1、I 摘摘 要要 可见光通信技术是 21 世纪兴起的无线光通信技术，是对光无线通信领域 的又一开拓。在可见光通信中，LED 灯的作用极为显著。LED 灯在系统中同 时起到室内照明和通信的双重功能， 是传统照明系统所无法比拟的。 在本文中， 将以可见光通信为基础，实现室内定位技术，为以后实现高精度室内定位技术 打下基础。在可见光通信定位系统中，引入了新型的移动平台安卓。安卓 的搭建将使可见光通信系统变得更加便携。 本文主要论述可见光通信系统的组成及原理，FPGA 模块的原理，以及安 卓移动平台搭建与软件开发。作者阅读了大量可见光通信系统相关文献，并在 Eclipse 平台上用 java 语言开发了
2、软件来接收从 FPGA 模块传输的数据并在坐 标系中显示出来。 本文首先介绍可见光通信系统的应用背景； 其次论述可见光通信系统的工 作原理；然后简单论述 FPGA 模块的工作原理；接着介绍及安卓移动平台及开 发的软件；然后再介绍实验中使用的芯片及；最后介绍芯片与电脑端及 FPGA 模块的连接及软件在芯片与 FPGA 相连时的结果及其分析。 关键词：关键词：可见光通信；室内定位；FPGA；安卓 II Abstract Visible light communication is a new technique of Wireless optical communication in 21cent
3、ury, which is a new development of Wireless optical communication. In the visible light communication，LED plays an important role. LED can be lighting and transmit source at the same time, which is beyond the traditional source. In this paper, we will use the visible light communication system as a
4、basement to built the indoors-positioning system so that it can be used in the further high-accuracy positioning technology study. In the visible light indoors positioning system, we introduce a new platform, android. The android platform can make the visible light indoors positioning system more co
5、nvenient to carry. This paper puts emphasis on the construction and the theory of visible light communication system, the theory of FPGA. and how to use android development tools to build android software. The author read a great amount of literature and standard papers, manage to build the software
6、 in java on the eclipse platform to receive the data from FPGA and display in the coordinate system. In this paper, the author firstly introduces the background of visible light communication. Secondly he details the theory of visible light communication system. Then, the author discusses how FPGA works. Next, he discusses what is android and how to build software in the computer, and presents the software using in the experiment. Then, he presents the chips using in the experiment. Finally, t
