally operable to：
When monitoring that early warning event occurs, the competitive channel is switched to by the working channel, at the LoRa
Manage device and send warning information.
Alternatively, the LoRa processors are additionally operable to：
According to the terminal works time file of each working channel, by different LoRa gateways, to being operated in different works
Make the LoRa terminal concurrence polling requests in channel；Wherein, the different working channels uses mutually orthogonal spreading factor
Spread.
Alternatively, the LoRa processors are additionally operable to：
When the corresponding LoRa gateways of the LoRa terminals are unavailable, the LoRa processors are where the LoRa terminals
Working channel in selection can use LoRa gateways, recover and the LoRa terminal rooms data communication.
Alternatively, the LoRa processors are additionally operable to：
When the LoRa terminals being operated in the same working channel, the non-interfering geographic area of signal is deployed in
When, the LoRa processors are asked the LoRa terminal concurrences of different geographic regions by the LoRa gateways.
In LoRa communication means provided herein, LoRa processors are literary according to the terminal works time of working channel
Part, polling request is sent in specified timing node by LoRa gateways to corresponding LoRa terminals；The terminal works time
File is calculated according to the parameter of each LoRa terminal by the LoRa processors and generated, wherein storing each LoRa
Terminal enters the timing node of row data communication with the LoRa processors；The LoRa terminals are received after the polling request,
Monitoring Data is sent to the LoRa processors by the LoRa gateways.
It can be seen that, compared to prior art, in LoRa communication means provided herein, LoRa processors utilize its basis
The parameter of each LoRa terminal calculates the terminal works time file of generation, carrys out the communication of overall arrangement and each LoRa terminal
Time, initiate to access to corresponding LoRa terminals in the specified time, therefore different LoRa terminal rooms can be avoided completely
Data collision.As can be seen here, LoRa communication means provided herein, can be effectively prevented from rushing for communication data in system
It is prominent, so as to greatly improve the communication efficiency of system.LoRa communication systems provided herein can realize above-mentioned LoRa
Communication means, equally with above-mentioned beneficial effect.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, needed in being described below to the embodiment of the present application
The accompanying drawing to be used makees brief introduction.Certainly, about in only the application of the accompanying drawing description of the embodiment of the present application below
A part of embodiment, to those skilled in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the accompanying drawing of offer, the other accompanying drawings obtained fall within the protection domain of the application.
A kind of flow chart for LoRa communication means that Fig. 1 is provided by the embodiment of the present application；
The flow chart for another LoRa communication means that Fig. 2 is provided by the embodiment of the present application；
A kind of structured flowchart for LoRa communication systems that Fig. 3 is provided by the embodiment of the present application；
A kind of application scenario diagram for LoRa communication systems that Fig. 4 is provided by the embodiment of the present application.
Embodiment
In order to more clearly and completely be described to the technical scheme in the embodiment of the present application, below in conjunction with this Shen
Accompanying drawing that please be in embodiment, the technical scheme in the embodiment of the present application is introduced.Obviously, described embodiment is only
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of the application protection.
Fig. 1 is refer to, a kind of flow chart for LoRa communication means that Fig. 1 is provided by the embodiment of the present application mainly includes
Following steps：
Step 101：LoRa processors pass through according to the terminal works time file of working channel in specified timing node
LoRa gateways send polling request to corresponding LoRa terminals.
In the LoRa communication means that the embodiment of the present application is provided, rushed in order to avoid the data of different LoRa terminal rooms
Prominent, the communication process between all processors with LoRa is all initiated by LoRa processors, i.e., when LoRa processors pass through
LoRa gateways are initiated to some LoRa terminal after request of data, and the LoRa terminals just can be by LoRa gateways to LoRa processing
Device sends Monitoring Data.In order to avoid data collision, LoRa processors are by the way of poll；And LoRa processors are in poll
It is specifically to be carried out according to the terminal works time file of its calculating generation during each LoRa terminal.
Terminal works time file mentioned here, is that LoRa processors are united according to the relevant parameter of each LoRa terminal
Raise and arrange generation.After each LoRa terminal is sent by LoRa gateways to LoRa processors networks request, LoRa processors
The networking of each LoRa terminal is completed, and obtains the relevant parameter of LoRa terminals, for generating the terminal works time file.
In specifically generation terminal works time file, for the LoRa terminals of different power consumption type, LoRa processors employ difference
Arrangement strategy.
