CN111918368A - Internet of things wireless communication networking transmission method and device and computer equipment - Google Patents
Internet of things wireless communication networking transmission method and device and computer equipment Download PDFInfo
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- H—ELECTRICITY
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- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
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Abstract
The application relates to a method and a device for transmitting wireless communication networking of the Internet of things, computer equipment and a storage medium. The method is applied to gateways, wherein the gateways are determined by terminal equipment of the internet of things based on response signal strength, and the response signal strength is the strength of a response signal generated by at least one gateway to a message request initiated by the terminal equipment of the internet of things, and the method comprises the following steps: receiving an uplink message sent by the terminal equipment of the Internet of things; unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things; acquiring configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data; and sending the downlink command to corresponding terminal equipment of the Internet of things. By adopting the method, the storm of the whole network data packet can be effectively eliminated, and the processing time delay in the whole network architecture is reduced by reducing the mode of node transfer, so that the power consumption generated by the internet of things equipment reporting data each time is effectively reduced.
Description
Technical Field
The application relates to the technical field of computers, in particular to a method and a device for transmitting wireless communication networking of the Internet of things, computer equipment and a storage medium.
Background
With the development of computer technology and the coming of the 5G era, the appearance of the Internet of things brings great convenience to modern life, and more enterprises can intelligently sense, identify and manage various devices and use processes on line by using an Internet of things platform. In the field of traditional internet of things, LPWAN (Low-Power Wide-Area Network) communication technology, that is, a Low-Power Wide Area Network, is generally adopted for data transmission, wherein Long Range Radio (LoRa) Long-distance Radio transmission is one of LPWAN communication technologies, and is a Long-distance wireless transmission technology based on a spread spectrum technology, and a simple wireless communication means capable of realizing Long distance and Low Power consumption can be provided for a user.
However, in the current wireless communication transmission mode of the internet of things, the uplink message sent by the terminal device of the internet of things can only be packetized through the uniquely registered gateway and then forwarded to the network server through the gateway, and then sent to the user data server through the network server after being unpacked at the node of the network server. The downlink message is similar to the above, and the command and other information of the user data server are transmitted to the terminal side through a gateway by the packet operation of the network server. Therefore, the whole transmission process needs to pass through a plurality of processing nodes, and the processing delay in the whole network architecture is easy to be very large, so that the power consumption of the equipment of the internet of things is very large.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a method and an apparatus for transmitting wireless communication networking of the internet of things, a computer device, and a storage medium, which can reduce power consumption of devices of the internet of things.
The method for transmitting the wireless communication networking of the Internet of things is applied to a gateway, the gateway is determined by terminal equipment of the Internet of things based on the strength of a response signal, the strength of the response signal is the strength of a response signal generated by at least one gateway to a message request initiated by the terminal equipment of the Internet of things, and the method comprises the following steps:
receiving an uplink message sent by the terminal equipment of the Internet of things;
unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
acquiring configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data;
and sending the downlink command to corresponding terminal equipment of the Internet of things.
In one embodiment, before the receiving the uplink message sent by the terminal device of the internet of things, the method further includes:
receiving a message request sent by terminal equipment of the Internet of things, and returning corresponding protocol parameters according to the message request; the protocol parameters comprise the response signal strength of the gateway; the response signal strength is used for determining a gateway to be connected by the terminal equipment of the Internet of things;
and receiving a communication request sent by the terminal equipment of the Internet of things, and establishing communication connection with the terminal equipment of the Internet of things according to the communication request.
In one embodiment, the generating manner of the configuration information includes:
acquiring configuration item information input by a user;
and calling a preset configuration template, and filling the configuration item information into a field corresponding to the preset configuration template to generate corresponding configuration information.
In one embodiment, the configuration information includes downlink signal transmission time and frequency point information of a downlink signal;
the sending the downlink command to the corresponding terminal equipment of the internet of things comprises the following steps:
and transmitting a corresponding response signal to the corresponding terminal equipment of the Internet of things according to the frequency point information according to the downlink signal transmitting time.
In one embodiment, after the sending the downlink command to the corresponding terminal device of the internet of things, the method further includes:
receiving downlink data sent by a plurality of data servers by using an MQTT protocol;
packaging the downlink data to obtain downlink messages sent by a plurality of data servers;
and sending the downlink message to corresponding terminal equipment of the Internet of things.
An internet of things wireless communication networking transmission device, the device comprising:
the receiving module is used for receiving the uplink message sent by the terminal equipment of the Internet of things;
the unpacking module is used for unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
the generating module is used for acquiring configuration information and generating a corresponding downlink command according to the configuration information and the uplink data;
and the sending module is used for sending the downlink command to the corresponding terminal equipment of the Internet of things.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
receiving an uplink message sent by the terminal equipment of the Internet of things;
unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
acquiring configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data;
and sending the downlink command to corresponding terminal equipment of the Internet of things.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving an uplink message sent by the terminal equipment of the Internet of things;
unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
acquiring configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data;
and sending the downlink command to corresponding terminal equipment of the Internet of things.
