KR20040002034A - Method of Searching Hotspot Information for Public Wireless Local Area Network - Google Patents

Abstract

PURPOSE: A method for retrieving position information for a public wireless LAN(Local Area Network) service is provided to search a hotspot position for which a user wishes by retrieving stored hotspot position information when a terminal is in a communication connection state. CONSTITUTION: A terminal attempts communication connection(200). If the communication connection is achieved, the terminal transmits version information about current position information to a hotspot position information server(202). The terminal receives and updates newly registered or changed hotspot position information from the hotspot position information server(204,206). If it is impossible for communication connection(208), the terminal provides previously stored hotspot position information(210).

Description

Location Information Search Method for Public Wireless LAN Service {Method of Searching Hotspot Information for Public Wireless Local Area Network}

The present invention relates to a location information retrieval method for a public wireless LAN service and a computer-readable recording medium recording a program for realizing the method. More particularly, the present invention relates to a hotspot stored when a terminal is in a communication connection state. This is to search the location information so that the user can go to the desired hot spot location.

In general, a wireless local area network (WLAN) refers to a wireless LAN that transmits and receives data wirelessly using radio frequency (RF) or light between a computer and a computer or a computer and other communication systems.

Rather than performing a network formal with a wired cable, it is possible to establish a network within a relatively faster time than a wired LAN because it communicates using electromagnetic waves from an access point device to a terminal. This allows communication on the go using notebook PCs and PC cards without staying in a fixed desktop environment, allowing members to freely network using buildings and buildings or within buildings.

In particular, the public wireless LAN service is a service that allows users to freely use the wireless Internet outside of their home or home with an access point using a notebook PC equipped with a wireless LAN card or a personal digital assistant (PDA). This is a very useful service in areas with apartments or offices.

That is, if a wireless access device is installed in an access point installed at a wired network end, a terminal such as a notebook PC and a personal digital assistant (PDA) equipped with a wireless LAN card can be used within a radius of 100 m. At this time, the public WLAN serviceable area is called a hotspot.

In addition, since the public WLAN service can be serviced only in a limited area called a hotspot, the user needs to search for a nearby hotspot to find a service in order to receive the service with the terminal.

However, since communication is not possible in areas other than hotspots, if the terminal is located outside the hotspots, the connection itself cannot be established with the server with the hotspot location information. There was a problem that information could not be obtained.

The present invention has been proposed in order to solve the above problems, in which a wireless LAN card is built-in, the terminal receiving a wireless LAN service automatically connects to a hotspot location information server upon initial communication connection to the terminal. When the version of the stored location information is transmitted to the hot spot location information server, when there is new and changed information compared to the version of the hot spot location information stored in the database of the hot spot location information server, the new / changed location information is transmitted to the terminal. Save the hotspot location information, update the version, and if the communication connection is not possible, search for the hotspot location by using the hotspot location information stored in the terminal, so that the terminal user who is out of the hotspot area goes to the hotspot area. For public WLAN service to receive the minimum location information available To provide a computer readable recording medium recording a program for realizing an information search method, and it is an object of the method.

1 is a configuration diagram of an embodiment of a public wireless LAN service system according to the present invention.

2 is a flowchart illustrating an embodiment of a public WLAN service process according to the present invention;

3 is a screen configuration diagram of an embodiment for retrieving hot spot information stored in a terminal according to the present invention;

4 is an embodiment structural diagram of an information table for storing hot spot information in a database according to the present invention;

* Explanation of symbols for the main parts of the drawings

11 terminal 12 access point (AP)

13: Hub 14: Hot spot location information server

15: Database

According to an aspect of the present invention, there is provided a method for retrieving location information for a public WLAN service in a public WLAN system, comprising: a first step of attempting a communication connection; A second step of, if the communication connection is made, the terminal transmitting version information on the current location information to the hot spot location information server; A third step of the terminal receiving and updating newly registered or changed hot spot location information from the hot spot location information server; And a fourth step of providing previously stored hot spot location information when communication connection is impossible.

The present invention also provides a public wireless LAN system including a processor, comprising: a first function for attempting a communication connection; A second function of, when the communication connection is made, the terminal to transmit version information on the current location information to the hot spot location information server; A third function of receiving and updating newly registered or changed hot spot location information from the hot spot location information server by the terminal; And a computer-readable recording medium having recorded thereon a program for realizing a fourth function of providing the pre-stored hot spot position information when communication connection is impossible.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of an embodiment of a public WLAN service system according to the present invention.

As shown in Figure 1, the public network wireless LAN service system according to the present invention, the terminal 11 equipped with a wireless LAN card, such as a laptop PC or a personal digital assistant (PDA), connected to the hub 13 by wire And an access point 12 capable of wirelessly transmitting and receiving with a terminal, a hub 13 connected by wire with an internet or a server, a hot spot location information server 14 providing location information capable of wireless LAN service, and a wireless LAN. And a database 15 for storing serviceable location information (hot spot information).

The terminal 11 is automatically connected to the hot spot location information server 14 located in the Internet (public network) via the access point 12 and the hub 13.

