KR20110040292A - Mobile terminal and method of connecting wlan ad-hoc using the same - Google Patents

Abstract

PURPOSE: A mobile terminal and a method for connecting WLAN ad-hoc using the same are provided to remarkably reduce the complex process for inputting and setting various kinds of information. CONSTITUTION: A control unit receives a user command for transmitting ad-hoc connection information or generating WLAN(Wireless Local Area Network) ad-hoc connection information(S100). According as the command of the user is received, the control unit automatically generates ad-hoc connection information for WLAN ad-hoc connection(S110). The control unit transfers generated ad=hoc connection information to other terminals(S120). The control unit transmits or receives the connection request(S130), and enables the connection with the other terminals(S140).

Description

Mobile terminal and method of connecting WLAN ad hoc using the same {Mobile Terminal And Method Of Connecting WLAN Ad-hoc Using The Same}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile terminal, and more particularly, to a mobile terminal and a WLAN ad-hoc connection method using the same, which enables a very simple and efficient connection for WLAN ad-hoc communication between a plurality of mobile terminals.

In order to perform WLAN Ad-hoc communication defined by the IEEE 802.11 standard group between conventional mobile terminals, users of each of the mobile terminals have had to input and set complicated information.

Therefore, in the conventional mobile terminals, despite the fact that the communication chip (chip) for providing the WLAN Ad-hoc communication function is provided, despite the advantages of the WLAN Ad-hoc communication, there are few users using it.

An object of the present invention is to provide a mobile terminal and a WLAN ad-hoc connection method using the same, which can perform a simple and efficient connection for WLAN ad-hoc communication without going through a complicated information input and setup process.

WLAN ad hoc connection method of a mobile terminal according to the first aspect of the present invention is a method for connecting a WLAN (Wirelees LAN) ad-hoc defined in the IEEE 802.11 standard group in the mobile terminal, the method for the ad hoc connection Automatically generating ad hoc connection information including first configuration information for the mobile terminal and second configuration information for a terminal different from the mobile terminal; Transmitting the ad hoc connection information to the other terminal; And the ad hoc connection with the other terminal based on the ad hoc connection information according to the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal. It comprises a step of performing.

WLAN ad hoc connection method of a mobile terminal according to a second aspect of the present invention is a method for connecting a WLAN (Wirelees LAN) ad-hoc defined in the IEEE 802.11 standard group in the mobile terminal, the method for the ad hoc connection Receiving, from the other terminal, ad hoc connection information including first configuration information for the mobile terminal and second configuration information for a terminal different from the mobile terminal; And the ad hoc connection with the other terminal based on the ad hoc connection information according to the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal. It comprises a step of performing.

According to a third aspect of the present invention, there is provided a mobile terminal, comprising: a short-range communication module for providing a wireless LAN (WLAN) ad-hoc communication function defined by an IEEE 802.11 standard group; And automatically generate ad hoc connection information for the ad hoc connection, including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal, and generating the ad hoc connection information for the other terminal. And the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal, based on the ad hoc connection information. It includes a control for performing an ad hoc connection.

According to a fourth aspect of the present invention, there is provided a mobile terminal, comprising: a short-range communication module for providing a WLAN (Advanced LAN) Ad-hoc communication function defined by an IEEE 802.11 standard group; Receiving ad hoc connection information for the ad hoc connection from the other terminal, the ad hoc connection information including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal; And a controller configured to perform the ad hoc connection with the other terminal based on the ad hoc connection information according to the ad hoc connection request transmitted to the terminal or the ad hoc connection request received from the other terminal to the mobile terminal. .

According to the mobile terminal and the WLAN ad hoc connection method using the same according to the present invention, a complicated process in which a user needs to input and set various information for WLAN ad hoc connection is greatly reduced or eliminated at the source, and through a very simple request or command. There is an effect that a WLAN ad hoc connection can be made.

The above objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like numbers refer to like elements throughout. In addition, when it is determined that the detailed description of the known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 shows an example of a system environment in which the present invention may be applied. The present invention can be applied in a wireless LAN (WLAN) Ad-hoc communication environment defined by the IEEE 802.11 standard group.

