CN109660631A - Narrowband Internet of things node communication system and method based on modular interface - Google Patents
Narrowband Internet of things node communication system and method based on modular interface Download PDFInfo
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- CN109660631A CN109660631A CN201910042843.0A CN201910042843A CN109660631A CN 109660631 A CN109660631 A CN 109660631A CN 201910042843 A CN201910042843 A CN 201910042843A CN 109660631 A CN109660631 A CN 109660631A
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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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
Abstract
The invention discloses narrowband Internet of things node communication systems and method based on modular interface, including terminal and information post office, terminal includes microcontroller and communications module, microcontroller includes for establishing the first communication interface for communicating to connect and upstream data being sent to communications module with communications module, communications module includes communicating to connect for establishing according to specified network address and Cloud Server corresponding port, and upstream data is sent to Cloud Server and receives the second communication interface of the downlink data that Cloud Server is sent, the Cloud Server of information post office is used to upstream data being sent to corresponding man-machine interactive system, and it receives the downlink data sent of man-machine interactive system and is forwarded to corresponding terminal.The interface modularity of module and component each in communication system so that each interface has general character, can be improved each module in system, the cohesion of component, also improve the reusability of each module and component, conducive to the exploitation, transformation and maintenance of system by the system.
Description
Technical field
The present invention relates to Internet of Things fields of communication technology, in particular to the narrowband Internet of things node based on modular interface is logical
Believe system and method.
Background technique
Narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) is one of all things on earth internet
Important branch.Narrowband Internet of Things is implemented in cellular network, only consume about 180KHz bandwidth, can be deployed directly into GSM network,
UMTS network or LTE network, to reduce lower deployment cost, realize smooth upgrade.Narrowband Internet of Things is wide with covering, connection is more, speed
The features such as rate is fast, at low cost, low in energy consumption, framework is excellent are that one kind can widely applied emerging technology in the world.
In current protenchyma connected network communication system, each module, component interface between coupling it is stronger, cohesion compared with
It is weak, cause the coupling between each module, component stronger, reduce the reusability of module and component, is unfavorable for the exploitation of system
And transformation maintenance.
Summary of the invention
(1) goal of the invention
To overcome above-mentioned at least one defect of the existing technology, system cohesion is improved, to improve system Nei Gejie
Point, the present invention provides following technical schemes.
(2) technical solution
As the first aspect of the present invention, the invention discloses the narrowband Internet of things node communication systems based on modular interface
System, including at least one terminal and information post office, wherein each terminal includes microcontroller and communications module, institute
Stating information post office includes Cloud Server；
The microcontroller includes the first communication interface, and first communication interface is used to establish with the communications module logical
Letter connection, and the upstream data of the identification information comprising the terminal is sent to the communications module；
The communications module includes the second communication interface, second communication interface be used for according to specified network address with
Communication connection is established in the Cloud Server corresponding port, and sends described in the upstream data and reception to the Cloud Server
The downlink data that Cloud Server is sent；
The Cloud Server is used to get the identification information of terminal from the upstream data received, and accordingly will
The upstream data is sent to corresponding man-machine interactive system, and receives the downlink data that man-machine interactive system is sent, and from institute
The identification information for getting terminal in downlink data is stated, and the downlink data is sent to corresponding terminal accordingly.
In a kind of possible embodiment, the communications module has unique International Mobile Equipment Identity code.
In a kind of possible embodiment, the terminal is additionally provided with subscriber identification card card slot, uses for installing
Family identification card.
In a kind of possible embodiment, the identification information of the terminal include International Mobile Equipment Identity code and/or
International mobile subscriber identity.
In a kind of possible embodiment, the microcontroller further include: initialization module, for obtaining the terminal
Identification information.
In a kind of possible embodiment, the terminal further includes peripheral circuit, and the peripheral circuit includes: that peripheral hardware passes
One of sensor, executing agency, wireless module are a variety of.
