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无人直升机多天线通信信道建模及性能分析

谭征 张晓林

谭征, 张晓林. 无人直升机多天线通信信道建模及性能分析[J]. 北京航空航天大学学报, 2010, 36(10): 1171-1175.
引用本文: 谭征, 张晓林. 无人直升机多天线通信信道建模及性能分析[J]. 北京航空航天大学学报, 2010, 36(10): 1171-1175.
Tan Zheng, Zhang Xiaolin. Modeling and performance analysis of multiple-antennae communication channel for pilotless helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1171-1175. (in Chinese)
Citation: Tan Zheng, Zhang Xiaolin. Modeling and performance analysis of multiple-antennae communication channel for pilotless helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1171-1175. (in Chinese)

无人直升机多天线通信信道建模及性能分析

详细信息
  • 中图分类号: V 243

Modeling and performance analysis of multiple-antennae communication channel for pilotless helicopter

  • 摘要: 在单天线航空信道模型的基础上,提出了一种无人直升机多天线通信信道的统计模型.分析了信道的时延扩展、多普勒扩展和角度扩展特性,研究了机身对天线的遮挡效应及多天线信号之间的干涉问题.根据模型特点建立了一种准确有效的仿真模型,给出了延迟功率谱、空间相关性、多普勒功率谱和机身遮挡效应的仿真方法.利用该模型在途中飞行、任务区盘旋和起飞/降落这3种飞行状态下对单天线和多天线信道的误码性能进行了对比仿真分析,验证了差分空时编码在无人直升机多天线通信系统中的良好性能.该模型可用于无人直升机多天线通信系统的调制和编码技术研究.

     

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出版历程
  • 收稿日期:  2009-08-27
  • 网络出版日期:  2010-10-31

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