论文标题

在有限-SNR处的多安特纳(Multi-Antenna)编码缓存:分解增益结构

Multi-antenna Coded Caching at Finite-SNR: Breaking Down the Gain Structure

论文作者

Salehi, MohammadJavad, Tölli, Antti

论文摘要

多安德纳纳编码的缓存(CC)技术被认为是在未来网络中实现较高数据速率的可行选择,尤其是对于多媒体驱动应用的著名用例。然而,尽管对文献进行了彻底研究的信息理论分析,但有关多端Aantenna CC技术的有限SNR性能的研究尚未成熟。在本文中,我们尝试通过分解,分类和研究影响多个Multi-Antenna CC方案的有限SNR性能的六个关键参数的效果来弥合这一差距。我们还研究了不同参数的相互作用,并阐明了它们如何通过必要的计算和子包装来影响实现复杂性。通过数值分析遵循理论讨论并验证。

Multi-antenna coded caching (CC) techniques are considered viable options for achieving higher data rates in future networks, especially for the prominent use case of multimedia-driven applications. However, despite their information-theoretic analyses, which are thoroughly studied in the literature, the research on the finite-SNR performance of multi-antenna CC techniques is not yet mature. In this paper, we try bridging this gap by breaking down, categorizing, and studying the effect of six crucial parameters affecting the finite-SNR performance of multi-antenna CC schemes. We also investigate the interaction of different parameters and clarify how they could affect the implementation complexity in terms of the necessary computation and subpacketization. Theoretical discussions are followed and verified by numerical analysis.

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