KR101194627B1 - Gateway Apparatus for Controlling Devices and Operating Method thereof - Google Patents

Abstract

The present invention relates to a gateway device for controlling a device to control an indoor device through communication with a gateway device using a mobile communication terminal, and a method of operating the same.

The present invention provides a database for storing information associated with a gateway device; When receiving a home network access request message transmitted from a mobile communication terminal, an IP for controlling a home device is allocated from a mobile communication network through a Point-to-Point Protocol (PPP), and an indoor device control mode based on a WAP communication is provided. After switching to the terminal, the terminal connection unit for transmitting the IP to the mobile communication terminal; The device state information transmitted from the indoor device in real time is stored in the database, the device state information is extracted from the database according to the device state information request signal transmitted from the mobile communication terminal, and transmitted to the mobile communication terminal, and transmitted from the mobile communication terminal. When a device status control request signal is received, a device control manager which transmits it to a wireless local area communication module or a PLC modem unit to control the corresponding indoor device does not need to separately establish an operator server for controlling the indoor device. Therefore, there is an advantage that can reduce the cost to implement a wireless home network.

Description

Gateway Apparatus and Controlling Method for Device Control

1 is a view showing a connection relationship between a gateway device and a communication network according to the present invention;

2 is a view showing in detail the configuration of a gateway device according to the present invention;

3 is a view showing in detail the configuration of a mobile communication terminal according to the present invention;

4 is a flowchart illustrating an IP allocation method for device control according to the present invention;

5 is a flowchart illustrating a device control method according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: mobile communication terminal 110: wireless communication unit

130: application storage unit 150: device control unit

170: terminal control unit 200: mobile communication network

220: Internet 300: WAP gateway device

400: gateway device 410: mobile communication modem unit

420: terminal connection unit 430: device control management unit

440: PLC modem unit 450: wireless short-range coordinator module

460: Database 500: PLC Control Device

600: wireless short range control device 610, 710: wireless short range node module

700: sensor

The present invention relates to a gateway device for controlling a device and a method of operating the same, and more particularly, to a gateway device and a method for operating the device for controlling an indoor device through communication with the gateway device using a mobile communication terminal. It is about.

Home networking technology is largely divided into wired and wireless, and various technologies and standards exist, and the need for integrated standards is increasing day by day. Currently, the existing wired and wireless home networking technologies include wired Ethernet, home PNA, power line communication (PLC), IEEE 1394, and wireless. Zigbee.

Among the existing digital home network methods, power line communication (PLC) is a method of converting a communication signal into a high frequency signal of 100 kHz to 30 MHz using a power line installed in a home or office, and receiving it using a high frequency filter. Is one of the most popular wireless home networking technologies. It can transmit data at 250kbps within a radius of 30m and can connect 255 devices to one wireless network.

The conventional digital home network technology as described above is mainly developed to control a device in a premises remotely from the outside. When a user needs to control a device in a premises, the user directly controls the device by hand. The disadvantage is that it is very cumbersome and inconvenient to control or to view and control the menu screen using a television or a personal computer.

Meanwhile, in order to implement the digital home network technology, a separate operator server is configured to store state information of an indoor device transmitted from the gateway device and transmit an indoor device state control signal to the gateway device according to a user's request.

However, in order to construct and manage the operator server, a server construction cost and a maintenance cost are incurred, which makes it difficult to implement a digital home network technology.

The present invention has been made to solve the above-described problems, the device for communicating with the gateway device based on the IP for the WAP communication using the mobile communication terminal for controlling the device to be able to control the device provided in the home There is a technical problem to provide a gateway device and its operation method.

The present invention for achieving the above object is a mobile communication modem for performing TCP / IP communication through a mobile communication network, wireless short-range communication module for wireless local area communication with the indoor device and PLC power communication with the indoor device A gateway device for remotely controlling an indoor device having a PLC modem unit for

A database that stores information associated with the gateway device; When receiving a home network access request message transmitted from a mobile communication terminal, an IP for controlling an indoor device is allocated from the mobile communication network through a point-to-point protocol (PPP), and an indoor device control based on a WAP communication is performed. After switching to the mode, the terminal connection unit for transmitting the IP to the mobile communication terminal; Storing device state information transmitted from a premises device in real time in the database, extracting the corresponding device state information from the database according to a device state information request signal transmitted from a mobile communication terminal, and transmitting the device state information to a mobile communication terminal; And a device control management unit for receiving the device status control request signal transmitted from the terminal and transmitting the same to the wireless local area communication module or the PLC modem unit to control the corresponding indoor device.

