It has been used in wireless LAN standards such as DVB-T, DBA, IEEE802.11.The channel estimation techniques and timing and frequency offset estimation techniques for OFDM systems are investigated in this paper.

• 在无线局域网标准如欧洲数字电视标准DVB-T、数字音频广播(DAB)标准、IEEE802.；11系列等标准中均采用了OFDM技术。