TWI419596B - Vanet system - Google Patents

Description

Car random network system

The present invention relates to a roadside device, and more particularly to a roadside device and a vehicle arbitrarily network system.

In recent years, the popularity of on-board devices has become higher and higher, and the functions of on-board devices have become more diverse. For example, car players, navigation systems, and on-board computers are all manifestations of the multiple use of on-board devices.

The Vehicular Ad-Hoc Network (VANET) is a way to transfer data from people who can only use the Internet in front of the computer.

However, in the communication environment of the vehicle free network, it is difficult to achieve correct and reliable data transmission. The transmission of data will be delayed and easily interrupted. In severe cases, the packet will be lost, so it is not suitable for application. Browse on the web. In addition, how to connect the car with the Internet is also a problem to be solved.

Therefore, how to provide a roadside device and a vehicle random network system, which can overcome the disadvantages of unfavorable data transmission in the free network of the vehicle, and how to connect the random network of the vehicle with the Internet has become one of the important topics.

In view of the above problems, an object of the present invention is to provide a roadside device and a vehicle free network system capable of overcoming the disadvantages of unfavorable data transmission in a random network of a vehicle and connecting the random network of the vehicle with the Internet.

To achieve the above objective, a roadside device of the present invention comprises a receiving module, a converting module and a transmitting module. The receiving module receives an electronic device to transmit a webpage request according to a bundle protocol. The conversion module removes the package agreement. The delivery module transmits a web page request to remove the package agreement to the internet. The roadside device can be a Delay Tolerant Network (DTN) gateway, or a delay tolerant network server, or a web server, or a combination thereof.

In an embodiment, the receiving module of the roadside device receives a webpage request for transmitting a corresponding webpage request from the Internet, and the converting module adds the webpage data to the parcel agreement, and the webpage data of the parcel agreement is transmitted by the transmitting module. To an electronic device or another electronic device.

To achieve the above objective, the present invention further provides a vehicle random network system, which includes a plurality of nodes, wherein a first node is a roadside device including a first receiving module, a conversion module, and a first transmitting module. . The first receiving module receives a second node to transmit a webpage request according to the parcel agreement. The conversion module removes the package agreement. The first delivery module transmits a webpage request to remove the package agreement to the internet.

In an embodiment, the first receiving module of the roadside device of the vehicle random network system receives one of the webpage requests for transmitting the corresponding webpage request from the Internet, and the conversion module adds the webpage data to the parcel agreement, and the A transmitting module transmits the webpage data of the parcel agreement to the second node or a third node, and the second node is disposed on one vehicle or another roadside device.

In one embodiment, the second node of the vehicle random network system is an onboard device, disposed on a carrier and used in conjunction with a computer, the computer having a web browser, wherein the onboard device includes a second receiving The module and a second transfer module. The second receiving module receives a webpage request from one of the web browsers, and the second transmitting module transmits the webpage request to the first node according to a parcel agreement.

In one embodiment, the second node of the car random network system has a car computer and is disposed on a vehicle. The car computer includes a web browser and a second transfer module. The web browser further includes a DTN conversion module and a web browsing module. The web browsing module issues a web page request and has a transfer unit. The transmitting unit transmits the webpage request to the DTN conversion module, and the DTN conversion module converts the webpage request into a webpage request of a parcel agreement, and the second delivery module transmits the webpage request of the parcel agreement to the first node.

As described above, the roadside device of the present invention can connect the delay tolerant network and the Internet through the conversion module, thereby providing more and more efficient applications for the vehicle free network, such as web browsing. In addition, the present invention applies a packet-layer protocol technology of delay-tolerant network. Since the parcel layer protocol can store data in each node first and then transmit it in a step-by-step manner, it has high delay tolerance and reliable segment-by-segment transmission. The important feature, therefore, the roadside device of the random network for vehicles of the present invention allows the user to overcome the shortcomings of data transmission in the environment of the vehicle free network, and browse the webpage in the vehicle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a roadside device and a vehicle arbitrarily network system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals.

1 is a block diagram of a roadside apparatus 1 in accordance with a preferred embodiment of the present invention. Referring to FIG. 1 , in the embodiment, the roadside device 1 includes a receiving module 11 , a conversion module 12 , and a transmission module 13 . The receiving module 11 receives an electronic device to transmit a webpage request according to a parcel agreement. The conversion module 12 removes the package agreement. The delivery module 13 transmits a web page request to remove the package agreement to the internet. The roadside device 1 is, for example, a delay tolerant network gateway, or a delay tolerant network server, or a web server, or a combination thereof, which is not limited herein. The conversion module 12 removes the package agreement information, such as the header of the package agreement.

The receiving module 11 can include a wireless transmission module such as Wi-Fi IEEE 802.11 b/g/p or WiMAX IEEE 802.16. The transmission module 13 can include a wired transmission module or a wireless transmission module, such as Wi-Fi IEEE 802.11 b/g/p or WiMAX IEEE 802.16.

In addition, the roadside device 1 can receive the webpage data of the corresponding webpage request from the internetwork by the receiving module 11, and the conversion module 12 adds the webpage data to the parcel agreement, and the transmitting module 13 transmits the webpage of the parcel agreement. Data to the electronic device or another electronic device. The information that the conversion module 12 joins the parcel agreement is, for example, the header of the parcel agreement.