An Internet of things wireless communication networking transmission method is applied to terminal equipment of the Internet of things, and comprises the following steps:
a broadcast message request;
receiving the response signal strength of at least one gateway to the message request;
determining a target gateway from the at least one gateway according to the response signal strength;
sending a communication request to the target gateway, and establishing communication connection with the target gateway according to the communication request;
sending an uplink message to the target gateway;
and receiving a downlink command returned by the target gateway, wherein the downlink command is generated according to the uplink message and the configuration information.
In one embodiment, after the receiving the response signal strength of the at least one gateway device to the message request, the method further comprises:
acquiring the receiving time of each response signal intensity;
screening to obtain the response signal intensity of the receiving moment within a preset time range;
the determining a target gateway from the at least one gateway according to the response signal strength includes:
and determining a target gateway from the at least one gateway according to the response signal strength of the receiving moment in a preset time range.
An internet of things wireless communication networking transmission device, the device comprising:
a broadcast module for broadcasting a message request;
a receiving module, configured to receive a response signal strength of the at least one gateway to the message request;
a determining module, configured to determine a target gateway from the at least one gateway according to the response signal strength;
the establishing module is used for sending a communication request to the target gateway and establishing communication connection with the target gateway according to the communication request;
a sending module, configured to send an uplink message to the target gateway;
the receiving module is further configured to receive a downlink command returned by the target gateway, where the downlink command is generated according to the uplink message and the configuration information.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
a broadcast message request;
receiving the response signal strength of at least one gateway to the message request;
determining a target gateway from the at least one gateway according to the response signal strength;
sending a communication request to the target gateway, and establishing communication connection with the target gateway according to the communication request;
sending an uplink message to the target gateway;
and receiving a downlink command returned by the target gateway, wherein the downlink command is generated according to the uplink message and the configuration information.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
a broadcast message request;
receiving the response signal strength of at least one gateway to the message request;
determining a target gateway from the at least one gateway according to the response signal strength;
sending a communication request to the target gateway, and establishing communication connection with the target gateway according to the communication request;
sending an uplink message to the target gateway;
and receiving a downlink command returned by the target gateway, wherein the downlink command is generated according to the uplink message and the configuration information.
According to the internet of things wireless communication networking transmission method and device, the computer equipment and the storage medium, the uplink message sent by the internet of things terminal equipment is received, and the uplink message is unpacked compared with the traditional internet of things wireless communication transmission mode, so that the uplink data sent by the internet of things terminal equipment is obtained. And acquiring configuration information, generating a corresponding downlink command according to the configuration information and the uplink data, and sending the downlink command to the corresponding terminal equipment of the Internet of things. Therefore, under a remote wireless transmission technology network system based on the spread spectrum technology, the gateway unpacks the uplink message by receiving the uplink message sent by the terminal equipment of the Internet of things, and obtains the uplink data sent by the terminal equipment of the Internet of things. Meanwhile, the gateway can acquire locally corresponding configuration information, automatically generate a corresponding downlink command according to the configuration information and uplink data, and send the downlink command to the corresponding Internet of things terminal equipment, so that the automatic offline configuration function of the gateway and the autonomous control processing of the gateway can be realized, the processing of the network server node is not needed, the storm of the whole network data packet can be eliminated, the processing time delay in the whole network architecture is further reduced, namely the time delay is reduced by reducing the mode of node transfer, the power consumption generated by the Internet of things equipment reporting data at each time is effectively reduced, and the service life of the Internet of things equipment battery is prolonged.
Drawings
Fig. 1 is an application environment diagram of a transmission method of an internet of things wireless communication networking in an embodiment;
fig. 2 is a schematic flow chart of a transmission method of an internet of things wireless communication networking in an embodiment;
fig. 3 is a schematic flow chart illustrating a step of sending downlink data to a corresponding terminal device of the internet of things in one embodiment;
fig. 4 is a schematic flow chart of a transmission method of the wireless communication networking of the internet of things in another embodiment;
fig. 5 is a block diagram of a transmission device of an internet of things wireless communication networking in one embodiment;
fig. 6 is a block diagram of a transmission device of an internet of things wireless communication networking in another embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The transmission method for the wireless communication networking of the internet of things can be applied to the application environment shown in fig. 1. The terminal device 102 of the internet of things communicates with the gateway 104 through a network. The gateway 104 is a gateway determined by the terminal device 102 of the internet of things based on the strength of a response signal generated by at least one gateway for a message request initiated by the terminal device 102 of the internet of things. The gateway 104 receives the uplink message sent by the internet of things terminal device 102, the gateway 104 unpacks the uplink message to obtain uplink data sent by the internet of things terminal device 102, the gateway 104 obtains configuration information, the gateway 104 generates a corresponding downlink command according to the configuration information and the uplink data, and the gateway 104 sends the downlink command to the corresponding internet of things terminal device 102. The internet of things terminal device 102 may be, but is not limited to, various types of sensors, smart home devices, smart transportation devices, smart medical devices, portable wearable devices, and the like, and the gateway 104 may be implemented by an independent gateway or a gateway cluster formed by a plurality of gateways.
