KR100701009B1 - System and Method for Wireless Road-Side Equipment using Dedicated Short Range Communication based on Ad-hoc - Google Patents

Abstract

A wireless relay system using ad hoc-based DSRC(Dedicated Short Range Communication) and a method thereof are provided to allow only one wireless relay base station to connect with a service server on the Internet through a wire, while other wireless relay base stations wirelessly connect with a wired network connection wireless relay base station by using ad hoc-based multi-hop communication technology, thereby easily installing, operating, and maintaining DSRC base stations. A communication link decider decides on a communication link type of received data by analyzing the data received from the outside(500). If the received data is downlink data, a wireless communication controller confirms a destination base station ID of the received data(506), and decides whether the destination base station ID is a self ID(508). If so, the wireless communication controller transmits the downlink data to a vehicle-mounted terminal by using DSRC(512).

Description

System and Method for Wireless Road-Side Equipment using Dedicated Short Range Communication based on Ad-hoc}

1A is a configuration diagram of a relay system using a short distance dedicated communication based on a conventional wired network;

1B is a configuration diagram of a DSRC relay base station in a relay system using a short-range dedicated communication based on a conventional wired network;

2 is a configuration diagram of an embodiment of a wireless relay system using an ad hoc short-range dedicated communication according to the present invention;

3 is a detailed configuration diagram of an embodiment of a wired network connection wireless relay base station of FIG. 2 according to the present invention;

4 is a detailed configuration diagram of an embodiment of a wireless relay base station of FIG. 2 according to the present invention;

5 is a flowchart illustrating an embodiment of a wireless relay method applied to a wireless relay base station of a wireless relay system using ad hoc short-range dedicated communication according to the present invention;

FIG. 6 is a flowchart illustrating an embodiment of a wireless relay method applied to a wired network connected wireless relay base station of a wireless relay system using ad hoc short-range dedicated communication.

* Explanation of symbols on the main parts of the drawing

21: DSRC gateway 22, 24: radio relay station

23: wired network connection wireless relay base station 25, 26, 27: vehicle-mounted terminal

301, 401: short-range wireless communication unit 302, 401: relay base station wireless communication unit

303, 403: wireless communication control unit 304: wired network interface unit

305 and 404: memory unit 306 and 405: communication link determination unit

The present invention relates to a wireless relay system and a method using the ad hoc short-range dedicated communication, more specifically, DSRC wireless relay base station to the existing DSRC relay system that all the dedicated Short Range Communication (DSRC) base stations are connected by wire By introducing the concept, only one radio relay station (wired network relay station) is wired to a service server on the Internet (for example, an ITS (Intelligent Transport System) service center) and the other radio relay stations are ad-hoc. Ad hoc short-range dedicated communication that facilitates installation, operation and maintenance of DSRC base stations and effectively connects wired and wireless communications by connecting to a wired network relay station using a hoc-based multi-hop communication technology. The present invention relates to a wireless relay system and a method thereof.

Figure 1a is a configuration diagram of a relay system using a conventional short-range dedicated communication based on wired network, Figure 1b is a configuration diagram of a DSRC relay base station in a relay system using a conventional short-range dedicated communication based on a wired network.

As shown in FIG. 1A, in a relay technology using short-range dedicated communication based on a conventional wired network, data is exchanged between a DSRC base station 12, 13, and 14 and a dedicated short range communication (DSRC) gateway 11 through a wired communication network. And, between the DSRC base station (12, 13, 14) and the vehicle-mounted terminal using a short-range dedicated communication based on a wired network for relaying traffic information using a short-range dedicated communication in a one-to-one correspondence, respectively, which is the DSRC gateway 11 and DSRC base stations (12, 13, 14) connected through a wired communication network are continuously installed at designated locations to enable communication between vehicle-mounted terminals and the ITS center, and ITS (Intelligent) for each DSRC base station (12, 13, 14). By establishing a communication link that supports a wired network connection such as ADSL for connecting to a transport system center, each vehicle-mounted terminal 15, 16, 17 can easily provide ITS service. It is to get the ball. Hereinafter, each component will be described.

