摘要
软件无线电是关于使用固定硬件平台,通过加载各种应用软件,实现通信物理层的一部分或全部功能的设计思想的定义,具有选用不同种类的软件可实现不同的功能的特性;根据软件无线电技术的要求,设计了基于“ADC+FPGA+DAC”的处理模式,通过通信接口将结果发送给主机,将模拟信号转化成数字信号供主机进行处理;测试结果显示,当输入IF信号的信噪比(SNR)大于10dB时,MSK解调的误码率(BER)平均优于10-6,通信的误码率(BER)平均优于10-6,满足无线通信的一般要求;与传统的信号处理模式相比,该模式具有体积小,功耗低,可配置和可编程的优点,应用前景广泛。
Software radio is a definition of the design idea of using fixed hardware platform to realize part or all functions of communication physical layer by loading various application software.It has the characteristics that different kinds of software can achieve different functions.According to the requirement of software radio technology,a processing mode based on“ADC+FPGA+DAC”was designed.The result was sent to the host through communication interface,and the analog signal was converted into digital signal for the host to process.The test results showed that when the signal-to-noise ratio(SNR)of the input IF signal was greater than 10 dB,the BER of MSK demodulation was better than 10-6 on average,and the BER of communication was better than 10-6 on average,which meet the general requirements of wireless communication.Compared with the traditional signal processing mode,this mode had the advantages of small size,low power consumption,configurable and programmable,and wide application prospects.
作者
张迪
韩爽
Zhang Di;Han Shuang(Fourth Affiliated Hospital of Harbin Medical University,Harbin 150001,China)
出处
《计算机测量与控制》
2019年第11期220-223,共4页
Computer Measurement &Control
作者简介
张迪(1983-),男,黑龙江齐齐哈尔人,主要从事助理工程师,从事信息化技术设计与管理等方向的研究。
