无线通信中的定位技术及其业务

无线定位已应用于导航、交通、工程与抢险等许多领域。目前，通过无线通信系统进行定位正以其廉价和灵活的特点受到各方面的关注。基于此项技术的产品与业务已经推出并得到了广泛的应用。随着无线通信技术的发展，数据速率和处理能力的不断提高，它必将有一个美好的前景。文章首先引入了无线通信中的定位技术，介绍了基于此项技术的定位业务，在国内外的应用情况，最后指出了无线定位业务发展需注意的问题。

Position location technology of wireless communication and the service based on it

Wireless position location has been employed in many domains, such as navigation, traffic, engineering, rescue and so on. Now, the position location technology, based on wireless communication systems, has been given more attentions because it is cheap and flexible. The products and services, based on these technologies, have been provided and widely used. With the development of wireless communication technology, we can predict that they would be prosperous in the future. This paper first describes the position location technology of wireless communication, and then introduces the services based on it and its using status in China and foreign countries, and at last points out the problems in the development of position location service.