The short-range dedicated communication (DSRC) base station 12 transmits traffic information received from the vehicle-mounted terminal 15 through the short-range dedicated wireless communication to the DSRC gateway 11 and transmits the received data to another base station such as ADSL. It establishes a communication link supporting wired network connection to perform a wired network communication with the DSRC gateway 11.

The DSRC gateway 11 maintains a connection with a traffic information server such as an ITS center for the traffic information service of the DSRC base station 12 through a wired network.

The vehicle-mounted terminal 15 exchanges traffic information with the DSRC gateway 11 through the DSRC base station 12 using short-range dedicated wireless communication.

As shown in FIG. 1B, the DSRC base station 12 includes a short range wireless communication unit 121 for short-range dedicated wireless communication (DSRC), a radio control unit 122 for performing a communication between a DSRC base station function, and a DSRC base station, and a DSRC. It includes a wired network interface unit 123 for connecting to the gateway by wire, and a memory unit 124 for operating the system.

However, in the conventional relay network using the short-range dedicated communication based on the wired network, since the connection between the roadside DSRC base station and the Internet communication network is limited to the wired communication network, there is a limitation in the installation and location movement of the base station and the use of the wired communication network. There was a problem in that continuous expenses such as network installation cost, communication fee, and maintenance cost were incurred.

Meanwhile, the conventional roadside short-range wireless relay technology includes a short-range wireless relay technology using one short-range radio frequency channel, which continuously transmits up / down data to a neighboring wireless relay device through a plurality of wireless relay devices. By transmitting the traffic status information to the wireless communication terminal device installed in the mobile vehicle passing through the area, it is not necessary to excavate the road when constructing the roadside communication network, thus reducing the cost of road excavation and wireline track and inconvenience of passengers due to construction. Can reduce the cost and the inconvenience of road traffic. However, this conventional technology has a problem in that the communication capacity of the data used for the communication between the base stations is reduced and the network configuration between the base stations is difficult, so that up / down data cannot be transmitted.

The present invention has been proposed to solve the above problems, by introducing the DSRC radio relay base station concept to the existing DSRC relay system that all DSRC base stations are connected by wire, only one radio relay base station (wired network connection radio relay base station) By wired connection to a service server (e.g., ITS service center) on the Internet, and other wireless relay stations connected wirelessly to a wired network relay station using ad hoc multi-hop communication technology. It is an object of the present invention to provide a wireless relay system and method using ad hoc short-range dedicated communication that facilitates installation, operation and maintenance of DSRC base stations, and effectively connects wired and wireless communication.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. It will also be appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

The present invention for achieving the above object, in a wired network connection wireless relay base station in a wireless relay system using the ad hoc short-range dedicated communication, the user terminal and wireless by using a dedicated short range communication (DSRC) Short-range wireless communication means for transmitting and receiving data; Relay base station wireless communication means for transmitting and receiving wireless data with a wireless relay base station using an ad-hoc based multi-hop wireless communication; Wired network interface means for transmitting and receiving data with the DSRC gateway using wired communication; Communication link determination means for determining a communication link type of the received data by analyzing data received from the outside through the short range wireless communication means, the relay base station wireless communication means, or a wired network interface means; And uplink data is transmitted to the DSRC gateway through the wired network interface means, and downlink data corresponds to a target base station ID through the relay base station wireless communication means according to the communication link type determined by the communication link determining means. And a wireless communication control means for transmitting to a wireless relay base station and transmitting to the corresponding user terminal through the short range wireless communication means when the target base station ID corresponds to its own ID.

On the other hand, the present invention, in the wireless relay base station of the wireless relay system using the ad hoc short-range dedicated communication, short-range wireless communication means for transmitting and receiving wireless data with the user terminal using short-range dedicated communication (DSRC); A relay base station wireless communication means for transmitting and receiving wireless data with a wired network connection wireless relay base station or another wireless relay base station using an ad-hoc-based multi-hop wireless communication; Communication link determination means for determining a communication link type of the received data by analyzing data received from the outside through the short range wireless communication means or the relay base station wireless communication means; And according to the communication link type determined by the communication link determining means, uplink data is transmitted to the wired network connection wireless relay base station through the relay base station wireless communication means, and downlink data is transmitted through the relay base station wireless communication means. And transmitting the wireless communication base station corresponding to the base station ID to the user terminal through the short-range wireless communication unit when the target base station ID corresponds to its own ID.

