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OFDM已经逐渐成为现在通信行业的主流,得到广泛的应用。但是OFDM系统对定时和频率偏移表现的特别敏感。特别是在与其它方式结合使用时,时域和频率的同步显得更加地重要。
OFDM has gradually become the mainstream of the communications industry and has been widely used. However, OFDM systems are particularly sensitive to timing and frequency offset performance. Especially when used in combination with other approaches, time-domain and frequency synchronization is even more important.