Research On Radar And Communication Integration On Internet Of Vehicle

In recent years,the technology of artificial intelligence and the realization of unmanned driving become popular topics.In the meantime,the Internet of vehicle,as a new method of Internet of things,has attracted more and more attention.As an important part of the intelligent transportation system,the internet of vehicle institute the transmission link between vehicles and the surrounding objects in order to complete the communication with each other.Except for the traditional communication system,the radar sensor is also a necessary equipment used in the whole internet of vehicle system,whose purpose is to obtain the surrounding information of environment,such as distance and velocity,through the radar sensor.Subsequently,the communication and radar information obtained by the vehicle will be processed by its own system or cloud equipment,and depending on the results the vehicle can be controlled to complete the auxiliary driving task or the unmanned driving mission.This paper mainly discusses the radar and communication integration technology based on the Internet of vehicle.Firstly,depending on the research status,an internet of vehicle communication model can be built from four-layer structure,the space,sky,land,sea layer based on the position and type of transmission terminal which is also called the integration internet of vehicle communication model,and select the land layer as the transmission mode and the road model in part to discuss energy consumption.The result shows that utilizing the moving relay node is the best communication transmission mode under the same conditio ns.Secondly,after determining the moving relay transmission with the best performance,considering the radar function at the same time,the multi-carrier phase encode of the communication signal is applied to the realization of the radar function.Based on the communication and radar signal,the system parameters are designed in order to accomplish the requirement of communication and radar.Focusing on the receiving signal,it can be decoded to complete the mission of communication,while the mission of radar can be accomplished by the periodic chart method and the successive elimination algorithm of related targets.After these steps,the basic model of radar and communication integration based on internet of vehicle is built.Finally,based on the basic model,the number of antenna can be increased into multi antennas,which changes the basic system into a MIMO radar and communication integration system.According to the MIMO system,the different signals are designed in order to address the different circumstance and the method to object sensing is also corrected.Depending on the number of the object and channel coverage,three plans,which are single object plan,multi objects plan and cluster objects plan,are instituted to accomplish communication.The result of simulation show that the designing of different systems can effectively accomplish the radar and communication integration.