CN107888539A - Internet-of-things terminal access device and method - Google Patents
Internet-of-things terminal access device and method Download PDFInfo
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- CN107888539A CN107888539A CN201610864102.7A CN201610864102A CN107888539A CN 107888539 A CN107888539 A CN 107888539A CN 201610864102 A CN201610864102 A CN 201610864102A CN 107888539 A CN107888539 A CN 107888539A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
The invention discloses a kind of internet-of-things terminal access device and method, to solve the problems, such as isomery internet-of-things terminal access platform difficulty.Described device includes：Signal dispatcher module, the upstream message reported for receiving upstream terminal；Card module, for the first terminal communication protocol according to the upstream terminal, the upstream message for the Platform communication agreement that the upstream message reported is converted into meeting platform.Device and method by protocol conversion, is ultimately converted to various types of terminals, and various terminals communication protocol the data model that platform defines, so as to access platform, solve thes problems, such as isomery internet-of-things terminal access platform difficulty in the present invention.
Description
Technical field
The present invention relates to internet of things field, more particularly to a kind of internet-of-things terminal access device and method.
Background technology
Internet of Things is the information technology of a new generation, is the connected internet of thing thing.With the development of technology of Internet of things, Internet of Things
Network termination has been applied in industry-by-industry, such as parking management, water quality monitoring, car operation etc..
Being presently used for the communication protocol of internet-of-things terminal has a variety of, such as CoAP, LWM2M, MQTT etc..In face of various things
When networked terminals are using different communication protocol access platform of internet of things, it can cause what part internet-of-things terminal can not access to ask
Topic, further resulting in can not interconnect between internet-of-things terminal.Therefore, how compatible or solution is using different communication protocol
Internet-of-things terminal accesses problem, is to realize the key to be interconnected between internet-of-things terminal.
The content of the invention
The defects of in order to overcome above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of internet-of-things terminal
Access device and method, to solve the problems, such as isomery internet-of-things terminal access platform difficulty.
In order to solve the above technical problems, a kind of internet-of-things terminal access device in the present invention, including：
Signal dispatcher module, the upstream message reported for receiving upstream terminal；
Card module, for the first terminal communication protocol according to the upstream terminal, the upstream message reported is changed
Into the upstream message for the Platform communication agreement for meeting platform.
As the improvement of the device of the present invention, the card module, it is additionally operable to be communicated according to the second terminal of downstream station
Agreement, the downstream message for the second terminal communication protocol that the downstream message of the platform is converted into meeting the downstream station；
Described information transceiver module, it is additionally operable to that the downstream message of the second terminal communication protocol of the downstream station will be met
It is sent to the downstream station.
The another of device as the present invention improves, and the card module includes：
Resolve packet unit, for what is reported described in the first terminal communication protocol parsing according to the upstream terminal
Row message；
Protocol conversion module, for by the upstream message after parsing according to the Platform communication protocol encapsulation.
As the further improvement of the device of the present invention, the resolve packet unit, it is additionally operable to lead to according to the platform
Believe the downstream message of platform described in protocol analysis；
The protocol conversion module, it is additionally operable to lead to the downstream message after parsing according to the second terminal of the downstream station
Believe protocol encapsulation.
As another improvement of the device of the present invention, described device includes at least one card module, each described
The attribute of card module is different；Described device also includes：
Plug-in card configuration module, for increasing or deleting card module, and for configuring the attribute of each card module；Institute
State attribute and comprise at least terminal communication protocol type；
Insert receptacle, for memory card module；
Insert receptacle module, for increased card module to be loaded into insert receptacle, by the card module of deletion from
Deleted in the insert receptacle；And the attribute according to each card module, call the terminal communication protocol pair of the upstream terminal
The card module answered, so that the upstream message reported is converted into meeting the up of Platform communication agreement by called card module
Message, or the terminal communication protocols for making called card module be converted into meeting the downstream station by the downstream message of platform
The downstream message of view.
As another improvement of the device of the present invention, the terminal communication protocol includes CoAP agreements, and (limited applications are assisted
View, Constrained Application Protocol), LWM2M agreements (Lightweight M2M, lightweight M2M agreements；
Wherein M2M is Machine-to-Machine/Man protocol abbreviations, i.e. Machine To Machine agreement) and MQTT (Message
Queuing Telemetry Transport, message queue remote measurement transmission) agreement；The Platform communication agreement includes OneM2M
Agreement (Internet of Things field International Organization for standardization OneM2M agreement.).
