KR20150077717A - WAVE communication providing system and method for external device - Google Patents

WAVE communication providing system and method for external device Download PDF

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Publication number
KR20150077717A
KR20150077717A KR1020130166479A KR20130166479A KR20150077717A KR 20150077717 A KR20150077717 A KR 20150077717A KR 1020130166479 A KR1020130166479 A KR 1020130166479A KR 20130166479 A KR20130166479 A KR 20130166479A KR 20150077717 A KR20150077717 A KR 20150077717A
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KR
South Korea
Prior art keywords
external device
vehicle terminal
event
information
wsm
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KR1020130166479A
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Korean (ko)
Inventor
임기택
신대교
정한균
윤상훈
이세연
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전자부품연구원
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Priority to KR1020130166479A priority Critical patent/KR20150077717A/en
Publication of KR20150077717A publication Critical patent/KR20150077717A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2625—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using common wave

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

The present invention relates to a system and method for providing a vehicle wireless communication to an external device, and upon receiving an initial connection request message from an external device and an external device receiving the WSM through a communication connection, When a WSM (WAVE Short Message) service registration request message including a PSID (Provider Service IDentifier) is received from an external device, the PSID is internally stored and a WSM service registration request response message is transmitted to an external device And receives a WSM frame corresponding to the PSID from another vehicle terminal or a roadside base station using WAVE (Wireless Access in Vehicular Environments), and transmits the WSM frame to an external device. The vehicle terminal includes a WAVE communication function The in-vehicle wireless communication function can be used through various devices not mounted.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle communication system,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a communication technology using a terminal mounted on a vehicle, and more particularly to an external device And more particularly, to a system and method for providing wireless communication for vehicles.

In addition to the explosive increase in the number of vehicles, traffic congestion is intensifying. It is required to provide information on the traffic situation of each road so that the vehicle operator can use the relatively smooth road, and the intelligent transport system (ITS) Transportation systems) are being accelerated.

Such an ITS is equipped with on-board equipment (OBE) in a vehicle running on the road and wireless communication with road side equipment (RSE) located on the road using WAVE (Wireless Access in Vehicular Environment) Receives various information including traffic information, and provides a service for the user to recognize the information.

WAVE is a technology that enables wireless communication between vehicle terminals in an ITS environment or enables wireless communication between infrastructure facilities such as a vehicle terminal and a roadside base station, and enables wireless data to be transmitted and received even in a high-speed mobile environment.

However, devices equipped with the WAVE communication function itself are extremely rare, and it is also difficult to mount a WAVE communication function in a separate user device that is fused with a vehicle, and a method for providing WAVE communication services to various user devices is required.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide an apparatus and a method for connecting an external device not equipped with a WAVE communication function to a vehicle terminal performing WAVE communication, And to provide a system and method for providing vehicle wireless communication to a device.

In order to achieve the above object, the present invention provides an automotive wireless communication providing system for an automotive vehicle, comprising: an external device for receiving a WSM through a communication connection; and an initial connection requesting module for receiving an initial connection request message from the external device, (WAVE Short Message) service registration request message including a PSID (Provider Service IDentifier) from the external device by transmitting an access request response message to the external device, storing the PSID therein, Transmits a WSM service registration request response message to an external device, and when receiving a WSM frame corresponding to the PSID from another vehicle terminal or a roadside base station using WAVE (Wireless Access in Vehicular Environments), the message is transmitted to the external device And a vehicle terminal to which the vehicle terminal is connected.

In the present invention, the initial connection request message includes UDP port number information of the external device, and the vehicle terminal communicates with the external device using the UDP port number information , Relaying WSM transmission / reception between the external device and another vehicle terminal, or relaying WSM transmission / reception between the external device and the roadside base station.

The initial connection request message may further include IP address information of the external device. The vehicle terminal may communicate with the external device using the IP address information, Relaying IP packet transmission / reception between the external device and another vehicle terminal, or relaying IP packet transmission / reception between the external device and the roadside base station.

The vehicle terminal receives the management information check request message from the external device and transmits a management information check request response message including the management information, Information on at least one of a supported communication channel number, supported communication power information, a supported data transmission rate, a currently set communication channel number, a currently set communication power information, a currently set data transmission rate, and a maximum length information of a supported WSM frame .