For example, referring to FIG. 1, the present invention provides a mobile terminal 100, at least one other terminal 200 capable of performing WLAN ad hoc communication with the mobile terminal 100, and a WLAN ad hoc network 10. It can be applied to a system environment including).

The other terminal 200 illustrated in FIG. 1 includes a first other terminal 200a, a second other terminal 200b, and a third other terminal 200c. However, the number of the other terminals 200 to which the present invention is applied or the number of the other terminals 200 actually participating in WLAN ad hoc communication is not limited in principle.

When the WLAN ad hoc communication is performed between the mobile terminal 100 and the other terminal 200, there is an advantage that can be used in various applications due to the high transmission speed. For example, various files may be shared, chatting, games, etc., between the mobile terminal 100 and the other terminal 200.

Hereinafter, a mobile terminal 100 and another terminal 200 according to the present invention will be described in more detail with reference to the accompanying drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.

The mobile terminal 100 and the other terminal 200 described in the present specification include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), and a portable multimedia player (PMP). , Navigation, etc. may be included.

The mobile terminal 100 and the other terminal 200 may perform WLAN ad hoc communication with each other and may be different types or terminals of the same type.

Hereinafter, the mobile terminal 100 will be described.

2 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory unit 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in FIG. 2 are not essential, so that a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link (MediaFLO). Digital broadcast signals can be received using digital broadcasting systems such as only), digital video broadcast-handheld (DVB-H), integrated services digital broadcast-terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory unit 160.

The mobile communication module 112 transmits and receives a wireless signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. The location information module 115 may obtain location information using a global navigation satellite system (GNSS). Here, the Global Positioning System (GNSS) is a term used to describe the radionavigation satellite systems in which certain types of radionavigation receivers orbiting the Earth are transmitting reference signals that can determine their position near the surface or ground surface . The Global Satellite Navigation System (GNSS) includes Global Position System (GPS) operated in the United States, Galileo operated in Europe, Global Orbiting Navigational Satelite System (GLONASS) operated in Russia, COMPASS operated in China and Japan's QZSS (Quasi-Zenith Satellite System).

As a representative example of the GNSS, the location information module 115 may be a Global Position System (GPS) module. The GPS module calculates information on a distance (distance) from three or more satellites to a point (object), information on a time when the distance information is measured, and then applies a trigonometric method to the calculated distance information, Dimensional position information according to latitude, longitude, and altitude with respect to a point (object) in the three-dimensional space. Furthermore, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module continuously calculates the current position in real time, and calculates velocity information using the current position.

Referring to FIG. 2, the A / V input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame may be displayed on the display unit 151.

The image frame processed by the camera 121 may be stored in the memory unit 160 or transmitted to the outside through the wireless communication unit 110. The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like.

The sensing unit 140 detects a current state of the mobile terminal 100 such as an open / closed state of the mobile terminal 100, a location of the mobile terminal 100, presence or absence of a user contact, orientation of the mobile terminal, acceleration / deceleration of the mobile terminal, and the like. To generate a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, it may be responsible for sensing functions related to whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to an external device, and the like. The sensing unit 140 may include a proximity sensor 141.

The output unit 150 is used to generate an output related to visual, auditory, or tactile, and may include a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154. have.

The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, the mobile terminal displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays photographed and / or received images, a UI, and a GUI.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is a transparent LCD. The rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the implementation form of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

When the display unit 151 and a sensor for detecting a touch operation (hereinafter, referred to as a touch sensor) form a mutual layer structure (hereinafter, abbreviated as “touch screen”), the display unit 151 is an output device. It can also be used as an input device. The touch sensor may have, for example, a form of a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor may be configured to detect not only the position and area of the touch but also the pressure at the touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and then transmits the corresponding data to the controller 180. As a result, the controller 180 can know which area of the display unit 151 is touched.

The proximity sensor may be disposed in an inner region of the mobile terminal covered by the touch screen or near the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without using a mechanical contact by using an electromagnetic force or infrared rays. Proximity sensors have a longer life and higher utilization than touch sensors.

Examples of the proximity sensor include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor.

When the touch screen is capacitive, the touch screen is configured to detect the proximity of the pointer by the change of the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." The position where the proximity touch is performed by the pointer on the touch screen refers to a position where the pointer is perpendicular to the touch screen when the pointer is in proximity proximity.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.

The sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory unit 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output module 152 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The sound output module 152 may include a receiver, a speaker, a buzzer, and the like. In addition, the sound output module 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, key signal input, and touch input. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may also be output through the display unit 151 or the sound output module 152.

The haptic module 154 generates various tactile effects that the user can feel. Vibration is a representative example of the haptic effect generated by the haptic module 154. The intensity and pattern of vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or may be sequentially output.

In addition to the vibration, the haptic module 154 may be used for the effects of stimulation by the arrangement of pins vertically moving with respect to the contact skin surface, the effect of the injection force of the air through the injection or inlet or the stimulation through the suction force, and the stimulation that rubs the skin surface. Various tactile effects may be generated, such as effects by stimulation through contact of electrodes, effects by stimulation using electrostatic force, and effects of reproducing a sense of warmth and heat using an endothermic or heat generating element.

The haptic module 154 may not only deliver the haptic effect through direct contact, but also implement the haptic effect through the muscle sense of the user's finger or arm. Two or more haptic modules 154 may be provided according to a configuration aspect of the mobile terminal 100.

The memory unit 160 may store a program for the operation of the controller 180 and may temporarily store input / output data (for example, a phone book, a message, a still image, a video, etc.). The memory unit 160 may store data regarding vibration and sound of various patterns output when a touch input on the touch screen is performed.

The memory unit 160 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), Random Access Memory (RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM) Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory unit 160 on the Internet.

The interface unit 170 serves as a path with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip that stores various types of information for authenticating the usage rights of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identify module (SIM), and a universal user authentication module ( Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered to the terminal. Various command signals or power input from the cradle may be operated as signals for recognizing that the mobile terminal is correctly mounted on the cradle.

The control unit 180 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like. The controller 180 may include a multimedia module 181 for playing multimedia. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, respectively.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

Various embodiments described herein may be implemented in a recording medium readable by a computer or similar device using, for example, software, hardware or a combination thereof.

According to a hardware implementation, embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), and the like. It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing the functions. It may be implemented by the controller 180.

In a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that allow at least one function or operation to be performed. The software code may be implemented by a software application written in a suitable programming language. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

Hereinafter, embodiments of the present invention will be described.

It is clear from this document that the number of other terminals 200 for performing WLAN ad hoc communication with the mobile terminal 100 may be singular or plural.

3 is a flowchart of a WLAN ad hoc connection method of a mobile terminal according to a first embodiment of the present invention. 4 to 11 are diagrams for explaining a WLAN ad hoc connection method of a mobile terminal according to a first embodiment of the present invention.

The WLAN ad hoc connection method of the mobile terminal according to the first embodiment of the present invention may be implemented in the system environment and the mobile terminal 100 described with reference to FIGS. 1 and 2. Hereinafter, a WLAN ad hoc connection method of a mobile terminal according to the first embodiment of the present invention and the operation of the mobile terminal 100 for implementing the same will be described in detail.

Referring to FIG. 3, the controller 180 receives a user's command for generating WLAN ad hoc connection information or transmitting the ad hoc connection information [S100].

4 shows an example of a user interface associated with the processing of WLAN ad hoc connection information. Referring to FIG. 4, the controller 180 may provide a user interface related to generation and transmission of the WLAN ad hoc connection information.

As illustrated in FIG. 4, the user interface includes a first menu 20 for generating a widget (or an icon) related to the WLAN ad hoc connection information and a second for transmitting the WLAN ad hoc connection information in a message form. It may include a menu 21.

The first menu 20 generates a widget (or icon) corresponding to the WLAN ad hoc connection information, so that the user can transmit the WLAN ad hoc connection information through the generated widget (or icon) as described below. Make it easy to edit.

As described below, the second menu 21 is a menu for controlling the WLAN ad hoc connection information to be transmitted to an external terminal in a message form.

When the user selects the first menu 20 or the second menu 21, the controller 180 automatically generates WLAN ad hoc connection information, as described below.

The controller 180 automatically generates ad hoc connection information for WLAN ad hoc connection in response to the user's command [S110]. The controller 180 automatically generates configuration information for WLAN ad hoc connection, thereby eliminating the need for a user to input / set the configuration information.

