OFDM technology will become the core technology for wireless communication in the future, OFDM will be widely used in cognition radio, in the 4G mobile communication and the wireless broadband access.
OFDM技术将成为未来无线通信中的核心技术，在认知无线电、4G移动通信和无线宽带接入等领域得到广泛的应用。
In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.
在目前的OFDM系统中，在任何一个特定的时间，只有一个用户可以在所有副载波上进行传送；利用时分或者频分多路访问机制来支持多个用户。
Because of the ability to combat multipath interference and high spectral efficiency, OFDM has become the first choice of physical layer technology in future broadband wireless access systems.
OFDM技术以其良好的抗多径干扰能力和高频谱利用率成为未来宽带无线接入系统的首选物理层技术。
One of the advantages of OFDM is the flexibility concerning modulation and multiple access techniques.
调制方式和多址接入的灵活性是正交频分复用（OFDM）技术的一大优点。
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。
Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).
介绍了无线接入网中的两种关键技术：OFDM(正交频分复用)和CD MA(码分多址)。
This article emphasises on researches on the MB-OFDM ultra-wide band system and multiple access technology.
本文将MB-OFDM超宽带系统及其关键技术之一多址技术作为研究重点。
For interleave division multiple access (IDMA) combined OFDM system, the PAPR of the transmitted signal is analyzed, and a PAPR reduction method based on variable interleaver designing is proposed.
对于联合交织多址的OFDM系统，分析了交织多址OF DM信号的峰均比分布，并提出一种基于可变交织器设计的峰均比抑制方法。
For interleave division multiple access (IDMA) combined OFDM system, the PAPR of the transmitted signal is analyzed, and a PAPR reduction method based on variable interleaver designing is proposed.
对于联合交织多址的OFDM系统，分析了交织多址OF DM信号的峰均比分布，并提出一种基于可变交织器设计的峰均比抑制方法。
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