摘要
介绍了码间干扰以及消除码间干扰常用的三种方法。并从理论上比较了三种方法的性能,为了测试验证单载波频域均衡系统的性能,搭建了仿真系统进行了计算机仿真模拟。其仿真结果表明:与时域均衡相比较,频域均衡能有效提高均衡器的收敛速度和显著改善均衡器消除符号间干扰(ISI)的性能。
This paper introduces the intersymbol interference and three technologies for eliminating it, We analyzed the performance of these technologies in theory. In order to test the performance of single-carrier frequency domain equalization, we built and then simulated the system. The simulation results show that frequency domain equalization has advantages in both convergence speed of equalizer and the performance of equalizer used to eliminate the intersymbol interference over time domain equalization.
出处
《电视技术》
北大核心
2006年第1期66-68,共3页
Video Engineering
基金
上海科委基金项目(03DZ05020)
关键词
单载波
时域均衡
频域均衡
多载波
码间干扰
single carrier, time domain equalization
frequency domain equalization
multicarrier, intersymbol interference