The ad hoc connection information automatically generated in step S110 may include first setting information about the mobile terminal 100 and second setting information about the other terminal 200.

The first setting information may include, for the mobile terminal 100, setting information about WLAN, setting information about IP, and a unique identifier that can represent the mobile terminal 100. have.

In addition, the second configuration information includes configuration information regarding WLAN, configuration information regarding IP (internet protocol), and a unique ID that can represent the other terminal 200 with respect to the other terminal 200. can do.

When there are a plurality of different terminals 200, the second setting information may be generated for each terminal. For example, in FIG. 1, when the mobile terminal 100 assumes WLAN ad-hoc communication with respect to the first other terminal 200a and the second other terminal 200b, the second setting information may be determined by the second setting information. Each of the other terminal 200a and the second terminal 220b may be generated.

Each WLAN setting information for the mobile terminal 100 and the other terminal 200 may include a Service Set Identifier (SSID), an encryption scheme, and a key related to the encryption scheme.

The SSID may be composed of a combination of a prefix and a random number predetermined or set by a user.

The encryption scheme may be specified by a user or set as a default according to a predetermined value. The encryption scheme may vary. For example, the encryption scheme may include an OPEN scheme, a WEP scheme, a WPA scheme, a WPA2 scheme, and the like.

The key value associated with the encryption scheme may be determined by a user or generated as a random number using a random number generator.

In addition, each IP setting information for the mobile terminal 100 and the other terminal 200 may include an IP address and a subnet.

Here, some of the information included in the first configuration information and the information included in the second configuration information may be generated to be the same for the WLAN ad hoc communication connection defined by the IEEE 802.11 standard group.

For example, the SSID included in the first configuration information and the SSID included in the second configuration information may be the same as “P2P_CONNECT_7652” or “WLAN_ADHOC_1111”.

Also, for example, the encryption scheme included in the first configuration information and a key value thereof and the encryption scheme included in the second configuration information and the key value thereof may be the same.

For example, the subnet included in the first configuration information and the subnet included in the second configuration information may be identical to each other, such as "255.255.255.0".

Some of the information included in the first configuration information and the information included in the second configuration information may be generated differently for identification of the corresponding terminal 100 or 200.

For example, the IP address included in the first configuration information is different from the IP address included in the second configuration information. For example, an IP address of “192.168.0.1” is generated for the mobile terminal 100, an IP address of “192.168.0.2” is generated for the first other terminal 200a, and the second other address is generated. For the terminal 200b, an IP address of "192.168.0.3" may be generated, and for the third other terminal 200c, an IP address of "192.168.0.4" may be generated.

In addition, a unique ID representing the mobile terminal 100 and a unique ID representing the other terminal 200 are different from each other. The unique ID corresponding to each terminal may be generated in various forms.

For example, the unique ID may be a phone number corresponding to each terminal. Also, for example, the unique ID may be a combination of a predetermined prefix and a random number generated differently for each terminal.

The controller 180 may provide a user interface for selecting various options for generating ad hoc connection information for the mobile terminal 100 and the other terminal 200.

5-7 illustrate examples of a user interface for selecting options for generating ad hoc connection information.

For example, when the user selects the advanced menu 22 in the user interface illustrated in FIG. 4, the controller 180 may provide the screen illustrated in FIG. 5.

As shown in FIG. 5, the controller 180 may provide a first selection area 30 for generating the WLAN configuration information and a second selection area 40 for generating the IP configuration information. have.

The first selection area 30 includes a first check box 31 for selecting an option to automatically generate the WLAN setting information, and a second check that allows a user to set details regarding the WLAN setting information. It may include a box 32.

When the user selects the first menu 20 illustrated in FIG. 4 while the user selects the first check box 31, the controller 180 causes the WLAN setting information to be generated by default. do.

For example, the controller 180 generates the SSID to be configured by combining a predetermined keyword (for example, P2P_Connet) and a random number, and sets the encryption method to the WEP method and the WEP method. The key value can be generated automatically.

6 shows an example of a user interface that allows a user to set details regarding the WLAN setting information.

For example, when the user selects the second check box 32 in FIG. 5, the controller 180 may provide the screen shown in FIG. 6.

Referring to FIG. 6, a user may input or select detailed information desired by the user. The controller 180 may provide an input window 33 through which a user may input text constituting information to be used as an SSID, and a check box 35 to select an encryption method.

