In the first place, the influence of carrier frequency, symbol-timing and sampling-timing offset has been discussed.
首先分析了载波频率、符号定时和样值定时偏差对系统性能的影响,得出结论:载波频率和符号定时偏差是影响系统同步性能的主要因素。
参考来源 - OFDM系统同步与信道估计研究Then Based on the cyclostationarity of OFDM symbol, a synchronization algorithm for the joint estimation of timing offset and frequency offset is proposed and discussed in detail.
并在此基础之上提出了一个基于循环平稳的OFDM定时偏移和频率偏移的联合估计算法。
参考来源 - OFDM系统载频和定时同步算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, based on the recovered single user training signal, each user 'timing offset can be estimated.
最后，基于恢复的单用户训练信号对每个用户的时间偏移进行估计。
The influences of timing offset and carrier phase offset on the performances of MPAM and MQAM are analyzed.
文中分析了同步偏差即定时偏差和载波恢复相差对MPAM和MQAM接收性能的影响。
However, there are well-known shortcomings of OFDM technology: the timing offset and frequency offset is very sensitive.
但是OFDM技术有众所周知的缺点：对定时偏差和频率偏差十分敏感。
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