KR100913548B1 - Navigation information update device and navigation information update system using the same - Google Patents

Abstract

The present invention relates to a navigation provided in a vehicle to provide destination route information to a user. More particularly, the present invention relates to a navigation information updating apparatus capable of updating map information of a navigation through a broadcast signal, and a navigation information updating system using the navigation information. will be.

The navigation information updating apparatus according to the present invention is a broadcast signal for receiving a broadcast signal including a plurality of layers, each of which is divided into divided blocks having different sizes according to the update frequency, and including update information composed only of the divided blocks in which the update has occurred. A receiver; An update information extraction unit for extracting update information from the broadcast signal received by the broadcast signal receiving unit; And an update processing unit for updating previously stored navigation information with reference to the division block in which the update has occurred in the update information output from the update information extracting unit.

Navigation, Numeric Maps, Map Updates, Broadcast Signals, DMB

Description

Up-date apparatus for navigation's map and Up-date system using the apparatus}

The present invention relates to a navigation provided in a vehicle to provide destination route information to a user. More particularly, the present invention relates to a navigation information updating apparatus capable of updating map information of a navigation through a broadcast signal, and a navigation information updating system using the navigation information. will be.

Many users are using navigation due to the increase in the number of vehicles and the development of automatic navigation system. The navigation uses a stored numerical map (map) to provide a vehicle's current location, route guidance to a destination input by the user, nearby maps, and geographic information.

The numerical map stored in the navigation must be updated according to the change of the terrain, road and geographic information. The conventional numerical map is connected to the server operated by the corresponding navigation manufacturer or the numerical map manufacturer through a user's computer to download the update information, and then again. The update method was used by connecting and downloading the user computer and the navigation.

Therefore, a user may periodically search for updates of the numerical map through his computer, download the updated information, and update the navigation information.

Meanwhile, due to the development of wireless data communication technologies such as IPTV, HSDPA, and Wibro, and broadcasting technologies such as satellite and terrestrial DMB, a lot of information can be accessed through personal portable terminals. In particular, DMB (Digital Multimedia Broadcasting), which is called a handheld TV, is installed in most portable devices such as navigation devices as well as personal portable terminals and vehicle terminals. DMB is a broadcasting service that digitally modulates various multimedia signals such as voice / video and provides them to fixed or portable and vehicle receivers.

DMB is based on DAB (Digital Audio Broadcasting), a technology for digital radio, and a multimedia broadcasting concept is added to it to send additional data such as video, weather, news, and location. On the go, there is an advantage that you can enjoy high quality / high definition broadcasting of CD / DVD level through personal mobile terminal, vehicle terminal and navigation.

In the conventional navigation updates, the elderly or housewives who are not able to handle electronic products can't directly update because they need to connect the navigation directly to the computer or download the update information to the navigation using a mobile storage medium. However, since it needs to be updated through a separate computer or a mobile storage medium, there is a disadvantage in that real-time updating is impossible.

In addition, navigation updates update not only the firmware stored in the navigation but also the entire numerical map at once, ranging from hundreds of MB to several GB of data. Therefore, it is almost impossible to update the update data having such a large amount of data in real time without a separate computer or a mobile storage medium.

Accordingly, the present applicant uses the broadcast signal reception function including the DMB, which occupies most of the navigation as described above, and the airwave, satellite DMB signal, or the terrestrial wave using the navigation that supports wireless data communication services such as IPTV, HSDPA, and Wibro. The present invention has been studied by a method of transmitting and updating a digital map of a navigation in real time through a DMB broadcast signal including a DMB or a signal of a broadcast channel using a communication network such as IPTV, HSDPA, Wibro, and the like.

SUMMARY OF THE INVENTION The present invention has been made in this context, and an object thereof is to provide a navigation information updating apparatus capable of updating a numerical map of a navigation in real time by using a broadcast signal such as a navigation and a DMB with a DMB or a wireless data communication function, and using the same. It is to provide a navigation information update system.

