CN109982297B - Data transmission method and system of online electronic tag - Google Patents
Data transmission method and system of online electronic tag Download PDFInfo
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- CN109982297B CN109982297B CN201910051790.9A CN201910051790A CN109982297B CN 109982297 B CN109982297 B CN 109982297B CN 201910051790 A CN201910051790 A CN 201910051790A CN 109982297 B CN109982297 B CN 109982297B
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- 238000013459 approach Methods 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000004590 computer program Methods 0.000 description 7
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- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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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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Abstract
The invention provides a data transmission method and a system of an online electronic tag, comprising the following steps: determining a network communication mode in an online electronic tag arranged on the equipment; aiming at different service requirements, acquiring parameter values to be transmitted from the online electronic tag; based on the network communication mode, splicing or splitting the parameter value to be transmitted and the preset corresponding code to generate a data packet, and transmitting the data packet. The invention supports various network communication modules integrated in the online electronic tag, and can properly select a communication mode according to the actual situation of the local network environment.
Description
Technical Field
The invention relates to the field of data transmission, in particular to a data transmission method and system of an online electronic tag.
Background
In recent years, because of the convenience and rapid development brought by the electronic tag to life, the essence of the electronic tag is an embedded system powered by a battery, which not only has the near-field read-write function of the traditional electronic tag, but also integrates various sensors, microcontrollers, communication units and the like inside the tag, and can transmit perceived data to a background system through a wide area wireless network at any time as required.
The 2/3/4G coverage degree of three operators is almost all over, and the narrowband Internet of things (Narrow Band Internet of Things, NB-IoT) which is being implemented by the operators at present still faces the practical problems of increased cost, insufficient coverage and the like. As the cost of NB-IoT modules decreases, the speed of base station coverage steadily increases with the increase of devices, and thus the construction of NB-IoT networks is a progressive process. Thus, it is necessary to fully consider that for a considerable period of time, the general packet radio service technology (General Packet Radio Service, GPRS) and NB-IoT may exist in parallel, but current online electronic tags do not support multiple communication modes.
Disclosure of Invention
In order to solve the problem that the data communication protocol part of the online electronic tag faces the parallel existence of GPRS and NB-IoT in the prior art, the invention provides a data transmission method and a data transmission system of the online electronic tag. The size of the communication data packet is freely controlled through a unified data coding mode of a background server side at the system design level, so that a network communication module properly selects two communication methods of GPRS and NB-IoT according to actual conditions, and data transmission is rapidly and stably realized.
The technical scheme provided by the invention is as follows: a data transmission method of an online electronic tag comprises the following steps:
determining a network communication mode in an online electronic tag arranged on the equipment;
aiming at different service requirements, acquiring parameter values to be transmitted from the online electronic tag;
based on the network communication mode, splicing or splitting the parameter value to be transmitted and the preset corresponding code to generate a data packet, and transmitting the data packet.
Preferably, the determining the network communication mode in the online electronic tag provided on the device includes:
checking whether the online electronic tag arranged on the equipment has a set network communication mode, if so, adopting the set network communication mode, otherwise, determining the network communication mode based on the environment in which the online electronic tag is positioned;
wherein, the network communication mode includes: global mobile communication GPRS mode and narrowband internet of things NB-IoT mode.
Preferably, the setting of the network communication mode in the online electronic tag includes:
the background end sets a network communication mode used by the online electronic tag, or determines the network communication mode based on the maximum transmission data quantity set by the background end, and stores the network communication mode.
Preferably, the determining the network communication mode based on the environment where the online electronic tag is located includes:
when the environment where the online electronic tag is located is detected to cover the narrowband internet of things, selecting an NB-IoT mode for data transmission;
and when the environment where the online electronic tag is detected to be positioned does not cover the narrowband internet of things, selecting a GPRS mode for data transmission.