When the user selects the "next" button 45 illustrated in FIGS. 5 and 6, the controller 180 may provide the screen illustrated in FIG. 7.

7 illustrates an example of a screen for selecting a transmission method of the WLAN ad hoc connection information. For example, referring to FIG. 7, the controller 180 provides a check box 46 for selecting a transmission method, and a user can transmit one of the default, Bluetooth, MMS, and email transmission methods. Can be selected.

When a user selects a default from the screen shown in FIG. 7, the controller 180 may transmit the WLAN ad hoc connection information to the other terminal 200 in a preset manner by default among various transmission schemes.

In addition, the second selection area 40 may include a third check box 41 for selecting an option to automatically generate the IP setting information, and a fourth user setting the details of the IP setting information. It may include a check box 42.

When the user selects the first menu 20 illustrated in FIG. 4 while the user selects the third check box 41, the controller 180 causes the IP setting information to be generated by default. do.

For example, the controller 180 may generate an IP address in the form of “10.0.0.X” or “192.68.0.X” and generate a subnet as “255.255.255.0”. In the example of the IP address, the portion corresponding to "X" may be generated as a random number.

In addition, when the user selects the fourth check box 42, the controller 180 may provide a user interface similar to the example illustrated in FIG. 6.

The controller 180 may generate a widget or a shortcut icon corresponding to the WLAN ad hoc connection information generated by various methods on the background screen of the display unit 151 or the screen of another application.

8 illustrates an example in which an icon 50 corresponding to the generated WLAN ad hoc connection information is generated on a background screen of the display unit 151.

When the user selects the icon 50, the controller 180 transmits WLAN ad hoc connection information corresponding to the icon 50 to the other terminal 200 or transmits the WLAN ad hoc connection information. A user interface for selecting the other terminal 200 may be provided.

The controller 180 may transmit the ad hoc connection information automatically generated in step S110 to the other terminal 200 [S120].

The step S120 may be performed by various conditions.

For example, according to the user's command received in step S100, step S110 and step S120 may be performed.

Also, for example, when receiving a transmission command for the ad hoc connection information automatically generated in step S110 from the user, step S120 may be performed.

As described above, the controller 180 may transmit the generated ad hoc connection information to the other terminal 200 through various communication methods.

For example, the ad hoc connection information may include the other terminal 200 by a short range communication method including at least one of Bluetooth, Infrared Communication (IrDA), Ultra-Wideband (UWB), and Near Field Communication (NFC). ) May be sent.

When the ad hoc connection information is transmitted by a specific local area communication method, the ad hoc connection information may be transmitted to the other terminal 200 according to a communication protocol determined by the specific local area communication method. Here, depending on the communication protocol determined by the specific short-range communication method, it may be necessary to search or scan between the mobile terminal 100 and the other terminal 200.

Also, for example, the ad hoc connection information may be transmitted to the other terminal 200 by a message. The message may include at least one of a message by a short message service (SMS), a message by a multimedia messaging system (MMS), and an e-mail.

An example of the form of the message is as follows.

The message may include, as header information, an identifier (for example, 4 bytes) indicating that the current message includes WLAN ad hoc connection information rather than a general message.

The message may include an SSID (for example, 32 bytes or less), IP information, security information, and the like, which is the name of the currently configured IBSS.

Meanwhile, the message may be automatically changed in form according to its capacity. For example, the message may be automatically determined in one of SMS and MMS according to its capacity.

In this document, it is apparent that the communication method for the ad hoc connection information transmitted and received between the mobile terminal 100 and the other terminal 200 is not limited.

9 shows a screen in which a menu for transmitting the ad hoc connection information by a message is selected.

The controller 180 may transmit the ad hoc connection information previously generated by the method disclosed in this document to the terminal 200 in a message form.

In addition, when the user selects the second menu 21 shown in FIG. 9, the controller 180 generates the ad hoc connection information by the above-described method, and then sends the ad hoc connection information to the terminal 200 in the form of a message. You can also send.

10 shows another example of a user interface for the ad hoc connection.

For example, when the user selects "SMS Easy Pairing" shown in FIG. 10, the controller 180 can transmit the ad hoc connection information to the other terminal 200 in various ways as described above.

