KR20150010832A - Method for providing of device location using configuration information in WLAN, apparatus for the same - Google Patents

Abstract

The present invention relates to a method, an apparatus, and a system for providing location information using wireless LAN access information and, more specifically, to a method and an apparatus for providing location information using wireless LAN access information, wherein the method enables user equipment to detect a probe request message transmitted to an access point by another user equipment located within a certain radius of the user equipment, thereby checking which user exists around the user equipment using the detected probe request message. According to an embodiment of the present invention, the user equipment includes a communications part and a control part. The communications part receives a probe request message transmitted to an access point by oneor more other user equipment within certain coverage, and transmits/receives information to/from a location information-providing service apparatus. If the probe request message transmitted to the access point by the other user equipment is detected through the communications part, the control part extracts MAC address information from the probe request message; transmits the extracted MAC address information to the location information-providing service apparatus through the communications part; and receives user information corresponding to the MAC address information from the location information-providing service apparatus through the communications part.

Description

Field of the Invention [0001] The present invention relates to a method for providing location information using wireless LAN access information,

The present invention relates to a location information providing method using wireless LAN access information, and more particularly, to a location information providing method using a wireless LAN access information to a user terminal And detecting a user in the vicinity of the user terminal using the detected probe request message, and a device for the same.

The contents described in this section merely provide background information on the present embodiment and do not constitute the prior art.

2. Description of the Related Art [0002] With the rapid development of information and communication technology, various wireless communication services using a wireless network have been provided. Among them, the location based service (LBS) is widely watched for its wide use and convenience.

The location-based service refers to a communication service that grasps the location of a user through a mobile device such as a smart phone of a user and provides various additional services such as finding a friend, .

In providing such a location-based service, the most important is positioning technology for locating the terminal. Currently, there is a method using a GPS receiver mounted on a terminal, and a method of locating software using a radio wave environment that is a radius of a base station cell of a wireless communication network. Recently, a rapid expansion of a WiFi (Wireless Fidelity) , Positioning technologies using Wi-Fi information are being introduced.

The positioning technique using the Wi-Fi information up to the present is a method in which a mobile device equipped with a modem capable of detecting a Wi-Fi signal transmits an access point (AP) signal existing within a predetermined radius, RSSI, channel information, privacy, network type, and the like, and transmits the received information to the location information providing server.

However, in order to perform such Wi-Fi positioning, the location information providing server must have a database for the access point in advance. However, there is a problem in that it takes a lot of time and money to construct a database for a large number of Wi-Fi access points in advance, and in the case where frequent movements and frequent new installs occur, such as a private Wi- There is a problem that the database must be continuously updated.

Korean Registered Patent No. 0627802, registered on September 18, 2006 (Name: Location Finding Service Method and System using AP of WLAN)

As described above, the present invention provides a positioning method using Wi-Fi information more easily even if the server does not store information of a large number of access points in advance, The user terminal detects a probe request message to be transmitted to the access point, extracts the MAC address from the detected probe request message, and transmits the extracted probe address message to the location information providing service device to easily identify the user corresponding to the extracted MAC address The present invention provides a location information providing method using wireless LAN access information, and an apparatus therefor.

According to an aspect of the present invention, there is provided a method for providing a location update service to a user terminal, the method comprising: receiving a probe request message transmitted from one or more other user terminals in a coverage area to an access point, A communication unit for transmitting and receiving data; And a controller for extracting MAC address information from the probe request message when a probe request message transmitted to the access point by the another user terminal is detected through the communication unit, And a controller for transmitting the user information corresponding to the MAC address information to the location information providing service device through the communication unit from the location information providing service device.

The probe request message includes at least one of a MAC header, a frame body, and a Frame Check Sequence (FCS). The MAC header includes a frame control field, And may include at least one of a duration field, a destination address field, a sending address field, a BSSID field, and a sequence control field.

At this time, the controller can extract the source address field as MAC address information.

The control unit may control the received user information to be displayed on the display unit when the user information corresponding to the MAC address information is received from the location information providing service apparatus through the communication unit.

Also, the control unit may further extract the access point information included in the probe request message, and may transmit the extracted access point information together with the MAC address information to the location information providing service apparatus through the communication unit.

In addition, when the user information received from the location information providing service device through the communication unit is included in the information list, the display unit displays the received user information together with a mark indicating that the user information is a display period Can be controlled.

According to an aspect of the present invention, there is provided a location information providing service apparatus comprising: a service communication unit for transmitting and receiving information to and from at least one user terminal; A service storage unit for storing and managing at least one user information and MAC address information mapped corresponding to the user information; And a controller for checking the user information mapped to the MAC address information through the service storage when the MAC address information extracted from the probe request message is received from any one of the user terminals via the service communication unit, And a service control unit for controlling the service terminal to be transmitted to the user terminal through the service communication unit.

In this case, the service storage further stores and manages the mapped community information corresponding to the user information. When the MAC address information is received from the user terminal through the service communication unit, The control unit can control the user information to be transmitted to the user terminal through the service communication unit only when the user information mapped to the MAC address information is included in the mapped community information corresponding to the user information.

When the MAC address information is received from the user terminal through the service communication unit, the service control unit stores the user information corresponding to the MAC address information corresponding to the MAC address information, After checking the danger level information, the control unit may control the user terminal to transmit the user information to the user terminal through the service communication unit only when the danger level information exceeds a predetermined standard.

The service control unit may control the location information to be stored in the service storage unit according to the user information when the location information is received together with the MAC address information from the user terminal.