In a kind of possible embodiment, the microcontroller further include:
Data generation module includes the identification information of the terminal and the data information of terminal acquisition for generating
Upstream data.
In a kind of possible embodiment, the data generation module is by the identification information of the terminal and described adopts
The data information of collection carries out framing, to generate the upstream data.
In a kind of possible embodiment, first communication interface includes character generation unit, includes for generating
The character information of the given network address；
Second communication interface includes connection establishment unit, the character letter for generating according to the character generation unit
Breath establishes TCP or UDP connection between the terminal and the information post office；Wherein,
The network address includes IP address and port numbers.
In a kind of possible embodiment, the information post office further includes base station, and the base station is each described for transfer
The data transmitted between terminal and the Cloud Server.
In a kind of possible embodiment, the base station is the base station evolved Node B.
In a kind of possible embodiment, the base station includes at least one base station router.
In a kind of possible embodiment, the microcontroller further include:
Data obtaining module, for obtaining the link information and location information of the base station；Wherein,
The link information includes base station number and base station signal strength, and the location information includes universal time, latitude
It is degree, longitude, one or more in height above sea level.
In a kind of possible embodiment, second communication interface includes:
Length acquiring unit, for obtaining the data length of the upstream data；
Mode switch element, the data length for being obtained based on the length acquiring unit, by the communications module
Operating mode is switched to sending mode.
In a kind of possible embodiment, second communication interface is also used to realize with other Internet of things node logical
Letter, other described Internet of things node include other terminals.
In a kind of possible embodiment, the node communication system further include:
The man-machine interactive system comprising client server, the client server is for receiving the information post office
The upstream data sent, and for generating downlink data and the downlink data being sent to the information post office.
As a second aspect of the invention, the invention also discloses the narrowband Internet of things node communications based on modular interface
Method, comprising:
Data uplink step: the first communication interface of microcontroller establishes the communication link of the microcontroller and communications module
It connects, and the upstream data of the identification information comprising the terminal is sent to the communications module, the second of the communications module
Communication interface is established according to the corresponding port of specified network address and information post office Cloud Server and is communicated to connect, and to the cloud
Server sends the upstream data, the upstream data is forwarded to man-machine interactive system for the Cloud Server；
Data downstream step: the Cloud Server receives the lower line number comprising command information that man-machine interactive system is sent
According to obtaining the identification information for obtaining terminal in the downlink data, and according to the identification information got by the downlink
For data forwarding to the communications module of corresponding terminal, the downlink data received is sent to the micro-control by the communications module
Device processed.
In a kind of possible embodiment, this method further include:
Terminal initialization step: the identification information of the terminal is obtained.
In a kind of possible embodiment, this method further include:
The identification information for including the terminal is generated by the data generation module of microcontroller and the terminal acquires
Data information upstream data.
In a kind of possible embodiment, described generate includes the identification information of terminal and the number of terminal acquisition
It is believed that the upstream data of breath includes:
The identification information of the terminal and the data information of the acquisition are carried out framing by the data generation module of terminal,
To generate upstream data.
In a kind of possible embodiment, the identification information of the terminal include international mobile subscriber identity and/or
International Mobile Equipment Identity code.
In a kind of possible embodiment, this method further include:
Information acquiring step: by the data obtaining module of the microcontroller obtain the base station link information and
Location information；Wherein,
The link information includes base station number and base station signal strength, and the location information includes universal time, latitude
It is degree, longitude, one or more in height above sea level.
It is described to include: to the Cloud Server transmission upstream data in a kind of possible embodiment
The data length of the upstream data is obtained by the length acquiring unit of second communication interface, and will acquire
Data length be sent to the mode switch element of second communication interface, the mode switch element is based on the number received
The operating mode of the communications module is switched to sending mode according to length.