For example, when the user selects the "stored network" illustrated in FIG. 10, the controller 180 may transmit the previously-generated ad hoc connection information to the other terminal 200.

11 illustrates an example of a screen for receiving a phone number corresponding to the other terminal 200 when the ad hoc connection information is transmitted in a message by SMS or MMS.

As shown in FIG. 11, when a user inputs a phone number corresponding to at least one other terminal and selects a transmission button, the controller 180 transmits the generated ad hoc connection information to the input telephone. It may transmit to at least one other terminal corresponding to the number.

The controller 180 may configure the ad hoc connection information in various forms and transmit the ad hoc connection information to the other terminal 200.

As described above, the ad hoc connection information may include the first setting information for the mobile terminal 100 and the second setting information for the other terminal 200. The first setting information and the second setting information may be part of the same and different parts of the second setting information.

For example, the controller 180 may transmit both the first setting information and the second setting information to the other terminal 200.

In addition, for example, the controller 180 may distinguish and transmit information identical to each other among information included in the first configuration information and information included in the second configuration information, and transmit the distinguished information. . That is, the controller 180 includes only the one of the first setting information and the second setting information, the information corresponding to each other, and the different information is each of the first setting information and the second setting information. It can be included in the corresponding information and transmitted.

As such, when the information corresponding to each other is included in only one of the first and second setting information, the amount of data to be transmitted may be reduced.

In addition, the controller 180 may transmit a code for generating a widget or an icon shown in FIG. 8 from the other terminal 200 that receives the ad hoc connection information together with the ad hoc connection information.

In the other terminal 200, the widget or the icon is automatically generated in the other terminal 200 by permission of the user of the other terminal 200 or by receiving the ad hoc connection information and the code. Can be displayed.

The controller 180 may transmit the ad hoc connection request to the other terminal 200 or receive the ad hoc connection request from the other terminal 200.

For example, the controller 180 may transmit the ad hoc connection information to the other terminal 200 and then request the other terminal 200 to perform the ad hoc connection. Alternatively, the controller 180 may be requested to perform the ad hoc connection from the other terminal 200 that has received the ad hoc connection information.

In this case, the communication method for the ad hoc connection execution request between the mobile terminal 100 and the other terminal 200 may be performed according to the IEEE 802.11 standard group.

The controller 180 controls the wireless internet module 113 to perform an ad hoc connection with the other terminal 200 based on the ad hoc connection information according to the ad hoc connection request.

Since the mobile terminal 100 and the other terminal 200 share the ad hoc connection information, the mobile terminal 100 and the other terminal 200 can identify each other through the IP address and the ID, and use the same information included in the ad hoc connection information. Thus, the ad hoc connection can be performed.

12 is a flowchart of a WLAN ad hoc connection method of a mobile terminal according to a second embodiment of the present invention. 13 is a view for explaining a WLAN ad hoc connection method of a mobile terminal according to a second embodiment of the present invention.

The WLAN ad hoc connection method of the mobile terminal according to the second embodiment of the present invention may be implemented in the system environment and the mobile terminal 100 described with reference to FIGS. 1 and 2. Hereinafter, a WLAN ad hoc connection method of a mobile terminal according to the first embodiment of the present invention and the operation of the mobile terminal 100 for implementing the same will be described in detail.

If the first embodiment of the present invention described above with reference to FIGS. 1 to 11 is disclosed in terms of transmitting the ad hoc connection information, a second embodiment of the present invention described below is a view for receiving the ad hoc connection information. It is to be started from.

The controller 180 can receive the ad hoc connection information generated as disclosed in the first embodiment of the present invention from the other terminal 200 [S200].

As illustrated in FIG. 13, the controller 180 may provide a user interface through the display unit 151 to notify the user that the ad hoc connection information has been received and to query the execution of the ad hoc connection.

The controller 180 determines whether to receive an ad hoc connection command from the user through the user interface until a predetermined time elapses [S210].

The controller 180 determines whether the wireless internet module 113 is activated when the ad hoc connection command is received within the predetermined time as a result of the determination in step S210 [S220].