According to another aspect of the present invention, there is provided a method of providing location information using wireless LAN access information, the method comprising: receiving a probe request transmitted from one or more other user terminals in a coverage area to an access point detecting a probe request message; Extracting MAC address information from the probe request message by the user terminal; Transmitting, by the user terminal, the extracted MAC address information to a location information providing service device; And receiving the user information corresponding to the MAC address information from the location information providing service device by the user terminal.

The method may further include displaying the received user information on the user terminal after receiving the user information.

According to another aspect of the present invention, there is provided a method for providing location information using wireless LAN access information, the method comprising: receiving a probe request message from a user terminal Receiving address information; Confirming previously stored user information corresponding to the MAC address information; And transmitting the user information to the user terminal from the location information providing service device.

Furthermore, the present invention can provide a computer-readable recording medium having recorded thereon a program for executing the method for providing location information using the wireless LAN access information according to the embodiment of the present invention.

According to the location information providing method using the wireless LAN access information of the present invention, the user terminal detects a probe request message transmitted to the access point by another user terminal located within a certain radius of the user terminal, The MAC address is extracted from the request message and transmitted to the location information providing service device, so that it is possible to identify the user corresponding to the extracted MAC address.

Accordingly, even if the location information providing service device does not know the information about the access point in advance, the user can be more easily recognized based on the MAC address of the user terminal, thereby saving time and cost for establishing the location information providing service .

FIG. 1 is a block diagram illustrating a main configuration of a location information providing system supporting a location information providing method using wireless LAN access information according to an embodiment of the present invention. Referring to FIG.
2 is a data flow diagram illustrating a wipy eye access method for explaining a method of providing location information using wireless LAN access information according to an embodiment of the present invention.
3 is an exemplary diagram for explaining a method of providing location information using wireless LAN access information according to an embodiment of the present invention.
4 is a block diagram illustrating a main configuration of a user terminal according to an embodiment of the present invention shown in FIG.
FIG. 5 is a block diagram illustrating a main configuration of a location information providing service apparatus according to an embodiment of the present invention shown in FIG. 1. Referring to FIG.
6 is a data flow chart for explaining a location information providing method using wireless LAN access information according to an embodiment of the present invention.
7 is a data flow chart for explaining a location information providing method using wireless LAN access information according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the detailed description of known functions and configurations incorporated herein will be omitted when it may unnecessarily obscure the subject matter of the present invention. This is to omit the unnecessary description so as to convey the key of the present invention more clearly without fading. While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. However, it should be understood that the invention is not limited to the specific embodiments thereof, It is to be understood that the invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Also, terms including ordinal numbers such as first, second, etc. are used to describe various elements, and are used only for the purpose of distinguishing one element from another, Not used. For example, without departing from the scope of the present invention, the second component may be referred to as a first component, and similarly, the first component may also be referred to as a second component.

In addition, when referring to an element as being "connected" or "connected" to another element, it means that it can be connected or connected logically or physically. In other words, it is to be understood that although an element may be directly connected or connected to another element, there may be other elements in between, or indirectly connected or connected.

Also, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. It is also to be understood that the terms such as " comprising "or" having ", as used herein, are intended to specify the presence of stated features, integers, It should be understood that the foregoing does not preclude the presence or addition of other features, numbers, steps, operations, elements, parts, or combinations thereof.

Now, a location information providing method using wireless LAN access information and an apparatus therefor according to an embodiment of the present invention will be described in detail with reference to the drawings. Here, the same reference numerals are used for similar functions and functions throughout the drawings, and a duplicate description thereof will be omitted.

FIG. 1 is a block diagram illustrating a main configuration of a location information providing system supporting a location information providing method using wireless LAN access information according to an embodiment of the present invention. Referring to FIG.

Referring to FIG. 1, a location information providing system 1000 according to an embodiment of the present invention may include a plurality of user terminals 100, a location information providing service apparatus 200, and a communication network 300.

First, the user terminal 100 refers to a user apparatus that can transmit and receive various data via the communication network 300 according to a user's operation. Also, the user terminal 100 can perform voice or data communication through the communication network 300, and can exchange various information with the location information providing service apparatus 200. The user terminal 100 of the present invention may include a browser for transmitting and receiving information, a memory for storing a program and a protocol, and a microprocessor for executing and controlling various programs. Particularly, the user terminal 100 of the present invention includes a medium access control (MAC) conforming to IEEE (Institute of Electrical and Electronics Engineers) 802.11 standard and a physical layer interface for a wireless medium Function media, and can generate various messages (i.e., frames) to be transmitted through the Wi-Fi network, which is a radio access network, or can process frames received through the Wi-Fi network. The user terminal 100 may be a terminal, a wireless transmit / receive unit (WTRU), a user equipment (UE), a mobile station (MS), a mobile terminal, May also be referred to as another name, such as a Mobile Subscriber Unit.

In addition, the user terminal 100 of the present invention can be a mobile terminal such as a smart phone, a tablet PC, a PDA (personal digital assistant), and a portable multimedia player (PMP) Any terminal capable of transmitting and receiving information to and from the information providing service apparatus 200 is applicable to the user terminal 100 of the present invention.

The location information providing service apparatus 200 provides a service related to location information to a plurality of user terminals 100 through a communication network 300. For example, the location information providing service apparatus 200 includes a user terminal 100, A friend location information notification service or a dangerous person location information notification service. In addition, the location information providing service apparatus 200 may provide location information on the basis of the location of the user terminal 100, as well as location information of other users requested by any one of the user terminals 100.

Also, the user terminal 1100 and the location information providing service device 200 transmit / receive various related information through the communication network 300. The communication network 300 at this time is possible in any manner.

