移动通信2023，Vol.47Issue(12)：44-49,70,7.DOI:10.3969/j.issn.1006-1010.20230704-0003
迫零混合预编码车联网系统遍历能效研究
On Ergodic Energy Efficiency of IoV Systems with ZF Hybrid Precoders
摘要
Abstract
As an important part of the future intelligent transportation system,the Internet of Vehicles(IoV)deploys a large number of infrastructures with communication characteristics in urban and rural roads,including 5G base stations,sensors,roadside units,etc.In order to create a green and sustainable future and reduce the communication overhead of the Internet of vehicles,formulating a more energy-efficient infrastructure deployment scheme is one of the important means.At present,related research focuses on the instantaneous energy efficiency of the system,but the instantaneous energy efficiency cannot deal with the randomness of channel state information and cannot give a comprehensive consideration for the deployment of IoV infrastructure.To solve this problem,this paper considers the use of zero forcing hybrid precoding transceiver structure,and conducts research on the ergodic energy efficiency of the Vehicle-to-everything based on millimeter wave large-scale MIMO technology.First,consider various types of base stations,and establish a general Vehicle-to-everything system model.Secondly,considering the connection of vehicles to different base stations,calculate the discretized ergodic energy efficiency and obtain statistical data.Finally,a simulation analysis was conducted to investigate the ergodic energy efficiency.The results indicate that ergodic energy efficiency research can provide higher energy efficient base station deployment and effectively reduce communication energy consumption.关键词
混合预编码/5G V2X/能量效率Key words
hybrid precoding/5G V2X/energy efficiency分类
信息技术与安全科学引用本文复制引用
刁宇璇,张震,郭继冲,李韵涵,张洪..迫零混合预编码车联网系统遍历能效研究[J].移动通信,2023,47(12):44-49,70,7.基金项目
江苏省高等学校基础科学(自然科学)研究面上项目"通信感知一体化空口关键技术研究"(23KJB510031) （自然科学）
国家自然科学基金面上项目"时频双选信道中无导频开销的波束空间通信方法研究"(62271085) （62271085）
