对频谱传感和频谱孔地理定位用于无线频谱访问的性能指标的调查
1National Institute of Telecommunications (Inatel), Santa Rita do Sapucaí 37536-001, MG, Brazil.
Sensors (Basel, Switzerland)
|June 27, 2025
概括
本调查审查了动态频谱访问 (DSA) 认知无线电网络中的频谱传感和地理位置的性能指标. 它提供了超出基本检测/错误报警率的工具,以提高可靠性,干扰性,准确性和效率.
科学领域:
- 电气工程 电气工程
- 计算机科学 计算机科学
- 电信 电信服务 电信服务 电信服务
背景情况:
- 认知无线电网络通过允许二级用户机会地利用许可频谱来实现动态频谱访问 (DSA).
- 有效的频谱传感和频谱孔地理位置对于高效的DSA操作和最小化干扰至关重要.
- 传统的绩效评估严重依赖于检测和错误报警的概率,这可能无法完全捕捉复杂的操作要求.
研究的目的:
- 在DSA认知无线电网络中对频谱传感和频谱孔地理位置相关的性能指标进行全面调查.
- 将评估框架扩展到传统指标之外,解决传感可靠性,干扰风险,空间精度和网络效率等问题.
- 为研究人员和从业人员提供实用指南和更广泛的工具来评估DSA系统性能.
主要方法:
- 在认知无线电网络中对频谱传感和地理位置的性能指标进行系统的文献综述.
- 基于其与传感可靠性,干扰,空间精度和网络效率相关性的指标的分类和分析.
- 讨论选择和应用不同的绩效指标所固有的权衡.
主要成果:
- 识别和详细审查超越标准检测和错误报警概率的专业性能指标.
- 重点是衡量传感可靠性,潜在干扰,地理位置精度和整体网络效率的指标.
- 强调各种指标之间的关键权衡,以及它们在DSA部署中的实际影响.
结论:
- 一套全面的性能指标对于对DSA认知无线电网络中的频谱传感和地理位置进行可靠评估至关重要.
- 超越传统的指标提供了对系统性能更细致的理解,并促进了实际部署.
- 该调查为研究人员和从业人员提供了有价值的评估工具,促进更有效和高效地使用无线电频谱.
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