In order to solve the above technical problems, a kind of internet-of-things terminal cut-in method in the present invention, comprises the following steps：
Receive the upstream message that upstream terminal reports；
According to the first terminal communication protocol of the upstream terminal, the upstream message reported is converted into meet the flat of platform
The upstream message of platform communication protocol.
As the improvement of the method for the present invention, methods described also includes：
According to the second terminal communication protocol of downstream station, the downstream message of the platform is converted into meeting described descending
The downstream message of the second terminal communication protocol of terminal；
The downstream message for the second terminal communication protocol for meeting the downstream station is sent to the downstream station.
As the present invention further improvements in methods, the first terminal communication protocol according to the upstream terminal,
The step of upstream message for the Platform communication agreement that the upstream message reported is converted into meeting platform, including：
According to the upstream message reported described in the first terminal communication protocol parsing of the upstream terminal；
By the upstream message after parsing according to the Platform communication protocol encapsulation；
According to the second terminal communication protocol of the downstream station, the downstream message of the platform is converted into meeting described
The step of downstream message of the second terminal communication protocol of downstream station, including：
According to the downstream message of platform described in the Platform communication protocol analysis；
Downstream message after parsing is encapsulated according to the second terminal communication protocol of the downstream station.
The another of method as the present invention improves, and the terminal communication protocol includes limited applications CoAP agreements, light
Magnitude machine transmits MQTT agreements to device LWM2M agreements and message queue remote measurement；The Platform communication agreement is assisted including OneM2M
View.
The present invention has the beneficial effect that：
Various types of terminals, and various terminals communication protocol are passed through card module by device and method in the present invention
Conversion adaptation, is ultimately converted to the data model that platform defines, and so as to access platform, efficiently solves isomery internet-of-things terminal and connects
The problem of entering platform difficulty.
Brief description of the drawings
Fig. 1 is a kind of structural representation of internet-of-things terminal access device in the embodiment of the present invention；
Fig. 2 is a kind of flow chart of internet-of-things terminal cut-in method in the embodiment of the present invention.
Embodiment
The problem of for isomery internet-of-things terminal access platform difficulty, the invention provides a kind of access of internet-of-things terminal to fill
Put and method, below in conjunction with accompanying drawing and embodiment, the present invention will be described in further detail.It should be appreciated that this place is retouched
The specific embodiment stated does not limit the present invention only to explain the present invention.
As shown in figure 1, a kind of internet-of-things terminal access device in the embodiment of the present invention, including：
Signal dispatcher module 100, the upstream message reported for receiving terminal；
Card module 120, for the first terminal communication protocol according to the terminal, the upstream message reported is converted into
Meet the upstream message of the Platform communication agreement of platform.
Wherein, the terminal communication protocol includes CoAP agreements, LWM2M agreements and MQTT agreements；The Platform communication association
View includes OneM2M agreements.
Various types of terminals, and various terminals communication protocol are passed through card module by device in the embodiment of the present invention
Conversion adaptation, is ultimately converted to the data model that platform defines, and so as to access platform, efficiently solves isomery internet-of-things terminal and connects
The problem of entering platform difficulty；Device operation is flexible in the embodiment of the present invention simultaneously, and autgmentability is strong, is accessed for platform various types of
Terminal provides good solution；The compatible various terminals type access of device, is advantageous to platform in the embodiment of the present invention
Use and promote.
On the basis of above-described embodiment, it is further proposed that the embodiment variant of above-described embodiment, needs to illustrate herein
, in order that description is brief, the only description and the difference of above-described embodiment in each embodiment variant.
In an embodiment of the invention, the card module, the second terminal for being additionally operable to obtain downstream station are led to
Believe agreement；
According to the second terminal communication protocol of downstream station, the downstream message of platform is converted into meet the downstream station
Second terminal communication protocol downstream message；
Described information transceiver module, it is additionally operable to send the downstream message for meeting the terminal communication protocol of the downstream station
To the downstream station.
