KR20110054892A - Location based service offer method that use external wireless gps receiver and such receiver that use personal cellular phone - Google Patents

Abstract

PURPOSE: A location based service providing method that uses an external wireless GPS terminal and GPS /stand alone GPS terminal are provided to improve the accuracy of detecting GPS without an additional terminal. CONSTITUTION: In a location based service providing method that uses an external wireless GPS terminal and GPS /stand alone GPS terminal, a position determination server(270) generates auxiliary data for determining the position of the terminal(120.230,420) and transmits it to the terminal in a mobile network. The terminal receive GPS data from at least one of GPS satellites using the received auxiliary data and extracts the track included in the GPS data to measure the position of the terminal.

Description

Location based service offer method that use external wireless GPS receiver and such receiver that use personal cellular phone}

The present invention relates to a location-based information service method using a conventional GPS and A GPS method / Stand Alone GPS terminal.

More specifically, a program capable of providing location-based information to an internal or external memory of a mobile communication terminal including an external GPS receiver function, a stand alone GPS function, or an external GPS receiver and both stand alone GPS and A GPS method functions is provided. Location-based information service using the existing GPS and A GPS / Stand Alone GPS terminal that stores and checks the location information of the mobile communication terminal using an external GPS receiver or Stand Alone GPS function and provides the user with information related to the corresponding area. It is about a method.

<Standalone / Autonomous GPS mode>

It is a method of measuring one's own location through GPS, and it is a method of identifying one's own location without using a base station or another device. Receive multiple satellite signals directly to determine location.

This is the method commonly used in general GPS, not cell phone GPS. In the case of cell phone GPS, the initial measurement takes about one minute after the GPS is turned on, but it can be applied to navigation applications because it can measure the position once per second.

<MS-based GPS mode>

Since Standalone GPS mode calculates both the First Fix and the actual position calculation in the phone, Fisrt Fix takes about 1 minute in Cold Start. Therefore, when auxiliary data used for first fix is received from the Position Determination Entity (PDE) of the network, the first fix time can be performed within a few seconds. Supporting this function is MS-based (Mobile Station-based). GPS mode.

When searching for a location via GPS, the location search speed is reduced by 2-5 seconds compared to the MS-Assisted method, which requires the mobile phone to find the location by itself and continuously communicate with the PDE.

Auxiliary information sent from the network's PDE is sent at regular intervals to update this information, as the GPS satellites that can be received change as the user moves a considerable distance of the phone.

<MS-Assisted GPS Mode>

MS-Assisted GPS mode is a method of receiving auxiliary information from the server to reduce the first fix time and calculating the current position based on GPS satellite information through a server located in the network.

The chip embedded in the terminal receives the information from the GPS satellites and informs the base station of the cellular phone again. The terminal receives the data of the position from the base station and finally confirms the position. Since the location is determined through the network, communication time for receiving First Fix assistance information and receiving GPS satellite signals to the PDE of the network is a large part of the communication time.

Considering the communication speed, the location measurement speed is also known to take about 20 seconds on average, and is mainly used for low-performance GPS-embedded cell phones or one-time location search service, which is difficult to calculate its own GPS satellite signals.

<MS-Assisted GPS / Hybrid Mode>

In many buildings and complex city centers or buildings, it is often impossible to find a location by not receiving GPS satellite signals. To compensate for this, MS using a combination of network-based positioning and other positioning techniques using signal information received from a base station is used. -assisted / Hybrid mode.

The example shows the hybrid calculation of the resulting location information of MS-assisted GPS mode and network-based positioning of cellular signal triangulation. In this mode, GPS-based and network-based positioning are not always performed simultaneously. If necessary, based on the GPS satellite signal, the positioning is performed first, and if this fails, network-based positioning may be performed, and vice versa.

Also, network-based positioning does not always mean triangulation. In some cases, three or more base stations may not be able to receive cell phone signals. In this case, triangulation may deliver cell-ID based locations. Another exception is that MS-Assisted GPS and terminal-based Finger Print technique can be used without using network-based positioning.

Fingerprint method of the terminal board calculates the position based on the information on the radio wave intensity of the base station signal received by the terminal and the position of the base station received.

The standalone GPS mode, MS-assisted GPS mode, MS-assisted / Hybrid GPS mode, and MS-based mode supported by the mobile phone's built-in GPS are based on the MS-assisted GPS method. It is intended to be used mainly in the application. If continuous position calculation is required, MS-based or standalone mode is used.

