KR20150125403A - Vehicle navigation device and method thereof - Google Patents

Abstract

The present invention relates to a vehicle navigation device and a control method thereof, wherein a user can be provided with route guide information easily and swiftly even in a shadow area, where GPS signals are received, by receiving driving information from a vehicle in the shadow area, where the GPS signals are received, and generating route guide information based on the received driving information and map data corresponding to the shadow area. The vehicle navigation device of a mobile communication terminal according to embodiments of the present invention comprises: a display part for displaying first route guide information including first vehicle location data corresponding to GPS signals and first map data; a receiving part for receiving information on driving from a vehicle; a detection part for generating second vehicle location information based on the information on driving and the proceeding direction of the vehicle; and a control part for generating second route guide information based on the second vehicle location data and second map data and displaying the second route guide information on the display part.

Description

[0001] VEHICLE NAVIGATION DEVICE AND METHOD THEREOF [0002]

The present invention relates to a vehicle navigation apparatus and a control method thereof.

Generally, the GPS receiving module does not receive or receive the GPS reception sensitivity in a dense area of a high-rise building in a city center, a tunnel or underground, and thus corrects the vehicle position by correcting the gyro sensor or map.

Korean Patent Application No. 10-2008-0078249

SUMMARY OF THE INVENTION An object of the present invention is to provide a navigation system that receives driving information from a vehicle at a shade position where GPS signals are not received and generates guidance information based on the received driving information and map data corresponding to the shade position, The present invention provides a vehicle navigation apparatus and method that can easily and promptly provide route guidance information to a user even in a shaded area where the vehicle can not be seen.

The vehicle navigation apparatus of the mobile communication terminal according to the embodiments of the present invention includes: a display unit for displaying one way information including first vehicle position data corresponding to a GPS signal and first map data; A receiving unit for receiving vehicle driving related information from the vehicle; A position detection unit for generating second vehicle position data based on the vehicle running related information and the traveling direction of the vehicle; And a control unit for generating second route guidance information based on the second vehicle position data and second map data and displaying the second route guidance information on the display unit.

As an example related to the present invention, the first map data may be a navigation map, and the second map data may be an indoor map.

As an example related to the present invention, when the vehicle enters the shaded area in which the GPS signal is not received, the control unit determines, based on the indoor map corresponding to the shaded area and the second vehicle position data, May generate route guidance information.

As an example related to the present invention, when the vehicle enters the shaded area, the control unit matches the second vehicle position data with the indoor map to determine the floor on which the vehicle is currently traveling among the respective layers of the indoor map And display the detected layer on the indoor map.

According to an embodiment of the present invention, the control unit reads the indoor map corresponding to the shade area from the storage unit, and based on the read indoor map and the second vehicle position data, Guidance information may be generated.

The controller may further include an altitude detection unit for detecting a current altitude of the vehicle, wherein the control unit adjusts the current altitude of the vehicle based on the altitude of each layer set on the indoor map and the current altitude, And display the detected layer position on the indoor map.

As an example of the present invention, the controller may read the indoor map corresponding to the building from the storage unit when the building exists in the shaded area.

As an example related to the present invention, the control unit may receive the indoor map from the server or the external vehicle when the indoor map corresponding to the shaded area is not present in the storage unit, 2 < / RTI > vehicle position data.

As an example related to the present invention, the control unit may transmit the second vehicle position data to the server when the indoor map corresponding to the shade area is not present in the storage unit, Receives the indoor map reflecting the data, and generates the second route guidance information based on the received indoor map and the second vehicle location data.

As an example related to the present invention, the control unit may detect and store the riding position and the getting off position of the vehicle among the layers of the indoor map, and may display the riding position and the getting off position on the indoor map.

The vehicle navigation method of the mobile communication terminal according to the embodiments of the present invention includes the steps of displaying on a display unit one route guidance information including first vehicle position data corresponding to a GPS signal and first map data; Receiving vehicle driving related information from the vehicle; Generating second vehicle position data based on the vehicle driving related information and the traveling direction of the vehicle; Generating second guidance information based on the second vehicle position data and the second map data, and displaying the second guidance information on the display unit.

The vehicle navigation apparatus and method according to the embodiments of the present invention include an indoor map corresponding to vehicle position data (a shaded area) corresponding to a position at which a GPS signal is not received, and road guidance information based on the vehicle position data It is possible to provide the user with the guidance information easily and quickly even in the shadow area where the GPS signal is not received.

The vehicle navigation apparatus and method according to the embodiments of the present invention can easily obtain the indoor map from the server or the external vehicle by receiving the indoor map corresponding to the position (shaded area) where the GPS signal is not currently received from the server or the external vehicle And can quickly acquire the indoor map.

The vehicle navigation apparatus and method according to the embodiments of the present invention are characterized in that when there is no indoor map corresponding to a position (shaded area) where GPS signals are not currently received, The present invention can accurately detect the current position of the vehicle on the basis of the indoor map reflecting the movement trajectory information of the vehicle received from the server.

1 is a block diagram illustrating a configuration of a mobile communication terminal for explaining embodiments of the present invention.
2 is a conceptual diagram illustrating a mobile communication terminal and a vehicle according to embodiments of the present invention.
3 is an exemplary view showing a mobile communication terminal mounted in a vehicle.
4 is a block diagram illustrating a configuration of a vehicle navigation device of a mobile communication terminal according to embodiments of the present invention.
5 is a flowchart illustrating a method of controlling a vehicle navigation device of a mobile communication terminal according to an embodiment of the present invention.
6A and 6B illustrate map information matching second vehicle position data and second map data according to an exemplary embodiment of the present invention.
7 is a flowchart illustrating a method of controlling a vehicle navigation device of a mobile communication terminal according to another embodiment of the present invention.
8 is a flowchart illustrating a method of controlling a vehicle navigation device of a mobile communication terminal according to another embodiment of the present invention.

