Quantum cellular automata
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The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.
2020 IEEE International Symposium on Circuits and Systems (ISCAS)
The International Symposium on Circuits and Systems (ISCAS) is the flagship conference of the IEEE Circuits and Systems (CAS) Society and the world’s premier networking and exchange forum for researchers in the highly active fields of theory, design and implementation of circuits and systems. ISCAS2020 focuses on the deployment of CASS knowledge towards Society Grand Challenges and highlights the strong foundation in methodology and the integration of multidisciplinary approaches which are the distinctive features of CAS contributions. The worldwide CAS community is exploiting such CASS knowledge to change the way in which devices and circuits are understood, optimized, and leveraged in a variety of systems and applications.
The ICASSP meeting is the world's largest and most comprehensive technical conference focused on signal processing and its applications. The conference will feature world-class speakers, tutorials, exhibits, and over 50 lecture and poster sessions.
11th International Conference on Computational Intelligence and Communication Networks (CICN 2017) is organized to address various issues to support intelligentsolutions for society. The aim is to bring together worldwide leading researchers, developers, practitioners and educators interested in advancing the state of the art in computational intelligence and communication networks with the goal of exchanging knowledge that encompasses a broad range of disciplines among various distinct communities. It is expected that researchers will enhance collaboration across disciplines in order to support novel breakthroughs in the field.
This conference is a forum for researchers and designers to present and discuss variousaspects of VLSI design, EDA, embedded systems, and enabling technologies. The program willconsist of regular paper sessions, special sessions, embedded tutorials, panel discussions,design contest, industrial exhibits and tutorials. This is the premier conference/exhibition in thisarea in India, attracting designers, EDA professionals, and EDA tool users. The programcommittee for the conference has a significant representation from the EDA researchcommunity and a large fraction of the papers published in this conference are EDA-related
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.
Computer, the flagship publication of the IEEE Computer Society, publishes peer-reviewed technical content that covers all aspects of computer science, computer engineering, technology, and applications. Computer is a resource that practitioners, researchers, and managers can rely on to provide timely information about current research developments, trends, best practices, and changes in the profession.
International Conference on Design and Test of Integrated Systems in Nanoscale Technology, 2006. DTIS 2006., 2006
This work presents a synthesis technique for implementing totally symmetric Boolean functions around quantum-dot cellular automata (QCA). The basic units of the design are the majority voter (majority gates) and and-or-inverter (AOI). The synthesis of a unate symmetric function is realized with majority gates only. Whereas, the general symmetric functions are realized, following the unate decomposition method, with AOI. The ...
Technology-Based Re-Engineering Engineering Education Proceedings of Frontiers in Education FIE'96 26th Annual Conference, 1996
Based on multivariate data collected over three years, linear regression equations are developed and used to assess student learning in large sections of engineering economy taught at Virginia Tech. In each year (1993, 1994 and 1995), more than 350 students in the fall semester voluntarily participated in this research. This paper presents the principal findings of the study and demonstrates ...
2003 Third IEEE Conference on Nanotechnology, 2003. IEEE-NANO 2003., 2003
Asymmetric spacing is a previously proposed design methodology for removing the possibility of metastable states in Quantum-dot Cellular Automata (QCA). A new three-dimensional architecture is presented which should yield the same effect. Both the asymmetric method and the 3D architecture are compared and contrasted. Simulations on the propagation of a signal down a binary wire indicate that this new architecture ...
Proceedings of the 2001 1st IEEE Conference on Nanotechnology. IEEE-NANO 2001 (Cat. No.01EX516), 2001
Quantum-dot cellular automata are one of several new device architectures whose operation is based on local interactions, much like cellular automata. We have implemented several rule sets for a cellular automaton that could be used to model the behavior of quantum-dot cellular automata and used them to test most of the wire and gate configurations proposed for these devices. Arrangements ...