If the wireless Internet module 113 is not activated as a result of the determination in step S220, the controller 180 activates the wireless internet module 113 [S230] and then connects the WLAN terminal with the other terminal 200. [S240], if the wireless Internet module 113 is activated, and performs a WLAN ad hoc connection with the other terminal 200 [S240]. In this case, the WLAN ad hoc connection is performed based on the received WLAN ad hoc connection information.

On the other hand, if the control unit 180 does not receive the ad hoc connection command within the predetermined time, as a result of the determination in step S210, a WLAN pop-up window for notifying the user that the connection time has been exceeded or WLAN to the other terminal 200 Related information may be provided, such as providing a pop-up window for asking whether to request an ad hoc connection or a pop-up window for all of them [S250].

Here, when the WLAN ad hoc connection information is received from the other terminal 200 or when the WLAN ad hoc connection is successful based on the received WLAN ad hoc connection information, the controller 180 is illustrated in FIG. 8. A user interface may be provided to query the user whether to create a widget or shortcut 50 as shown.

The WLAN ad hoc connection method of the mobile terminal according to the present invention described above may be provided by recording on a computer-readable recording medium as a program for executing in a computer.

The WLAN ad hoc connection method of the mobile terminal according to the present invention can be implemented through software. When implemented in software, the constituent means of the present invention are code segments that perform the necessary work. The program or code segments may be stored on a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network.

Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of computer-readable recording devices include ROM, RAM, CD-ROM, DVD ± ROM, DVD-RAM, magnetic tape, floppy disk, hard disk, optical data storage device, and the like. The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings. In addition, the embodiments described in this document may not be limitedly applied, but may be configured by selectively combining all or part of the embodiments so that various modifications may be made.

1 shows an example of a system environment in which the present invention may be applied.

2 is a block diagram of a mobile terminal according to an embodiment of the present invention.

3 is a flowchart of a WLAN ad hoc connection method of a mobile terminal according to a first embodiment of the present invention.

4 to 11 are diagrams for explaining a WLAN ad hoc connection method of a mobile terminal according to a first embodiment of the present invention.

12 is a flowchart of a WLAN ad hoc connection method of a mobile terminal according to a second embodiment of the present invention.

13 is a view for explaining a WLAN ad hoc connection method of a mobile terminal according to a second embodiment of the present invention.

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

10: WLAN ad hoc network 100: mobile terminal

200: another terminal 113: wireless internet module

151: display unit 160: memory

180: control unit

Claims (19)