It is noted that the technical terms used herein are used only to describe specific embodiments and are not intended to limit the invention. It is also to be understood that the technical terms used herein are to be interpreted in a sense generally understood by a person skilled in the art to which the present invention belongs, Should not be construed to mean, or be interpreted in an excessively reduced sense. Further, when a technical term used herein is an erroneous technical term that does not accurately express the spirit of the present invention, it should be understood that technical terms that can be understood by a person skilled in the art are replaced. In addition, the general terms used in the present invention should be interpreted according to a predefined or prior context, and should not be construed as being excessively reduced.

Also, the singular forms "as used herein include plural referents unless the context clearly dictates otherwise. In the present application, the term "comprising" or "comprising" or the like should not be construed as necessarily including the various elements or steps described in the specification, Or may be further comprised of additional components or steps.

Furthermore, terms including ordinals such as first, second, etc. used in this specification can be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or similar elements throughout the several views, and redundant description thereof will be omitted.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It is to be noted that the accompanying drawings are only for the purpose of facilitating understanding of the present invention, and should not be construed as limiting the scope of the present invention with reference to the accompanying drawings.

1 is a block diagram illustrating a configuration of a mobile communication terminal 100 for explaining embodiments of the present invention. The mobile communication terminal (mobile phone) 100 may be implemented in various forms. For example, the mobile communication terminal 100 includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), and a telematics terminal .

1, the mobile communication terminal 100 includes a wireless communication unit 110, an A / V (audio / video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150 A memory 160, an interface unit 170, a control unit 180, a power supply unit 190, and the like. All of the components of the mobile communication terminal 100 shown in FIG. 1 are not essential components, and the mobile communication terminal 100 may be implemented by more components than the components shown in FIG. 1, The mobile communication terminal 100 may be implemented by a component.

The wireless communication unit 110 may include at least one component for performing wireless communication between the mobile communication terminal 100 and the wireless communication system or wireless communication between the mobile communication terminal 100 and a network on which the mobile communication terminal 100 is located . For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114 and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may be a server for generating and transmitting broadcast signals and / or broadcast-related information, or a server for receiving previously generated broadcast signals and / or broadcast-related information and transmitting the broadcast signals and / or broadcast- related information to the mobile communication terminal 100 . The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

Meanwhile, the broadcast related information may be provided through a mobile communication network, and in this case, it may be received by the mobile communication module 112. The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcasting signals using various broadcasting systems. In particular, the broadcasting receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) Only Digital Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 is configured to be suitable for all broadcasting systems that provide broadcasting signals as well as the digital broadcasting system described above. The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data related to transmission and reception of a voice call signal, a video call signal, and / or a text / multimedia message.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile communication terminal 100 or externally. Here, the wireless Internet technology includes a wireless LAN (WLAN), a Wi-Fi, a wireless broadband (Wibro), a WiMAX, and a High Speed Downlink Packet Access (HSDPA) Can be used.

The short-range communication module 114 means a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, etc. may be used as the short distance communication technology.

The position information module 115 is a module for confirming or obtaining the position of the mobile terminal (capable of checking the position of the vehicle when the mobile terminal is mounted on the vehicle). One example is the GPS (Global Position System) module. The GPS module receives position information from a plurality of satellites. Here, the location information may include coordinate information indicated by latitude and longitude. For example, the GPS module can accurately calculate the current position according to the triangle method by measuring the precise time and distance from three or more satellites and measuring three different distances. A method of obtaining distance and time information from three satellites and correcting the error by one satellite may be used. In particular, the GPS module can acquire latitude, longitude and altitude as well as three-dimensional velocity information and accurate time from the position information received from the satellite. A Wi-Fi Positioning System and / or a Hybrid Positioning System may be applied as the location information module 115.

The position information module 115 may further include a geomagnetic sensor, a gravity sensor, an acceleration sensor, an altimeter, a gyro sensor, and the like. The position information module 115 may detect the running direction of the vehicle by using the geomagnetism sensor, the acceleration sensor, the gyro sensor, the altitude sensor (altimeter), or the like.

The A / V input unit 120 is for inputting an audio signal or a video signal. The A / V input unit 120 includes a camera 121 and a microphone 122, . The camera 121 processes an image frame such as a still image or a moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be composed of two or more according to the configuration of the mobile terminal.

The microphone 122 receives an external sound signal by a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. In the call mode, the processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 and output. The microphone 122 may be implemented with various noise reduction algorithms for eliminating noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the mobile terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like. Particularly, when the touch pad has a mutual layer structure with the display unit 151, it can be called a touch screen.

The sensing unit 140 senses the current state of the mobile communication terminal 100 such as the open / close state of the mobile communication terminal 100, the presence or absence of the user of the mobile communication terminal 100, And generates a sensing signal for control. For example, when the mobile communication terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. The sensing unit 140 senses whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like.