In an embodiment, as shown in fig. 2, a transmission method for wireless communication networking of the internet of things is provided, which is described by taking the method as an example applied to a gateway in fig. 1, where the gateway is a gateway determined by a terminal device of the internet of things based on a strength of a response signal, and the strength of the response signal is a strength of a response signal generated by at least one gateway for a message request initiated by the terminal device of the internet of things, and the method includes the following steps:
The terminal equipment of the Internet of things can communicate with the gateway through a network and keep an online state through network communication connection. For example, different types of terminal devices of the internet of things can be transmitted by using a stable network of an operator after being connected to a wireless network or a local area network. The internet of things devices are generally deployed in a scattered manner, and have different requirements on communication networks, particularly cellular communication networks based on authorized frequency bands. The cellular communication network based on the licensed frequency band may include different cellular network communication systems such as 2G, 3G, 4G, 5G, NB-IoT. The terminal device of the internet of things can comprise various types of entity devices such as communication devices, sensors and actuators in the internet of things. The Gateway (Gateway) is also called an internetwork connector and a protocol converter. The gateway realizes network interconnection above a network layer, is a complex network interconnection device and is only used for interconnection of two networks with different high-level protocols. The gateway can be used for interconnection of both wide area networks and local area networks. A gateway is a computer system or device that acts as a switch-operative. The internet of things is an information carrier such as the internet and a traditional telecommunication network, and all common objects capable of performing independent functions are enabled to realize an interconnected network. The Internet of things platform can provide real-time panoramic monitoring for all Internet of things devices on the platform, including panoramic monitoring of device temperature, humidity, on-off state and the like, and can also be used for issuing operation aiming at a certain classification, grouping or aiming at a single device in batches, and enterprise tenants can intelligently sense, recognize and manage various devices and use processes on line by using the Internet of things platform. Different enterprise tenants can perform real-time statistical analysis on the equipment monitoring conditions in different scenes through the Internet of things platform, visually display analysis results, and intuitively and comprehensively control the operation conditions of all access equipment on the platform.
In the field of internet of things at present, a Low-Power Wide-area network (LPWAN) communication technology, that is, a Low-Power Wide area network (ww an) is generally adopted for data transmission, where long range Radio (LoRa) long-distance Radio transmission is one of LPWAN communication technologies, and is a long-distance wireless transmission technology based on a spread spectrum technology, and a simple wireless communication means capable of realizing long distance and Low Power consumption can be provided for a user. LoRaWAN (Long Range Area Network) is a low power consumption Wide Area Network specification, and the LoRaWAN standard specifies that LoRaWAN terminal equipment can only register one gateway. LoRaWAN terminal equipment mainly runs a LoRaWAN protocol, a LoRa radio frequency module is arranged in the LoRaWAN terminal equipment, and the LoRaWAN terminal equipment is a sensor capable of communicating with a LoRaWAN server. The LoRaWAN gateway serves as a wireless communication base station, provides a LoRa wireless access and IP (Internet Protocol) backhaul communication architecture, and can provide a channel for transmitting radio frequency signals between the terminal equipment of the Internet of things and a network server. Specifically, when newly accessed internet of things terminal equipment needs to report real-time monitoring data, the internet of things terminal equipment can broadcast a message request, and after the message request is sent in a display mode of a radio frequency frame, a plurality of gateways return corresponding response signals according to the message request of the internet of things terminal equipment after receiving the radio frequency signals. In response time, the terminal device of the internet of things can determine that one gateway is the target gateway according to the strength of the response signals returned by the plurality of gateways, namely, the terminal device of the internet of things can send corresponding communication connection completing information to the corresponding target gateway. When the target gateway receives the message of completing the communication connection returned by the terminal equipment of the internet of things, the target gateway can perform data transmission with the equipment of the internet of things, namely the equipment of the internet of things is connected to a specific gateway by using single-hop wireless communication. The response Signal is a feedback Signal transmitted in order to respond to a radio frequency Signal transmitted by the terminal device of the internet of things, the response Signal Strength is a Signal Strength indication Received by an RSSI (Received Signal Strength Indicator), and the selectable part of the wireless transmission layer is used for judging the link quality and whether to increase the broadcast transmission Strength. After the gateway establishes communication connection with the internet of things equipment, the gateway can receive uplink messages sent by the internet of things terminal equipment. The uplink message is sent by the terminal device and forwarded to the network server by one or more gateways. The uplink message uses an explicit mode of the LoRa radio frame, that is, the message includes an LoRa physical layer header (PHDR), a header CRC (PHDR _ CRC), and a message content, and integrity check of the payload is guaranteed by the CRC. The PHDR, PHDR _ CRC and CRC fields of the payload are embedded through a radio frequency transceiver (transceiver). The uplink message may include a data reporting message, a feedback message, and a data output message after executing a corresponding action according to the downlink command, which are sent by the terminal device of the internet of things.