2008 40th Southeastern Symposium on System Theory (SSST), 2008
Quantum cellular automata (QCA) present an important nanotechnology paradigm to design digital logic. A cell consists of four quantum dots located at the corners of a square. This paper considers the design of complex logic blocks using a fundamental QCA device, which is a three input majority logic gate. Our technique uses the 'disjointing concept', commonly used in the reliability ...
"Reversible/Adiabatic Classical Computation An Overview" (Rebooting Computing)
Local Activity, Memristor, and 137 - Leon Chua: 2016 International Conference on Rebooting Computing
IMS 2012 Microapps - Use of FPGAs for Faster Test Times and Repeatability on Cellular Measurements
From the Quantum Moore's Law toward Silicon Based Universal Quantum Computing - IEEE Rebooting Computing 2017
Millimeter Wave Mobile Communications for 5G Cellular: It Will Work!
Brooklyn 5G Summit 2014: Dr. Robert Heath on Coverage and Capacity Analysis of Dense Millimeter Wave Cellular System
Q&A with Travis Humble: IEEE Rebooting Computing Podcast, Episode 27
Quantum Technologies in Europe: The Quantum Flagship Initiative - Applied Superconductivity Conference 2018
IMS 2014: Design and Analysis of a Low-Profile 28 GHz Beam Steering Antenna Solution for Future 5G Cellular Applications
Physical Restraints on Quantum Circuits - IEEE Rebooting Computing 2017
Developing Our Quantum Future - ICRC 2019 Keynote
Quantum Accelerators for High-Performance Computing Systems - IEEE Rebooting Computing 2017
Part 2: Workshop on Benchmarking Quantum Computational Devices and Systems - ICRC 2018
Superconducting Quantum Computing in China - Applied Superconductivity Conference 2018
Challenges and Opportunities of the NISQ Processors (Noisy Intermediate Scale Quantum Computing) - 2018 IEEE Industry Summit on the Future of Computing
Superconducting quantum computing research in Japan - Applied Superconductivity Conference 2018
Solving Sparse Representation for Image Classification using Quantum D-Wave 2X Machine - IEEE Rebooting Computing 2017
Building a Quantum Computing Community and Ecosystem: Jerry Chow at IEEE Rebooting Computing 2017
RFIC - The Growth of Cellular Communications
This work presents a synthesis technique for implementing totally symmetric Boolean functions around quantum-dot cellular automata (QCA). The basic units of the design are the majority voter (majority gates) and and-or-inverter (AOI). The synthesis of a unate symmetric function is realized with majority gates only. Whereas, the general symmetric functions are realized, following the unate decomposition method, with AOI. The efficiency of proposed synthesis technique is compared with that of conventional CMOS-based designs. The simulation of benchmark functions confirms that the proposed technique results in better designs than that of CMOS based designs
Based on multivariate data collected over three years, linear regression equations are developed and used to assess student learning in large sections of engineering economy taught at Virginia Tech. In each year (1993, 1994 and 1995), more than 350 students in the fall semester voluntarily participated in this research. This paper presents the principal findings of the study and demonstrates the use of multivariate linear regression for evaluating student performance (learning) in engineering economy.
Asymmetric spacing is a previously proposed design methodology for removing the possibility of metastable states in Quantum-dot Cellular Automata (QCA). A new three-dimensional architecture is presented which should yield the same effect. Both the asymmetric method and the 3D architecture are compared and contrasted. Simulations on the propagation of a signal down a binary wire indicate that this new architecture is an effective way to remove the meta- stable states.
Quantum-dot cellular automata are one of several new device architectures whose operation is based on local interactions, much like cellular automata. We have implemented several rule sets for a cellular automaton that could be used to model the behavior of quantum-dot cellular automata and used them to test most of the wire and gate configurations proposed for these devices. Arrangements of cells for which any particular cell has neighbors which are not adjacent to each other generally behave as expected. Unfavorable arrangements of cells such as those with bends and crosses tend to either have incorrect outputs or be unstable for some of the possible inputs. These results suggest that quantum-dot cellular automata need more than strictly local interactions in order to operate correctly.
