多小区和不完美 CSI 环境下大规模 MIMO 系统的中断概率分析

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEICE Communications Express Pub Date : 2024-02-16 DOI:10.23919/comex.2023XBL0175

Koki Miyamoto;Koji Nishibe;Takanori Shibakura;Kosuke Tamura;Jaesang Cha;Seongchul Cho;Chang-Jun Ahn

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引用次数: 0

摘要

我们分析了在多小区情况下采用最大比率传输（MRT）的大规模多输入多输出（MIMO）系统的中断概率。随着小区规模越来越小，更有必要考虑邻小区的干扰来分析中断概率。在多小区环境下，信道估计错误和小区间干扰（ICI）会严重影响通信性能。我们研究了大规模多输入多输出（MIMO）系统中信噪比（SINR）的分布，并为中断概率建立了一个新的数学模型。仿真结果表明了推导出的数学模型的有效性。

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Analysis of Outage Probability for Massive MIMO Systems Under Multi-Cell and Imperfect CSI Environments

We analyze the outage probability for a massive multiple-input-multiple-output (MIMO) system employing maximum ratio transmission (MRT) under a multi-cell scenario. As cells become smaller, it will be even more necessary to analyze the outage probability considering interference from neighboring cells. Under a multi-cell environment, communication performance can be substantially compromised by channel estimation errors and inter-cell interference (ICI). We investigate the distribution of signal-to-interference and noise ratio (SINR) in a massive MIMO system and formulate a novel mathematical model for the outage probability. Simulation results show the validity of the derived mathematical model.

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来源期刊

IEICE Communications Express ENGINEERING, ELECTRICAL & ELECTRONIC-

自引率

33.30%

发文量

114