CN106603400B - Data transmission method and gateway based on narrowband Internet of things - Google Patents
Data transmission method and gateway based on narrowband Internet of things Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application provides a data transmission method and a gateway based on a narrowband Internet of things, wherein the method comprises the steps of judging whether first wireless communication data sent by a wireless data communication module are received or not; if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of the narrow-band Internet of things to obtain first narrow-band Internet of things data; and sending the first Internet of things data to a narrow-band Internet of things communication module so that the narrow-band Internet of things communication module sends the first Internet of things data to a narrow-band Internet of things base station. The data format of wireless communication data is converted into the data format of the narrowband Internet of things, so that the data after the data format conversion is sent to the narrowband Internet of things base station through the narrowband Internet of things communication module, the wireless communication network is combined with the narrowband Internet of things, so that the wireless communication network is added into the Internet of things, the advantages of low power consumption and wide coverage are achieved, and the service time of power supply equipment is prolonged.
Description
Technical Field
The application relates to the field of data communication, in particular to a data transmission method and a gateway based on a narrow-band Internet of things.
Background
The internet of things is an important component of a new generation of information technology, the core and the foundation of the internet of things are still the internet, and the internet of things is a network extending and expanding on the basis of the internet. The internet of things is the connection of objects, and computers, mobile phones, electrical appliances, machinery and other equipment are connected together by various network means.
There are many technologies for interconnection of internet of things devices, such as infrared and WiFi, and these wireless transmission technologies have partially solved the problem of interconnection between objects, but the communication technologies such as WiFi and infrared are limited by regions, that is, a wireless communication network is effective only in a range with a small area. For example, in an office, it is desired to control the on/off or temperature of a water heater in a home, and it is impossible to perform a control process simply by a wireless communication network because of a wide geographical span. In order to solve the above problem, it is therefore necessary to have a wireless communication network join the internet. Currently, the internet of things is combined with a General Packet Radio Service (GPRS) through a wireless communication network, so that the wireless communication network is added to the internet.
However, the conventional GPRS device uploads data at regular time, so that the problems of large current and high power consumption exist, the service time of the power supply device is shortened, and the phenomenon of data transmission interruption is easily caused.
Disclosure of Invention
The application provides a data transmission method and a gateway based on a narrowband Internet of things, which aim to solve the problems that the current wireless communication network is combined with GPRS (general packet radio service), data are uploaded by GPRS equipment at regular time, the current is large, the power consumption is high, the service time of power supply equipment is shortened, and the interruption of transmitted data is easily caused.
In a first aspect, the application provides a data transmission method based on a narrowband internet of things, including:
judging whether first wireless communication data sent by a wireless data communication module is received;
if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of a narrowband Internet of things to obtain first narrowband Internet of things data;
and sending the first Internet of things data to a narrow-band Internet of things communication module so that the narrow-band Internet of things communication module sends the first Internet of things data to a narrow-band Internet of things base station.
In a second aspect, the present application further provides a gateway based on a narrowband internet of things, including:
the wireless data communication module is used for receiving first wireless communication data sent by the wireless data receiving and sending device and transmitting the first wireless communication data to the processing module;
the processing module is used for judging whether first wireless communication data sent by the wireless data communication module is received or not;
if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of a narrow-band Internet of things to obtain first narrow-band Internet of things data;
sending the first internet of things data to a narrow-band internet of things communication module;
and the narrow-band Internet of things communication module is used for receiving first narrow-band Internet of things data and sending the first Internet of things data to the narrow-band Internet of things base station.
According to the technical scheme, the data transmission method and the gateway based on the narrow-band Internet of things can convert the data format of wireless communication data into the data format of the narrow-band Internet of things, so that the data after the data format conversion is sent to the narrow-band Internet of things base station through the narrow-band Internet of things communication module.
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In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a flowchart of a method of a data transmission method based on a narrowband internet of things according to the present application;
fig. 2 is a flowchart of another method of a data transmission method based on a narrowband internet of things according to the present application;
fig. 3 is a schematic structural diagram of an embodiment of a gateway based on a narrowband internet of things provided in the present application;
fig. 4 is a usage scenario diagram of a gateway based on a narrowband internet of things provided by the present application.