Preferably, the obtaining, for different service needs, the parameter value to be sent from the online electronic tag includes:
and selecting parameter values to be transmitted from the storage area of the online electronic tag based on the service of acquiring temperature data, humidity data, position information, network signals and clock information.
Preferably, the splicing or splitting the parameter value to be sent and the preset corresponding code based on the network communication mode to generate a data packet, and transmitting the data packet includes:
forming a plurality of pieces of transmission information based on the parameter value to be transmitted and the corresponding code, wherein each piece of transmission information consists of the parameter code +timestamp +parameter value;
counting the number of bytes corresponding to a plurality of pieces of transmission information to obtain the number of bytes to be transmitted;
based on the maximum transmission data quantity of the network communication mode at one time, splicing or splitting the byte number to be transmitted under the condition of ensuring the integrity of each piece of transmission information, and determining the transmission information which can be contained in each data packet;
and generating a data packet from the transmission information and transmitting the data packet.
Preferably, after determining the network communication mode in the online electronic tag provided on the device, the method further includes:
when the program of the online electronic tag is updated, the length of executable codes of the application program obtained each time is set based on the maximum transmission data quantity of the network communication mode at one time.
Preferably, the maximum transmission data amount includes:
the maximum transmission data size of the GPRS mode is 1024 bytes;
the maximum amount of data transmitted for the NB-IoT approach is 100 bytes.
Preferably, the coding arrangement comprises:
encoding types of a temperature sensor, a humidity sensor, an acceleration sensor, position information, network signals, battery power, asset information and clock information in the online electronic tag;
and encoding the parameter value corresponding to each type of information.
Preferably, the encoding the parameter value corresponding to each type of information includes:
and adding a time stamp to the parameter value corresponding to each type of information, and encoding the parameter value and the time stamp.
Based on the same inventive concept, the invention also provides a data transmission system of the online electronic tag, which comprises:
the online electronic tag, and a plurality of network communication modules and storage modules which are arranged inside the online electronic tag;
the online electronic tag is arranged on the equipment, is used for selecting a network communication module for working when in communication, and obtains parameter values to be sent from the storage module according to different service requirements;
the storage module is used for storing the parameter values to be sent;
the network communication module is used for splicing or splitting the parameter value to be sent and the preset corresponding code to generate a data packet, and transmitting the data packet.
Preferably, the network communication module includes:
the NB-IoT unit is used for selecting an NB-IoT mode for data transmission when the environment where the online electronic tag is located is detected to cover the narrowband internet of things;
and the GPRS unit is used for selecting a GPRS mode for data transmission when the environment where the online electronic tag is located is detected to not cover the narrowband internet of things.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme provided by the invention, a network communication mode is determined in an online electronic tag arranged on equipment; aiming at different service requirements, acquiring parameter values to be transmitted from the online electronic tag; based on the network communication mode, splicing or splitting the parameter value to be transmitted and the preset corresponding code to generate a data packet, and transmitting the data packet to support various network communication chips integrated in the online electronic tag.
According to the technical scheme provided by the invention, the optimal network communication mode can be selected by the inside of the tag according to the local network condition and the size of the required data transmission quantity, and meanwhile, the data package can be spliced or split according to the required transmission data size.
According to the technical scheme provided by the invention, a network communication mode for setting the online electronic tags at the background end is supported, or the once maximum data transmission quantity of each online electronic tag is directly set, so that the online electronic tags are convenient to adapt to various network communication modules, the design cost is reduced on hardware, the application program version is reduced on software, the management is convenient, and the data transmission speed and stability are improved.
Drawings
Fig. 1 is a flowchart of a data transmission method of an online electronic tag according to the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following description, drawings and examples.
Example 1:
fig. 1 is a flowchart of a data transmission method of an online electronic tag according to the present invention, including:
step S1, determining a network communication mode in an online electronic tag arranged on equipment;
s2, acquiring parameter values to be transmitted from the online electronic tag according to different service requirements;
and step S3, based on the network communication mode, splicing or splitting the parameter value to be transmitted and the preset corresponding code to generate a data packet, and transmitting the data packet.
