Sandia Corporation

Micron Technology Incorporated

Lucent Technologies Inc.

Anand Ganti

David R Resnick

H Lee Ward

Thierry E Klein

Malcolm Carroll

Mark Haner

Ezra Bussmann

James Ewers Levy

Rajib Rahman

Wayne Witzel

Stephen M Carr

Noah Tobias Jacobson

Michael Lilly

Khoi Thi Nguyen

Nathaniel Bishop

Erik Nielsen

Andrew J Landahl

Robin J Blume-Kohout

A quantum computing device that includes a plurality of semiconductor adiabatic qubits is described herein. The qubits are programmed with local biases and coupling terms between qubits that represent a problem of interest. The qubits are initialized by way of a tuneable parameter, a local tunnel coupling within each qubit, such that the qubits remain in a ground energy state, and that initial state is represented by the qubits being in a superposition of |0&#x3e; and |1&#x3e; states. The parameter is altered over time adiabatically or such that relaxation mechanisms maintain a large fraction of ground state occupation through decreasing the tunnel coupling barrier within each qubit with the appropriate schedule. The final state when tunnel coupling is effectively zero represents the solution state to the problem represented in the |0&#x3e; and |1&#x3e; basis, which can be accurately read at each qubit location.

Semiconductor adiabatic qubits

A plurality of columns for a check matrix that implements a distance d linear error correcting code are populated by providing a set of vectors from which to populate the columns, and applying to the set of vectors a filter operation that reduces the set by eliminating therefrom all vectors that would, if used to populate the columns, prevent the check matrix from satisfying a column-wise linear independence requirement associated with check matrices of distance d linear codes. One of the vectors from the reduced set may then be selected to populate one of the columns. The filtering and selecting repeats iteratively until either all of the columns are populated or the number of currently unpopulated columns exceeds the number of vectors in the reduced set. Columns for the check matrix may be processed to reduce the amount of logic needed to implement the check matrix in circuit logic.

Decoding and optimized implementation of SECDED codes over GF(q)

Design, decoding and optimized implementation of SECDED codes over GF(q)

Mobile devices are assigned to their correct base stations after taking into consideration interference from all other mobile devices. The resulting assignments are more efficient than previous assignments. In addition, transmit power levels are assigned after each mobile device is assigned to a base station. The assigned power levels allow for more efficient use of power during the transmission of data signals.

Methods and devices for assigning mobile devices to base stations in the presence of interference

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Albuquerque, NM, United States of America

Anand Ganti