一种新型的基于前向向后预测器的低功耗DSP系统

IEEE Workshop onSignal Processing Systems, 2004. SIPS 2004. Pub Date : 2004-12-06 DOI:10.1109/SIPS.2004.1363072

B. Shim, Ming Zhang, N. Shanbhag

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引用次数: 5

摘要

本文提出了一种适用于低功耗数字信号处理系统的算法容噪技术。该技术采用低复杂度的前向后向预测器来校正主DSP (MDSP)块中由于电压过标引起的误差，这是一种超低电压工作条件。对于频率选择性FIR滤波，表明所提出的技术比最佳电压缩放MDSP节省高达43%的功率，面积开销为5%。

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A novel forward-backward predictor based low-power DSP system

In this paper, we present an algorithmic noise tolerance (ANT) technique for low-power digital signal processing systems. The proposed technique employs a low-complexity forward-backward predictor to correct errors in a main DSP (MDSP) block due to voltage overscaling, which is an ultra low-voltage operating condition. For a frequency selective FIR filtering, it is shown that the proposed technique achieves up to 43% power savings over an optimally voltage scaled MDSP with a 5% area overhead.

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来源期刊

IEEE Workshop onSignal Processing Systems, 2004. SIPS 2004.

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