Due to its frequency-selective fading channels resistance, highfrequency available rate and anti-narrow-band performance, OFDMbecomes a hot topic in communication technology.

• 正交频分复用(OFDM)因具有抗频率选择性衰落、频谱效率高和抗窄带干扰的优点，是通讯技术研究中的热点。