MS-based mode is also used in K-ways of KTF, a mobile phone navigation service provided by domestic mobile carriers.

The present invention relates to a location-based information service method using a conventional GPS and A GPS method / Stand Alone GPS terminal. More specifically, a program capable of providing location-based information to an internal or external memory of a mobile communication terminal including an external GPS receiver function, a stand alone GPS function, or an external GPS receiver and both stand alone GPS and A GPS method functions is provided. Location-based information service using the existing GPS and A GPS / Stand Alone GPS terminal that stores and checks the location information of the mobile communication terminal using an external GPS receiver or Stand Alone GPS function and provides the user with information related to the corresponding area. It is about a method.

In addition, among various wireless Internet services using a mobile communication terminal such as a cellular phone or a PDA, a location based service (LBS) has gained much attention due to its wide utility and convenience. In location-based wireless Internet service, it is essential to know the location of a wireless communication terminal in order to respond to a rescue request, report a crime, and use the location-based service.

The network-based method does not need to add a new module to an existing mobile communication terminal, and thus does not require additional cost for developing a mobile communication terminal. However, the position based on the cell size or location coordinate determination method of a wireless base station is required. The disadvantage is that the accuracy is reduced to about 500 m ~ 4 km.

Therefore, the present invention provides an accurate position by using the data transmission method instead of the CELL-ID method when the GPS signal is defective.

In addition, after acquiring the location information based on the network or the GPS based on the mobile communication terminal, and providing the location-based information using the same, the existing location-based information providing method is configured so that all information is provided through the wireless Internet network. It is.

However, the provision of information through such a wireless Internet network causes frequent network access, which delays the overall service time and increases the service providing cost. As the memory size of the mobile communication terminal increases and the mobile communication terminal is equipped with an interface for accessing the external memory, location-based information is stored in the mobile communication terminal internal memory or an external memory at low cost without frequent network access. Provides location-based information quickly and stores location-based information stored in memory as needed There is a demand for a method of updating short data.

The present invention is a method for eliminating three causes of the problem in the location-based information service method using the existing GPS and A GPS method / Stand Alone GPS terminal.

First, the GPS, which is powered off, needs about one minute to calculate the first position by searching for signals received from satellites to calculate the current position. This is called First Fix Time. When using cell phone GPS, it is necessary to reduce this First Fix Time for fast position calculation.

The second problem is that in order to calculate the position independently by using the received GPS signal, not only a separate CPU function should be provided, but also a problem of power usage such as a battery in a mobile phone must be solved.

Cell phone built-in GPS solutions receive or receive auxiliary data about the current position of satellites that can be received from servers located on the network to minimize the first fix time of GPS satellite signals or the position calculation time due to the lack of CPU power of the phone itself. The position calculation itself through the GPS signal can be shared and processed by the server. These features are network assisted GPS or Network-Assisted GPS.

The third problem is that GPS works normally in open sky, but when it enters the room, it switches to cell-id method, and the error range is at least 500m ~ 4km.

In many buildings and complex city centers or buildings, GPS satellite signals cannot be located to find their location. To compensate for this, network-based positioning or other positioning techniques are combined using signal information received from base stations. Although there is an MS-assisted / Hybrid mode, the provision of information through such a wireless Internet network causes frequent network access, which delays the overall service time and increases the service providing cost.

Therefore, the short data (SMS) data processing method used in the present invention should be used. Increasing the memory size of the mobile communication terminal has a disadvantage in that the accuracy of the position error is approximately 500m ~ 4km depending on the cell size of the wireless base station or the location coordinate determination method.

Therefore, the present invention provides an accurate position by using the data transmission method instead of the CELL-ID method when the GPS signal is defective.

In order to solve the above problems, the present invention, a program that can provide location-based information to the internal or external memory of the mobile communication terminal including both an external GPS receiver function, Stand Alone GPS function or an external GPS receiver and StandAlone GPS function Location-based information using the existing GPS and A-GPS / Stand Alone GPS terminals that provide the user with information related to the region by checking the location information of the mobile communication terminal using an external GPS receiver or a stand alone GPS function. The purpose is to provide a service method.

