无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2015年
7期
1-5,26
,共6页
王满喜%李永成%刘国柱%贾腾飞
王滿喜%李永成%劉國柱%賈騰飛
왕만희%리영성%류국주%가등비
无线信道%多径%抛物方程%信道脉冲响应函数
無線信道%多徑%拋物方程%信道脈遲響應函數
무선신도%다경%포물방정%신도맥충향응함수
wireless channel%multi-path%parabolic equation%channel impulse response function
无线信道多径传输特性是影响无线通信系统性能的重要因素之一。给出了利用抛物方程模型获得无线传输信道的冲击响应函数的方法,该方法具有计算简单、精度较高的优点。利用2D抛物方程模型对不同场景下的多径信道脉冲响应函数进行了预测仿真,仿真结果表明了基于抛物方程模型的多径信道脉冲响应函数预测模型的可行性和精确性。
無線信道多徑傳輸特性是影響無線通信繫統性能的重要因素之一。給齣瞭利用拋物方程模型穫得無線傳輸信道的遲擊響應函數的方法,該方法具有計算簡單、精度較高的優點。利用2D拋物方程模型對不同場景下的多徑信道脈遲響應函數進行瞭預測倣真,倣真結果錶明瞭基于拋物方程模型的多徑信道脈遲響應函數預測模型的可行性和精確性。
무선신도다경전수특성시영향무선통신계통성능적중요인소지일。급출료이용포물방정모형획득무선전수신도적충격향응함수적방법,해방법구유계산간단、정도교고적우점。이용2D포물방정모형대불동장경하적다경신도맥충향응함수진행료예측방진,방진결과표명료기우포물방정모형적다경신도맥충향응함수예측모형적가행성화정학성。
The multipath propagation is one of the most important factors which can impact the performance of wireless communi?cation system.The method is proposed to get the impulse response function of propagation channel just from the results of parabolic equation models.The method has such advantages as simple computation and high accuracy.The predictive simulation is performed for multipath channel impulse response function in different scenarios by using 2D parabolic equation model. The simulation results prove the feasibility and accuracy of multipath channel impulse response function predictive model based on parabolic equation model.