Opportunistic Radio and Licensed Users Coexistence in Cellular Networks

A. Pereira, A. Gameiro
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引用次数: 2

Abstract

A scenario based on an UMTS TDD opportunistic cellular system that operates over UMTS FDD licensed cellular networks is considered. Therefore we develop a simulation tool that addresses the goal of analysis and assessment of UMTS TDD opportunistic radio system in a coexistence environment with UMTS FDD primary cellular networks. The communication presents the main features of the tool, discusses and proposes metrics to evaluate the multisystem coexistence, and presents illustrative simulation results. These show that with a reasonable UMTS TDD opportunistic radio transmission power and considering realistic propagation environments, a moderate number of available frequencies allow the deployment of UMTS TDD opportunistic radio networks with small blocking probabilities
蜂窝网络中的机会无线电和许可用户共存
考虑了一种基于UMTS TDD机会蜂窝系统的方案,该方案在UMTS FDD许可蜂窝网络上运行。因此,我们开发了一个仿真工具,以解决UMTS TDD机会无线电系统在与UMTS FDD主蜂窝网络共存环境中的分析和评估目标。文中介绍了该工具的主要特点,讨论并提出了评估多系统共存的指标,并给出了说明性的仿真结果。这些表明,在合理的UMTS TDD机会无线电发射功率和考虑到实际传播环境的情况下,适当数量的可用频率允许部署具有小阻塞概率的UMTS TDD机会无线电网络
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