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首页> 外文会议>International Symposium on Communications, Control and Signal Processing >Performance Analysis of OFDM and CDMA Using Phase Noise and Frequency Error
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Performance Analysis of OFDM and CDMA Using Phase Noise and Frequency Error

机译：相位噪声和频率误差的OFDM和CDMA的性能分析

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摘要

Two multiple access schemes used for high bit rate II. THEORETICAL BACKGROUND mobile wireless communication systems are compared. This is achieved by modelling OFDM and CDMA downlink waveform signals in order to allow phase noise and frequency error performance analysis. Computation results show that, they seem to suffer similarly from frequency offset errors however differs slightly as far as phase noise is concerned. As most digital communication systems, CDMA and OFDM use a kind of time division for users to access the network. In this analysis focus is on a time slot of the downlink during which many bit streams are being received. Mathematical modelling helps the study of this process.
机译：两个用于高比特率II的多个访问方案。比较理论背景移动无线通信系统。这是通过建模OFDM和CDMA下行链路波形信号来实现，以允许相位噪声和频率误差性能分析。计算结果表明，它们似乎与频率偏移误差类似地遭受，但随着相位噪声的效果略微不同。作为大多数数字通信系统，CDMA和OFDM使用一种时分用于用户访问网络。在该分析中，焦点是在下行链路的时隙，期间正在接收许多比特流。数学建模有助于研究此过程。

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