室内定位关键技术综述

近年来,位置服务需求不断增长,催生了定位技术的不断发展。针对室内定位,首先介绍了目前广泛应用的几种室内定位系统及其定位原理,并分析了它们的优缺点。然后,针对室内定位中常见的几类关键问题,做出了介绍分析。最后,通过分析现有定位技术,给出了室内定位技术的发展趋势,表明融合定位及导航通信一体化定位是提高定位精度及鲁棒性的有效方法,毫米波及MIMO技术的应用可有效提高测距精度并提高抗多径能力。

A Survey of Key Technology for Indoor Positioning

The increasing requirement of Location Based Services in recent years has become a driving force for the developing of positioning technology. Firstly, several indoor positioning systems which are widely used at present are introduced and their advantages and disadvantages are analyzed. Then, some key technologies of indoor positioning are introduced. At last, by analyzing the current positioning technology, the trends of indoor positioning are given. It is demonstrated that this hybrid positioning and navigation-communication integrated positioning can improve the positioning accuracy and robustness effectively. The usage of MMW and MIMO technology can improve the measurement accuracy and the anti-multipath ability.