In order to achieve the above object, the present invention provides a location-based information service method for confirming the location information through a mobile communication terminal using both an external GPS receiver and a stand Alone GPS, A GPS method, and providing the surrounding information of the area where it is located. Determining whether or not the location information data received through the external external GPS receiver and the receiver is abnormal, and if the location information data is normally received, inputting the location information data received by the Stand Alone GPS, A GPS method as the location information If there is an error in the location information data through the external external GPS receiver and the receiver in the step, measuring the location information using the locus position received from the GPS satellites through the existing GPS, A GPS method, A GPS method (OPEN SKY) ,

<Normal processing step> First step; Transmitting the location information to the location-based terminal installed in the mobile communication terminal, and displaying the location information measured by the location-based terminal and the location-based information around the measured location on the display unit of the terminal or by voice. It includes the step of outputting in the form.

In order to achieve the second step> of the present invention, the present invention is to confirm the location information through a mobile communication terminal using both Stand Alone GPS, A GPS system, and to provide the surrounding information of the GPS terminal located in the building of CLOSED SKY A location-based information service method, comprising: <transmitting data during CLOSED SKY>; Step 2 is a method of receiving a locus position from a GPS satellite through an external GPS receiver and a receiver, storing the flash position in a flash memory in a CPU of an external GPS receiver, and simultaneously transmitting locus data using a terminal wirelessly from a Bluetooth module. .

Third step to achieve the present invention> In order to prevent the external GPS terminal to be recognized as a location tracking terminal to the outside for the existing function, the key ring built-in earrings, headbands, hairpins, badges Built-in, built-in watch, belt built-in form, it is made not visible to the location tracking terminal. If exposed to crime, it will not be detected and will be actively used for criminal arrest through the control center.

In addition, in order to achieve the fourth object of the present invention, the present invention, by using one or more of the existing GPS and A GPS system, Stand Alone GPS A GPS system to provide the current location information and the surrounding location-based information An updater method for location-based information data installed in a communication terminal, the method comprising: inputting new location-based information data into an information providing server.

<Location notification step>

Step 3, transmitting a message for the location information data updater to the mobile communication terminal through an SMS message or a voice message.

<4th step of downloading application>; And by using at least one of an application download method through downloading, an updater method from a cabled computer, and an updater method using insertion of an external memory storing updated location information data using a wireless Internet or a PC cable. And updating the location information data.

In order to achieve the fifth step of the present invention, the present invention is to identify the location information of the mobile communication terminal using at least one of the existing GPS, A GPS, Stand Alone GPS, AGPS method and the area where the mobile communication terminal is located. A location-based information service system for providing surrounding information of a GPS satellite, comprising: a GPS satellite for transmitting a GPS radio wave including a locus location; An external GPS receiver and a receiver for generating location information data by measuring a location using a locus location extracted from a GPS radio wave received from a GPS satellite; The mobile communication terminal displaying a location of a user by using external GPS receiver and location information data received from the receiver; A mobile communication network including a wireless base station and a mobile switching center receiving terminal information from a mobile communication terminal; Characterized in that it comprises an information providing server for providing a location-based terminal for displaying the location and road information of the subject, the location information of major government offices, location-based information.

The present invention. When the mobile phones are exposed to dangers, rescues, and crimes due to the rapid spread of mobile phones, the coordinates that are currently located by the base station coordinates of the mobile phone station are not accurate, and it takes a lot of time to find the exact location. It is used in a terminal or mobile phone for location tracking.

Products that are invented to solve this method are also precisely located but cannot be used depending on the cost of manufacturing or personal preference. The present invention is to overcome the limitations of the location information collection, to determine whether the location information data received through the external GPS receiver and the receiver in order to realize this is normal (OPEN SKY), if the stand Alone GPS or A-GPS method Inputting the received position information data as position information, if there is an abnormality in the position information data through the external GPS receiver and the receiver (closed SKY), the external GPS receiver method, A-GPS method using the received position received through Measuring the location information to convert the trajectory location into data and transmitting the location information to the LBSP server, and transmitting the location information to the location-based server and displaying or outputting location information and surrounding location-based information on the display unit of the terminal. According to the present invention, the position information through at least one of the existing GPS and A GPS system, Stand Alone GPS system, A-GPS system By providing the service and transmitting the final location data in the CLOSED SKY to the server, traffic can be minimized in the mobile communication network.The user can use the accurate information to check the surrounding information quickly and conveniently while driving or walking. The guardian can request help more accurately and quickly in the event of a risk situation through the location information of the target person, and the update history of the location-based information is also provided quickly, so that the user can use the correct location-based service using the latest data. Can be provided.

