CN105898893B - Full-duplex communication method for mobile terminal and Internet of things equipment - Google Patents
Full-duplex communication method for mobile terminal and Internet of things equipment Download PDFInfo
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- CN105898893B CN105898893B CN201610374221.4A CN201610374221A CN105898893B CN 105898893 B CN105898893 B CN 105898893B CN 201610374221 A CN201610374221 A CN 201610374221A CN 105898893 B CN105898893 B CN 105898893B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The application discloses a full-duplex communication method for a mobile terminal and Internet of things equipment, which is characterized by comprising the following implementation steps of: establishing a communication protocol between a gateway and intelligent equipment as well as a background server, and providing a set of universal data frame formats; the intelligent equipment initiates a service request to a background server of the mobile terminal, and the background server receives and analyzes a request application initiated by the intelligent equipment, authenticates the request and sends back a response; H. the mobile terminal pushes a service instruction to the intelligent equipment, and the intelligent equipment executes corresponding action according to the protocol rule by receiving and analyzing the instruction. According to the method, the technical problem of remote communication between the intelligent device and the cloud is solved, the method for full bidirectional communication between the mobile terminal and the Internet of things device is provided, and full duplex communication between various intelligent devices and the mobile terminal can be achieved.
Description
Technical Field
The invention relates to the field of mobile internet and internet of things, in particular to a full-duplex communication method for a mobile terminal and internet of things equipment.
Background
With the development of internet technology and intelligent equipment in China, people, objects and things interconnection becomes a great trend. Through the mobile internet and the internet of things technology, the intelligent level of each industry can be greatly improved, the labor productivity is improved, the production or living cost is reduced, and the transformation from manufacturing to intelligent manufacturing in China is promoted. The Internet of things + belongs to a new national strategic industry and has a wide development prospect.
Due to the non-uniformity of the standard protocol of the internet of things, the domestic internet of things technology is still in a primary development stage. Meanwhile, the traditional internet is also accelerating the penetration from the pc end to the mobile end. The invention is a set of Internet of things communication and control application layer protocol which can adapt to cross-system, cross-platform and cross-terminal use, and can further reduce the requirement of the intelligent equipment on the storage capacity in a terminal + cloud mode.
The related protocols of the Internet of things system are divided into an access protocol and a communication protocol, the access protocol generally comprises zigbee, wifi, Bluetooth, gprs and the like, and enterprises in China also provide own enterprise standards. The communication protocols include http, socket/websocket, coach, mtqq, and the like. The invention aims to solve the problem of remote communication between intelligent equipment and a cloud end, so that a near field access protocol is not applicable, an ad hoc network between the equipment is not required, and long connection can be required to be kept.
The general requirements on the equipment of the Internet of things are small size, low power consumption and high cost control requirement, so that the calculation capacity, local storage and the like are in the range as low as possible, and the suitable technical scheme can meet the requirements.
The websocket is a protocol standard which is based on TCP and is provided by HTML5 and can support full-duplex communication, analysis of json data format is supported, and the problem that data are difficult to be pushed to equipment actively due to HTTP can be solved.
Disclosure of Invention
The method for full-duplex communication between the mobile terminal and the Internet of things device is provided, and the technical problem of full-duplex communication between various intelligent devices and the mobile terminal is solved.
In order to solve the technical problem, the invention discloses a full-duplex communication method between a mobile terminal and an internet of things device, which is characterized by comprising the following implementation steps of:
A. setting an equipment feature code for the intelligent equipment according to a certain rule as an addressing address;
B. the intelligent equipment is connected with a public network through a wireless transmission module;
C. the intelligent equipment initiates a connection request to the gateway;
D. the gateway authenticates after receiving the request and makes an acceptance or rejection response;
E. after receiving the request, the gateway establishes a communication link between the intelligent device and the mobile terminal;
F. establishing a communication protocol between a gateway and intelligent equipment as well as a background server, and providing a set of universal data frame formats;
G. the intelligent equipment initiates a service request to a background server of the mobile terminal, and the background server receives and analyzes a request application initiated by the intelligent equipment, authenticates the request and sends back a response;
H. the mobile terminal pushes a service instruction to the intelligent equipment, and the intelligent equipment executes corresponding action according to the protocol rule by receiving and analyzing the instruction.