The hot spot location information server 14 stores the newly registered or updated version location information (hot spot information) in the database 15, and is a version of the location information (hot spot information) transmitted from the terminal 11. And when there is new / changed location information (hot spot information) in comparison with the version stored in the database 15, it is transmitted to the terminal 11.

2 is a flowchart illustrating a location information retrieval process in a public wireless LAN system according to the present invention.

As shown in FIG. 2, first, when a communication connection with the Internet is established through a wired or wireless connection in a terminal, the terminal is automatically connected to a hot spot location information server (200), and for the hot spot location information in the terminal. The last connection date and version information is transmitted to the hot spot location information server (202).

The hot spot location information server compares the last access date and version information of the hot spot location information received from the terminal with the version information of the location information (hot spot information) in the database server, and the version is updated to newly register or change. If there is hot spot information, new / changed information is sent to the terminal (204).

The terminal stores the new / modified hot spot location information sent from the hot spot location information server in the memory of the terminal and updates the last connection date and version information (206).

Thereafter, when the terminal is not connected to the communication, the user searches for the desired hot spot location using the stored hot spot location information through the above process (210).

FIG. 3 is a diagram illustrating a screen configuration for searching for hot spot information stored in a terminal according to the present invention. When a user is located in an area other than the hot spot, a search item for searching for hot spot information to go to a hot spot area is shown. And a search execution result screen.

As shown in Figure 3, the hot spot information search screen stored in the terminal according to an embodiment of the present invention, the city / province 31, the city / county / district 32, the east / town / city 33 The search screen is configured to perform a wireless LAN service area (hot spot) search through a, and hot spot classification 34, and a wireless service area (hot spot) search through a place name.

That is, to search for location information, the search items divided into city / province (31), city / gun / gu (32), and east / eup / myeon (33) can be selected and searched using the address information of the hot spot. The search options can be added according to the type of hot spot (school, hotel, theater, subway, coffee shop, etc.).

In addition, if the name of a specific hot spot place is known, the name 35 can be searched. The results of the search are displayed in a list form in the table 36 at the bottom of the screen, and information such as the name, address, and contact telephone number of the business is output for each hot spot so that the user can visit the hot spot. Provide minimal information.

However, the search screen of the present invention is only an embodiment, and the configuration of the search item and the search screen for searching the service area may be represented by other structures.

4 is a structural diagram of an embodiment of an information table for storing hot spot information in a database according to the present invention.

As shown in Fig. 4, the table 41 of the hot spot information database according to the present invention includes a hot spot code, a hot spot name, a hot spot type (classification code), a telephone number, a copper code, and an address format (mounting address). And the like, address, call, address, and subaddress. The classification code refers to the classification code table, and the code refers to the address information table.

In order to unify and manage the address information, the same code was defined, and the address information table 42 referred to by the code consists of the same code, city / province, city / gun / gu, and east / eup / myeon.

The classification code table 43 referred to by the classification code is composed of a hot spot type by a type code (classification code) and a type name (classification name).

At this time, the items of each information table are the minimum location information for the user to go to the hot spot area, and the structure of each information table in the present invention is only an embodiment, and the items are added according to the search structure of FIG. Since they can be deleted or deleted, the structure of each table may be expressed differently.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

As described above, the present invention stores the hotspot location information while the terminal is connected to communicate with the hotspot information stored in the terminal in order to receive public wireless LAN service in an area other than the hotspot. By searching, the user can go to the hot spot location, so that the public WLAN service is always available.

Claims (6)

A method for retrieving location information for a public WLAN service in a public WLAN system, A first step of attempting a communication connection; A second step of, if the communication connection is made, the terminal transmitting version information on the current location information to the hot spot location information server; A third step of the terminal receiving and updating newly registered or changed hot spot location information from the hot spot location information server; And A fourth step of providing the previously stored hot spot location information when the communication connection is impossible; Location information retrieval method for a public wireless LAN service comprising a. The method of claim 1, A fifth step of repeating the second and third steps until the communication connection is established and then disconnected Location information search method for a public wireless LAN service further comprising. The method of claim 1, The hot spot location information, The hot spot code, hot spot name, hot spot classification code, telephone number, identification code, address format, address, call, address and detail address for each hot spot place are stored in a database table. Location information retrieval method for public WLAN service. The method of claim 3, The same cord is, A location information retrieval method for a public wireless LAN service, which is defined to unify address information, and is comprised of a city, a province, a city, a county, a town, and a town, a town. The method of claim 3, The hot spot classification code is, A location information retrieval method for a public wireless LAN service, comprising: a hot spot type code and a type name. In a public wireless LAN service system having a large capacity processor, A first function of attempting a communication connection; A second function of, when the communication connection is made, the terminal to transmit version information on the current location information to the hot spot location information server; A third function of receiving and updating newly registered or changed hot spot location information from the hot spot location information server by the terminal; And A fourth function of providing the previously stored hot spot location information when the communication connection is impossible A computer-readable recording medium having recorded thereon a program for realizing this.