In particular, the CPU inside the GPS receiver, which is manufactured as an external type, generates a signal when a deviation distance is generated using a transmission / reception distance with a personal terminal, thereby preventing loss of the terminal, preventing lost children, personal taste or production cost of belongings, and wirelessly carrying the existing mobile phone. By using a GPS chip, there is no need to purchase a separate terminal, and its purpose is to achieve an integrated effect of increasing the accuracy of the location.

By using a wireless external GPS receiver developed by the present invention on a person's own mobile phone, it is possible to conveniently use various services utilizing mountain rescue, crime exposure, and current location information. In particular, the external GPS terminal can be made into a character type, so it can have the accessory effect of a mobile phone, and its compact design has high utility value for blind or low-cost voice navigation.

Hereinafter, an example of a correct configuration of the present invention will be described in detail with reference to the accompanying drawings.

First, in setting reference numerals to the components of each drawing, it should be noted that the same reference numerals are designated as much as possible even if displayed on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Fig. 1 shows an example of the configuration of the present invention, after demodulating the locus positions received by the GPS satellites 100, 200, and 400 from the GPS satellites 100, 200, and 400, and demodulating them using the received auxiliary data from the positioning server 140, 270, or the like. It is a method of determining coordinates by analyzing a locus position.

Therefore, the external GPS receiver method receives the auxiliary data from the positioning server 270 only when the auxiliary data value needs to be updated, and performs location positioning by itself. The service system includes a GPS satellite (100, 200, 400), a mobile communication terminal (120.230, 420), a base transceiver station (BTS) (110, 240), a base station controller (BSC: 250), a mobile switching center (MSC: MobileSwitching Center) 260, location server 270, etc. The GPS satellites 100, 200, 400 are satellites used to locate the terminals 120.230, 420 in GPS.

The terminals 120.230 and 420 are terminals in which an external GPS receiver and a receiver for receiving a track position from the GPS satellites 100, 200 and 400 are embedded. The terminals 120.230 and 420 transmit terminal information (MS information) to the location determination server 270 through the mobile communication network to determine the location.

The location server 270 generates auxiliary data for positioning the terminals 120.230 and 420 using the received terminal information and transmits the auxiliary data to the terminals 120.230 and 420 through the mobile communication network. The terminals 120.230 and 420 receive GPS radio waves from one or more GPS satellites 100, 200 and 400 using the received auxiliary data, and extract their locus positions included in the received GPS radio waves to measure their positions.

GPS satellites (100, 200, 400), which consists of 24 satellites that continuously transmit to the terminal (120.230, 420) using a carrier wave of the locus position necessary for position calculation, of which 21 satellites are used for the trajectory Three satellites are reserved.

In addition, the terminal (120.230, 420) according to an example of the configuration of the present invention can download the location-based information from the information providing server (280,440) in real time through the mobile communication network, the downloaded location-based information and location-based terminal It is stored in the internal memory, or transmitted to the personal terminal (120,230,420,) to process. Location-based information may be provided.

The terminals 120.230 and 420 include PDAs, cellular phones, PCS phones, handle-held PCs, GSM phones, W-CDMA phones, CDMA-2000 phones, MBS phones, WIBRO phones, smart phones, and notebook computers. That is, the external GPS receiver method of the present invention can be applied not only to a synchronous mobile communication system and an asynchronous mobile communication system but also to a wireless communication system. The base station (BS) 130 includes a base station controller 250 and a base station controller 250. The base station controller 250 receives the location information transmitted from the mobile communication terminals 120.230 and 420 and transmits the location information to the base station controller 250.

The base station controller 250 controls the base station controller 250, and assigns and releases radio channels to the mobile communication terminals 120.230 and 420, transmit power control of the mobile communication terminals 120.230 and 420 and the base station controller 250, It performs soft handoff and hard handoff decision, transcoding and vocoding between cells, and operation and maintenance of wireless access network.

On the other hand, the base station controller 250 and the base station controller 250 according to the configuration of the present invention has a configuration that can support both the synchronous mobile communication system and the asynchronous mobile communication system. Of course, the base station controller 250 and the base station controller 250 according to an example of the configuration of the present invention is not limited to this, but the access network of the WCDMA network, GSM network and the fourth generation mobile communication system to be implemented in the future, not CDMA network. It may include.