For low-power consumption LoRa terminals, it only can just enter when data monitoring is carried out with LoRa processors
Row data communication, other times are then in a dormant state.Therefore, LoRa processors need to obtain its report cycle, and its end
Client information, such as version, MAC Address, the time of row data communication can be entered to calculate generation low-power consumption LoRa terminals
Piece.
, at any time can be with LoRa processing and for non-low-power consumption LoRa terminals, it does not have resting state
Device enters row data communication.Therefore for non-low-power consumption LoRa terminals, LoRa processors need to only obtain its report cycle, just can unite
Each non-low-power consumption LoRa terminal of one schedule enters the time sequencing of row data communication, generates time sequencing file.Certainly, hold
Intelligible to be, either low-power consumption LoRa terminals are also non-low-power consumption LoRa terminals, and LoRa processors are the progress of its arrangement
The time of data communication is all Lothrus apterus, to ensure the generation of no data collision phenomenon.
By the timeslice, the time sequencing of all non-low-power consumption LoRa terminals text that merge all low-power consumption LoRa terminals
Part, LoRa processors just can generate the terminal works time file for containing all LoRa terminal communications timing nodes, so as to
Request is polled to each LoRa terminal according to each timing node.
It should be noted that due in the application, LoRa terminal of all working in working channel can not actively to
LoRa processors send information, therefore, and it before successfully networking actively is transmitted into LoRa processors by competitive channel
The information such as net request.And after it successfully networks, each LoRa terminal is just divided into working channel by LoRa processors, specifically
It can be assigned in the working channel where its corresponding LoRa gateway, to manage the data communication with it as a whole.
In addition, it should be noted that, working channel described here and competitive channel are simply set to communication initiator's formula
Difference is put, any channel can be set to working channel or competitive channel by those skilled in the art, and the application is implemented
Example is not defined to this.
In addition, it is worth mentioning at this point that, the embodiment of the present application does not limit the particular number of working channel, and preferably pushes away
Recommend using multiple working channels, to avoid the hair of data collision using the orthogonal property of electric signal in different operating channel
It is raw.That is, the LoRa terminal concurrence polls that LoRa processors can simultaneously to being operated in different operating channel；Wherein, it is different
Working channel is spread using mutually orthogonal spreading factor, it is ensured that electric signal when being communicated in different operating channel is mutual
Do not disturb, therefore data collision will not be produced.Certainly, for each working channel, LoRa processors are to therein
When LoRa terminals are polled, remain what is carried out in order according to the terminal works time file of the working channel.
Step 102：LoRa terminals are received after polling request, and monitoring number is sent to LoRa processors by LoRa gateways
According to.
As it was previously stated, LoRa terminals are after the polling request from LoRa processors is received, will by LoRa gateways
Its Monitoring Data recorded in monitoring cycle is sent to LoRa processors through working channel, so that LoRa processors are to monitoring number
According to being further analyzed and handle.
Certainly, for security reasons, in the LoRa communication means that the embodiment of the present application is provided, all communication numbers
It is taken precautions against according to the safety measures such as key encryption can be used.For which kind of cipher mode used, those skilled in the art can
Voluntarily to select to set, the embodiment of the present application is to this without limiting.
In addition, in addition it is also necessary to supplementary notes, LoRa gateways serve bridge between LoRa terminals and LoRa processors
Connection function, in both carry out data communication process have Data Format Transform function and data forwarding capability.Specifically,
Realized and communicated by wired connection between LoRa gateways and LoRa processors, and can passed through between LoRa gateways and LoRa terminals
Lora Wireless Networks realize communication；LoRa gateways, can be by LoRa as the bridge between wire communication and radio communication
Communication data between terminal and LoRa processors is converted to cable network data form by wireless network data form, or by having
Gauze network Data Format Transform is wireless network data form.In addition, each LoRa gateways can correspond to it is single or multiple
Single or multiple LoRa gateways can also be set in LoRa terminals, each service aisle, and the embodiment of the present application is not entered to this
Row is limited, and those skilled in the art voluntarily can select and set according to actual use situation.
It can be seen that, in the LoRa communication means that the embodiment of the present application is provided, by by LoRa processors according to terminal works
Time file manages the data communication between each LoRa terminal as a whole, it is ensured that whole communication process enters without any confusion
OK, it is to avoid the data collisions of different LoRa terminal rooms, and then communication efficiency is improved.