In order to unify various environmental parameter formats and data formats which are required to be perceived by the online electronic tag, a mode of setting codes is adopted, and the setting of the codes comprises the following steps:
the fixed codes of the online electronic tag are regulated aiming at each parameter needing to be returned, and the online electronic tag can be freely expanded according to the needs;
as shown in table 1, parameters such as a clock, a communication address, a port, and a code are uniformly defined. The method has the advantages that in the process of transmitting parameters, fixed data units are preset for different types of parameters in the label, and the fixed data length can be realized without the data units in the data packet; and the parameter data are not separated by symbols, so that the data transmission quantity can be reduced.
Meanwhile, various sensors of different types are integrated in the online electronic tag, and according to different application requirements, different parameter acquisition periods and different sending intervals are different for reducing the power consumption of the online electronic tag. Therefore, the time stamping function is added to the transmitted data part, so that time alignment in the later data analysis is facilitated, and the measurement accuracy is ensured.
Table 1 online electronic tag part parameter encoding examples
| Parameter encoding | Parameter name | Content |
| 0x01 | Clock | 4 byte time 0xff 0xff 0xff 0xff |
| 0x02 | Position of | 4 byte acquisition time, 4 byte longitude, 4 byte latitudeDegree of |
| 0x03 | Network signal | 4 byte acquisition time and 1 byte db signal strength data |
| 0x04 | Battery power | 4 byte acquisition time, 2 byte electrical data |
| 0x05 | Asset encoding | 12 bytes |
| 0x06 | Temperature (temperature) | 4 byte acquisition time, 2 byte temperature data |
| 0x07 | Humidity of the water | 4 byte acquisition time, 2 byte humidity data |
| 0x08 | Acceleration sensor | 4 byte acquisition time, 4 byte acceleration data |
Step S3, based on the network communication mode, splicing or splitting the parameter value to be sent and the preset corresponding code to generate a data packet, and transmitting the data packet, wherein the step includes:
since the maximum transmission amount of the network communication unit is limited, data transmission is performed in the GPRS mode, the data transmission amount is usually 1024 bytes, and the data packet size is usually around 100 bytes when data transmission is performed in the NB-IoT mode. In the working process of the network communication unit, when the GPRS unit and the NB-IoT unit transmit data exceeding a certain length, the data are transmitted in segments, if the data format is not properly designed, data errors are easily caused;
meanwhile, in a data transmission process, a plurality of acquired environmental parameters or acquisition results of a plurality of time points of one environmental parameter may need to be transmitted; on the other hand, GPRS consumes more power when communicating, while NB-IoT approaches consume relatively little power.
Therefore, the parameter amount which can be sent in one data packet needs to be designed and calculated according to different service requirements and different network communication units. For example, one piece of position information includes: parameter coding+acquisition time+longitude+latitude, total 14 bytes, data packet header and 17 bytes of packet tail are removed, 71 position parameters can be transmitted at a time in a GPRS mode by using data packet, and 5 position parameters can be transmitted at a time in an NB-IoT mode.
In this embodiment, specific operations are performed by taking uploading of environmental awareness parameters as an example:
when the environment parameters are uploaded, the multi-acquisition parameter values stored in the local of the online electronic tag can be uploaded in a subpacket mode, and the size of the data packet is determined by the network communication mode set in the current online electronic tag.
The embodiment also provides online upgrading of the online electronic tag application program, which comprises the following steps:
when the program of the label is upgraded, the advantages of the communication data subpackage are fully utilized, the length of executable codes of the application program obtained each time is flexibly set according to the maximum transmission data amount allowed by the network communication module, the stability of the upgrading process is improved, and the specific data subpackage method is shown in the table 2.
