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首页> 外文会议>2012 IEEE International Conference on Vehicular Electronics and Safety >A GPS/Wi-Fi integrated system for positioning in Cooperative Vehicle and Infrastructure System
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A GPS/Wi-Fi integrated system for positioning in Cooperative Vehicle and Infrastructure System

机译：用于协作车辆和基础设施系统中定位的GPS / Wi-Fi集成系统

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摘要

Cooperative Vehicle and Infrastructure System establishes a link between vehicles, pedestrians, roads and traffic information centers, through sharing traffic information provided by wireless communications. It contains a number of services based on location. Global Positioning System (GPS) is widely used for real-time positioning and navigation by applying satellite technology. But GPS has its own drawbacks. The most common one is that GPS receiver can't get the accurate position due to multipath effect, GPS receiver internal noise and some other reasons. This paper presents a novel positioning method that Road Side Units (RSU) distribute the local map information through Wi-Fi, On Board Units (OBU) equipped with GPS receivers and Wi-Fi devices receive the map and use the map matching algorithm to locate on the map to get precise location information. The experiments validate that the proposed system can achieve higher accuracy than the raw data from GPS device.
机译：车辆和基础设施合作系统通过共享无线通信提供的交通信息，在车辆，行人，道路和交通信息中心之间建立链接。它包含许多基于位置的服务。全球定位系统（GPS）通过应用卫星技术被广泛用于实时定位和导航。但是GPS有其自身的缺点。最常见的一种是GPS接收器由于多径效应，GPS接收器内部噪声和其他一些原因而无法获得准确的位置。本文提出了一种新颖的定位方法：路边单元（RSU）通过Wi-Fi分发本地地图信息，配备GPS接收器的车载单元（OBU）和Wi-Fi设备接收地图并使用地图匹配算法进行定位在地图上获取准确的位置信息。实验证明，所提出的系统比GPS原始数据具有更高的精度。

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