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。
The tradeoff between performance and complexity must be taken into account in channels estimation algorithm of wireless OFDM systems.
无线OFDM系统中基于导频辅助的信道估计必须折衷考虑算法性能与算法复杂度。
After an introduction of the characteristics of wireless access channels, we give out the application traits of OFDM and its basic principles.
在考察了无线信道特性之后，提出了OFDM技术应用的特点，并对OFDM技术的基本原理给出了说明。
Orthogonal frequency division multiplexing (OFDM) can effectively combat the multipath fading of wireless channels and has become another hot point in the area of wireless communications.
正交频分复用(OFDM)技术能够有效的对抗无线信道的频率选择性衰落，成为无线通信领域的另一个研究热点。
The thesis first briefly introduces the characteristics of wireless channels, the basic principles and matrix model of OFDM system.
本文首先简要介绍了无线信道的特点，OFDM系统的基本原理及其矩阵简化模型。
The increasing of symbol duration makes OFDM more robust against multipath transmission, whereas, it makes OFDM more sensitive to the time varying of wireless mobile channels.
符号时间的增加，使得OFDM系统具有良好的抗多径性能，但同时也使OFDM系统对于无线移动信道的时变性更加敏感。
Orthogonal Frequnency Division Multiplexing(OFDM) is suitable for high rate data transmission in wireless channels because it can combat Inter-Symbol Interference and multipath fading efficiently.
正交频分复用（OFDM）技术具有很强的抗符号间干扰、抗多径衰落和时延的能力。并且保持较高的传输速率。
Orthogonal Frequnency Division Multiplexing(OFDM) is suitable for high rate data transmission in wireless channels because it can combat Inter-Symbol Interference and multipath fading efficiently.
正交频分复用（OFDM）技术具有很强的抗符号间干扰、抗多径衰落和时延的能力。并且保持较高的传输速率。
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