| OFDM系统的研究及软件无线电实现 |
| |
| 引用本文： | 刘波粒,刘泽军.OFDM系统的研究及软件无线电实现[J].无线电通信技术,2007,33(4):53-56. |
| |
| 作者姓名： | 刘波粒 刘泽军 |
| |
| 作者单位： | 1. 河北师范大学职业技术学院电子系,河北,石家庄,050031
2. 河北师范大学教务处,河北,石家庄,050016 |
| |
| 摘 要： | OFDM系统有直接实现和DSP实现2种方法。在分析OFDM系统时发现,采用DFT方法处理OFDM不仅大大简化调制解调器的设计,而且可以在DSP芯片和硬件结构中快速实现FFT计算,因此在考虑OFDM系统的调制解调原理、系统采取的抗干扰能力的举措、利用DSP技术和FFT快速算法的基础上,设计了一个以DSP和FPGA为核心的实现OFDM发送、接收系统的方案。
|
| 关 键 词： | OFDM系统 软件无线电 循环前缀 DSP FPGA |
| 文章编号： | 1003-3114（2007）04-53-4 |
| 修稿时间： | 2006-12-22 |
Research on OFDM System and Implementation of Software Radio |
| |
| LIU Bo-li,LIU Ze-jun.Research on OFDM System and Implementation of Software Radio[J].Radio Communications Technology,2007,33(4):53-56. |
| |
| Authors: | LIU Bo-li LIU Ze-jun |
| |
| Affiliation: | 1. Department of Electronics,Vocational And Technical Education College, Hebei Teachers University, Shijiazhuang Hebei 050031, China; 2. Educational Administration Department of Hebei Normal University, Shijiazhuang Hebei 050016, China |
| |
| Abstract: | For OFDM system,there are two implementation methods,such as direct implementation method and DSP implementation method.Through analysis for OFDM system,we discover that when we use DFT to process OFDM system,it can not only simplify the design of modem,but also achieve high-speed FFT calculation in the DSP chip and the hardware architecture.Therefore,on the basis of DSP technology and high-speed FFT algorithm,modulation and demodulation theory and improvement of anti-jamming capability in OFDM system,this paper designs a scheme in which we take DSP and FPGA as the core to implement OFDM transmitting and receiving system. |
| |
| Keywords: | DSP FPGA |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