For example, IP network that provides high-capacity data transmission and disconnection service through internet protocol, All IP, WiBro (Wireless) which is an i-bell net structure that integrates different networks based on IP, Broadband network, wireless LAN including wifi network, wired communication network, mobile communication network, HSDPA (High Speed Downlink Packet Access) network, and satellite communication network, It can be a next-generation communication network to be scheduled. In particular, the user terminal 100 according to the embodiment of the present invention is preferably implemented as a wireless access network, in particular a Wi-Fi network. At this time, the Wi-Fi network includes at least one access point (AP), and the user terminal 100 is connected to a backbone network or a wide area network (WAN) of a communication company via a Wi- And transmits and receives information to and from the location information providing service apparatus 200 via a core network including the core network. Therefore, the communication network 300 according to the embodiment of the present invention is preferably configured as a wireless access network, including a Wi-Fi network and various types of core networks.

In the location information providing system 1000, the user terminal 100 according to the embodiment of the present invention captures a probe request message transmitted from one or more other user terminals within a certain radius to the access point, Extracts the MAC address information from the received probe request message, and transmits the extracted MAC address information to the location information providing service apparatus 200 through the communication network 300. When the user terminal 100 receives the user information corresponding to the MAC address information from the location information providing service device 200, the user selects a certain user within a certain radius of the user terminal 100 It is possible to easily confirm whether or not the current position is present.

Before describing the location information providing method using the wireless LAN access information according to the embodiment of the present invention, a general WiFi access method will be described first with reference to FIG.

2 is a data flow diagram illustrating a wipy eye access method for explaining a method of providing location information using wireless LAN access information according to an embodiment of the present invention.

Referring to FIG. 2, the user terminal 100 performs a scanning process to detect a connectable access point to access a Wi-Fi network. The scanning process may be a process of detecting a beacon message transmitted from the access point 310 (S101). The beacon message is one of the management frames in IEEE 802.11 and is used by the access point 310 to inform the user of the existence of the access point 310 and to allow the user terminal 100 to access the Wi- Quot; frame "

Then, the user terminal 100 transmits a probe request message to the access point 310 that transmitted the beacon message. Here, the probe request message is a management frame for notifying the IEEE 802.11 standard of which access point exists, or informing that the beacon message is received by the access point 310 that transmitted the beacon message.

The probe request message may include a MAC header, a frame body, and a frame check sequence (FCS). The MAC header may be configured to include a Frame Control field, a Duration field, a Destination Address field, a Sending Address field, a BSSID field, and a Sequence Control field .

Among them, the frame control field includes various information necessary for processing the related frame, and includes a protocol version subfield, a type and subtype subfield, a To DS subfield, and a From DS subfield. In the probe request message, the type and subtype subfields may be set to values representing "probe request ". The duration field contains a duration value defining the probe request message. The destination address field may be set to the destination address of the probe request message, and the destination address may be a broadcast address or the address information of the access point that transmitted the beacon message.

The source address field can be set to the source address of the probe request message, that is, it can be configured to include the MAC address information of the user terminal 100. [ In addition, the BSSID field may be set to a specific BSSID or a wildcard BSSID that the user terminal 100 desires. The sequence control field includes a sequence number subfield (sequence number subfield) indicating a sequence number of a MAC Service Data Unit (MSDU) or a MAC Management Protocol Data Unit (MMDU) and a fragment number subfield indicating a fragment number of the MSDU or MMDU .

The user terminal 100 according to an embodiment of the present invention detects a beacon message transmitted from the access point 310 according to a passive scanning method and transmits a probe request message However, the present invention is not limited to this, and the present invention is not limited thereto. For example, in the active scanning method, a user terminal 100 may transmit a management frame The probe request message may be transmitted within a certain radius. At this time, the probe request message can be transmitted to the broadcast destination address.

Upon receiving the probe request message, the access point 310 generates a probe response message in response to the probe request message and transmits the probe response message to the user terminal 100. The probe response message is a management frame for informing existence of a network by unicasting to the user terminal 100 in response to a probe request message in the IEEE 802.11 standard. The probe response message may include a MAC header, a frame body, and an FCS. The MAC header may include a frame control field, a period field, a destination address field, a source address field, a BSSID field And a sequence control field.

At this time, the type of the frame control field and the subtype subfield of the probe response message may be set to a value indicating 'probe response', and the frame body may include a time stamp IE, a beacon interval IE, An SSID IE, a supporting rate IE, an interworking IE, an advertisement protocol IE, and an SSID container IE.

After receiving the probe response message from the access point 310, the user terminal 100 performs an authentication procedure (S107 to S109). The authentication procedure means a process of selecting a channel having the best signal strength in the process of searching for an access point. That is, the user terminal 100 can receive a beacon message transmitted from a plurality of access points 310 within a certain radius, and can simultaneously transmit a probe request message to a plurality of access points 310 transmitting the beacon message . Then, when a probe response message is received from a plurality of access points 310, only one access point 310 having the highest signal strength among the plurality of access points 310 searched is selected, and one selected access point 310 (S107). ≪ / RTI > At this time, the authentication process can be performed by transmitting the user ID (ID) and the password together. When the authentication of the user terminal 100 is successful, the access point 310 transmits an authentication response message to the user terminal 100 (S109).

Then, the user terminal 100 and the access point 310 perform a connection establishment process, which is a final process of a Wi-Fi connection. That is, the user terminal 100 transmits an association request message to the access point 310, and the access point 310 transmits a connection response message to the user terminal 100, The connection setting is completed. Thereafter, the user terminal 100 can be connected to the core network through the corresponding access point 310, and transmits / receives information to / from the location information providing service device 200 or another service device (not shown) through the core network .

The present invention can measure the position of the user terminal 100 using the probe request message transmitted to the access point by the user terminal 100 for accessing the Wi-Fi network.

This will be described in more detail with reference to FIG.

