红外无线串行通信适配卡的设计

The Design of Infrared Wireless Serial Communication Adapter

红外无线计算机局域网技术是一门新兴的研究方向。红外无线数字通信技术与其它无线通信方式相比有宽带、高速、安全性高等特点。本文从红外无线数字通信所遵循的协议标准出发 ,给出了一种红外无线串行通信适配卡的设计方案。红外无线串行通信适配卡有四个模块 :总线接口模块 ,逻辑控制模块 ,调制解调模块 ,发射接收模块。文中给出了各个模块的原理图并进行了详细的功能分析。

The technology of infrared wireless LAN is one of the newly emerged research directions.Compared with other wireless communication technologies,it features wide bandwidth,high speed and security.Based on the IRDA protocal specification,a method for the design of the infrared wireless serial communication adapter is introduced in this paper.The adpter is composed of a bus interface module,a logic control module,an encoder/decoder and a transceiver module.The circuit figures and detailed functional analysis of these modules are presented in this article.And the experiment performance of this system is also provided.