Raymond Moberly

A comparison of zero- and minimal-intelligence agendas in majority-rule voting models

Paul J. Brewer, Jeremy Juybari, Raymond Moberly

Abstract Emergent behavior in repeated collective decisions of minimally intelligent agents—who at each step in time invoke majority rule to choose between a status quo and a random challenge—can manifest through the long-term stationary probability distributions of a Markov chain. We use …

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Multi-Qubit Size-Hopping Deutsch-Jozsa Algorithm with Qubit Reordering for Secure Quantum Key Distribution

Rohit De, Raymond Moberly, Colton Beery, Jeremy Juybari et autres

As a classic quantum computing implementation, the Deustch-Jozsa (DJ) algorithm is taught in many courses pertaining to quantum information science and technology (QIST). We exploit the DJ framework as an educational testbed, illustrating fundamental qubit concepts while identifying associated algorithmic challenges. In …

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A comparison of zero and minimal intelligence agendas in majority-rule voting models

Paul J. Brewer, Jeremy Juybari, Raymond Moberly

Emergent behavior in repeated collective decisions of minimally intelligent agents -- who at each step in time invoke majority rule to choose between a status quo and a random challenge -- can manifest through the long-term stationary probability distributions of a Markov …

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Exploring Analog Emulation of Quantum Computation Using Quadrature Modulation

K. M. Sundqvist, Isaac Grubb, Kristopher McBrian, Rohit De et autres

Supergrid Modeling And Operation And Control Of Multi Terminal Dc Grids For The Deployment Of A Meshed Hvdc Grid In South Asia

Farhan Beg, Raymond Moberly

The Indian subcontinent is facing a massive challenge with regards to energy security in its member countries; to provide reliable electricity to facilitate development across various sectors of the economy and consequently achieve the developmental targets. The instability of the current precarious …

A Thinner Thinnest Path Using Directional Transmissions in a Network

Raymond Moberly

The thinnest path is defined herein as the route that minimizes the number of nodes within receiving range of a set of transmitting nodes, where the transmitting nodes act so as to relay a message from its sender to the intended recipient. …

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Quantization of a Low-Density Parity-Check (LDPC) Decoder: Limited-Precision Digital Design of the Sum-Product Algorithm (SPA) for Wireless Voice and Video Communication Channels

Raymond Moberly

of the Dissertation Quantization of a Low-Density Parity-Check (LDPC) Decoder: Limited-Precision Digital Design of the Sum-Product Algorithm (SPA) for Wireless Voice and Video Communication Channels. by Raymond B Moberly Claremont Graduate University and San Diego State University: 2012 This dissertation presents two-bit …

Adaptive Three-Bit LDPC Decoder Quantization

Raymond Moberly, Michael E. O’Sullivan, Khurram Waheed

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LDPC decoder with a limited-precision FPGA-based floating-point multiplication coprocessor

Raymond Moberly, Michael E. O’Sullivan, Khurram Waheed

Implementing the sum-product algorithm, in an FPGA with an embedded processor, invites us to consider a tradeoff between computational precision and computational speed. The algorithm, known outside of the signal processing community as Pearl's belief propagation, is used for iterative soft-decision decoding …

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Computational Performance of Various Formulations of the Iterative Soft-Decision Decoder Algorithm

Raymond Moberly, Michael E. O’Sullivan

Multiple formulations of the soft-decision decoding algorithm have been published based upon Gallagher's foundational work on LDPC codes (R. Gallager, 1962) and Pearl's iterative belief-propagation (1988). Three published formulations are mathematically identical but differ computationally. A formulation is proposed that is computationally …

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