In a kind of possible embodiment, the second communication interface of the communications module according to specified network address with
Communication connection is established in the corresponding port of information post office Cloud Server
First communication interface generates the character information comprising the given network address, and the character information is sent out
It send to the connection establishment unit of second communication interface, the connection establishment unit establishes the end according to the character information
TCP or UDP connection between end and the information post office；Wherein,
The network address includes IP address and port numbers.
Narrowband Internet of Things section as the third aspect of the present invention, the invention also discloses another kind based on modular interface
Point communication means, comprising:
Service establishment step: man-machine interactive system establishes the communication connection with information post office, and will include target terminal mark
The Demand and service information for knowing information is sent to information post office；
Data uplink step: the first communication interface of microcontroller establishes the communication link of the microcontroller and communications module
It connects, and the upstream data of the data information of identification information and terminal acquisition including the terminal is sent to described lead to
Believe mould group, respective end of the second communication interface of the communications module according to specified network address and information post office Cloud Server
Mouthful establish communication connection, and send the upstream data to the Cloud Server, the Cloud Server from receive it is described on
The identification information of terminal is got in row data, and is forwarded to the upstream data accordingly according to the identification information of the terminal
Man-machine interactive system；
Data downstream step: what the Cloud Server reception man-machine interactive system of the information post office was sent includes target terminal
Identification information and command information downlink data, and obtain the identification information of target terminal in the downlink data, foundation
The downlink data is forwarded to corresponding terminal by the identification information got.
(3) beneficial effect
Narrowband Internet of things node communication system and method provided by the invention based on modular interface, can be by communication system
The interface modularity of each module and component improves each module in system, the cohesion of component so that each interface has general character in uniting
Property, the reusability of each module and component is also improved, conducive to the exploitation, transformation and maintenance of system.
Detailed description of the invention
It is exemplary below with reference to the embodiment of attached drawing description, it is intended to for the explanation and illustration present invention, and cannot manage
Solution is the limitation to protection scope of the present invention.
Fig. 1 is the structural block diagram of Internet of things node communication system first embodiment in narrowband provided by the invention.
Fig. 2 is the flow diagram of Internet of things node communication means first embodiment in narrowband provided by the invention.
Fig. 3 is the flow diagram of Internet of things node communication means second embodiment in narrowband provided by the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.
It should be understood that in the accompanying drawings, from beginning to end same or similar label indicate same or similar element or
Element with the same or similar functions.Described embodiments are some of the embodiments of the present invention, rather than whole implementation
Example, in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level and sequence
Deng.
The narrowband Internet of things node communication system based on modular interface provided below with reference to Fig. 1 the present invention is described in detail
First embodiment.The present embodiment is mainly used in protenchyma connected network communication, can be by by module each in communication system and group
The interface modularity of part improves each module in system, the cohesion of component so that each interface has general character, also improves each
The reusability of module and component, conducive to the exploitation, transformation and maintenance of system.
As shown in Figure 1, Internet of things node communication system in narrowband provided in this embodiment mainly includes: information post office and extremely
A few terminal.
Terminal (Ultimate-Equipment, UE) be it is a kind of with microcontroller (MCU) for core, adopted with sensor
The software and hardware entity of the functions such as sample, filtering processing, fusion calculation, communication, control executing agency, each terminal includes microcontroller
And communications module.NB-IoT terminal also has NB-IoT communication function, or even includes mechanical structure, such as NB-IoT combustion gas
Table, NB-IoT water meter, NB-IoT electronic card, NB-IoT traffic lights, NB-IoT reading intelligent agriculture equipment, NB-IoT machine tool control system
Deng.
Microcontroller be mainly responsible for data sampling and processing, analysis, intervene executing agency, and in the plate of communications module
Communication connection, microcontroller include the first communication interface.First communication interface of microcontroller is used to establish with communications module logical
Letter connection, and the upstream data of the identification information comprising terminal is sent to communications module.Upstream data refers to that data flow is
The data sent from terminal to man-machine interactive system.The identification information of terminal is unique, the i.e. work D information of terminal, in terminal
When being communicated by information post office with man-machine interactive system, terminal shows the identity of oneself by providing identification information, i.e.,
Which terminal knows man-machine interactive system oneself is, therefore the upstream data for being sent to man-machine interactive system will include terminal
Identification information.
