CN109451470A - A kind of LoRa server and its data transmission method - Google Patents
A kind of LoRa server and its data transmission method Download PDFInfo
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- CN109451470A CN109451470A CN201811610669.7A CN201811610669A CN109451470A CN 109451470 A CN109451470 A CN 109451470A CN 201811610669 A CN201811610669 A CN 201811610669A CN 109451470 A CN109451470 A CN 109451470A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of LoRa server and its data transmission method, which comprises data application server module sends the first data according to the first parameter, and receives the second data and notification message according to the second parameter;The data application server module is to third-party application platform propelling data and the subscription that gives out information, wherein the LoRa server includes LoRa network management server module and data application server module.LoRa server and its data transmission method provided by the invention can be realized the functions such as the authentication to LoRa terminal node, connection management, data encrypting and deciphering, the configuration of LoRa gateway, realize the safe and reliable transmission of user data, improve the experience of user.
Description
Technical field
The present invention relates to Lora technical field more particularly to a kind of LoRa servers and its data transmission method.
Background technique
LoRaWAN is a set of communications protocol and system architecture for the design of LoRa electric communication network.Lora communication system
System generally comprises terminal, base station, network server, this four parts of application server.Star network is used between base station and terminal
Network topology is able to due to the long range characteristic of LoRa, between them using single-hop transmission.Terminal node can be issued multiple simultaneously
Forward process is then done to the LoRaWAN protocol data between network server and terminal in base station, base station, by LoRaWAN data point
It has not been carried on LoRa radio frequency transmission and TCP/IP.
LoRa ad hoc network is the wireless access product based on LoRa/LoRaWAN technology, in specific application, is needed pair
LoRa terminal node authenticated, connection management and is configured to LoRa gateway, it is also desirable to carry out encryption reconciliation to data
It is close.How to realize these functions, facilitates user independently to construct network to generate the wireless application solution of oneself, realize user
The safe transmission of data is vital.But still lacks in current LoRa technical field and be not only able to achieve above-mentioned function, but also energy side
Just such product that user uses.
Summary of the invention
In view of the drawbacks of the prior art, the present invention proposes a kind of LoRa server and its data transmission method.By this
LoRa server can be realized the function such as the authentication to LoRa terminal node, connection management, data encrypting and deciphering, the configuration of LoRa gateway
Can, it realizes the safe and reliable transmission of user data, improves the experience of user.
According to an aspect of the present invention, the present invention provides a kind of data transmission method for LoRa server, institutes
The method of stating includes:
Data application server module sends the first data according to the first parameter, and receives the second data according to the second parameter
And notification message;
The data application server module is to third-party application platform propelling data and the subscription that gives out information, wherein institute
Stating LoRa server includes LoRa network management server module and data application server module.
According to an aspect of the present invention, first data include unicast data and multi-case data.
According to an aspect of the present invention, when first data are unicast data, first parameter includes as follows
Field: confirmed, data, devEUI, fport, reference.
According to an aspect of the present invention, when first data are multi-case data, first parameter includes as follows
Field: application ID, data, fport, retry.
According to an aspect of the present invention, second data include upstream data, and second parameter includes message hair
Parameter, data rate and message is sent to receive parameter.
According to an aspect of the present invention, the notification message includes networking notification message, acknowledgement notification message and mistake
Notification message.
According to an aspect of the present invention, if at least one terminal does not have data reporting to receive successfully, the number
According to application server module by specified retransmission data, after data retransmit, return is not connect successfully to System Reports
Receive the terminal list of multi-case data.
According to an aspect of the present invention, the LoRa network management server module and/or data application server mould
Block can be by distributed deployment to Cloud Server.
According to an aspect of the present invention, the present invention also provides a kind of LoRa server, the LoRa server includes
LoRa network management server module and data application server module, the data application server module execute above-mentioned data
Transmission method.
LoRa server and its data transmission method provided by the invention, can be realized the authentication to LoRa terminal node,
The functions such as connection management, data encrypting and deciphering, the configuration of LoRa gateway, realize the safe and reliable transmission of user data, improve user's
Experience.
By referring to the following drawings and to the detailed description of a specific embodiment of the invention, feature and advantage of the invention
It will become apparent.
Detailed description of the invention
Fig. 1 is the data transmission method flow diagram for LoRa server of the invention;
Fig. 2 and Fig. 3 is the structural schematic diagram of LoRa server of the invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 is the data transmission method flow diagram for LoRa server of the invention.As shown in Figure 1, of the invention
Provide a kind of data transmission method for LoRa server, which comprises
Data application server module sends the first data according to the first parameter, and receives the second data according to the second parameter
And notification message;
The data application server module is to third-party application platform propelling data and the subscription that gives out information, wherein institute
Stating LoRa server includes LoRa network management server module and data application server module.
