在LDACS中用于GAE增强干扰缓解的基于ROAD值的检测
Miziya Keshkar1, Raja Muthalagu2, Abdul Rajak1
1Department of Electrical and Electronics Engineering, Birla Institute Of Technology and Science Dubai Campus, Academic City, 345055, Dubai, United Arab Emirates.
Scientific reports
|September 30, 2024
概括
新的L频段数字航空通信系统 (LDACS) 方法有效地减轻了距离测量设备 (DME) 的干扰. 这些基于排序绝对差异 (ROAD) 的技术提高了空中交通管理的安全性和效率.
科学领域:
- 航空工程 航空工程
- 电信 电信服务 电信服务 电信服务
- 信号处理 信号处理
背景情况:
- 空中交通增长给现有的空中交通管理 (ATM) 系统带来了压力,特别是VHF通信频段.
- 为现代化的ATM引入L频段数字航空通信系统 (LDACS),需要与传统系统共存.
- 干扰,特别是距离测量设备 (DME) 的干扰,对LDACS和飞行安全构成严重威胁.
研究的目的:
- 为LDACS提出和分析新的干扰缓解技术.
- 为了应对L频段频谱内的DME干扰的挑战.
- 提高未来空中交通通信系统的可靠性和安全性.
主要方法:
- 开发一个LDACS接收器原型,利用排序绝对差异 (ROAD) 统计.
- 实施四种GAE增强的脉冲峰值处理方法 (RGPPA,RGPPL,RJGPPA,RJGPPL) 来检测和减轻DME干扰.
- 与传统脉冲空白,GAE增强的非线性设备和ROAD PB方法在各种信号条件和ROAD值之间进行比较性能分析.
主要成果:
- 与现有技术相比,提出的基于ROAD的方法在检测和减轻DME干扰方面表现优异.
- RGPPA,RGPPL,RJGPPA和RJGPPL的性能明显优于传统的脉冲空白和ROAD PB.
- 这些新方法在最佳 ROAD 值下显示出比现有的 GAE 增强方法更高的有效性.
结论:
- 建议的干扰减轻技术为管理LDACS.LDACS中的DME干扰提供了一个强大的解决方案.
- ROAD统计数据与GAE增强的脉冲峰值处理相结合,在航空通信可靠性方面取得了重大进展.
- 这些发现有助于确保未来空中交通管理系统的安全性,效率和容量.
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