KR20070032115A - Method for shortening stand by time of traffic broadcasting service - Google Patents

Abstract

The present invention provides a method for shortening the waiting time of a traffic broadcasting service by providing a database capable of storing TPEG broadcasting data and performing a traffic information service using the TPEG broadcasting data stored in the database until the updated broadcasting data is received. To provide. To this end, the present invention provides a method for providing a traffic broadcasting service, when receiving the traffic broadcasting data, storing the traffic broadcasting data in a database, and storing the traffic broadcasting data in a database during the period when the traffic broadcasting data is not received. The traffic broadcasting data is read and output on a traffic broadcasting screen.

Traffic information, additional information, data reception, TPEG

Description

How to reduce waiting time of traffic broadcasting service {METHOD FOR SHORTENING STAND BY TIME OF TRAFFIC BROADCASTING SERVICE}

1 is a diagram showing a network in which a traffic broadcasting service is provided according to the present invention;

2 is a diagram illustrating a configuration of a navigation terminal to which a method for shortening a waiting time of a traffic broadcasting service according to the present invention is applied;

3 is a diagram illustrating a state in which TPEG data received in a data reception period is stored in each database according to the present invention;

4 is a flowchart illustrating an operation of a method for shortening a waiting time of a traffic broadcasting service according to the present invention.

<Description of Symbols for Main Parts of Drawings>

1: tuner, 2: demodulator,

3: TPEG decoder, 4: storage means,

5: navigation engine, 6: LCD driver,

7: LCD panel, 8: GPS module,

9: input, 10: memory,

10a, 10b: database.

The present invention relates to a terrestrial DMB Transport Protocol Experts Group (TPEG) data broadcasting service, and more particularly, to a method for shortening a waiting time of a traffic broadcasting service for shortening a reception waiting time of TPEG data.

Recently, due to the development of digital signal processing and communication technology, multimedia broadcasting which provides various contents wirelessly is gradually becoming a digital trend, and in accordance with the trend of digitalization, various information can be provided together with a television broadcast or radio broadcast signal. A way to do that is being sought.

As part of efforts to provide such a variety of information, the TPEG data broadcasting method is developed and commercialized to provide road traffic information using Digital Multimedia Broadcasting (DMB).

Currently, TPEG data broadcasting, one of the terrestrial data broadcasting standards, can provide data such as location-based traffic information (road speed information, yugo information), additional information (gas stations, restaurants, tourist attractions, theater information, etc.), news, and weather. It is supposed to be.

On the other hand, in such TPEG data broadcasting, unlike continuous transmission of radio waves such as over-the-air television broadcasting or radio broadcasting, traffic information and various additional information are transmitted at intervals of about 5 to 10 minutes. On the information terminal side, it is difficult to continuously receive broadcast signals and obtain desired data.

Since the receiving terminal of the TPEG data broadcast has to continuously drive the system on chip (Soc) type broadcast data reception and data processing module to receive and process the TPEG data, power consumption for driving the broadcast reception is large. There is a problem that the overall use time of the terminal is reduced, and even if the user accesses the TPEG broadcast through the terminal, it is difficult to immediately obtain desired data.

Accordingly, the present invention has been made to solve the above-mentioned conventional problem, and an object thereof is to provide a database for storing TPEG broadcast data, and to use the TPEG broadcast data stored in the database until the updated broadcast data is received. It is to provide a method for reducing the waiting time of a traffic broadcasting service to perform a traffic information service.

According to the present invention for achieving the above object, in the method for providing a traffic broadcasting service, when receiving the traffic broadcasting data, storing the traffic broadcasting data in a database, and the traffic broadcasting data is received During the period of time that is not available, it provides a method for shortening the waiting time of a traffic broadcasting service, comprising the steps of reading the traffic broadcasting data stored in the database and outputting the traffic broadcasting screen.

Preferably, when new traffic broadcasting data is received while the traffic broadcasting data is stored in the database, displaying the update query message on the stored data; and when the update of the stored data is allowed, the previous data stored in the database is erased. And storing the newly received traffic broadcasting data.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a network in which a traffic broadcasting service is provided according to the present invention.

As shown in FIG. 1, in the network according to the present invention, the traffic information providing server 100 is operated by a broadcasting company, and the like, entered by an operator or other servers or a probe car via the network 101. The traffic information collected from the vehicle is reconstructed so as to be wirelessly transmitted to the traffic information receiving terminal mounted on the vehicle 200, that is, the navigation device through the terrestrial transmission means.

2 is a diagram illustrating a configuration of a navigation terminal to which a method for shortening a waiting time of a traffic broadcasting service according to the present invention is applied.

As shown in FIG. 2, the navigation apparatus according to the present invention includes a tuner 1 for outputting a modulated TPEG traffic information signal by tuning a signal band provided with traffic information, and a demodulated demodulated TPEG traffic information signal. A demodulator (2) for outputting a traffic information signal, a TPEG decoder (3) for decoding the demodulated TPEG traffic information signal to obtain various traffic related information of the TPEG data, and an electronic device including general information on each link and node. A storage means (4) storing a map and various graphic information related to the electronic map, a GPS module (8) for receiving satellite signals transmitted from a plurality of low-orbiting satellites to determine the longitude, latitude, and altitude of the current location; An input unit 9 for receiving a user input, a user input through the input unit 9, a current position grasped through the GPS module 8, and traffic information obtained through TPEG data A navigation engine 5 for controlling a screen output for reproducing a traffic information screen on the basis of a traffic information, and storing traffic information of the received TPEG data in a database, and an LCD driver 6 under control of the navigation engine 5. LCD panel 7 for displaying an image of the traffic information screen by driving of a vehicle), a first database 10a for storing traffic information of TPEG data, and a second database 10b for storing additional information. The memory 10 stores intermittently received traffic information and additional information of the TPEG data, and provides the traffic information image during the unreceived period of the TPEG data.

In the navigation engine 5, except for the reception of the first TPEG data when the TPEG broadcasting service is performed, the traffic information screen and the additional information of the TPEG data are displayed on the traffic information screen through the LCD panel 7 whenever the TPEG data is received. In addition, the image is outputted to the first database 10a and the second database 10b of the memory 10, respectively, and the first database of the memory 10 is stored during the period in which TPEG data is not received. Traffic information and additional information stored in the 10a and the second database 10b are respectively read out so that an image is output on the LCD panel 7 as a traffic information screen.

In the navigation engine 5, if the new TPEG data is received while the traffic information and the additional information are respectively stored in the first and second databases 10a and 10b of the memory 10, the LCD panel 7 may be used. A message for inquiring whether to update the traffic information and the additional information is displayed through the display. If the update is permitted by the user input of the input unit 9, the data stored in each database of the memory 10 is deleted and newly updated. The received traffic information and additional information are updated and stored.

Meanwhile, traffic information and additional information stored in the first and second databases 10a and 10b of the memory 10, respectively, are configured as component frames, as shown in FIG. The TPEG message constituting the frame is composed of a message management container including information such as date and time, time of occurrence of the message, a congestion and travel-time information (CTI) container, and a TPEG location container.

In the component frame of traffic information stored in the first database 10a, the CTI container and the TPEG location container include the section average speed, the section passing time, the communication information, and the state components of the notice information.

In the component frame of additional information stored in the second database 10b, the CTI container and the TPEG location container include longitude / latitude coordinates and text information, and the text information includes gas station, restaurant, tourist attraction, theater information, Various additional data, such as weather and news information, are transmitted in text form.

Next, FIG. 4 is a flowchart for explaining the operation of the method for shortening the waiting time of the traffic broadcasting service according to the present invention.

Hereinafter, the operation of the present invention will be described in detail with reference to the flowchart of FIG. 4 based on the apparatus of FIG. 1.

First, when the navigation terminal mounted on the vehicle starts the TPEG traffic broadcasting service (step S10), the reception of the TPEG traffic information signal through the tuner 1 and the demodulation function of the traffic information signal through the demodulator 2 are continued. While performing, the TPEG decoder 3 is driven to wait for a reception input of the TPEG data (step S11).

In this state, the navigation engine 5 determines whether the TPEG data is received (step S12), and if it is determined that the TPEG data is being received, the current position information received through the GPS module 8 And drive the LCD driver 6 based on the traffic information and additional information of the TPEG data so that the traffic information screen is outputted to the LCD panel 7 (step S14), and the traffic information and additional information of the TPEG data. Are stored in the first database 10a and the second database 10b of the memory 10, respectively (step S14).

On the other hand, the navigation engine 5 determines whether new TPEG data is received (step S15), and when it is determined that new TPEG data is received, a message inquiring whether to update the new TPEG data is displayed on the LCD. The display is made to be displayed on the panel 7 (step S16).

In the state where the update inquiry message is displayed, it is determined whether the update is allowed by the user input of the input unit 9 (step S17), and if it is determined that the user allows the update, the first step of the memory 10 is displayed. The data stored in the first and second databases 10a and 10b are erased (step S18), and the process returns to step s13, where the traffic information and additional information of the new TPEG data are displayed along with the screen output of the TPEG data. The first and second databases 10a and 10b of FIG. 10 are updated and stored.

On the other hand, if it is determined that the TPEG data is not received according to the determination result of step S12, it is determined whether the reception of the TPEG data is the first reception (step S19).

As a result of the determination, if it is determined that the process of determining whether the TPEG data is received is not a process of determining the first reception, the traffic information stored in the first and second databases 10a and 10b of the memory 10 is determined. And read the additional information so that an image can be output through the LCD panel 7 (step S20).

On the other hand, the present invention is not limited to the above-described typical preferred embodiments, but can be carried out in various ways without departing from the gist of the present invention in various ways, modifications, substitutions or additions in the art. Anyone with knowledge of the world can easily understand it. If the implementation by such improvement, change, replacement or addition falls within the scope of the appended claims, the technical idea should also be regarded as belonging to the present invention.

As described above, according to the present invention, when performing the DMB TPEG data broadcasting service, the TPEG data intermittently received by the traffic broadcasting terminal mounted on the vehicle is stored in the database, and the database is stored during the period when the TPEG data is not received. Traffic information and additional information can be outputted by using the TPEG data stored in the data, and when new TPEG data is received, the data stored in the database can be updated. Even when connected, the previously received data can be serviced, and the waiting time for service can be greatly reduced, and management through storage of TPEG data can be easily performed.

Claims (5)

In the method for providing a traffic broadcasting service, Receiving the traffic broadcasting data, storing the traffic broadcasting data in a database; And a second step of reading the traffic broadcasting data stored in the database and outputting the traffic broadcasting data on the traffic broadcasting screen during the period when the traffic broadcasting data is not received. The method of claim 1, In the first step, the traffic broadcasting data stored in the database includes traffic information and additional information, the waiting time shortening method of the traffic broadcasting service. The method of claim 2, The traffic information is a method for reducing the waiting time of a traffic broadcasting service, characterized in that the average section speed, section passing time, traffic information, yugo information. The method of claim 2, And the additional information is text information including longitude / latitude coordinates and additional data such as gas stations, restaurants, tourist attractions, theater information, weather, and news information. The method of claim 1, In the first step, if new traffic broadcasting data is received while traffic broadcasting data is stored in the database, displaying an update query message of the stored data; If the update of the stored data is allowed, further comprising the step of erasing the old data stored in the database and storing the newly received traffic broadcasting data, the method of shortening the waiting time of the traffic broadcasting service.

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