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Optimization method of Internet of Vehicles acceleration information transmission

A technology of information transmission and optimization method, which is applied in the field of in-vehicle network, which can solve problems such as failure to meet delay requirements, and achieve the effects of improving resource utilization, reducing delay, and improving transmission reliability

Inactive Publication Date: 2018-11-13
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI +1
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  • Description
  • Claims
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Problems solved by technology

However, through the above analysis, we can see that for some emergency safety information whose delay is less than 10ms specified in the SAEJ2735 standard, scheduling-based information transmission may not be able to meet such a stringent delay requirement

Method used

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  • Optimization method of Internet of Vehicles acceleration information transmission
  • Optimization method of Internet of Vehicles acceleration information transmission
  • Optimization method of Internet of Vehicles acceleration information transmission

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Embodiment Construction

[0045] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0046] The first embodiment of the present invention relates to an optimization method for accelerated information transmission of the Internet of Vehicles, such as Figure 4 As shown, it specifically includes the following steps:

[0047] 1. During the driving of the vehicle, if an emergency occurs in a certain vehicle, such as a vehicle collision accident. At this time, the vehicle will generate a sudden emergency safety wa...

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Abstract

The invention relates to an optimization method of Internet of Vehicles acceleration information transmission. When a vehicle generates burst emergency security early warning information, the vehicleuploads original conventional information on a pre-configured SPS resource, the conventional information carries a new resource request and an illustration that notifies a network user side to generate new information by means of the original conventional information, or the vehicle transmits burst information on the pre-configured SPS resource, and the burst information carries the new resource request and an illustration indicating that an original information packet is temporarily occupied to transmit resources. By adoption of the optimization method provided by the invention, the transmission waiting delay of the burst information can be shortened, thus shortening the transmission delay of the burst information.

Description

technical field [0001] The invention relates to the field of vehicle network technology, in particular to an optimization method for accelerating information transmission of the vehicle network. Background technique [0002] In-vehicle network communication can improve vehicle driving comfort and reduce traffic accidents, which has become an inevitable trend in the development of modern automotive electronics technology. Vehicle networking (V2X, vehicle to everything) includes V2V (vehicle-vehicle communication), V2I (vehicle-road communication) and V2P (vehicle-pedestrian communication), which can realize intelligent traffic management, intelligent dynamic information service and intelligent control of vehicles The integrated network is a typical application of Internet of Things technology in the field of transportation systems. At present, there are mainly two standards in the field of V2X communication technology, DSRC and LTE-V2X. The former specifies the communicatio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04W4/40H04W4/90
CPCH04L67/12H04W4/40H04W4/90
Inventor 舒睿俊易辉跃王旭徐景杨旸
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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