CN112714440A - Communication method, system, gateway and storage medium compatible with LoRaWAN and self-research protocol - Google Patents
Communication method, system, gateway and storage medium compatible with LoRaWAN and self-research protocol Download PDFInfo
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- CN112714440A CN112714440A CN201911025353.6A CN201911025353A CN112714440A CN 112714440 A CN112714440 A CN 112714440A CN 201911025353 A CN201911025353 A CN 201911025353A CN 112714440 A CN112714440 A CN 112714440A
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- 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
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- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a communication method, a system, a gateway and a storage medium compatible with LoRaWAN and self-research protocol, wherein the method comprises the following steps: the gateway acquires a data packet uploaded by the terminal; analyzing according to the data packet to obtain a protocol type followed by the terminal; if the protocol type is LoRaWAN protocol, sending the data packet to LoRaWAN server, otherwise sending the data packet to self-research server; when the gateway acquires a data packet downlink from the server, the downlink data from the LoRaWAN server is distributed with medium priority, the downlink data from the research server is set to other priority according to data requirements, and the data packet is queued and transmitted to the corresponding terminal according to the priority.
Description
Technical Field
The invention relates to the field of LoRa communication, in particular to a communication method, a communication system, a communication gateway and a storage medium compatible with LoRaWAN and self-research protocol.
Background
Most gateways currently using LoRa technology either follow the standard LoRaWAN protocol or are additionally custom protocols. Additional custom protocols may better serve a particular product, but at the same time limit the use scenarios of the gateway.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a communication method, system, gateway and storage medium compatible with LoRaWAN and self-developed protocol, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a communication method compatible with LoRaWAN and self-research protocol, the method comprising:
the gateway acquires a data packet uploaded by the terminal;
analyzing according to the data packet to obtain a protocol type followed by the terminal;
and if the protocol type is LoRaWAN protocol, sending the data packet to a LoRaWAN server, otherwise, sending the data packet to a self-research server.
In the communication method compatible with LoRaWAN and self-research protocol according to the present invention, the method further includes:
if the protocol type followed by the terminal is analyzed to be the self-research protocol, the specific self-research protocol type followed by the terminal is further analyzed according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet, and the data is forwarded to the specific self-research server.
In the communication method compatible with LoRaWAN and self-research protocol according to the present invention, the method further includes:
if the protocol type followed by the analyzed terminal is a self-research protocol and the data packet is an access network data packet, further analyzing data characteristic information carried by the access network data packet;
and replying the channel and time used by the uplink data and the downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
In the communication method compatible with LoRaWAN and self-research protocol according to the present invention, the method further includes:
a gateway acquires a downlink data packet of a server;
distributing the downlink data from the LoRaWAN server to a medium priority;
setting downlink data from the self-research server to other priorities according to data requirements;
and queuing and sending the data packet to the corresponding terminal according to the priority.
In another aspect, the present invention further provides a gateway compatible with LoRaWAN and self-research protocol, including:
the uplink data receiving module is used for acquiring a data packet uploaded by the terminal;
the protocol type analysis module is used for analyzing the data packet to obtain a protocol type followed by the terminal;
and the data forwarding module is used for sending the data packet to the LoRaWAN server when the protocol type is analyzed to be the LoRaWAN protocol, and otherwise, sending the data packet to the self-research server.
The gateway further comprises:
the self-research protocol processing module is used for further analyzing the specific self-research protocol type followed by the terminal according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet when the protocol type followed by the terminal is analyzed to be the self-research protocol, and forwarding the data to the specific self-research server;
and the self-research terminal network access module is used for further analyzing data characteristic information carried by the network access data packet when the protocol type followed by the analyzed terminal is a self-research protocol and the data packet is a network access data packet, and replying the channel and time used by uplink and downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
The gateway also comprises a downlink control module which is used for distributing the downlink data from the LoRaWAN server with medium priority, setting the downlink data from the research server as other priorities according to the data requirement, and queuing and issuing data packets to corresponding terminals according to the priorities.
In another aspect the invention also constitutes a LoRaWAN and self-research protocol compatible gateway comprising a processor and a memory, said memory storing a computer program which, when executed by the processor, carries out the steps of the method according to any one of the preceding claims.