Communications module is mainly responsible for the communication of terminal and data transmit-receive work, terminal pass through the communications module and information of itself
Post office carries out data interaction, and the upstream data that the microcontroller of terminal generates is to be sent to information post office by communications module
's.
Communications module will in the plate of microcontroller connection switchs to protenchyma connected network communication, so as to by information post office with it is man-machine
Interactive system communication.Communications module includes the second communication interface.Communications module receive microcontroller send it is to be sent
After upstream data, the second communication interface is established according to specified network address and Cloud Server corresponding port and is communicated to connect, and is realized
Data interaction is carried out with Cloud Server, and upstream data is sent to Cloud Server.Above-mentioned specified network address is one solid
Fixed network address, such as fixed IP address and port numbers.If man-machine interactive system sends downlink data to terminal, equally
It is terminal to be forwarded to by information post office, and the second communication interface is responsible for receiving the downlink data that information post office is sent, then sends out
Microcontroller is given, microcontroller parses the information such as control instruction therein, then executes instruction.
Microcontroller and communications module belong to the hardware layer of terminal.Microcontroller and communications module can be embedded into
In GEC (General Embedded Computer, general-purpose built-in type computer) chip, a part as GEC chip.Eventually
For the hardware layer at end there are also basic input/output interface (corresponding to BIOS program), basic input/output interface includes that universal input is defeated
Outgoing interface (GPIO interface) and universal asynchronous receiving-transmitting coffret (UART interface).
Information post office (Mssage Post Office, abbreviation MPO) is a kind of information transmission system based on NB-IoT agreement
System, information post office includes Cloud Server.The function served as bridge of information transmission is played between terminal and man-machine interactive system.Information post office
It also include core net and internet.
Cloud Server (Cloud server, abbreviation CS), can be a property server, be also possible to what several punishment dissipated
Cloud Server.Cloud Server is used to get the identification information of terminal from the upstream data received, and accordingly by upper line number
According to being sent to corresponding man-machine interactive system.After man-machine interactive system receives upstream data, it will be able to know the execution at terminal
Situation.Cloud Server is also used to receive the downlink data that man-machine interactive system is sent, and terminal is got from downlink data
Identification information, and downlink data is sent to corresponding terminal accordingly.Wherein, downlink data includes command information.Terminal receives phase
After the downlink data answered, the control instruction in downlink data can be executed.
Cloud Server has fixed network address, such as fixed IP address and port numbers, in this, as in Cloud Server
The physical support of portion's software, data, and guarantee that the unfixed terminal of network address can be with it by fixed network address
Communication is established, so that terminal will not lose writing to each other between Cloud Server.When terminal has successfully connected to information post office
When (when being attached to core net), information post office can be to one interim IP address of the terminal distribution being successfully connected, for terminal
Data interaction is carried out with information post office.After communications module issues data-signal (upstream data), data-signal will be followed by
Core net and internet reach Cloud Server, and then are forwarded to man-machine interactive system by Cloud Server.
In one embodiment, the communications module of each terminal has unique International Mobile Equipment Identity code.Communicate mould
What group had can be as the identity code of unique identification using International Mobile Equipment Identity code (International Mobile
Equipment Identity, abbreviation IMEI), i.e. IMEI code.In narrowband Internet of things system, it is unique mark of communications module
Know, communications module is written by communications module manufacturer, it is communication that developer can obtain the IMEI code of communications module by instruction
Mould group mark, can also be using it as the mark of terminal.
