Various existing synchronization algorithm to estimate symbol timing offset and carrier frequency offset can be classified into blind and pilot-aided methods and algorithm based on cyclic prefix.
目前,估计载波频率偏差和符号定时偏差的算法主要有数据辅助的方法和非数据辅助的方法以及基于循环前缀的算法。
The most critical causes yielding the ISI as well as ICI are symbol timing and carrier frequency offset which are occurred in the OFDM receiver.
而产生ISI和ICI的主要原因是在OFDM系统接收端产生的符号定时偏差和载波频率偏差。
Estimating and compensating carrier frequency offset are to achieve carrier frequency synchronization. Estimating symbol rate and correcting timing error are used to synchronize symbol.
估计并补偿频偏是为了实现载波同步,估计符号率和校正定时误差是为了实现码元同步。
We describe the synchronization technique in several keys including symbol timing, carrier frequency offset estimation and sampling clock offset estimation.
符号定时同步技术,载波频率同步技术和采样钟同步技术等几个方面。
Symbol timing and carrier frequency offset will significantly degrade the performance of OFDM(Orthogonal Frequency Division Multiplexing)receiver.
符号、载波偏移严重影响着正交频分复用(OFDM)接收系统的性能。
Then influences of frequency offset and observation interval on symbol timing recovery system under this circumstance were studied.
针对这一特点,研究了加入卡尔曼滤波后频偏及观测时间长度对定时系统性能的影响。
Timing offset causes inter-symbol interference, and frequency offset would destroy the orthogonality between subcarriers, causing ICI, which lead to a sharp decline in overall system performance.
定时偏差会导致码间干扰,频率偏差会破坏子载波间的正交性,引起子载波间干扰,从而使系统整体性能急剧下降。
Timing offset causes inter-symbol interference, and frequency offset would destroy the orthogonality between subcarriers, causing ICI, which lead to a sharp decline in overall system performance.
定时偏差会导致码间干扰,频率偏差会破坏子载波间的正交性,引起子载波间干扰,从而使系统整体性能急剧下降。
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