关键词: 临近空间, 高动态飞行器, 雨衰, 多径, 黑障, 通信系统

Abstract: Near-space high dynamic vehicles are susceptible to spatial interference, which lower the quality of the communication system. The three main spatial interferences, rain attenuation, multipath and blackout, are analyzed and comprehensively modeled. The attenuation characteristics and the modeling method of blackout are studied in detail. Furthermore, a down the line communication system for near-space high dynamic vehicles is proposed based on the channel characteristics. Simulation results reveal that the communication system meets the transmission requirement of the near-space high dynamic vehicles. The presented communication scheme is effective and provides a theoretical reference for the design of communication system for future near-space high dynamic vehicles.

Key words: near-space, high dynamic vehicles, rain failure, multipath, blackout, communication system