KR20120063686A - Location share system using wireless terminal and gps device - Google Patents

Abstract

PURPOSE: A location share system using a wireless terminal and a GPS device is provided to allow multilateral parties to immediately recognize their locations and to provide a service using the same. CONSTITUTION: A plurality of wireless terminals(10) includes a GPS receiver(10a-1), receives location information from the GPS satellite, and transmits the location information to a relay server(30) through a communication network(20). The wireless terminal receives the location information of each wireless terminal belonging to a location information sharing group requested from the relay server and displays the location information on a display unit(10b-n). The relay server receives the location information of each wireless terminal from the plurality of wireless terminals through the communication network and determines which location information sharing group the location information belong to. The relay server transmits the location information of the wireless terminal belonging to a corresponding location information sharing group to the plurality of wireless terminals belonging to the location information sharing group.

Description

Multi-location location sharing system using wireless terminal and GPS {location share system using wireless terminal and GPS device}

The present invention relates to a multi-party location information sharing system using a wireless terminal and the GPS, in particular, a wireless terminal having a plurality of GPS receivers to check the location information in real time to transmit to a relay server for location information sharing each wireless terminal The present invention relates to a wireless terminal capable of grasping the location of another wireless terminal in real time and a multi-party location information sharing system using GPS.

Currently, the LBS (Locatio Base System) of the wireless terminal is only to determine the user's single location and tell the location. To improve this, there are applications that check the location of two or more multi parties, but there are many problems with these applications.

Most of the multilateral LBS is only a line indicating the current position of the corresponding party, and the service of the application type using the same is only a level of the letter exchange between the parties, and thus various service types need to be improved.

In order to improve such a problem, Korean Patent No. 10-0499311 discloses a multi-party location sharing system using a GPS radio and a location sharing wired / wireless repeater.

Figure 1 shows a screen sharing the position displayed on the radio of the multi-party location sharing system according to the prior art.

The screen shown is an enlarged screen of any one of a plurality of GPS radios in which their current position and the positions of other GPS radios are indicated by dots according to Korean Patent No. 10-0499311. As shown, on a GPS radio belonging to a specific group, both its location and the locations of other GPS radios are displayed. Here, the specific group refers to a group of GPS radios having the same frequency channel allocated to the GPS radio.

The position display is displayed for each position of the GPS radio belonging to the location, the GPS radio information includes the information indicating the GPS radio bearer or the radio unique number.

Since the identification code number for distinguishing each GPS radio is assigned and transmitted together with the transmission of the location information, when the location information received from the location sharing wired / wireless repeater is output on the screen for each location of the GPS radio, The identification code number is classified so that the GPS radio information belonging to the location is displayed.

The multi-party location sharing system using GPS radio and location sharing wired / wireless repeater of Korean Patent No. 10-0499311 according to the prior art does not have security measures for the location information of each GPS radio user and has the restriction of using the same frequency channel. have.

Location information should be treated as important privacy information that should never be used without your permission. However, most LBS applications neglect this privacy for user convenience or benefit.

However, on the contrary, for the convenience of the user, the other party's location information confirmation proves that it is a useful and beneficial method in life. In other words, multilateral LBS can be a big advantage if you can know who the other party is and can't be used for malicious location tracking.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a multi-party location information sharing system using a wireless terminal and GPS which can improve various service types.

Another object of the present invention is to provide a multi-party location information sharing system using a wireless terminal and GPS to ensure that each of the location information is delivered to the other party with their permission to protect their privacy.

Still another object of the present invention is to provide a multi-party location information sharing system using a wireless terminal and GPS that can be prevented from being used for malicious location tracking by strengthening security and confirming the location with the other party.

Another object of the present invention is to encrypt the multi-party location information and each of the personal authentication information of the multi-party to exchange in real time in a form that can not be leaked externally and only the personal authentication information can not know the other party, only the security authentication is completed and decrypted the detailed information of the other party It is to provide a multi-party location information sharing system using a wireless terminal and GPS to check the information.