That is, card module provides protocol conversion function, it is responsible to be the communication Protocol Conversion of terminal uplink message
Platform of internet of things communication protocol；Simultaneously also the communication protocol that the communication Protocol Conversion of platform downstream message is terminal.It is such as flat
Platform generally use OneM2M agreements, for LwM2M protocol terminals, card module just needs to realize that LwM2M agreements are assisted with OneM2M
The mutual conversion of view.Card module needs to follow unified interface, and generates plug-in unit example by insert receptacle, calls the example to connect
Mouthful.Card module has public attribute, such as the version of plug-in unit, title, classification, interface etc.；Plug-in unit also has the privately owned of personalization
Attribute, such as LwM2M agreements and OneM2M agreements, can define message transformat of LwM2M protocol terminals etc..
Second terminal communication protocol wherein in invention embodiment and the first terminal communication protocols in last embodiment
View can be with identical, can also be different.
Furtherly, described device also includes：
Agreement acquisition module, for obtaining the first terminal communication protocols of the terminal from the upstream message reported
View.
Specifically, the card module includes：
Resolve packet unit, for what is reported described in the first terminal communication protocol parsing according to the upstream terminal
Row message；
Protocol conversion module, for by the upstream message after parsing according to the Platform communication protocol encapsulation.
Wherein, the resolve packet unit, it is additionally operable to according to the descending of platform described in the Platform communication protocol analysis
Message；
The protocol conversion module, it is additionally operable to lead to the downstream message after parsing according to the second terminal of the downstream station
Believe protocol encapsulation.
Certainly, in specific implementation, card module can also include interface module.That is, resolve packet unit,
For upstream message, according to terminal protocol type, data message is parsed；For downstream message, according to terminal communication protocol type,
Encapsulation of data message；
Conversion unit of protocol, realize the conversion of terminal protocol type and platform protocol type.Such as LwM2M terminals with
The terminal of OneM2M protocol types, can be according to《TS-0014-LWM2M_Interworking》Realize the conversion of agreement.
Interface module, unified calling interface is provided for card module, called for insert receptacle, so as to realize the plug-in unit
The function that module has.
In yet another embodiment of the present invention, the card module is at least one, the category of each card module
Property it is different；Described device also includes：
Plug-in card configuration module, for increasing or deleting card module, and for configuring the attribute of each card module；Institute
State attribute and comprise at least terminal communication protocol type；
Insert receptacle, for memory card module；
Insert receptacle module, for increased card module to be loaded into insert receptacle, by the card module of deletion from
Deleted in the insert receptacle；And the attribute according to each card module, call the terminal communication protocol pair of the upstream terminal
The card module answered, so that the upstream message reported is converted into meeting the up of Platform communication agreement by called card module
Message, or the terminal communication protocols for making called card module be converted into meeting the downstream station by the downstream message of platform
The downstream message of view.
That is, plug-in card configuration module provides plug-in card configuration method, plug-in unit property parameters etc. are set；Such as LwM2M associations
Discussing the parameter set with OneM2M protocol conversions plug-in unit has：Version number, plugin name, protocol conversion type, interface are realized class, disappeared
Cease data encoding format etc..After increasing a plug-in card configuration newly in plug-in card configuration module, insert receptacle can dynamically be checked and inserted
Part container creates the plug-in unit example, and monitors the plug-in component operation by insert receptacle, is dispatched by insert receptacle and selects the plug-in unit to perform.
After plug-in card configuration module deletes a plug-in card configuration, insert receptacle also can be checked dynamically, and be deleted in insert receptacle
The plug-in unit example, after deleting the plug-in unit, the plug-in unit will not be provided the translation function service of the agreement.
Insert receptacle module is to manage a module of plug-in unit, and he is responsible for being inserted according to plug-in card configuration module loading and unloading
Part, while the operation of monitoring management plug-in unit, insert receptacle are also an option that the suitable plug-in unit of scheduling, there is provided unified interface is for flat
Platform calls and realizes pin function service.
Certainly, in specific implementation, described device can also include Service Processing Module, and Service Processing Module is Internet of Things
The nucleus module of platform service processing, it is responsible for the processing and business datum storage of each operation flow；Such as：Platform of internet of things
There is provided data storage, terminal communication, message forwarding, url management, endpoint registration, terminal message reports, remote control terminal refers to
Make, parameter configuration issues.