Detailed Description
Referring to fig. 1, a method flow of a data transmission method based on a narrowband internet of things is provided in the present application. A first aspect of the embodiments of the present application provides a data transmission method based on a narrowband internet of things, including:
step 11: judging whether first wireless communication data sent by a wireless data communication module is received; if the first wireless communication data sent by the wireless data communication module is received, step 12 is executed.
The wireless communication data is data transmitted in a short distance based on a wireless communication network, and the wireless communication data is at least one of infrared wireless communication data, WIFI wireless communication data, Z-WAVE wireless communication data, bluetooth wireless communication data, zigBee wireless communication data and LORA wireless communication data.
Step 12: converting the data format of the first wireless communication data into the data format of the narrowband Internet of things to obtain first narrowband Internet of things data;
step 13: and sending the first Internet of things data to a narrow-band Internet of things communication module so that the narrow-band Internet of things communication module sends the first Internet of things data to a narrow-band Internet of things base station.
Narrowband Band Internet of Things (NB-IOT) is one of many technologies of Low Power Wide Access (LPWA), which can support cellular data connection of Low Power devices in a Wide area network. The narrowband Internet of things uses 180KHz uplink and downlink bandwidth to access a network through E-UTRA, and can be directly deployed in a GSM network or an LTE network.
According to the technical scheme, the data transmission method based on the narrow-band Internet of things can convert the data format of wireless communication data into the data format of the narrow-band Internet of things, so that the data after the data format conversion is sent to the narrow-band Internet of things base station through the narrow-band Internet of things communication module.
In another embodiment, referring to fig. 2, another method flowchart of a data transmission method based on a narrowband internet of things is provided; a data transmission method based on a narrow-band Internet of things comprises the following steps:
step 201: judging whether first wireless communication data sent by a wireless data communication module is received; if first wireless communication data sent by the wireless data communication module is received, executing step 202; if the first wireless communication data sent by the wireless data communication module is not received, step 207 is executed.
The wireless communication data is data transmitted in a short distance based on a wireless communication network, and the wireless communication data is at least one of infrared wireless communication data, WIFI wireless communication data, Z-WAVE wireless communication data, bluetooth wireless communication data, zigBee wireless communication data and LORA wireless communication data.
The infrared wireless communication data is information such as language, characters, data, images and the like transmitted by using an infrared communication mode. Infrared communication is a communication channel that uses infrared rays in the near-infrared band of 950nm as a medium for transferring information. The transmitting end modulates the baseband binary signal into a series of pulse train signals, and transmits infrared signals through the infrared transmitting tube. The receiving end converts the received optical pulse into an electric signal, and the electric signal is amplified, filtered and the like and then sent to a demodulation circuit for demodulation, and the electric signal is restored into a binary digital signal and then output.
The WIFI wireless communication data base is information such as languages, characters, data and images transmitted by using a WiFi communication mode. WiFi is a short-range wireless communication technology proposed by the Wireless Ethernet Compliance Association (WECA), and can transmit radio signals within a range of 100 meters.
The Z-WAVE wireless communication data is information such as language, characters, data, images and the like transmitted by using a Z-WAVE communication mode. Z-WAVE is a short-range wireless communication technology suitable for networks. The working frequency band is 908.42MHz (USA) -868.42MHz (Europe), the data transmission rate is 9.6kbps by adopting frequency shift keying FSK (BFSK/GFSK) modulation mode, the effective coverage range of the signal is 30m indoors, and can exceed 100m outdoors.
The LORA wireless communication data is information such as language, characters, data, and images transmitted by the LORA communication method. The LORA is based on an ultra-long-distance low-power-consumption data transmission technology below 1GHz, and is a technology for combining a spectrum diffusion communication technology and a GFSK modulation technology. The LORA transmission rate is between 300 to 50kbits per second, the maximum RF output power is +20dBm, the signal receiving sensitivity is-146.5 dBm, and the transmission distance is as long as 20km.
