在有意干扰器的干扰缓解有助于非统一的异质蜂网络
Saleh Mohammed Ghonaim1, Samar Khan2, Faisal Althobiani3
1Nautical Science Department, Faculty of Maritime, King Abdulaziz University, Jeddah, Saudi Arabia.
PloS one
|June 28, 2023
概括
这项研究优化了第五代 (5G) 网络,使用小基站 (SBS) 沉默和反向频率分配 (RFA) 来减少干扰. 这些方法改善了宏观基站 (MBS) 网络的上行覆盖范围和信号干扰比 (SIR).
科学领域:
- 电信工程 电信工程 电信工程
- 无线通信系统无线通信系统
背景情况:
- 第五代 (5G) 网络使用小基站 (SBS) 与宏基站 (MBS) 一起,以提高覆盖率和容量.
- 在5G网络中,直角频率分割多重接入 (OFDMA) 可以导致显著的细胞间干扰 (ICI).
- 有故意的干扰器的存在进一步降低了通过故意的干扰器干扰 (IJI) 的上链 (UL) 信号与干扰比率 (SIR).
研究的目的:
- 为5G网络提出和评估新的干扰减缓技术.
- 解决细胞间干扰 (ICI) 和故意干扰器干扰 (IJI) 的联合挑战.
- 在干扰条件下,在5G网络中增强上联 (UL) 覆盖性能.
主要方法:
- 实施小型基站 (SBS) 沉默,特别是关闭在宏观基站 (MBS) 附近的SBS.
- 应用反向频率分配 (RFA) 作为干扰管理方案.
- 在模拟干扰场景下分析拟议的网络模型的性能.
主要成果:
- SBS 变有效地减少了细胞间干扰 (ICI) 和故意干扰者干扰 (IJI).
- 反向频率分配 (RFA) 进一步减轻了剩余的ICI和IJI.
- 组合技术显示出可以显著改善上链 (UL) 信号与干扰比率 (SIR) 的潜力.
结论:
- 与RFA相结合的SBS变音的拟议方法在管理5G网络中的干扰方面是有效的.
- 这些干扰缓解策略对于改善上行连接 (UL) 覆盖率和整体系统性能至关重要.
- 该研究提供了一种可行的解决方案,用于增强5G网络对内部和外部干扰源的弹性.
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