3 is an exemplary diagram for explaining a method of providing location information using wireless LAN access information according to an embodiment of the present invention.

3, the user terminal will be referred to as a UE (User Equipment), and the access point will be referred to as an access point (AP) before describing it. The first UE 101 also includes a probe that is transmitted to the APs 311, 312, and 313 by other user terminals within a certain radius, for example, the second UE 102, the third UE 103, Extracts MAC address information from the detected probe request message, and provides the extracted MAC address information to the location information providing service apparatus 200 and receives corresponding user information from the location information providing service apparatus 200 It is assumed that the device is a user's device.

The first UE 101 may search for an AP that is within a certain radius as indicated by a certain coverage, i.e., 190, as described with reference to FIG. Although only the first AP 311 is shown in the drawing, a plurality of APs may exist in the fixed coverage 190 of the first UE 101. [

On the other hand, there may be coverage that can send messages to each AP. That is, the first AP 311 has a first coverage 331, the second AP 312 has a second coverage 332, and the third AP 313 has a third coverage 333 , And each coverage may be different in size. In addition, the coverage of the UE and the coverage of the AP may be different according to the specifications of the UE and the specifications of the AP.

In this case, the first UE 101 and the fourth UE 104 may be located in the first coverage area 331 of the first AP 311 and the second coverage area 332 may be located within the second coverage area 332 of the second AP 312 The third UE 103 and the sixth UE 106 may be located in the third coverage area 333 of the third AP 313 and the second UE 102 and the fifth UE 105 may be located. can do.

In this situation, the first UE 101 may determine that one or more other user terminals in a given coverage 190, i.e., the second UE 102, the third UE 103, the fourth UE 104, The probe request message can be detected. A second probe request message transmitted by the third UE 103 to the third AP 313, a second probe request message transmitted by the third UE 103 to the second AP 312, 104 may transmit a third probe request message to the first AP (104). On the other hand, since the fifth UE 105 and the sixth UE 106 are not located in the fixed coverage 190 of the first UE 101, the fifth UE 105 and the sixth UE 106 are located in the second The probe request message transmitted to the AP 312 and the third AP 313 can not be detected.

Then, the first UE 101 extracts the MAC address information from the detected probe request message. The MAC address information may be extracted based on the source address field of the probe request message. That is, the first UE 101 extracts the source address field of the first probe request message, the second probe request message, and the third probe request message as MAC address information.

1, the first UE 101 transmits the first MAC address information, the second MAC address information, and the third MAC address extracted by the location information providing service apparatus 200 through the communication network 300, Address information is transmitted. At this time, the first UE 101 may access the core network through the Wi-Fi network and then transmit the extracted MAC address information to the location information providing service apparatus 200. However, the first UE 101 may transmit the MAC address information extracted by the other information communication network, Address information may be transmitted to the location information providing service apparatus 200.

The location information providing service apparatus 200 receives the MAC address information, and confirms the previously stored user information. When the user information corresponding to the MAC address information is stored, the location information providing service apparatus 200 transmits the corresponding user information to the first UE 101. That is, the location information providing service apparatus 200 transmits the user information of the second UE 102, the user information of the third UE 103, and the user information of the fourth UE 104 to the first UE 101 . At this time, the user information that can be transmitted to the first UE 101 may be user name, user alias, user phone number, and the like.

The first UE 101 receives the user information and displays the user information by combining the user information with the map data, and displays the user in various forms such as text.

Accordingly, even if the location information providing service apparatus 200 does not store the information of all the access points, it can easily identify who the corresponding user is based on the MAC address information received from the user terminal 100, By recognizing the user by using the address information, time and cost for establishing the location information providing service can be saved.

Further, the user terminal 100 can easily recognize a user located in the vicinity of the user terminal 100 without installing a specific module such as a GPS system by using a probe request message generated for accessing a Wi-Fi network do.

Hereinafter, the main configuration and operation method of the user terminal 100 and the location information providing service apparatus 200 according to the embodiment of the present invention will be described in more detail.

4 is a block diagram illustrating a main configuration of a user terminal according to an embodiment of the present invention shown in FIG.

1 and 4, a user terminal 100 according to an exemplary embodiment of the present invention includes a communication unit 110, an input unit 120, a control unit 130, a storage unit 140, a display unit 150, (160). ≪ / RTI >

First, the communication unit 110 plays a role of supporting transmission and reception of various information to and from the location information providing service apparatus 200 through the communication network 300. In particular, the communication unit 110 according to an exemplary embodiment of the present invention can receive a probe request message transmitted from another user terminal to an access point, and based on the probe request message, under the control of a control unit 130, And transmits the detected MAC address information to the location information providing service apparatus 200 and receives the user information corresponding to the MAC address information from the location information providing service apparatus 200. [

The communication unit 110 according to the embodiment of the present invention can be implemented in various communication modules. For example, the communication unit 110 according to an embodiment of the present invention may include a Wi-Fi communication module (not shown) supporting a Wi-Fi network connection, and may include a WiBro communication module . It may also be implemented in a mixed form of various types of communication modules.

The input unit 120 transmits various signals such as numbers and character information input from the user, various functions, and signals inputted in relation to the function control of the user terminal 100, to the control unit 130. In particular, when the location information providing method using the wireless LAN access information according to the embodiment of the present invention is implemented in the form of a specific application, user input for executing the application can be supported.

As described above, the input unit 120 may include a key input unit such as a keyboard or a keypad, a touch input unit such as a touch sensor or a touch pad, a voice input unit, a gyro sensor, a geomagnetism sensor, an acceleration sensor and a proximity sensor, And gesture input means including at least one or more gesture input means.

In addition, it can include all forms of input that are currently under development or can be developed in the future.