In order to achieve the above object, according to an embodiment of the multi-party location information sharing system using the wireless terminal and the GPS according to the present invention is equipped with a GPS receiver to receive the location information from the GPS satellite to transmit to the relay server through a communication network and A plurality of wireless terminals receiving position information of each wireless terminal belonging to the location information sharing group requested by the wireless terminal from the relay server and displaying the position information on the display unit; Receiving location information of each wireless terminal from the plurality of wireless terminals through a communication network to determine which location information sharing group, and to determine the location information sharing group, the location information of the wireless terminal belonging to the location sharing group with a plurality of wireless terminals belonging to the location information sharing group Characterized in that consisting of a relay server for transmitting the.

According to an embodiment of a multi-party location information sharing system using a wireless terminal and GPS according to the present invention, the relay server includes a communication unit for receiving data from a wireless terminal for applying to join a location sharing group input through a communication network; An encryption unit including a random number generator to generate a security key; Receive the data related to the wireless terminal requesting to join a specific location information sharing group from the communication unit and store in the memory unit and receive the location data from the wireless terminal belonging to the specific location information sharing group the specific stored in the memory unit After changing location data of the wireless terminal belonging to the location information sharing group, generating a random number from the random number generator of the encryption unit, generating a security key, encrypting the changed location data and the security key, and encrypting each of the specific location information sharing group. A relay server controller for controlling the communication unit to be transmitted to a wireless terminal; And a memory unit for receiving and storing data on the location information sharing group from the relay server controller.

According to an embodiment of a multi-party location information sharing system using a wireless terminal and the GPS according to the present invention, a method of transmitting location information by encrypting using a security key between wireless terminals, the sender's wireless terminal is a personal identification information Transmitting to the relay server and requesting a security key; The relay server generates a security key with a random number generator of the encryption unit in order to encrypt the location information and the personal authentication number, and transmitting the security key to the wireless terminal of the sender; Encrypting the transmission information by using the received security key, the location information, and the personal authentication number, and transmitting the transmitted information to the relay server; The relay server requesting acknowledgment and personal identification information from a wireless terminal of a receiver; Transmitting, by the receiver's wireless terminal, personal identification information to a relay server; The relay server encrypts the transmission information using a security key and personal identification information of the receiver wireless terminal and transmits the transmitted information to the receiver's wireless terminal; Requesting the transmission of a security key after confirming whether or not the receiver has a problem with the received telegram; The relay server transmitting a security key to a receiver's wireless terminal and notifying the sender's wireless terminal that the transmission information has been transmitted to the receiver's wireless terminal; The relay server is characterized in that the step of allowing the receiver's wireless terminal to accept the decryption to display the location information of the transmitter's wireless terminal on the receiver's wireless terminal.

 According to an embodiment of a multi-party location information sharing system using a wireless terminal and the GPS according to the present invention, the wireless terminal receives the location information of a plurality of wireless terminals belonging to the location information sharing group at regular intervals to update and synchronize the location information. Tracks and calculates the movement path of the user of the wireless terminal based on the synchronized location information of each wireless terminal, and displays it on the display unit of the wireless terminal of each wireless terminal belonging to the location information sharing group applied by the wireless terminal. And receiving and displaying the location information on the display unit.

According to an embodiment of the multi-party location information sharing system using the wireless terminal and the GPS according to the present invention, two split screens are displayed on the display unit of the wireless terminal, and the split screen displayed on the left is the location information of the wireless terminal used by the sender. The split screen displayed on the right side is characterized in that the split screen for displaying the location information of the wireless terminal used by a plurality of recipients.

According to an embodiment of a multi-party location information sharing system using a wireless terminal and GPS according to the present invention, when a plurality of wireless terminals transmit and receive information in real time, text, voice, image, video, audio image that can be exchanged in addition to the location information It supports multi-party transmission / reception of information.

According to an embodiment of a multi-party location information sharing system using a wireless terminal and GPS according to the present invention, when a plurality of wireless terminals transmit and receive voice image information in real time, the plurality of wireless terminals provide a security key used for encryption and decryption. Relay system that supports security authentication system between wireless terminals and receives and distributes information that needs to be transmitted and received to each other by grouping multiple groups of wireless terminals that transmit and receive voice image information in real time as a unit and maintaining each connection state It characterized in that to provide.

