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Optical domain multiuser interference estimation for spectral phase encoding optical fibre CDMA systems

机译:用于频谱相位编码光纤CDMA系统的光域多用户干扰估计

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In this paper, an effective technique for reducing the multi-user interference (MUI) in spectrally-phase-encoded optical code division multiple access (SPE-OCDMA) systems has been proposed. In this method the effect of MUI signal on the main user's signal has been decreased using multiuser interference detection (MID). Two structures have been introduced for accomplishing MID and degrading its destructive effect on the decoded ultra-short light pulse; temporal multiuser interference estimation (TMIE) and nonlinear multiuser interference estimation (NMIE). Both of these methods utilize two photo-detectors for estimating the MUI signal. In spite of simple structure of these two receivers, their performance analysis shows an improved performances comparing to other receivers.
机译:本文提出了一种有效的技术来减少频谱相位编码的光码分多址(SPE-OCDMA)系统中的多用户干扰(MUI)。在这种方法中,使用多用户干扰检测(MID)可以减少MUI信号对主要用户信号的影响。引入了两种结构来完成MID并降低其对解码的超短光脉冲的破坏作用。时间多用户干扰估计(TMIE)和非线性多用户干扰估计(NMIE)。这两种方法都利用两个光电检测器来估计MUI信号。尽管这两个接收器的结构简单,但与其他接收器相比,它们的性能分析仍显示出更高的性能。

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