Specifically, system supports that upper level applications receive data in a manner of http post or MQTT and notice disappears
Breath.LoRa network management server module is also known as Network Server, is responsible for management LoRa terminal node and LoRa net
The software module of pass.Such as Fig. 3, in order to simplify user installation and use, LoRa ad hoc network is by LoRa network management server module
It is integrated in a physical gateway equipment, operates on the high-performance embedded mainboard of Atom and (also run data on the mainboard to answer
With server module, the two software modules can also be deployed to cloud).
NS is mainly responsible for:
The connectivity management of 1.LoRa terminal node, authentication management, grouping management (supporting multicast and broadcast application) etc.;
The realization of 2.LoRaWAN agreement;
3. the integrity check that terminal user applies data;
4. the forwarding that terminal user applies data;
The configuration of 5.LoRa gateway.
The software module provides a user the graphical configuration interface UI, and user is facilitated to carry out terminal and gateway management.
It is specific how the management of being attached property, authentication management, grouping management, integrity check, gateway configuration, can use
Whether general method carries out in the communications field, for example, authenticated by password comparison, according to authenticating by deciding whether
Allow terminal node to be attached, management is grouped to terminal node by the position or application characteristic of terminal node, is passed through
The CRC check for sending message carries out integrity check etc., the present embodiment not reinflated discussion to this.
Data application server module becomes Application Server, is responsible for the encryption and decryption using data, and to the
Tripartite's application platform provides various data push services and message subscribing issuing service.User can pass through standard HTTP POST
User data is obtained with MQTT network protocol, sends user's control signaling.
Such as Fig. 3, in order to simplify user installation and use, LoRa ad hoc network will be integrated in one using data server module
In physical gateway equipment, operating on the high-performance embedded veneer host of Atom (can also be deployed to cloud).Ethernet can be passed through
Or the connection of 4G LTE network and third-party platform communicate.
When application side subscribes to message, system is given out information with following subject pattern:
application/[applicationID]/node/[devEUI]/rx
Example: following order indicates to subscribe to the end that devEUI is 373138357837820e in the application that ID is 3
The uplink message at end
mosquitto_sub-t application/3/node/373138357837820e/rx
System support sets theme in a manner of asterisk wildcard, and "+" indicates single-stage asterisk wildcard, and " # " indicates multistage asterisk wildcard.
Example: following order indicates to subscribe to the uplink message that devEUI in the application that ID is 3 is arbitrary value
mosquitto_sub-t"application/3/node/+/rx"
Example: following order indicates to subscribe to any message in the application that ID is 3
mosquitto_sub-t"application/#"
When carrying out data-pushing, system is supported by the url of the setting reception message as unit of application.
Configuration method: POST/api/applications/ { id }/integrations/http
Example: being the sample configured using curl below
Fig. 2 and Fig. 3 is the structural schematic diagram of LoRa server of the invention.As shown in Fig. 2, the LoRa server includes
LoRa network management server module and data application server module.Optionally, LoRa network management server module and/or
Data application server module can also be by distributed deployment to Cloud Server.
According to another aspect of the present invention, first data include unicast data and multi-case data.When described first
Data be unicast data when, first parameter includes following field: confirmed, data, devEUI, fport,
reference.When first data are multi-case data, first parameter includes following field: application ID,
data,fport,retry.If at least one terminal does not have data reporting to receive successfully, the data application server
Module is by specified retransmission data, and after data retransmit, return is not successfully received multi-case data to System Reports
Terminal list.
Specifically, the example of data application server module transmission unicast data is as follows:
API:post/api/nodes/{devEUI}/queue
Example: the message for needing to confirm is sent to the terminal that devEUI is 373138357837820e using curl
It is as shown in table 1 that unicast data sends parameter:
Table 1: unicast data sends parameter
Field name | Field type | Explanation |
confirmed | Boolean | Whether need to confirm |
data | string | Message content is encoded with base64 |
devEUI | HEX string | The destination node devEUI indicated with 16 binary forms |
fPort | Integer | Port numbers |
reference | string | Any banner message provided by application for confirmation |
The example that data application server module sends multi-case data is as follows:
API:post/api/multicast/multicast/{applicationID}
Example: sent using curl to No. 2 ports of the application ID all terminals for being 2 " hello ".
It is received successfully if at least one terminal is not reported, system will be retransmitted by specified number and (be retransmitted herein secondary
1) number is.This API can finally return to the list that the terminal of multi-case data is not successfully received to System Reports.
Return do not feed back multi-case data receive successful terminal list example it is as follows:
It is as shown in table 2 that multi-case data sends parameter:
Table 2: multi-case data sends parameter
According to another aspect of the present invention, second data include upstream data, and second parameter includes message
It sends parameter, data rate and message and receives parameter.The notification message includes networking notification message, acknowledgement notification message and mistake
Accidentally notification message.