The control unit 130 performs overall control of the user terminal 100 and includes at least one processor including a CPU (Central Processing Unit) / MPU (Micro Processing Unit) and at least one memory loading data (For example, a register and / or a RAM (Random Access Memory)) and a bus (BUS) for inputting / outputting at least one or more data to / from the processor and the memory. In addition, a software defined function (e.g., a probe request message) is detected in the user terminal 100, the MAC address information is extracted from the probe request message, and the extracted MAC address information is transmitted to the location information providing service apparatus 200 A predetermined program routine or program data loaded from the predetermined recording medium to the execution memory and operated on by the processor to perform the function of transmitting the program. In other words, in order to process the location information providing method using the wireless LAN access information according to the embodiment of the present invention, a component that can be processed in software among the functions provided in the user terminal 100 is referred to as a function of the controller 130 It can be judged.

The controller 130 of the present invention is functionally connected to at least one component provided to support a location information providing method using wireless LAN access information in the embodiment of the present invention. That is, the control unit 130 is functionally connected to the communication unit 110, the input unit 120, the storage unit 140, the display unit 150, and the sound source output unit 160, To control the flow of signals.

In particular, the controller 130 according to an exemplary embodiment of the present invention detects a probe request message transmitted from one or more other user terminals in a certain coverage to one or more access points. Then, the control unit 130 extracts the MAC address information from the detected probe request message. The MAC address information can be extracted by checking the source address field of the probe request message. In addition, the MAC address information may be a unique number that can be assigned to the hardware, that is, the LAN card.

Then, the control unit 130 controls the extracted MAC address information to be transmitted to the location information providing service apparatus 200 through the communication unit 110. Then, the controller 130 may receive user information corresponding to the MAC address information from the location information providing service device 200. [

When the user information corresponding to the MAC address information is received, the control unit 130 may display the user information through the display unit 150, which will be described later, and may display the user information in combination with the map data. Accordingly, the user can more easily recognize which user is located near the user terminal 100.

In addition, the controller 130 according to the embodiment of the present invention may further determine whether the user information received from the location information providing service apparatus 200 is included in an information list, for example, a telephone number list. At this time, it is preferable that the user information includes phone number information, and the controller 130 determines whether or not the phone number information included in the user information is included in the pre-stored phone number list, When the user information is included in the number list, when the user information is displayed through the display unit 150, the user information can be displayed together with a mark indicating that the user is an acquaintance.

In addition, the controller 130 according to an embodiment of the present invention may transmit location information together with the MAC address information to the location information providing service device 200. [ Here, the location information may be used as location information of the user terminal corresponding to the MAC address information, and may be a destination address included in the probe request message, that is, address information of the access point. For this, the controller 130 extracts the destination address information included in the probe request message as access point information, and transmits the extracted access point information together with the MAC address information to the location information providing service apparatus 200 Control.

For this operation control, the controller 130 may include a message collecting module 131 and an information extracting module 132. At this time, the message collection module 131 may control the process of detecting the probe request message, and the information extraction module 132 may control the process of extracting the MAC address information from the probe request message. In addition, although not shown in the drawing, a module for controlling the process of displaying the user information corresponding to the MAC address information received from the location information providing service apparatus 200 through the display unit 150 may be further included.

The message collecting module 131 and the information extracting module 132 may be configured as one module and may include the message collecting module 131 and the information extracting module 132, Various control modules for performing the location information providing method using the wireless LAN access information can be implemented in an application form. At this time, the application may be an application provided by the location information providing service apparatus 200. When the application is executed, the location information providing method using the wireless LAN access information according to the embodiment of the present invention as described above .

The storage unit 140 may temporarily store various data generated during execution of the application program, including an application program required for the functional operation according to the embodiment of the present invention. Particularly, the storage unit 140 according to the embodiment of the present invention can temporarily store the probe request message collected according to the control of the controller 130, and the location information providing method according to the embodiment of the present invention can be applied A variety of information related to an application for supporting the method can be stored.

The storage unit 140 may include a program area and a data area. The program area stores relevant information for driving the user terminal 100, such as an operating system (OS) that boots the client user terminal 100. The data area is an area in which data generated according to use of the user terminal 10 is stored, and the probe request message may be temporarily stored as described above. The storage unit 140 may be a flash memory, a hard disk, a memory of a multimedia card micro type (e.g., SD or XD memory), a RAM, a ROM ROM), and the like.

The display unit 150 displays information on a series of operation states, operation results, and the like that occur while the functions of the user terminal 100 are performed. In particular, the display unit 150 of the present invention can display various information generated during execution of a service application. In addition, the display unit 150 according to the embodiment of the present invention can display user information corresponding to the MAC address information under the control of the controller 130. [ At this time, the map data and the user information can be combined and displayed, and it is possible to display what other users are located around the user in various forms such as text and images.

The display unit 150 may be implemented as one touch panel (or touch screen) together with the input unit 120 as described above. When the display unit 150 is implemented together with the input unit 120, It is possible to display various information that is generated along with it.

The display unit 150 may be a liquid crystal display (LCD), a thin film transistor (TFT) LCD, an organic light emitting diode (OLED), a light emitting diode (LED), an active matrix organic LED, a flexible display, and a three-dimensional display. Some of these displays may also be configured to be transparent or light transmissive so that they can be seen through. This can be configured as a transparent display including TOLED (Transparent OLED).

The sound source output unit 160 can convert a sound source, which is an electrical signal, into an analog signal and output the analog signal. The sound source output unit 160 supports output of various information under the control of the control unit 130.

