协调双对数字传输的简单接收技术

IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record Pub Date : 1991-12-02 DOI:10.1109/GLOCOM.1991.188354

D. Falconer, E. Arnon

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引用次数: 4

摘要

提出并分析了一种简单的协调传输方案，该方案在两个用户环路对上传输独立但相同的PAM(脉冲调幅)编码数据，同时存在来自其他对发射机的近端串扰。利用两对之间的噪声方差和相关性的最大似然检测方案显示出性能的显着改善，特别是如果两对上的信道信噪比存在不平衡，或者如果存在显着的噪声相关性。

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Simple reception techniques for coordinated two-pair digital transmission

Simple coordinated transmission schemes are proposed and analyzed, in which independent but identically PAM (pulse-amplitude-modulation) coded data are transmitted over two subscriber loop pairs in the presence of near-end crosstalk from other pairs' transmitters. A maximum-likelihood detection scheme utilizing noise variance and correlation between the two pairs is shown to yield significant improvement in performance, especially if there is an unbalance in the channel signal-to-noise ratios on the two pairs, or if there is significant noise correlation.<>

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IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record

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