Further, the step C includes: the intelligent device initiates a request for establishing a communication link to the gateway server through a socket protocol.
Further, the step D includes: and the gateway server makes an acceptance or rejection response through the socket protocol after authentication.
Furthermore, the gateway monitors the online state of the intelligent equipment in a quasi-real-time manner through heartbeat detection, and a bidirectional communication link is kept.
Further, the mobile terminal sends an instruction to the intelligent device in a push mode; and the intelligent equipment performs authentication and interactive operation with the background server through a panel or a keyboard.
Further, the device feature code is reset when the device is replaced.
Further, the device signature is synchronized to the gateway when an acceptance response is made after the gateway server authenticates.
Further, in step F, the data frame format includes: frame header, frame length, frame body and check code.
Further, the mobile terminal is matched with the corresponding intelligent device according to the device code in the frame header of the data frame.
Furthermore, the intelligent device, the mobile terminal and the background server execute corresponding actions according to the frame body and the frame header content to complete bidirectional communication.
Compared with the prior art, the full-duplex communication method for the mobile terminal and the Internet of things equipment achieves the following effects:
1) the long connection between the intelligent equipment and the gateway can be realized, the intelligent equipment acquires the public network address and establishes http connection with the mobile terminal hung on the public network, and therefore full bidirectional communication between the intelligent equipment and the mobile terminal is realized.
2) It is possible to transmit as much information as possible in as short a time as possible and to secure delivery rate and effectiveness.
3) The invention solves the technical problem of remote communication between intelligent equipment and a cloud end, provides a full bidirectional communication method between a mobile terminal and Internet of things equipment, and can realize full duplex communication between various intelligent equipment and the mobile terminal.
4) The invention is a set of Internet of things communication and control application layer protocol which can adapt to cross-system, cross-platform and cross-terminal use, and can further reduce the requirement of the intelligent equipment on the storage capacity in a terminal + cloud mode.
5) The intelligent production line greatly improves the intelligent level of each industry, improves the labor productivity, reduces the production or living cost, and promotes the transformation from manufacturing to intelligent manufacturing in China. The Internet of things + belongs to a new national strategic industry and has a wide development prospect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a full-duplex communication method between a mobile terminal and an internet of things device according to embodiment 1 of the present invention.
Fig. 2 is a structural diagram of a data frame in the full-duplex communication method between the mobile terminal and the internet of things device in embodiment 2 of the present invention.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
The present application will be described in further detail below with reference to the accompanying drawings, but the present application is not limited thereto.
Example 1
As shown in fig. 1, a flowchart of a full-duplex communication method between a mobile terminal and an internet of things device in this embodiment 1 is shown. The full-duplex communication method for the mobile terminal and the Internet of things equipment comprises the following implementation steps:
A. setting an equipment feature code for the intelligent equipment according to a certain rule as an addressing address;
B. the intelligent equipment is connected with a public network through a wireless transmission module; the wireless transmission module may be a 2G module, a 3G module, or a 4G module, and is connected to a public network, that is, an online event of the device in fig. 1.
C. The intelligent equipment initiates a connection request to the gateway; namely, sending out a handshake request;
D. the gateway authenticates after receiving the request and makes an acceptance or rejection response; in the figure, an acceptance response is made, if the authentication fails, the intelligent device fails to connect the gateway server if a rejection response is made, and a request or a termination request needs to be made again. I accept the response is a handshake response.
E. After receiving the request, the gateway establishes a communication link between the intelligent device and the mobile terminal; the communication link is a stable long connection.
F. Establishing a communication protocol between a gateway and intelligent equipment as well as a background server, and providing a set of universal data frame formats; this step can be implemented by editing computer source code.