In the system for providing a wireless communication for a vehicle to an external apparatus of the present invention, the vehicle terminal performs a registration procedure for notification of an event occurrence by receiving an event registration request message from the external apparatus, And transmits an event notification message including the event information to the external device when the event is generated, and the event is an event in which the vehicle terminal receives a WAVE (WAVE Service Adversisement) from the roadside base station, And the event information transmitted from the vehicle terminal to the external device includes MAC (Media Access Control) address information of a roadside base station corresponding to the event.

According to another aspect of the present invention, there is provided a method for providing a vehicle wireless communication to an external device, the method comprising: receiving an initial connection request message from an external device; When the vehicle terminal receives the WSM service registration request message including the PSID from the external device, stores the PSID therein and transmits a WSM service registration request response message to the external device And a transmission step of, when the vehicle terminal receives the WSM corresponding to the PSID from another vehicle terminal or a roadside base station using the WAVE, transmitting the WSM to the external device.

The method may further include receiving a management information check request message from the external device and transmitting a management information check request response message including management information to the vehicle terminal, The management information transmitted by the vehicle terminal may include at least one of a supported communication channel number, supported communication power information, a supported data transmission rate, a currently set communication channel number, Information on at least one of a set communication power information, a currently set data transmission speed, and a maximum length information of a supporting WSM frame.

In the method for providing a vehicle wireless communication to an external device of the present invention, the vehicle terminal receives an event registration request message from the external device, performs a registration procedure for notification of an event occurrence, and transmits an event registration request response message And transmitting an event notification message including the event information to the external device when the event is generated, wherein in the transmitting of the event notification message, the event is generated by the vehicle terminal from the roadside base station Wherein the event information transmitted by the vehicle terminal to the external device includes at least one of Media Access (MAC) information of the roadside base station corresponding to the event, Control address information.

According to the system and method for providing a vehicle wireless communication to an external apparatus of the present invention, a vehicle wireless communication function can be utilized through various apparatuses not equipped with a WAVE communication function.

1 is a diagram illustrating a wireless communication providing system according to an embodiment of the present invention.
2 is a diagram illustrating a method of providing wireless communication according to an embodiment of the present invention.
3 is a diagram illustrating a method of providing wireless communication according to another embodiment of the present invention.

In the following description, only parts necessary for understanding the embodiments of the present invention will be described, and the description of other parts will be omitted so as not to obscure the gist of the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor is not limited to the meaning of the terms in order to describe his invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.

The present invention relates to a wireless communication technique using a vehicle terminal mounted on a vehicle running on a road. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a wireless communication providing system according to an embodiment of the present invention. 1, the vehicle 1 is running on the road 3, the external device 10 and the vehicle terminal 20 are located on the vehicle 1, and the vehicle 2 is provided with the vehicle terminal 30 And a roadside base station 40 is located on the road 3 side.

At this time, the external device 10 and the vehicle terminal 20 perform wire / wireless communication, and wireless communication is performed between the vehicle terminal 20, the other vehicle terminal 30 and the roadside base station 40 using WAVE.

The wireless communication providing system of the present embodiment is configured to include the external device 10, the vehicle terminal 20, the other vehicle terminal 30, and the roadside base station 40.

The external device 10 is not equipped with a WAVE communication function but may be a device capable of performing wired or wireless communication with the vehicle terminal 20 located in the vehicle 1 on which the vehicle terminal 20 is mounted and may be a smart phone, A black box, a tablet, a notebook, and the like. At this time, the external device 10 can communicate with the vehicle terminal 20 using Ethernet / Wi-Fi (Wireless Fidelity) or UDP (User Datagram Protocol).

The vehicle terminal 20 and the other vehicle terminal 30 are a type of OBE (On Board Equipment) mounted on each of the vehicles 1 and 2 and receive related data according to an information service provided by the roadside base station 40 And activates the corresponding service to output various information. The information that the vehicle terminal 20 or 30 activates and outputs the service may be various information such as surrounding information, a gas station, a rest stop, a car repair shop, and weather, in addition to traffic related information.

The vehicle terminals 20 and 30 can be mounted on each of the vehicles 1 and 2 running on the road 3 and can communicate wirelessly with the roadside base station 40 or between the vehicle terminals 20 and 30 , And a communication interface for this purpose.