As described above, the main components of the user terminal 100 have been described with reference to FIG. However, not all of the components shown in FIG. 4 are essential elements, and the user terminal 100 may be implemented by more components than the illustrated components, and the user terminal 100 ) May be implemented. It should also be appreciated that the location of the major components of the user terminal 100 shown in FIG. 4 may be varied for convenience or for other reasons. The module configuring the controller 130 is not limited to the message collecting module 131 and the information extracting module 132. The controller 130 may include various modules performing various functions, Or may be configured in one module form.

In addition, although the user terminal 100 according to the embodiment of the present invention uses a probe request message transmitted from another user terminal in a certain coverage to the access point, the probe response message transmitted from the access point to the user terminal It can also be used. At this time, since the destination address field included in the probe response message includes the address information of the user terminal, the user terminal 100 may extract the destination address field as the MAC address information.

Hereinafter, the main configuration and operation method of the location information providing service apparatus 200 according to the embodiment of the present invention will be described.

FIG. 5 is a block diagram illustrating a main configuration of a location information providing service apparatus according to an embodiment of the present invention shown in FIG. 1. Referring to FIG.

1 and 5, a location information providing service apparatus 200 according to an embodiment of the present invention may include a service communication unit 210, a service control unit 220, and a service storage unit 230 .

First, the service communication unit 210 transmits / receives various information to / from one or more user terminals 100 through the communication network 300. In particular, the service communication unit 210 according to the embodiment of the present invention can receive the MAC address information extracted from the probe request message from any one of the user terminals 100, and transmits the MAC address information Lt; / RTI >

In addition, the service communication unit 210 according to the embodiment of the present invention can receive a location information provision request for another user terminal from any one of the user terminals 100, The location information may be transmitted to the user terminal 100.

The service control unit 220 performs overall control of the location information providing service apparatus 200 according to the embodiment of the present invention. In particular, the service control unit 220 transmits, to a plurality of user terminals 100, And provides the pre-stored user information.

To this end, the service control unit 220 may first control the process of storing the MAC address information in the service storage unit 230 by mapping the user information. For example, when the MAC address information of the user terminal 100 is received from the user terminal 100 which intends to use the location information providing service according to the embodiment of the present invention, And to control the MAC address information to be stored. When an application provided by the service control unit 220 is executed in the user terminal 100 according to the specific operation of any one of the user terminals 100, , And controls the MAC address information to be stored in correspondence with the user information of the user terminal 100. [

In addition, the service control unit 220 may control the MAC address information corresponding to the user information to be stored in advance in the service storage unit 230 in various manners. In addition, the user information according to the embodiment of the present invention may be various information related to the user as well as user unique identification information such as a user name and a user phone number.

In this state, when one or more MAC address information extracted from one or more probe request messages is received from any one of the user terminals, for example, the first user terminal 101, And the stored user information is confirmed through the service storage unit 230. Then, the service control unit 220 may transmit the confirmed user information to the first user terminal 101.

At this time, if there is pre-stored community information corresponding to the user information, the service control unit 220 confirms the user information of the user terminal, for example, the first user terminal 101, It is determined whether or not the user information mapped to the MAC address information received from the first user terminal 101 is included in the mapped community information corresponding to the information. The service control unit 220 may transmit user information corresponding to the MAC address information to the first user terminal 101 only when the community information includes user information corresponding to the MAC address information. Accordingly, the first user terminal 101 does not display positional information about an unspecified number located within a predetermined radius, but can check only the position information of a user belonging to the same community as the user.

In addition, the service control unit 220 according to an embodiment of the present invention manages risk level information for each user information, checks user information corresponding to the MAC address information, and transmits only the user information of a dangerous user to the user terminal 100 . Accordingly, the user terminal 100 can check only the location information of a dangerous person or a person requiring attention, among a plurality of other users located within a predetermined radius.

In addition, when the location information is received together with the MAC address information from the user terminal 100, the service control unit 220 according to the embodiment of the present invention matches the location information with the user information corresponding to the MAC address information . At this time, since the position information is information changed every moment, it can be controlled to be deleted after a lapse of a predetermined time, for example, one hour.

When the location information provision request information for the second user terminal 102 is received from another user terminal, for example, the third user terminal 103 in the state where the location information is stored, After confirming the user information of the user terminal 102, if the location information corresponding to the user information is stored in the service storage unit 230, the location information of the verified second user terminal 102 is transmitted to the third user And may be controlled to be provided to the terminal 103.

In order to control the location information providing process according to the embodiment of the present invention, the service control unit 220 may include an information building module 221 and a service providing module 222. At this time, the information building module 221 maps and stores MAC address information corresponding to user information, and maps and stores position information corresponding to user information to provide location information according to an embodiment of the present invention. You can control the process of collecting the various information needed and building it in a database format. The service providing module 222 searches for and provides user information corresponding to the MAC address information to the user terminal 100 providing the MAC address information and transmits the response information to the user terminal 100 requesting the location information providing And so on.

The service storage unit 230 stores all the programs that are executed by the function of the location information providing service apparatus 200. In particular, the service storage unit 230 according to the present invention may store the MAC address information 232 corresponding to the user information 231. In addition, the service storage unit 230 according to the embodiment of the present invention may store and manage location information corresponding to the user information 231. [

The service storage unit 230 of the present invention may be a repository located in the location information providing service apparatus 200 and may be located outside the location information providing service apparatus 200 to transmit the location information providing service apparatus 200 and data Or a data storage server capable of transmitting and receiving data.

The main configuration and operation method of the location information providing service apparatus 200 according to the embodiment of the present invention have been described above.

