Evaluation of LTE-based 5G Terrestrial Broadcasting Systems for Mobile Reception Based on Average Mutual Information Analysis

IEEE international Symposium on Broadband Multimedia Systems and Broadcasting Pub Date : 2023-06-14 DOI:10.1109/BMSB58369.2023.10211111

Zhitong He, Kewu Peng, Boran Sun, Dmitry A. Tkachenko, Eugene A. Popov, S. Makarov, Jian Song

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引用次数: 2

Abstract

LTE-based 5G terrestrial broadcast, which is standardized in 3GPP Rel-14 and Rel-16, is one of the two technical evolutional-routes of 5G broadcast. In physical layer, the mobile reception performance loss of LTE-based 5G terrestrial broadcast majorly stems from numerology, coded modulation, interleave depth and channel estimation. Among these factors, interleave depth directly affects the mobile reception performance at different speeds, and low-speed mobile reception puts forward higher requirements of interleave depth. In this paper, the typical configuration of LTE-based 5G terrestrial broadcast is selected, and how interleave depth influences the mobile reception performance is revealed based on the analysis of average mutual information (AMI) probability density distribution and outage probability over small-scale Rayleigh fading channels. The analysis results show that the mobile reception performance could be significantly improved by appropriately increasing the interleave depth. Hence increasing interleave depth could be considered for the evolution of LTE-based 5G terrestrial broadcast towards the next generation mobile broadcast systems.

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基于平均互信息分析的基于lte的5G地面广播系统移动接收评估

基于lte的5G地面广播是5G广播的两条技术演进路线之一，在3GPP Rel-14和Rel-16中进行了标准化。在物理层，基于lte的5G地面广播的移动接收性能损失主要来自数字学、编码调制、交错深度和信道估计。其中，交错深度直接影响不同速度下的移动接收性能，低速移动接收对交错深度提出了更高的要求。本文选择了基于lte的5G地面广播的典型配置，通过分析小规模瑞利衰落信道的平均互信息(AMI)概率密度分布和中断概率，揭示了交错深度对移动接收性能的影响。分析结果表明，适当增加交错深度可显著提高移动接收性能。因此，可以考虑增加交错深度，以实现基于lte的5G地面广播向下一代移动广播系统的演进。

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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IEEE international Symposium on Broadband Multimedia Systems and Broadcasting

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