宏蜂窝环境下BS端采用DA的3D GCM研究
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摘要
基于2D信道模型,提出3D统计信道模型。宏蜂窝环境中,基站(BS)端采用定向天线阵列,散射体分布在以移动台(MS)为中心的椭圆盘上,BS在椭圆平面之外。该模型通过几何关系,估算出水平方向及垂直方向到达角、到达时间的概率密度函数、累积分布函数和移动台的移动产生BS端的相对多普勒谱。通过仿真分析,揭示该模型空间参数及定向天线波束宽度对信道模型造成一定的影响,并将结果与经典的Nawaz、Janaswamy和Clarke模型进行对比。结果表明:该模型符合理论及实际的通信环境,扩展了现有三维统计信道模型的研究。
Based on the 2 D channel model,a 3 D statistical channel model is proposed.In a macrocell environment,a base antenna(BS) end employs a directional antenna array,and scatterers are distributed on an elliptical disk centered on a mobile station(MS),and the BS is outside the elliptical plane.The model estimates the horizontal and vertical arrival angles,the probability density function of the arrival time,the relative Doppler spectrum at the BS end produced by the cumulative distribution function and the movement of the mobile station.Through simulation analysis,the spatial parameters of the model and the directional antenna beamwidth are revealed to have a certain impact on the channel model,and the results are compared with the classic Nawaz,Janashwamy and Clarke models.The results show that the model conforms to the theoretical and practical communication environment and extends the existing three-dimensional statistical channel model research.
Based on the 2 D channel model,a 3 D statistical channel model is proposed.In a macrocell environment,a base antenna(BS) end employs a directional antenna array,and scatterers are distributed on an elliptical disk centered on a mobile station(MS),and the BS is outside the elliptical plane.The model estimates the horizontal and vertical arrival angles,the probability density function of the arrival time,the relative Doppler spectrum at the BS end produced by the cumulative distribution function and the movement of the mobile station.Through simulation analysis,the spatial parameters of the model and the directional antenna beamwidth are revealed to have a certain impact on the channel model,and the results are compared with the classic Nawaz,Janashwamy and Clarke models.The results show that the model conforms to the theoretical and practical communication environment and extends the existing three-dimensional statistical channel model research.
引文
[1]赵翠芹.宏蜂窝环境下3D非对称几何信道模型研究[J].云南民族大学学报(自然科学版),2018,27(4):315-325.
[2]BALTZIS K B.A Generalized Elliptical Scattering Model for the Spatial Characteristics of Mobile Channels[J].Wireless Personal Communications,2012,67(4):971-984.
[3]江浩,张在琛,党建,等.三维空间非平稳车载几何信道模型的研究分析[J].电子学报,2018,46(5):1265-1268.
[4]JANASWAMY,R.Angle of arrival statistics for a 3-D spheroid model[J].IEEE Transactions on Vehicular Technology,2002,51(5):1242-1247.
[5]NAWAZ S J,QURESHI B H,KHAN N M.Angle of arrival statistics for 3-D macrocell environment using directional antenna at BS[C]// IEEE International Multitopic Conference.IEEE,2009.
[6]NAWAZ S J,QURESHI B H,KHAN N M,et al.Effect of directional antenna on the spatial characteristics of 3-D macrocell environment[C]// International Conference on Future Computer & Communication.IEEE,2010.
[7]AHMED A,GULFAM S M,NAWAZ S J,et al.Doppler Spectrum and Second Order Fadingstatistics of Emerging 3-D Radio Cellular Propagation Channels[C]// European Conference on Antennas & Propagation.IEEE,2017.
[8]AHMED A,NAWAZ S J,KHAN N M,et al.Angular characteristics of a unified 3-D scattering model for emerging cellular networks[C]// IEEE International Conference on Communications.IEEE,2015.
[9]WANI M Y,RIAZ M,KHAN N M.Modeling and Characterization of MIMO Mobile-to-Mobile Communication Channels Using Elliptical Scattering Geometry[J].Wireless Personal Communications,2016,91(2):509-524.
[10]WANI M Y,KHAN N M.Characterization of 3D Elliptical Spatial Channel Model for MIMO Mobile-to-Mobile Communication Environment[J].Wireless Personal Communications,2017,96(4):6325-6344.
[11]BALTZIS K B,SAHALOS J N.A Simple 3-D Geometric Channel Model for Macrocell Mobile Communications[J].Wireless Personal Communications,2009,51(2):329-347.
[12]周杰,姚颖莉,罗宏,等.基于三维空间域的宏小区移动通信正向链路信道参数估计[J].华南理工大学学报(自然科学版),2016,44(9):81:86.
[13]IJAZ F,RIAZ M,KHAN N M,et al.Elliptical channel model employing propagation of signals in 3D space[C]// 2016 International Conference on Emerging Technologies (ICET).IEEE,2016.
[2]BALTZIS K B.A Generalized Elliptical Scattering Model for the Spatial Characteristics of Mobile Channels[J].Wireless Personal Communications,2012,67(4):971-984.
[3]江浩,张在琛,党建,等.三维空间非平稳车载几何信道模型的研究分析[J].电子学报,2018,46(5):1265-1268.
[4]JANASWAMY,R.Angle of arrival statistics for a 3-D spheroid model[J].IEEE Transactions on Vehicular Technology,2002,51(5):1242-1247.
[5]NAWAZ S J,QURESHI B H,KHAN N M.Angle of arrival statistics for 3-D macrocell environment using directional antenna at BS[C]// IEEE International Multitopic Conference.IEEE,2009.
[6]NAWAZ S J,QURESHI B H,KHAN N M,et al.Effect of directional antenna on the spatial characteristics of 3-D macrocell environment[C]// International Conference on Future Computer & Communication.IEEE,2010.
[7]AHMED A,GULFAM S M,NAWAZ S J,et al.Doppler Spectrum and Second Order Fadingstatistics of Emerging 3-D Radio Cellular Propagation Channels[C]// European Conference on Antennas & Propagation.IEEE,2017.
[8]AHMED A,NAWAZ S J,KHAN N M,et al.Angular characteristics of a unified 3-D scattering model for emerging cellular networks[C]// IEEE International Conference on Communications.IEEE,2015.
[9]WANI M Y,RIAZ M,KHAN N M.Modeling and Characterization of MIMO Mobile-to-Mobile Communication Channels Using Elliptical Scattering Geometry[J].Wireless Personal Communications,2016,91(2):509-524.
[10]WANI M Y,KHAN N M.Characterization of 3D Elliptical Spatial Channel Model for MIMO Mobile-to-Mobile Communication Environment[J].Wireless Personal Communications,2017,96(4):6325-6344.
[11]BALTZIS K B,SAHALOS J N.A Simple 3-D Geometric Channel Model for Macrocell Mobile Communications[J].Wireless Personal Communications,2009,51(2):329-347.
[12]周杰,姚颖莉,罗宏,等.基于三维空间域的宏小区移动通信正向链路信道参数估计[J].华南理工大学学报(自然科学版),2016,44(9):81:86.
[13]IJAZ F,RIAZ M,KHAN N M,et al.Elliptical channel model employing propagation of signals in 3D space[C]// 2016 International Conference on Emerging Technologies (ICET).IEEE,2016.