基于无线移动衰落信道下的多天线系统(Multiple Input Multiple Output,MIMO)传输模型和信号周期平稳特性理论,研究了基于垂直分层空时码(Vertical Bell Laboratories Layered Space Time,V-BLAST)技术的MIMO信号的周期平稳特性。理论...基于无线移动衰落信道下的多天线系统(Multiple Input Multiple Output,MIMO)传输模型和信号周期平稳特性理论,研究了基于垂直分层空时码(Vertical Bell Laboratories Layered Space Time,V-BLAST)技术的MIMO信号的周期平稳特性。理论分析和仿真结果显示:衰落信道下的MIMO系统接收信号具有周期平稳特性,如果对接收信号进行过抽样,则可以获得具有周期平稳特性的接收序列,从而可以利用周期平稳特性理论进行数字化的信号处理。展开更多
With the deployment of small cells and device to device communications in future heterogeneous networks,in many situations we would encounter mobile radio channels with partly blocked line of sight component,which are...With the deployment of small cells and device to device communications in future heterogeneous networks,in many situations we would encounter mobile radio channels with partly blocked line of sight component,which are well modeled by the Rician shadowed(RS) fading channel.In this paper,by the usage of Kummer transformation,a simplified representation of the RS fading channel with integral fading parameter is given.It is a finite series representation involving only exponential function and low order polynomials.This allows engineers not only the closed-form expressions for exact performance analysis over RS fading channel,but also the insights on the system design tactics.展开更多
文摘基于无线移动衰落信道下的多天线系统(Multiple Input Multiple Output,MIMO)传输模型和信号周期平稳特性理论,研究了基于垂直分层空时码(Vertical Bell Laboratories Layered Space Time,V-BLAST)技术的MIMO信号的周期平稳特性。理论分析和仿真结果显示:衰落信道下的MIMO系统接收信号具有周期平稳特性,如果对接收信号进行过抽样,则可以获得具有周期平稳特性的接收序列,从而可以利用周期平稳特性理论进行数字化的信号处理。
基金sponsored by the National Natural Science Foundation of China under grant No.61171089the Training Program of the Major Research Plan of the National Natural Science Foundation of China under grant No.91438104
文摘With the deployment of small cells and device to device communications in future heterogeneous networks,in many situations we would encounter mobile radio channels with partly blocked line of sight component,which are well modeled by the Rician shadowed(RS) fading channel.In this paper,by the usage of Kummer transformation,a simplified representation of the RS fading channel with integral fading parameter is given.It is a finite series representation involving only exponential function and low order polynomials.This allows engineers not only the closed-form expressions for exact performance analysis over RS fading channel,but also the insights on the system design tactics.