The mobile switching center (MSC) 140 has a control function for enabling wireless base stations to operate efficiently and an interworking function with an electronic switch installed in a public switched telephone network (PSTN).

The mobile communication switching center 260 receives data or a message transmitted from the mobile communication terminals 120.230 and 420 through the base station controller 250 and transmits the data or the message to the positioning servers 140 and 270. The mobile communication switching center 260 performs basic and additional service processing, incoming call origination call processing of a subscriber, location registration procedure and handoff procedure, and interworking with other networks.

The mobile communication switching center 260 according to the configuration of the present invention can support both the IS (Interim Standard) -95 A / B / C system and the third and fourth generation mobile communication networks. In addition, the base station controller 250 and the mobile switching center 140 perform functions such as clock distribution and GPS data transmission / reception for GPS in addition to the normal call processing function. The Positioning Determination Entity (PDE) 140 performs overall control and management of the location information of the terminals 120.230 and 420.

In addition, the position of the terminal (120.230, 420) is calculated and transmits the data about the position to the terminal (120.230, 420) through the wireless Internet network. That is, the positioning server 270 receives terminal information of the radio base stations 110 and 240 from the terminals 120.230 and 420 and transmits auxiliary data to the terminals 120.230 and 420.

In the case of storing the location information of the period, the location measurement method of the mobile communication terminal using GPS in the indoor and outdoor environment, characterized in that to store only the most recently calculated location information by deleting the previously stored location information. To the terminal (120.230,420).

In this case, the terminal information is information about a GPS acquisition capability, a pilot phase capability, a position calculation capability, and the like of the terminal. It checks the surrounding information through local information stored in the terminals (120.230, 420), and provides the location-based service through this. The information providing servers 280 and 440 perform a function of providing a terminal for displaying the location information of the target person.

For this purpose, the information providing servers 280 and 440 are connected to the database. In addition, when a new update history of the terminal and the location-based information is input, the information providing servers 280 and 440 compare the terminal with the terminal and the location-based information of the terminals 120.230 and 420 through the mobile communication network. (120.230,420). In addition, WEB or ARS center can be monitored by voice or internet.

Location-based service system using an external GPS receiver terminal according to an example of the configuration of the present invention for notification of the update of new programs and location-based information may further include an SMS center or voice service center (ARS).

2 is a configuration diagram of a location-based service system using the GPS receiving method. Stand Alone GPS, A GPS is a method in which the terminal (120.230, 420) receives the locus position from the GPS satellites (100, 200, 400), using the internal or external GPS receiver and receiver, and transmits the longitude and coordinates by itself.

The location based service system using GPS includes a GPS satellite (100, 200, 400), a GPS receiver 210, a wireless base station (110, 240), a mobile communication switching center 140 and an information providing server (280, 440).

The GPS receiver 210 includes an external external GPS receiver and a receiver 330 in addition to the mobile communication terminals 120.230 and 420.

In this case, the mobile communication terminals 120.230 and 420 may include an external GPS receiver and a receiver. However, the description will be made based on obtaining location information through the external GPS receiver and the receiver 330.

The external GPS receiver and the receiver 330 receive the trajectory position from the GPS satellites 100, 200, and 400, check the real-time position, and transmit the position information to the location-based service platform of the mobile communication terminals 120.230 and 420. .

The mobile communication terminals 120.230 and 420 acquire location information by using the locus position received from the GPS satellites 100, 200 and 400 by the external external GPS receiver and the receiver 330 through an internal attachment device. It displays its location through a location based terminal stored in a storage medium such as an external memory.

Like this The location based service system using Stand Alone GPS and A GPS has the advantages of higher reception rate and accuracy and less GPS shadow area than the existing GPS based location service system.

In addition, the external GPS receiver-based location-based service described above has an advantage of providing location-based information even in a situation where a user's location moves fast by supporting a fast search speed of 30 times or more per minute.

In addition, the existing GPS and A GPS method does not require additional equipment, and has various advantages such as a short time to first fix (TTFF), which is the actual time required to determine its own position, about 30 seconds.

By supporting this fast search speed, GPS / Stand Alone can take advantage of both the existing GPS method that provides location-based information and the stand Alone GPS method that has high accuracy and wide reception area even when the user's location changes rapidly. GPS terminals have been developed.

