适应性射频前端架构用于航空电子中的多频段SDR
Behnam Shakibafar1, Farzan Farhangian1, Jean-Marc Gagne1
1LASSENA Laboratory, Department of Electrical Engineering, École de Technologie Supérieure, Montreal, QC H3C-1K3, Canada.
Sensors (Basel, Switzerland)
|September 28, 2024
概括
软件定义无线电 (SDR) 的新可重新配置的无线电频率前端架构增强了航空通信. 这种敏捷的设计改善了频谱使用,信号完整性和系统效率,降低了尺寸和电力成本.
科学领域:
- 电气工程 电气工程
- 航空航天工程 航空航天工程
- 通信工程 通信工程
背景情况:
- 可靠的通信,导航和监控系统对于航空安全至关重要.
- 现有的射频前端 (RFFE) 架构可能会限制软件定义无线电 (SDR) 在动态航空环境中的适应性和效率.
- 需要多功能和高效的RFFE解决方案是提高航空中的连接性和安全标准的关键.
研究的目的:
- 引入和评估适合航空需求的SDR可重新配置和敏捷的RFFE架构.
- 为了证明这种灵活的RFFE在SDR中集成,专注于关键组件和RF路径.
- 为了验证性能增强,并解决航空应用的尺寸,重量和电力成本 (SWaP-C) 考虑.
主要方法:
- 设计和集成用于SDR的新型RFFE架构,包括接收器,发射器,射频开关,组合器和分割器.
- 综合性性能评估,包括对接收器增益,线性和双色球测试结果的分析.
- 评估SWaP-C指标并与现有解决方案进行比较.
主要成果:
- 拟议的RFFE架构通过适应不同的信号要求,频率和协议,显著提高SDR性能.
- 在频谱利用,信号完整性和整体系统效率方面取得了明显的改进.
- 单板RFFE解决方案可将尺寸和重量降低高达18 dB的增益,将无线电通道管理能力提高三倍,并提供显著的SWaP-C增益.
结论:
- 可重新配置和灵活的RFFE架构非常适合航空无线电,提供更高的可靠性和功能.
- 这一创新为航空通信系统的运营效率和成本效益带来了巨大的收益.
- 架构的灵活性可以实现无的软件转换和优越的多无线电频道管理功能.
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