通过 MAC 调度缓解 EMF 暴露
EMF Exposure Mitigation via MAC Scheduling
AI总结:
本文提出在 MAC 调度器层面采用注水功率分配,在滑动窗口内约束 EIRP 并保障用户公平,仿真表明其能以更小性能代价缓解 EMF 暴露。
摘要:
国际标准机构定义了电磁场(EMF)发射要求,这些要求可转化为对基站实际有效全向辐射功率(EIRP)的控制,即在滑动时间窗口内取平均。在本工作中,我们展示了如何通过设计一种在 MAC 调度器层面运行的注水功率分配方法来满足此类要求。我们的方法在将 EIRP 限制在由外环过程产生的某个数值的同时,确保用户间的吞吐量公平性;该外环过程并非本文关注重点。鉴于 MAC 调度器严格的计算要求,我们技术的低计算复杂度颇具吸引力。通过包含物理层和 MAC 层蜂窝流程真实建模的 massive-MIMO 系统级仿真,我们将所提方案与现有方法进行了评估。我们得出结论:所提方案有效缓解了 EMF 暴露,且对网络性能的影响显著更小,使其成为 5G 及未来 6G MAC 调度器实现中的突出候选方案。
英文摘要:
International standards bodies define Electromagnetic field (EMF) emission requirements that can be translated into control of the base station actual Effective Isotropic Radiated Power (EIRP), i.e., averaged over a sliding time window. In this work we show how to comply with such requirements by designing a water-filling power allocation method operating at the MAC scheduler level. Our method ensures throughput fairness across users while constraining the EIRP to a value that is produced by an outer-loop procedure which is not the focus of our paper. The low computational complexity of our technique is appealing given the tight computational requirements of the MAC scheduler. Our proposal is evaluated against the prior art approaches through massive-MIMO system level simulations that include realistic modeling of physical and MAC level cellular procedures. We conclude that our proposal effectively mitigates EMF exposure with considerably less impact on network performance, making it a standout candidate for 5G and future 6G MAC scheduler implementations.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。