3 is a block diagram schematically illustrating a location-based service system using the GPS receiving method. Location-based service system using the existing GPS and A GPS method / Stand Alone GPS terminal according to the present invention is a GPS satellite (100,200,400), external external GPS receiver and receiver 330, mobile communication terminal (120.230,420), wireless base station ( 110, 240, mobile communication switching center 260, location servers 140, 270, and information. However, as a location-based information service method for providing the surrounding information of the GPS terminal located in the building of CLOSED SKY, the external GPS receiver and the receiver 330 receive the locus position from the GPS satellites (100, 200, 400) and the mobile communication terminal (120.230,420). )

Although the external GPS receiver and the receiver 330 may be embedded in the mobile communication terminals 120.230 and 420 as shown in FIG. 2, the external GPS receiver and the receiver will be described with reference to the external GPS receiver and the receiver.

The mobile communication terminals 120.230 and 420 are conventional GPS and A GPS / Stand Alone GPS terminals supporting both an external GPS receiver method and a stand Alone GPS method, and use MS-Based GPS and A GPS methods to determine a location. Terminal information (MS Information) is transmitted to the positioning server (140, 270,) through a mobile communication network.

The location determination server 140, 270 generates auxiliary data for location determination of the mobile communication terminals 120.230 and 420 using the received terminal information and transmits the auxiliary data to the mobile communication terminals 120.230 and 420 through the mobile communication network. The mobile communication terminals 120.230 and 420 receive GPS radio waves from one or more GPS satellites 100, 200 and 400 using the received auxiliary data, and extract their locus positions included in the received GPS radio waves to measure their positions.

In addition, the mobile communication terminals 120.230 and 420 may include location information data of the external GPS receiver and the receiver 330 measured by the external GPS receiver and the receiver 330, and the MS-Based GPS of the mobile communication terminal 310 itself. By using the method, the location of the user is displayed in consideration of all the location information data of the mobile communication terminals 120.230 and 420 measured by GPS radio waves received from the GPS satellites 100, 200 and 400.

In this case, the mobile communication terminal 310 basically displays the user's location by using the location information data of the external GPS receiver and the receiver 330, and then the external GPS receiver 330 uses GPS satellites such as buildings, mountains, and tunnels (100, 200, 400). ), When entering into an area where radio wave communication is impossible or when the radio wave reception rate is low, it is determined that there is an error in the location information data of the external external GPS receiver and the receiver 330, and the movement measured by the MS-Based GPS method and the A GPS method. The location information of the communication terminals 120.230 and 420 is converted into SMS data to indicate the location of the user.

As such, the mobile communication terminals 120.230, 420 in the example of the configuration of the present invention are MS-Based GPS schemes for receiving location information from the GPS satellites 100, 200, 400, and the positioning server 270, and are externally input. The external GPS receiver and the receiver 330 display the user's position in consideration of all the trajectory positions input by the StandAlone GPS method using the location information data, even in the A GPS method.

The internal structure of the mobile communication terminals 120.230 and 420 will be described in detail with reference to FIG. 4. In the location-based service system using both the existing GPS and the A GPS / Stand Alone GPS, the other part uses the existing GPS described above. Since the location-based service system and its functions are the same, a detailed description will be omitted.

4 is an internal configuration diagram of a mobile communication terminal providing a location based service of a conventional GPS and A GPS method / Stand Alone GPS according to an exemplary configuration of the present invention. The mobile communication terminal (120.230, 420) according to the correct configuration of the present invention, GPS antenna 402, external GPS receiver and receiver (130, 220, 410), microprocessor (370), flash memory (340), mobile communication modem (422) , The RF signal processor 428 is configured. The GPS antenna 402 receives GPS radio waves from one or more GPS satellites 100, 200, and 400 and transmits them to the external GPS receivers 130, 220, and 410.

In addition, the CPU 370 checks whether the data input from the external GPS receiver 330 has an error, and when there is an error, the mobile communication terminals 120.230 and 420 measured using the MS-Based GPS and A GPS methods. The location information data, that is, the location information data measured using the GPS antenna 402 and the external GPS receiver and the receivers 130, 220, and 410 are displayed as the user's location.

The flash memory 340 is a non-volatile memory having a high data processing speed, and includes operating system (OS) software and call processing having a real-time processing function for the operation of the mobile communication terminals 120.230 and 420. Call processing software for processing functions associated with the In addition, the location-based service terminal according to an example of the correct configuration of the present invention may also be stored in the flash memory (340).