G. The intelligent equipment initiates a service request to a background server of the mobile terminal, and the background server receives and analyzes a request application initiated by the intelligent equipment, authenticates the request and sends back a response;
H. the mobile terminal pushes a service instruction to the intelligent equipment, and the intelligent equipment executes corresponding action according to the protocol rule by receiving and analyzing the instruction.
Example 2
As shown in fig. 1, a flowchart of a full-duplex communication method between a mobile terminal and an internet of things device in this embodiment 2 is shown. The full-duplex communication method for the mobile terminal and the Internet of things equipment comprises the following implementation steps:
A. setting an equipment feature code for the intelligent equipment according to a certain rule as an addressing address; when replacing the device, the device signature needs to be reset. The device feature code includes information such as city, cell, device serial number, device type, hardware version, and software version.
B. The intelligent equipment is connected with a public network through a 2G/3G module; i.e. on-line events in the devices in the figure.
C. The intelligent equipment initiates a connection request to the gateway; namely, sending out a handshake request;
D. the gateway authenticates after receiving the request and makes an acceptance or rejection response; in the figure, an acceptance response is made, if the authentication fails, the intelligent device fails to connect the gateway server if a rejection response is made, and a request or a termination request needs to be made again. I accept the response is a handshake response.
E. After receiving the request, the gateway establishes a communication link between the intelligent device and the mobile terminal; the communication link is a stable long connection.
F. Establishing a communication protocol between a gateway and intelligent equipment as well as a background server, and providing a set of universal data frame formats; this step can be implemented by editing computer source code.
G. The intelligent equipment initiates a service request to a background server of the mobile terminal, and the background server receives and analyzes a request application initiated by the intelligent equipment, authenticates the request and sends back a response;
H. the mobile terminal pushes a service instruction to the intelligent equipment, and the intelligent equipment executes corresponding action according to the protocol rule by receiving and analyzing the instruction.
Preferably, the step C includes: the intelligent device initiates a request for establishing a communication link to the gateway server through a socket protocol. The step D comprises the following steps: and the gateway server makes an acceptance or rejection response through the socket protocol after authentication. Websocket is a protocol standard which is based on TCP and is provided by HTML5 and can support full-duplex communication, analysis of json data format is supported, and the problem that HTTP is difficult to actively push data to equipment can be solved.
Preferably, the gateway monitors the online state of the intelligent device in a quasi-real-time manner through heartbeat detection, and a bidirectional communication link is maintained. The heartbeat detection is to determine whether the other party (device, process or other network element) is operating normally, generally sending a simple communication packet at regular time, and if the other party does not receive a response within a specified time period, determining that the other party is present. The method can be realized by editing the source code of the computer program, namely, sending a fixed message to the intelligent equipment every few minutes, and the intelligent equipment replies the fixed message after receiving the fixed message. And if the gateway server does not receive the information of the intelligent equipment terminal within a few minutes, the intelligent equipment terminal is disconnected.
Preferably, the mobile terminal sends an instruction to the intelligent devices with different coding addresses in a push (push) mode, such as an APP or wechat public number; the intelligent equipment performs authentication and interactive operation with the background server through a panel or a keyboard of the intelligent equipment;
preferably, the device signature is synchronized to the gateway upon an acceptance response after authentication by the gateway server.
As shown in fig. 2, in step F, the data frame format preferably includes: frame header, frame length, frame body (including frame type, region coding, device coding, data), and check code. The region and device codes are used for addressing the devices, and the frame data can be customized according to different device types and functions, such as temperature, humidity, illumination, passwords and the like.
Preferably, the mobile terminal matches to the corresponding intelligent device according to the device code in the frame header of the data frame.
Preferably, the intelligent device, the mobile terminal and the background server execute corresponding actions according to the frame body and the frame header content to complete bidirectional communication.
Compared with the prior art, the full-duplex communication method for the mobile terminal and the Internet of things equipment achieves the following effects:
1) the long connection between the intelligent equipment and the gateway can be realized, the intelligent equipment acquires the public network address and establishes http connection with the mobile terminal hung on the public network, and therefore full bidirectional communication between the intelligent equipment and the mobile terminal is realized.
2) It is possible to transmit as much information as possible in as short a time as possible and to secure delivery rate and effectiveness.
