一种基于软件无线电的扩频通信电台设计

Design of a Spread Spectrum Communication Radio Based on Software Radio

该文提出了一种直接扩频电台的软件无线电实现方案,具体讨论了系统的参数指标设定,给出了中频数字部分的实现原理以及硬件框图。并对所提出的设计方案进行了硬件设计,硬件实验结果验证了设计方案的可行性。该扩频电台采用模块化设计,尽可能使用现有的可编程器件通过软件编程实现各种功能。优点是结构简单,灵活性好,可扩展能力强。

A software radio realization scheme of direct serial spreading spectrum radio is provided and simulated in this paper.The decision of system parameter is discussed in detail.The implemented principle of IF part and the structure of hardware are also revealed in this paper.The result of simulation proves that the radio can fulfill the expected functions.The radio consists of independent blocks and realizes as more functions as possible by programmable device in hand.The radio has the advantages such as simple,flexible and scalable.