When the location-based service terminal stored in the flash memory 340 is driven, the terminal-based display unit may store the location-based information stored by using the location information for measurement through the external GPS receiver and the receiver 330 or the GPS chip 320 as described. 420 and a speaker 420. It displays the operation status of the mobile communication terminal (120.230, 420), including the reception strength, date, time, etc. of the LCD (Liquid Crystal Display) radio wave of the terminal.

FIG. 5 is a flowchart illustrating a location-based information service method using a mobile communication terminal of an external GPS receiver. First, a mobile communication terminal (120.230, 420) for receiving a location-based information service, is equipped with a location-based terminal (Applet) program.

Location-based terminal mounting may be mounted using downloading via wireless Internet, or may be mounted using downloading via cable connection with a computer. In the above manner, the location-based terminal may be mounted in an external memory connected to the flash memory 340 or the additional device connection unit 430 inside the mobile communication terminal.

In the case of using an external memory, the terminal may be directly stored in the external memory rather than a downloading method through a wireless Internet or a computer connection, and then the corresponding external memory is connected to the additional device connection unit 430. 120.230,420 may be used.

The user selects a location based information service menu from among various menus of the terminals 120.230 and 420 equipped with the location based terminal in order to receive the location based information service. When the location-based service is selected, the terminals 120.230 and 420 receive assistance data for trajectory location analysis from the location servers 140 and 270 through the mobile communication network.

The microprocessor 370 analyzes the locus position and the auxiliary data to obtain location information data, and the obtained location information data is transmitted to the location-based terminal.

Here, the location-based terminal is generally located in the flash memory 340, but may be stored in an external memory inserted into the terminal (120.230, 420). When the external terminal is attached to various locations (bag, headband, child, etc.) by using the RF-ID function of the external GPS in the terminal, the situation of the external GPS in the terminal by implementing an applet that can control the information on the terminal. You can monitor and receive signals from external terminals.

Here, a memory stick, a USIM card, and a USB memory may be used as the external memory. Here, the flash memory 340 and the external memory may include various location-based information such as road information, main office location, main store location, speeding camera location, etc. in addition to the location-based terminal. When the location information is transmitted to the location-based terminal, the mobile communication terminals 120.230 and 420 display a map and display location-based information around the terminal, so that the user can display various information such as the current location, the location of the destination, and the amenities of the surroundings. To check.

When the user achieves the purpose of the location-based service and selects the location-based service termination, the location-based terminal stops operation, and the external GPS receiver and the receivers 130, 220, and 410 also receive the locus position reception from the GPS satellites 100, 200, and 400. Stop.

Figure 6> Built-in external GPS receiver terminal according to an example of the configuration of the present invention, built in the form of a key ring built-in earrings, headbands, hairpins, nameplates, clocks, belts, built-in, so that the location tracking terminal is not visible do. If exposed to crime, it will not be detected and will be actively used for criminal arrest through the control center.

The mobile communication terminals 120, 214, and 310 update the stored location-based information data so that new update details are applied. Here, the description of comparing the location-based information data updated by the information providing servers 280 and 440 with the location-based information data stored in the mobile communication terminals 120, 214, and 310 is illustrative of the technical values of the present invention. Only, the protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the present invention.

1 is a complete flow chart of the present invention

2 is a block diagram schematically illustrating a location-based service system using a GPS reception method according to an example of the configuration of the present invention.

3 is a block diagram schematically illustrating a location-based service system using a GPS reception method according to an example of the configuration of the present invention;

4 is an internal configuration of an external GPS receiver terminal according to an example of the configuration of the invention

5 is a flowchart illustrating a location-based information service method using a mobile communication terminal of an external GPS receiver terminal.

6 is an external design configuration diagram of an external GPS

*** Description of the symbols for the main parts of the drawings ***

100,200,400: GPS satellite 120.230,420: Mobile communication terminal

210: secondary satellite, 110,240,: wireless base station

250: base station controller 260: mobile communication switching center

140,270,: Location Server 280,440: Information Server

330: GPS receiver 130,220,410: external external GPS receiver and receiver

320: GPS antenna 370: Microprocessor 340: Flash memory

360: RF signal processing unit

Claims (2)

External wireless GPS receiver using personal mobile phone. Location-based service providing method using an external wireless GPS receiver using a personal mobile phone.

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