Another embodiment of the present invention includes a mobile communication modem unit for performing TCP / IP communication through a mobile communication network, a wireless local area communication module for wireless local area communication with an indoor device, and a PLC modem unit for PLC power communication with an indoor device. A method of operating a gateway device for remotely controlling an indoor device,

a) receiving a home network access request message transmitted from a mobile communication terminal, allocating an IP for controlling an indoor device from the mobile communication network through a point-to-point protocol (PPP); b) switching to an on-premises device control mode based on a WAP communication and transmitting a message including the IP to the mobile communication terminal; c) when the device status information request signal transmitted based on the IP is received from the mobile communication terminal, extracting device state information previously stored and transmitting the extracted device status information to the mobile communication terminal; and d) receiving a device state control request signal transmitted based on the IP from the mobile communication terminal, and transmitting the device state control request signal to the wireless local area communication module or the PLC modem unit to control the corresponding indoor device.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a connection relationship between a gateway device and a communication network according to the present invention.

As shown, the gateway device 400 of the present invention collects and stores state information of various home network devices (including, for example, a wireless local area control device, a PLC control device, and a sensor), and stores a WAP (WAP). An apparatus for controlling a device provided in a home according to a control request transmitted from a mobile communication terminal 100 based on communication. For example, the wireless short range control device is a light, a curtain or the like, the PLC control device is a refrigerator, a washing machine, an air conditioner, a heater, and the like, and the sensors are a fire sensor, a door sensor, a gas sensor, a window sensor, and the like.

Herein, when the gateway device 400 receives a home network connection request from the mobile communication terminal 100, the gateway device 400 receives an IP for controlling an indoor device from the mobile communication network 200 through a Point-to-Point Protocol (PPP). After switching to the indoor device control mode based on WAP communication, IP is transmitted to the mobile communication terminal 100.

In the present invention, the gateway device 400 includes a mobile communication modem for enabling wireless section communication with the base station, and via the WAP gateway device 300 and the mobile communication network 200 section and the Internet 220 section. Performs TCP / IP socket communication using Point-to-Point Protocol (PPP).

In addition, the gateway device 400 controls a device for a home network using a PLC method and a wireless local area communication method.

2 is a diagram showing in detail the configuration of a gateway device according to the present invention.

As illustrated, the gateway device 400 includes a mobile communication modem unit 410, a terminal connection unit 420, a device control management unit 430, a PLC modem unit 440, a wireless local area coordinator module 450, and a database 460. It is configured to include).

In more detail, the mobile communication modem unit 410 transmits / receives state management / control information with the mobile communication terminal 100 through TCP / IP socket communication using PPP.

When the terminal access unit 420 receives the home network access request message transmitted from the mobile communication terminal 100, the terminal access unit 420 receives an IP for controlling the indoor device from the mobile communication network 200 through a Point-to-Point Protocol (PPP). After switching to the indoor device control mode based on WAP communication, IP is transmitted to the mobile communication terminal 100 (in the form of a short message).

Herein, when the terminal access unit 420 is assigned an IP from the mobile communication network 200 and switches to the indoor device control mode based on the WAP communication, the terminal access unit 420 sends a connection request signal to the WAP gateway device 300 using the IP. Check whether the connection status is successful by sending.

The device control manager 430 stores the device state information transmitted from the indoor devices 500, 600, and 700 in real time in the database 460, and according to the device state information request signal transmitted from the mobile communication terminal 100. The device state information is extracted from the terminal 460 and transmitted to the mobile communication terminal 100.

In addition, when the device control manager 430 receives the device state control request signal transmitted from the mobile communication terminal 100, the device control manager 430 transmits the device state control request signal to the wireless local area coordinator module 450 or the PLC modem unit 440 to control the corresponding indoor device. Do it.