The ZigBee wireless communication data is information such as language, characters, data, images and the like transmitted by using a ZigBee communication mode. ZigBee is a short-range wireless communication technology of IEEE 802.15.4 protocol, and the name is derived from the eight characters dance of bees, and bees transmit the orientation information of pollen with partners by means of the dance of flying and waving fluttering wings, that is, bees form a communication network in a group in such a way. The ZigBee is suitable for a short-distance wireless networking communication technology with low power consumption.
Bluetooth is a radio technology that supports short-range communication of devices, enabling wireless information exchange between numerous devices including mobile phones, PDAs, wireless headsets, notebook computers, related peripherals, and the like. By using the Bluetooth technology, the communication between the mobile communication terminal devices can be effectively simplified. Bluetooth adopts a distributed network structure and a fast frequency hopping and short packet technology to support point-to-point and point-to-multipoint communication, and the data rate is 1Mbps.
Step 202: each data group within each data packet of the first wireless communication data is verified.
The wireless communication data can comprise a plurality of data packets, each data packet comprises a plurality of data groups, all the data groups of each data packet can be transmitted for multiple times, namely, only one or more data groups in one data packet are transmitted during each transmission, and the data groups in each data packet can be checked after all the data packets are received; it is also possible to check the received data set upon receiving one or several data sets transmitted at a time.
Data check is a check value calculated for the original data using a specified algorithm to ensure the integrity of the data. The receiver calculates a check value using the same algorithm, and if the check value is the same as the check value provided with the data, the data is complete.
The common data checking method is CRC cyclic redundancy checking and the like, the CRC cyclic redundancy checking is to xor each data bit of a data group with a designated initial value (usually 0) once, the final result is a check value, usually the check value is attached to the data group and sent out through a wireless data communication module, after the processing module receives the data group, the processing module performs xor operation on each data of the received data group with the designated initial value to obtain the check value, and if the check value is consistent with the received check value, the data group is complete.
Step 203: judging whether the first wireless communication data is complete or not according to the checking result; if the first wireless communication data is complete, step 204 is performed.
Each data group of each data packet of the first wireless communication data is complete, which means that the first wireless communication data group is complete.
Step 204: and decoding the first wireless communication data according to a wireless communication network decoding rule.
The wireless communication network refers to at least one of an infrared wireless communication network, a WiFi wireless communication network, a Z-WAVE wireless communication network, an LORA wireless communication network, a Bluetooth wireless communication network and a ZigBee wireless communication network. Each wireless communication network corresponds to different wireless communication protocols, and the different wireless communication protocols have different decoding rules, so that the corresponding decoding rules can be preset corresponding to the type of the first wireless communication data.
Step 205: and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
The narrowband internet of things coding rule can be preset.
Step 206: and sending the first Internet of things data to a narrow-band Internet of things communication module so that the narrow-band Internet of things communication module sends the first Internet of things data to a narrow-band Internet of things base station.
Step 207: judging whether second narrowband Internet of things data sent by the narrowband Internet of things communication module is received; and if the second narrowband internet of things data sent by the narrowband internet of things communication module is received, executing step 208.
Step 208: and checking each data group in each data packet of the second narrowband Internet of things data.
The narrow-band Internet of things data can comprise a plurality of data packets, each data packet comprises a plurality of data groups, all the data groups of each data packet can be transmitted for multiple times, namely, only one or a plurality of data groups in one data packet are transmitted during each transmission, and the data groups in each data packet can be checked after all the data packets are received; it is also possible to check the received data set upon receiving one or several data sets transmitted at a time.
Data check is a check value calculated for original data by a specified algorithm to ensure the integrity of the data. The receiver calculates a check value using the same algorithm, and if the check value is the same as the check value provided with the data, the data is complete.
Step 209: judging whether the second narrowband Internet of things data is complete or not according to the checking result; if the second narrowband internet of things data is complete, step 210 is executed.
Each data group of each data packet of the second narrowband internet of things data is complete, and only the first wireless communication data group is complete.
Step 210: and decoding the second narrowband Internet of things data according to a narrowband Internet of things decoding rule.
The narrowband internet of things decoding rule can be preset.
Step 211: and coding the decoded second narrowband Internet of things data according to a wireless communication network coding rule to obtain second wireless communication data.