As described above, according to the present invention, even when exchanging location information with a third party through a security authentication system for the other party, it is possible to reliably recognize and use who is provided, which is advantageous for personal information protection. It prevents the risks of location tracking that can be exploited for malicious purposes through a system that restricts and controls the use of the other party's authentication and only for specific purposes and purposes.

By real-time tracking and connecting multiple locations and displaying them, you can instantly know each other's location and promote services using them. In addition, the use of the service is expanded by sharing not only the user's location but also a location having a third specific purpose.

It is possible to provide specialized services for locating with a specific purpose, rather than locating between individuals. For example, the service can be maximized when a third party can identify the other party and determine its location in real time. High value for

1 is a screen sharing the position displayed on the radio of the multi-party location sharing system according to the prior art,
2 is a block diagram showing the configuration of a multi-party location information sharing system using a wireless terminal and GPS according to the present invention;
3 is a block diagram showing the configuration of a wireless terminal according to the present invention;
4 is a block diagram showing the configuration of a relay server according to the present invention;
5 is an embodiment of an encryption method using a security key between a transmitter's wireless terminal and a receiver's wireless terminal according to the present invention;
6 is an embodiment in which the movement path of the user of the wireless terminal is calculated and displayed on the screen of each wireless terminal based on the location information of each wireless terminal synchronized by the present invention;
7 shows an embodiment of a split screen and a multiple display telephone displayed on a display unit of a wireless terminal according to the present invention;
8 is an embodiment of the augmented reality screen reflecting the position changes in real time provided by the multi-party location sharing system according to the present invention,
9 is a block diagram of a central control system provided by a multi-party location sharing system according to the present invention.

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

2 is a block diagram showing the configuration of a multi-party location information sharing system using a wireless terminal and GPS according to the present invention.

The multi-party location information sharing system using the wireless terminal and the GPS according to the present invention includes a GPS receiver 10a to receive location information from the GPS satellite and transmits the location information to the relay server 30 through the communication network 20, and the relay server. A plurality of radio terminals 10 for receiving the position information of each radio terminal belonging to the location information sharing group requested by the radio terminal from 30 and displaying on the display unit 10b; Receives location information of each wireless terminal 10 from the plurality of wireless terminals 10 through the communication network 20 to determine which location information sharing group, and the corresponding location to a plurality of wireless terminals belonging to the location information sharing group. It consists of a relay server 30 for transmitting the location information of the wireless terminal belonging to the shared group. In this case, the switch 40 connects each wireless terminal 10, a relay line, or other devices having other functions according to the request of the plurality of wireless terminals 10 to perform information exchange between the plurality of wireless terminals 10. .

A plurality of wireless terminals (eg, 10-1, 10-2, 1-3) that want to share location information with each other are connected to the relay server 30 or the switch 40 to each specific location information sharing group Apply to join.

Location information is a form that can identify the location of each wireless terminal (eg, 10-1, 10-2, 1-3) using a form or standard format suitable for GPS, GIS or a corresponding positioning system.

In addition, when the radio terminal 10 supports the error range transmission function, the error range of each radio terminal 10 location is also included in the transmission history. This error range can also be checked by the other party's wireless terminal 10 joining the location information sharing group and can be used for the correction of the movement path through the error range and the existing location information at the system level.

In this case, the reference numerals attached to the wireless terminal are indicated by the wireless terminal 10 when indicating as a representative among a plurality of wireless terminals (eg, 10-1, 10-2, ..., 1-n), and when indicating a specific wireless terminal. Displayed by the terminal (eg, 10-1).

The wireless terminals 10 joining the specific location information sharing group are connected to the relay server 30 or the exchange 40 to transmit and exchange each location information and personal authentication information in real time. Personal authentication information includes information that can sufficiently identify who the other party is, and the type of information is changed according to the purpose.

Examples of personal authentication information may include a name, telephone number, date of birth, business registration number, business license number, device unique number, car number, ID or unique number used in the service providing site, ID used in SNS, and the like.

3 is a block diagram showing the configuration of a wireless terminal according to the present invention.