Table 2 application upgrade parameter length
| Sequence number | Parameter name | Content |
| 1 | Application numbering | 1 byte |
| 2 | Program version number | 3 bytes |
| 3 | Package start position | 4 bytes |
| 4 | Read length | 4 bytes |
The technical scheme provided by the embodiment has the following advantages:
1. and selecting an optimal network communication method to determine the amount of data transmitted once according to the local network condition in the online electronic tag, and splicing or splitting the data packets according to the specified data format according to the size of the data to be transmitted.
2. The network communication module used by the online electronic tags can be directly arranged at the background end of the system, and the once maximum data transmission quantity of each online electronic tag is designated, so that the system is convenient to adapt to various network communication modules in the online electronic tags.
3. And the online electronic tag application program upgrading function, and the executable code length of the application program read at one time is determined by the maximum transmission data amount of the online electronic tag at one time.
Example 2:
based on the same inventive concept, the invention also provides a data transmission system of the online electronic tag, which comprises:
the online electronic tag, and a plurality of network communication modules and storage modules which are arranged inside the online electronic tag;
the online electronic tag is arranged on the equipment, is used for selecting a network communication module for working when in communication, and obtains parameter values to be sent from the storage module according to different service requirements;
the storage module is used for storing the parameter values to be sent;
the network communication module is used for splicing or splitting the parameter value to be sent and the preset corresponding code to generate a data packet, and transmitting the data packet.
In an embodiment, the network communication module includes:
the NB-IoT unit is used for selecting an NB-IoT mode for data transmission when the environment where the online electronic tag is located is detected to cover the narrowband internet of things;
and the GPRS unit is used for selecting a GPRS mode for data transmission when the environment where the online electronic tag is located is detected to not cover the narrowband internet of things.
It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as providing for the use of additional embodiments and advantages of all such modifications, equivalents, improvements and similar to the present invention are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The data transmission method of the online electronic tag is characterized by comprising the following steps of:
determining a network communication mode in an online electronic tag arranged on the equipment;
aiming at different service requirements, acquiring parameter values to be transmitted from the online electronic tag;
based on the network communication mode, splicing or splitting the parameter value to be transmitted and the preset corresponding code to generate a data packet, and transmitting the data packet;
the method for splicing or splitting the parameter value to be sent and the preset corresponding code based on the network communication mode to generate a data packet, and transmitting the data packet comprises the following steps:
forming a plurality of pieces of transmission information based on the parameter value to be transmitted and the corresponding code, wherein each piece of transmission information consists of the parameter code +timestamp +parameter value;
counting the number of bytes corresponding to a plurality of pieces of transmission information to obtain the number of bytes to be transmitted;
based on the maximum transmission data quantity of the network communication mode at one time, splicing or splitting the byte number to be transmitted under the condition of ensuring the integrity of each piece of transmission information, and determining the transmission information which can be contained in each data packet;
generating a data packet from the transmission information and transmitting the data packet;
the setting of the code comprises:
encoding types of a temperature sensor, a humidity sensor, an acceleration sensor, position information, network signals, battery power, asset information and clock information in the online electronic tag;
encoding parameter values corresponding to each type of information;
the method for determining the network communication mode in the online electronic tag arranged on the equipment comprises the following steps:
checking whether the online electronic tag arranged on the equipment has a set network communication mode, if so, adopting the set network communication mode, otherwise, determining the network communication mode based on the environment in which the online electronic tag is positioned;
wherein, the network communication mode includes: global mobile communication GPRS mode and narrowband internet of things NB-IoT mode.
2. The method of claim 1, wherein the setting of the network communication mode in the online electronic tag comprises:
the background end sets a network communication mode used by the online electronic tag, or determines the network communication mode based on the maximum transmission data quantity set by the background end, and stores the network communication mode.
3. The method of claim 1, wherein the determining the network communication mode based on the environment in which the online electronic tag is located comprises:
when the environment where the online electronic tag is located is detected to cover the narrowband internet of things, selecting an NB-IoT mode for data transmission;
and when the environment where the online electronic tag is detected to be positioned does not cover the narrowband internet of things, selecting a GPRS mode for data transmission.
