KR20120129249A - Method for setting up a WLAN connection and resolving the indoor locastion of a station using the QRQuick Response code and sound wave - Google Patents

Abstract

PURPOSE: A WLAN(wireless local area network) access setup method and an indoor location confirmation method thereof are provided to receive an internet service using SSID(service set ID), a WEP(wired equivalent privacy) key, and additional information. CONSTITUTION: A smartphone(20) scans a QR barcode using an executed QR code scan application. The smartphone detects the recognized QR code information. The smartphone access an AP access authentication server(30) based on the detected QR code information. The smartphone receives authentication information from the AP access authentication server. The smartphone automatically connects to an AP(access point)(40) using the SSID and WEP included in the authentication information received from the AP access authentication server. [Reference numerals] (1) Scan; (10) QR code; (2) Authentication information collection; (20) Smart phone; (3) Connection; (30) AP access authentication server; (50) Business place service

Description

Method for setting up a WLAN connection and resolving the indoor locastion of a station using the QR (Quick Response) code and sound wave}

The present invention relates to a wireless LAN access and service system, and more particularly, to provide a service linking function for easy access to an access point (AP) using a QR code and sound waves and indoor location checking using local ID information of a QR code. The present invention relates to a wireless LAN connection setting method and an indoor location checking method.

Access to the AP of the existing wireless LAN allows anyone or anyone who knows information such as SSID (Service Set ID) or WEP (Wired Equivalent Privacy) to easily access the AP.

However, if anyone accesses to AP easily without encryption, Internet service is available outside the service area due to the nature of wireless, and the increase of users due to the characteristic of wireless LAN that divides resources causes performance degradation, and also when using encryption key There is a problem of having to inform the user of the encryption key every time a change is made.

Recently, due to the activation of smartphones, many places are considering linking with workplace services using smartphone apps. The most necessary technology for smartphones to receive services using workplace information is Internet technology. Since access to the AP is essential, a technique for solving this problem has been studied.

However, there is still a lack of ways to access the AP more easily and to easily connect with the workplace information. Therefore, technology based on the AP access method and service connection method of the smart phone is continuously required.

Therefore, the present invention has been made to solve the above problems, SSID, WEP key and additional information received from the QR code authentication server to access the QR code authentication server by collecting the QR code authentication server location information using the QR code The purpose of the present invention is to provide a wireless LAN connection setting method and an indoor location checking method for allowing a user's terminal to easily access an AP to support an Internet service and to be connected with a service of a workplace.

Another object of the present invention is to enable the user's terminal to access the AP by transmitting authentication information and additional information using sound waves, and the service of the workplace for indoor location confirmation using the local ID information of the QR code The present invention provides a method for establishing a wireless LAN connection and an indoor positioning method for enabling an association.

Features of the wireless LAN connection setting method using a QR code according to the present invention for achieving the above object is composed of a QR code, a smart phone, an AP connection authentication server, an AP, a business service server (A ) Scanning a QR barcode through a QR code scanning app (app) running on a smartphone to detect the recognized QR code information, (B) access to the AP access authentication server based on the detected QR code information And receiving authentication information from the AP access authentication server to the smart phone, and (C) automatically accessing the AP using the SSID and WEP included in the authentication information received from the AP access authentication server. .

Preferably, the QR code information includes a local ID including indoor location information for future service linkage, and AP access authentication server location information which is absolute path location information of the AP access authentication server for authentication to the AP. .

Preferably, the authentication information includes a date, time, local ID, SSID, WEP, business site link information.

Preferably, when the AP is automatically connected to the AP, the method further includes receiving an Internet service provided by a workplace service in connection with a workplace service server through the accessed AP based on the workplace link information included in the authentication information. do.

Features of the wireless LAN connection setting method using sound waves according to the present invention for achieving the above object is composed of a QR code, a smart phone, a sound wave scan app server, a sound wave information generator, an AP, a business service server (A) scanning a QR barcode through a QR code scanning app (app) executed on a smartphone to detect recognized QR code information, and (b) a sound wave receiving AP access app (app) executed on a smartphone Receiving the sound waves generated by the sound wave information generator as a microphone, and detecting the recognized sound wave information; and (c) automatically connecting to the AP using the SSID and the WEP included in the detected sound wave information. It is.

