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A Comparison of Co-Array Fortran and OpenMP Fortran for SPMD Programming
The Journal of Supercomputing, 2002zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Experimental DoA estimation performance of the co-array concept
2017 11th European Conference on Antennas and Propagation (EUCAP), 2017In previous studies, it has been proven that by applying the co-array concept, we can detect the Direction of Arrival (DoA) of more sources with less antenna elements. This paper investigates two parameters that have a crucial influence on the co-arrays' DoA estimation performance in practical tests: near field conditions and a multipath environment.
Jiachen Wang +2 more
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Sparse source localization in presence of co-array perturbations
2015 International Conference on Sampling Theory and Applications (SampTA), 2015New spatial sampling geometries such as nested and coprime arrays have recently been shown to be capable of localizing O(M2) sources using only M sensors. However, these results are based on the assumption that the sampling locations are exactly known and they obey the specific geometry exactly. In contrast, this paper considers an array with perturbed
Ali Koochakzadeh, Piya Pal
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Extended beamforming by sum and difference composite co-array for radio surveillance
2017 IEEE Workshop on Information Forensics and Security (WIFS), 2017This paper presents a way of extended digital beamforming technique by non-uniform array antenna used for radio surveillance. We try to enhance the array degree of freedom (DOF) by combining the concepts of extended (sum and difference) co-arrays, so that we can create a better beampattern with narrower mainbeam and more number of nulls. Performance of
Sho Iwazaki, Koichi Ichige
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A Parallel Numerical Library for Co-array Fortran
2006This paper describes a parallel numerical library based on Co-array Fortran syntax in combination with the object-oriented features of Fortran 95. It defines distributed data structures based on an abstract object called a vector map. It uses co-array syntax, embedded in methods associated with distributed objects, for communication between those ...
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A C++ implementation of the co-array programming model for blue gene/L
Proceedings 16th International Parallel and Distributed Processing Symposium, 2002Blue Gene/L (BG/L) is a 65, 536-node massively parallel computer being developed at the IBM Thomas J. Watson Research Center that promises to revolutionize large-scale scientific computing. However, its size alone will make programming BG/L a major challenge, both from a correctness and from a performance perspective. This has motivated us to look into
Maria Eleftheriou +2 more
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DOA estimation based on multi-resolution difference co-array perspective
Digital Signal Processing, 2017Abstract This paper presents two kinds of K-level co-prime linear array geometries and the corresponding direction of arrival estimation algorithm based on the multi-resolution difference co-array (MRDCA) perspective. The MRDCA can simultaneously improve the degree of freedom and the angle-resolution by utilizing a class of virtual sparse uniform ...
Jianyan Liu +3 more
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Evaluating Co-Array Fortran and Unified Parallel C
2006Abstract : Earlene L. Thompson worked as a summer intern at the U.S. Army Research Laboratory under the auspices of the Programming Environmental and Training component of the Department of Defense High-Performance Computing Modernization Program, Mr. Pressel was her mentor.
Daniel Pressel, Earlene L. Thompson
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Underdetermined Direction of Arrival Estimation by Sum and Difference Composite Co-Array
2018 25th IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2018This paper studies underdetermined direction of arrival (DOA) estimation accuracy by sum and difference composite co-array. We have studied to further enhance the DOF by combining the concepts of the sum co-array and the difference co-array, which is called “sum and difference composite coarray”, and evaluated its beamforming performance.
Sho Iwazaki, Koichi Ichige
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The Prototype Co-Prime Array with a Robust Difference Co-Array
ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2022Ahmed M. A. Shaalan, Jun Du 0002
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