Noise Immunity of Oscillatory Computing Devices
Noise Immunity of Oscillatory Computing Devices
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DOI：
10.1109/jxcdc.2020.3046558
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发表时间：
2020-12-01
影响因子：
2.4
通讯作者：
Porod, Wolfgang
中科院分区：
文献类型：
--
作者：
Csaba, Gyorgy;Porod, Wolfgang
我们在嘈杂的环境中比较基于振荡器和基于电平的模拟计算设备。 Hopfield 网络的计算模型是使用基于电平和基于相位的信号表示来实现的，并且这些模型是在假设 1/f 和热噪声的情况下进行模拟的。事实证明，基于振荡器的计算架构更能抵抗 1/f 噪声，并且能够在比基于电平的器件低得多的电压和功率电平下可靠地运行。我们认为这些结果表明了振荡架构的根本优势，并为其研究和实用性提供了重要的理由。
We compare oscillator- and level-based analog computing devices in a noisy environment. The computational model of a Hopfield network is implemented using both level- and phase-based signal representations, and these models are simulated assuming both 1/f and thermal noise. The oscillator-based computing architecture turns out to be more immune against 1/f noise and operates reliably at a significantly lower voltage and power levels than the level-based devices. We argue that these results point toward a fundamental benefit of oscillatory architectures and provide an important rationale for their research and utility.