综合考虑通信和计算网络资源的云无线接入网性能评估

Ekaterina Mpantola, J. Vardakas, M. Louta
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引用次数: 0

摘要

随着5G技术的引入,电信行业进入了一个发生巨大变化的阶段。随着通信量负荷的迅速增加和新的网络需求的出现,需要开发一种能够支持高效率、提高传输速率和低延迟网络的网络架构。C-RAN架构能够应对所有这些挑战,同时专注于基站(BS)中功能分离的创新,其中基带单元(BBU)与远程无线电头(RRH)分离。它的成功实施能够带来显著的效益,其中成本的降低、新的网络需求和业务的进入以及网络灵活性的增强是主要的。在本文中,我们通过应用特定的电信业务模型:多速率损失模型和重试模型来对这种类型的网络进行分析。多速率损耗模型是指服务不同类型业务的系统,只有存在可用的业务单元时,系统才会接受这些业务的调用。重试模型允许被拒绝的调用重新连接到系统,从而降低了丢失呼叫的机会,从而降低了网络性能。通过对阻塞概率的比较,我们可以得出这些模型在C-RAN网络中的效率,从而对网络的整体性能进行评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance evaluation of Cloud Radio Access Networks by jointly considering communicational and computational network resources
With the introduction of 5G technology, telecommunications industry enters a stage where remarkable changes occur. The rapid increase of traffic load combined with the emergence of new network requirements has led to the need of developing a network architecture capable of supporting a network of high efficiency, improved transmission rates and low latency. C-RAN architecture is able to meet all these challenges, while focuses on the innovation of a functional split in the Base Station (BS) where the Baseband Units - BBU is detached from the Remote Radio Heads - RRH. Its successful implementation is able to bring significant benefits where among them cost reduction, the entrance of new network requirements and services as well as enhanced network flexibility, are the ones that dominate. In this paper, we perform the analysis of this type of network through the application of specific Teletraffic Models: the Multi-rate Loss Model and the Retry Models. The Multi-rate Loss Model refers to systems that serve different types of services, whose calls are accepted by the system if only there are service units available. The Retry Models allows rejected calls to retry their connection to the system, offering a lower chance of losing calls and thus reduced network performance. The comparison of the blocking probabilities can lead us to conclusions about the efficiency of these models in a C-RAN network and then in the evaluation of the overall network performance.
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期刊介绍: Computer Engineering and Design is supervised by China Aerospace Science and Industry Corporation and sponsored by the 706th Institute of the Second Academy of China Aerospace Science and Industry Corporation. It was founded in 1980. The purpose of the journal is to disseminate new technologies and promote academic exchanges. Since its inception, it has adhered to the principle of combining depth and breadth, theory and application, and focused on reporting cutting-edge and hot computer technologies. The journal accepts academic papers with innovative and independent academic insights, including papers on fund projects, award-winning research papers, outstanding papers at academic conferences, doctoral and master's theses, etc.
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