3) The invention solves the technical problem of remote communication between intelligent equipment and a cloud end, provides a full bidirectional communication method between a mobile terminal and Internet of things equipment, and can realize full duplex communication between various intelligent equipment and the mobile terminal.
4) The invention is a set of Internet of things communication and control application layer protocol which can adapt to cross-system, cross-platform and cross-terminal use, and can further reduce the requirement of the intelligent equipment on the storage capacity in a terminal + cloud mode.
5) The intelligent production line greatly improves the intelligent level of each industry, improves the labor productivity, reduces the production or living cost, and promotes the transformation from manufacturing to intelligent manufacturing in China. The Internet of things + belongs to a new national strategic industry and has a wide development prospect.
Since the method has already been described in detail in the embodiments of the present application, the expanded description of the corresponding parts of the system and the method related in the embodiments is omitted here, and will not be described again. The description of the specific contents in the system may refer to the contents of the method embodiments, which are not limited in detail herein.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (7)
1. A full-duplex communication method for a mobile terminal and Internet of things equipment is characterized by comprising the following implementation steps:
A. setting an equipment feature code for the intelligent equipment according to a certain rule as an addressing address;
B. the intelligent equipment is connected with a public network through a wireless transmission module;
C. the intelligent equipment initiates a request for establishing a communication link to a gateway server through a socket protocol;
D. the gateway server authenticates after receiving the request, makes an acceptance or rejection response through a socket protocol after authenticating, and synchronizes the equipment feature code to the gateway server when making an acceptance response;
E. after the gateway server receives the request, the intelligent equipment and the mobile terminal establish a communication link;
F. establishing a communication protocol between the gateway server and the intelligent equipment and between the gateway server and the service background server, and providing a set of universal data frame formats;
G. the intelligent equipment initiates a service request to the service background server, and the service background server receives and analyzes the request application initiated by the intelligent equipment, authenticates the authentication and sends back a response;
H. and the mobile terminal pushes a service instruction to the intelligent equipment, and the intelligent equipment executes corresponding action according to a protocol rule by receiving and analyzing the instruction.
2. The method for full-duplex communication between a mobile terminal and an internet of things device according to claim 1, wherein the gateway server monitors the online state of the smart device in a quasi-real-time manner through heartbeat detection, and maintains a bidirectional communication link.
3. The method for the full-duplex communication between the mobile terminal and the internet of things device according to claim 2, wherein the mobile terminal sends an instruction to the intelligent device in a push mode; and the intelligent equipment performs authentication and interactive operation with the service background server through a panel or a keyboard.
4. The method of claim 1, wherein the device feature code is reset when the device is replaced.
5. The method according to claim 1, wherein in step F, the data frame format includes: frame header, frame length, frame body and check code.
6. The method according to claim 5, wherein the mobile terminal is matched to the corresponding smart device according to a device code in a frame header of a data frame.
7. The method for full-duplex communication between a mobile terminal and an internet of things device according to claim 6, wherein the intelligent device, the mobile terminal and the service background server execute corresponding actions according to a frame body and frame header contents to complete bidirectional communication.
