Unlock instant, AI-driven research and patent intelligence for your innovation.

Unicast communication method and device for Internet of Vehicles

A unicast, vehicle-mounted unit technology, applied in the communication between vehicles and infrastructure, vehicle wireless communication services, wireless communication, etc.

Pending Publication Date: 2022-07-01
DENSO CORP
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems in the broadcast communication method initiated by RSU in the existing LTE-V2X standard, for example, in the application scenario of actively initiating payment when the vehicle is stopped as described in the background technology, this disclosure provides Perform message interaction to realize the unicast connection communication process initiated by OBU

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Unicast communication method and device for Internet of Vehicles
  • Unicast communication method and device for Internet of Vehicles
  • Unicast communication method and device for Internet of Vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Various embodiments will be described in detail below with reference to the accompanying drawings. It should be understood that the description of these specific embodiments is only used to enable those skilled in the art to better understand and thereby implement the present disclosure, and is not intended to make any limitation on the scope of the present disclosure.

[0024] figure 1 A protocol stack frame diagram of the LTE-based vehicle networking wireless communication technology is shown. The protocol stack of LTE vehicle networking wireless communication devices (eg, OBU and RSU) mainly includes an application layer, a network layer, and an access layer. At the access layer, LTE-V2X supports Uu interface and PC5 interface. The Uu interface is the interface between a user terminal and an access network device (eg, eNode B) in the LTE standard. The PC5 interface is an interface used in the LTE standard for direct connection between terminal devices (for example...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method and a device for unicast wireless communication between a vehicle-mounted unit and a road side unit. In the invention, a vehicle-mounted unit sends a connection request message to a road side unit in a broadcast mode, and the connection request message is used for requesting to establish unicast connection. The road side unit responds to the received connection request message and sends a connection acceptance message to the vehicle-mounted unit in a unicast mode, and the connection acceptance message is used for notifying the unicast connection service capability of the road side unit. And the vehicle-mounted unit responds to the received connection acceptance message and sends a connection confirmation message to the road side unit in a unicast mode, and the connection confirmation message is used for confirming to establish the unicast connection to the road side unit.

Description

technical field [0001] The invention relates to the wireless communication technology of the Internet of Vehicles, and more particularly to the unicast communication technology between the vehicle-mounted unit and the roadside unit in the Internet of Vehicles. Background technique [0002] The Dedicated Short-Range Communication (DSRC) standard based on the IEEE 802.11p communication standard and the LTE-V2X standard based on the 3GPP Long Term Evolution (LTE) standard are two mainstream communication standards currently used in the field of Internet of Vehicles. Compared with DSRC technology, LTE-V2X can utilize the existing cellular network infrastructure and spectrum resources, and the application cost is lower. In addition, LTE-V2X technology has significantly improved in terms of bandwidth, scope of application, and service quality, and is suitable for a variety of vehicle networking communication application scenarios. Therefore, the design of vehicle-to-infrastructur...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04W4/44H04W48/10H04W76/11
CPCH04W4/44H04W48/10H04W76/11
Inventor 张博源李昊臻樊震宇应拓
Owner DENSO CORP