The interface unit 170 serves as an interface with all external devices connected to the mobile communication terminal 100. For example, the interface unit 170 may include a headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, An audio input / output (I / O) port, a video I / O (input / output) port, and an earphone port. Here, the identification module is a chip that stores various information for authenticating the usage right of the mobile communication terminal 100, and includes a user identification module (UIM), a subscriber identity module (SIM) ), A Universal Subscriber Identity Module (" USIM "), and the like. In addition, an apparatus (hereinafter, referred to as 'identification device') having the identification module may be manufactured in a smart card format. Accordingly, the identification module can be connected to the mobile communication terminal 100 through the port. The interface unit 170 receives data from an external device or receives power from the external device and transmits the received data to each component in the mobile communication terminal 100 or transmits data in the mobile communication terminal 100 to an external device.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 includes a display unit 151, an audio output module (audio output unit) 152, (153), and the like.

The display unit 151 displays information to be processed by the mobile communication terminal 100 and outputs the information. For example, when the mobile communication terminal 100 is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile communication terminal 100 is in the video communication mode or the photographing mode, the displayed image or the UI or GUI is displayed.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display (3D display). There may be two or more display units 151 according to the embodiment of the mobile communication terminal 100. For example, the mobile communication terminal 100 may be provided with an external display unit (not shown) and an internal display unit (not shown) at the same time.

(Hereinafter, referred to as a 'touch screen') has a mutual layer structure with the display unit 151 and a sensor (hereinafter, referred to as 'touch sensor' It can also be used as an input device in addition to the device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch. If there is a touch input to the touch sensor, the corresponding signal (s) is sent to a touch controller (not shown). The touch controller processes the signal (s) and transmits the corresponding data to the control unit 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

The proximity sensor 141 may be disposed in an inner region of the mobile communication terminal 100 or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor 141 refers to a sensor that detects the presence of an object approaching a predetermined detection surface or an object existing in the vicinity thereof without mechanical contact by using electromagnetic force or infrared rays. The proximity sensor 141 has a longer lifetime and higher utilization than the contact-type sensor.

Examples of the proximity sensor 141 include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch" The act of actually touching the pointer on the screen is called "Contact Touch ". A position where the pointer is proximally touched on the touch screen means a position where the pointer corresponds to the touch screen vertically when the pointer is touched.

Further, the proximity sensor 141 detects a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, do. Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The sound output module 152 outputs audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, and a broadcast reception mode. The sound output module 152 outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile communication terminal 100. The sound output module 152 may include a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile communication terminal 100. Examples of events that occur in the mobile terminal include receiving a call signal, receiving a message, and inputting a key signal. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than an audio signal or a video signal. For example, it is possible to output a signal in a vibration mode. When the call signal is received or the message is received, the alarm unit 153 can vibrate the mobile terminal through the vibration means to inform it. Alternatively, when the key signal is input, the alarm unit 153 may vibrate the mobile communication terminal 100 through the vibration means with the feedback of the key signal input. Through the above-described vibration, the user can recognize the occurrence of the event. Of course, a signal for notifying the occurrence of an event may also be output through the display unit 151 or the audio output module 152.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or suction force of air through the injection port or the suction port, a spit on the skin surface, contact with an electrode, And various effects of tactile effect such as effect of reproducing the cold sensation using the heat absorbing or heatable element can be generated.

The haptic module 154 can transmit a tactile effect through direct contact, and the tactile effect can be felt by a user through a muscular sense such as a finger or an arm. At least two haptic modules 154 may be provided according to the configuration of the telematics terminal. The haptic module 154 may be provided in a place where frequent contact with a user is frequent in the vehicle. For example, a steering wheel, a shift gear lever, a seat, and the like.

The memory 160 may store a program for processing and controlling the controller 180 and temporarily store the input / output data (e.g., map data, a phone book, a message, a still image, For example.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) (Random Access Memory) SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory) A disk, and / or an optical disk. In addition, the mobile communication terminal 100 may operate a web storage that performs a storage function of the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the mobile terminal 100. For example, the interface unit 170 may include a headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, An audio input / output (I / O) port, a video I / O (input / output) port, and an earphone port. Here, the identification module is a chip that stores various information for authenticating the use right of the mobile terminal 100, and includes a user identification module (UIM), a subscriber identity module (SIM) A Universal Subscriber Identity Module (USIM), and the like. In addition, the device having the identification module (hereinafter, referred to as 'identification device') can be manufactured in a smart card format. Accordingly, the identification module can be connected to the mobile terminal 100 through the port. The interface unit 170 receives data from an external device or receives power from the external device and transmits the received data to each component in the mobile terminal 100 or transmits data in the mobile terminal 100 to an external device.

When the mobile terminal 100 is connected to an external cradle, the interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100, or various commands A signal may be transmitted to the mobile terminal 100. The various command signals or the power source inputted from the cradle may be operated as a signal for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile communication terminal 100. For example, the control unit 180 performs related control and processing for voice call, data communication, video call, and the like. In addition, the controller 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180.

The control unit 180 can perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 and supplies power required for operation of the respective components.

The functions of the components applied to the mobile communication terminal 100 may be implemented in a computer-readable recording medium using software, hardware, or a combination thereof. According to a hardware implementation, an application specific integrated circuit (ASIC), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs) controllers may be implemented using at least one of micro-controllers, microprocessors, and electrical units for performing functions. In some cases, such embodiments may be implemented by the controller 180 In accordance with a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be stored in a software application written in a suitable programming language The software code may be stored in the memory 160, May also be performed by the < / RTI >

The voice recognition module 182 recognizes a voice uttered by a user and performs a corresponding function according to the recognized voice signal.