4. The method of claim 1, wherein the obtaining the parameter value to be sent from the online electronic tag for different service needs comprises:
and selecting parameter values to be transmitted from the storage area of the online electronic tag based on the service of acquiring temperature data, humidity data, position information, network signals and clock information.
5. The method of claim 1, wherein after determining the network communication mode in the online electronic tag provided on the device, further comprising:
when the program of the online electronic tag is updated, the length of executable codes of the application program obtained each time is set based on the maximum transmission data quantity of the network communication mode at one time.
6. The method of any of claims 1, 2, or 5, wherein the maximum amount of transmission data comprises:
the maximum transmission data size of the GPRS mode is 1024 bytes;
the maximum amount of data transmitted for the NB-IoT approach is 100 bytes.
7. The method of claim 1, wherein the encoding the parameter value corresponding to each type of information comprises:
and adding a time stamp to the parameter value corresponding to each type of information, and encoding the parameter value and the time stamp.
8. A data transmission system for an online electronic tag, comprising:
the online electronic tag, and a plurality of network communication modules and storage modules which are arranged inside the online electronic tag;
the online electronic tag is arranged on the equipment and is used for selecting a network communication mode of work when in communication and acquiring parameter values to be transmitted from the storage module according to different service requirements;
the storage module is used for storing the parameter values to be sent;
the network communication module is used for splicing or splitting the parameter value to be sent and the preset corresponding code based on a network communication mode to generate a data packet, and transmitting the data packet;
the network communication module is specifically configured to:
forming a plurality of pieces of transmission information based on the parameter value to be transmitted and the corresponding code, wherein each piece of transmission information consists of the parameter code +timestamp +parameter value;
counting the number of bytes corresponding to a plurality of pieces of transmission information to obtain the number of bytes to be transmitted;
based on the maximum transmission data quantity of the network communication mode at one time, splicing or splitting the byte number to be transmitted under the condition of ensuring the integrity of each piece of transmission information, and determining the transmission information which can be contained in each data packet;
generating a data packet from the transmission information and transmitting the data packet;
the setting of the code comprises:
encoding types of a temperature sensor, a humidity sensor, an acceleration sensor, position information, network signals, battery power, asset information and clock information in the online electronic tag;
encoding parameter values corresponding to each type of information;
the online electronic tag is arranged on the equipment, is used for selecting a network communication mode of work when communicating, and is used for acquiring parameter values to be transmitted from the storage module according to different service requirements, and comprises the following steps:
checking whether the online electronic tag arranged on the equipment has a set network communication mode, if so, adopting the set network communication mode, otherwise, determining the network communication mode based on the environment in which the online electronic tag is positioned;
wherein, the network communication mode includes: global mobile communication GPRS mode and narrowband internet of things NB-IoT mode.
9. The system of claim 8, wherein the network communication means comprises:
the NB-IoT unit is used for selecting an NB-IoT mode for data transmission when the environment where the online electronic tag is located is detected to cover the narrowband internet of things;
and the GPRS unit is used for selecting a GPRS mode for data transmission when the environment where the online electronic tag is located is detected to not cover the narrowband internet of things.
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| CN112437417B (en) * | 2019-08-07 | 2023-07-25 | 汉朔科技股份有限公司 | Electronic price tag, electronic price tag system and data processing method |
| CN111833042B (en) * | 2020-05-14 | 2021-04-30 | 上海世麦智能科技有限公司 | Synchronous data processing method and system for scanning terminal communication |
| CN115687233A (en) * | 2021-07-29 | 2023-02-03 | 腾讯科技（深圳）有限公司 | Communication method, device, equipment and computer readable storage medium |
| CN115208836A (en) * | 2022-06-17 | 2022-10-18 | 珠海格力电器股份有限公司 | Data packet processing method, device, equipment and computer readable storage medium |
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