In another aspect of the present invention, a loran system compatible with LoRaWAN and self-research protocol is further configured, and includes a self-research terminal, LoRaWAN terminal, gateway, self-research server, and LoRaWAN server, where the gateway is used to implement communication between the self-research terminal, LoRaWAN terminal, and LoRaWAN server, and the gateway is the gateway described in any one of the foregoing.
Another aspect of the invention also constitutes a computer-readable storage medium storing a computer program which, when executed by a processor, carries out the steps of the method according to any of the preceding claims.
The communication method, the communication system, the communication gateway and the storage medium compatible with the LoRaWAN and the self-research protocol have the following beneficial effects: the gateway analyzes the data packet uploaded by the terminal to obtain the protocol type followed by the terminal, if the protocol type is LoRaWAN protocol, the data packet is sent to a LoRaWAN server, otherwise, the data packet is sent to a self-research server, so the invention can be compatible with the LoRaWAN and the self-research protocol, and the application scene of the gateway is expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
FIG. 1 is a schematic diagram of the LoRa system of the present invention;
FIG. 2 is a flow chart of data upstream of the communication method of the present invention;
fig. 3 is a flow chart of data downlink of the communication method of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The general idea of the invention is as follows: the LoRaWAN protocol is a standard protocol, and the gateway can analyze the data packet uploaded by the terminal to determine whether the protocol type followed by the terminal is the LoRaWAN protocol; and if the protocol type is LoRaWAN protocol, sending the data packet to a LoRaWAN server, otherwise, sending the data packet to a self-research server. Therefore, LoRaWAN and self-research protocol can be compatible, and the applicable scene of the gateway is expanded.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limited to the technical solutions of the present application, and the technical features of the embodiments and examples of the present invention may be combined with each other without conflict.
Referring to fig. 1, the LoRa system of the present invention includes a self-research terminal, a LoRaWAN terminal, a gateway, a self-research server, and a LoRaWAN server, where the gateway is used to implement communication between the self-research terminal, the LoRaWAN terminal, the self-research server, and the LoRaWAN server, and the gateway is a relay station for data uplink and data downlink. The invention processes the protocol distinguishing process to the data up run part on one hand, and processes the priority to the data down run on the other hand.
Referring to fig. 2, the communication method compatible with LoRaWAN and self-research protocol according to the present invention is implemented by the gateway in fig. 1, and includes:
s201, a gateway acquires a data packet uploaded by a terminal;
s202, analyzing according to the data packet to obtain a protocol type followed by the terminal;
the LoRaWAN protocol is a well-known standard protocol, so that the gateway can identify whether the terminal sending the data packet is the LoRaWAN terminal according to the definition of the LoRaWAN protocol, and if the terminal is not the LoRaWAN terminal, the terminal is necessarily a self-research terminal.
And S203, if the protocol type is LoRaWAN protocol, sending the data packet to a LoRaWAN server, otherwise, sending the data packet to a self-research server.
Theoretically, when the terminal is identified as a self-research terminal in step S202, the data packet may be sent to all self-research servers, and the self-research servers may determine whether to process the data packet after receiving the data packet. For example, there are three self-research terminals A, B, C corresponding to the three self-research servers A, B, C, assuming that the terminal a sends a packet to the gateway, the gateway does not need to specifically analyze which self-research terminal the packet belongs to, but only needs to recognize that the packet is from the self-research terminal, and then sends the packet to the self-research server A, B, C at the same time, after the self-research server A, B, C receives the packet, the server a recognizes that the packet conforms to the self-research protocol a, and processes the packet, and the other servers B, C recognize that the packet does not conform to the self-research protocol B, C, and do not process the packet.
Preferably, the gateway may also perform specific type identification on the self-research terminal that sent the data packet, and the data packet transmitted between the self-research terminal and the self-research server follows a specific verification method, an encryption method, or a channel division method (upper and lower common frequencies, upper and lower different frequencies, channel group planning, etc.), and the gateway may distinguish the private protocol data packet and the LoRaWAN protocol data packet of different manufacturers according to the specific type identification. Accordingly, the method further comprises: if the protocol type followed by the terminal is analyzed to be the self-research protocol, the specific self-research protocol type followed by the terminal is further analyzed according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet, and the data is forwarded to the specific self-research server. For example, continuing the above example, after the self-research terminal a sends the data packet based on the self-research protocol a, the gateway may identify its specific protocol type according to the verification method, the encryption method, or the channel division method of the self-research protocol a, and then only forward the data to the wane server a.