A navigation session 183 applied to the mobile communication terminal 100 displays a traveling route on the map data. The navigation session 183 displays a traveling route on the map data, and when the position of the mobile communication terminal 100 is within a predetermined distance from a dead zone included in the traveling route, (E.g., a car navigation device) mounted on a nearby vehicle and / or a mobile communication terminal carried by a nearby pedestrian through a wireless communication network (for example, a local area wireless communication network) Receives positional information of the neighboring vehicle from the terminal, and receives the positional information of the neighboring pedestrian from the mobile communication terminal carried by the neighboring pedestrian.

2 is a conceptual diagram illustrating a mobile communication terminal and a vehicle according to embodiments of the present invention.

As shown in FIG. 2, the mobile communication terminal 100 may be connected to a vehicle through a wired or wireless communication network. The mobile communication terminal 100 receives traffic information from the information providing center 30 providing traffic information and various data (for example, programs, executable files, etc.) through the remote wireless communication network 20 and / And provides a route guidance service based on the GPS signal received through the satellite 10 and the traffic information. Here, the communication network may further include a wired / wireless communication network such as a LAN (Local Area Network) and a WAN (Wide Area Network).

Traffic information such as traffic light information (eg, road traffic information, interest area information) is collected through the communication network and the collected information is transmitted from the information providing center 30 (for example, a server) Group) standard and transmitted to the broadcasting station. Accordingly, the broadcasting station inserts the traffic information including the traffic light information into the broadcast signal and broadcasts the traffic information to the vehicle 200.

The server is connected to various networks connected to a communication network, for example, an operator input, a wired / wireless Internet, a Transparent Data Channel (TDC), a digital broadcasting service such as a Multimedia Object Transport (MOC) Various traffic information, for example, TPEG (Transport Protocol

Expert Group) format and transmits it to the broadcasting station.

The server generates a traffic information format of the TPEG standard including the traffic light information

To a broadcasting station.

The broadcasting station transmits traffic information including traffic signal information received from the server to the mobile communication terminal 100 by wirelessly transmitting the traffic information.

The traffic information includes traffic light information and information on various traffic conditions necessary for roads, marine, and air navigation such as accidents, road conditions, traffic congestion, road construction, road shutdown, . ≪ / RTI >

The broadcasting station receives traffic information including traffic signal information processed from a server, and transmits the traffic information to the mobile communication terminal 100 through a digital signal according to various digital broadcasting standards. In this case, the broadcasting standard may be a digital audio broadcasting (DAB) standard based on Eureka-147 [ETSI EN 300 401], terrestrial or satellite digital multimedia broadcasting (DMB), terrestrial digital video broadcasting A Digital Video Broadcasting (DVB-T) standard, a Digital Video Broadcasting-Handheld (DVB-H) standard, and an MFLO (Media Forward Link Only) standard.

Also, the broadcasting station can transmit traffic information including traffic light information through a wired / wireless network such as wired / wireless Internet.

The term " vehicle " means all possible carriers that are implemented using a mechanical or electronic device for the purpose of moving people or goods, such as a general passenger car, bus, train, ship or aircraft.

The vehicle mounts a traffic information receiving terminal, receives traffic light information from a broadcasting station using the mounted traffic information receiving terminal, processes the traffic light information, and transmits the processed traffic light information to the user through graphics, text and / It can also be delivered.

3 is an exemplary view showing a mobile communication terminal 100 mounted on a vehicle.

As shown in FIG. 3, the mobile communication terminal 100 can be attached / detached to / from the vehicle by an in-dash type and an on-die type, depending on the type of installation in the vehicle. The on-die type is a type in which the mobile communication terminal 100 is mounted on a decoy board of the vehicle or the mobile communication terminal 100 is installed using a fixed support near the mobile communication terminal 100, The mobile communication terminal 100 can be separated from the vehicle easily and conveniently. The mobile communication terminal 100 can receive traffic information, map information, and the like from the server 200.

4 is a block diagram illustrating a configuration of a vehicle navigation device 400 of a mobile communication terminal 100 according to an embodiment of the present invention.

As shown in Fig. 4, the vehicle navigation device 400 includes:

(Global positioning system) signal received from the satellite and based on the received GPS signal, first vehicle position data corresponding to the current position of the vehicle (regarded as the same position as the mobile communication terminal 100) A GPS module 401 for generating a GPS signal;

(E.g., vehicle traveling speed information) from the vehicle when the vehicle enters a shaded area where the GPS signal is not received (e.g., an indoor parking lot of a building or the like) (114);

An altitude detection unit (402) for detecting a current altitude of the vehicle when the vehicle enters a shaded area where the GPS signal is not received (e.g., an indoor parking lot of a building, etc.);

(Dead-Reckoning) sensor (position detector) 403 for generating second vehicle position data based on the vehicle running speed information, the current altitude of the vehicle, and the running direction of the vehicle;

(Or memory) 160 for storing first map data (e.g., a navigation map) and second map data (e.g., an indoor map of a specific building);

The first vehicle position data and the first map data are generated by matching the first vehicle position data and the first map data by matching the second vehicle position data with the second map data, (matching map information) by matching the first route guidance information with the second route guidance information (matching map information);

A display unit (151) for displaying the first and / or second route guidance information;

And an acoustic output module (voice output unit) 152 for outputting the guidance voice information (the guidance voice message) included in the first or second guidance information. The first map data (e.g., navigation map) may include the second map data (e.g., an indoor map of a specific building).

The DR (Dead-Reckoning) sensor (position detector) 303 may include a geomagnetic sensor, an acceleration sensor, a gyro sensor, or the like. The DR (Dead-Reckoning) sensor 303 may detect the running direction of the vehicle by using the geomagnetism sensor, the acceleration sensor, the gyro sensor, or the like.