In one embodiment, each terminal is additionally provided with subscriber identification card card slot, for installing user identity
Identification card.Terminal includes user identity identification (Subscriber Identification Module, abbreviation SIM) card, i.e. SIM
Card.SIM card can use electronic card and be packaged in the chip of terminal, also be desirably integrated into communications module.SIM card contains only
One international mobile subscriber identity, that is, the card number of SIM card.International mobile subscriber identity (International
Mobile SubScriber Identification Number, abbreviation IMSI) it is the mark for distinguishing mobile subscriber, overall length
Degree is no more than 15, is stored in the SIM card of mobile device.Each SIM card has an international mobile subscriber identity IMSI.
In narrowband Internet of things system, it can also be used as the unique identification of terminal user.Communication operator can pass through
IMSI code collects communication flows expense, and terminal user can be taken by IMSI code to information post office operator or narrowband Internet of Things
Business mechanism pays dues.
Subscriber identification card card slot also belongs to the hardware layer of terminal, and subscriber identification card card slot can also be embedded into
In GEC chip, i.e., SIM card is eSIM (Embedded-SIM) card.
In one embodiment, the identification information of terminal includes the International Mobile Equipment Identity code of above-mentioned communications module
The international mobile subscriber identity (IMSI code) of (IMEI code) and/or above-mentioned subscriber identification card.
In one embodiment, microcontroller further includes initialization module.Initialization module is used to obtain the mark of terminal
Know information.Initialization module is the module of initial launch after system is opened.
In one embodiment, terminal further includes peripheral circuit, and peripheral circuit includes: peripheral sensors (such as temperature
Sensor, humidity sensor etc.), executing agency's (such as lampet, motor etc.), wireless module (WiFi, bluetooth and ZigBee etc.)
One of or it is a variety of.Peripheral circuit is set to GEC chip exterior, is electrically connected with GEC chip.
In one embodiment, microcontroller further includes data generation module, and data generation module includes for generating
The upstream data of the data information of identification information and the terminal acquisition of terminal.The data information of terminal acquisition depends on terminal
Type, for example, terminal be above-mentioned NB-IoT water meter when, terminal acquisition data information be water flow, flow velocity, in a period of time
The data such as total flow, one of meaning of terminal, which is that, to be acquired data and feeds back to man-machine interactive system, and by human-computer interaction
System control come change itself acquisition data mode etc., therefore be also required in upstream data include terminal acquisition data believe
Breath.
In one embodiment, the identification information of terminal and the data information of acquisition are carried out group by data generation module
Frame, to generate upstream data.The data information of terminal acquisition is usually adopted by the various kinds of sensors, the mechanism that are set to terminal etc. is responsible
Collection, and the unique identification information of terminal is responsible for acquisition by above-mentioned initialization module, data generation module be responsible for identification information and
It acquires data and carries out framing, to form upstream data.
In one embodiment, the first communication interface includes character generation unit, for generating comprising specified network
The character information of location.There is Cloud Server fixed network address can first pass through micro- when terminal is that Cloud Server establishes communication
The character generation unit of the first communication interface of controller generates its character information according to pre-stored fixed network address, i.e.,
The character information of IP address and port numbers.
Second communication interface includes connection establishment unit, and the character information for generating according to character generation unit is established eventually
TCP or UDP connection between end and information post office.After character generation unit generates character information, it is sent to communications module second
The connection establishment unit of communication interface, connection establishment unit can navigate to the Cloud Server of information post office in a network accordingly, and
TCP connection is established with Cloud Server or UDP is connect.
In one embodiment, information post office further includes base station, and base station takes for the cloud of transit terminal and information post office
The data transmitted between business device are used to receive the upstream data that terminal communications module is sent and are sent to Cloud Server, and
Receive the downlink data that Cloud Server is sent and the communications module for being sent to terminal.When terminal has successfully connected to information post office
When, from the base station of information post office to terminal distribution temporary network address, so that terminal and information post office carry out data interaction.