Furthermore, by hierarchizing the structure of the digital map in the update information, subdividing each layer into distinct blocks of different sizes according to the update frequency, and downloading only the divided blocks in which the update has occurred, and updating them in real time, a broadcast signal having a limited bandwidth or The present invention provides a navigation information updating apparatus capable of updating a navigation digital map in real time through a broadcast channel signal using wireless data communication, and a navigation information updating system using the same.

Furthermore, by providing an update priority for each layer of update information so that the update is performed according to the given priority, a navigation information updating device capable of preferentially applying and updating a user's necessary information and a navigation information updating system using the same are provided. There is.

Furthermore, the present invention provides a navigation information updating apparatus capable of providing personalized information set by a user, and a navigation information updating system using the same.

Furthermore, the present invention provides a navigation information update apparatus capable of providing additional information service specialized for each manufacturer and model of a navigation device, and a navigation information update system using the navigation information update device.

Furthermore, by temporarily storing the update information provided from the broadcast signal or the broadcast channel signal using the wireless data communication and processing the update by referring to the stored update information when retransmitting, the broadcast signal or the broadcast channel signal using the wireless data communication caused by the failure Even in the case of disconnection, the present invention provides a navigation information update apparatus and a navigation information update system using the same, which can improve update efficiency through successive succession.

Furthermore, the present invention provides a navigation information update apparatus and a navigation information update system using the same, which can collect user's driving information and / or map usage status information and reflect the additional information service and personalized information update.

According to an aspect of the present invention described above, the navigation information updating apparatus according to the present invention is formed of a plurality of hierarchies each of which is divided into distinct blocks of different sizes according to the update frequency, and includes update information composed of only the partition blocks in which the update has occurred. A broadcast signal receiver for receiving a broadcast signal, an update information extractor for extracting update information from a broadcast signal received by the broadcast signal receiver, and a division block in which an update has been generated from the update information output from the update information extractor; And an update processor for updating previously stored navigation information.

In addition, according to an aspect of the present invention, the navigation information updating system according to the present invention is formed of a plurality of hierarchies each divided into different sized division blocks according to the update frequency, and a plurality of updates composed of only the division blocks in which the update has occurred. Store and manage information and program schedule information, and update management server for providing update information to a broadcasting transmission center according to the broadcasting schedule, and receiving the broadcast signal transmitted from the broadcasting transmission center to extract update information and generating an update. And an update information device for updating previously stored navigation information with reference to the division block.

Accordingly, the navigation information updating apparatus and the navigation information updating system using the same according to the present invention are divided into smaller division blocks in the frequent update layer, and larger divisions in the non-update layer divide the size of the division block into large blocks. By only receiving and updating the bay, the update efficiency can be improved by only providing the broadcast signal having a limited bandwidth, as well as real-time updating.

According to a characteristic aspect of the present invention, by transmitting broadcast signals having different transmission bands and transmission periods for each layer, the update efficiency can be improved.

According to another aspect of the present invention, the navigation information updating apparatus according to the present invention gives priority to each region of the hierarchy of received update information and processes the update according to the priority, thereby updating the update information currently required by the user first. To use.

According to another aspect of the present invention, the update information of the navigation information updating apparatus and the navigation information updating system using the same according to the present invention may include additional information hierarchies for providing additional information for each navigation manufacturer and model and personalized information set by the navigation user. It further includes a personalized information layer provided.

According to another aspect of the present invention, the navigation information updating apparatus and the navigation information updating system using the navigation information update apparatus according to the present invention collects driving information and / or map usage status information collected by the navigation information updating apparatus. The map usage information is transmitted to the update management server so that it can be reflected in the additional information service and personalized information update.

According to another aspect of the present invention, the navigation information updating apparatus and the navigation information updating system using the same according to the present invention by temporarily storing the update information provided from the broadcast signal and inherited by referring to the stored update information at the time of retransmission, Even in the case of a disconnection due to a broadcast signal failure, the update efficiency can be improved through successive succession.