As can be seen from the above, the gateway plays a role of data forwarding, and in other embodiments, the gateway may further participate in channel allocation and the like, and preferably, the method further includes: if the analyzed protocol type followed by the terminal is a self-research protocol and the data packet is an access network data packet, further analyzing data characteristic information carried by the access network data packet, wherein the characteristic information can be, for example, period or random, data packet length, downlink real-time requirement and the like; and replying the channel and time used by the uplink data and the downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
It should be noted that the present invention does not change the uplink behavior of the terminal of the LoRaWAN, otherwise, the present invention may affect the versatility of the LoRaWAN. For the self-research protocol, data of LoRaWAN is interference, and measures such as retransmitting or monitoring a channel before transmission can be only adopted for the interference. Of course, a corresponding allocation strategy of resources such as time, channels and the like can be established for data transmission of the self-research protocol. Also for the LoRaWAN protocol, the data of the self-research protocol is also interference, because the operating mode of LoRaWAN theoretically has a risk of data collision.
Referring to fig. 3, the method of the present invention further comprises:
s301, the gateway acquires a downlink data packet of the server;
s302, distributing medium priority to downlink data from a LoRaWAN server, and setting the downlink data from a research server as other priorities according to data requirements;
and S303, queuing and transmitting the data packet to the corresponding terminal according to the priority.
If the downlink priority of the gateway is assumed to be 16: 0-15, 0 represents the highest priority, 15 represents the lowest priority, the priority of LoRaWAN can be set to 8, and the priority of data of the self-research agreement can be set to other levels according to actual needs, for example, the self-research agreement requirement is preferred to LoRaWAN, and can be set to the priority in 0-7, for example, the self-research agreement requirement is not higher than LoRaWAN, and can be set to the priority in 9-15.
That is, for the communication between the terminal following the LoRaWAN protocol and the LoRaWAN server, the gateway is similar to a general LoRaWAN gateway, and only needs to queue up the downlink packet with the self-research protocol during downlink, and follows a certain priority policy.
It can be seen that the gateway in this embodiment is compatible with the LoRaWAN protocol, and may be different from a system without the self-developed protocol only in downlink real-time.
Based on the same inventive concept, the invention also provides a gateway compatible with LoRaWAN and self-research protocol, which comprises:
the uplink data receiving module is used for acquiring a data packet uploaded by the terminal;
the protocol type analysis module is used for analyzing the data packet to obtain a protocol type followed by the terminal;
and the data forwarding module is used for sending the data packet to the LoRaWAN server when the protocol type is analyzed to be the LoRaWAN protocol, and otherwise, sending the data packet to the self-research server.
The self-research protocol processing module is used for further analyzing the specific self-research protocol type followed by the terminal according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet when the protocol type followed by the terminal is analyzed to be the self-research protocol, and forwarding the data to the specific self-research server;
and the self-research terminal network access module is used for further analyzing data characteristic information carried by the network access data packet when the protocol type followed by the analyzed terminal is a self-research protocol and the data packet is a network access data packet, and replying the channel and time used by uplink and downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
And the downlink control module is used for distributing the downlink data from the LoRaWAN server with medium priority, setting the downlink data from the research server as other priorities according to the data requirement, and queuing and issuing data packets to corresponding terminals according to the priorities.
The functions of the functional modules of the apparatus according to the embodiment of the present invention may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the description related to the foregoing method embodiment, which is not described herein again.
Based on the same inventive concept, the present invention also provides a gateway compatible with LoRaWAN and self-research protocol, comprising a processor and a memory, said memory storing a computer program, which when executed by the processor, performs the steps of the method embodiments as described above.
Based on the same invention concept, the invention also provides a LoRa system compatible with the LoRaWAN and the self-research protocol, which comprises a self-research terminal, a LoRaWAN terminal, a gateway, a self-research server and a LoRaWAN server, wherein the gateway is used for realizing the communication between the self-research terminal and the LoRaWAN terminal as well as the communication between the self-research server and the LoRaWAN server, and the gateway adopts the gateway.