What is claimed is: 1. A method of connecting a WLAN (Wirelees LAN) Ad-hoc defined by an IEEE 802.11 standard group in a mobile terminal. Automatically generating ad hoc connection information for the ad hoc connection, including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal; Transmitting the ad hoc connection information to the other terminal; And According to the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal, the ad hoc connection is performed with the other terminal based on the ad hoc connection information. Steps to WLAN ad hoc connection method of a mobile terminal comprising. The method of claim 1, wherein the first setting information and the second setting information, And a unique ID of the terminal corresponding to the configuration information about the WLAN and the configuration information about the IP with respect to the corresponding terminal. The method of claim 2, The setting information about the WLAN includes a service set identifier (SSID), an encryption method, and a key related to the encryption method. The setting information regarding the IP, WLAN ad hoc connection method of a mobile terminal including an IP (Internet Protocol) address and a subnet (subnet). The method of claim 3, wherein The SSID, the encryption method, the key, and the subnet are the same for the first configuration information and the second configuration information, The IP address is different from the first configuration information and the second configuration information WLAN ad hoc connection method of the mobile terminal. The method of claim 2, The other terminal includes a plurality of different terminals, Generating the ad hoc connection information, WLAN ad hoc connection method of the mobile terminal, characterized in that for generating a plurality of different second configuration information for each of the plurality of different terminals. The method of claim 5, The method may further include selecting at least one terminal from among the plurality of different terminals. The transmitting of the ad hoc connection information may include transmitting the first configuration information and at least one second configuration information corresponding to the selected at least one terminal to the at least one selected terminal. WLAN ad hoc connection method. The method of claim 1, Generating an icon corresponding to the generated ad hoc connection information on a display unit provided in the mobile terminal; WLAN ad hoc connection method of a mobile terminal further comprising. The method of claim 7, wherein When the icon is selected, performing at least one of transmitting the ad hoc connection information and performing the ad hoc connection, and performing at least one of the transmitting operation of the ad hoc connection information and the performing of the ad hoc connection. One of the steps to enter the screen WLAN ad hoc connection method of a mobile terminal further comprising. The method of claim 1, wherein transmitting the ad hoc connection information Near field communication including at least one of Bluetooth, infrared (IrDA), Ultra-Wideband (UWB), and Near Field Communication (NFC), messages by Short Message Service (SMS), and multimedia messaging WLAN ad hoc connection method of a mobile terminal, characterized in that made by any one of the message. What is claimed is: 1. A method of connecting a WLAN (Wirelees LAN) Ad-hoc defined by an IEEE 802.11 standard group in a mobile terminal. Receiving ad hoc connection information for the ad hoc connection from the other terminal, the ad hoc connection information including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal; And According to the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal, the ad hoc connection is performed with the other terminal based on the ad hoc connection information. Steps to WLAN ad hoc connection method of a mobile terminal comprising. The method of claim 10, wherein the first setting information and the second setting information, For a corresponding terminal, configuration information about a WLAN including a SSID (Service Set Identifier) and an encryption scheme and a key related to the encryption scheme, an IP including an IP (Internet Protocol) address and a subnet WLAN setting of the mobile terminal, characterized in that it comprises configuration information relating to, and unique ID (Identifier) of the corresponding terminal. In a mobile terminal, A local area communication module that provides a wireless local area network (WLAN) ad-hoc communication function defined by an IEEE 802.11 standard group; And Automatically generate ad hoc connection information for the ad hoc connection, including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal, and converting the ad hoc connection information to the other terminal. In response to the ad hoc connection request transmitted from the mobile terminal to the other terminal or the ad hoc connection request received from the other terminal to the mobile terminal, based on the ad hoc connection information. Controls to perform the connection Mobile terminal comprising. The method of claim 12, wherein the first setting information and the second setting information, For a corresponding terminal, configuration information about a WLAN including a SSID (Service Set Identifier) and an encryption scheme and a key related to the encryption scheme, an IP including an IP (Internet Protocol) address and a subnet And setting information relating to the terminal and a unique identifier (ID) of the corresponding terminal. The method of claim 13, The SSID, the encryption method, the key, and the subnet are the same for the first configuration information and the second configuration information, And the IP address is different from the first configuration information and the second configuration information. The method of claim 13, The other terminal includes a plurality of different terminals, The control unit generates a plurality of different second configuration information for each of the plurality of different terminals, and at least one terminal selected from the plurality of different terminals, wherein the first configuration information and the selected at least one terminal are selected. And at least one second setting information corresponding to one terminal, respectively. The method of claim 12, wherein the control unit, Generating an icon corresponding to the generated ad hoc connection information on a display unit provided in the mobile terminal; When the icon is selected, at least one of the operation of transmitting the ad hoc connection information and the operation of performing the ad hoc connection is executed or at least one of the operation of transmitting the ad hoc connection information and the performing of the ad hoc connection. Mobile terminal, characterized in that to enter the screen. The method of claim 12, wherein the control unit, Near field communication including at least one of Bluetooth, infrared (IrDA), Ultra-Wideband (UWB), and Near Field Communication (NFC), messages by Short Message Service (SMS), and multimedia messaging And the ad hoc connection information via any one of messages by the system. In a mobile terminal, A local area communication module that provides a wireless local area network (WLAN) ad-hoc communication function defined by an IEEE 802.11 standard group; And Receiving the ad hoc connection information for the ad hoc connection from the other terminal, the ad hoc connection information including first setting information for the mobile terminal and second setting information for a terminal different from the mobile terminal, and the other terminal in the mobile terminal. A control unit for performing the ad hoc connection with the other terminal based on the ad hoc connection information according to the ad hoc connection request transmitted to the ad hoc connection request or the ad hoc connection request received from the other terminal to the mobile terminal; Mobile terminal comprising. The method of claim 18, wherein the first setting information and the second setting information, For a corresponding terminal, configuration information about a WLAN including a SSID (Service Set Identifier) and an encryption scheme and a key related to the encryption scheme, an IP including an IP (Internet Protocol) address and a subnet And setting information relating to the terminal and a unique identifier (ID) of the corresponding terminal.

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