The DR (Dead-Reckoning) sensor (position detecting unit) 303 receives a steering angle from a steering angle sensor that senses an angle of the steering wheel of the vehicle, and receives a steering angle from a wheel speed sensor (Or velocity information), and may detect the running direction of the vehicle based on the received steering angle and the amount of wheel rotation (or velocity information). Here, the traveling direction of the vehicle may be detected using the geomagnetism sensor, the acceleration sensor, the gyro sensor, the altitude sensor (altimeter), and the like.

The vehicle navigation device 400 may use an altimeter as the altitude detection unit 402. [ The DR (Dead-Reckoning) sensor (position detecting unit) 303 includes a steering angle sensor for sensing the angle of the steering wheel of the vehicle when the altimeter is absent, a wheel speed sensor for sensing the amount of rotation of the vehicle wheel, A three-dimensional position according to the traveling direction of the vehicle can be detected by using a geomagnetic sensor for detecting the azimuth angle, a six-axis acceleration sensor for detecting the moving azimuth of the vehicle, and a gyro sensor. Since the method of detecting the three-dimensional position according to the traveling direction of the vehicle is a known technique, a detailed description thereof will be omitted.

The first and / or second route guidance information may include not only map data but also traffic information such as lane information, traveling speed limit information, turn-by-turn information, traffic safety information, traffic guidance information, vehicle information, And may include various kinds of information.

The signals received through the GPS module 401 include 802.11 which is a standard of a wireless network for a wireless LAN including a wireless LAN and some infrared communication proposed by IEEE (Institute of Electrical and Electronics Engineers), Bluetooth, UWB A wireless MAN (Metropolitan Area Network) (BWA) including 802.15, which is a standard for a wireless PAN (Personal Area Network) including a wireless LAN (WLAN) and ZigBee, and a city wideband network And 802.20, which is a standard for the mobile Internet for mobile broadband wireless access (MBWA) including WiBro, WiMAX, etc., And to provide the navigation device 400 with the location information.

The navigation unit 400 may further include an input unit, and the input unit may select a function desired by the user or receive information, and various devices such as a keypad, a touch screen, a jog shuttle, and a microphone may be used as the input unit have.

The control unit 180 matches the first vehicle position data with the links included in the first map data and outputs the matched map information (map matching result) to the display unit 151 Output. For example, the controller 180 may match the first vehicle position data and the links in the first map data stored in the memory 160 according to the link order, and may output the matched map information (map matching result) And displays it on the display unit 151.

The control unit 180 may display the road attribute information such as the single-storey road or the multi-storey road included in the matched map information (map matching result) on the display unit 151. [

The memory 160 stores first and second map data. At this time, the stored first map data includes geographic coordinates (geographic coordinates or latitude and longitude coordinates) indicating latitude and longitude in units of minutes (DMS unit: Degree / Minute / Second). The second map data may be an indoor map of a specific building, and may be an indoor map including a floor or a ground floor parking lot of a specific building (for example, a department store, a large mart, an apartment, etc.).

The memory 160 stores various information such as various menu screens, point of interest (POI), function characteristic information according to a specific position of map data, and the like.

The memory 160 stores various user interfaces (UI) and / or a graphical user interface (GUI).

The memory 160 stores data and programs necessary for the vehicle navigation apparatus 400 to operate.

The memory 160 stores destination information input from the user through the input unit.

The display unit 151 displays image information (or a route guidance map) included in the route guidance information generated by the controller 180. Here, the display unit 151 includes a touch sensor (touch screen) and a proximity sensor. The route guidance information may include not only map data but also various information related to driving such as lane information, traveling speed limit information, turn-by-turn information, traffic safety information, traffic guidance information, have.

When displaying the image information, the display unit 151 may display various contents such as various menu screens and guidance information by using the user interface and / or graphical user interface included in the memory 160 . Here, the content displayed on the display unit 151 includes various text or image data (including map data and various information data) and a menu screen including data such as an icon, a list menu, and a combo box.

Time traffic information and map data from the terminal (vehicle navigation device) installed in the control unit 180, the information providing center and / or the surrounding vehicles, and generate the route guidance information.

When the POI search menu is selected by the user, the controller 180 searches POIs located on the route from the current location to the destination and displays the retrieved POI on the display unit 151.

5 is a flowchart illustrating a method of controlling the vehicle navigation device 400 of the mobile communication terminal 100 according to an embodiment of the present invention.

First, the controller 180 matches the first vehicle position data received from the GPS module 401 with the first map data, and outputs the matched map information to the first road information And outputs the first route guidance information to the display unit 151 and the sound output module 152 (S11).

The control unit 180 determines whether the vehicle enters a shaded area where the GPS signal is not received (for example, a room in a department store, a large-sized mart, an apartment or the like) (S12). For example, if the GPS signal is not received, the controller 180 may determine that the vehicle has entered a shadow area where the GPS signal is not received. The control unit 180 determines whether or not the second map data (e.g., an indoor map of a department store, a large-sized mart, an apartment, etc.) corresponding to a position where the GPS signal is not currently received, It may be determined that the vehicle has entered a shaded area where the GPS signal is not received. A shaded area where the GPS signal is not received (for example, indoor of a department store, a large-sized mart, an apartment, etc.) may be a destination set by the user.