And 204, unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things.
After the gateway receives the uplink message sent by the terminal equipment of the internet of things, the gateway can unpack the uplink message to obtain the uplink data sent by the terminal equipment of the internet of things. In the field of the traditional internet of things, the main functions of the standard gateway include a radio frequency demodulation function and a UDP (User Datagram Protocol) sending function, configuration information and the like of the standard LoRaWAN gateway need to be issued from the LoRaWAN network server, and the standard gateway serves as a transparent bridge for relaying messages between the terminal device and the LoRaWAN network server. The gateway in the scheme has the functions of the standard gateway, and is additionally provided with the functions of unpacking and packing. Specifically, a local LoRaWAN protocol packet and an unpacking function may be configured in each independent gateway in advance, and various common downlink configuration item information, such as downlink transmission timing, frequency point information, and the like, may be predefined, so as to obtain an enhancement of the LoRaWAN gateway having the packetizing and unpacking functions. Further, when the gateway receives an uplink message sent from the internet of things to the networking terminal device, the gateway can unpack the uplink message according to the local LoRaWAN protocol to obtain corresponding uplink data sent by the internet of things terminal device. The data in one uplink packet or downlink packet may include information such as a terminal device identifier, i.e., an ID of the terminal device, a sequence number of the data packet, an uplink message confirmation mode, and an encryption load of the user. For example, when the gateway receives an uplink message sent from an internet of things to a networking terminal device, the gateway may unpack the uplink message according to a local protocol, and obtain a message confirmation mode corresponding to the internet of things device after unpacking, that is, whether a reply confirmation is required, where the message confirmation mode may include a non-confirmation packet and a confirmation packet. When the gateway unpacks the uplink message according to the local protocol to obtain that the data packet is a non-acknowledgement packet, the gateway does not need to return a corresponding acknowledgement message and waits for receiving data transmitted by the terminal equipment of the internet of things. When the gateway unpacks the uplink message according to the local protocol to obtain that the data packet is a confirmation packet, the gateway needs to return a corresponding confirmation message according to the unpacked information.
And step 206, acquiring the configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data.
After the gateway unpacks the uplink message to obtain the uplink data sent by the terminal device of the internet of things, the gateway can obtain local relevant configuration information and automatically generate a corresponding downlink command according to the configuration information and the unpacked uplink data. The configuration information may be various downlink configuration item information predefined in advance according to user requirements, and the relevant configuration item information may include information such as downlink transmission opportunity, frequency point, and the like. The gateway can acquire local predefined configuration information, and automatically generate a corresponding downlink command according to the autonomous operation processing capability of the uplink data superposition gateway, which is currently acquired and sent by the terminal equipment of the internet of things. The downlink command may include corresponding frequency point information and a sending time of the downlink command.
And step 208, sending the downlink command to the corresponding terminal equipment of the internet of things.
The gateway obtains the configuration information, and after generating a corresponding downlink command according to the configuration information and the uplink data, the gateway can send the downlink command to the corresponding terminal device of the internet of things according to the frequency point information in the downlink command and the transmission time of the downlink signal. For example, the gateway automatically generates a corresponding downlink command according to the local configuration information and the uplink data by acquiring the local configuration information. The frequency point information contained in the downlink hit is 50Hz, the transmission time of the downlink signal is delayed by 60s and then transmitted, and after the gateway delays 60s according to the transmission time of the downlink signal, the gateway transmits the corresponding downlink signal to the terminal equipment of the internet of things according to the frequency point information of 50Hz, namely, the gateway transmits the downlink command to the corresponding terminal equipment of the internet of things.
In the field of traditional internet of things, after uplink messages are sent to a gateway by terminal equipment of the internet of things, the uplink messages are packaged into IP packets through the gateway and then sent to a network server by the gateway for unpacking and processing. Meanwhile, information such as downlink commands and the like also need to be subjected to packet processing by the network server and then transparently transmitted to the terminal equipment side by the gateway. The network server needs to unpack and process the uplink message sent by each terminal device of the internet of things, so that a storm of a whole network data packet is easily generated, and meanwhile, the whole transmission process needs to pass through a plurality of processing nodes, so that the processing delay in the whole network architecture is very large, and the power consumption of the terminal device of the internet of things is very large.