On the other hand, the present invention, in the wireless relay method applied to the wired network connection wireless relay base station of the wireless relay system using the ad hoc short-range dedicated communication, by analyzing the data received from the outside to determine the communication link type of the received data Determining a communication link type; An uplink transmission step of transmitting to the DSRC gateway using wired communication if the received data is uplink data as a result of the determination in the communication link determination step; A target base station ID confirming step of confirming a target base station ID of the received data if the received data is downlink data as a result of the determination in the communication link determining step; And transmitting the downlink data to the radio relay base station corresponding to the target base station ID by using an ad-hoc-based multi-hop wireless communication according to the result of the checking at the target base station ID step. However, if the destination base station ID corresponds to its own ID, a downlink transmission step of transmitting to the corresponding user terminal using short-range dedicated communication.

On the other hand, the present invention, in the radio relay method applied to the radio relay base station of the radio relay system using the ad hoc short-range dedicated communication, the communication to determine the communication link type of the received data by analyzing the data received from the outside Link determination step; As a result of the determination in the communication link determination step, if the received data is uplink data, an uplink transmission step of transmitting to a wired network connection wireless relay base station using Ad-hoc-based multi-hop wireless communication ; A target base station ID confirming step of confirming a target base station ID of the received data if the received data is downlink data as a result of the determination in the communication link determining step; The downlink data is transmitted to a wireless relay base station corresponding to the target base station ID using an ad-hoc-based multi-hop wireless communication according to the result of the identification of the target base station ID step. If the target base station ID corresponds to its own ID, a downlink transmission step of transmitting to the corresponding user terminal using short-range dedicated communication.

The present invention is to facilitate the installation operation and maintenance of the DSRC base station and to effectively connect the wired and wireless communication.

To this end, the DSRC radio relay base station concept is introduced to a conventional DSRC relay system in which all dedicated short range communication (DSRC) base stations are connected by wire, so that only one radio relay base station (wired network connection radio relay base station) can be used on the Internet. Installation of a DSRC base station by wired connection to a server (e.g., an Intelligent Transport System (ITS) service center) and other wireless relay stations connected wirelessly to a wired network relay station using multi-hop Ad-hoc communication technology. To facilitate operation and maintenance, and to effectively connect wired and wireless communication.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a diagram illustrating an embodiment of a wireless relay system using ad hoc short-range dedicated communication according to the present invention.

As shown in FIG. 2, the wireless relay system using the ad hoc short-range dedicated communication includes a wireless relay base station 22 and a wired network connection wireless relay base station 23. Hereinafter, each component will be described.

First, the DSRC gateway 21 connects to a server such as an ITS center and transmits data. That is, the DSRC gateway 21 transmits the uplink data transmitted from the vehicle-mounted terminals 25, 26, 27 to the wired network connection wireless relay base station 23 using ad hoc short-range dedicated communication. It performs the function of transmitting to.

The wireless relay base station 22 transmits and receives wireless data to and from the vehicle-mounted terminal 25 using short-range dedicated communication (DSRC) and connects to a wired network using multi-hop wireless communication based on ad-hoc. Radio data is transmitted / received with the radio relay base station 23 or another radio relay base station 24. The wireless relay base station 22 determines the communication link type of the data received from the outside, and transmits the uplink data to the wired network connection wireless relay base station 23 according to the determined communication link type, and the downlink data is the destination base station. The ID is checked and transmitted to the wireless relay base station 24 corresponding to the target base station ID. In addition, when the target base station ID corresponds to its ID, the target base station ID is transmitted to the vehicle-mounted terminal 25 using short-range dedicated communication.