The wireless terminal 10 according to the present invention includes a GPS receiver 10a for receiving location information from a GPS satellite; A display unit 10b for receiving and displaying location information of a wireless terminal belonging to a location information sharing group from the relay server 30; An input unit (10c) for subscribing to a location information sharing group to the relay server (30); The GPS receiver 10a controls to transmit the received location information to the relay server 30, and transmits the location information of the wireless terminal 10 belonging to the location information sharing group applying for location sharing from the relay server 30. Received and controlled to be displayed on the display unit 10b, and controls the input unit 10c to apply for the location information sharing group to the relay server 30, and the relay server 30 and various kinds through the communication network 20 A wireless terminal controller 10d for controlling data to be communicated; The wireless terminal 10 is composed of a communication unit 10e for communicating with the relay server 30 through the communication network 20.

The wireless terminal 10 according to the present invention may be a mobile phone, a smart phone, a notebook computer, navigation, and the like, and a wireless terminal (for example, a cordless phone) attached to a wired terminal such as a general telephone is also possible.

The user may apply for a location sharing group to the relay server 30 through the input unit 10c of the wireless terminal 10. In addition, when the wireless terminal 10 is a device capable of making a voice call such as a mobile phone, a smart phone, it may apply for a location information sharing group to the relay server 30 through voice.

When applying for a location information sharing group, personal authentication information (e.g. name, phone number, date of birth, business registration number, business license number, unique number of the device used, car number, ID used in the service provider site) Or a unique number, ID used in SNS), etc., to permit the location information sharing group.

After a plurality of users who apply for sharing the location information provides the personal authentication information to the relay server 30 and applies for the location information sharing group, the plurality of users use their respective wireless terminals 10 to provide their location information. And to provide the personal authentication information to the relay server (30).

4 is a block diagram showing the configuration of the relay server according to the present invention.

The relay server 30 according to the present invention includes a communication unit 31 for receiving data from the wireless terminal 10 for applying to join a location sharing group input through the communication network 20; An encryption unit (34) having a sewage generator (34a) for generating a security key; Receives data related to the wireless terminal 10 for applying to join a specific location information sharing group from the communication unit 31 and stores the data related to the wireless terminal 10 and the location from the wireless terminal 10 belonging to the specific location information sharing group. Security data is generated by changing the position data of the wireless terminal 10 belonging to the specific location information sharing group stored in the memory unit 33 and generating a random number from the random number generator 34a of the encryption unit 34. A relay server controller (32) for controlling the communication unit (31) so as to be transmitted to each wireless terminal (10) belonging to the specific location information sharing group after encrypting and combining the changed location data and the security key; The memory unit 33 receives and stores data on the location information sharing group from the relay server control unit 32.

The relay server 30 checks the confirmation data (eg, phone number, IP address, etc.) of the wireless terminals (eg, 10-1, 10-2, 10-3, 10-4) applied to join a specific location information sharing group. The personal authentication numbers of the wireless terminals (eg, 10-1, 10-2, 10-3, and 10-4) are stored in the memory unit 33 in association with each other.

The relay server 30 receives location information from the wireless terminals (eg, 10-1, 10-2, 10-3, and 10-4) joining a specific location information sharing group and belongs to the location information sharing group. For example, 10-1, 10-2, 10-3, and 10-4) transmits location information of wireless terminals belonging to the corresponding location information sharing group.

At this time, location information and personal authentication information are encrypted. In the encryption method, the relay server 30 generates a security key through the random number generator 34a of the encryption unit 34 or obtains the security key through authentication at a third location and encrypts the security key. Once a security key is acquired, the data is exchanged by maintaining the security key until the service is terminated.

When transmitting and receiving location information between the wireless terminal 10 and the relay server 30, the corresponding security key is transmitted and received to check whether the information belongs to the location information sharing group.

5 shows an embodiment of an encryption scheme using a security key between a sender's wireless terminal and a receiver's wireless terminal.