In one embodiment, base station is the base station evolved Node B.Evolved Node B (eNodeB, abbreviation eNB),
The title of base station in LTE, the base station eNB have radio resource management function, IP compress and customer traffic encryption function,
The tune of function, the scheduled transmission function of paging information, broadcast message that network node when narrowband internet-of-things terminal adheres to selects
It spends transfer function and setting and the measurement function etc. of eNB is provided.
Wherein, wireless resource management (Radio Resource Management, abbreviation RRM), is the item in finite bandwidth
Under part, quality of service guarantee is provided for wireless user terminal in network, basic point of departure is unevenly distributed in network traffic
For the even, characteristic of channel due to channel is weak and interference when fluctuations, flexible allocation and dynamic adjust wireless transmission section
With the available resources of network, wireless frequency spectrum utilization rate is farthest improved, prevent network congestion and keeps letter as small as possible
Enable load.
Network node (Mobility Management Entity, abbreviation MME) is the pass of 3GPP agreement LTE access network
Key control node, it is responsible for the positioning of the terminal of idle mode, call process, including relaying, is responsible for signaling processing part.
In one embodiment, base station includes at least one base station router.Base station router is usually mounted to higher
Position at, such as be installed at the top of steel tower, steel tower hangs up base station router highland, to improve the wireless of base station router
Coverage area.
In one embodiment, microcontroller further includes data obtaining module.Data obtaining module is for obtaining base station
Link information and location information.Wherein, link information includes base station number and base station signal strength, and location information includes the world
It is standard time, latitude, longitude, one or more in height above sea level.When terminal radio frequency signal is opened, terminal can be near
Base station connection.The base station number of the available connection of terminal, further according to the address of base station analysing terminal.Terminal passes through base station signal
Intensity could be aware that the quality of the communication capacity between base station.
In one embodiment, the second communication interface includes length acquiring unit and mode switch element.Length obtains
Unit is used to obtain the data length of upstream data.The data that mode switch element is used to obtain based on length acquiring unit are long
The pattern switching of communications module is sending mode by degree.After the upstream data that communications module receives that microcontroller is sent, first
The data length of upstream data is got by length acquiring unit, then data length is sent mode by length acquiring unit
Switch unit, to switch the operating mode of communications module as sending mode, then communications module will be upper by the second communication interface
Row data are sent.
In one embodiment, the second communication interface is also used to realize with other Internet of things node and communicate, other Internet of Things
Net node includes other terminals.
In one embodiment, which further includes man-machine interactive system.Man-machine interactive system includes using
Family server, client server for receiving the upstream data that information post office is sent, and for generate downlink data and will under
Row data are sent to information post office.Man-machine interactive system (Human-computer interaction, abbreviation HCI) is to realize people
With information interaction, information processing and the software and hardware system of information service of information post office (Cloud Server).Man-machine interactive system
It enables people to realize and obtain by information post office using equipment such as general purpose computer, laptop, tablet computer, mobile phones
The data of terminal and the function that terminal is controlled.
Man-machine interactive system also knows the fixed network address of the Cloud Server of information post office, and by the network address with
Cloud Server establishes communication connection.
Man-machine interactive system in addition to include client server, can also include Web page, mobile phone A pp and wechat small routine,
To increase the interactive mode of user.Web page, mobile phone A pp and the difference of wechat small routine and client server are user services
Device has local data base, can local IP access historical data, and Web page, mobile phone A pp and wechat small routine do not include local
Database is needed through other programs come access history data.
The narrowband Internet of things node communication means based on modular interface provided below with reference to Fig. 2 the present invention is described in detail
First embodiment.The present embodiment is the method for implementing above-mentioned narrowband Internet of things node communication system first embodiment, main to apply
In protenchyma connected network communication.