At this time, the vehicle terminal 20 can perform wireless communication with the other vehicle terminal 30 or the roadside base station 40 using WAVE (Wireless Access in Vehicular Environments). The WAVE enables wireless communication between the vehicle terminal 20, the other vehicle terminal 30 and the roadside base station 40 in an environment in which a change in the position of the communication terminal is significant and information can be exchanged in a short period of time.

On the other hand, the vehicle terminal 20 of this embodiment communicates with the external device 10 mounted on the vehicle 1 and transmits / receives data using Ethernet / Wi-Fi or UDP. In this case, the external device 10 can receive the WAVE communication service via the vehicle terminal 20 equipped with the WAVE communication function.

The roadside base station 40 is connected to an ITS (Intelligent Transport System) located within a certain distance from the road 3 so as to enable wireless communication with the vehicle terminals 20 and 30 mounted on the vehicles 1 and 2 running on the road 3, System) It is a kind of RSE (Road Side Equipment) as a base station. ITS (Intelligent Transport System) is an intelligent transportation system that collectively provides traffic information by applying information and communication technology to effectively cope with traffic problems such as traffic jam. It is possible to provide various information to the vehicle terminals 20 and 30.

The roadside base station 40 provides a service for delivering various kinds of information including traffic information to the vehicle terminal 20 mounted on the vehicle 1 according to service information provided internally or service information provided by an external information server or the like do. To this end, the roadside base station 40 has a communication interface for wireless communication with the vehicle terminal 20.

In this embodiment, the external device 10 sends an initial connection request message to the vehicle terminal 20 to request a wireless communication connection. At this time, the vehicle terminal 20 can open an UDP port of a specific number and receive an initial connection request message transmitted by the external device 10. [ In this case, the external device 10 transmits its own UDP communication port number to the vehicle terminal 20.

The vehicle terminal 20 having received the initial connection request message transmits an initial connection request response message to the external device 10 so that the external device 10 can establish a wireless communication connection with the vehicle terminal 20. At this time, the vehicle terminal 20 internally stores the UDP communication port number received from the external device 10 and utilizes it for wireless communication with the external device 10. If the external device 10 fails to receive the initial connection request response message from the vehicle terminal 20, the external device 10 repeatedly transmits the initial connection request message to the vehicle terminal 20 to transmit the wireless communication connection You can try again.

When a wireless communication connection is established between the external device 10 and the vehicle terminal 20, the external device 10 transmits a WSM service registration request message to the vehicle terminal 20. The WSM service registration request message is for receiving a WSM frame transmitted by a service application related to a specific PSID (Provider Service IDentifier). The WSM service registration request message includes PSID information of a WSM frame that the external device 10 desires to receive via the vehicle terminal 20 .

The vehicle terminal 20 internally stores the PSID received from the external device 10 and transmits a WSM service registration request response message to the external device 10 to transmit the WSM service request response message to the external device 10, And notifies that the provided service is registered.

When the vehicle terminal 20 receives the WSM from the other vehicle terminal 30 or the roadside base station 40 using the WAVE, it checks whether the PSID of the specific WSM frame matches the PSID received from the external device 10 and stored do. If it is determined that the PSIDs match, the vehicle terminal 20 transmits the WSM frame to the external device 10 using the previously stored UDP port number information since the external device 10 requests the WSM frame.

When the vehicle terminal 20 receives the WSM from the external device 10, the vehicle terminal 20 transmits the WSM to the other vehicle terminal 30 or the roadside base station 40 using the WAVE and is transmitted to the corresponding service application. In this manner, the vehicle terminal 20 can relay the WSM transmission / reception between the external device 10 and the other vehicle terminal 30, or relay the WSM transmission / reception between the external device 10 and the roadside base station 40.

In addition, the vehicle terminal 20 can receive the IP address information of the external device 10 when receiving the initial connection request message from the external device 10. The vehicle terminal 20 transmits the IP packet from the external device 10 to the other vehicle terminal 30 or the roadside base station 40 or the IP packet from the other vehicle terminal 30 or the roadside base station 40 To the external device 10 to relay the IP packet transmission / reception between the external device 10 and the other vehicle terminal 30 or to relay the IP packet transmission / reception between the external device 10 and the roadside base station 40 .

Meanwhile, the external device 10 of the present invention can transmit a management information confirmation request message for requesting management information related to a communication channel, power, data transmission speed, and the like to the vehicle terminal 20, The external device 10 can transmit a management information confirmation request response message containing the management information.

The management information transmitted by the vehicle terminal 20 to the external device 10 includes, for example, a communication channel number supported by the vehicle terminal 20, supported communication power information, a supported data transmission rate, The currently set communication power information, the currently set data transmission rate, the maximum length information of the supporting WSM frame, and the like.

The external device 10 having received the management information refers to the communication channel number supported by the vehicle terminal 20, the communication power information to be supported, the data transmission rate to be supported, Communication power information, and the currently set data transmission speed.

In addition, the external device 10 of the present invention may send an event registration request message to the vehicle terminal 20 to request notification of an event occurrence. At this time, the vehicle terminal 20 performs an internal registration procedure for notification of occurrence of an event, and transmits an event registration request response message to the external device 10 to notify that the event has been registered.

The event at this time may be that the vehicle terminal 20 receives WAVE (WAVE Service Adverting) from the roadside base station 40 or that the vehicle terminal 20 newly connects to the roadside base station 40, and so on. The WSA is an information packet used for guiding the kinds of services that can be provided by the roadside base station 40. The WSA may be configured to allow the external device 10 to confirm the WSA when the vehicle terminal 20 receives the WSA from the roadside base station 40 It is for this reason. In addition, when the vehicle terminal 20 is newly connected to the roadside base station 40, the transmission path of the data is changed due to a handover or the like, so that the external device 10 is notified of this change.

When the corresponding event occurs after the vehicle terminal 20 registers the event, the vehicle terminal 20 transmits an event notification message including the event information to the external device 10. [ At this time, the event information included in the event notification message includes MAC (Media Access Control) address information of the roadside base station 40 that transmitted the WSA or MAC address information of the roadside base station 40 newly connected to the vehicle terminal 20 do.

The process of providing vehicle wireless communication to an external device according to the present invention will be described with reference to FIG. 2 and FIG.

2 is a diagram illustrating a method of providing wireless communication according to an embodiment of the present invention.

Referring to FIG. 2, the external device 10 transmits an initial connection request message to the vehicle terminal 20 to request a wireless communication connection (S1).

In step S1, the external device 10 transmits its UDP communication port number to the vehicle terminal 20, and the vehicle terminal 20 internally stores the UDP communication port number received from the external device 10 And is utilized for wireless communication with the external device 10.

In step S1, the vehicle terminal 20 can receive an initial connection request message transmitted by the external device 10 by opening a specific number of UDP ports.

The vehicle terminal 20 having received the initial connection request message in step S2 transmits an initial connection request response message to the external device 10 so that the external device 10 can communicate with the vehicle terminal 20 via the wireless communication connection (S2).

If the external device 10 fails to receive the initial connection request response message from the vehicle terminal 20 in step S2, the external device 10 transmits an initial connection request to the vehicle terminal 20 The wireless communication connection can be retried by repeating the message transmission process.

When a wireless communication connection is established between the external device 10 and the vehicle terminal 20 through steps S1 and S2, the external device 10 transmits a WSM service registration request message to the vehicle terminal 20 (S3) .

In step S3, the WSM service registration request message transmitted by the external device 10 is for receiving a WSM frame transmitted by a service application related to a specific PSID. The external device 10 transmits the WSM frame through the vehicle terminal 20 And PSID information of the WSM frame to be received.

The vehicle terminal 20 having received the WSM service registration request message from the external device 10 in step S3 stores the PSID corresponding to the request in step S4 and sends the WSM service registration request to the external device 10 Response message to notify that the WSM providing service corresponding to the PSID requested by the external device 10 is registered (S5).

Meanwhile, the external device 10 of the present invention can transmit a management information confirmation request message for requesting management information related to a communication channel, power, data transmission rate, etc. to the vehicle terminal 20 (S6) 20 may transmit a management information check request response message containing the corresponding management information to the external device 10 (S7).

The management information transmitted from the vehicle terminal 20 to the external device 10 in step S7 includes, for example, the communication channel number supported by the vehicle terminal 20, the communication power information supported, the data transmission rate supported, The set communication channel number, the currently set communication power information, the currently set data transmission rate, the maximum length information of the supporting WSM frame, and the like.

The external device 10 having received the management information refers to the communication channel number supported by the vehicle terminal 20, the communication power information to be supported, the data transmission rate to be supported, Communication power information, currently set data transmission speed, and the like (S8).

The management information confirmation and setting process of steps S6 to S9 may be performed at any time until the connection is released after the connection between the external device 10 and the vehicle terminal 20 is made in steps S1 and S2.

When registration of the WSM service is performed in the steps S3 to S5, the vehicle terminal 20 repeats the WSM transmission / reception between the external device 10 and the other vehicle terminal 30, or the external device 10 and the roadside base station 40) (S9, S10).

That is, when the vehicle terminal 20 receives the WSM from the other vehicle terminal 30 or the roadside base station 40 using WAVE, the PSID of the specific WSM frame is received from the external device 10 and stored in step S4 Verify that it matches one PSID. If it is determined that the PSIDs match, the vehicle terminal 20 transmits the WSM frame to the external device 10 using the previously stored UDP port number information since the external device 10 requests the WSM frame.

When the vehicle terminal 20 receives the WSM from the external device 10, the vehicle terminal 20 transmits the WSM to the other vehicle terminal 30 or the roadside base station 40 using the WAVE and is transmitted to the corresponding service application.

In addition, the vehicle terminal 20 can receive the IP address information of the external device 10 when receiving the initial connection request message from the external device 10 in step S1. The vehicle terminal 20 transmits the IP packet from the external device 10 to the other vehicle terminal 30 or the roadside base station 40 or the IP packet from the other vehicle terminal 30 or the roadside base station 40 To the external device 10 to relay the IP packet transmission / reception between the external device 10 and the other vehicle terminal 30 or to relay the IP packet transmission / reception between the external device 10 and the roadside base station 40 (S11, S12).

Thereafter, when it is no longer necessary for the external device 10 to communicate with the vehicle terminal 20, the external device 10 transmits a WSM service release request message to the vehicle terminal 20 (S13) The control unit 20 transmits a WSM service release request response message to the external device 10 to release the connection between the external device 10 and the vehicle terminal 20 (S14).

3 is a diagram illustrating a method of providing wireless communication according to another embodiment of the present invention.

Referring to FIG. 3, steps S21 to S25 in FIG. 3 are similar to steps S1 to S5 described with reference to FIG. 2, and therefore, detailed description thereof will be omitted.

The external device 10 of the present embodiment sends an event registration request message to the vehicle terminal 20 to request notification of occurrence of an event to the vehicle terminal 20 at step S26, (S27), and transmits an event registration request response message to the external device 10 to notify that the event has been registered (S28).

The event registered in step S27 may be an event that the vehicle terminal 20 receives the WSA from the roadside base station 50 or the vehicle terminal 20 newly connects to the roadside base station 50 . The WSA is an information packet used for guiding the types of services that can be provided by the roadside base station 50 so that the external device 10 can confirm the WSA when the vehicle terminal 20 receives the WSA from the roadside base station 50 And registers the event. In addition, when the vehicle terminal 20 newly connects to the roadside base station 50, the data transmission path is changed due to a handover or the like, and therefore, an event is registered to inform the external device 10 of the transmission path.

Thereafter, when a registered event occurs in step S27 (S29), the vehicle terminal 20 transmits an event notification message including event information to the external device 10 (S30).

The event information included in the event notification message in step S30 includes the MAC address information of the roadside base station 50 that has transmitted the WSA or the MAC address information of the roadside base station 50 newly connected to the vehicle terminal 20 .

The event registration and notification process in steps S26 to S30 may be performed any time after the connection between the external device 10 and the vehicle terminal 20 is made in steps S21 and S22.

When the WSM service is registered in steps S23 to S25, the vehicle terminal 20 relays the WSM transmission / reception between the external device 10 and the roadside base station 50 (S31, S32).

The vehicle terminal 20 receives the IP address information of the external device 10 at the time of receiving the initial connection request message from the external device 10 in step S21 and then transmits the IP packet from the external device 10 To the roadside base station 50 or to relay the IP packet transmission / reception between the external device 10 and the roadside base station 50 by transmitting the IP packet from the roadside base station 50 to the external device 10 (S33 , S34).

The external device 10 transmits a WSM service release request message to the vehicle terminal 20 in step S35 and then transmits a WSM service release request message to the vehicle terminal 20, The control unit 20 transmits a WSM service release request response message to the external device 10 to release the connection between the external device 10 and the vehicle terminal 20 (S36).

A method for providing a vehicle wireless communication to an external device 10 according to an embodiment of the present invention may be implemented in a form of a program readable by various computer means and recorded in a computer-readable recording medium.

It should be noted that the embodiments disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein. Furthermore, although specific terms are used in this specification and the drawings, they are used in a generic sense only to facilitate the description of the invention and to facilitate understanding of the invention, and are not intended to limit the scope of the invention.

1, 2: vehicle 3: road
10: external device 20, 30: vehicle terminal
40, 50: the roadside base station

Claims (8)

An external device receiving the WSM via a communication connection; And
(WAVE Short Message) including a PSID (Provider Service IDentifier) from the external device by transmitting an initial connection request response message to the external device upon receiving an initial connection request message from the external device, Upon receipt of the service registration request message, the PSID is internally stored, the WSM service registration request response message is transmitted to the external device, and the PSID is transmitted from another vehicle terminal or the roadside base station using WAVE (Wireless Access in Vehicular Environments) And transmits the received WSM frame to the external device when receiving the corresponding WSM frame.
And a second wireless communication unit that wirelessly communicates with the external device. The method according to claim 1,
Wherein the initial connection request message includes UDP port number information of the external device,
Wherein the vehicle terminal communicates with the external device using the UDP port number information to relay the WSM transmission / reception between the external device and another vehicle terminal, or relays the WSM transmission / reception between the external device and the roadside base station To a vehicle. 3. The method of claim 2,
Wherein the initial connection request message further includes IP address information of the external device,
Wherein the vehicle terminal relays IP packet transmission / reception between the external device and another vehicle terminal by communicating with the external device using the IP address information, and relays IP packet transmission / reception between the external device and the roadside base station A system for providing wireless communication for a vehicle to an apparatus. The method according to claim 1,
The vehicle terminal receives a management information check request message from the external device and transmits a management information check request response message including management information,
The management information includes at least one of a supported communication channel number, supported communication power information, a supported data transmission rate, a currently set communication channel number, currently set communication power information, a currently set data transmission rate, And the information includes one piece of information. The method according to claim 1,
Wherein the vehicle terminal receives an event registration request message from the external device, performs a registration procedure for notification of occurrence of an event, transmits an event registration request response message to the external device, and transmits the event information to the external device Send an event notification message including,
The event may be one in which the vehicle terminal receives a WAVE (WAVE Service Adversisement) from the roadside base station, or the vehicle terminal newly connects to the roadside base station,
Wherein the event information transmitted by the vehicle terminal to the external device includes MAC (Media Access Control) address information of a roadside base station corresponding to the event. A connection step of transmitting an initial connection request response message to the external device when the vehicle terminal receives the initial connection request message from the external device, thereby allowing the external device to establish a communication connection;
A registration step of storing the PSID in the vehicle terminal and transmitting a WSM service registration request response message to the external device when the vehicle terminal receives the WSM service registration request message including the PSID from the external device; And
When the vehicle terminal receives the WSM corresponding to the PSID from the other vehicle terminal or the roadside base station using the WAVE, the transmission step;
And transmitting the wireless communication information to the external device. The method according to claim 6,
Receiving a management information check request message from the external device and transmitting a management information check request response message including management information;
Further comprising:
In the step of transmitting the management information confirmation request response message, the management information transmitted by the vehicle terminal includes at least one of a supported communication channel number, supported communication power information, a supported data transmission rate, a currently set communication channel number, The communication power information, the currently set data transmission rate, and the maximum length information of the WSM frame to be supported. The method according to claim 6,
Receiving the event registration request message from the external device, performing a registration procedure for notification of an event occurrence, and transmitting an event registration request response message to the external device; And
Transmitting an event notification message including the event information to the external device when the event occurs;
Further comprising:
In the step of transmitting the event notification message, the event may be one in which the vehicle terminal receives a WAVE (WAVE Service Adversisement) from the roadside base station, or the vehicle terminal newly connects to the roadside base station,
Wherein the event information transmitted by the vehicle terminal to the external device includes media access control (MAC) address information of a roadside base station corresponding to the event.
KR1020130166479A 2013-12-30 2013-12-30 WAVE communication providing system and method for external device KR20150077717A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210010220A (en) * 2019-07-19 2021-01-27 에스케이텔레콤 주식회사 Intelligent transport server and communication method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210010220A (en) * 2019-07-19 2021-01-27 에스케이텔레콤 주식회사 Intelligent transport server and communication method thereof

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