OFDM 技术具有频谱利用率高、成本低等特点，随着人们对通信数据化、宽带化、个人化和移动化的需求，OFDM 技术在固定无线接入领域和移动接入领域将越来越得到广泛的应用-OFDM technology has high spectrum efficiency, low cost, and communication data, broadband, personal and moving the OFDM technology will increasingly be in the field o

针对移动通信系统中多径干扰的问题，主要从以下两个方面对OFDM系统进行仿真验证：1、添加循环前缀（CP），如何降低码间干扰；2、添加均衡如何进一步提高系统的抗干扰效果。 -Mobile communication system for the problem of multipath interference, mainly from the following two aspects of OFDM system simulation: 1, add cyclic prefix (CP),