In this embodiment, by receiving the uplink message sent by the terminal device of the internet of things, the uplink message is unpacked in comparison with a traditional wireless communication transmission mode of the internet of things, so as to obtain uplink data sent by the terminal device of the internet of things. And acquiring configuration information, generating a corresponding downlink command according to the configuration information and the uplink data, and sending the downlink command to the corresponding terminal equipment of the Internet of things. Therefore, under a remote wireless transmission technology network system based on the spread spectrum technology, the gateway unpacks the uplink message by receiving the uplink message sent by the terminal equipment of the Internet of things, and obtains the uplink data sent by the terminal equipment of the Internet of things. Meanwhile, the gateway can acquire locally corresponding configuration information, automatically generate a corresponding downlink command according to the configuration information and uplink data, and send the downlink command to the corresponding Internet of things terminal equipment, so that the automatic offline configuration function of the gateway and the autonomous control processing of the gateway can be realized, the processing of the network server node is not needed, the storm of the whole network data packet can be eliminated, the processing time delay in the whole network architecture is further reduced, namely the time delay is reduced by reducing the mode of node transfer, the power consumption generated by the Internet of things equipment reporting data at each time is effectively reduced, and the service life of the Internet of things equipment battery is prolonged.
In one embodiment, before receiving an uplink message sent by an internet of things terminal device, the method further includes a step of establishing a communication connection with the internet of things terminal device according to the communication request, and specifically includes:
receiving a message request sent by the terminal equipment of the Internet of things, and returning corresponding protocol parameters according to the message request, wherein the protocol parameters comprise the response signal strength of the gateway, and the response signal strength is used for the terminal equipment of the Internet of things to determine the gateway to be connected.
And receiving a communication request sent by the terminal equipment of the Internet of things, and establishing communication connection with the terminal equipment of the Internet of things according to the communication request.
Before the gateway receives the uplink message sent by the terminal equipment of the internet of things, when newly accessed terminal equipment of the internet of things needs to report the data monitored in real time, the terminal equipment of the internet of things can broadcast the message request, so that a plurality of gateways can receive the message request sent by the terminal equipment of the internet of things, and each gateway equipment can return corresponding protocol parameters according to the message request, wherein the protocol parameters comprise the response signal strength of the gateway, and the response signal strength is used for the terminal equipment of the internet of things to determine the gateway to be connected. Since the LoRaWAN standard specifies that the terminal device can only register one gateway, the terminal device of the internet of things needs to select a target gateway to be connected from a plurality of gateways that return response signals. When one gateway receives a communication request sent by the terminal equipment of the internet of things, the gateway can establish communication connection with the terminal equipment of the internet of things according to the communication request to perform data transmission. In addition, when the target gateway cannot respond to the message sent by the terminal device of the internet of things, that is, when the target gateway may have a fault, the device of the internet of things may rebroadcast the message request and redetermine the target gateway to be connected. Therefore, the internet of things terminal equipment can be in communication connection with different gateways, unpacking and packing operations can be realized through independent operation of the gateways, centralized processing of network server nodes is not needed, the whole network data packet storm is effectively eliminated, and processing time delay on the whole network architecture is reduced.
In one embodiment, the step of configuring the information generation manner includes:
and acquiring configuration item information input by a user.
And calling a preset configuration template, and filling the configuration item information into a field corresponding to the preset configuration template to generate corresponding configuration information.
When the gateway receives the uplink message sent by the terminal equipment of the internet of things, unpacks the uplink message to obtain the uplink data sent by the terminal equipment of the internet of things, the gateway can obtain the local corresponding configuration information, and automatically generate the corresponding downlink command according to the configuration information and the unpacked uplink data. Specifically, the gateway may obtain the configuration item information input by the user in advance, call the preset configuration template, and fill the configuration item information into the field corresponding to the preset configuration template to generate the corresponding configuration information. The gateway locally stores configuration item information input by a user aiming at different Internet of things devices, and can acquire the corresponding configuration item information input by the user according to a terminal identifier corresponding to the Internet of things terminal device, wherein the configuration item information can include information such as downlink signal transmitting opportunity, frequency point and the like. For example, the gateway obtains the corresponding configuration item information as a frequency point 50Hz according to the terminal identifier of the terminal device of the internet of things, and the downlink signal is transmitted immediately when being transmitted. And the gateway calls a preset configuration template, fills the configuration item information into a field corresponding to the preset configuration template, and generates configuration information corresponding to the terminal identifier of the Internet of things equipment. Therefore, the gateway can unpack the uplink message sent by the terminal equipment of the Internet of things, can independently process the uplink message according to the local configuration information, automatically generates the corresponding downlink command, does not need to be transmitted to the network server for unpacking and processing, greatly shortens the configuration period, and effectively reduces the processing delay in the whole network architecture.