The wired network connection wireless relay base station 23 transmits and receives wireless data to and from the vehicle-mounted terminal 25 using short-range dedicated communication (DSRC) and uses multi-hop wireless communication based on ad-hoc. Radio data is transmitted and received to and from the radio relay base stations 22 and 24. In addition, the wired network connection wireless relay base station 23 transmits and receives data with the DSRC gateway 21 using wired communication. The wired network connection wireless relay base station 23 determines the communication link type of the data received from the outside, and transmits the uplink data to the DSRC gateway 21 through the wired network according to the determined communication link type. The base station ID is checked and transmitted to the wireless relay base station 24 corresponding to the target base station ID. In addition, when the target base station ID corresponds to its own ID, the target base station ID is transmitted to the vehicle-mounted terminal 26 using short-range dedicated communication.

Hereinafter, the communication network from the DSRC gateway 21 to the vehicle-mounted terminals 25, 26, and 27 in the wireless relay system using the ad hoc short-range communication is as follows.

First, the wired network wireless relay base station 23 transmits and receives data with the DSRC gateway 21 through a wired communication network. That is, the DSRC gateway 21 transmits and receives data using a wired communication method through E1, T1, ADSL, which is a high-speed wired communication network.

Next, the wireless relay base station 22 performs wireless communication with the wired network connection wireless relay base station 23 or another wireless relay base station 24 in an ad hoc based wireless communication method, but the 60GHz wireless communication, the 5GHz band wireless LAN and 2GHz High speed data communication is performed using any one of the band wireless LANs.

The wired network connection wireless relay base station 23 and the wireless relay base station 22 installed on the roadside use wireless data using the vehicle-mounted terminal 25 and the vehicle-mounted terminal 26 and the short-range dedicated communication (DSRC) in the short-range dedicated communication area. Send and receive.

Meanwhile, the synchronization is maintained using a time division scheme between the wired network connection wireless relay base station 23 and the wireless relay base station 22 or between different wireless relay base station base stations.

3 is a detailed configuration diagram of an embodiment of a wired network connection wireless relay base station of FIG. 2 according to the present invention.

As shown in FIG. 3, the wired network connection wireless relay base station 300 performs communication between a short-range dedicated communication base station function and a short-range dedicated communication base station, a short-range wireless communication unit 301, a relay base station wireless communication unit 302, and wireless communication. The controller 303 includes a wired network interface 304, a memory 305, and a communication link determination unit 306. Hereinafter, each component will be described.

The short range wireless communication unit 301 transmits and receives wireless data to and from a vehicle-mounted terminal using a short range dedicated communication (DSRC).

The relay base station wireless communication unit 302 transmits and receives wireless data with the wireless relay base station using an ad hoc multi-hop wireless communication. That is, wireless communication is performed by the wireless relay station 22 and the ad-hoc based wireless communication method, and high-speed data communication using any one of 60 GHz wireless communication, 5 GHz band wireless LAN, and 2 GHz band wireless LAN. Do this.

The wired network interface unit 304 is connected to the DSRC gateway and the wired network, and transmits and receives data with the DSRC gateway using wired communication. That is, the wired network interface unit 360 transmits and receives data with the DSRC gateway using E1, T1, and ADSL methods, which are high-speed wired communication networks.

The communication link determination unit 306 analyzes the data received from the outside through the short range wireless communication unit 301, the relay base station wireless communication unit 302, or the wired network interface unit 304 to determine the communication link type of the received data. .

The wireless communication control unit 330 transmits uplink data to the DSRC gateway through the wired network interface unit 304 according to the communication link type determined by the communication link determining unit 306, and transmits the downlink data to the relay base station wireless communication unit ( 302) is transmitted to the wireless relay base station corresponding to the target base station ID, but if the target base station ID corresponds to its ID, it is transmitted to the vehicle-mounted terminal through the short-range wireless communication unit 301.

The memory unit 305 operates a system for ad hoc multi-hop wireless communication and short-range dedicated communication.

4 is a detailed configuration diagram of an embodiment of the wireless relay base station of FIG. 2 according to the present invention.

As shown in FIG. 4, the wireless relay base station 400 performs communication between a short-range dedicated communication base station function and a short-range dedicated communication base station, and includes a short-range wireless communication unit 401, a relay base station wireless communication unit 402, and a wireless communication control unit ( 403, a memory unit 404, and a communication link determination unit 405. Hereinafter, each component will be described.

