量子点元胞自动机电路与系统中的同步

IF 1.8 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Orestis Liolis;Vassilios A. Mardiris;Georgios Ch. Sirakoulis;Ioannis G. Karafyllidis
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引用次数: 2

摘要

大规模量子点元胞自动机(QCA)电路的信号同步是QCA设计中最复杂的挑战之一。更具体地说,由于技术的限制,QCA电路的同步问题,特别是在大型电路中,具有相当复杂的特点。本文通过广泛分析QCA电路中信号同步问题的重要特性,提出了一种有效的设计方法来解决这个问题,该方法基于计算机科学中众所周知的射击队同步问题(FSSP)。比较FSSP和QCA电路的同步问题可以发现许多相似之处。在文献中众多的FSSP算法解中,Mazoyer算法被证明是最有效的一种。本文提出了一种新的QCA算法的设计和实现方法。此外,通过对Mazoyer算法的适当修改,我们能够提出QCA电路和系统的通用同步设计方法。该方法采用了一种新颖的冻结技术,可以适用于任何QCA电路和系统,仿真结果表明了这一点。所提出的同步方法是一种通用的设计工具,可以在不增加复杂性的情况下应用于现有的设计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synchronization in Quantum-Dot Cellular Automata Circuits and Systems
Signal synchronization of large scale Quantum-dot Cellular Automata (QCA) circuits is one of the most complex QCA design challenges. More specifically, the QCA circuits synchronization problem, especially in the large circuits, is characterized as rather complex due to technology constraints. In this paper, by extensively analyzing the most important properties of the signal synchronization problem in QCA circuits, we propose an efficient design methodology to tackle the problem, based on the well-known from computer science, Firing Squad Synchronization Problem (FSSP). Comparing FSSP with the QCA circuits synchronization problem many similarities can be found. Among the numerous FSSP's algorithmic solutions in literature, the Mazoyer algorithm has proven to be the most efficient one. In this paper, a novel design and implementation in QCA technology of this algorithm is presented. Moreover, by the appropriate modification of the Mazoyer algorithm, we are able to propose a generic synchronization design methodology for QCA circuits and systems. This method is enhanced by a novel freezing technique, that makes it applicable to any QCA circuit and system as manifested by our corresponding simulation results. The proposed synchronization methodology is a universal design tool, that can be applied to exiting designs without increasing the complexity.
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来源期刊
CiteScore
3.90
自引率
17.60%
发文量
10
审稿时长
12 weeks
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