数据驱动的多音回声消除器

IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record Pub Date : 1991-12-02 DOI:10.1109/GLOCOM.1991.188355

J. Cioffi, J. Bingham

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引用次数: 80

摘要

提出了一种多音调制全双工数据传输的数据驱动回波消除器。该回波消除器不会受到信号驱动回波消除器固有的特征值传播问题的影响，并且具有与基带或正交调幅数据传输中使用的数据驱动回波消除器相同的数值性能和消除范围，并且在大多数情况下超过该数值性能和消除范围。该方法利用频域更新，但在时域实现消去。它不会在接收信号路径中引入延迟。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A data-driven multitone echo canceller

A data-driven echo canceller for full-duplex data transmission with multitone modulation is presented. This echo canceller is shown not to be impaired by the eigenvalue-spread problems that are inherent in signal-driven echo cancellers, and to have numerical performance and cancellation range that equals, and in most cases exceeds, that of data-driven echo cancellers used in data transmission with baseband or quadrature amplitude modulation. The method makes use of frequency-domain updating, but with time-domain implementation of the canceller. It introduces no delay into the received signal path.<>

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

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