The PLC modem unit 440 and the wireless local area coordinator module 450 communicate with indoor devices (for example, a PLC control device, a wireless local area control device, a sensor, and the like) to control remote state and state information of the indoor device to be controlled. A module for acquiring a signal and transmitting a control signal to an indoor device, wherein the PLC modem unit 440 is for controlling a device for a home network through a power line communication method, and the wireless local area coordinator module 450 is a wireless local node module 610. , 710 is a device for controlling a home network equipped with a wireless local area communication method.

3 is a view showing in detail the configuration of a mobile communication terminal according to the present invention.

As illustrated, the mobile communication terminal 100 includes a wireless communication unit 110, an application storage unit 130, a device control unit 150, and a terminal control unit 170.

First, the terminal controller 170 includes a controller, an input unit, a memory, a display unit, and an output unit that provide a function generally required to implement a call service. The overall operation of the mobile communication terminal 100 is performed. Control unit for controlling the control unit, an input unit for input control of the mobile communication terminal, a memory for storing various data, a display unit for indicating the current state of the mobile communication terminal or the event processing state requested by the user, and when using a voice call service or a data service. Since the output unit for providing the necessary data by hearing is a general configuration of the mobile communication terminal, a detailed description thereof will be omitted.

The wireless communication unit 110 is a component for performing wireless communication.

The application storage unit 130 is connected to the gateway device 400 based on the swap communication using the IP transmitted from the gateway device 400 to store an application for controlling the indoor device.

The device controller 150 transmits a home network connection request message for requesting a home network connection to the gateway device 400 by using a preset identification number (for example, a phone number for transmitting a short message to the gateway device). Subsequently, the state of the indoor device is controlled by performing communication with the gateway device 400 based on the IP transmitted from the gateway device 400.

4 is a flowchart illustrating an IP allocation method for device control according to the present invention.

When the gateway device 400 receives a home network connection request message transmitted from the mobile communication terminal 100 (S101), the gateway device 400 controls an IP for controlling an indoor device from the mobile communication network 200 through a Point-to-Point Protocol (PPP). Is assigned (S103).

Subsequently, when the gateway device 400 is assigned an IP from the mobile communication network 200 in step S103 and switches to the indoor device control mode based on the WAP communication, the gateway device 400 connects to the WAP gateway device 300 using the IP. Check whether the connection state is successful by transmitting the (S105).

Subsequently, when the connection with the WAP gateway device 300 is successfully established, the gateway device 400 transmits an IP allocated from the mobile communication network 200 to the mobile communication terminal 100 in the form of a short message (S107).

Although not shown, the mobile communication terminal 100 communicates with the gateway device 400 via a communication network based on the IP received from the gateway device 400 and controls the indoor device.

5 is a flowchart illustrating a device control method according to the present invention.

When the gateway device 400 receives device state information transmitted in real time from the indoor devices 500, 600, and 700 (S201), the gateway device 400 stores the device state information in the database 460 (S203).

Subsequently, the gateway device 400 receives a home network connection request signal for controlling an indoor device, which the mobile communication terminal 100 transmits based on the IP provided by the method disclosed in the detailed description of FIG. 4 (S205). .

When the gateway device 400 receives the device status information request signal transmitted based on the IP from the mobile communication terminal 100 (S207), the gateway device 400 extracts the device state information previously stored in the database 460 and the mobile communication terminal 100. To transmit (S209).

Subsequently, when the gateway device 400 receives the device state control request signal transmitted based on the IP from the mobile communication terminal 100 (S211), the gateway device 400 transmits it to the wireless local coordinator module 450 or the PLC modem unit 440. It transmits to control the corresponding indoor device (S213).

The wireless local area coordinator module 450 or the PLC modem unit 440 transmits a state control signal to the corresponding indoor device according to the device state control request signal transmitted from the mobile communication terminal 100.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

As described above, the gateway device for controlling the device and an operation method thereof have an advantage that the user can control the indoor device by using the mobile communication terminal.

