KR101329421B1 - Router, Method, and Recording Medium for M2M Service - Google Patents

Abstract

The present invention provides a M2M service by connecting a plurality of sensors and the user terminal to communicate through a single M2M router, the router for M2M service according to an aspect of the present invention, one or more various sensors A connection unit communicating with the connection; A service division unit classifying service types according to types of devices corresponding to sensors connected through the connection unit; And driving the M2M application corresponding to the classified service type, collecting information from the connected sensor, and providing an M2M service to the user based on the collected information through communication with a user terminal connected through a communication network. It may include a service provider.

Description

Router, method, and recording medium for M2M service {Router, Method, and Recording Medium for M2M Service}

The present invention relates to a technology for a machine-to-machine (M2M) service.

In general, the intelligent communication, also called M2M (Machine to Machine) or O2N (Object to Object Intelligent Network), collects information detected by sensors in various devices through internet wired / wireless communication network, It is applied to telematics, exercise, navigation, smart meter, vending machine and security service.

Object intelligence communication is an intelligent service that intelligently collects and communicates information by imposing sensor communication function on all objects, and enables status recognition, location information and remote control / monitoring through various devices.

The next generation network infrastructure that can improve national competitiveness by creating new markets such as vehicle intelligence services, personalized services and smart security services by responding to rapidly changing mobile environment and future broadcasting communication demand and converging with various industries .

For example, in the case of a personalized service, it is possible to transmit personalized knowledge by recognizing an individual's symbolization pattern, and vehicle intelligence service can be performed by vehicle collision and traffic control, mobile diagnostic monitoring service, and the like. In addition, smart safety services can be provided by securing social safety nets through traffic, weather, environmental and disaster information monitoring.

However, since the M2M sensor for IoT communication is a combination of a sensor and a communication module, in this case, the device purchase cost is excessively increased when the sensor is added, and in order to receive new M2M service, even if the sensor used the same role, it must be replaced. There was a problem.

The present invention is to solve the above-mentioned conventional problems, an object thereof is to provide a M2M service by connecting a plurality of sensors and the user terminal to communicate through a single M2M router.

In order to achieve the above object, a router for an M2M service according to an aspect of the present invention, a connection unit for connecting and communicating with one or more various sensors; A service division unit classifying service types according to types of devices corresponding to sensors connected through the connection unit; And driving the M2M application corresponding to the classified service type, collecting information from the connected sensor under control of the driven application, and collecting the collected information to the user through communication with a user terminal connected through a communication network. It may include a service providing unit for providing an M2M service based on.

The communication method of the connection unit may include at least one communication method of Zigbee, WiFi, WiFi-Direct, Bluetooth, Controller Area Network (CAN), Universal Serial Bus (USB), and Secure Digital I / O (SDIO). .

The connection unit may include first information for identifying a connection state between a corresponding sensor and a corresponding user terminal when connecting to the sensor through information provided by the sensor, second information for identifying a device related to the sensor, and corresponding information. At least one of the third information indicating the connection method with the sensor may be stored, and if the connection is lost, the stored information may be deleted.

The service division unit includes a Session Description Protocol (SDP) stack, wherein the SDP stack includes a first field for recording first information provided by the connection unit, and a second type for recording a service type according to a type of a connected sensor. Field, and a third field for recording the second information transmitted from the connection unit.

The service provider includes an M2M platform and an M2M application, and the M2M platform may search for, download, install, or drive a corresponding M2M application from an M2M app server according to a type of service.

In order to achieve the above object, a method for an M2M service according to another aspect of the present invention is an M2M service method performed by an M2M router connected to a sensor and connected to a user terminal through a communication network. Sensor connection step of communicating; A service classification step of classifying a service type according to a type of a device corresponding to the connected sensor; And driving the M2M application corresponding to the classified service type, collecting information from the connected sensor under control of the driven application, and collecting the collected information to the user through communication with a user terminal connected through a communication network. A service providing step of providing an M2M service based on the M2M application, if the M2M application corresponding to the classified service type is not already installed, the M2M application based on the classified service type M2M app The method may further include searching for, downloading, and installing from a server.

The communication method in the sensor connection step may include at least one communication method of Zigbee, WiFi, WiFi-Direct, Bluetooth, Controller Area Network (CAN), Universal Serial Bus (USB), and Secure Digital I / O (SDIO). Can be.

In the sensor connecting step, when the sensor is connected, first information for identifying a connection state between the sensor and the corresponding user terminal, second information for identifying a device related to the sensor, and a method for indicating a connection method with the sensor; 3 At least one of the information can be stored, and if the connection is lost, the stored information can be deleted.

