Novel sum-of-sinusoids simulation channel modeling for 6G multiple-input multiple-output vehicle-to-everything communications

Hao Jiang, Hongming Zhang, Ting Liu
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Abstract

In this paper, a statistical cluster-based simulation channel model with a finite number of sinusoids is proposed for depicting the multiple-input multiple-output (MIMO) communications in vehicle-to-everything (V2X) environments. In the proposed sum-of-sinusoids (SoS) channel model, the waves that emerge from the transmitter undergo line-of-sight (LoS) and non-line-of-sight (NLoS) propagation to the receiver, which makes the model suitable for describing numerous V2X wireless communication scenarios for sixth-generation (6G). We derive expressions for the real and imaginary parts of the complex channel impulse response (CIR), which characterize the physical propagation characteristics of V2X wireless channels. The statistical properties of the real and imaginary parts of the complex CIRs, i.e., autocorrelation functions (ACFs), Doppler power spectral densities (PSDs), cross-correlation functions (CCFs), and variances of ACFs and CCFs, are derived and discussed. Simulation results are generated and match those predicted by the underlying theory, demonstrating the accuracy of our derivation and analysis. The proposed framework and underlying theory arise as an efficient tool to investigate the statistical properties of 6G MIMO V2X communication systems.
用于 6G 多输入多输出车对车通信的新型正弦波总和模拟信道建模
本文提出了一种基于统计簇的模拟信道模型,该模型具有有限数量的正弦波,用于描述车对物(V2X)环境中的多输入多输出(MIMO)通信。在所提出的正弦波之和(SoS)信道模型中,从发射器发出的波经过视距(LoS)和非视距(NLoS)传播到达接收器,这使得该模型适用于描述第六代(6G)的众多 V2X 无线通信场景。我们推导出复数信道脉冲响应(CIR)实部和虚部的表达式,这些表达式描述了 V2X 无线信道的物理传播特性。我们还推导并讨论了复信道脉冲响应实部和虚部的统计特性,即自相关函数(ACF)、多普勒功率谱密度(PSD)、交叉相关函数(CCF)以及 ACF 和 CCF 的方差。生成的模拟结果与基础理论预测的结果一致,证明了我们的推导和分析的准确性。所提出的框架和基础理论是研究 6G MIMO V2X 通信系统统计特性的有效工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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