Furtherly, insert receptacle module can include：
Plug-in unit load-on module, it is responsible for checking plug-in card configuration module, the plug-in unit for newly increasing configuration, plug-in unit load-on module meeting
The example of the plug-in unit is created, and is put into insert receptacle；
Plug-in management module, the plug-in unit example in insert receptacle, by plug-in management module management of monitor.Manage the fortune of plug-in unit
Row state, load time, plug-in parameter.When plug-in unit execution is abnormal, plug-in management module is responsible for re-creating plug-in unit example.
Plug-in unit scheduler module, plug-in unit scheduler module safeguard the classification for having each plug-in unit, and the classification of each plug-in unit
All it is unique in the insert receptacle.When protocol conversion, plug-in unit scheduler module is identical according to the type selecting of message packet
The plug-in unit of type.Then the protocol conversion function for calling plug-in unit to provide realizes protocol conversion.Such as when LwM2M protocol terminals are sent
During registration message, plug-in unit scheduler module judges that the protocol type of terminal is LwM2M protocol types, then select LwM2M agreements with
OneM2M protocol conversion plug-in units, card i/f is then called to complete the conversion of LwM2M agreements and OneM2M agreements.Namely institute,
Plug-in unit scheduler module is in terminal and platform interactive communication, it is necessary to which the suitable card module of selection scheduling, passes through card module
Protocol adaptation function, terminal communication protocol is converted to Platform communication agreement.Such as terminal communication protocol selection LWM2M agreements,
And at this moment platform just needs to select LWM2M translation-protocol plug-in units, uses the protocol conversion work(of plug-in unit usually using OneM2M agreements
Can, it is OneM2M agreements LWM2M protocol conversions.
Plug-in unit Unload module, when plug-in card configuration module deletes the configuration of some plug-in unit, insert receptacle is detected and called
Plug-in unit Unload module, delete the plug-in unit example.The plug-in unit of unloading no longer provides the service function of the plug-in unit.
A concrete application example is lifted, illustrates the access process of device in the embodiment of the present invention；
The flow that terminal sends upstream message includes：
Step 11, upstream terminal reported data message (i.e. upstream message).Under normal conditions, terminal need oneself
Facility information, status data etc. are sent to platform, and user or third party are supplied to by platform.
Step 12, the signal dispatcher module of platform is when receiving terminal reported data, it is necessary first to parses data message.
Step 13, card module corresponding to the insert receptacle module selection data message of platform.Such as the number that terminal is sent
It is the datagram of CoAP agreements according to message, then insert receptacle should select the plug-in unit mould of CoAP protocol conversion OneM2M agreements
Block；If the data message that terminal is sent is the data message of LwM2M agreements, then insert receptacle module should select LwM2M
The card module of protocol conversion OneM2M agreements.
Step 14, after plug-in unit is selected, it is possible to call the card module interface to perform protocol conversion, terminal data report
Form is converted to OneM2M protocol formats, and usual platform selecting is OneM2M agreements.
Step 15, the data message after OneM2M agreements is converted to, the Service Processing Module can of platform performs accordingly
Business operation.
Platform sends downstream message flow, including：
Step 21, platform sends downstream message.Platform needs to send downstream station control message, for example subscribing notification disappears
Breath.
Step 22, insert receptacle module selection card module.When sending downstream message, insert receptacle module is according to descending
The communication protocol type of terminal, select corresponding card module.
Step 23, card module is called, performs protocol conversion.
Step 24, by the data packet after conversion, it is then issued to terminal.
The present invention further provides a kind of internet-of-things terminal cut-in method.
As shown in Fig. 2 a kind of internet-of-things terminal cut-in method in the embodiment of the present invention, comprises the following steps：
S201, receive the upstream message that upstream terminal reports；
S202, according to the first terminal communication protocol of the upstream terminal, the upstream message reported is converted into meeting flat
The upstream message of the Platform communication agreement of platform.
Furtherly, methods described can also include：
The second communication protocol of downstream station is obtained,
According to the second terminal communication protocol of the downstream station, the downstream message of platform is converted into meeting described descending
The downstream message of the second terminal communication protocol of terminal；
The downstream message for the second terminal communication protocol for meeting the downstream station is sent to the downstream station.
Wherein, the step of upstream message of the Platform communication agreement that the upstream message reported is converted into meeting platform
Before, in addition to：
The terminal communication protocol of the terminal is obtained from the upstream message reported.