Preferably, the frequency band of the sound wave generated by the sound wave information generator is characterized by using a band of 200Hz or 20,000Hz.

Preferably, the sound wave information may include at least one or more of date and time, SSID, WED, and business site link information.

Preferably in the step (b), if the sound wave receiving AP access app (app) is not installed on the smart phone to scan the QR code using the smart phone based on the detected QR code information to the sound wave scan app server Approaching, characterized in that it comprises the step of installing a sound wave receiving AP access app on the smartphone.

Preferably, the QR code information includes a local ID for indoor location including indoor location information, and a sound wave scan app server location information that is absolute path location information to a sound wave scan app server for installing the sound wave receiving AP access app. It is characterized by including.

Preferably, when the AP is automatically connected to the AP, the method may further include receiving an Internet service provided by a workplace service in connection with a workplace service server through the accessed AP based on the workplace link information included in the sound wave information. do.

Preferably, the step of automatically accessing the AP includes scanning the entire channel through the smart phone to search for neighboring APs, and for the AP discovered through the AP discovery, the smart phone requests an authentication to the AP (Authentication Request). Performing authentication between the smartphone and the AP, and transmitting the association request frame to the AP with respect to the authenticated AP. Connecting the channel between the smartphone and the AP by receiving an association response message, and transmitting the DHCP request frame to the AP through the connected channel to receive a DHCP response message. And obtaining an IP between the phone and the AP.

As described above, the AP access method and the service connection method of the smart phone using the QR code and the sound wave according to the present invention have the following effects.

First, the smartphone can receive AP access information only by QR code recognition and access to the AP based on the information.

Second, the smartphone can access the AP by recognizing the signal of the sound wave information generator. The sound wave has the advantage that a person can recognize the presence or absence of signal generation, and can recognize information through a microphone of a smartphone.

Third, by using Local ID when accessing AP, it is possible to check in which location and which service is connected.

Fourth, after access to the AP can be quickly received information (menu, electronic payment) of the workplace and by using this, users can receive a convenient and fast service.

1 is a block diagram illustrating an AP access method of a smart phone using a QR code according to an embodiment of the present invention
2 is a block diagram illustrating an AP access method of a smart phone using a QR code and sound waves according to another embodiment of the present invention
3 is a process diagram illustrating a wireless LAN access process of a smartphone in FIGS. 1 and 2;
4 is a block diagram of a data frame generated by a QR code in FIG.
5 is a diagram illustrating a data frame generated from an AP access authentication server in FIG.
6 is a configuration diagram of a data frame generated by a QR code in FIG.
7 is a flowchart for explaining an AP access method of a smart phone using a QR code according to an embodiment of the present invention.
8 is a flowchart illustrating an AP access method of a smart phone using a QR code and sound waves according to an embodiment of the present invention

Other objects, features and advantages of the present invention will become apparent from the detailed description of the embodiments with reference to the accompanying drawings.

Referring to the accompanying drawings, a preferred embodiment of a method for accessing an AP using a QR code and sound waves according to the present invention will be described below. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It is provided to let you know. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

1 is a block diagram illustrating an AP access method of a smart phone using a QR code according to an embodiment of the present invention, Figure 7 illustrates an AP access method of a smart phone using a QR code according to an embodiment of the present invention Flowchart for

As shown in FIG. 1, the configuration at this time includes a QR code 10, a smart phone 20, an AP connection authentication server 30, an AP 40, and a business service server 50. At this time, the smart phone 20 includes all the portable terminals capable of wireless communication.

And as the AP access method of the smart phone through such a configuration, as shown in FIG. 7, the smart phone 20 executes a QR code scanning app, and then a QR code which is a two-dimensional barcode of a matrix format representing information in a black and white lattice pattern ( 10) scan to detect the recognized QR code information (S10). At this time, the QR code information, as shown in Fig. 4, AP access authentication server which is the local ID and the absolute path location information of the AP connection authentication server 30 for authentication to the AP 40 for the service connection in the future Contains location information.