In one embodiment, the configuration information includes the transmission time of the downlink signal and the frequency point information of the downlink signal. Specifically, after the gateway receives the uplink message sent by the terminal device of the internet of things and unpacks the uplink message to obtain the uplink data sent by the terminal device of the internet of things, the gateway can obtain the locally corresponding configuration information according to the terminal identifier of the terminal device of the internet of things, and further, the gateway can superimpose the locally corresponding configuration information of the gateway according to the currently collected uplink data and generate the corresponding downlink command through autonomous operation of the gateway. The downlink command may include corresponding frequency point information and downlink signal transmission timing. For example, the gateway superimposes corresponding configuration information in the gateway local according to the currently acquired uplink data, and generates a corresponding downlink command through autonomous operation of the gateway, where the downlink command includes frequency point information of 50Hz, and the downlink signal is transmitted after being delayed by 10s, and then the gateway transmits a corresponding downlink signal to the terminal device of the internet of things according to the frequency point information of 50Hz after being delayed by 10s according to the transmission timing of the downlink signal, that is, the gateway transmits the downlink command to the corresponding terminal device of the internet of things. The transmission time of the downlink command is automatically sequenced by the gateway according to the currently processed terminal identifiers of the plurality of internet of things terminal devices, and corresponding downlink signal transmission time is generated, for example, uplink messages sent by two internet of things terminal devices processed by the gateway at the same time need to immediately return corresponding confirmation signals, the gateway can sequence according to the terminal identifiers of the internet of things terminal devices, and the downlink signal transmission time corresponding to a second internet of things terminal device can be delayed by 3 s. Therefore, the gateway does not need to interact with other nodes, namely, the gateway does not need to transmit the uplink message to the network server for processing, autonomous control and processing can be realized, and further, the processing time delay in the whole network architecture is reduced, so that the power consumption generated when the internet of things equipment reports data every time is effectively reduced.
In one embodiment, as shown in fig. 3, the step of sending the downlink data to the corresponding terminal device of the internet of things includes:
and step 302, receiving downlink data sent by a plurality of data servers by using an MQTT protocol.
And step 304, packaging the downlink data to obtain downlink messages sent by a plurality of data servers.
And step 306, sending the downlink message to the corresponding terminal equipment of the internet of things.
After the gateway sends the downlink command to the corresponding terminal device of the internet of things, the gateway can also receive downlink data sent by a plurality of data servers by using the MQTT protocol. That is, when the user data server has a temporary and sudden downlink communication demand, the user data server may send downlink information to a plurality of gateway nodes by using the MQTT protocol. And the gateway packages the received downlink data to obtain downlink messages sent by the plurality of data servers, and sends the downlink messages to the corresponding terminal equipment of the Internet of things according to the local protocol. MQ telemetry transport (MQTT) is a lightweight proxy publish/subscribe-based message transport protocol that provides one-to-many message publishing and application decoupling using a publish/subscribe message model. The communication protocol of the MQTT can improve the original 1:1 single-point communication mechanism into a 1: M communication mode. I.e. the same message body can inform multiple gateways at the same time. Thereby enabling the user data server node to communicate with the user data server node via 1: the communication mechanism of M increases network redundancy and reduces packet loss rate, thereby effectively improving the reliability of the downlink wireless network.
In an embodiment, as shown in fig. 4, a method for transmitting wireless communication networking of the internet of things is provided, which is described by taking the method as an example when the method is applied to the terminal device of the internet of things in fig. 1, and includes the following steps:
And step 408, sending a communication request to the target gateway, and establishing communication connection with the target gateway according to the communication request.
The terminal equipment of the internet of things can communicate with the gateway through a network based on the LoRa transmission technology, and the online state is kept through wireless network communication connection. Specifically, when newly accessed internet of things terminal equipment needs to report real-time monitoring data, the internet of things terminal equipment can broadcast a message request, and after the message request is sent in a display mode of radio frequency signals, after a plurality of gateways receive the radio frequency signals, each gateway can return a corresponding response signal according to the message request of the internet of things terminal equipment. After the terminal equipment of the Internet of things receives the response signals of at least one gateway to the message requests, the terminal equipment of the Internet of things determines a target gateway according to the strength of the response signals returned by each gateway in a preset response time range. The terminal equipment of the internet of things sends a communication request to the target gateway, namely when the target gateway receives the completion of the communication request returned by the terminal equipment of the internet of things, the terminal equipment of the internet of things and the target gateway establish communication connection. Since the LoRaWAN standard specifies that the terminal device can only register one gateway, the terminal device of the internet of things needs to select a gateway to be connected from a plurality of gateways that return response signals. After the internet of things terminal equipment is in communication connection with the target gateway, the internet of things terminal equipment can send uplink messages to the target gateway, the gateway can unpack the received uplink messages and automatically generate corresponding downlink commands according to the uplink parameters and the local configuration information, and the gateway sends the downlink commands to the corresponding gateway according to the downlink signal sending time, namely the internet of things terminal equipment receives the downlink commands returned by the target gateway.
In this embodiment, through the broadcast message request, compared with a traditional internet of things wireless communication transmission mode, the response signal strength of at least one gateway to the message request is received, a target gateway is determined from the at least one gateway according to the response signal strength, a communication request is sent to the target gateway, and communication connection is established with the target gateway according to the communication request. And sending an uplink message to the target gateway, and receiving a downlink command returned by the target gateway, wherein the downlink command is generated according to the uplink message and the configuration information. Therefore, under a remote wireless transmission technology network system based on a spread spectrum technology, the terminal equipment of the Internet of things is connected to one or more gateways through single-hop wireless communication, the gateways can autonomously control and process uplink messages sent by the terminal equipment of the Internet of things and return automatically generated downlink commands to the corresponding terminal equipment of the Internet of things without processing through network server nodes, the storm of the whole network data packet can be effectively eliminated, the processing time delay in the whole network architecture is further reduced, namely the time delay is reduced through a mode of reducing node transfer, the power consumption generated when the terminal equipment of the Internet of things reports data at each time is effectively reduced, and the service life of a battery of the terminal equipment of the Internet of things is prolonged.
