基于智能天线的阴影匹配技术

Shadow Matching with the Help of Intelligent Antenna

阴影匹配技术是一种新颖的全球卫星导航定位技术,用于提高城市峡谷地区的定位精度。不过,阴影匹配技术易受到反射的卫星信号的干扰,从而影响定位的可靠性。针对这一问题,提出将智能天线与阴影匹配相结合的方法,利用智能天线可以抑制干扰信号的特点对阴影匹配技术进行改进。首先给出了结合两种技术的总设计框架,然后设计了一个具体方案实例,最后针对假定场景进行了仿真验证。

Shadow matching is a new technology in global satellite navigation and positioning and it is used to improve positioning accuracy in urban canyon. Shadow matching technology, however, is vulnerable to the interference of the reflection of satellite signal, which affects the reliability of positioning. To solve this problem, it is proposed to combine intelligent antenna and shadow matching by taking the advantage of intelligent antenna＇ s ability to suppress interference signal. A general framework is designed to combine the two technologies, and then an example of the design is given. Finally, a specific program is verified by simulation.