摘要
针对无人机MIMO三维单跳同心椭圆环(GBSBCER)信道模型,给出无人机空时频信道相关函数的简要形式,推导了归一化无人机MIMO信道相关矩阵,应用该矩阵分析了天线结构、飞行距离以及散射体分布等参数对无人机MIMO信道矩阵条件数和容量等信道特性参量的影响。仿真表明,通过合理布局天线,调整飞行参数可以提高无人机MIMO通信性能,为实现MIMO技术在无人机通信系统的应用提供理论基础。
The simple form of UAV space-time-frequency channel correlation function was presented based on the three-dimensional geometrically based single bounce concentric elliptic ring scattering （GBSBCER） channel model of Multi-Input Multi-Output （MIMO ） for Unmanned Aerial Vehicle （UAV）. The analytic formula of UAV-MIMO normalized correlation matrix was deduced. The effect of antennas structures, flight distance and scatters distributing on the characteristic parameters such as the condition number of UAV-MIMO channel matrix and the channel capacity were analyzed by this formula. The simulation results show that, the performance of UAV-MIMO communication can be improved by reasonably arranging the antennas, adjusting the flight parameters, which lays a theoretical foundation for realizing the application of MIMO technology in UAV communication system.
作者
高喜俊
陈自力
胡永江
周子栋
Gao Xijun Chen Zili Hu Yongjiang Zhou Zidong(Department of UAV Engineering, Ordnance Engineering College, Shijiazhuang 050003, Chin)
出处
《系统仿真学报》
CAS
CSCD
北大核心
2017年第3期494-501,508,共9页
Journal of System Simulation
