Fault-Tolerant Techniques for Quantum-dot Cellular Automata Circuits and Systems
Publish place: Signal Processing and Renewable Energy، Vol: 4، Issue: 1
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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JR_SPRE-4-1_002
تاریخ نمایه سازی: 20 فروردین 1399
Abstract:
This paper explains fault tolerance techniques for Quantum-dot cellular automata which offer remarkable robustness to implement QCA arithmetic circuits. It begins with a study of QCA based design. A classification for fault types is presented and some fault tolerance techniques are examined and their relevance for QCA circuits is evaluated. Finally, it is concluded that a combination of two or more hardware redundancy techniques is needed for tolerating faults in QCA circuits and systems. The proper functionality of the presented design is checked by computer simulations using the QCADesigner tool. Simulation results confirm our claims and their usefulness in designing robust digital circuits.
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Authors
Razieh Farazkish
Department of Computer Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
Mani Zarei
Department of Computer Engineering, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran