KR20020025319A - Method for the traffic information using in mobile modem - Google Patents

Abstract

PURPOSE: A method for providing traffic information using radio modem is provided to supply traffic information to a user by receiving GPS data from a vehicle having a GPS receiver and calculating location information. CONSTITUTION: A GPS satellite signal is transmitted(S100). A GPS satellite signal receiver receives the GPS satellite signal(S101). The received GPS satellite signal having current speed information of a moving vehicle is transmitted through a radio modem(S102). The received GPS satellite signal having current speed information of a moving vehicle is transmitted to a value added service mediation device through a base station, a base station controller, and a mobile station controller(S103). A server processes latitude and longitude coordinates, the current speed information of a moving vehicle based on the received GPS satellite signal having current speed information of a moving vehicle(S104). The processed signal is stored in the server as a database form and is transmitted to a radio gateway. The transmitted signal is transmitted to a vehicle having a radio modem or a driver's mobile station through an inter-network connecting device in order to provide quick and exact traffic information thereto(S105).

Description

How to provide traffic information using a wireless modem {Method for the traffic information using in mobile modem}

The present invention relates to a mobile communication supplementary service, and more particularly, receives a signal transmitted from a GPS (Global Position System) satellite in a vehicle equipped with a GPS satellite signal receiving apparatus, calculates position information, and transmits the position information to the vehicle. The present invention relates to a traffic information system using a wireless modem and a method for providing the traffic information in real time by processing the location information in a server after transmitting to a server using an installed wireless modem.

In general, a method of collecting and providing traffic information includes a closed circuit camera. A closed circuit camera is installed in an area requiring traffic information to receive image information detected by the camera at a traffic information center and It analyzes the contents and is provided by the operator of the traffic information center.

However, the method is excessively expensive to install a closed circuit camera, and there is a problem in collecting and providing overall traffic information because only traffic information limited to a specific area where the camera is installed is provided.

Another method is to collect and provide traffic information using GPS satellites.

The method receives a signal transmitted from a GPS satellite in a vehicle equipped with a GPS satellite signal receiving device to calculate the current latitude and longitude, and collects and provides traffic information of an area where the vehicle moves using the calculated value. Way.

The following prior art refers to Korean Application No. 10-1996-038175.

1 is a view showing the configuration of a traffic information system according to the prior art.

Referring to the system of FIG. 1, a GPS satellite 10 continuously transmitting a signal from the air to the ground, and a signal including latitude and longitude received by a GPS satellite 10 mounted on a mobile vehicle to receive a signal transmitted by the GPS satellite 10. The GPS satellite signal receiving apparatus 20 for calculating the position information of the vehicle, and the GPS satellite signal receiving apparatus 20 receives the signal transmitted from the GPS satellites 10 and calculates the position information of the vehicle. The wireless network 30 to be connected to transmit to the 40 and the location information of the vehicle calculated by the GPS satellite signal receiving apparatus 20 through the wireless network 30 is transmitted to the moving area of the vehicle. It consists of a traffic information server 40 for collecting and providing traffic information for.

An operation description according to the system configuration of FIG. 1 is as follows.

First, a signal transmitted by the GPS satellite 10 is received by a vehicle equipped with the GPS satellite signal receiving device 20.

The GPS satellite signal receiving apparatus 20 calculates location information including the latitude and longitude of the current mobile vehicle by using the signal transmitted by the GPS satellite 10.

The calculated position information is transmitted to the traffic information server 40 through the wireless network 30.

The traffic information server 40 detects the location of the moving vehicle through the input position information and collects and provides traffic information of an area in which the vehicle moves.

However, in using the above method, it is difficult to grasp the traffic situation only by the location of the moving vehicle, and it is not possible to determine the actual speed. There is a problem that is difficult to do.

Accordingly, an object of the present invention is to provide a traffic information service providing method using a wireless modem in view of the above-described problems of the prior art.