The location information providing service apparatus 200 according to the embodiment of the present invention has a hardware configuration similar to that of a typical Web server or a network server. However, the software includes a program module implemented through a language such as C, C ++, Java, Visual Basic, Visual C, or the like. The location information providing service apparatus 200 of the present invention can be implemented in the form of a web server or a network server. The web server is generally connected to an unspecified number of clients and / or other servers through an open computer network such as the Internet , A computer system that accepts a request to perform an operation of a client or another web server and derives a result of the operation, and computer software (a web server program) installed for the computer system. However, in addition to the above-described web server program, it should be understood as a broad concept including a series of application programs running on the web server and various databases built up in some cases. The location information providing service apparatus 200 is a web server which is variously provided according to an operating system such as DOS, Windows, Linux, UNIX, Macintosh, Program. Typical examples include a Web site used in a Windows environment, an Internet Information Server (IIS), and a CERN, an NCSA, and an APPACH used in a UNIX environment.

In addition, the location information providing service apparatus 200 of the present invention may be implemented as one or more servers operating in a server-based computing manner or a cloud-based manner. In particular, the information transmitted to and received from the location information providing system 1000 may be provided through a cloud computing function that can be permanently stored in a cloud computing device on the Internet. Here, cloud computing utilizes Internet technology in digital terminals such as desktops, tablet computers, laptops, netbooks and smart phones to provide virtualized IT (Information Technology) resources such as hardware (server, storage, (Database, security, web server, etc.), service, data, etc. on demand. In the present invention, all information transmitted and received between the at least one user terminal 100 and the location information providing service device 200 is stored in the cloud computing device on the Internet, and can be transmitted anywhere, anytime.

Hereinafter, a method of providing location information using wireless LAN access information according to an embodiment of the present invention will be described with reference to FIGS. 6 and 7. FIG.

6 is a data flow chart for explaining a location information providing method using wireless LAN access information according to an embodiment of the present invention.

Referring to FIG. 6, first, when power is supplied to the user terminal 100, power required for each configuration of the apparatus can be distributed using the supplied power source, A standby state can be performed. Here, the waiting state may be a state where the user terminal 100 can detect a probe request message transmitted from another user terminal to the access point.

In this state, when the user terminal 100 detects the probe request message transmitted to the access point by another user terminal (S203), the user terminal 100 extracts the MAC address information from the probe request message (S205).

Then, the user terminal 100 transmits the extracted MAC address information to the location information providing service apparatus 200, and the location information providing service apparatus 200 confirms the user information previously stored corresponding to the MAC address information S209).

Then, the location information providing service device 200 transmits the confirmed user information to the user terminal 100 (S211), and the user terminal 100 receiving the user information displays the user information in various forms (S213) , And controls so that the user can recognize it.

In this case, when the location information providing service apparatus 200 has pre-stored user information corresponding to the MAC address information, it transmits the user information to the user terminal 100 as an example However, the present invention is not limited thereto, and it is possible to transmit only the filtered user information to the user terminal 100 by filtering according to a certain standard. For example, only the user information of the user belonging to the same community as the user of the user terminal 100 can be transmitted to the user terminal 100, and if the user terminal 100 sets the danger level information for each user information, After confirming the risk level information of the user information, only the corresponding user information may be transmitted to the user terminal 100 only when the risk level information is above a certain level.

In an embodiment of the present invention, user information corresponding to the MAC address information is provided to the user terminal 100 providing the MAC address information. However, the present invention is not limited to this, And provide location information of the other user terminals requested.

Referring to FIG. 7, FIG. 7 is a data flow chart for explaining a location information providing method using wireless LAN access information according to another embodiment of the present invention.

7, the first user terminal 101 extracts MAC address information from a probe request message transmitted from another user terminal, for example, the second user terminal 102 to the access point, And the third user terminal 103 is a device of the user providing the address information to the location information providing service apparatus 200. The third user terminal 103 is connected to another user terminal such as the location of the second user terminal 102 It is assumed that the device is a device of a user requesting information provision.

First, the first user terminal 101 detects the probe request message transmitted from the second user terminal 102 to the access point in the waiting state (S301) as described above (S303). At this time, the above operation can detect a probe request message within a certain radius according to execution of an application provided by the location information providing service device 200. [

Then, the first user terminal 101 extracts the MAC address information from the probe request message (S305), and confirms the current location information (S307). The location information may be GPS information, and may be access point information included in the probe request message. In other words, the first user terminal 101 extracts the MAC address information of the second user terminal 102 in the probe request message, extracts the access point information that the second user terminal 102 wants to connect to, And can transmit it to the location information providing service apparatus 200.

After receiving the user information, the location information providing service device 200 confirms the user information corresponding to the MAC address information (S311), and can provide the identified user information to the first user terminal 101, That is, the access point information, corresponding to the user information of the second user terminal 102 (S313). In this case, when the location information providing service apparatus 200 confirms the local information of the access point information, if the location information is composed of the access point information, it is possible to control the stored local information to be stored in correspondence with the user information have.

In this state, when the location information providing request of the second user terminal 102 is received from the third user terminal 103 at step S315, the location information providing service apparatus 200 first transmits the location information providing request of the second user terminal 102 Confirms the user information, and confirms the previously stored location information corresponding to the user information (S317). Then, the location information of the identified second user terminal 102 may be transmitted to the third user terminal 103.

The location information providing method using the wireless LAN access information according to the embodiment of the present invention has been described above.