The wireless communication network refers to at least one of an infrared wireless communication network, a WiFi wireless communication network, a Z-WAVE wireless communication network, an LORA wireless communication network, a Bluetooth wireless communication network and a ZigBee wireless communication network. Each wireless communication network corresponds to different wireless communication protocols, and the different wireless communication protocols have different coding rules, so that the corresponding coding rules can be preset corresponding to the type of the decoded second narrowband internet of things data.
Step 212: and transmitting the second wireless communication data to a wireless data communication module so that the wireless data communication module transmits the second wireless communication data to a wireless data transceiver.
According to the technical scheme, the data transmission method based on the narrowband Internet of things can convert the data format of wireless communication data into the data format of the narrowband Internet of things, so that the data after the data format conversion is sent to the narrowband Internet of things base station through the narrowband Internet of things communication module.
In a second aspect of the embodiments of the present application, referring to fig. 3 and fig. 4, there is provided a gateway based on a narrowband internet of things, including:
a wireless data communication module 31, configured to receive the first wireless communication data sent by the wireless data transceiver 34, and transmit the first wireless communication data to the processing module 32;
the processing module 32 is configured to determine whether first wireless communication data sent by the wireless data communication module 32 is received;
if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of a narrow-band Internet of things to obtain first narrow-band Internet of things data;
sending the first internet of things data to a narrow-band internet of things communication module;
the narrowband internet of things communication module 33 is configured to receive first narrowband internet of things data and send the first internet of things data to the narrowband internet of things base station 35.
Preferably, the narrowband internet of things communication module 33 is further configured to receive second narrowband internet of things data sent by the narrowband internet of things base station 35, and transmit the second narrowband internet of things data to the processing module;
the processing module 32 is further configured to determine whether second narrowband internet-of-things data sent by the narrowband internet-of-things communication module is received if the first wireless communication data sent by the wireless data communication module 31 is not received;
if the second narrowband internet of things data sent by the narrowband internet of things communication module 33 is received, converting the data format of the second narrowband internet of things data into the data format of the wireless communication network to obtain second wireless communication data;
transmitting the second wireless communication data to a wireless data communication module;
the wireless data communication module 31 is further configured to receive second wireless communication data and transmit the second wireless communication data to the wireless data transceiver 34.
Preferably, the processing module 32 is further configured to check each data group in each data packet of the first wireless communication data;
judging whether the first wireless communication data is complete or not according to the checking result;
if the first wireless communication data is complete, decoding the first wireless communication data according to a wireless communication network decoding rule;
and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
Preferably, the processing module is further configured to check each data group in each data packet of the first wireless communication data;
judging whether the first wireless communication data is complete or not according to the checking result;
if the first wireless communication data is complete, decoding the first wireless communication data according to a wireless communication network decoding rule;
and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
Preferably, the wireless data communication module 31 is one of an infrared wireless data communication module, a WIFI wireless data communication module, a Z-WAVE wireless data communication module, a bluetooth wireless data communication module, a ZigBee wireless data communication module, and a LORA wireless data communication module.
Preferably, the gateway based on the narrowband internet of things further comprises a power supply 36, and the power supply 36 is respectively connected with the wireless data communication device 31, the control device 32 and the narrowband internet of things communication device 33.
Further, power 36 is equipped with TYPE-C interface, power 36 pass through TYPE-C interface respectively with wireless data communication device 31, controlling means 32 and narrowband thing networking communication device 33 connect.
The TYPE-C interface is thinner, faster in transmission speed and better in power transmission, the maximum transmission speed can reach 10Gbit/s, the size is 8.3mm x 2.5mm, the function of inserting the positive and negative plug in is supported on the positive and negative faces, 1 ten thousand times of repeated plugging and unplugging can be borne, the standard of the TYPE-C interface provides 3A current for each connecting wire, and meanwhile, the maximum 100W power is provided.
According to the technical scheme, the data transmission method and the gateway based on the narrow-band Internet of things can convert the data format of wireless communication data into the data format of the narrow-band Internet of things, so that the data after the data format conversion is sent to the narrow-band Internet of things base station through the narrow-band Internet of things communication module.
In a specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments of the calling method provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. The above-described embodiments of the present invention do not limit the scope of the present invention.