It is as shown in table 3 that the message sends parameter:
Table 3: message sends parameter
Field name | Field type | Explanation |
Frequency | Integer | Send frequency |
DataRate | Object | Data rate |
ADR | Boolean | Whether enabled automatic rate is adapted to |
CodeRate | string | Encoding rate |
The data rate is as shown in table 4:
Table 4: data rate
Field name | Field type | Explanation |
modulation | string | Modulator approach, FSK or LORA |
bandwidth | Integer | Bandwidth, as unit of kHz |
spreadFactor | Integer | Spreading factor |
It is as shown in table 5 that the message receives parameter:
Table 5: message receives parameter
Field name | Field type | Explanation |
MAC | HEX string | Receive the gateway MAC of the message |
name | string | Receive the gateway name of the message |
RSSI | float | Received signal strength, unit dB |
LoRaSNR | float | Receive the signal-to-noise ratio of signal, unit dB |
Latitude | float | Gateway coordinate, latitude |
Longitude | float | Gateway coordinate, longitude |
Altitude | float | Gateway coordinate, height above sea level |
A specific message sample is given below:
Networking notification message is generated when having terminal successfully to network by OTAA, the networking notification message is as shown in table 6:
Table 6: networking notification message
Field name | Field type | Explanation |
ApplicationID | Integer | Apply Names |
ApplicationName | string | Application ID |
NodeName | string | Nodename |
DevEUI | HEX string | Node DEV-EUI |
DevAddr | HEX string | The node address distributed during networking |
Data are generated acknowledgement notification message when terminal check, the acknowledgement notification message is as shown in table 7:
Table 7: acknowledgement notification message
Field name | Field type | Explanation |
ApplicationID | Integer | Apply Names |
ApplicationName | string | Application ID |
NodeName | string | Nodename |
DevEUI | HEX string | Node DEV-EUI |
DevAddr | HE X string | The node address distributed during networking |
Reference | string | The receipt filled in when sending data |
Data generate error notification message when sending failure, for example equipment not yet networks.The error notification message such as table 8
It is shown:
Table 8: error notification message
Field name | Field type | Explanation |
ApplicationID | Integer | Apply Names |
ApplicationName | string | Application ID |
NodeName | string | Nodename |
DevEUI | HEX string | Node DEV-EUI |
DevAddr | HEX string | The node address distributed during networking |
Type | string | Type of error |
Error | String | Wrong content |
According to another aspect of the present invention, the present invention also provides a kind of LoRa server, the LoRa server packets
LoRa network management server module and data application server module are included, the data application server module is executed as above
Described data transmission method.
LoRa server and its data transmission method provided by the invention, can be realized the authentication to LoRa terminal node,
The functions such as connection management, data encrypting and deciphering, the configuration of LoRa gateway, realize the safe and reliable transmission of user data, improve user's
Experience.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (9)
1. a kind of LoRa server and its data transmission method, which is characterized in that the described method includes:
Data application server module sends the first data according to the first parameter, and receives the second data according to the second parameter and lead to
Know message;
The data application server module is to third-party application platform propelling data and the subscription that gives out information, wherein described
LoRa server includes LoRa network management server module and data application server module.
2. data transmission method according to claim 1, which is characterized in that first data include unicast data and more
Multicast data.
3. data transmission method according to claim 2, which is characterized in that when first data are unicast data,
First parameter includes following field: confirmed, data, devEUI, fport, reference.
4. data transmission method according to claim 2, which is characterized in that when first data are multi-case data,
First parameter includes following field: application ID, data, fport, retry.
5. data transmission method according to claim 1, which is characterized in that second data include upstream data, institute
Stating the second parameter includes that message sends parameter, data rate and message reception parameter.
6. data transmission method according to claim 1, which is characterized in that the notification message includes networking to notify to disappear
Breath, acknowledgement notification message and error notification message.
7. data transmission method according to claim 2, which is characterized in that if at least one terminal does not have number of reports
According to receiving successfully, then the data application server module is by specified retransmission data, and after data retransmit, return does not have
Oriented System Reports are successfully received the terminal list of multi-case data.
8. data transmission method according to claim 4, which is characterized in that the LoRa network management server module
And/or data application server module can be by distributed deployment to Cloud Server.
9. a kind of LoRa server, which is characterized in that the LoRa server includes LoRa network management server module sum number
According to application server module, the data application server module executes the method according to claim 1.
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Cited By (4)
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CN110492978A (en) * | 2019-08-13 | 2019-11-22 | 翱捷科技(深圳)有限公司 | A kind of LoRaWAN system and its implementation quickly confirmed |
CN111416746A (en) * | 2020-03-26 | 2020-07-14 | 西安电子科技大学 | CDN-based data distribution method |
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WO2020199968A1 (en) * | 2019-03-29 | 2020-10-08 | 阿里巴巴集团控股有限公司 | Multicast communication method and system for communication network, multicast application server, and terminal |
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