The location information providing method using the wireless LAN access information of the present invention as described above may be provided in the form of a computer readable medium suitable for storing computer program instructions and data. At this time, a computer-readable medium suitable for storing computer program instructions and data includes, for example, a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a compact disk read only memory (CD-ROM) Optical media such as a DVD (Digital Video Disk), a magneto-optical medium such as a floppy disk, and a ROM (Read Only Memory), a RAM , Random Access Memory), flash memory, EPROM (Erasable Programmable ROM), and EEPROM (Electrically Erasable Programmable ROM). The processor and memory may be supplemented by, or incorporated in, special purpose logic circuits. 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. Such a hardware device may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

While the specification contains a number of specific implementation details, it should be understood that they are not to be construed as limitations on the scope of any invention or claim, but rather on the description of features that may be specific to a particular embodiment of a particular invention Should be understood. Certain features described herein in the context of separate embodiments may be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment may also be implemented in multiple embodiments, either individually or in any suitable subcombination. Further, although the features may operate in a particular combination and may be initially described as so claimed, one or more features from the claimed combination may in some cases be excluded from the combination, Or a variant of a subcombination.

Likewise, although the operations are depicted in the drawings in a particular order, it should be understood that such operations must be performed in that particular order or sequential order shown to achieve the desired result, or that all illustrated operations should be performed. In certain cases, multitasking and parallel processing may be advantageous. Also, the separation of the various system components of the above-described embodiments should not be understood as requiring such separation in all embodiments, and the described program components and systems will generally be integrated together into a single software product or packaged into multiple software products It should be understood.

The present invention relates to a location information providing method using wireless LAN access information, and more particularly, to a location information providing method using a wireless LAN access information to a user terminal And detecting a user in the vicinity of the user terminal using the detected probe request message, and a device for the same.

According to the present invention, the MAC address information is detected in the probe request message, and the user information is confirmed using the MAC address information. Therefore, even if the location information providing service device does not know the information about the access point in advance, It is possible to provide information of other user terminals located in the vicinity of the user and to save the time and cost required for establishing the location information providing service, thereby contributing to the development of the location information providing service industry.

In addition, since the present invention is not only possible to be marketed or operated, but also can be practically and practically carried out, it is industrially applicable.

100: user terminal 110: communication unit 120: input unit
130: controller 131: message collecting module
132: information extraction module 140: storage unit 150: display unit
160: sound source output unit 200: position information providing service device
210: service communication unit 220:
221: information building module 222: service building module
230: Service storage unit 231: User information
232: MAC address information 300: communication network
1000: Location information providing system

Claims (14)

A communication unit for receiving a probe request message transmitted by one or more other user terminals in a predetermined coverage to an access point and transmitting and receiving information to and from the location information provision service device; And
If the probe request message transmitted to the access point by the another user terminal is detected through the communication unit, extracts the MAC address information from the probe request message and transmits the extracted MAC address information to the location A control unit for transmitting the user information corresponding to the MAC address information from the location information providing service apparatus to the information providing service apparatus via the communication unit;
And a user terminal. The method according to claim 1,
The probe request message
A MAC header, a frame body, and a frame check sequence (FCS)
The MAC header includes at least one of a frame control field, a duration field, a destination address field, a sending address field, a BSSID field, and a sequence control field Lt; RTI ID = 0.0 > 1, < / RTI > 3. The method of claim 2,
Wherein the controller extracts the source address field as MAC address information. The method according to claim 1,
The control unit
And controls the received user information to be displayed on the display unit when the user information corresponding to the MAC address information is received from the location information providing service apparatus through the communication unit. The method according to claim 1,
The control unit
Further extracts the access point information included in the probe request message, and transmits the extracted access point information together with the MAC address information to the location information providing service device through the communication unit. The method according to claim 1,
The control unit
When the user information received from the location information providing service apparatus through the communication unit is included in the information list of the pre-stored information, the control unit controls the received user information to be displayed together with a mark indicating that the user information is a display time through the display unit Lt; / RTI > A service communication unit for transmitting and receiving information to and from one or more user terminals;
A service storage unit for storing and managing at least one user information and MAC address information mapped corresponding to the user information; And
When the MAC address information extracted from the probe request message is received from any one of the user terminals through the service communication unit, the user information mapped to the MAC address information is confirmed through the service storage unit, A service controller for controlling the terminal to be transmitted to the user terminal through a communication unit;
The location information providing apparatus comprising: 8. The method of claim 7,
The service storage unit
Further storing and managing the mapped community information corresponding to the user information,
The service control unit
When the MAC address information is received from the user terminal through the service communication unit, after the user information of the user terminal is checked, the mapped community information corresponding to the user information includes user information mapped to the MAC address information The control unit controls the user information to be transmitted to the user terminal through the service communication unit. 8. The method of claim 7,
The service storage unit
Further storing and managing the risk level information for each user information,
The service control unit
The method of claim 1, further comprising the steps of: if the MAC address information is received from the user terminal through the service communication unit, checking the risk level information for each user information corresponding to the MAC address information, And controls the user information to be transmitted through the communication unit. 8. The method of claim 7,
The service control unit
Wherein the control unit controls the location information to be stored in the service storage unit according to the user information when the location information is received together with the MAC address information from the user terminal. The method comprising the steps of: detecting a probe request message transmitted by a user terminal to an access point by one or more other user terminals within a certain coverage;
Extracting MAC address information from the probe request message by the user terminal;
Transmitting, by the user terminal, the extracted MAC address information to a location information providing service device; And
Receiving user information corresponding to the MAC address information from the location information providing service device;
Wherein the location information includes at least one of location information and location information. 12. The method of claim 11,
After receiving the user information,
Displaying the received user information on the user terminal;
The method of claim 1, further comprising the step of providing location information using the wireless LAN access information. Receiving a MAC address information extracted from a probe request message from any one of the user terminals;
Confirming previously stored user information corresponding to the MAC address information; And
Transmitting the user information from the location information providing service device to the user terminal;
Wherein the location information includes at least one of location information and location information. A computer-readable recording medium storing a program for executing a method for providing location information using the wireless LAN access information according to at least one of claims 11 to 13.

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