Claims (8)
1. A data transmission method based on a narrowband Internet of things is characterized by comprising the following steps:
judging whether first wireless communication data sent by a wireless data communication module is received or not;
if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of a narrow-band Internet of things to obtain first narrow-band Internet of things data;
sending the first internet of things data to a narrow-band internet of things communication module so that the narrow-band internet of things communication module sends the first internet of things data to a narrow-band internet of things base station;
if the first wireless communication data sent by the wireless data communication module is not received, judging whether second narrowband Internet of things data sent by a narrowband Internet of things communication module is received or not;
if second narrowband internet of things data sent by the narrowband internet of things communication module is received, converting the data format of the second narrowband internet of things data into the data format of wireless communication network data to obtain second wireless communication data;
and transmitting the second wireless communication data to a wireless data communication module so that the wireless data communication module transmits the second wireless communication data to a wireless data transceiver.
2. The method of claim 1, wherein the converting the data format of the first wireless communication data into the data format of the narrowband internet of things to obtain first narrowband internet of things data comprises:
verifying each data group within each data packet of the first wireless communication data;
judging whether the first wireless communication data is complete or not according to the checking result;
if the first wireless communication data is complete, decoding the first wireless communication data according to a wireless communication network decoding rule;
and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
3. The method of claim 1, wherein the data format of the second narrowband internet of things data
Converting into a data format of the wireless communication network to obtain second wireless communication data, including:
checking each data group in each data packet of the second narrowband internet of things data;
judging whether the second narrowband Internet of things data is complete or not according to the checking result;
if the second narrow-band Internet of things data is complete, the second narrow-band Internet of things data is processed according to the narrow-band Internet of things
Decoding by using a decoding rule;
and coding the decoded second narrowband Internet of things data according to a wireless communication network coding rule to obtain second wireless communication data.
4. The method of claim 1, wherein the wireless communication data is at least one of infrared wireless communication data, WIFI wireless communication data, Z-WAVE wireless communication data, bluetooth wireless communication data, zigBee wireless communication data, and LORA wireless communication data.
5. A gateway based on a narrowband Internet of things (IoT), the gateway comprising:
the wireless data communication module is used for receiving first wireless communication data sent by the wireless data receiving and sending device and transmitting the first wireless communication data to the processing module;
the processing module is used for judging whether first wireless communication data sent by the wireless data communication module is received or not;
if first wireless communication data sent by the wireless data communication module are received, converting the data format of the first wireless communication data into the data format of a narrow-band Internet of things to obtain first narrow-band Internet of things data;
sending the first internet of things data to a narrow-band internet of things communication module;
the narrowband Internet of things communication module is used for receiving first narrowband Internet of things data and sending the first Internet of things data to the narrowband Internet of things base station;
if the first wireless communication data sent by the wireless data communication module is not received, judging whether second narrowband Internet of things data sent by a narrowband Internet of things communication module is received or not;
if second narrowband internet of things data sent by the narrowband internet of things communication module is received, converting the data format of the second narrowband internet of things data into the data format of wireless communication network data to obtain second wireless communication data;
transmitting the second wireless communication data to a wireless data communication module;
the wireless data communication module is also used for receiving second wireless communication data and transmitting the second wireless communication data to the wireless data transceiver.
6. The gateway of claim 5,
the processing module is further configured to verify each data group in each data packet of the first wireless communication data;
judging whether the first wireless communication data is complete or not according to the checking result;
if the first wireless communication data is complete, decoding the first wireless communication data according to a wireless communication network decoding rule;
and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
7. The gateway of claim 5,
the processing module is further configured to verify each data group in each data packet of the first wireless communication data;
judging whether the first wireless communication data is complete or not according to the checking result;
if the first wireless communication data is complete, decoding the first wireless communication data according to a wireless communication network decoding rule;
and coding the decoded first wireless communication data according to a narrowband Internet of things coding rule to obtain first narrowband Internet of things data.
8. The gateway of claim 5, wherein the wireless communication data communication module is at least one of an infrared wireless data communication module, a WIFI wireless data communication module, a Z-WAVE wireless data communication module, a Bluetooth wireless data communication module, a ZigBee wireless data communication module, and a LORA wireless data communication module.
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