Quantum cellular automata (QCA) present an important nanotechnology paradigm to design digital logic. A cell consists of four quantum dots located at the corners of a square. This paper considers the design of complex logic blocks using a fundamental QCA device, which is a three input majority logic gate. Our technique uses the 'disjointing concept', commonly used in the reliability literature. Our comparison with two existing approaches shows that the proposed method provides an efficient solution.
Nanotechnology is useful not only for harnessing physical techniques in security applications but also to help researchers use physics theories to prove applications' security strength. Security strength depends on an adversary's inability to perform an operation that valid users can easily perform. Nanotechnology can help resolve the challenge of devising a means to execute this principle and accurately evaluate the adversary's limitations. The idea of enlisting physics theories to devise security applications and prove their strength isn't new. For example, quantum cryptography - which many consider as a revolutionary information security technology -facilitates secure ways to exchange secret keys. Theories from physics, not mathematics, provide the foundation to implement the application and prove its security strength
This paper presents a study and comparison of complementary antenna structures to find an optimized case for the UWB frequency range. An auto-complementary antenna and quasi-complementary antennas are used as a reference to find an optimized quasi-complementary structure. With the optimized structure, the achieved frequency range is up from 2.22 GHz with impedance matching less than -10 dB. After finding the optimized case, the antennas are split to half as a monopole, and the monopole is added to the end of the ground plane of a portable device. With the optimized antenna structure, the -10 dB impedance bandwidth starts from 3.2 GHz without exceeding the -10 dB limit compared to reference. As a final step, a switching capability is studied to achieve frequency response around 1 GHz.
A new algorithm is described that was specially designed for the detection of sharply and abruptly changing vessel dimensions as in complex lesions. The algorithm, the gradient field transform, uses the directional gray value information available in digital arteriograms. The search strategy, which is based on Dijkstra's algorithm, finds a minimal cost edge along a coronary artery, even those with very irregular boundaries. Measurements on copper obstructions with very short lengths demonstrated an overestimation of less than 0.2 mm, while the more conventional minimum cost algorithm overestimated the obstruction diameters by 4 mm.<<ETX>>
The conventional scattering phase matrix is developed based on the assumption that the scatterers are in the far field of one another. In an electrically dense medium where there is more than one scatterer within the distance of a wavelength, this approximation no longer holds. Generally two types of corrections are necessary: the amplitude and the phase correction. In this paper, a new phase matrix for a volume of densely packed discrete random spherical scatterers is discussed. This phase matrix differs from the conventional one in that both amplitude and phase corrections are included. By invoking the antenna array concept, the phase matrix is found to be the Stokes matrix of the single scatterer multiplied by a dense medium phase correction factor. The amplitude correction due to close-spacing appears in the Stokes matrix. Using this phase matrix, the volume scattering coefficient of a unit volume of spherical scatterers is calculated. The backscattering coefficients from a layer of spherical scatterers are also calculated based on the matrix doubling formulation. This study shows that phase coherency and close-spacing amplitude modifications are two separate corrections necessary for an electrically dense medium. When the wavelength decreases, both the volume scattering coefficient and the backscatter of the layer approach the usual results under the far-field condition, even though the scatterers are spatially dense. Whether or not a medium behaves as a dense medium in scattering, the incident wavenumber times the average spacing between adjacent scatterers is the important parameter. Thus, there is a need to distinguish between spatially and electrically dense media.
The Percus-Yevick approximation (P-YA) of pair correlation function for hard spheres is combined with the<tex>T</tex>-matrix formulation to study the coherent wave attenuation of electromagnetic wave propagation in a discrete random medium. The effect of the pair correlation function is seen to be significant at high fractional volumes of the discrete scatterers (<tex>\geq0.125</tex>), but also depends on the frequency of the propagating wave-the effect being less at higher frequencies. The results are compared with previous calculations which employed the "well-stirred approximation" (WSA) for the pair correlation.
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