The short-range wireless communication unit 401 transmits and receives wireless data to and from a vehicle-mounted terminal using short-range dedicated communication (DSRC).

The relay base station wireless communication unit 402 transmits / receives wireless data with a wired network connection wireless relay base station or another wireless relay base station using an ad-hoc-based multi-hop wireless communication. That is, the relay base station wireless communication unit 402 performs wireless communication with another wireless relay station in an ad-hoc-based wireless communication method, and performs any one of 60 GHz wireless communication, 5 GHz band wireless LAN, and 2 GHz band wireless LAN. To perform high-speed data communications.

The communication link determining unit 405 analyzes the data received from the outside through the short range wireless communication unit 401 or the relay base station wireless communication unit 402 to determine the communication link type of the received data.

The wireless communication control unit 403 transmits uplink data to the wired network connection wireless relay base station through the relay base station wireless communication unit 402 according to the communication link type determined by the communication link determining unit 405, and the downlink data is relayed. The base station transmits to the wireless relay base station corresponding to the target base station ID through the wireless communication unit 402, but if the target base station ID corresponds to its ID, the base station wireless communication unit 401 transmits to the vehicle-mounted terminal through the short range wireless communication unit 401.

The memory unit 404 performs a system operation function for ad hoc multi-hop wireless communication and short-range dedicated communication.

5 is a flowchart illustrating an embodiment of a wireless relay method applied to a wireless relay base station of a wireless relay system using an ad hoc based short-range dedicated communication according to the present invention. Hereinafter, a wireless relay method applied to a wireless relay base station according to the present invention will be described.

The communication link determination unit 405 analyzes the data received from the outside to determine the communication link type of the received data (500).

Then, if the received data is uplink data, the wireless communication controller 403 checks the target base station ID if the received data is uplink data (502) and ad-hoc-based multi-hop wireless. By using the communication to transmit to the wired network connection wireless relay base station side corresponding to the target base station ID (504). That is, the wireless communication control unit 403 transmits uplink data to the wired network connection wireless relay base station using any one of 60 GHz wireless communication, 5 GHz band wireless LAN, and 2 GHz band wireless LAN.

Here, the transmitted data is classified into uplink data and downlink data. The uplink data refers to a link transmitted from a vehicle-mounted terminal to a server such as an ITS center through a wired network-connected wireless relay base station and a DSRC gateway. In order to transmit this, it is possible to confirm to which radio relay base station the return data is transmitted, including the ID of the corresponding radio relay target base station in the data. In addition, the downlink data is data transmitted from the service server to the vehicle-mounted terminal in the specific wireless relay base station apparatus.

On the other hand, if the received data is downlink data, the wireless communication controller 403 checks the destination base station ID of the received data if the received data is downlink data (506), and checks whether the destination base station ID is its ID ( If it is not its ID, it transmits downlink data to the radio relay base station corresponding to the ID of the target base station by using an ad-hoc-based multi-hop wireless communication according to the verification result (510). . In addition, if the target base station ID corresponds to its ID (508), the wireless communication control unit 403 transmits the downlink data to the corresponding vehicle-mounted terminal using short-range dedicated communication (512).

In this case, when transmitting to a wireless relay base station (510), an Ad-hoc-based multi-hop communication method is used, and this multi-hop communication method is used in a wireless LAN method to perform communication between terminals without a base station. It can be used to send data to the final destination in multiple stages.

FIG. 6 is a flowchart illustrating an embodiment of a wireless relay method applied to a wired network connected wireless relay base station of a wireless relay system using ad hoc short-range dedicated communication. Hereinafter, a wireless relay method applied to a wired network connection wireless relay base station according to the present invention will be described in detail.

The communication link determination unit 306 analyzes the data received from the outside to determine the communication link type of the received data (600).

If the received data is uplink data, the wireless communication controller 303 transmits the received data to the DSRC gateway using wired communication (602). That is, the wireless communication controller 303 transmits uplink data to the DSRC gateway using any one of 60 GHz wireless communication, 5 GHz band wireless LAN, and 2 GHz band wireless LAN.