Fig. 2 is refer to, on the basis of the LoRa communication means that above example is provided, Fig. 2 is the embodiment of the present application
The flow chart of another the LoRa communication means provided, is mainly included the following steps that：
Step 201：LoRa processors pass through different LoRa nets according to the terminal works time file of each working channel
Close, to the LoRa terminal concurrence polling requests being operated in different operating channel；Wherein, to being operated in same working channel,
The different LoRa terminal concurrences request in geographic area.
The LoRa communication means that the present embodiment is provided, on the basis of the LoRa communication means shown in Fig. 1, is employed many
The mode that individual working channel is concurrently polled.Also, can be with for the LoRa terminals being operated in same working channel
It is deployed in different geographic areas and so that respective signal is not interfere with each other, then LoRa processors are in the poll working channel
In LoRa terminals when, request of data can be carried out to the LoRa terminal concurrences of different geographic regions.
Step 202：LoRa terminals are received after polling request, and monitoring number is sent to LoRa processors by LoRa gateways
According to.
Here the relevant specific contents in step 201 and step 202 can refer to step 101 and step 102 respectively, similar interior
Appearance is just repeated no more here.
In addition, with Fig. 1 except that, in the LoRa communication means that the present embodiment is provided, when LoRa terminal monitorings are arrived
When having the generation of early warning event, such as Smoke Sensor monitors indoor smog granule content beyond preset range, or intelligence
Insert row monitors the power of electric appliance in connection beyond preset range etc., and the LoRa terminals can be as the working channel where it
Competitive channel is voluntarily switched to, and actively sends warning information to LoRa processors, so that LoRa processors are according to warning information
Dangerous situation is handled in time, or notifies user to be handled in time, to avoid the generation of major accident.
In addition, the LoRa communication means that the present embodiment is provided can also solve to cause because LoRa gateways are unavailable
The problem of LoRa terminal communications are interrupted.When the communication disruption of a certain LoRa terminals, such as corresponding LoRa gateways occur
Failure, or the LoRa terminal roaming cause corresponding LoRa gateways and its lost contact, then LoRa processors to another region
Available LoRa gateways can be selected from the working channel where the LoRa terminals, using this can be recovered with LoRa gateways with
The data communication of the LoRa terminal rooms.
It can be seen that, the LoRa communication means that the embodiment of the present application is provided, on the basis of the LoRa communication means shown in Fig. 1
On, can also be by realizing concurrent request to being operated in the different LoRa terminals in geographic area in same working channel, further
Improve the efficiency of communication；In addition, the LoRa communication means that the embodiment of the present application is provided, can also monitor early warning event
During generation, competitive channel is automatically switched to by working channel by LoRa terminals, realized actively to LoRa processors and alarm,
To handle in time early warning event, it is to avoid the generation of accident.Meanwhile, the LoRa communication parties that the embodiment of the present application is provided
Method can also select available by LoRa processors when the corresponding LoRa gateways of LoRa terminals are unavailable from same working channel
LoRa gateways, to recover the data communication to the LoRa terminals.
The LoRa communication systems provided below the embodiment of the present application are introduced.LoRa communication systems described below
Can be mutually to should refer to above-described LoRa communication means.
Referring to Fig. 3, Fig. 3 is a kind of structured flowchart of LoRa communication systems provided herein；Including LoRa terminals
301st, LoRa gateways 302, LoRa processors 303.
LoRa terminals 301 can be that the Smoke Sensor with LoRa Radio Transmission Technologys, detector, Intelligent socket etc. are whole
End equipment, can be realized by LoRa wireless networks with LoRa gateways 302 and communicated；It is mainly used in receiving LoRa processors
After 303 polling request, Monitoring Data is sent from working channel to LoRa processors 303 by LoRa gateways 302.
LoRa gateways 302 are mainly used in the polling request of LoRa processors 303 being transmitted to LoRa terminals 301；And will
The Monitoring Data of LoRa terminals 301 is transmitted to LoRa processors 303.Certainly, LoRa gateways 302 also enter before data forwarding is carried out
Go the conversion of data format, ensure being normally carried out for communication.
LoRa processors 303 can be the models such as LoraServer, can be realized with LoRa gateways 302 by cable network
Communication；It is mainly used in the terminal works time file according to working channel, 302 pairs of LoRa gateways is passed through in specified timing node
Corresponding LoRa terminals 301 send polling request；And receive the Monitoring Data transmitted by LoRa terminals 301.