The navigation information updating apparatus and the navigation information updating system using the same according to the present invention are divided into smaller sized blocks in the frequent update layer, and largely divided size of the divided block in the non-updated layer, and only update the divided block. Therefore, the update efficiency can be improved by providing the broadcast signal having a limited bandwidth, and the real time update can be performed.

In addition, by transmitting update information through a broadcast signal having a different transmission band and transmission period for each layer, the update efficiency can be improved.

In addition, by sending a wake-up signal to the update information, even if the user does not use the navigation, the update is automatically activated by updating the navigation when the user receives the update information. It has the advantage to do it.

In addition, by giving priority to each region of the layer of the received update information and processing the update according to the priority, the user has the advantage that can be used by preferentially updating the update information currently required.

In addition, the update information has an advantage of providing more effective local information by providing additional information for providing additional information for each navigation maker and model and personalized information set by the navigation user.

In addition, the navigation information update device collects driving information and / or map usage status information of the user and transmits the collected driving information and / or map usage status information to the update management server to reflect the additional information service and personalized information update. By doing so, it has the advantage of providing effective customized information to the user.

In addition, by temporarily storing the update information provided from the broadcast signal and processing the update by referring to the stored update information when retransmitting, even in the case of interruption due to a broadcast signal failure, the update efficiency is increased through successive resumption. Has the advantage.

The foregoing and further aspects of the present invention will become more apparent through the preferred embodiments described with reference to the accompanying drawings. Hereinafter, the present invention will be described in detail to enable those skilled in the art to easily understand and reproduce the present invention.

1 is a schematic diagram schematically showing a navigation information update system according to an exemplary embodiment of the present invention. As shown, the navigation information update system according to the present invention includes, for example, a broadcast such as a DMB broadcast signal including an air wave, a satellite DMB signal or a terrestrial DMB, and a signal of a broadcast channel using a communication network such as IPTV, HSDPA, or Wibro. The broadcasting transmission center 100 which transmits a signal, converts the update information into a broadcasting signal, and transmits the signal, and is formed of a plurality of hierarchical layers, each divided into distinct blocks of different sizes according to the update frequency. A broadcast management server 300 that stores and manages a plurality of update information and broadcast schedule information, which are configured only, and provides update information to the broadcast transmission center 100 according to a broadcast schedule, and a broadcast transmitted from the broadcast transmission center 100. Receives a signal to extract update information, and saves the updated information by referring to the division block where the update occurred. It is configured to include a navigation that includes the navigation information update unit 500 to update the Navigation information.

The broadcast transmission center 100 is implemented as a broadcast transmission system of a broadcasting station for transmitting a broadcast channel signal using a communication network such as, for example, a DMB broadcast signal including airwaves, satellite DMB signals, or terrestrial DMB, IPTV, HSDPA, Wibro, and the like. According to the update information provided from the update management server 300 and the broadcast transmission schedule of the corresponding update information, the update information, such as DMB broadcast signal including airwave, satellite DMB signal or terrestrial DMB, IPTV, HSDPA, Wibro, etc. It converts and transmits the signal of the broadcasting channel using the communication network.

The broadcast signal output from the broadcast transmission center 100 may be present or later in addition to the above-mentioned airwave broadcast signal, satellite DMB signal or DMB broadcast signal including terrestrial DMB, and a broadcast channel signal using a communication network such as IPTV, HSDPA, Wibro, or the like. It may include all of the various broadcast standards to appear and broadcast service signals through the same.

The update management server 300 receives and manages update information for each model of the navigation manufacturer provided from the update information manufacturer server 700. In addition, the stored information is transmitted to the broadcast transmission center 100 according to the broadcast transmission schedule negotiated with the update information manufacturer.

The update management server 300 will be described in more detail with reference to FIG. 2. 2 is a block diagram schematically illustrating an update management server according to an exemplary embodiment of the present invention. As shown, the update management server 300 according to the present invention is a communication unit 310 for transmitting and receiving data through a communication network including the broadcast transmission center 100 and the update information production server 700 and the Internet, and the manufacturer of the navigation An update information database 320 storing update information for each model or model, an update information collection unit 330 for collecting or receiving update information for each manufacturer or model, and storing the update information for each model in the update information database 320; The broadcast schedule table 340 in which the broadcasting schedule information for the broadcast transmission schedule of the update information stored in the information database 320 is stored, and the update information stored in the update information database 320 according to the broadcast schedule table 340 are broadcasted. It is configured to include an update information providing unit 350 provided to the center (100).