As shown in Fig. 2, Internet of things node communication means in narrowband provided in this embodiment mainly comprises the steps that
Step 101, data uplink step: the first communication interface of microcontroller establishes the logical of microcontroller and communications module
Letter connection, and the upstream data of the identification information comprising terminal is sent to communications module, the second communication interface of communications module
Corresponding port according to specified network address and information post office Cloud Server, which is established, to be communicated to connect, and is sent to Cloud Server
Row data, upstream data is forwarded to man-machine interactive system for Cloud Server.
Step 102, data downstream step: Cloud Server receives the downlink comprising command information that man-machine interactive system is sent
Data obtain the identification information for obtaining terminal in downlink data, and are forwarded to downlink data according to the identification information got
The downlink data received is sent to microcontroller by the communications module of corresponding terminal, communications module.
In one embodiment, this method further include:
Terminal initialization step: the identification information of terminal is obtained.
In one embodiment, this method further include:
Generated by the data generation module of microcontroller includes the identification information of terminal and the data letter of terminal acquisition
The upstream data of breath.
In one embodiment, the upper line number of the identification information including terminal and the data information of terminal acquisition is generated
According to including:
The identification information of terminal and the data information of acquisition are carried out framing by the data generation module of terminal, on generating
Row data.
In one embodiment, the identification information of terminal includes that international mobile subscriber identity and/or international movement are set
Standby identity code.
In one embodiment, this method further include:
Information acquiring step: the link information of base station is obtained by the data obtaining module of microcontroller and positioning is believed
Breath；Wherein,
Link information includes base station number and base station signal strength, location information include universal time, latitude, longitude,
It is one or more in height above sea level.
In one embodiment, sending upstream data to Cloud Server includes:
The data length of upstream data is obtained by the length acquiring unit of the second communication interface, and the data that will acquire are long
Degree is sent to the mode switch element of the second communication interface, and mode switch element is based on the data length received by communications module
Operating mode be switched to sending mode.
In one embodiment, the second communication interface of communications module is according to specified network address and information post office cloud
Communication connection is established in the corresponding port of server
First communication interface generates the character information comprising given network address, and character information is sent to the second communication
The connection establishment unit of interface, connection establishment unit establish TCP or the UDP company between terminal and information post office according to character information
It connects；Wherein,
Network address includes IP address and port numbers.
The narrowband Internet of things node communication means based on modular interface provided below with reference to Fig. 3 the present invention is described in detail
Second embodiment.The present embodiment is the method for implementing above-mentioned narrowband Internet of things node communication system first embodiment, main to apply
In protenchyma connected network communication.
As shown in figure 3, Internet of things node communication means in narrowband provided in this embodiment mainly comprises the steps that
Step 201, service establishment step: man-machine interactive system establishes the communication connection with information post office, and will include mesh
The Demand and service information of mark terminal identification information is sent to information post office.
Step 202, data uplink step: the first communication interface of microcontroller establishes the logical of microcontroller and communications module
Letter connection, and the upstream data of the data information of identification information and terminal acquisition including terminal is sent to communications module,
Second communication interface of communications module is established with the corresponding port of information post office Cloud Server according to specified network address and is communicated
Connection, and upstream data is sent to Cloud Server, Cloud Server gets the mark letter of terminal from the upstream data received
Breath, and upstream data is forwarded to corresponding man-machine interactive system according to the identification information of terminal.
Step 203, data downstream step: what the Cloud Server reception man-machine interactive system of information post office was sent includes target
The identification information of terminal and the downlink data of command information, and obtain the identification information of target terminal in downlink data, foundation
Downlink data is forwarded to corresponding terminal by the identification information got.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of narrowband Internet of things node communication system based on modular interface, which is characterized in that including at least one terminal,
And information post office, wherein each terminal includes microcontroller and communications module, and the information post office includes cloud service
Device；
The microcontroller includes the first communication interface, and first communication interface is used to establish communication link with the communications module
It connects, and the upstream data of the identification information comprising the terminal is sent to the communications module；
The communications module includes the second communication interface, second communication interface be used for according to specified network address with it is described
Communication connection is established in Cloud Server corresponding port, and sends the upstream data to the Cloud Server and receive the cloud clothes
The downlink data that business device is sent；
The Cloud Server is used to get the identification information of terminal from the upstream data received, and accordingly will be described
Upstream data is sent to corresponding man-machine interactive system, and receives the downlink data that man-machine interactive system is sent, and under described
The identification information of terminal is got in row data, and the downlink data is sent to corresponding terminal accordingly.