The service classification step includes a first field for recording the first information provided in the sensor connection step, a second field for recording the service type according to the type of the connected sensor, and a third field for recording the second information. The SDP stack may be used, and the SDP stack may be used in the service classification step.

According to another aspect of the present invention to achieve the above object, there can be provided a computer-readable recording medium in which the method for the M2M service described above is recorded by a program.

As described above, according to various aspects of the present invention, since a plurality of sensors and a user terminal may be connected to each other to communicate through a single M2M router, M2M services may be provided, and thus, each sensor may be remote for M2M services. There is no need to install a communication module to significantly reduce the cost of purchasing a device, and provide a M2M service by dividing the service type according to the type of sensor. Therefore, it is very easy to apply the original sensor to the M2M service.

1 is a configuration diagram of a system for M2M service according to an embodiment of the present invention;
2 is a configuration diagram of the M2M router of FIG.
3 is a configuration diagram of a connection part of the M2M router of FIG. 2;
4 is a configuration diagram of a database stored in a sensor connection state storage unit of the connection unit of FIG. 3;
5 is a configuration diagram of a Session Description Protocol (SDP) stack of a service division unit of the router of FIG.
6 is a configuration diagram of a service provider of FIG. 2;
7 is a configuration diagram of the sensor of FIG. 1;
8 is an exemplary view of implementing a system for M2M service according to an embodiment of the present invention;
9 is a flowchart of a method for M2M service according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, like reference numerals are used to denote like elements in the drawings, even if they are shown in different drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a configuration diagram of a system for M2M service according to an embodiment of the present invention, as shown in the figure, the communication network 100, M2M router 200, user terminal 300, M2M control server 400 , M2M app server 500, and sensor 700.

The communication network 100 according to the present embodiment is one-way by connecting the M2M router 200, the user terminal 300, the M2M control server 400, and the M2M app server 500 by wire, wireless, and / or the Internet. Or any network alone or in combination allowing communication in both directions.

The M2M router 200 according to the present embodiment communicates with one or more various sensors 700 and communicates with the M2M control server 400 or the user terminal 300 through the communication network 100, and the user terminal 300 and the sensor. It is to be able to communicate directly or via the M2M control server 400 between the 700. In addition, the M2M router 200 may communicate with the M2M app server 500 to search for, download, and install necessary M2M applications.

The user terminal 300 according to the present embodiment may be, for example, a mobile communication terminal capable of at least one or more of voice communication, data communication, Internet communication, SNS, etc., a PDA, a smart phone, a tablet PC, and the like.

The M2M control server 400 according to the present embodiment communicates with the user terminal 300 and the M2M router 200 through the communication network 100, and provides information collected through the sensor 700 from the M2M router 200. Receive the M2M service.

The M2M app server 500 according to the present embodiment may register various M2M applications from an M2M service developer, build a database, and provide an M2M application according to a request from the M2M router 200.

The sensor 700 according to the present exemplary embodiment may be installed in various object devices (or devices) such as a refrigerator, a TV, a camera, and the like to collect information for M2M service, and to communicate with the M2M router 200. will be.

2 is a configuration diagram of the M2M router according to an embodiment of the present invention, which is a detailed configuration diagram of the M2M router 200 of FIG. 1, and as shown in the drawing, the connection unit 210, the service division unit 230, And a service provider 250.

The connection unit 210 according to the present embodiment is for connecting and communicating with one or more various sensors 700. When the connection of a specific sensor, unique information (eg, M2MID of FIG. 4) is stored and stored for the connection. If the connection is lost, the unique information can be deleted. In the present embodiment, the connection unit 210 may be short-range communication, for example, a communication method such as Zigbee, WiFi, WiFi-Direct, Bluetooth, or a controller area network (CAN), a universal serial bus (USB), and a secure digital (SDIO). Other communication schemes such as I / O) may be used to connect with the sensor 700.

The connection unit 210 according to the present embodiment may include a sensor connection state storage unit 211 and a sensor connection state management unit 213 as shown in FIG. 3. The sensor connection state storage unit 211 stores and stores the connection state information related to the connection in a database as shown in FIG. 4 when the connection with the specific sensor 700, and when the connection is disconnected, deletes the stored connection state information. The sensor connection state management unit 213 may control and manage the storage and deletion of the connection state information of the database and periodically check the sensor connection state.

As shown in FIG. 4, the connection state information according to the present embodiment may include first information M2MID for identifying a connection state between a corresponding sensor and a corresponding user when a specific sensor is connected, and a device related to the corresponding sensor (eg, , At least one of second information (Device ID) for identifying a device to which the sensor is attached, and third information indicating a connection method (eg, the above-mentioned short-range communication method) with the corresponding sensor. have.

