正交频分复用技术是近年来发展起来的新技术,在高速无线数据传输领域有很大的应用前景。文章在分析和总结相关文献的基础上,介绍了正交频分复用(OFDM)技术的发展历史,讨论了正交频分复用技术的基本原理和实现方法。通过分析表明,在高速无线通信中OFDM对于消除符号间干扰(ISI),降低系统的复杂度等方面具有很大优势。正交频分复用(OFDM)是一种多载波宽带数字调制技术,它能有效地克服传输中的多径干扰和消除码间串扰,适合于高速率的地面信道视频传输。本文就OFDM技术进行了较为详尽的分析,并对OFDM的传输

scr ipt for computing the BER for BPSK modulation in 3 tap ISI channel. Zero Forcing equalization with 3/5/7/9 tap is performed and the BER computed

scr ipt for computing the BER for BPSK modulation in 3 tap ISI channel. Minimum Mean Square Error (MMSE) equalization with 7 tap and the BER computed (and is compared with Zero Forcing equalization)

基于kalman算法的自适应信道均衡器，用来纠正多径效应带来的码间串扰-Kalman algorithm based adaptive channel equalizer is used to correct multipath effects caused by ISI