In one embodiment, the step of determining the target gateway based on the response signal strength comprises:
the reception time of each response signal strength is acquired.
And screening to obtain the response signal intensity of the receiving moment within a preset time range.
And determining a target gateway from the at least one gateway according to the response signal strength within the preset time range at the receiving moment.
When newly accessed terminal equipment of the internet of things needs to report data monitored in real time, the terminal equipment of the internet of things can broadcast a message request, and after the message request is sent in a display mode of radio frequency signals, after a plurality of gateways receive the radio frequency signals, each gateway can return a corresponding response signal according to the message request of the terminal equipment of the internet of things. After the internet of things terminal equipment receives response signals of the plurality of gateway equipment to the message requests, the internet of things terminal equipment can acquire the receiving time of each response signal intensity, the internet of things terminal equipment screens the response signal intensity of the receiving time within a preset time range, and the internet of things terminal equipment determines a target gateway from at least one gateway according to the response signal intensity of the receiving time within the preset time range. For example, a preset response time range corresponding to a certain internet of things device is 30 s. After the terminal device of the internet of things receives response signals returned by the three gateway devices to the message request, the terminal device of the internet of things can acquire that the receiving time corresponding to the strength of each response signal is respectively a gateway 1: 26s, gateway 2: 29s and gateway 3: and if the intensity of the response signal of the internet of things terminal device in the preset time range at the receiving moment is-100 dBm and the intensity of the response signal of the gateway 2 is-108 dBm, namely the internet of things terminal device selects the gateway with the maximum intensity of the response signal in the preset time range as the target gateway, and the internet of things terminal device determines that the target gateway is the gateway 1 as the result of the fact that the intensity of the response signal of the internet of things terminal device in the preset time range is-100 dBm and the intensity of the response signal of the gateway 2 in the preset time range is-108 dBm. Therefore, the terminal equipment of the Internet of things can be connected to the gateway with the relatively optimal wireless signal quality by using single-hop wireless communication in a broadcast message request mode, and the whole network data packet storm can be eliminated by autonomous control and processing of the gateway, so that the processing time delay in the whole network architecture is reduced.
It should be understood that although the various steps in the flow charts of fig. 1-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-4 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.
In one embodiment, as shown in fig. 5, there is provided an internet of things wireless communication networking transmission device, including: a receiving module 502, an unpacking module 504, a generating module 506, and a sending module 508, wherein:
a receiving module 502, configured to receive an uplink message sent by an internet of things terminal device.
And the unpacking module 504 is configured to unpack the uplink message to obtain uplink data sent by the terminal device of the internet of things.
The generating module 506 is configured to obtain the configuration information, and generate a corresponding downlink command according to the configuration information and the uplink data.
The sending module 508 is configured to send the downlink command to the corresponding internet of things terminal device.
In one embodiment, the apparatus further comprises: and establishing a module.
The receiving module is further used for receiving a message request sent by the terminal equipment of the internet of things and returning corresponding protocol parameters according to the message request, wherein the protocol parameters comprise response signal strength of the gateway, and the response signal strength is used for determining the gateway to be connected by the terminal equipment of the internet of things. The establishing module is used for receiving a communication request sent by the terminal equipment of the Internet of things and establishing communication connection with the terminal equipment of the Internet of things according to the communication request.
In one embodiment, the apparatus further comprises: and an acquisition module.
The acquisition module is used for acquiring the configuration item information input by the user. The generating module is further used for calling a preset configuration template, filling the configuration item information into a field corresponding to the preset configuration template, and generating corresponding configuration information.
In one embodiment, the apparatus further comprises: and a transmitting module.
And the transmitting module is used for transmitting a corresponding response signal to the corresponding terminal equipment of the Internet of things according to the downlink signal transmitting time and the frequency point information.
In one embodiment, the apparatus further comprises: and (5) packaging the module.
The receiving module is also used for receiving downlink data sent by a plurality of data servers by using an MQTT protocol. The packaging module is used for packaging the downlink data to obtain downlink messages sent by the plurality of data servers. The sending module is further used for sending the downlink message to the corresponding terminal equipment of the internet of things.
In one embodiment, as shown in fig. 6, there is provided an internet of things wireless communication networking transmission device, including: a broadcast module 602, a receive module 604, a determination module 606, a setup module 608, and a transmit module 610, wherein:
a broadcast module 602 for broadcasting a message request.
A receiving module 604, configured to receive a response signal strength of the message request from at least one gateway.
A determining module 606, configured to determine a target gateway from the at least one gateway according to the response signal strength.