In FIG. 2, the service divider 230 according to the present embodiment is for classifying a service type (provided by the sensor) according to the type of sensor connected through the connection unit 210, and includes a Session Description Protocol (SDP) stack. (stack)

As shown in FIG. 5, the SDP stack according to the present embodiment includes a first field for recording first information M2MID provided by the connection unit 210 and a service category according to the type of connected sensor. It may include a second field to record, and a third field to record the second information (Device ID) transmitted from the connection unit 210.

The format of the SDP according to the present embodiment is first information M2MID as a universally unique identifier (UUID), information indicating a service category, and second information indicating a service URL (Device URL). ID), etc. can be provided in combination with XML, and can be expressed as follows.

<? xml version = "1.0" encoding = "ISO-8859-1"?>

<SDP>

<M2MID> Connectivity ID </ M2MID>

<SC> Device type presentation ex. CCTV, CAR, Electronic </ SC>

<Service URL> Device ID </ Service URL>

In FIG. 2 again, the service provider 250 according to the present embodiment drives the M2M application corresponding to the service type divided by the service divider 230, and receives information from the sensor 700 connected through the connection unit 210. To collect and provide the M2M service to the user through communication with the M2M control server 400 or the user terminal 300 connected through the communication network based on the collected information. The service provider 250 may include an M2M platform 253 and an M2M application 251 as shown in FIG. 6.

The M2M platform 253 retrieves, downloads, installs, or drives the corresponding M2M application 251 from the M2M app server according to the type of service classified by the service separator 230.

The M2M platform 253 retrieves, downloads, and installs the M2M application matched to the corresponding sensor from the M2M app server 500 through the SDP stack, supports the M2M protocol for driving the M2M application, and at the M2M sensor 700. Delivers the transmitted data to the M2M control server 400 or the user terminal 300, and transfers the connection state of the M2M sensor 700 to the M2M control server 400 or the user terminal 300, and to drive the M2M application It can manage, manage multitasking (Multitasking) of the M2M application, and support the network scheduling (Scheduling) for each M2M application.

7 is a configuration diagram of the sensor 700 of FIG. 1, as shown in the drawing, a connection unit 710 for connecting and communicating in the same communication method as the connection unit 210 of the M2M router 200 of FIG. 2, It may include a device identification unit 730 for storing the second information (Device ID) for identifying the device, and a sensor function unit 750 for performing the sensor function.

The sensor 700 according to the present exemplary embodiment includes one module in which the above-described connection unit 710, the device identification unit 730, and the sensor function unit 750 are integrated, or each unit 710, 730, and 750 is a separate device. It can be configured as.

8 is an exemplary implementation of a system for M2M service according to an embodiment of the present invention, as shown in the figure, 3G / 4G communication network 100, M2M router 200 to correspond to the system of FIG. , A mobile device 300 as a user terminal 300, an M2M control server 400, an M2M app server 500, and a sensor 700.

The M2M router 200 includes a connection unit 210, a service division unit (SDP stack) 230, and a service provider unit (M2M Platform, M2M Appl.) 250.

The sensor 700 includes a connectivity 710, a device ID 730, and a sensor function 750.

9 is a flowchart of a method for M2M service according to an embodiment of the present invention, which is applied to the M2M router 200 of the system of FIG. 1 as described above. Explain in parallel with.

First, based on at least one communication method of Zigbee, WiFi, WiFi-Direct, Bluetooth, Controller Area Network (CAN), Universal Serial Bus (USB), and Secure Digital I / O (SDIO) through the connection unit 210. Connect and communicate with one or more of the various sensors, the connection unit 210 when the sensor is connected to give the first information (M2MID) as the unique information for identifying the connection state between the sensor and the user, and associated with the sensor Receiving second information (Device ID) for identifying the device from the sensor, and confirms the third information indicating the connection method (communication method) with the sensor, and includes at least one of the first to third information The connection state information is stored in the database structure as shown in FIG. 4, and when the connection with the corresponding sensor is disconnected, the stored state information is deleted (S901).

Next, the service type is classified according to the type of the device corresponding to the sensor connected in step S901 through the service divider 230 (S903). As described above with reference to FIG. First field for recording the first information (M2MID) given in the sensor connection step (S901), a second field for recording the service category according to the type of the connected sensor, and the above-mentioned second information (Device ID) A SDP stack can be used that includes a third field that records.

