A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.
提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
对于传统的OFDM系统来说，如果循环前缀的长度大于信道的时延扩散值，则可以通过简单的频域均衡来解调OF DM信号。
Then analyzes the performance of overcoming inter symbol interference (ISI) and inter channel interference (ICI) of the guard interval (GI) and the cyclic prefix (CP).
接着分析了保护间隔和循环前缀抗符号间干扰(ISI)和信道间干扰(ici)的性能。
SISO MMSE TURBO equalization algorithm is applied to equalizing section, and the characteristics of OFDM's cyclic prefix reduce the complexity of equalization further.
均衡器采用SISOMMSETURBO均衡算法，并利用OFDM系统的循环前缀特性进一步降低算法复杂度。
Simulation results show that the performance of this method approaches that of the STBC-OFDM with cyclic prefix even if the number of iteration is very small.
仿真结果显示，该方法在迭代次数很小时性能便可接近带有循环前缀的STBC - OFDM系统。
We reduce the length of cyclic prefix (CP) while the number of carriers remains invariable and the optimal diversity combination coefficients were deduced.
在保持子载波数恒定的条件下减少循环前缀的长度，并推导出最优分集合并系数。
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。
Under the basis of the existing cyclic prefix (CP) based timing synchronization method, we proposed a new blind timing synchronization method using adaptive beamforming.
基于循环前缀的同步算法实现简单，精度较高，但其仍然是一种半盲同步。
A new blind symbol timing-tracking algorithm is proposed, using the special OFDM frame structure with cyclic prefix and cyclic postfix.
利用具有循环前缀和循环后缀的OFDM帧结构，该文提出了一种新的符号定时跟踪盲估计算法。
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system is presented.
在相干光正交频分复用系统中，本文提出了一种新型的基于循环前缀和虚载波的盲频偏估计方法。
Very comprehensive OFDM source code, sub module to write the m file, after extracting, running the main file, there is a modulation and demodulation, to join the cyclic prefix.
十分全面的OF D M源程序，分模块写的M文件，解压之后，运行主文件，有调制解调，加入循环前缀。功能全面。
This paper presents two novel iterative equalization schemes for orthogonal frequency-division multiplexing (OFDM) systems when the cyclic prefix (CP) is not sufficient.
本文提出两种新的用于循环前缀(CP)不足时正交频分复用(OFDM)系统的迭代均衡方法。
The synchronization algorithm based on the cyclic prefix is simple to achieve, and has a high-precision, but it is still a semi-blind synchronization.
基于循环前缀的同步算法实现简单，精度较高，但其仍然是一种半盲同步。
Moreover, serious ISI (Inter-Symbol Interference) and ICI (Inter-Carrier Interference) can be readily circumvented by introducing CP (Cyclic Prefix).
而且，循环前缀的引入消除了符号间干扰(ISI)，避免了信道间干扰(ici)。
The improved algorithm uses cross-correlation between cyclic prefix and a special sub-vector from vector of received signal to implement channel blind estimation.
改进算法利用接收信号向量中的循环前缀与一个特定子向量作互相关来对信道作盲估计。
The improved algorithm uses cross-correlation between cyclic prefix and a special sub-vector from vector of received signal to implement channel blind estimation.
改进算法利用接收信号向量中的循环前缀与一个特定子向量作互相关来对信道作盲估计。
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