In addition, since the present invention does not need to separately establish an operator server for controlling the indoor devices, there is an advantage that the cost can be reduced to implement a wireless home network.

Claims (6)

delete The indoor device includes a mobile communication modem unit for performing TCP / IP communication through a mobile communication network, a wireless local area communication module for wireless local area communication with an indoor device, and a PLC modem unit for PLC power communication with the indoor device. A gateway device for remote control, A database that stores information associated with the gateway device; When receiving a home network access request message transmitted from a mobile communication terminal, an IP for controlling an indoor device is allocated from the mobile communication network through a point-to-point protocol (PPP), and an indoor device control based on a WAP communication is performed. After switching to the mode, the terminal connection unit for transmitting the IP to the mobile communication terminal; And Storing device state information transmitted from a premises device in real time in the database, extracting the corresponding device state information from the database according to a device state information request signal transmitted from a mobile communication terminal, and transmitting the device state information to a mobile communication terminal; A device control management unit for receiving a device state control request signal transmitted from a terminal and transmitting the same to a wireless local area communication module or a PLC modem unit to control a corresponding indoor device; , &Lt; / RTI & The mobile communication terminal, An application storage unit for accessing the gateway device based on swap communication using the IP and storing an application for controlling an indoor device; And The home network connection request message for requesting home network access is transmitted to the gateway device using a preset identification number, and then the communication with the gateway device is performed on the basis of the IP transmitted from the gateway device. A device control unit for controlling; Gateway device for device control comprising a. The indoor device includes a mobile communication modem unit for performing TCP / IP communication through a mobile communication network, a wireless local area communication module for wireless local area communication with an indoor device, and a PLC modem unit for PLC power communication with the indoor device. A gateway device for remote control, A database that stores information associated with the gateway device; When receiving a home network access request message transmitted from a mobile communication terminal, an IP for controlling an indoor device is allocated from the mobile communication network through a point-to-point protocol (PPP), and an indoor device control based on a WAP communication is performed. After switching to the mode, the terminal connection unit for transmitting the IP to the mobile communication terminal; And Storing device state information transmitted from a premises device in real time in the database, extracting the corresponding device state information from the database according to a device state information request signal transmitted from a mobile communication terminal, and transmitting the device state information to a mobile communication terminal; A device control management unit for receiving a device state control request signal transmitted from a terminal and transmitting the same to a wireless local area communication module or a PLC modem unit to control a corresponding indoor device; , &Lt; / RTI & The gateway device is connected to the WAP gateway device through a communication network, When the terminal access unit is assigned an IP from the mobile communication network and switches to a home device control mode based on a WAP communication, whether the access state is successful by transmitting an access request signal to the WAP gateway device using the IP. Gateway device for device control, characterized in that for checking whether or not. The indoor device includes a mobile communication modem unit for performing TCP / IP communication through a mobile communication network, a wireless local area communication module for wireless short-range communication with the indoor device, and a PLC modem unit for PLC power communication with the indoor device. As a method of operation of a gateway device for remote control, a) receiving an home network access request message transmitted from a mobile communication terminal, allocating an IP for controlling an indoor device from the mobile communication network through a point-to-point protocol (PPP); b) switching to an on-premises device control mode based on a WAP communication and transmitting a message including the IP to the mobile communication terminal; c) when the device status information request signal transmitted based on the IP is received from the mobile communication terminal, extracting device state information previously stored and transmitting the extracted device status information to the mobile communication terminal; And d) receiving a device state control request signal transmitted based on the IP from the mobile communication terminal, and transmitting the device state control request signal to the wireless local area communication module or the PLC modem unit to control the corresponding indoor device; Method of operation of the gateway device for device control comprising a. The method of claim 4, wherein The gateway device, And receiving device state information transmitted in real time from the indoor device, and storing the device state information. The method according to claim 4 or 5, The gateway device is connected to the WAP gateway device through a communication network, In step b), When an IP is allocated from the mobile communication network and switched to a WAP communication-based indoor device control mode, a connection request signal is transmitted to the WAP gateway device using the IP to check whether the connection is successful. Method of operation of a gateway device for device control, characterized in that.

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