2. node communication system as described in claim 1, which is characterized in that the terminal is additionally provided with subscriber identification card
Card slot, for installing subscriber identification card.
3. node communication system as claimed in claim 1 or 2, which is characterized in that the identification information of the terminal includes the world
Mobile equipment identity code and/or international mobile subscriber identity.
4. node communication system as described in claim 1, which is characterized in that first communication interface includes that character generates list
Member, for generating the character information comprising the given network address；
Second communication interface includes connection establishment unit, and the character information for generating according to the character generation unit is built
Stand the TCP between the terminal and the information post office or UDP connection；Wherein,
The network address includes IP address and port numbers.
5. node communication system as described in claim 1, which is characterized in that the information post office further includes base station, the base
The data stood for being transmitted between each terminal of transfer and the Cloud Server.
6. node communication system as claimed in claim 5, which is characterized in that the microcontroller further include:
Data obtaining module, for obtaining the link information and location information of the base station；Wherein,
The link information includes base station number and base station signal strength, and the location information includes universal time, latitude, warp
It is one or more in degree, height above sea level.
7. node communication system as described in claim 1, which is characterized in that second communication interface includes:
Length acquiring unit, for obtaining the data length of the upstream data；
Mode switch element, the data length for being obtained based on the length acquiring unit, by the work of the communications module
Pattern switching is sending mode.
8. node communication system as described in claim 1, which is characterized in that the node communication system further include:
The man-machine interactive system comprising client server, the client server are sent for receiving the information post office
Upstream data, and for generating downlink data and the downlink data being sent to the information post office.
9. a kind of narrowband Internet of things node communication means based on modular interface characterized by comprising
Data uplink step: the first communication interface of microcontroller establishes the communication connection of the microcontroller and communications module,
And the upstream data of the identification information comprising the terminal is sent to the communications module, the second communication of the communications module
Interface is established according to the corresponding port of specified network address and information post office Cloud Server and is communicated to connect, and to the cloud service
Device sends the upstream data, the upstream data is forwarded to man-machine interactive system for the Cloud Server；
Data downstream step: the Cloud Server receives the downlink data comprising command information that man-machine interactive system is sent, and obtains
The identification information for obtaining terminal in the downlink data is taken, and turns the downlink data according to the identification information got
It is sent to the communications module of corresponding terminal, the downlink data received is sent to the microcontroller by the communications module.
10. a kind of narrowband Internet of things node communication means based on modular interface characterized by comprising
Service establishment step: man-machine interactive system establishes the communication connection with information post office, and will include target terminal mark letter
The Demand and service information of breath is sent to information post office；
Data uplink step: the first communication interface of microcontroller establishes the communication connection of the microcontroller and communications module,
And the upstream data of the data information of identification information and terminal acquisition including the terminal is sent to the communication
Mould group, corresponding port of the second communication interface of the communications module according to specified network address and information post office Cloud Server
It establishes communication connection, and sends the upstream data to the Cloud Server, the Cloud Server is from the uplink received
The identification information of terminal is got in data, and is forwarded to the upstream data accordingly according to the identification information of the terminal
Man-machine interactive system；
Data downstream step: the Cloud Server of the information post office receives the mark comprising target terminal that man-machine interactive system is sent
Know the downlink data of information and command information, and obtain the identification information of target terminal in the downlink data, according to described in
The downlink data is forwarded to corresponding terminal by the identification information got.
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