The establishing module 608 is configured to send a communication request to the target gateway, and establish a communication connection with the target gateway according to the communication request.
A sending module 610, configured to send the uplink message to the target gateway.
The receiving module 604 is further configured to receive a downlink command returned by the target gateway, where the downlink command is generated according to the uplink message and the configuration information.
In one embodiment, the apparatus further comprises: and a screening module.
The screening module is used for obtaining the receiving time of each response signal intensity, and screening to obtain the response signal intensity of the receiving time within a preset time range. The determining module is further used for determining a target gateway from the at least one gateway according to the response signal strength of the receiving moment within the preset time range.
For specific limitations of the transmission device for wireless communication networking of the internet of things, reference may be made to the above limitations on the transmission method for wireless communication networking of the internet of things, which are not described herein again. All modules in the wireless communication networking transmission device for the Internet of things can be completely or partially realized through software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 7. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by a processor to realize a wireless communication networking transmission method of the Internet of things. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the steps of the above-described method embodiments being implemented when the computer program is executed by the processor.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. The method for networking the wireless communication of the Internet of things is applied to a gateway, the gateway is determined by terminal equipment of the Internet of things based on the strength of a response signal, and the strength of the response signal is the strength of a response signal generated by at least one gateway to a message request initiated by the terminal equipment of the Internet of things, and the method comprises the following steps:
receiving an uplink message sent by the terminal equipment of the Internet of things;
unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
acquiring configuration information, and generating a corresponding downlink command according to the configuration information and the uplink data;
and sending the downlink command to corresponding terminal equipment of the Internet of things.
2. The method according to claim 1, wherein before the receiving the uplink message sent by the terminal device of the internet of things, the method further comprises:
receiving a message request sent by terminal equipment of the Internet of things, and returning corresponding protocol parameters according to the message request; the protocol parameters comprise the response signal strength of the gateway; the response signal strength is used for determining a gateway to be connected by the terminal equipment of the Internet of things;
and receiving a communication request sent by the terminal equipment of the Internet of things, and establishing communication connection with the terminal equipment of the Internet of things according to the communication request.
3. The method of claim 1, wherein the manner of generating the configuration information comprises:
acquiring configuration item information input by a user;
and calling a preset configuration template, and filling the configuration item information into a field corresponding to the preset configuration template to generate corresponding configuration information.
4. The method of claim 3,
the configuration information comprises downlink signal transmitting time and frequency point information of downlink signals;
the sending the downlink command to the corresponding terminal equipment of the internet of things comprises the following steps:
and transmitting a corresponding response signal to the corresponding terminal equipment of the Internet of things according to the frequency point information according to the downlink signal transmitting time.
5. The method of claim 1, wherein after sending the downlink command to the corresponding terminal device of the internet of things, the method further comprises:
receiving downlink data sent by a plurality of data servers by using an MQTT protocol;
packaging the downlink data to obtain downlink messages sent by a plurality of data servers;
and sending the downlink message to corresponding terminal equipment of the Internet of things.
6. The wireless communication networking transmission method for the Internet of things is applied to terminal equipment of the Internet of things, and comprises the following steps:
a broadcast message request;
receiving the response signal strength of at least one gateway to the message request;
determining a target gateway from the at least one gateway according to the response signal strength;
sending a communication request to the target gateway, and establishing communication connection with the target gateway according to the communication request;
sending an uplink message to the target gateway;
and receiving a downlink command returned by the target gateway, wherein the downlink command is generated according to the uplink message and the configuration information.
7. The method of claim 6, wherein after said receiving the response signal strength of the at least one gateway device to the message request, the method further comprises:
acquiring the receiving time of each response signal intensity;
screening to obtain the response signal intensity of the receiving moment within a preset time range;
the determining a target gateway from the at least one gateway according to the response signal strength includes:
and determining a target gateway from the at least one gateway according to the response signal strength of the receiving moment in a preset time range.
8. The utility model provides an thing networking wireless communication networking transmission device which characterized in that, the device includes:
the receiving module is used for receiving the uplink message sent by the terminal equipment of the Internet of things;
the unpacking module is used for unpacking the uplink message to obtain uplink data sent by the terminal equipment of the Internet of things;
the generating module is used for acquiring configuration information and generating a corresponding downlink command according to the configuration information and the uplink data;
and the sending module is used for sending the downlink command to the corresponding terminal equipment of the Internet of things.
9. The utility model provides an thing networking wireless communication networking transmission device which characterized in that, the device includes:
a broadcast module for broadcasting a message request;
a receiving module, configured to receive a response signal strength of the at least one gateway to the message request;
a determining module, configured to determine a target gateway from the at least one gateway according to the response signal strength;
the establishing module is used for sending a communication request to the target gateway and establishing communication connection with the target gateway according to the communication request;
a sending module, configured to send an uplink message to the target gateway;
the receiving module is further configured to receive a downlink command returned by the target gateway, where the downlink command is generated according to the uplink message and the configuration information.
10. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 7 when executing the computer program.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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