According to an aspect of the present invention for achieving the above object, the step of receiving a signal transmitted from the GPS satellites via a GPS satellite signal receiving apparatus mounted on the mobile vehicle, and the current signal of the mobile vehicle to the received signal Transmitting speed information to a server through a wireless modem installed in the mobile vehicle, analyzing the signal with the speed information attached to the server, and calculating the location information and the speed of the mobile vehicle; Processing the location information and the speed information to database the traffic information by region.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

1 is a view showing the configuration of a traffic information system according to the prior art

2 is a view showing the configuration of a traffic information system using a wireless modem according to the present invention

3 is a flowchart illustrating a first embodiment of providing traffic information using a GPS satellite signal;

4 is a flowchart showing a second embodiment for providing traffic information using a GPS satellite signal;

5 is a flowchart showing a third embodiment for providing traffic information using a GPS satellite signal;

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

100: GPS satellite 200: GPS satellite signal receiving device

300: wireless modem 400: base station

410: base station controller 420: mobile station control device

430: network connection device 440: additional service relay device

450: wireless gateway 500: server

Hereinafter, a configuration and an operation according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings.

2 is a diagram illustrating a configuration of a traffic information system according to the present invention.

Referring to the system of FIG. 2, a GPS satellite signal 100 continuously transmitting a signal from the air to the ground, and a GPS satellite signal receiver 200 mounted on a vehicle and receiving a signal transmitted from the GPS satellite 100. And a wireless modem 300 for transmitting the information received by the GPS satellite signal receiving apparatus 200 to the server 500, and the wireless modem 300 and the base station controller so that the received information is transmitted to the server 500. A base station 400 connecting the base station 400, a base station controller 410 connecting the base station 400 and the mobile station control apparatus 420, and the base station controller 410 and the additional service relay device 440. A mobile station control device 420, an additional service relay device 440 that connects the mobile station control device 420 and the server 500 to enable TCP / IP interworking, and the mobile station control device 420 wirelessly. Network connection device 430 for connecting the gateway 450, and The wireless gateway 450 connecting the connection device 430 and the server 500 and converting different mutual protocols, and the information calculated by receiving, storing, processing and analyzing the information provided from the GPS satellite 100. It consists of a server 500 to provide a place where the request.

The operation description according to the system of FIG. 2 is as follows.

When the GPS satellite 100 transmits a signal, the GPS satellite signal receiving apparatus 200 mounted on the mobile vehicle receives the signal and measures location information of the moving vehicle.

In the method for receiving the signal transmitted from the GPS satellite 100 in the GPS satellite signal receiving apparatus 200 and providing the signal as traffic information, the signal received from the GPS satellite signal receiving apparatus 200 may be stored in the server 500. And storing the received signal in the server 500 and processing the received signal into latitude and longitude coordinates and vehicle speed information and then providing it as traffic information, and receiving the signal transmitted from the GPS satellite 100. The GPS satellite signal receiving apparatus 200 generates the latitude and longitude coordinates of the mobile vehicle, adds the vehicle speed information to the information, transmits the data to the server 500 through the wireless modem 300, stores the data, and analyzes the traffic information. And a part of the received signal in the GPS satellite signal receiving apparatus 200 which has received the signal transmitted from the GPS satellite 100 and transmits the unique identification number of the wireless modem and the mobile car to the signal. The rate of adding the information after storage was sent to the server 500 through the wireless modem 300 to correctly process the latitude and longitude coordinates and the vehicle speed information, there is a method for providing the traffic information.

After receiving the signal transmitted from the GPS satellite 100, the GPS satellite signal receiving apparatus 200 transmits and stores the received signal to the server 500, and then processes the received signal into latitude and longitude coordinates and vehicle speed information. In the method of providing traffic information later, FIG. 3 is a flowchart illustrating a first embodiment of providing traffic information using the GPS satellite signals.

First, the signal transmitted from the GPS satellite 100 is transmitted. (S100)

The transmitted signal is received by the GPS satellite signal receiving apparatus 200 mounted in the moving vehicle (S101).

The received signal is transmitted through the wireless modem 300 (S102), the wireless modem 300 attaches the current speed information of the mobile vehicle to the received signal.

The received signal to which the current speed information of the mobile vehicle is attached is transmitted to the enhanced service relay device 440 after passing through the base station controller 410 and the mobile station control device 420 through the base station 400 (S103).