The communication unit 310 may be implemented as, for example, an Ethernet card for the Internet, and transmits and receives data to and from a server operated by the broadcasting transmission center 100 and the update information production server 700 through a communication network.

The update information database 320 may be, for example, a mass storage device such as a hard disk drive. The update information database 320 stores and manages update information for each model of a navigation manufacturer provided by the update information manufacturer and the update information manufacturer server 700. The update information thus stored is accessed and controlled by the update information provider 350.

The update information collector 330 receives update information transmitted from the update information manufacturer server 700 and stores the update information in the update information database 320 for each model, or periodically connects to the update information manufacturer server 700 for update. Information is collected and the collected update information is stored in the update information database 320.

According to a characteristic aspect of the present invention, update information according to the present invention is formed of a plurality of layers, and each layer is subdivided into distinct blocks of different sizes according to the update frequency. As a result, a layer in which updates occur frequently can be divided into a plurality of partition blocks by reducing the size of the partition block, and a layer that does not have many updates can increase the efficiency of the update by increasing the size of the partition block. Real-time updates are possible through broadcast signals that provide data rates. This layer of update information and the segmentation block segmentation of each layer will be described in more detail with reference to FIG. 3.

3 is a schematic diagram schematically showing hierarchical update information according to an exemplary embodiment of the present invention. As shown, the update information according to the present invention may be divided into a background layer, a facility guide information layer, and a road information layer for each region. The background layer may consist of, for example, a digital map that provides terrain information. The facility guide information is, for example, a layer providing feature information such as a name and a building of a corresponding area, and the road information is a layer providing traffic information such as a road network, an intersection, and a traffic signal. Navigation is provided to the user by overlapping and displaying each of these layers. In addition, the update information may include update version information, size information of a division block for each layer, index information of a layer in which an update occurs, and a division block.

In general, the background layer is relatively less frequent than the facility guide information and road information. In other words, no additional update is required until a change, such as a terrain change. In contrast, facility information and especially road information are frequently updated. The present invention uses the update frequency for each layer to increase the size of the division block in the background layer with few updates, and the facility guidance layer and the road information layer in which the frequent updates are made are divided into a plurality of small division blocks, and the navigation is performed. To the information update device 500.

For example, if each layer is implemented in the same size, the background layer is divided into four division blocks, and the facility guidance layer and road information are divided into sixteen division blocks, so that only the division block in which the update is generated is broadcast broadcasting center. Through the 100, it is sent to the navigation update device.

According to an additional aspect of the present invention, the update information according to the present invention may efficiently operate a limited broadcast band by varying a transmission band and a transmission period for each layer. That is, even in the same region, the user may preferentially receive and update a necessary layer by changing background bands, facility guides, and transmission bands and periods of the road information layer.

Accordingly, by receiving only the partition block in which the update has occurred without receiving all of the update information ranging from several hundred MB to several GB, the update is processed, so that a real-time update is possible even when using a broadcast signal having a narrow bandwidth and a low transmission rate.

The broadcast schedule table 340 is composed of a kind of table that is referred to for scheduling to send update information for each navigation maker and model stored in the update information database 320 according to a broadcast schedule. The broadcast schedule table 340 will be described in more detail with reference to FIG. 4.

4 is a schematic diagram schematically showing a broadcast schedule table according to an embodiment of the present invention. As shown, the broadcast schedule table 340 describes broadcast transmission start and end time, navigation manufacturer, model, hierarchy, region, and update file information to be transmitted. The update information provider 350 accesses the update information from the update information database 320 at a predetermined time according to the corresponding broadcast schedule table 340 and transmits the updated information to the broadcast transmission center 100.

