一种基于FPGA的无线网络电话终端的研究

Research of Wireless IP Phone Based on FPGA

随着IP语音通信技术及计算机网络技术的不断发展,网络电话应用越来越普及,并已成为当今信息通信不可缺少的一部分。在分析现有网络电话终端实现方式的基础上,本文提出了一种基于FPGA且具有Wi-Fi功能的无线网络电话终端的设计方案。主要研究内容包括设计Wi-Fi通信模块,利用SOPC技术在FPGA上移植OR1200软核处理器,将嵌入式Linux操作系统移植到OR1200软核处理器上,最后设计VoIP应用软件。

With the continuous development of the IP voice communication technology and computer network technology, VolP applications are more popular than ever and have become an indispensable part of today＇s information communication. In this paper, the design based on FPGA of wireless IP phone which can work in Wi-Fi environment is proposed. The research includes designing Wi-Fi module, transplanting OR1200 soft core processor in FPGA using SOPC technology, transplanting embedded Linux operating system on OR1200, and finally designing the VolP application software.