Under the control of the control unit 180, the DR sensor (position detection unit) 403 detects whether or not the vehicle enters a shaded area (for example, a department store, a large mart, an apartment or the like) where the GPS signal is not received , The vehicle running speed information is received from the vehicle through the near field communication module (receiving section) 114 or the wired communication interface (receiving section) (S13). For example, when the vehicle enters the shaded area where the GPS signal is not received (for example, a room such as a department store, a large mart, an apartment, etc.), the DR sensor 403 detects OBD , Vehicle self-diagnosis) terminal.

Under the control of the controller 180, the altitude detection unit 402 detects the altitude of the vehicle in the shade area where the GPS signal is not received (for example, in a room (ground or underground) such as a department store, a large- Upon entry, the current altitude of the vehicle is detected, and the detected current altitude is output to the DR sensor 403 (S14).

The DR sensor 403 generates second vehicle position data based on the vehicle running speed information, the current altitude of the vehicle, and the running direction of the vehicle, and outputs the second vehicle position data to the controller 180 (S15).

The controller 180 may be configured to match the second vehicle position data with the second map data, generate the matched map information as the second route guidance information (matched map information) And outputs the guidance information to the display unit 151 and the sound output module 152 (S16). For example, the control unit 180 reads an indoor map (second map data) corresponding to the second vehicle position data from the memory 160, and outputs the read indoor map (second map data ) With the second vehicle position data, and generates the matched map information as the second route guidance information (matched map information).

If the altimeter does not exist, the controller 180 matches the second map data with the three-dimensional position according to the traveling direction of the vehicle, and outputs the matched map information to the second guidance information ≪ / RTI > map information).

6A and 6B illustrate map information matching second vehicle position data and second map data according to an exemplary embodiment of the present invention.

6A, the controller 180 matches the first vehicle position data received from the GPS module 401 with the first map data, and outputs the matched map information 6 -1) is displayed on the first display area of the display unit 151. When the vehicle enters the shaded area (for example, A department store) where the GPS signal is not received, the controller 180 determines whether or not the indoor map corresponding to the second vehicle position data (for example, (The present position of the vehicle) 6-2a of the second vehicle position data (indoor map) and the second vehicle position data (the current position of the vehicle) 6-2a to the second display area of the display unit 151 Display. If the current altitude in the second vehicle position data is equal to the altitude of the first floor of the underground parking lot of the indoor map (for example, indoor map of department store A), the controller 180 controls the vehicle On the display unit 151, information (6-3) indicating that it is in the display area. The indoor map includes altitude information of each layer.

6B, the controller 180 determines whether or not the current altitude in the second vehicle position data (current position of the vehicle) 6-2b is greater than the current altitude in the second map (for example, the indoor map of the department store A) If it is equal to the altitude of the second floor of the underground parking lot, information (6-4) indicating that the position of the vehicle is in the second floor of the underground parking lot is displayed on the display unit 151.

If there is no altimeter, the controller 180 matches the three-dimensional position (second vehicle position data) along the traveling direction of the vehicle with the indoor map (for example, the indoor map of the department store A) It is possible to detect the current traveling layer among the respective layers of the indoor map and to display the floor position currently traveled by the vehicle on the indoor map (for example, the second floor of the underground parking lot of the department store).

Therefore, the vehicle navigation apparatus and the method according to the embodiment of the present invention may further comprise: an indoor map corresponding to second vehicle position data (shaded area) corresponding to a position where the GPS signal is not received; It is possible to easily and quickly provide the guidance information to the user even in the shadow area where the GPS signal is not received by generating the second guidance information based on the second guidance information.

7 is a flowchart illustrating a method of controlling the vehicle navigation device 400 of the mobile communication terminal 100 according to another embodiment of the present invention.

First, the controller 180 matches the first vehicle position data received from the GPS module 401 with the first map data, and outputs the matched map information to the first road information And outputs the first route guidance information to the display unit 151 and the sound output module 152. [

The control unit 180 determines whether the vehicle enters a shaded area where the GPS signal is not received (for example, a room such as a department store, a large-sized mart, an apartment or the like) (S21).

The control unit 180 determines whether an indoor map (second map data) corresponding to a location (shaded area) where the GPS signal is not currently received exists in the memory 160 (S22). If the building (for example, a department store, a large mart, an apartment, or the like) exists in a location (shaded area) where the GPS signal is not currently received, the controller 180 transmits an indoor map (second map data) May be present in the memory 160.

When the vehicle enters the shaded area where the GPS signal is not received (for example, a room such as a department store, a large-sized mart, an apartment, etc.) under the control of the controller 180, the DR sensor 403 performs short- And receives the vehicle running speed information from the vehicle through the module (receiving section) 114 or the wired communication interface (receiving section). For example, when the vehicle enters the shaded area where the GPS signal is not received (for example, a room such as a department store, a large mart, an apartment, etc.), the DR sensor 403 detects OBD , Vehicle self-diagnosis) terminal.

Under the control of the controller 180, the altitude detection unit 402 detects the altitude of the vehicle in the shade area where the GPS signal is not received (for example, in a room (ground or underground) such as a department store, a large- Upon detecting the current altitude of the vehicle, it outputs the detected current altitude to the DR sensor 403.

The DR sensor 403 generates second vehicle position data based on the vehicle running speed information, the current altitude of the vehicle, and the running direction of the vehicle, and outputs the second vehicle position data to the controller 180 (S23).

The controller 180 may be configured to match the second vehicle position data with the second map data, generate the matched map information as the second route guidance information (matched map information) And outputs the guidance information to the display unit 151 and the sound output module 152 (S24). For example, the control unit 180 reads an indoor map (second map data) corresponding to the second vehicle position data from the memory 160, and outputs the read indoor map (second map data ) With the second vehicle position data, and generates the matched map information as the second route guidance information (matched map information).