The sender's wireless terminal (eg, 10-1) transmits personal identification information (eg, a personal authentication number) to the relay server 30 and requests a security key (step S1). The relay server 30 is a wireless terminal (eg, 10-1, 10-2, 10- applying for joining the personal identification information (eg, personal identification number) of the wireless terminal 10-1 to a specific location information sharing group. 3 and 10-4 are stored in the memory unit 33 in association with confirmation data (eg, a phone number, an IP address, etc.).

Subsequently, the relay server 30 generates a security key with the random number generator 34a of the encryption unit 34 to encrypt the location information and the personal authentication number, and transmits the security key to the sender's wireless terminal 10-1. (Step S2). The sender's wireless terminal 10-1 encrypts the transmission information using the received security key, location information, and personal identification number, and transmits the transmission information to the relay server 30 (step S3).

The relay server 30 requests the acknowledgment and personal identification information from the receiver's wireless terminal (eg, 10-2) (step S4). The receiver's wireless terminal 10-2 transmits the personal identification information to the relay server 30 (step S5). The relay server 30 encrypts the transmission information using the security key and the personal identification information of the receiver wireless terminal 10-2 and transmits the transmitted information to the receiver's wireless terminal 10-2 (step S6).

The receiver's wireless terminal 10-2 checks whether the received telegram is abnormal, and then requests transmission of a security key (step S7). The relay server 30 transmits the security key to the receiver's wireless terminal 10-2 (step S8), and the transmission information is sent to the receiver's wireless terminal 10-2. Indicate that the transfer is completed to 2) (step S9).

The relay server 30 approves the decryption to the receiver's wireless terminal 10-2 so that the receiver's wireless terminal 10-2 displays the location information of the transmitter's wireless terminal (step S10).

The packaging method of data during transmission is processed according to the security level and convenience. For example, it collects all the information, generates it as a token, and sends it in packet units.

After completion of transmission, it is checked whether transmission is completed through mutual communication or relay server. Decryption is performed after checking the information exchange of all users.

The location information is tracked by receiving location information of a plurality of wireless terminals 10 belonging to the location information sharing group at regular intervals according to the purpose of using the location information to update and synchronize the location information.

Then, the movement path of the user of the wireless terminal 10 is calculated based on the location information of each synchronized wireless terminal 10 and displayed on the screen of each wireless terminal 10 as shown in FIG. 6. The synchronization period depends on the purpose but should be kept longer as the number of people increases (within 10-30 seconds for 1: 1).

At this time, if an accurate movement path is required, correction is performed by using an error range value. There are a number of path correction methods, but among them, the wireless terminal 10 can be easily performed as follows.

If there is no intermediate point on the straight line between the starting point and the ending point for the calibration calculation, if the position on the straight line exists within the error range of the middle point, the new intermediate point is moved to the vertical position of the straight line and the middle point of the starting point and the ending point. Specify. For reliability, it can be used for short synchronization periods.

Map matching is performed using geographic data inputted with roads or road routes. It can be used when you are sure you are traveling only on roads or road paths and you need underlying data. Instead, the GPS position can be easily corrected using the base data for map matching.

The location information of a branch having a special purpose or purpose other than the location information of each user is received from a user, a server, or a service provider, and then transmitted and shared.

In the case of indirect connection using the relay server 30 or similar equipment, the relay server 30 receives location information on a measurement point having a special purpose or purpose, and transmits the location information to each user belonging to the location information sharing group. The indications do not need to be synchronized and can only be sent to some users as needed.

When a user's wireless terminal (eg, 10-3) that has measured the location information of a specific point in direct connection between users transmits the location information of the specific point, the receiving wireless terminal (eg, 10-4, 10-5, 10) -6) The wireless terminal 10-3 corresponding to the sender's wireless terminal confirms that all the information has been received, and then performs synchronization by displaying the location.

Specific spots with special purpose or purpose can be used for various purposes such as notable destinations (for example, prominent features, Seoul Station, etc.) without moving to the destination, waypoint, base, or other relevant spots. It should be marked separately.

The multi-party location information sharing system according to the present invention supports various methods for displaying the location, specific point, and movement route of each target according to the characteristics of the wireless terminal, and includes augmented reality in addition to the map.

Fig. 7 shows an embodiment of a split screen and a multiple display telephone displayed on the display section of the wireless terminal according to the present invention.