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| CN201610374221.4A CN105898893B (en) | 2016-05-31 | 2016-05-31 | Full-duplex communication method for mobile terminal and Internet of things equipment |
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| CN201610374221.4A CN105898893B (en) | 2016-05-31 | 2016-05-31 | Full-duplex communication method for mobile terminal and Internet of things equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790590A (en) * | 2016-12-28 | 2017-05-31 | 珠海国芯云科技有限公司 | Terminal communication of internet of things managing and control system and its method based on cloud platform |
| CN106790283A (en) * | 2017-02-24 | 2017-05-31 | 广州华睿电子科技有限公司 | A kind of Internet of things system framework and data communications method |
| CN110740150B (en) * | 2018-07-20 | 2022-12-23 | 阿里巴巴集团控股有限公司 | Message interaction method and device |
| CN110011910B (en) * | 2019-04-08 | 2022-01-18 | 陈鹏 | Gateway communication system and gateway communication method supporting multi-protocol device access |
| CN110161870B (en) * | 2019-05-16 | 2022-12-16 | 中科物栖（北京）科技有限责任公司 | Internet of things equipment control method and system |
| CN111083102A (en) * | 2019-10-23 | 2020-04-28 | 全球能源互联网研究院有限公司 | Internet of things data processing method, device and equipment |
| CN112087423A (en) * | 2020-07-29 | 2020-12-15 | 深圳市国电科技通信有限公司 | Method, device and system for cloud-side cooperative management of terminal equipment |
| CN111884861B (en) * | 2020-08-03 | 2022-07-29 | 南京信息职业技术学院 | Real-time alarm method for Internet of things equipment based on Netty |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672866A1 (en) * | 2004-12-15 | 2006-06-21 | Siemens S.p.A. | Method and system to the instant transfer of multimedia files between mobile radio users within the scope of combinational services |
| CN102263680A (en) * | 2010-05-25 | 2011-11-30 | 广州市聚晖电子科技有限公司 | Smart home system |
| CN103049190A (en) * | 2012-12-12 | 2013-04-17 | 北京奇虎科技有限公司 | Mobile communication terminal and method controlling device operation |
| CN104539576A (en) * | 2014-11-19 | 2015-04-22 | 北京天地互连信息技术有限公司 | Communication method and system based on IPv6 network |
| CN105208132A (en) * | 2015-10-14 | 2015-12-30 | 成都中科创达软件有限公司 | Intelligent terminal cloud management system |
| CN105281957A (en) * | 2015-10-27 | 2016-01-27 | 深圳市有方科技股份有限公司 | Method for connecting device to Internet of things and server |
| CN105471974A (en) * | 2015-11-18 | 2016-04-06 | 北京京东世纪贸易有限公司 | Intelligent equipment capable of realizing remote control, terminal equipment and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067448B (en) * | 2012-12-12 | 2017-04-19 | 北京奇虎科技有限公司 | device control method and mobile communication terminal |
| CN103051693B (en) * | 2012-12-12 | 2016-12-21 | 北京奇虎科技有限公司 | Apparatus control method and mobile communication terminal |
| CN103916412B (en) * | 2012-12-31 | 2018-04-06 | 深圳市傲冠软件股份有限公司 | A kind of method and system of information technoloy equipment novel maintenance |
| CN104270468B (en) * | 2014-10-23 | 2018-08-03 | 深圳市领耀东方科技股份有限公司 | A kind of system of wechat control internet of things equipment |
| CN104660695A (en) * | 2015-02-09 | 2015-05-27 | 陈正涛 | Intelligent control system and intelligent control method based on wechat public platform |
| CN105471686B (en) * | 2015-12-26 | 2022-01-07 | 腾讯科技（深圳）有限公司 | Terminal control method, device and system |
-
2016
- 2016-05-31 CN CN201610374221.4A patent/CN105898893B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672866A1 (en) * | 2004-12-15 | 2006-06-21 | Siemens S.p.A. | Method and system to the instant transfer of multimedia files between mobile radio users within the scope of combinational services |
| CN102263680A (en) * | 2010-05-25 | 2011-11-30 | 广州市聚晖电子科技有限公司 | Smart home system |
| CN103049190A (en) * | 2012-12-12 | 2013-04-17 | 北京奇虎科技有限公司 | Mobile communication terminal and method controlling device operation |
| CN104539576A (en) * | 2014-11-19 | 2015-04-22 | 北京天地互连信息技术有限公司 | Communication method and system based on IPv6 network |
| CN105208132A (en) * | 2015-10-14 | 2015-12-30 | 成都中科创达软件有限公司 | Intelligent terminal cloud management system |
| CN105281957A (en) * | 2015-10-27 | 2016-01-27 | 深圳市有方科技股份有限公司 | Method for connecting device to Internet of things and server |
| CN105471974A (en) * | 2015-11-18 | 2016-04-06 | 北京京东世纪贸易有限公司 | Intelligent equipment capable of realizing remote control, terminal equipment and method |
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