If the indoor map (second map data) corresponding to the location (shaded area) where the GPS signal is not currently received is not present in the memory 160, the controller 180 transmits the indoor map to the server 160 via the wireless communication network. (200) or requests an external vehicle (peripheral vehicle). The control unit 180 determines whether or not there is a building (for example, a department store, a large mart, an apartment, or the like) in a location (shaded area) where the GPS signal is not currently received, The request for the indoor map to the server 200 through the wireless communication network or the request to the external vehicle (neighboring vehicle) may be made.

The control unit 180 receives the indoor map from the server 200 or the external vehicle in step S25 and then matches the received indoor map with the second vehicle position data and outputs the matched map information (Matched map information), and outputs the second route guidance information to the display unit 151 and the sound output module 152. The second route guidance information is output as the second route guidance information (matched map information)

Therefore, the vehicle navigation apparatus and method according to another embodiment of the present invention can be configured to receive an indoor map corresponding to a position (shaded area) at which the GPS signal is not currently received from a server or an external vehicle, It is possible to acquire the indoor map easily and quickly.

8 is a flowchart illustrating a method of controlling the vehicle navigation device 400 of the mobile communication terminal 100 according to another embodiment of the present invention.

First, the controller 180 matches the first vehicle position data received from the GPS module 401 with the first map data, and outputs the matched map information to the first road information And outputs the first route guidance information to the display unit 151 and the sound output module 152. [

The control unit 180 determines whether the vehicle enters a shaded area where the GPS signal is not received (for example, a room such as a department store, a large-sized mart, an apartment or the like) (S31).

The controller 180 determines whether an indoor map (second map data) corresponding to a location (shaded area) where the GPS signal is not currently received exists in the memory 160 (S32). If the building (for example, a department store, a large mart, an apartment, or the like) exists in a location (shaded area) where the GPS signal is not currently received, the controller 180 transmits an indoor map (second map data) May be present in the memory 160.

When the vehicle enters the shaded area where the GPS signal is not received (for example, a room such as a department store, a large-sized mart, an apartment, etc.) under the control of the controller 180, the DR sensor 403 performs short- And receives the vehicle running speed information from the vehicle through the module (receiving section) 114 or the wired communication interface (receiving section). For example, when the vehicle enters the shaded area where the GPS signal is not received (for example, a room such as a department store, a large mart, an apartment, etc.), the DR sensor 403 detects OBD , Vehicle self-diagnosis) terminal.

Under the control of the controller 180, the altitude detection unit 402 detects the altitude of the vehicle in the shade area where the GPS signal is not received (for example, in a room (ground or underground) such as a department store, a large- Upon detecting the current altitude of the vehicle, it outputs the detected current altitude to the DR sensor 403.

The DR sensor 403 generates second vehicle position data based on the vehicle running speed information, the current altitude of the vehicle, and the running direction of the vehicle, and outputs the second vehicle position data to the controller 180 (S33).

The controller 180 may be configured to match the second vehicle position data with the second map data, generate the matched map information as the second route guidance information (matched map information) And outputs the guidance information to the display unit 151 and the sound output module 152 (S34). For example, the control unit 180 reads an indoor map (second map data) corresponding to the second vehicle position data from the memory 160, and outputs the read indoor map (second map data ) With the second vehicle position data, and generates the matched map information as the second route guidance information (matched map information).

If the indoor map (second map data) corresponding to the position (shaded area) where the GPS signal is not currently received is not present in the memory 160, the control unit 180 displays a movement locus And generates and stores information (second vehicle position data) (S35).

The control unit 180 transmits the moving sign information (second vehicle position data) to the server 200 (S36). The server 200 generates an indoor map reflecting the moving locus information (second vehicle position data) by mapping the moving locus information (second vehicle position data) and the indoor map. The server 200 receives the moving sign information (second vehicle position data) from a plurality of vehicles, maps the moving sign information and the indoor map, and generates the moving sign information (second vehicle position data) It is possible to provide an indoor map having a low error rate to the user.

The control unit 180 receives and stores the moving sign information or the indoor map reflecting the plurality of moving sign information from the server 200 and outputs the matching map ), Generates the matched map information as the second route guidance information (matched map information), and outputs the second route guidance information to the display unit 151 and the sound output module 152.

The control unit (180) recovers (recalculates) the second vehicle position data when entering the shaded area again, and updates the indoor map in which the moving sign information or the plurality of moving sign information is reflected, By matching the vehicle position data, the map alignment error value can be reduced.

The control unit 180 may detect and store the riding position and the getting off position of the vehicle, and may display the riding position and the getting off position on the indoor map. For example, when the shift gear of the vehicle changes from the driving position to the parking position in a specific layer of the indoor map, the control unit 180 determines that the vehicle is parked (unloaded from the occupant) in the specific floor, When the shift gear of the vehicle is changed from the parking position to the running position, it is determined that the specific layer is the riding position of the vehicle.

Therefore, the vehicle navigation apparatus and the method according to another embodiment of the present invention are configured such that when there is no indoor map corresponding to a position (shaded area) where the GPS signal is not currently received, the GPS signal is not currently received It is possible to accurately detect the current position of the vehicle on the basis of the indoor map on which the movement trajectory information of the vehicle received from the server is reflected.

As described in detail above, the vehicle navigation apparatus and the method according to the embodiments of the present invention can be applied to an indoor map corresponding to vehicle position data (shaded area) corresponding to a position where GPS signals are not received, It is possible to provide the guidance information to the user easily and quickly even in the shadow area where the GPS signal is not received.