Terminal works time file mentioned here is parameter meter of the LoRa processors 303 according to each LoRa terminal 301
Generation is calculated, wherein store each LoRa terminal 301 enters the timing node of row data communication with LoRa processors 303.Specifically
, after each LoRa terminal 301 networks through competitive channel, LoRa processors 303 are believed according to the terminal of low-power consumption LoRa terminals
Breath and report cycle, calculate the timeslice that generation low-power consumption LoRa terminals enter row data communication；And according to non-low-power consumption LoRa
The report cycle of terminal, calculates and generates the time sequencing file that the non-low-power consumption LoRa terminals enter row data communication；Then pass through
Merge the time sequencing file and the timeslice, generation contains all LoRa terminals 301 and LoRa processors 303 and carried out
The terminal works time file of the timing node of data communication.
As a kind of preferred embodiment, concurrent poll can be carried out using multiple working channels, to utilize different operating letter
The orthogonal property of road electric signal avoids data collision, and improves system communication efficiency.That is, LoRa processors 303 can also be used
In the terminal works time file according to each working channel, by different LoRa gateways 302, to being operated in different operating letter
The concurrent polling request of LoRa terminals 301 in road.Wherein, different working channels is expanded using mutually orthogonal spreading factor
Frequently, it is ensured that mutual electric signal is not interfere with each other, so as to realizing concurrent poll.
In addition, for the LoRa terminals 301 being operated in same working channel, if to be deployed in signal mutual for it
The geographic area do not disturbed, then can carry out concurrently entering row data communication with LoRa processors 303.That is, LoRa processors 303 exist
It is different for being operated in same working channel, geographic area during LoRa terminals 301 in concurrent poll different operating channel
LoRa terminals 301, can concurrently carry out request of data.
In addition, LoRa terminals 301 can be also used for, when monitoring that early warning event occurs, being voluntarily switched to by working channel
Competitive channel, and warning information actively is sent to LoRa processors 303, so that LoRa processors 303 or user are to early warning thing
Part is handled in time, it is to avoid the generation of accident.
In addition, LoRa processors 303 can be also used for solving by the unavailable LoRa terminals 301 of causing of LoRa gateways 302
Communication disruption problem, i.e. its selection from the working channel at the place of LoRa terminals 301 can use LoRa gateways 302, recover with being somebody's turn to do
Data communication between LoRa terminals 301.
It can be seen that, LoRa communication systems provided herein calculate the terminal works of generation using LoRa processors 303
Time file, manages and initiates the data communication to each LoRa terminal 301 as a whole by LoRa processors 303, thus can nothing
Realize the poll to each LoRa terminal 301 in conflict ground.As can be seen here, LoRa communication systems provided herein can be effective
Ground avoids the data collision between difference LoRa terminals 301 in communication process, and then improves communication efficiency.
It refer to Fig. 4, a kind of application scenario diagram for LoRa communication systems that Fig. 4 is provided by the embodiment of the present application；Including
Image sensor 4011, Smoke Sensor 4012, detector 4013, fire perceiving device 4014, air-conditioner controller 4015, intelligence are inserted
Arrange the 4016, the first LoRa gateways 4021, the 2nd LoRa gateways 4022 and LoRa processors 403.Wherein, image sensor 4011
It is low-power consumption LoRa terminals with detector 4013, and Smoke Sensor 4012, fire perceiving device 4014, the and of air-conditioner controller 4015
Intelligent socket 4016 is non-low-power consumption LoRa terminals.
As shown in figure 4, LoRa processors 403 can pass through cable network and the first LoRa gateways 4021, the 2nd LoRa gateways
4022 realize communication；Image sensor 4011, Smoke Sensor 4012 and detector 4013 can by LoRa wireless networks with
First LoRa gateways 4021 are communicated, and are operated in the first working channel；Fire perceiving device 4014, air-conditioner controller 4015
It can be communicated with Intelligent socket 4016 by LoRa wireless networks with the 2nd LoRa gateways 4022, and be operated in the second work
Make channel.Wherein, the first working channel and the second working channel are spread using mutually orthogonal spreading factor so that each
Electric signal do not interfere with each other because mutually orthogonal.In addition, in addition to Intelligent socket 4016 is deployed in region A, it is other five
LoRa terminals are deployed in region B, and the signal between region A and region B is not interfere with each other.
