虚拟式直接序列扩频通信电台的研究

Direct Sequence Spread Spectrum Radio Based on Virtual Technique

文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。使用虚拟技术 ,系统具有易于实现、开发快捷、性能改进灵活、容易与其它应用结合、有利于新标准的推广等优点。文中论述了虚拟式直接序列扩频通信电台原理 ,包括发射方、接收方的结构和多址通信的原理 ,并详细讨论了电台实现硬件和软件情况 ,最后进行了计算机模拟仿真 ,结果令人满意。

Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined. By using virtual technique, the system has many advantages such as easy to realize, fast to develop, flexible to improve the capability, beneficial to apply new standards. The principles of direct sequence spread spectrum radio based on virtual technique, including structure of sending and receiving, are described. Hardware and software of radio are introduced in detail. The result of simulation proves that the radio can fulfill the expected functions.