CN107360610A - A kind of dynamic router method based on LORA wireless communication technologys - Google Patents
A kind of dynamic router method based on LORA wireless communication technologys Download PDFInfo
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- CN107360610A CN107360610A CN201710697380.2A CN201710697380A CN107360610A CN 107360610 A CN107360610 A CN 107360610A CN 201710697380 A CN201710697380 A CN 201710697380A CN 107360610 A CN107360610 A CN 107360610A
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- router
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to Internet of Things and sensor technical field, more particularly, to a kind of dynamic router method based on LORA wireless communication technologys.Including level-1 router, level 2 router, sensor node, described level-1 router and level 2 router have LORA wireless communication modules, and sensor node is communicated by LORA wireless communication modules with level 2 router LORA wireless communication modules；Communicated between level-1 router and two routers by LORA wireless communication modules.The cost of sensing node is reduced, the influence to whole network when unit exception is reduced, increases and cover flexibility, is even more to substantially reduce in cost.
Description
Technical field
The present invention relates to Internet of Things and sensor technical field, and LORA radio communication skills are based on more particularly, to one kind
The dynamic router method of art.
Background technology
It is more in existing Internet of Things route technology that mode is built using plane formula, do not divide level, meaning clearly
Think to be that in whole radio sensing network, its majority is the just communication with sensing node and sensing node.The nothing of this plane formula
Line sensing network generally use calculates farthest jump and selects optimal path away from behavior sensing node is entered.
For using this plane formula, by farthest jumping the mode away from selection optimal path, sensing node will certainly be increased
Resource cost, in the urgent equipment of this resource of sensing node and do not apply to, add sensing node burden, and energy consumption is big
Improve greatly.In current existing invention, do not studied targetedly for certain a kind of wireless technology, also without table
The final purpose that bright route transmits data, it is well known that different wireless technologys possesses different transmission characteristics, not for certain
A kind of wireless technology is studied, and its invention realizes that effect can be greatly reduced with technology.
Structure route technology is carried out by the way of plane formula, the resource cost of node is considerably increased, energy consumption cost, covers
Cover dumb, cost cost.From overall architecture, this implementation framework is very single, and the workload to be done of node is big,
It needs a large amount of calculating and optimal storage routing table, like this, after number of nodes increases, calculates the workload of optimal path
Also can increase therewith, and optimal path table also increases therewith, so as to increase the cost of node resource, adds power consumption；When
During the ratio comparatively dense of inserting knot, increase the node outermost node arranged before node is limited in outermost, if
Some outermost nodes with other in arrangement apart from when relatively close on, and when being further added by node, it is necessary to this outermost
Enclose and arranged within the maximum communication distance of node, also, also just only a link provides communication between it, when this outermost
After node breaks down, that node finally arranged will produce related phenomenon, independently of this, have no the actual meaning, therefore
So result in covering inflexible phenomenon.And, it is assumed that these equipment are needed to be connected into internet or other-end, and it is designed
Just need to increase corresponding hardware on each node, so as to add cost.
The content of the invention
The present invention is to overcome at least one defect described in above-mentioned prior art, there is provided based on LORA wireless communication technologys
Dynamic router technology, route technology is carried out with being connected into the concrete application of interconnection using three-dimensional framework, and for LORA
Research is created, and so as to greatly reduce the cost of node, is reduced the influence to whole network when unit exception, is increased and cover
Flexibility has been covered, has been even more to substantially reduce in cost.
In order to solve the above technical problems, the technical solution adopted by the present invention is：It is a kind of based on LORA wireless communication technologys
Dynamic router method, including level-1 router, level 2 router, sensor node, described level-1 router and second grade highway
There are LORA wireless communication modules by device, sensor node passes through LORA wireless communication modules and level 2 router LORA radio communications
Module is communicated；Communicated between level-1 router and two routers by LORA wireless communication modules.It is wherein described
Level-1 router also includes processor, power supply, GSM/GPRS modules, and LORA, which is used to receive, carrys out self- route networks node data, so
Connected afterwards by GSM/GPRS and internet；Level 2 router also includes processor and power supply.Sensor node includes sensor
With LORA wireless communication modules, sensor is used to gather the data for needing detection object, and intermediate layer is wirelessly uploaded to by LORA
Route network node.Described processor includes digital IO I/O port, SPI communication interface, serial communication interface.Described one
Level route LORA wireless communication modules are connected by digital IO I/O port, SPI communication interface with processor, and processor passes through
Serial ports is connected with GSM/GPRS modules；Second grade router LORA wireless communication modules are connect by digital IO I/O port, SPI communication
Mouth is connected with processor.
The routing algorithm of the present invention is come research and design based on the basic thought of distance vector algorithm.Adjacent node is detectd
Survey and identify, a node is added or deleted from node listing by the signal intensity of the node around detecting, and be it
Node distribution node ID, after router is changed, node ID can change with the change of router；The initialization of routing table,
Under original state, each router only collects directly connected routing iinformation, because use is wirelessly transferred, therefore, definition
More than certain signal intensity to be joined directly together, it is determined that adjacent straight link by afterwards, connecting router by collecting adjacent straight
Between signal intensity, signal to noise ratio, the trade-off value of transmission delay is as path cost variable；It is determined that after routing table, it route
Table starts to transmit backward, and each route will calculate shortest path according to routing table；Routing table will set periodically detection with
Renewal.
Dynamic router technology provided by the invention, the sensor node from oneself compass of competency of each attribute can be received
The data of upload, and one-level is collected by optimal path and route, and then access internet.
In the case of no data-triggered, router is in a dormant state；When sensor node or routing table update
After cycle sets out, router enters working condition.