Also, LoRa processors 403 are stored with the terminal works time file of the first working channel and the second working channel,
It is the relevant parameter calculating generation of each LoRa terminal in the first working channel and the second working channel respectively.Specifically
Ground, after each LoRa terminal shown in Fig. 4 successfully networks and is divided into respective working channel, the basis of LoRa processors 403
The report cycle and end message of image sensor 4011 and detector 4013, calculate respectively its respective data communication when
Between piece；And according to the report cycle of Smoke Sensor 4012, calculate and generate its time sequencing file for entering row data communication；Then
Merge the terminal works time file for generating the first working channel according to the above.And on the other hand, LoRa processors 403
According to fire perceiving device 4014, the report cycle of air-conditioner controller 4015, generate both and carry out data with LoRa processors 403
The time sequencing file of communication；And it is generated with LoRa processors 403 according to the report cycle of Intelligent socket 4016 enter line number
According to the time sequencing file of communication；Then, LoRa processors 403 generate the second work according to the time sequencing Piece file mergence of three
Make the terminal works time file of channel.Wherein, because Intelligent socket 4016 is located at region A, itself and the LoRa terminals in the B of region
Signal do not interfere with each other, so its corresponding call duration time node can be with fire perceiving device 4014 or air-conditioner controller 4015
Call duration time node it is identical or exist overlapping.
When system is carrying out proper communication, LoRa processors 403 are literary according to the terminal works time of the first working channel
Timing node in part, to image sensor 4011, Smoke Sensor 4012 and the polling request data of detector 4013；And simultaneously
According to the timing node in the terminal works time file of the second working channel, to fire perceiving device 4014, air-conditioner controller
4015 and the polling request data of Intelligent socket 4016, realize the concurrent poll of two working channels.Wherein, as it was previously stated, to intelligence
Can insert row 4016 request of data and be also concurrent to the request of data of fire perceiving device 4014, air-conditioner controller 4015.When
Each above-mentioned LoRa terminal is received after the request of data of the transmission of LoRa processors 403, will pass through each self-corresponding first
The LoRa gateways 4022 of LoRa gateways 4021 or the 2nd send respective Monitoring Data to LoRa processors 403.Certainly, the above is led to
Various communication datas during letter can be encrypted using key, to ensure communications security.
In addition, when early warning event occurs, system just enters early warning and handled.For example, when Smoke Sensor 4012 is monitored
Indoor smoke particle content beyond preset range, then its can at once by the working channel being currently located voluntarily be switched into
Used competitive channel during net, and warning information is sent to LoRa processors 403 by the first LoRa gateways 4021, so as to
LoRa processors 403 are handled the early warning event in time.LoRa processors 403 are when handling the smog alarm, Ke Yi
Display interface pushes the prompt message that smog alarm occurs for prompting user, and specifically can be using the side such as word, voice, image
Formula, so as to make user handle mist source the very first time after smog alarm is received, prevents accident.
Other LoRa terminals can equally carry out similar processing, here just not when monitoring that early warning event occurs
Another one introduces, and those skilled in the art can obtain the process that other LoRa terminals carry out early warning processing by way of analogy
And implementation.
The embodiment of each in the application is described by the way of progressive, and what each embodiment was stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Professional further appreciates that, with reference to the method and step of the embodiments described herein description, energy
It is enough to be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate the interchangeable of hardware and software
Property, the composition and step of each example are generally described according to function in the above description.These functions are actually with hard
Part or software mode are performed, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can be with
Described function is realized using distinct methods to each specific application, but this realization is it is not considered that beyond this Shen
Scope please.
Directly it can be held with reference to the step of the method or algorithm that the embodiments described herein is described with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Technical scheme provided herein is described in detail above.Specific case used herein is to this Shen
Principle and embodiment please is set forth, the explanation of above example be only intended to help understand the present processes and its
Core concept.It should be pointed out that for those skilled in the art, not departing from the premise of the application principle
Under, some improvement and modification can also be carried out to the application, these are improved and modification also falls into the protection of the application claim
In the range of.
Claims (12)
1. a kind of LoRa communication means, it is characterised in that including：
LoRa processors are according to the terminal works time file of working channel, in specified timing node by LoRa gateways to phase
The LoRa terminals answered send polling request；The terminal works time file is by the LoRa processors according to each LoRa
The parameter of terminal calculates generation, wherein store each described LoRa terminal and the LoRa processors enter row data communication when
Intermediate node；
The LoRa terminals are received after the polling request, are sent and monitored to the LoRa processors by the LoRa gateways
Data.