The value added service mediation device 440 converts the received signal into a TCP / IP (Transmission Control Protocol / Internet Protocol) standard and transmits the received signal to the server 500.

The server 500 calculates and processes the latitude and longitude coordinates and the moving vehicle speed information from the received signal (S104).

The processed reception information is stored in the server 500 in the form of a database, and is also transmitted to the wireless gateway 450 so as to pass through the manganese access device 430 to be provided to a vehicle in which the wireless modem 300 is installed or in real time by a driver. It is transmitted to an indicator or broadcast medium mounted on a mobile terminal or vehicle owned by the mobile terminal to provide fast and accurate traffic information.

When the signal transmitted from the GPS satellites 100 is not received by the GPS satellite signal receiving apparatus 200, the traffic information may be determined by determining whether the vehicle is moved through the information of the unique ID of the wireless modem 300 mounted on the vehicle. Collect and provide.

However, if the unique ID of the wireless modem 300 is not detected for a predetermined time among the received signals transmitted from the wireless modem 300 or there is no change in the GPS satellite signal and the location information of the mobile vehicle, the wireless modem 300 It is assumed that there is no movement of the vehicle equipped with the), and the signal with the wireless modem 300 is cut in order to reduce the load of the server 500.

The GPS satellite signal receiving apparatus 200 receiving the signal transmitted from the GPS satellite 100 generates the latitude and longitude coordinates of the moving vehicle and adds the vehicle speed information to the server 500 through the wireless modem 300. FIG. 4 is a flowchart illustrating a second embodiment of providing traffic information by using the GPS satellite signal in a method of providing the calculated information as traffic information by storing and analyzing the same after transmitting the same.

First, the signal transmitted from the GPS satellites 100 is transmitted. (S200)

The transmitted signal is received by the GPS satellite signal receiving apparatus 200 installed in the mobile vehicle to calculate location information including latitude and longitude coordinates of the mobile vehicle (S201).

The signal from which the position information of the mobile vehicle is calculated is transmitted through the wireless modem 300 (S202), and the wireless modem 300 attaches current speed information of the mobile vehicle to the received signal.

The received signal to which the current speed information of the mobile vehicle is attached is transmitted to the enhanced service relay device 440 after passing through the base station controller 410 and the mobile station control device 420 through the base station 400 (S203).

The signal transmitted to the additional service relay device 440 is transmitted to the server 500.

The server 500 analyzes and processes the received signal including the transmitted position information of the moving vehicle and the speed information of the moving vehicle (S204).

The processed reception information is stored in the server 500 in the form of a database, and is also transmitted to the wireless gateway 450 so as to pass through the manganese access device 430 to be provided to a vehicle in which the wireless modem 300 is installed or in real time by a driver. It is transmitted to an indicator or broadcast medium mounted on a mobile terminal or a vehicle owned (S105) to provide fast and accurate traffic information (S205).

When the signal transmitted from the GPS satellites 100 is not received by the GPS satellite signal receiving apparatus 200, the traffic information may be determined by determining whether the vehicle is moved through the information of the unique ID of the wireless modem 300 mounted on the vehicle. Collect and provide.

However, when the unique ID of the wireless modem 300 is not detected for a predetermined time among the received information transmitted from the wireless modem 300 or when there is no change in the GPS satellite signal and the location information of the mobile vehicle, the wireless modem 300 It is assumed that there is no movement of the vehicle equipped with the), and the signal with the wireless modem 300 is cut in order to reduce the load of the server 500.

After receiving the GPS satellite signal location information of the mobile vehicle transmitted from the GPS satellite 100 in a part of the GPS satellite signal receiving apparatus 200, after processing to transmit to the server 800 through the wireless modem 300, the storage after storing 5 is a flowchart showing a third embodiment in which traffic information is provided by utilizing the GPS satellite signals in a method of accurately processing data and providing the same where necessary.

First, the signal transmitted from the GPS satellites 100 is transmitted. (S300)

The GPS signal receiver 200 mounted on the mobile vehicle receives the transmitted signal to calculate some position information of the mobile vehicle (S301).

The signal from which the position information of the mobile vehicle is partially calculated is transmitted through the wireless modem 300 (S302), and the wireless modem 300 attaches the current speed information of the mobile vehicle to the received signal.

