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- The orthogonal frequency division multiplexing (OFDM) is outlined and the error rate is analysed. 著重分析了正交多载波调制(OFDM)技术的原理及在电力线信道下的误码性能。
- Orthogonal frequency division multiplexing (OFDM) is a multi-carrier modulation method. 正交频分多路复用是一种多载波调制技术。
- The design method of a kind of wideband HF date modem based on orthogonal frequency division multiplexing (OFDM) is introduced. 介绍了一种基于正交频分复用(orthogonal frequency division multiplexing,OFDM)技术的宽带短波数据调制解调器的设计方案。
- DRM has become to a international standard of AM broadcast. It modulate by COFDM(Coded Orthogonal Frequency Division Multiplex) technology. DRM数字调幅广播已经成为国际标准，它使用COFDM(Coded Orthogonal Frequency Division Multiplex)调制技术。
- Orthogonal Frequency Division Multiple Access (OFDMA) gains an increasing attention for broadband wireless access (BWA) system. OFDMA在BWA系统中得到越来越多的应用。
- Why DSL can be called a wide band technology is because it exploits OFDM which represents Orthogonal Frequency Division Multiplexing. DSL技术之所以能够被称为宽带技术,主要是由于它的复用方式是OFDM。
- The Multi-Carrier CDMA (MC-CDMA) system combines the advantages of orthogonal frequency division multiplexing (OFDM) system with that of CDMA system. Multi-CarrierCDMA(MC -CDMA)系统结合了正交频分复用 (OFDM)系统和码分多址 (CDMA)系统的优点 ,能比传统CDMA系统提供更高的用户容量 ,因而在 3G中受到了广泛的关注。
- The peak-to-average power ratio of orthogonal frequency division multiplexing(OFDM systems is reduced with an improved constellation extension scheme. 为降低正交频分复用(OFDM)信号的峰均功率比,提出了改进的星座图扩展方法。
- A multicell adaptive resource allocation(MARA) scheme was proposed for downlink orthogonal frequency division multiple access(OFDMA) cellular system. 提出了一种用于正交频分多址通信系统下行链路的多小区自适应资源分配算法(MARA)。
- A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing(OFDM) system was presented. 针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。
- Orthogonal Frequency Division Multiplexing (OFDM) has high spectrum efficiency and capability to mitigate the side-effect of multipath propagation. 正交频分复用(OFDM)技术由于具有较高的频谱效率,而且可以有效地对抗多径传输,已成为高速数据传输的关键技术。
- A novel channel estimation and pilot structure are proposed for multi-input multi-output orthogonal frequency division multiplex (MIMO-OFDM) structure. 摘要提出了一种全新的多入多出正交频分复用(MIMO-OFDM)信道估计和导频设计方案。
- In this thesis, a joint symbol timing and carrier frequency offset estimator is proposed for orthogonal frequency division multiplexing (OFDM) systems. 中文摘要本论文里，我们提出了一个应用在正交分频多工系统中的符元时间与载波频率误差估测器。
- A novel blind channel estimation scheme is proposed for Orthogonal Frequency Division Multiplexing (OFDM) systems employing PSK modulation. 该文提出了一种适用于采用PSK调制方式的正交频分复用(OFDM)系统的准盲信道估计算法。
- A novel blind channel estimation scheme is proposed for orthogonal frequency division multiplexing systems employing PSK modulation. 2．提出了一种适用于采用PSK 调制方式的OFDM 系统的准盲信道估计算法。
- The application of adaptive allocation techniques to OFDM (Orthogonal Frequency Division Multiplexing) systems optimizes the use of system power. 自适应分配技术的应用能优化多用户正交频分复用系统功率的使用。
- Orthogonal Frequency Division Multiplex (OFDM);Multicarrier-Code Division Multiple Access (MC-CDMA);Peak-to-Average Power Ratio;Performance; Preferred. 08正交频分复用;多载波码分多址;峰平功率比;性能;优选
- Modern UWB systems use various modulation techniques, including Orthogonal Frequency Division Multiplexing, to occupy these extremely wide bandwidths. 为了占据非常宽的带宽，现代的UWB技术使用不同的调制技术，其中包括正交频分多路复用。
- OFDM (Orthogonal Frequency Division Multiplex) technique, on which DRM system is based, features with high bandwidth efficiency and robustness to multi-path channel. DRM系统以OFDM(Orthogonal Frequency Division Multiplex)技术为基础,具有高频带利用率和抗多径干扰等特点。
- The joint estimation (JE) method is proposed to combat inter-carrier interference (ICI) problem in ultra-wideband orthogonal frequency division multiplexing (UWB-OFDM) system. 针对超宽带正交频分复用(UWB OFDM)系统存在的子载波间干扰(ICI)问题;提出了联合估计(JE)接收机方法.