Next, the service provider 250 checks whether the M2M application corresponding to the service type distinguished in step S903 is already installed (S905), and if the corresponding M2M application is not already installed in the step S905, the M2M app The server 500 accesses the server, searches for, downloads and installs the corresponding M2M application based on the service type classified in step S903 (S907), and runs the corresponding M2M application that is already installed or downloaded and installed in step S907 ( S911), in step S901 collects information from the corresponding sensor 700 connected via the connection unit 210 (S911), communication with the M2M control server 400 or the user terminal 300 connected via the communication network 100 The M2M service is provided to the user based on the information collected in step S911 (S913).

As described above, the method for the M2M service according to the embodiment of the present invention may be implemented as a computer-readable recording medium including program instructions for performing various computer-implemented operations. The computer-readable recording medium may include a program command, a local data file, a local data structure, or the like, alone or in combination. The recording medium may be those specially designed and constructed for the embodiments of the present invention or may be those known to those skilled in the computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs and DVDs, magneto-optical media such as floppy disks, and ROMs, And hardware devices specifically configured to store and execute the same program instructions. The recording medium may be a transmission medium such as an optical or metal line, a wave guide, or the like, including a carrier wave for transmitting a signal designating a program command, a local data structure, or the like. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

100: Network
200: M2M Router
210:
211: sensor connection state storage unit
213: sensor connection state management unit
230: service division
250: service provider
251: M2M application
253: M2M platform
300: user terminal
400: M2M Control Server
500: M2M App Server
700: sensor
710: connection
730: device identification unit
750: sensor function

Claims (11)

A connection unit for communication with one or more various sensors;
A service division unit classifying service types according to types of devices corresponding to sensors connected through the connection unit; And
A service providing unit which collects information from the connected sensor and provides an M2M service based on the collected information through communication with an M2M control server or a user terminal connected through a communication network;
The connection unit may include first information for identifying a connection state of a corresponding sensor, second information for identifying a device associated with the corresponding sensor, and connection with the corresponding sensor, based on information provided by the sensor. And storing at least one or more of the third information representing the scheme, and deleting the stored information when the connection is lost. The method of claim 1,
The communication method of the connection unit includes at least one communication method of Zigbee, WiFi, WiFi-Direct, Bluetooth, Controller Area Network (CAN), Universal Serial Bus (USB), and Secure Digital I / O (SDIO). Router for M2M service. The method of claim 1,
The service provider drives an M2M application corresponding to the classified service type, collects information from the connected sensor under control of the driven application, and communicates with an M2M control server or a user terminal connected through a communication network. The router for the M2M service, characterized in that to provide an M2M service based on the collected information. The method of claim 1,
The service division unit includes a Session Description Protocol (SDP) stack, and the SDP stack includes a first field for recording first information provided by the connection unit, and a second type for recording a service type according to a type of a connected sensor. Field, and a third field for recording the second information transmitted from the connection unit. The method of claim 1,
The service provider includes an M2M platform and M2M applications, the M2M platform router for M2M services, characterized in that for searching, downloading, installing, or driving the corresponding M2M application from the M2M app server. An M2M service method performed by an M2M router connected to a sensor and connected to a user terminal through a communication network.
A sensor connection step of communicating with one or more various sensors in communication;
A service classification step of classifying a service type according to a type of a device corresponding to the connected sensor; And
Collecting information from the connected sensor and providing a M2M service based on the collected information through communication with an M2M control server or a user terminal connected through a communication network;
In the sensor connection step, at least one of first information for identifying a connection state of a corresponding sensor, second information for identifying a device associated with a corresponding sensor, and third information indicating a connection method with the corresponding sensor when the sensor is connected; And storing the at least one stored information and deleting the stored information when the connection is lost. The method according to claim 6,
The communication method in the sensor connection step includes at least one communication method of Zigbee, WiFi, WiFi-Direct, Bluetooth, Controller Area Network (CAN), Universal Serial Bus (USB), and Secure Digital I / O (SDIO). Method for M2M service, characterized in that. The method according to claim 6,
In the service providing step, an M2M application corresponding to the classified service type is driven to collect information from the connected sensor under control of the driven application, and communication with an M2M control server or a user terminal connected through a communication network is performed. Method for M2M service, characterized in that to provide an M2M service based on the collected information through. The method according to claim 6,
And an SDP stack including a first field for recording the first information provided in the sensor connection step, a second field for recording the service type according to the type of the connected sensor, and a third field for recording the second information. And using the SDP stack in the service division step. The method according to claim 6,
If the M2M application corresponding to the classified service type is not already installed, the method may further include searching for, downloading, and installing the corresponding M2M application from the M2M app server based on the classified service type. Method for M2M service. A computer-readable recording medium in which the method for the M2M service of any one of claims 6 to 10 is recorded by a program.

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