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Baseband Processing Units Virtualization for Cloud Radio Access Networks

机译:云无线电接入网的基带处理单元虚拟化

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In cloud radio access networks (C-RANs), the baseband processing units (BBUs) from traditional base stations (BSs) are virtualized and moved into a single centralized location. By virtualization, the computing resources of BBUs can be dynamically shared among all cells, enabling a significant improvement in computing resource utilization and power efficiency. In this letter, we propose a BBUs virtualization scheme that minimizes the power consumption with a linear computational complexity order. The scheme is based on a heuristic simulated annealing (HSA) algorithm, which combines a bin packing algorithm with SA. Simulation results show that the HSA effectively decreases system power consumption when compared to standard approaches.
机译:在云无线电接入网络(C-RAN)中,来自传统基站(BS)的基带处理单元(BBU)被虚拟化并移动到单个集中位置。通过虚拟化,可以在所有单元之间动态共享BBU的计算资源,从而可以显着提高计算资源利用率和电源效率。在这封信中,我们提出了一种BBU虚拟化方案,该方案以线性计算复杂度顺序将功耗降至最低。该方案基于启发式模拟退火(HSA)算法,该算法结合了bin打包算法和SA。仿真结果表明,与标准方法相比,HSA有效降低了系统功耗。

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