Then, the smart phone 20 accesses the AP access authentication server 30 based on the detected QR code information (S20), and receives authentication information from the AP access authentication server 30 (S30). At this time, the authentication information, as shown in Figure 5, includes the date and time, local ID, SSID, WEP, business site link information.

The smart phone 20 transmits an authentication request frame with the AP 40 based on the authentication information received from the AP access authentication server 30 to receive an authentication response message. After connecting the channel with the authenticated AP, the user accesses the AP by acquiring an IP through the connected channel (S40). That is, the SSID and the WEP included in the authentication information are automatically connected to the AP 40, and the linkage service with the workplace service server 50 is possible based on the workplace link information.

For example, when the smartphone 20 accesses the AP 40 with a QR code, the date and time, local ID information, etc. are transmitted to the business service server 50 and connected to the electronic menu screen to apply for a menu. One-stop service is available up to electronic payment using 20). At this time, by transmitting the local ID information, etc., the operator can check who is applying for the service at a time. In addition, by separately configuring the AP connection authentication server 30, when modifying the information for the AP connection, by changing only the QR code information stored in the AP connection authentication server 30 without changing the QR code from time to time, The access information of the AP can be more easily modified.

Accordingly, the smart phone 20 is connected to the business service server 50 through the connected AP 40 based on the date and time and local ID information to receive the Internet service provided by the business service 50. (S50).

2 is a block diagram illustrating an AP access method of a smart phone using a QR code and sound waves according to another embodiment of the present invention, Figure 8 is an AP of a smart phone using a QR code and sound waves according to an embodiment of the present invention A flowchart for explaining the connection method.

2, the configuration at this time is a QR code 10, a smart phone 20, a sound wave scan app server 60, a sound wave information generator 70, an AP 40, a business service server ( 50).

Then, as the AP access method of the smart phone through such a configuration, as shown in FIG. 8, the smart phone 20 executes a QR code scanning app, and then a QR code which is a two-dimensional barcode of matrix format representing information in a black and white lattice pattern ( 10) scan to detect the recognized QR code information (S100). At this time, the QR code information, as shown in Figure 6, the local location, the indoor location information for indoor location confirmation, and the sound wave scan app that is the absolute path location information to the sound wave scan app server 60 for the installation of the sound receiving AP access app Contains server location information.

Subsequently, after executing the sound wave receiving AP access app (app) through the smart phone 20 (S300), the sound wave information received from the sound wave information generator 70 is detected through the microphone to detect the recognized sound wave information (S400). . At this time, the frequency band of the generated sound wave uses a band of 200Hz or 20,000Hz. The characteristic of this frequency band is that it can use the recording function of smart phone, and it is a non-audible band which is hard to recognize. The sound wave information includes date and time, SSID, WED, and business site link information.

Then, the smartphone 20 transmits an authentication request frame with the AP 40 based on the detected sound wave information, and receives an authentication response message to connect the channel with the authenticated AP. Then, by obtaining the IP to the connected channel, the access to the AP (S500). Therefore, the SSID and the WEP included in the sound wave information are automatically connected to the AP 40, and the linkage service with the workplace service server 50 is possible based on the workplace link information.

For example, when the smart phone 20 accesses the AP 40 with sound wave information, the date and time, local ID information, etc. are transmitted to the business service server 50 and connected to the electronic menu screen to apply for a menu. One-stop service is available up to electronic payment using 20). At this time, by transmitting the local ID information, etc., the operator can check who is applying for the service at a time.

Accordingly, the smart phone 20 is provided in the business service 50 in connection with the business service server 50 through the connected AP 40 on the basis of local ID information included in the date and time and QR code information. Internet service is supported (S800).

On the other hand, when the sound wave receiving AP access app (app) is not installed on the smart phone 20 (S200), the sound wave scan app server location information included in the QR code information detected through the smart phone 20 Based on the connection to the sound wave scanning app server 60 (S600), and installs the sound wave receiving AP access to the smart phone 20 (S700).

