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Efficient Uplink Modeling for Dynamic System-Level Simulations of Cellular and Mobile Networks

机译:蜂窝和移动网络动态系统级仿真的有效上行链路建模

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摘要

A novel theoretical framework for uplink simulations is proposed. It allows investigations which have to cover a very long (real-) time and which at the same time require a certain level of accuracy in terms of radio resource management, quality of service, and mobility. This is of particular importance for simulations of self-organizing networks. For this purpose, conventional system level simulators are not suitable due to slow simulation speeds far beyond real-time. Simpler, snapshot-based tools are lacking the aforementioned accuracy. The runtime improvements are achieved by deriving abstract theoretical models for the MAC layer behavior. The focus in this work is long term evolution, and the most important uplink effects such as fluctuating interference, power control, power limitation, adaptive transmission bandwidth, and control channel limitations are considered. Limitations of the abstract models will be discussed as well. Exemplary results are given at the end to demonstrate the capability of the derived framework.
机译:提出了一种新型的上行链路仿真理论框架。它允许进行调查,这些调查必须涵盖很长的(实时)时间,并且同时在无线电资源管理,服务质量和移动性方面需要一定的准确性。这对于模拟自组织网络特别重要。为此,传统的系统级模拟器不适合,因为其慢的模拟速度远远超出了实时性。更简单的基于快照的工具缺乏上述准确性。通过为MAC层行为导出抽象的理论模型,可以实现运行时的改进。这项工作的重点是长期演进,并考虑了最重要的上行链路影响,例如波动干扰,功率控制,功率限制,自适应传输带宽和控制信道限制。还将讨论抽象模型的局限性。最后给出示例性结果,以证明派生框架的功能。

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