Wherein, the terminal communication protocol according to the upstream terminal, the upstream message reported is converted into meeting flat
The step of upstream message of the Platform communication agreement of platform, including：
According to the upstream message reported described in the first terminal communication protocol parsing of the upstream terminal；
By the upstream message after parsing according to the Platform communication protocol encapsulation；
According to the second terminal communication protocol of the downstream station, the downstream message of platform is converted into meeting described descending
The step of downstream message of the second terminal communication protocol of terminal, including：
According to the downstream message of platform described in the Platform communication protocol analysis；
Downstream message after parsing is encapsulated according to the second terminal communication protocol of the downstream station.
The terminal communication protocol includes CoAP agreements, LWM2M agreements and MQTT agreements；The Platform communication agreement includes
OneM2M agreements.
Various types of terminals, and various terminals communication protocol are passed through agreement by method method in the embodiment of the present invention
Adaptation conversion, is ultimately converted to the data model that platform defines, so as to access platform；When issuing downstream message, pass through agreement
Adaptation conversion, is ultimately converted to the data model of terminal definitions, and realization interacts with terminal.This method operation is flexible, autgmentability
By force, various types of terminals are accessed for platform and provides good solution.Using this method rational compatible various ends
Type access is held, is advantageous to platform and uses and promote.In Internet of Things field, solves heterogeneous terminals access problem.
With reference to example disclosed herein describe internet-of-things terminal cut-in method method, can be embodied directly in hardware, by
The software module of computing device or the two combination.For example, one or more of functional block diagram functional block diagram shown in Fig. 1
And/or one and/or multiple combinations (for example, card module) of functional block diagram, it both can correspond to computer program flow
Each software module, each hardware module can also be corresponded to.These software modules, it can correspond respectively to each shown in Fig. 2
Individual step.These software modules are for example solidified and realized by these hardware modules using field programmable gate array (FPGA).
Software module can be located at RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, post
Storage, hard disk, mobile hard disk, the storage medium of CD-ROM or any other form known in the art.One kind can be deposited
Storage media lotus root is connected to processor, so as to enable a processor to from the read information, and can be write to the storage medium
Information；Or the storage medium can be the part of processor.Processor and storage medium can be located at special integrated electricity
Lu Zhong.The software module can store the storage that can also be stored in pluggable mobile terminal in a memory in the mobile terminal
In card.For example, if mobile terminal is using the MEGA-SIM cards of larger capacity or the flash memory device of Large Copacity, the software
Module is storable in the flash memory device of the MEGA-SIM cards or Large Copacity.
One or more combination (examples of one or more of functional block diagram for Fig. 1 descriptions and/or functional block diagram
Such as, card module), it is possible to achieve it is general processor, the digital signal processor for performing function described herein
(DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other PLDs, discrete gate
Or transistor logic, discrete hardware components or it is any appropriately combined.For one in the functional block diagram of Fig. 1 descriptions
Or multiple and/or functional block diagram one or more combinations, the combination of computer equipment is also implemented as, for example, DSP and micro-
The combination of processor, multi-microprocessor, the one or more microprocessors that combine of being communicated with DSP or any other this match somebody with somebody
Put.
Although This application describes the particular example of the present invention, those skilled in the art can not depart from the present invention generally
Variant of the invention is designed on the basis of thought.
Those skilled in the art are under the inspiration that the technology of the present invention is conceived, on the basis of present invention is not departed from, also
Various improvement can be made to the method for the present invention, this still falls within the scope and spirit of the invention.
Claims (10)
1. a kind of internet-of-things terminal access device, it is characterised in that described device includes：
Signal dispatcher module, the upstream message reported for receiving upstream terminal；
Card module, for the first terminal communication protocol according to the upstream terminal, the upstream message reported is converted into according with
Close the upstream message of the Platform communication agreement of platform.
2. device as claimed in claim 1, it is characterised in that the card module, be additionally operable to second according to downstream station
Terminal communication protocol, the downstream message of the platform is converted into meeting under the second terminal communication protocol of the downstream station
Row message；
Described information transceiver module, it is additionally operable to send the downstream message for meeting the second terminal communication protocol of the downstream station
To the downstream station.
3. device as claimed in claim 1 or 2, it is characterised in that the card module includes：
Resolve packet unit, up disappear for what is reported described in the first terminal communication protocol parsing according to the upstream terminal
Breath；
Protocol conversion module, for by the upstream message after parsing according to the Platform communication protocol encapsulation.