As an example of the wireless terminal 10, it is difficult to display a large amount of information because the screen of a smartphone, a mobile phone, etc. is small. In order to solve this problem, as shown in FIG. 6, two split screens are displayed on the display unit 10b of the wireless terminal 10, and the split screen displayed on the left side is a wireless terminal used by Lee Seung-yeop corresponding to the sender (eg, 10). -1) is split screen display of location information, and split screen displayed on the right side is the wireless terminal used by Han Ye Seul, Jo Sung Sung and Kim Tae Hee corresponding to the receiver (eg, 10-3, 10-4, 10-5) Split screen showing location information.

In this way, in order to display the location information of the wireless terminal in multiple ways, multiple display switching is possible through the simultaneous user list belonging to the location information sharing group.

The multi-party location sharing system according to the present invention supports display using map data of 3D or 2.5D and can provide location information more intuitively than 2D maps.

8 illustrates an embodiment of an augmented reality screen reflecting a location changing in real time provided by a multilateral location sharing system according to the present invention.

When using augmented reality it is easier to determine the movement path and location of the target more realistically. As shown, an augmented reality screen reflecting a location that changes in real time may be provided.

On the augmented reality screen, the information of the object or point is summarized and displayed, and if necessary, the link information such as the distance to the object, the moving route, the traffic volume of the region, and the navigation route to the target or the specific point is displayed.

According to the multi-party location sharing system according to the present invention, when a large number of people exchange location information in real time, various information can be transmitted and received in addition to the location information.

The most representative information is text. Text is a small amount of information and easy to display on the screen, making it easy to send and receive even in a multilateral direct connection. In addition to individual data transmission, the location information of each wireless terminal user may be packaged at the time of transmission and bundled and transmitted.

In the case of images, videos, etc., it is not easy to use it for multilateral direct connection because of the large amount of transmission. In particular, the speed problem occurs when using the 3G network, the process of transmitting to each user of the wireless terminal via a relay device becomes essential. In this case, the image and the image may be used by drawing or writing through an application, in addition to the one taken by each wireless terminal user.

In case of real-time voice video transmission, real-time session connection at the relay device must be required, and service is very difficult because a large amount of data is exchanged in real time. Therefore, in case of real-time voice video transmission, it is suitable for 1: 1 connection, but service is not impossible even in multi-party connection.

The multi-party location sharing system according to the present invention provides a central control system for security authentication procedures and multi-party information exchange and use purpose restriction for using the real-time voice image transmission service.

9 is a block diagram of a central control system provided by a multi-party location sharing system according to the present invention.

The security certification system collects personally or device-identifiable information such as UUID, UDID, IMEI, and provides the security key used for encryption and decryption when transferring information between users based on this information. Prevents unauthorized use of location and personal information and leaks (e.g. wireless packet sniffing) that exploits external security vulnerabilities.

The relay system is used for smooth information exchange between the parties. Groups that use services are grouped into a unit (generally called a session) and maintain their connection to receive and distribute information that needs to be sent and received between each other.

The service system is used in the actual serviced applications and servers, and is in charge of controlling what information is to be delivered and how users are connected. This information is used to control service level and usage purpose by interworking with actual service level and database.

10: wireless terminal 10a: GPS receiver
10b: display unit 20: communication network
30: relay server 31: communication unit
32: relay server control unit 33: memory unit
34: encryption unit 34a: random number generator
40: exchanger

Claims (7)