The received signal to which the current speed information of the mobile vehicle is attached is transmitted to the enhanced service relay device 440 after passing through the base station controller 410 and the mobile station control device 420 through the base station 400 (S203).

The signal transmitted to the additional service relay device 440 is transmitted to the server 500.

The server 500 calculates accurate latitude and longitude coordinates from the partial position information of the transmitted mobile vehicle, calculates and analyzes the speed information of the mobile vehicle accurately, and then processes the processed information (S204).

The processed reception information is stored in the server 500 in the form of a database, and is also transmitted to the wireless gateway 450 so as to pass through the manganese access device 430 to be provided to a vehicle in which the wireless modem 300 is installed or in real time by a driver. It is transmitted to an indicator or broadcast medium mounted on a mobile terminal or vehicle owned by the mobile terminal to provide fast and accurate traffic information.

When the signal transmitted from the GPS satellites 100 is not received by the GPS satellite signal receiving apparatus 200, the traffic information may be determined by determining whether the vehicle is moved through the information of the unique ID of the wireless modem 300 mounted on the vehicle. Collect and provide.

However, when the unique ID of the wireless modem 300 is not detected for a predetermined time among the received information transmitted from the wireless modem 300 or when there is no change in the GPS satellite signal and the location information of the mobile vehicle, the wireless modem 300 It is assumed that there is no movement of the vehicle equipped with the), and the signal with the wireless modem 300 is cut in order to reduce the load of the server 500.

As described above, the method for providing traffic information using a wireless modem according to the present invention receives a signal transmitted from a GPS satellite in a GPS satellite station receiving apparatus mounted on a mobile vehicle, and based on the received signal, By accurately measuring the speed information of the vehicle in real time, it is possible to quickly and accurately move by predicting the traffic conditions of the moving area and the area to be moved in advance.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the examples, but should be defined by the claims.

Claims (6)

Receiving a signal transmitted from a GPS satellite through a GPS satellite signal receiver mounted on a mobile vehicle; Attaching the current speed information of the mobile vehicle to the received signal and transmitting it to a server through a wireless modem mounted on the mobile vehicle; Analyzing the signal with the speed information attached to the server and calculating the position information and the speed of the moving vehicle; And processing the calculated location information and speed information into a database for traffic information for each region. The mobile station according to claim 1, wherein when the signal transmitted from the GPS satellites is not received by the GPS satellite signal receiving apparatus mounted on the mobile vehicle, the current speed information of the mobile vehicle is stored in a unique identification number of the wireless modem mounted on the mobile vehicle. The traffic information providing method using a wireless modem further comprising the step of transmitting to the server. The method of claim 1, wherein the step of attaching the current speed information of the mobile vehicle to the received signal to transmit to the server through a wireless modem, If the unique identification number of the wireless modem is not detected for a certain time among the received signals transmitted to the server, or there is no change in the GPS satellite signal and the current speed information of the mobile vehicle, the vehicle equipped with the wireless modem is not moved. And cutting the signal with the wireless modem to reduce the load on the server. Receiving a signal transmitted by the GPS satellites through a GPS satellite signal receiving apparatus installed in the mobile vehicle and calculating the location information of the mobile vehicle; Transmitting the location information and current speed information of the mobile vehicle to a server through a wireless modem mounted on the mobile vehicle; And processing the transmitted location information and speed information into a database for traffic information for each region. The mobile station according to claim 4, wherein when a signal transmitted from a GPS satellite is not received by a GPS satellite signal receiving apparatus mounted on the mobile vehicle, the current speed information of the mobile vehicle is stored in a unique identification number of a wireless modem mounted on the mobile vehicle. The traffic information providing method using a wireless modem further comprising the step of transmitting to the server. The method of claim 4, wherein the transmitting of the location information and the current speed information of the mobile vehicle to a server through a wireless modem comprises: If the unique identification number of the wireless modem is not detected for a certain time among the received signals transmitted to the server, or there is no change in the GPS satellite signal and the current speed information of the mobile vehicle, the vehicle equipped with the wireless modem is not moved. And cutting the signal with the wireless modem to reduce the load on the server.