Outage Probability of MIMO Communication System under the Influence of Correlated Phase Noise

2022 International Siberian Conference on Control and Communications (SIBCON) Pub Date : 2022-11-17 DOI:10.1109/SIBCON56144.2022.10002970

A. Parshin, Y. Parshin

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Abstract

The efficiency of MIMO communication systems depends on the presence or absence of information about the channel matrix on the receiving side and the transmitting side as well. To obtain this information, time-sequential measurement of the matrix of channel coefficients by multiplexing SIMO channels is widely used. The effect of the phase noise of the transmitter and receiver local oscillators on the measurement accuracy of the channel matrix is analyzed for different ratios of the line of sight power and the diffusion component. The fractal Brownian motion model is used to describe the long-term correlation of phase noise. The effect of channel matrix errors on the capacity of a MIMO system is considered. The analysis was carried out for the characteristics of the phase noise of the MG3690B generator and the bandwidth of the NB-IoT communication system. The results obtained make it possible to substantiate the requirements for the level of phase noise, as well as for the measurement time of the channel matrix to obtain the maximum capacity.

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相关相位噪声影响下MIMO通信系统的中断概率

MIMO通信系统的效率取决于接收端和发射端信道矩阵信息的存在与否。为了获得这些信息，广泛采用多路SIMO信道对信道系数矩阵进行时序测量。在瞄准线功率和扩散分量的不同比例下，分析了接收机和发射机本振相位噪声对信道矩阵测量精度的影响。采用分形布朗运动模型来描述相位噪声的长期相关性。考虑了信道矩阵误差对MIMO系统容量的影响。对MG3690B发生器的相位噪声特性和NB-IoT通信系统带宽进行了分析。所得到的结果可以证实对相位噪声水平的要求，以及对通道矩阵测量时间的要求，以获得最大容量。

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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2022 International Siberian Conference on Control and Communications (SIBCON)

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