2. LoRa communication means according to claim 1, it is characterised in that the terminal works time file is by the LoRa
Processor calculates generation according to the parameter of each LoRa terminal to be included：
After the LoRa terminals network through competitive channel, the LoRa processors are according to the end messages of low-power consumption LoRa terminals
And report cycle, calculate the timeslice that the generation low-power consumption LoRa terminals enter row data communication；It is whole according to non-low-power consumption LoRa
The report cycle at end, calculates the time sequencing file that the generation non-low-power consumption LoRa terminals enter row data communication；
LoRa processors terminal works time file according to the timeslice and the time sequencing file generated.
3. LoRa communication means according to claim 2, it is characterised in that also include：
The LoRa terminals are switched to the competitive channel, to institute when monitoring that early warning event occurs by the working channel
State LoRa processors and send warning information.
4. LoRa communication means according to claim 2, it is characterised in that also include：
The LoRa processors are according to the terminal works time file of each working channel, by different LoRa gateways, to work
Make the LoRa terminal concurrence polling requests in different operating channel；Wherein, the different working channels is using mutually orthogonal
Spreading factor spread.
5. LoRa communication means according to claim 4, it is characterised in that also include：
When the corresponding LoRa gateways of the LoRa terminals are unavailable, the work where the LoRa processors from the LoRa terminals
LoRa gateways can be used by making selection in channel, recover the data communication with the LoRa terminal rooms.
6. according to any one of claim 1 to the 5 LoRa communication means, it is characterised in that also include：
When the LoRa terminals being operated in the same working channel, when being deployed in the non-interfering geographic area of signal,
The LoRa processors are asked the LoRa terminal concurrences of different geographic regions by the LoRa gateways.
7. a kind of LoRa communication systems, it is characterised in that including：
LoRa terminals：For after the polling request of LoRa processors is received, by LoRa gateways from working channel to described
LoRa processors send Monitoring Data；
The LoRa gateways：For the polling request of the LoRa processors to be transmitted into the LoRa terminals；And by institute
The Monitoring Data for stating LoRa terminals is transmitted to the LoRa processors；
The LoRa processors：It is logical in specified timing node for the terminal works time file according to the working channel
Cross the LoRa gateways and polling request is sent to corresponding LoRa terminals；The terminal works time file is by the LoRa processing
Device is calculated according to the parameter of each LoRa terminal and generated, wherein storing each described LoRa terminal and the LoRa processing
Device enters the timing node of row data communication.
8. LoRa communication systems according to claim 7, it is characterised in that the LoRa processors specifically for：
After the LoRa terminals network through competitive channel, according to the end message and report cycle of low-power consumption LoRa terminals, meter
Calculate the timeslice that the generation low-power consumption LoRa terminals enter row data communication；According to the report cycle of non-low-power consumption LoRa terminals,
Calculate the time sequencing file that the generation non-low-power consumption LoRa terminals enter row data communication；According to the timeslice and it is described when
Between sequential file generate the terminal works time file.
9. LoRa communication systems according to claim 8, it is characterised in that the LoRa terminals are additionally operable to：
When monitoring that early warning event occurs, the competitive channel is switched to by the working channel, to the LoRa processors
Send warning information.
10. LoRa communication systems according to claim 8, it is characterised in that the LoRa processors are additionally operable to：
According to the terminal works time file of each working channel, by different LoRa gateways, to being operated in different operating letter
LoRa terminal concurrence polling requests in road；Wherein, the different working channels is carried out using mutually orthogonal spreading factor
Spread spectrum.
11. LoRa communication systems according to claim 10, it is characterised in that the LoRa processors are additionally operable to：
When the corresponding LoRa gateways of the LoRa terminals are unavailable, the work where the LoRa processors from the LoRa terminals
LoRa gateways can be used by making selection in channel, recover the data communication with the LoRa terminal rooms.
12. according to any one of claim 7 to the 11 LoRa communication systems, it is characterised in that the LoRa processors are also used
In：
When the LoRa terminals being operated in the same working channel, when being deployed in the non-interfering geographic area of signal,
The LoRa processors are asked the LoRa terminal concurrences of different geographic regions by the LoRa gateways.
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