Here, the transmitted communication link data is divided into uplink data and downlink data. The uplink data is data transmitted from a user terminal to an intelligent transport system (ITS) center through a DSRC gateway, and the downlink data is transmitted from an ITS center. Data is transmitted to the vehicle-mounted terminal through the DSRC gateway.

On the other hand, if the received data is downlink data, the wireless communication controller 303 checks the destination base station ID of the received data if the received data is downlink data (604), and checks whether the destination base station ID is its ID ( 608) If the ID is not its own ID, downlink data is transmitted to the radio relay base station corresponding to the ID of the target base station by using an ad-hoc-based multi-hop wireless communication (608). . In addition, if the target base station ID corresponds to its ID, the wireless communication control unit 303 transmits downlink data to the corresponding vehicle-mounted terminal using short-range dedicated communication (610).

Here, in the case of transmitting to the radio relay base station (608), an Ad-hoc-based multi-hop communication method is used, and this multi-hop communication method is used in a wireless LAN method to perform communication between terminals without a base station. It can be used to send data to the final destination in multiple stages.

As described above, the method of the present invention may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

The present invention as described above, by advancing the existing DSRC technology to reduce the data communication capacity of the wired network and the wired link between the DSRC base station, thereby facilitating the installation of the DSRC base station and the network installation cost and communication fee for using the wired communication network In addition, it is possible to reduce the ongoing expenses such as maintenance costs.

In addition, the present invention by applying the ad-hoc communication technology to the communication between the wired network DSRC radio relay base station and the DSRC radio relay base station, enabling the connection of wired and wireless communication link and facilitate the installation of the DSRC base station, In addition, it has the effect of ensuring the DSRC system efficiency by maintaining the data capacity without reducing the existing DSRC communication capacity.

Claims (14)

A wireless network base station in a wired network connection in a wireless relay system using ad hoc short-range dedicated communication, Short-range wireless communication means for transmitting and receiving wireless data with a user terminal using Dedicated Short Range Communication (DSRC); Relay base station wireless communication means for transmitting and receiving wireless data with a wireless relay base station using an ad-hoc based multi-hop wireless communication; Wired network interface means for transmitting and receiving data with the DSRC gateway using wired communication; Communication link determination means for determining a communication link type of the received data by analyzing data received from the outside through the short range wireless communication means, the relay base station wireless communication means, or a wired network interface means; And According to the communication link type determined by the communication link determining means, uplink data is transmitted to the DSRC gateway through the wired network interface means, and downlink data is wireless corresponding to the target base station ID through the relay base station wireless communication means. Wireless communication control means for transmitting to the relay base station and transmitting to the corresponding user terminal through the short range wireless communication means if the target base station ID corresponds to its own ID. Wired network connection wireless relay station of the wireless relay system using the ad hoc short-range dedicated communication including a. The method of claim 1, The wired network interface means, A wired network connection wireless relay station of a wireless relay system using an ad hoc short-range dedicated communication, characterized in that data is transmitted through a high-speed wired communication network. The method of claim 1, The relay base station wireless communication means, Ad hoc based on the ad hoc wireless communication method and the wireless relay station, the high-speed data communication using any one of 60GHz wireless communication, 5GHz band wireless LAN and 2GHz band wireless LAN Wireless relay base station for wired network connection of wireless relay system using short-range dedicated communication. The method of claim 1, The uplink data is, Data transmitted from the user terminal to the service server through the DSRC gateway, The downlink data is, The wired network connection wireless relay base station of the wireless relay system using the ad hoc short-range dedicated communication, characterized in that the data transmitted from the service server to the user terminal through the DSRC gateway. In the wireless relay base station of the wireless relay system using the ad hoc short-range dedicated communication, Short-range wireless communication means for transmitting and receiving wireless data with a user terminal using short-range dedicated communication (DSRC); A relay base station wireless communication means for transmitting and receiving wireless data with a wired network connection wireless relay base station or another wireless relay base station using an ad-hoc-based multi-hop wireless communication; Communication link determination means for determining a communication link type of the received data by analyzing data received from the outside through the short range wireless communication means or the relay base station wireless communication means; And According to the communication link type determined by the communication link determining means, uplink data is transmitted to the wired network connection wireless relay base station through the relay base station wireless communication means, and downlink data is transmitted to the destination base station via the relay base station wireless communication means. The wireless communication control means for transmitting to a wireless relay base station corresponding to an ID, and transmitting to the user terminal through the short-range wireless communication means if the destination base station ID corresponds to its own ID. Wireless relay base station of the wireless relay system using the ad hoc-based short-range dedicated communication comprising a. The method of claim 5, The relay base station wireless communication means, Performing wireless communication with the other wireless relay base station in an ad-hoc based wireless communication method, and performing high-speed data communication using any one of 60 GHz wireless communication, 5 GHz band wireless LAN, and 2 GHz band wireless LAN. A wireless relay base station of a wireless relay system using an ad hoc based short-range dedicated communication. The method of claim 5, The uplink data is, Data transmitted from the user terminal to the service server through the DSRC gateway, The downlink data is, The wireless relay base station of the wireless relay system using the ad hoc short-range dedicated communication, characterized in that the data transmitted from the service server to the user terminal through the DSRC gateway. In the wireless relay method applied to a wired network connection wireless relay base station of a wireless relay system using ad hoc short-range dedicated communication, A communication link type determining step of analyzing the data received from the outside to determine a communication link type of the received data; An uplink transmission step of transmitting to the DSRC gateway using wired communication if the received data is uplink data as a result of the determination in the communication link determination step; A target base station ID confirming step of confirming a target base station ID of the received data if the received data is downlink data as a result of the determination in the communication link determining step; And The downlink data is transmitted to a wireless relay base station corresponding to the target base station ID using an ad-hoc-based multi-hop wireless communication according to the result of the identification of the target base station ID step. Downlink transmission step of transmitting to the corresponding user terminal using short-range dedicated communication if the destination base station ID corresponds to its own ID Wireless relay method using ad hoc-based short-range dedicated communication in a wired network connection wireless relay base station comprising a. The method of claim 8, The downlink transmission step, Ad-hoc based short-range dedicated communication, characterized in that for transmitting the downlink data using any one of 60GHz wireless communication, 5GHz band wireless LAN and 2GHz band wireless LAN to the wireless relay base station corresponding to the target base station ID. Wired network connection wireless relay method of relay system. The method of claim 8, The uplink transmission step, A wired network connection wireless relay method of a wireless relay system using an ad hoc short-range dedicated communication, characterized in that for transmitting the uplink data to the DSRC gateway through a high-speed wired communication network. The method of claim 8, The uplink data is, Data transmitted from the user terminal to an Intelligent Transport System (ITS) center through a DSRC gateway, The downlink data is, Wired network connection wireless relay method of the wireless relay system using the ad hoc short-range dedicated communication, characterized in that the data transmitted from the service server to the user terminal through the DSRC gateway. A wireless relay method applied to a wireless relay base station of a wireless relay system using ad hoc short-range dedicated communication, A communication link determination step of determining a communication link type of the received data by analyzing data received from the outside; As a result of the determination in the communication link determination step, if the received data is uplink data, an uplink transmission step of transmitting to a wired network connection wireless relay base station using Ad-hoc-based multi-hop wireless communication ; A target base station ID confirming step of confirming a target base station ID of the received data if the received data is downlink data as a result of the determination in the communication link determining step; The downlink data is transmitted to a wireless relay base station corresponding to the target base station ID using an ad-hoc-based multi-hop wireless communication according to the result of the identification of the target base station ID step. Downlink transmission step of transmitting to the corresponding user terminal using short-range dedicated communication if the destination base station ID corresponds to its own ID Wireless relay method of the wireless relay system using the ad hoc-based short-range dedicated communication comprising a. The method of claim 8, The downlink transmission step, Ad-hoc based short-range dedicated communication, characterized in that for transmitting the downlink data using any one of 60GHz wireless communication, 5GHz band wireless LAN and 2GHz band wireless LAN to the wireless relay base station corresponding to the target base station ID. Wireless relay method of relay system. The method of claim 8, The uplink data is, Data transmitted from the user terminal to the service server through the DSRC gateway, The downlink data is, And a data transmitted from the service server to the user terminal through the DSRC gateway.

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