线性极化对5G蜂窝通信信道建模的影响:一种统计方法

Rifat Hasan, M. Mowla, M. Khatun
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引用次数: 2

摘要

毫米波(mmWave)被认为是利用其巨大的带宽来满足快速增长的无线移动业务需求的重要创新。然而,由于信道对天气的高度依赖性和视距通信的天线定位,信道建模仍然很困难。共极化和交叉极化(X-pol)是发射波辐射方向的两个主要事件;其中发射波的期望方向表示共pol,期望方向的正交传播表示X-pol。本文利用新型仿真器NYUSIM对两种确定的毫米波频段(28 GHz和73 GHz)的统计信道建模进行了极化影响的广泛分析。采用时间簇和空间波束相结合的三维统计空间信道模型(SSCM)模拟了一个真实的城市微蜂窝场景。仿真结果显示了28 GHz和73 GHz Co-pol和X-pol的三维信道特性(AoA、AoD和路径损耗)和各种功率延迟分布(定向、全向和小规模)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Impact of Linear Polarization on Channel Modeling in 5G Cellular Communications: A Statistical Approach
Millimeter wave (mmWave) is perceived as an essential innovation so as to meet the rapid increment of wireless mobile traffic request utilizing its massive bandwidth. However, channel modeling is still difficult for its high weather dependency and antenna positioning for line-of-sight (LOS) communication. Co-polarization and cross polarization(X-pol) are two main incidents of radiation pattern direction for transmitting wave; where the desired direction of transmitting wave indicates co-pol and orthogonal propagation of the desired direction represents X-pol. This paper presents an extensive analysis of polarization impact on a statistical channel modeling for two definite front-runners of mmWave bands (28 GHz & 73 GHz) by a novel simulator NYUSIM. We simulate a realistic urban microcell scenario using the 3-D statistical spatial channel model (SSCM) that is adopted by time cluster and spatial beam approach. Simulation results present 3-D channel characteristics (AoA, AoD, and path loss) and various power delay profiles (directional, omnidirectional, and small scale) for Co-pol and X-pol in 28 GHz and 73 GHz.
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