Application scenarios, key technologies and network architecture of communication perception integration

【 pick   want 】 The integration of communication perception is designed through the joint design of air interface and Protocol 、 Hardware and software device sharing , Realize communication and sensing functions in the same spectrum resources , Make the wireless network carry out data communication at the same time , It can also analyze the direct radiation of wireless communication signals 、 Reflection 、 Scattering signal , Gain awareness of the target object or environmental information , Improve spectrum utilization and equipment reuse . Starting from the requirements of typical application scenarios of communication perception integration , The working principle of communication perception integration 、 Working mode 、 The key technologies and network architecture of air interface are systematically described , Based on the test results of vehicle perception and UAV perception in traffic scenes and low altitude scenes, the application effect of communication perception integration technology is analyzed .

【 key word 】 wireless communication ; radar ; Communication awareness integration

0    introduction

The integrated design idea of communication perception appeared in NASA in the early stage , It integrates radar and communication systems , It can be used for radar sensing between aircrafts , It is also used for communication between aircraft and space station [1]. In recent years , With the development of wireless communication technology and radar technology , Spectrum resources are becoming more and more crowded , How to highly integrate communication function and perception function , Share spectrum resources 、 Common hardware module 、 Multiplex electromagnetic wave signals, etc , To improve spectral efficiency 、 Reduce equipment cost and power consumption 、 Increasing attention has been paid to improving the performance of sensing and communication systems [2-7]. Domestic and foreign scientific research institutions have carried out a lot of research on the application scenarios and key technologies of communication perception integration . among , The integrated application scenario of communication and perception mainly focuses on the scenario of Internet of vehicles to assist automatic driving [8-10] And UAV scene to assist UAV path planning and UAV supervision [11], The key technologies of communication perception integration mainly focus on the integrated architecture [12-13]、 Waveform design [14-16]、 Interference cancellation [17-18] And networking integration technology, etc [19]. However, many current studies have not systematically analyzed the impact of the deep integration of sensing function and communication function on mobile communication standardization , There is no mobile communication technology based on the fifth generation （5G, 5th Generation Mobile Communication Technology） The integrated prototype test of communication perception developed by the communication system . This paper is based on the mobile communication system architecture , From communications