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RISS 인기검색어
- 검색키워드
- 저자 : Md. Abdullah-Al-Shafi (검색결과 3 건)
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Analysis of Fredkin Logic Circuit in Nanotechnology : An Efficient Approach
Md. Abdullah-Al-Shafi 보안공학연구지원센터 2016 International Journal of Hybrid Information Techno Vol.9 No.2
In last few decades, typical lithography based VLSI technology used to improve higher scale integration, low switching speed and low powered computing of semiconductor constituents. However, this trend meets severe challenges of tunneling, short-channel effects andleakage current. Quantum-dot Cellular Automata (QCA) is one of the promising substitutions to traditional semiconductor-based technology which proposed aunique scheme of information transmutation as well as computation.QCA hold the assurance of rapid speeds, higher switching frequency, highlyscalable feature and notably reduced sizes. In this paper, an efficient layout of fredkin gate is proposed based on QCA and CMOS technology which lessened total covered area, the number of cell and clock, latency timeand number of coplanar wire crossing compared with the earlier design also the VHSIC Hardware Description Language (VHDL) of proposed fredkin gate is presented. For simulating and confirming the proposed circuit QCADesigner and Microwindlite, familiar verification and simulation tools has been occupied. The proposed design has a promising prospective in the organizing of nanoscale low power exhausting information processing system and can stimulate complex digital applications in QCA.
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Mobile On-demand Computing: The Future Generation of Cloud
Md. Abdullah-Al-Shafi,Ali Newaz Bahar,Sajeeb Saha 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.11
Cloud computing furnishes a unique term of computing and becomes a buzzword to its overwhelming trade prospects. Cloud computing achieved an impetus and is remodeling the internet based computing framework as well as raise the proficiency of mobile systems. Mobile cloud computing or on-demand computing is attaining fame among mobile users and mobile devices can use clouds for various exhaustive applications like storage or information processing. Mobile cloud computing overcomes performance-related difficulties such as battery and storage capacity as well as communication and environment connected affairs like security, availability, and privacy. Still, mobile on-demand computing beneath anticipation because of privacy and security perils. This paper presents an analysis of mobile cloud computing along with its architectural basis and challenges as well as the security considerations. The objective of this paper is to subsidize a superior perceptive on mobile cloud computing and identify further imminent research directions.
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Novel Binary to Gray Code Converters in QCA with Power Dissipation Analysis
Md. Abdullah-Al-Shafi,Ali Newaz Bahar 보안공학연구지원센터 2016 International Journal of Multimedia and Ubiquitous Vol.11 No.8
Quantum dot cellular automata (QCA) are pledging nanotechnology which has been used widely in digital circuits and systems. Conventional lithography based VLSI model encounter acute challenges of tunneling, variation of doping and short channel issue. In a remarkably fast development of VLSI technology, it is the cardinal of the age to reach a stable model with area and low power consumption. QCA is a promising alternative to complementary metal–oxide–semiconductor (CMOS) technology with many enticing features such as high-speed, low power consumption and higher switching frequency than transistor based technology. The code converters are the basic unit for transformation of data to execute arithmetic processes. In this paper, a novel QCA based 2-bit binary-to-gray, 3-bit binary-to-gray, and 4-bit binary-to-gray code converter have been proposed. The proposed design reduces the number of cells, area, and raises switching speed. The energy dissipation by the proposed circuits are evaluated which certifies the prospect of QCA nano-circuit presenting as a substitute level for the attainment of reversible circuits. The consistency of the proposed circuits is tested under thermal randomness that reveal the functioning effectiveness of the circuits. The proposed circuits are simulated using QCADesigner and Microwindlite tool which is widely used for simulation and verification.
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