The update information provider 350 accesses the update information with reference to the above-described broadcast schedule table 340 and transmits the updated information to the broadcast transmission center 100. The update information provider 350 checks the update schedule information to be sent to the manufacturer, model, hierarchy, region, and the like before the update information is sent, referring to the broadcast schedule table 340, and updates the corresponding information from the update information database 320. Access the information and create one update file. The update information provider 350 divides the generated update file into packets that can be transmitted by the broadcast transmission center 100, and transmits the divided update information packets to the broadcast transmission center 100.

The broadcast transmission center 100 receives the update information packet transmitted from the update information providing unit 350, converts the packet according to the broadcast transmission standard, and transmits it.

In addition, the number of partition blocks for each layer may vary depending on the degree of update. For example, if the data amount of the update of the set road information layer increases, the above-described 16 division blocks may be increased to 25 and divided.

Accordingly, the update information providing unit 350 may further include division block size information of each layer, index information of the layer on which the update occurred, index information of the region block, region location information, and segment block information of the layer on which the update occurred. 500) can be updated in a faster time by referring to the information.

According to a further aspect of the present invention, the update information according to the present invention further includes an additional information layer providing additional information for each manufacturer and model of the navigation. Accordingly, the additional information layer 360 accesses the additional information from the additional information database 360 according to the additional information database 360 storing the additional information of each manufacturer or model of the navigation, and the additional information providing request transmitted from the update information device. And an additional information providing unit 370 for providing the generated additional information layer to the update information and providing the generated additional information layer through the broadcast transmission center 100.

The additional information layer provides specialized information of the manufacturer of the navigation or the update information producer. When the user applies for the service, the additional information providing unit 370 is stored for each navigation maker or model stored in the additional information database 360. In addition, by accessing additional information such as gas price information, restaurants, and detailed maps of gas stations in the region, the additional information layer is generated and provided in addition to the updated information, thereby providing more local information to the user.

According to an additional aspect of the present invention, when the navigation information update device 500 receives a broadcast signal including the update information, the update information according to the present invention wakes up to activate the navigation information update device 500 to process the update. (Wake up) signal is further included. When the wake-up signal is transmitted to the navigation information updating apparatus 500, the navigation information updating apparatus 500 is activated for the update and processes the received update information, thereby processing the update regardless of the use of the navigation and the power on / off. Do it.

According to an additional aspect of the present invention, the update management server 300 according to the present invention receives the driving information or the navigation usage status information provided from the navigation information update apparatus 500 and provides it to the update information manufacturer server 700. Accordingly, the update management server 300 collects or receives the usage status information database 380 in which the driving information and / or the usage status information are stored, and the driving information and / or the usage status information provided from the update information device. The apparatus further includes a usage information collection unit which stores the classification by stars or models and provides the updated information to the production server 700.

The usage status information database 380 stores driving information and / or usage status information transmitted through the communication unit 310 for each navigation information update apparatus 500. The usage status collection providing unit 390 accesses the update information manufacturer server 700 at predetermined intervals and supplies driving information and / or usage status information corresponding to the navigation information update apparatus 500 stored in the usage status information database 380. to provide. Accordingly, by allowing the update information manufacturer to apply this in a later update, it has the advantage of providing effective customized information to the user of the user.

The navigation information updating apparatus 500 may be provided, for example, inside the navigation, and more preferably, may be implemented as the navigation itself. Receiving a broadcast signal such as a terrestrial or satellite DMB including update information transmitted from the broadcast transmission center 100 to extract update information, and updates previously stored navigation information according to the extracted update information. The navigation information update apparatus 500 will be described in more detail with reference to FIG. 5.

5 is a block diagram schematically illustrating an apparatus for updating navigation information according to an exemplary embodiment of the present invention. As shown, the navigation information updating apparatus 500 according to the present invention is formed of a plurality of hierarchical layers, each of which is subdivided into different sized division blocks according to the update frequency, and includes update information composed only of the division blocks in which the update has occurred. A broadcast signal receiver 510 for receiving a broadcast signal, an update information extractor 520 for extracting update information from the broadcast signal received by the broadcast signal receiver 510, and an update information extractor 520. And an update processing unit 530 for updating previously stored navigation information with reference to the division block in which the update occurred in the update information.

The broadcast signal receiving unit 510 selectively receives, for example, a channel set by a user from a DMB broadcast signal including an air wave, a satellite DMB signal or a terrestrial DMB, and a signal of a broadcast channel using a communication network such as IPTV, HSDPA, Wibro, or the like. It may be a broadcast tuner. The update information extractor 520 separately extracts and outputs only update information from the broadcast signal received and output by the broadcast signal receiver 510. Since a technique of extracting data from such a broadcast signal is already widely used, a detailed description thereof will be omitted.

The update processor 530 receives the update information extracted and output by the update information extractor 520, checks the partition block of the layer where the update occurs, and processes the update.

The update processor 530 receives the update information extracted by the broadcast signal receiver 510 and the update information extractor 520 and updates in real time when the user is driving the navigation by detecting whether the user drives the navigation.

More preferably, the update processing unit 530 compares the version information of the pre-stored information with the update version information provided by the update information providing unit 350 of the update management server 300 to determine whether to update the version information, and the version information. If different, the layer is processed by checking the layer and the partition block requiring update by referring to the size information of each received partition block, the layer on which the update occurred, and the index information of the partition block. This allows you to easily check the hierarchy and the division block where the update occurred, without having to check all the update information, and process the update faster.

In order to check the number of additionally divided partition blocks and the corresponding update partition blocks, the previously stored update target layer is subdivided into a plurality of partition blocks according to the size information of the partition block, and the index information of the layer and the partition block in which the update has been generated is divided. Update the corresponding division block by reference.

According to a characteristic aspect of the present invention, the update processor 530 according to the present invention receives update information from the update information extractor 520 according to the wake-up signal included in the update signal even when navigation is not used. Handle the update.

According to an additional aspect of the present invention, the update processing unit 530 of the navigation information updating apparatus 500 according to the present invention may be configured for each layer of a received update information, for each region, for each road, for example, for user setting or currently in progress. Priority is given by other divisions such as roads, regions, driving destinations, and updates are processed according to priorities, so that the user can preferentially update and utilize the currently required update information.

The update processor 530 receives the received update information, checks the update generation layer and the division block, gives priority to each layer and the division block, and processes the update according to the priority. For example, updated information on the road, area, and driving destination currently being driven gives the highest priority, followed by priority in the order of facility information or background information, so that the information needed by the user is given priority. Update to be provided.

According to an additional aspect of the present invention, the navigation information updating apparatus 500 according to the present invention receives and stores, for example, location information or memo information set or input by a user, and provides the navigation information.

Accordingly, the navigation information updating apparatus 500 according to the present invention accesses the personal information storage unit 540 for storing the location or memo set or input by the navigation user, and the personal information stored in the personal information storage unit 540. The personal information providing unit 550 may further include generating a personalized information layer and providing the generated personalized information layer.

The personal information storage unit 540 may be, for example, an EEPROM or a flash memory capable of reading and writing, and a location set or input by a user, for example, location information of a house, a company, a customer, or memo information of the location information. Manage your storage.

When the user drives the navigation, the personal information providing unit 550 accesses personalized information stored in the personal information storage unit 540 to generate a personalized information layer, and overlaps it with other layers to provide the user.

According to an additional aspect of the present invention, the navigation information updating apparatus 500 according to the present invention collects its own driving information and navigation usage status information and collects the driving information and / or usage status information collected every predetermined period or connection with a wireless communication network. Send to the update management server 300. Accordingly, the navigation information updating apparatus 500 includes a wireless communication unit 560 for transmitting and receiving data with a wireless communication network, a driving information database 570 for storing driving information and / or map usage status information, and driving information and use of a user. The apparatus further includes a driving information providing unit 580 which detects a current state and stores the driving information in the driving information database 570 and transmits driving information and / or usage status information stored in the driving information database 570.

The wireless communication unit 560 may be a wireless communication module that transmits and receives data in connection with a wireless data communication network or the wireless Internet. The wireless communication unit 560 uses driving information and / or maps output by the driving information providing unit 580 every predetermined period or connection establishment. Status information is transmitted to the update management server 300 through a wireless data communication network or wireless Internet.

The driving information database 570 may be, for example, an EEPROM or a flash memory capable of reading and writing, and stores driving information or navigation usage information of the user analyzed by the driving information providing unit 580.

The driving information providing unit 580 analyzes driving information such as driving route and driving time guided by the user through navigation, and / or map usage status information such as a destination, map search and utilization, and stores the driving information in the driving information database 570. do. The stored driving information and / or map usage status information are not updated and stored as history information, and are automatically deleted when the transmission is completed to the update management server 300 through the wireless communication unit 560.

The driving information providing unit 580 provides navigation information and / or map usage information stored in the driving information database 570 through the wireless communication unit 560 whenever a connection is established with a predetermined period or a wireless communication network. Send to the update management server 300. The driving information and / or map usage status information thus transmitted are reflected in future updates.

According to an additional aspect of the present invention, the navigation information updating apparatus 500 according to the present invention temporarily stores the update information provided from the broadcast signal and processes the update by referring to the stored update information when retransmitting, thereby resulting in a broadcast signal failure. Even in the case of disconnection, the update efficiency can be improved through successive succession.

Accordingly, the navigation information updating apparatus 500 temporarily updates the update information storage unit 590 for temporarily storing the update information extracted from the update information extracting unit 520 and the update information when the update information is retransmitted again without being completed. The electronic device may further include a follow-up processing unit 590 which receives the update information stored in the temporary storage unit 590 and provides the update information to the update processing unit 530.

The update information temporary storage unit 590 is implemented as, for example, an EEPROM or a flash memory capable of reading and writing, and temporarily receives and stores the update information output by the update information extracting unit 520. Since the update information output from the update information extractor 520 is a packet that can be transmitted from the broadcast transmission center 100, the update information is stored until all packets for update are received.

The succession processing unit 590 updates the temporary storage unit when receiving the update information after the reception is terminated because a situation such as terminating the use of navigation occurs in a region where a broadcast signal is not received or in a state where reception is not completed. The process of acquiring the update is processed by referring to the update information stored at 590, and when the reception of the update information is completed, the process is output to the update processing unit 530. Therefore, even in the case of a disconnection due to a broadcast signal failure, the update efficiency can be improved through successive succession.

1 is a schematic diagram schematically showing a navigation information update system according to an exemplary embodiment of the present invention.

2 is a block diagram schematically illustrating an update management server according to an exemplary embodiment of the present invention.

3 is a schematic diagram schematically showing hierarchical update information according to an exemplary embodiment of the present invention.

4 is a schematic diagram schematically showing a broadcast schedule table according to an embodiment of the present invention.

5 is a block diagram schematically illustrating an apparatus for updating navigation information according to an exemplary embodiment of the present invention.

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

100. Broadcast transmission center 300. Update management server

310. Communications Department 320. Update Information Database

330. Update information collector 340. Broadcast schedule table

350. Update information provider 360. Additional information database

370. Additional Information Providing Unit 380. Usage Status Information Database

390. Usage collection unit 500. Navigation information update device

510. Broadcast signal receiver 520. Update information extractor

530. Update processing unit 540. Personal information storage unit

550. Personal information provider 560. Wireless communication unit

570. Operation information database 580. Operation information provider

590. Update information temporary storage 600. Acquisition processing unit

700. Update Information Publisher Server

Claims (16)