Based on the same inventive concept, the present invention also provides a computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the aforementioned method embodiments.
The above description relates to various modules, and it should be noted that the above description of various modules is divided into these modules for clarity of illustration. However, in actual implementation, the boundaries of the various modules may be fuzzy. For example, any or all of the functional modules herein may share various hardware and/or software elements. Also for example, any and/or all of the functional modules herein may be implemented in whole or in part by a common processor executing software instructions. Additionally, various software sub-modules executed by one or more processors may be shared among the various software modules. Accordingly, the scope of the present invention is not limited by the mandatory boundaries between the various hardware and/or software elements, unless explicitly claimed otherwise.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A communication method compatible with LoRaWAN and self-research protocol, the method comprising:
the gateway acquires a data packet uploaded by the terminal;
analyzing according to the data packet to obtain a protocol type followed by the terminal;
and if the protocol type is LoRaWAN protocol, sending the data packet to a LoRaWAN server, otherwise, sending the data packet to a self-research server.
2. The LoRaWAN and self-research protocol compatible communication method of claim 1, wherein the method further comprises:
a gateway acquires a downlink data packet of a server;
distributing the downlink data from the LoRaWAN server to a medium priority;
setting downlink data from the self-research server to other priorities according to data requirements;
and queuing and sending the data packet to the corresponding terminal according to the priority.
3. The LoRaWAN and self-research protocol compatible communication method of claim 1, wherein the method further comprises:
if the protocol type followed by the terminal is analyzed to be the self-research protocol, the specific self-research protocol type followed by the terminal is further analyzed according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet, and the data is forwarded to the specific self-research server.
4. The LoRaWAN and self-research protocol compatible communication method of claim 1, wherein the method further comprises:
if the protocol type followed by the analyzed terminal is a self-research protocol and the data packet is an access network data packet, further analyzing data characteristic information carried by the access network data packet;
and replying the channel and time used by the uplink data and the downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
5. A gateway compatible with LoRaWAN and self-developed protocols, comprising:
the uplink data receiving module is used for acquiring a data packet uploaded by the terminal;
the protocol type analysis module is used for analyzing the data packet to obtain a protocol type followed by the terminal;
and the data forwarding module is used for sending the data packet to the LoRaWAN server when the protocol type is analyzed to be the LoRaWAN protocol, and otherwise, sending the data packet to the self-research server.
6. The LoRaWAN and self-research protocol compatible communication method of claim 5, wherein the gateway further comprises:
and the downlink control module is used for distributing the downlink data from the LoRaWAN server with medium priority, setting the downlink data from the research server as other priorities according to the data requirement, and queuing and issuing data packets to corresponding terminals according to the priorities.
7. The gateway of claim 5, further comprising:
the self-research protocol processing module is used for further analyzing the specific self-research protocol type followed by the terminal according to the specific verification mode, the encryption mode or the channel division mode followed by the data packet when the protocol type followed by the terminal is analyzed to be the self-research protocol, and forwarding the data to the specific self-research server;
and the self-research terminal network access module is used for further analyzing data characteristic information carried by the network access data packet when the protocol type followed by the analyzed terminal is a self-research protocol and the data packet is a network access data packet, and replying the channel and time used by uplink and downlink data of the terminal to the terminal according to the data characteristic information so that the terminal can transmit data with the self-research server according to the reply information of the gateway.
8. A LoRaWAN and self-research protocol compatible gateway, comprising a processor and a memory, said memory storing a computer program which, when executed by the processor, carries out the steps of the method according to any one of claims 1 to 4.
9. LoRa system compatible with LoRaWAN and self-research protocol, characterized in that it comprises self-research terminal, LoRaWAN terminal, gateway, self-research server, LoRaWAN server, said gateway is used to realize the communication between self-research terminal, LoRaWAN terminal and self-research server, LoRaWAN server, said gateway adopts the gateway according to any one of claims 5-7 or adopts the gateway according to claim 8.
10. A computer-readable storage medium, characterized in that a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1-4.
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