Compared with prior art, beneficial effect is：
1. reduce the hardware resource cost of node；
2. reduce the influence to whole network when unit exception；
3. add the covering flexibility of node；
4. reduce the cost cost of node.
Brief description of the drawings
Fig. 1 is level 2 router schematic diagram of the present invention.
Fig. 2 is router connection diagram.
Fig. 3 is level-1 router schematic diagram of the present invention.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in figure 1, a kind of dynamic router method based on LORA wireless communication technologys, including level-1 router, two
Level router, sensor node, described level-1 router and level 2 router have LORA wireless communication modules, sensor node
Communicated by LORA wireless communication modules with level 2 router LORA wireless communication modules；Level-1 router and two routers
Between communicated by LORA wireless communication modules.Wherein described level-1 router also includes processor, power supply, GSM/
GPRS module, LORA, which is used to receive, carrys out self- route networks node data, is then connected by GSM/GPRS and internet；Second grade highway
Processor and power supply are also included by device.Sensor node includes sensor and LORA wireless communication modules, and sensor is used to gather
The data of detection object are needed, the route network node in intermediate layer is wirelessly uploaded to by LORA.Described processor includes numeral
Input and output I/O port, SPI communication interface, serial communication interface.
In the case of no data-triggered, router is in a dormant state；When sensor node or routing table update
After cycle sets out, router enters working condition.
As shown in Fig. 2 this router-modelle is only being used as row, a router is taken as level-1 router, it is false
If router 4 is used as level-1 router.Therefore the theory structure of router 4 is as shown in Figure 3.Electric-opening on router, router
1st, router 2, router 3, router 4, router 5 can collect adjacent direct-connected routing iinformation to establish the routing table of the machine,
Then level-1 router, i.e. router 4, the gradually transmission that a router carries out routing table can be selected, is transmitted every time, router
It can calculate and update the machine router to the routing table of level-1 router.
As shown in Fig. 2 after the initialization of whole route network, when sensor node sends message frame, level 2 router
Waken up from park mode, receive and come to the data frame of sensor node, router begins look for optimal path, by data frame to one
Level router transmits step by step, when the router for sending message frame within a certain period of time receives the message from next router
Dormancy will be entered after returning to response by receiving, and after response time-out, the router for sending message frame will be considered that route busy, select the
Two paths are resend.Such as：Router 1 receives the message frame of sensor node, and router 1 is by preferred optimal road
Footpath, such as Fig. 2,1 → router of router, 5 → router 4, response can be returned to router 1 after router 5 receives message frame
Frame, this route busy is thought if time-out, select 3 → router of router 1 → router, 2 → router 4 to be retransmitted.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (7)
- A kind of 1. dynamic router method based on LORA wireless communication technologys, it is characterised in that including level-1 router, two level Router, sensor node, described level-1 router and level 2 router have LORA wireless communication modules, and sensor node leads to LORA wireless communication modules are crossed to be communicated with level 2 router LORA wireless communication modules；Level-1 router and two routers it Between communicated by LORA wireless communication modules.
- A kind of 2. dynamic router method based on LORA wireless communication technologys according to claim 1, it is characterised in that Described level-1 router includes LORA wireless communication modules, processor, power supply, GSM/GPRS modules, LORA radio communication molds Block, which is used to receive, carrys out self- route networks node data, is then connected by GSM/GPRS and internet.
- A kind of 3. dynamic router method based on LORA wireless communication technologys according to claim 1, it is characterised in that Described level 2 router also includes LORA wireless communication modules, processor and power supply, and LORA wireless communication modules are used to pass The data that sense node uploads by routing algorithm upload to the Egress node of level-1 router.
- A kind of 4. dynamic router method based on LORA wireless communication technologys according to claim 1, it is characterised in that Described sensor node includes sensor and LORA wireless communication modules, and sensor is used to gather the data for needing detection object, The route network node of level 2 router is wirelessly uploaded to by LORA.
- A kind of 5. dynamic router method based on LORA wireless communication technologys according to claim 1, it is characterised in that Described processor includes digital IO I/O port, SPI communication interface, serial communication interface.
- A kind of 6. dynamic router method based on LORA wireless communication technologys according to claim 5, it is characterised in that The one-level route LORA wireless communication modules are connected by digital IO I/O port, SPI communication interface with processor, are handled Device is connected by serial ports with GSM/GPRS modules；Second grade router LORA wireless communication modules pass through digital IO I/O port, SPI Communication interface is connected with processor.
- 7. a kind of dynamic router method based on LORA wireless communication technologys according to any one of claim 1 to 6, its It is characterised by, described routing algorithm is based on the basic thought of distance vector algorithm come research and design, the detecting of adjacent node And identification, a node is added or deleted from node listing by the signal intensity of the node around detecting, and is its section Point distribution node ID, after router is changed, node ID can change with the change of router；The initialization of routing table, just Under beginning state, each router only collects directly connected routing iinformation.
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| CN109348494A (en) * | 2018-11-01 | 2019-02-15 | 中南民族大学 | It is a kind of based on can independence networking node remote local area network and its working method |
| CN111050342A (en) * | 2019-12-25 | 2020-04-21 | 深圳创维数字技术有限公司 | Wireless mesh routing antenna adjusting method, server and storage medium |
| CN111918233A (en) * | 2020-07-03 | 2020-11-10 | 西北工业大学 | Anomaly detection method suitable for wireless aviation network |
| CN112309100A (en) * | 2020-10-28 | 2021-02-02 | 广东电网有限责任公司 | Data acquisition method and device, computer equipment and storage medium |
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