A broadcast signal receiver configured to receive a broadcast signal, each of which is formed of a plurality of hierarchies divided into distinct blocks having different sizes according to the update frequency, the broadcast signal including update information configured only of the divided blocks in which the update has occurred; An update information extraction unit for extracting update information from the broadcast signal received by the broadcast signal receiving unit; The pre-stored navigation information is updated by referring to the division block in which the update has been made in the update information output from the update information extractor, and the priority is given by the hierarchy, the region, the road, and the other division, and the update is processed according to the priority. An update processing unit; A wireless communication unit for transmitting and receiving data with a wireless communication network; A driving information database for storing driving information and / or map usage status information; And a driving information providing unit configured to detect driving information and usage status of a user and store the driving information and usage status in the driving information database, and transmit driving information and / or usage status information stored in the driving information database. delete The method according to claim 1, wherein the update processing unit: The navigation information updating apparatus, comprising: detecting whether the navigation is driven and receiving update information included in the broadcast signal in real time when the navigation is driven. The method according to claim 3, A personal information storage unit for storing a location or a memo set or input by the navigation user; And a personal information providing unit for accessing personal information stored in the personal information storage unit to generate a personalized information layer and providing the generated personalized information layer. delete The method according to claim 4, An update information temporary storage unit for temporarily storing update information extracted from the update information extraction unit; And re-transmitting the update information if the transmission of the update information is not completed, by referring to the update information stored in the update information temporary storage unit and providing the update information to the update processing unit. The method according to any one of claims 1, 3, 4, 6, wherein the broadcast signal is: And a DMB broadcast signal including an air wave, a satellite DMB signal or a terrestrial DMB, and a signal of a broadcast channel using a communication network such as IPTV, HSDPA, Wibro, and the like. Each layer is formed of a plurality of layers divided into different sized division blocks according to the update frequency, and stores and manages a plurality of update information and broadcast schedule schedule information composed only of the division block in which the update has occurred, and updates the update information according to the broadcast schedule. An update management server for providing to a broadcasting transmission center, collecting or receiving driving information and / or usage status information, and providing the server to a server operated by a manufacturer and a model for storing and updating information for each navigation manufacturer or model; Receiving the broadcast signal transmitted from the broadcast transmission center, extracting update information, updating previously stored navigation information with reference to a block in which the update has occurred, and providing driving information and / or usage status information to the update management server; Navigation information updating system comprising an update information device. The server of claim 8, wherein the update management server is: An update information database storing update information for each manufacturer or model of the navigation; An update information collection unit which collects or receives update information for each manufacturer or model of the navigation and stores the update information in the update information database; A broadcast schedule table for storing broadcast schedule information for a broadcast transmission schedule of update information stored in the update information database; An update information provider for providing the broadcast transmission center with update information stored in an update information database according to the broadcast schedule table; A usage status information database storing driving information and / or usage status information of a plurality of update information devices; And collecting and receiving driving information and / or usage status information provided from the update information apparatus, classifying and storing each navigation manufacturer or model, and providing a usage status collection providing unit to a server operated by the update information manufacturer. Navigation information update system. The method of claim 9, wherein the update information is: Navigation information update system, characterized in that the number of partition blocks vary depending on the update degree for each layer. The system of claim 10, wherein the update information is: Navigation information update system, characterized in that the transmission band and transmission period is different for each layer. The method of claim 10, wherein the update information is: The navigation information updating system comprising update version information, size information of a division block for each layer, index information of a hierarchy and a division block in which an update has occurred, a background layer, a facility guide information layer, and a road information layer. The system of claim 12, wherein the update information is: A navigation information manufacturer and an additional information layer for providing additional information for each model; The update management server: An additional information database storing additional information for each manufacturer or model of the navigation; According to the request for providing additional information transmitted from the update information device, the additional information layer is accessed from the additional information database to generate an additional information layer, and the added additional information layer is added to the update information and provided through the broadcasting transmission center. Navigation information update system further comprising an information provider. The method of claim 13, wherein the update information is: And a wake up signal for activating the navigation information update device. delete The broadcast signal according to claim 8, wherein the broadcast signal is: Navigation information update system, characterized in that the signal of the broadcasting channel using a communication network, such as DMB broadcast signal including airwave, satellite DMB signal or terrestrial DMB, IPTV, HSDPA, Wibro.

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