The vehicle navigation apparatus and method according to the embodiments of the present invention can easily obtain the indoor map from the server or the external vehicle by receiving the indoor map corresponding to the position (shaded area) where the GPS signal is not currently received from the server or the external vehicle And can quickly acquire the indoor map.

The vehicle navigation apparatus and method according to the embodiments of the present invention are characterized in that when there is no indoor map corresponding to a position (shaded area) where GPS signals are not currently received, The present invention can accurately detect the current position of the vehicle on the basis of the indoor map reflecting the movement trajectory information of the vehicle received from the server.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

114: communication module 151:
152: sound output module 160: memory
180: control unit 401: GPS module
402: altitude detection unit 403:

Claims (20)

A display unit for displaying one route guidance information including first vehicle position data corresponding to the GPS signal and first map data;
A receiving unit for receiving vehicle driving related information from the vehicle;
A position detection unit for generating second vehicle position data based on the vehicle running related information and the traveling direction of the vehicle;
And a controller for generating second route guidance information based on the second vehicle position data and second map data and displaying the second route guidance information on the display unit. . The navigation system of claim 1, wherein the first map data is a navigation map, and the second map data is an indoor map. 3. The apparatus of claim 2,
And generates the second route guidance information based on the indoor map corresponding to the shade area and the second vehicle location data when the vehicle enters a shaded area in which the GPS signal is not received. A vehicle navigation device of a terminal. The apparatus of claim 3,
Wherein when the vehicle enters the shaded area, the second vehicle position data is matched with the indoor map to detect a layer that the vehicle is currently traveling from among the layers of the indoor map, And displays the vehicle navigation information. The apparatus of claim 3,
Reads out the indoor map corresponding to the shaded area from the storage unit and generates the second route guidance information based on the read indoor map and the second vehicle location data, Of the vehicle. The method of claim 3,
Further comprising an altitude detection unit for detecting a current altitude of the vehicle,
Wherein the control unit detects the current floor position of the vehicle based on the altitude of each floor set on the indoor map and the current altitude and displays the detected floor position on the indoor map Vehicle navigation device. 6. The apparatus of claim 5, wherein the control unit
And reads the indoor map corresponding to the building from the storage unit if the building exists in the shaded area. 5. The apparatus of claim 4,
When the indoor map corresponding to the shadow area is not present in the storage unit, the indoor map is received from the server or the external vehicle, and based on the received indoor map and the second vehicle position data, Wherein the vehicle navigation apparatus generates information on the basis of the vehicle navigation information. 5. The apparatus of claim 4,
Transmitting the second vehicle position data to the server when the indoor map corresponding to the shadow area is not present in the storage unit and receiving the indoor map reflecting the second vehicle position data from the server, And generates the second route guidance information based on the indoor map and the second vehicle location data. 5. The apparatus of claim 4,
Wherein the control unit detects and stores the riding position and the getting off position of the vehicle among the layers of the indoor map, and displays the riding position and the getting off position on the indoor map. Displaying one piece of route guidance information including first vehicle position data corresponding to a GPS signal and first map data on a display unit;
Receiving vehicle driving related information from the vehicle;
Generating second vehicle position data based on the vehicle driving related information and the traveling direction of the vehicle;
Generating second guidance information based on the second vehicle position data and second map data, and displaying the second guidance information on the display unit. . 12. The method of claim 11, wherein the first map data is a navigation map, and the second map data is an indoor map. 13. The method of claim 12, wherein generating the second route guidance information comprises:
And generating the second route guidance information based on the indoor map corresponding to the shade area and the second vehicle location data when the vehicle enters the shade area where the GPS signal is not received A vehicle navigation method for a mobile communication terminal. 14. The method of claim 13,
Detecting, when the vehicle enters the shaded area, a layer on which the vehicle is currently traveling among the respective layers of the indoor map by matching the second vehicle position data with the indoor map;
Further comprising the step of displaying the detected layer on the indoor map. 14. The method of claim 13, wherein generating the second route guidance information comprises:
Reading the indoor map corresponding to the shadow area from the storage unit;
And generating the second route guidance information based on the read indoor map and the second vehicle location data. 14. The method of claim 13,
Detecting a current altitude of the vehicle;
Detecting a current floor position of the vehicle based on the altitude of each floor set in the indoor map and the current altitude;
And displaying the detected layer position on the indoor map. The method of claim 1, further comprising displaying the detected floor position on the indoor map. 16. The method as claimed in claim 15, wherein reading the indoor map from the storage unit comprises:
And reading the indoor map corresponding to the building from the storage unit if the building exists in the shade area. 15. The method of claim 14, wherein generating the second route guidance information comprises:
Receiving the indoor map from a server or an external vehicle when the indoor map corresponding to the shaded area is not present in the storage;
Further comprising generating the second route guidance information based on the received indoor map and the second vehicle location data. ≪ RTI ID = 0.0 > 8. < / RTI > 15. The method of claim 14, wherein generating the second route guidance information comprises:
Transmitting the second vehicle location data to the server when the indoor map corresponding to the shadow area is not present in the storage;
Receiving an indoor map reflecting the second vehicle position data from the server;
Further comprising generating the second route guidance information based on the received indoor map and the second vehicle location data. ≪ RTI ID = 0.0 > 8. < / RTI > 15. The method of claim 14,
Detecting and storing the riding position and the getting off position of the vehicle among the layers of the indoor map;
Further comprising the step of displaying the riding position and the getting off position on the indoor map.

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