2 is a block diagram of a vehicle arbitrarily network system 2 in accordance with a preferred embodiment of the present invention. Referring to FIG. 2, in the embodiment, the vehicle random network system 2 includes a plurality of nodes, and one of the first nodes 3 is a roadside device. The roadside device includes a first receiving module 31, a conversion module 32, and a first transmitting module 33. A first receiving module 31 receives a second node 4 to transmit a webpage request according to a parcel agreement. The conversion module 32 removes the package agreement. The first delivery module 33 transmits a web page request to remove the package agreement to the internet. The first node 3 can receive the webpage data of the corresponding webpage request from the internet receiving by the first receiving module 31, and the converting module 32 adds the webpage data to the parcel agreement, and is transmitted by the first transmitting module 33. Wrap the web page of the agreement to the second node 4 or a third node. The second node 4 or the third node may for example be arranged on one carrier or another roadside device.

The second node 4 of the vehicle random network system 2 is an onboard device, disposed in a vehicle and used in conjunction with a computer 5 having a web browser 51, wherein the onboard device includes a second receiving module Group 41 and a second transfer module 42. The second receiving module 41 receives a web page request from the web browser 51. The second delivery module 42 transmits a web page request to the first node 3 in accordance with a parcel agreement.

3 is a block diagram of another vehicular random network system 2 in accordance with a preferred embodiment of the present invention. Referring to FIG. 3, in the embodiment, the vehicle random network system 2 includes a plurality of nodes, wherein the first node 3 has been described in detail above, and details are not described herein again. The second node 4 has a car computer 43 and is disposed on a vehicle. The car computer 43 includes a web browser 431 and a second transfer module 432. The web browser 431 further includes a DTN conversion module 433 and a web browsing module 434. The web browsing module 434 issues a web page request and has a transmitting unit 435. The transmitting unit 435 transmits the webpage request to the DTN conversion module 433, and the DTN conversion module 433 converts the webpage request into a webpage request of a parcel agreement, and the second delivery module 432 transmits the webpage request of the parcel agreement to the first node. 3.

Since the parcel layer protocol can store the data in each node first and then transmit it in a forward (forward) manner, which has high delay tolerance and important characteristics of reliable segment-by-segment transmission, the webpage of the present invention The request can be forwarded to the Internet step by step, and the obtained web page data can be gradually transmitted back to the second node 4 or the third node.

4 is a schematic diagram of an embodiment of the vehicle random network system 2 of FIGS. 2 and 3. Referring to FIG. 4, the webpage request sent by the second node 4 may be directly transmitted to the first node 3, or transmitted to another carrier, and then transmitted by the carrier to the first node 3 or to a roadside device. The roadside device is further transmitted to the first node 3, or a combination thereof, and the invention is not limited thereto. When the second node 4 cannot transmit the webpage request to the first node 3 at one time, it can be forwarded through the hop-by-hop to the first node 3. In other words, the second node 4 cannot transmit the webpage request to the first node 3 at one time, and can transmit the webpage request after another webpage, or another roadside apparatus, or a combination thereof, until the first node 3 .

In summary, the roadside device of the present invention can connect the delay tolerance network and the Internet through the conversion module, thereby providing more and more efficient applications for the vehicle free network, such as web browsing. In addition, the present invention applies a packet-layer protocol technology of delay-tolerant network. Since the parcel layer protocol can store data in each node first and then transmit it in a step-by-step manner, it has high delay tolerance and reliable segment-by-segment transmission. The important feature, therefore, the roadside device of the random network for vehicles of the present invention allows the user to overcome the shortcomings of data transmission in the environment of the vehicle free network, and browse the webpage in the vehicle.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1. . . Roadside device

11. . . Receiving module

12, 32. . . Conversion module

13. . . Transfer module

2. . . Car random network system

3. . . First node

31. . . First receiving module

33. . . First transmission module

4. . . Second node

41. . . Second receiving module

42,432. . . Second transmission module

43. . . Car computer

431, 51. . . browser

433. . . DTN conversion module

434. . . Web browsing module

435. . . Transfer unit

5. . . computer

1 is a block diagram of a roadside device according to a preferred embodiment of the present invention;

2 is a block diagram showing a random network system for a vehicle according to a preferred embodiment of the present invention;

3 is a block diagram showing another vehicular random network system according to a preferred embodiment of the present invention;

4 is a schematic diagram of an embodiment of the vehicle random network system of FIGS. 2 and 3.

1. . . Roadside device

11. . . Receiving module

12. . . Conversion module

13. . . Transfer module

Claims (6)

A vehicle random network system, comprising a plurality of nodes, wherein a first node is a roadside device, the roadside device comprising: a first receiving module, receiving a second node transmitting a webpage request according to a parcel agreement, The second node is disposed on a carrier or another roadside device; a conversion module removes the package agreement; and a first transmission module transmits the webpage request for removing the package agreement to the Internet road. The vehicular random network system of claim 1, wherein the first receiving module receives a webpage data corresponding to a webpage request from the internet. For example, the vehicle random network system described in claim 2, wherein the conversion module adds the webpage information to the parcel agreement. The vehicular random network system of claim 3, wherein the first transmitting module transmits the webpage data of the parcel agreement to the second node or a third node. The vehicular random network system of claim 1, wherein the second node is a vehicle-mounted device, the vehicle-mounted device is disposed on a vehicle and used in conjunction with a computer having a web browsing The onboard device includes: a second receiving module that receives a webpage request from the web browser; and a second transmitting module that transmits the webpage request according to a parcel agreement to The first node. The vehicle random network system according to claim 1, wherein the second node has a vehicle computer, and the vehicle computer is disposed on a vehicle, the computer includes: a web browser, including a DTN conversion module; and a web browsing module that issues a web page request and has a transmitting unit, the transmitting unit transmits the web page request to the DTN conversion module, and the DTN conversion module converts the web page request into a web page request of a parcel agreement; and a second transfer module transmitting a web page request of the parcel agreement to the first node.