ofdm系统中的信道编码和调制方式，是比较全面的模仿了无线信道的一些干扰特性-OFDM system channel coding and modulation method is more comprehensive to imitate some of the wireless channel interference characteristics of

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

OFDM无线系统中，一种有效降低PAPR的方法，基于随机性高的特点，获得相关性很低的通信信号-OFDM wireless system, a method for effectively reducing PAPR, based on the probabilistic characteristics of high correlation of the communication signal to obtain a low