4. device as claimed in claim 3, it is characterised in that the resolve packet unit, be additionally operable to according to the platform
Communication protocol parses the downstream message of the platform；
The protocol conversion module, it is additionally operable to the second terminal communication protocols according to the downstream station by the downstream message after parsing
View encapsulation.
5. device as claimed in claim 2, it is characterised in that the card module is at least one, each card module
Attribute it is different；Described device also includes：
Plug-in card configuration module, for increasing or deleting card module, and for configuring the attribute of each card module；The category
Property comprises at least terminal communication protocol type；
Insert receptacle, for memory card module；
Insert receptacle module, for increased card module to be loaded into insert receptacle, by the card module of deletion from described
Deleted in insert receptacle；And the attribute according to each card module, corresponding to the terminal communication protocol for calling the upstream terminal
Card module, disappear so that the upstream message reported is converted into meeting the up of Platform communication agreement by called card module
Breath, or make called card module that the downstream message of platform to be converted into the terminal communication protocol for meeting the downstream station
Downstream message.
6. device as claimed in claim 1 or 2, it is characterised in that the terminal communication protocol is assisted including limited applications CoAP
View, lightweight machine transmit MQTT agreements to device LWM2M agreements and message queue remote measurement；The Platform communication agreement includes
OneM2M agreements.
7. a kind of internet-of-things terminal cut-in method, it is characterised in that the described method comprises the following steps：
Receive the upstream message that upstream terminal reports；
According to the first terminal communication protocol of the upstream terminal, the platform that the upstream message reported is converted into meeting to platform leads to
Believe the upstream message of agreement.
8. method as claimed in claim 7, it is characterised in that methods described also includes：
According to the second terminal communication protocol of downstream station, the downstream message of the platform is converted into meet the downstream station
Second terminal communication protocol downstream message；
The downstream message for the second terminal communication protocol for meeting the downstream station is sent to the downstream station.
9. method as claimed in claim 8, it is characterised in that the first terminal communication protocols according to the upstream terminal
View, the step of the upstream message for the Platform communication agreement that the upstream message reported is converted into meeting platform, including：
According to the upstream message reported described in the first terminal communication protocol parsing of the upstream terminal；
By the upstream message after parsing according to the Platform communication protocol encapsulation；
According to the second terminal communication protocol of the downstream station, the downstream message of the platform is converted into meeting described descending
The step of downstream message of the second terminal communication protocol of terminal, including：
According to the downstream message of platform described in the Platform communication protocol analysis；
Downstream message after parsing is encapsulated according to the second terminal communication protocol of the downstream station.
10. method as claimed in claim 7 or 8, it is characterised in that the terminal communication protocol is assisted including limited applications CoAP
View, lightweight machine transmit MQTT agreements to device LWM2M agreements and message queue remote measurement；The Platform communication agreement includes
OneM2M agreements.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610864102.7A CN107888539A (en) | 2016-09-29 | 2016-09-29 | Internet-of-things terminal access device and method |
| PCT/CN2017/097128 WO2018059137A1 (en) | 2016-09-29 | 2017-08-11 | Internet of things terminal access device and method, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610864102.7A CN107888539A (en) | 2016-09-29 | 2016-09-29 | Internet-of-things terminal access device and method |
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| CN107888539A true CN107888539A (en) | 2018-04-06 |
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| CN201610864102.7A Withdrawn CN107888539A (en) | 2016-09-29 | 2016-09-29 | Internet-of-things terminal access device and method |
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| CN111818040A (en) * | 2020-07-06 | 2020-10-23 | 统一通信（苏州）有限公司 | Method for realizing communication by Internet of things transmission standard protocol |
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| CN115514667A (en) * | 2022-09-14 | 2022-12-23 | 京东方科技集团股份有限公司 | Access service processing method, system, device, electronic equipment and storage medium |
| CN115550463A (en) * | 2022-09-16 | 2022-12-30 | 深圳市润腾智慧科技有限公司 | Cross-cloud Internet of things platform data processing method and device and related equipment |
| CN116055577B (en) * | 2023-01-28 | 2023-07-14 | 东方合智数据科技(广东)有限责任公司 | Protocol conversion method, device, equipment and storage medium |
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