3 is a flowchart illustrating a wireless LAN access process of the smart phone of FIGS. 1 and 2.

As shown in FIG. 3, the WLAN access process of the smart phone includes an AP discovery process in which the smartphone 20 scans the entire channel to find the neighboring AP 40, and the AP 40 discovered through the AP discovery. The smart phone 20 transmits an authentication request frame with the AP 40 to receive an authentication response message, thereby performing authentication between the smart phone 20 and the AP 40. Process, the smartphone 20 with respect to the authenticated AP (40) by transmitting an association request (Association Request) frame with the AP 40 by receiving an association response (Association Response) message, the smartphone (20) ) And a process of connecting a channel between the AP 40 and the smartphone 20 by receiving a DHCP response message by transmitting a DHCP request frame with the AP 40 through the connected channel. And the process of obtaining an IP between the AP 40.

Although the technical spirit of the present invention described above has been described in detail in a preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (11)

It consists of a QR code, a smartphone, an AP connection authentication server, an AP, and a business service server.
(A) scanning the QR barcode through the QR code scanning app (app) running on the smartphone to detect the recognized QR code information,
(B) accessing an AP access authentication server based on the detected QR code information, and receiving authentication information from the AP access authentication server to a smart phone;
And (C) automatically accessing the AP using the SSID and the WEP included in the authentication information received from the AP access authentication server. The method of claim 1,
The QR code information includes a local ID including indoor location information for future service linkage, and the AP access authentication server location information which is the absolute path location information of the AP access authentication server for authentication to the AP. How to set up a connection. The method of claim 1,
The authentication information includes a date and time, local ID, SSID, WEP, business site link information. The method of claim 1,
If the AP is automatically connected to the AP based on the business site link information included in the authentication information, the step of receiving the Internet service provided by the business service in connection with the business service server through the connected AP further comprises a wireless How to set up a LAN connection. QR code, smart phone, sound wave scanning app server, sound wave information generator, AP, business service server,
(a) scanning the QR barcode through the QR code scanning app (app) executed on the smartphone to detect the recognized QR code information;
(b) detecting the recognized sound wave information by receiving a sound wave generated by the sound wave information generator as a microphone through a sound wave receiving AP access app executed in the smart phone;
and (c) automatically accessing an AP using an SSID and a WEP included in the detected sound wave information. The method of claim 5, wherein
The frequency band of the sound wave generated by the sound wave information generator uses a band of 200Hz or 20,000Hz. The method of claim 5, wherein
The sound wave information includes at least one or more of the date and time, SSID, WED, business site link information. The method of claim 5, wherein in step (b)
When the sound wave receiving AP connection app (app) is not installed on the smartphone, the QR code is scanned using the smartphone to access the sound wave scanning app server based on the detected QR code information, and the sound wave is applied to the smartphone. WLAN access setting method comprising the step of installing the receiving AP connection and. The method of claim 8,
The QR code information includes a local ID for indoor location including indoor location information, and a sound wave scan app server location information which is absolute path location information to a sound wave scan app server for installing the sound wave receiving AP access app. WLAN connection setting method, characterized in that. The method of claim 5, wherein
If the AP is automatically connected to the wireless network, characterized in that the step of receiving the Internet service provided by the workplace service in connection with the workplace service server through the connected AP based on the business site link information included in the sound wave information How to set up a LAN connection. 6. The method of claim 1 or 5, wherein automatically accessing the AP
Scanning neighboring APs by scanning the entire channels through the smartphone;
Performing authentication between the smartphone and the AP by receiving an authentication response message by transmitting an authentication request frame to the AP for the AP discovered through the AP discovery;
Connecting the channel between the smartphone and the AP by receiving an association response message by transmitting an association request frame to the AP with respect to the authenticated AP;
And receiving a DHCP response message by sending a DHCP request frame to the AP via the connected channel, thereby obtaining an IP between the smartphone and the AP.

Images