The GPS receiver 10a receives location information from the GPS satellite and transmits it to the relay server 30 through the communication network 20, and belongs to the location information sharing group requested by the wireless terminal from the relay server 30. A plurality of wireless terminals 10 which receive position information of each wireless terminal and display on the display unit 10b;
Receives location information of each wireless terminal 10 from the plurality of wireless terminals 10 through the communication network 20 to determine which location information sharing group, and the corresponding location to a plurality of wireless terminals belonging to the location information sharing group. A multi-party location information sharing system using a wireless terminal and GPS, characterized in that consisting of a relay server 30 for transmitting the location information of the wireless terminal belonging to the sharing group.
The apparatus of claim 1, wherein the relay server (30) comprises: a communication unit (31) for receiving data from a wireless terminal (10) applying for subscription to a location sharing group input through a communication network (20); An encryption unit (34) having a sewage generator (34a) for generating a security key; Receives data related to the wireless terminal 10 for applying to join a specific location information sharing group from the communication unit 31 and stores the data related to the wireless terminal 10 and the location from the wireless terminal 10 belonging to the specific location information sharing group. Security data is generated by changing the position data of the wireless terminal 10 belonging to the specific location information sharing group stored in the memory unit 33 and generating a random number from the random number generator 34a of the encryption unit 34. A relay server controller (32) for controlling the communication unit (31) so as to be transmitted to each wireless terminal (10) belonging to the specific location information sharing group after encrypting and combining the changed location data and the security key; A multi-party location information sharing system using a wireless terminal and the GPS comprising a memory unit 33 for receiving and storing data for the location information sharing group from the relay server control unit (32).
The method of claim 1, wherein the location information is transmitted by encrypting using a security key between the wireless terminals 10.
The sender's wireless terminal 10-1 transmits personal identification information to the relay server 30 and requests a security key;
The relay server 30 generates a security key with the random number generator 34a of the encryption unit 34 to encrypt the location information and the personal authentication number, and transmits the security key to the sender's wireless terminal 10-1. step;
The sender's wireless terminal 10-1 encrypts the transmission information using the received security key, location information and personal authentication number, and then transmits the transmission information to the relay server 30;
The relay server 30 requesting an acknowledgment and personal identification information from a receiver's wireless terminal (eg, 10-2);
The receiver's wireless terminal (10-2) transmitting personal identification information to the relay server (30);
The relay server 30 encrypts the transmission information using the security key and the personal identification information of the receiver wireless terminal 10-2 and transmits the transmitted information to the receiver's wireless terminal 10-2;
The receiver's wireless terminal 10-2 checking whether the received telegram is abnormal, and requesting transmission of a security key;
The relay server 30 transmits the security key to the receiver's wireless terminal 10-2), and transmits the transmission information to the receiver's wireless terminal 10-1 to the receiver's wireless terminal 10-2. Informing completion;
The relay server 30 is characterized in that the step of allowing the receiver's wireless terminal (10-2) to decrypt the display so that the location information of the transmitter's wireless terminal is displayed on the receiver's wireless terminal (10-2) Multi-party location information sharing system using wireless terminal and GPS.
According to claim 1, The wireless terminal 10 receives the location information of the plurality of wireless terminals 10 belonging to the location information sharing group at regular intervals to update the location information by synchronizing the location tracking, and the synchronized angle Based on the location information of the wireless terminal 10, the mobile terminal 10 belongs to the location information sharing group to which the wireless terminal applied for calculating the movement path of the user of the wireless terminal 10 and displaying it on the display unit 10b of each wireless terminal 10. A multi-party location information sharing system using a wireless terminal and GPS, characterized in that for receiving the location information of each wireless terminal and display on the display unit (10b).
According to claim 1, wherein two split screens are displayed on the display unit 10b of the wireless terminal 10, and the split screen displayed on the left side is a split screen that displays the location information of the wireless terminal used by the sender. The split screen to be displayed is a multi-screen location information sharing system using a wireless terminal and GPS, characterized in that the split screen to display the location information of the wireless terminal used by a plurality of recipients.
According to claim 1, When the plurality of wireless terminal 10 transmits and receives information in real time to support the multi-party transmission / reception function for the text, voice, image, video, voice image information that can be exchanged in addition to the location information Multi-party location information sharing system using a wireless terminal and GPS.
The method of claim 6, wherein the plurality of wireless terminals 10 provides a security key used for encryption and decryption when transmitting and receiving the voice image information in real time to provide a security authentication system between the plurality of wireless terminals 10. It provides a relay system that receives and distributes information to be transmitted and received between each other by grouping a plurality of groups of wireless terminals 10 for transmitting and receiving voice image information in real time in one unit and maintaining each connection state. Multi-party location information sharing system using wireless terminal and GPS.

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