Fault-tolerant QR decomposition for adaptive signal processing

M. P. Connolly; Patrick Fitzpatrick

doi:10.1117/12.190884

28 October 1994 Fault-tolerant QR decomposition for adaptive signal processing

M. P. Connolly, Patrick Fitzpatrick

Proceedings Volume 2296, Advanced Signal Processing: Algorithms, Architectures, and Implementations V; (1994) https://doi.org/10.1117/12.190884
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We present an algorithm-based fault tolerant scheme for QR decomposition, that extends the well-known Gentleman-Kung-McWhirter triangular systolic array architecture. Assuming that the array is subject to transient faults, widely separated in time and each affecting a single processor, we give an algorithm that corrects the full triangular array with computational overhead equivalent, on average, to the interpolation of a single extra vector into the data stream.

Citation Download Citation

M. P. Connolly and Patrick Fitzpatrick "Fault-tolerant QR decomposition for adaptive signal processing", Proc. SPIE 2296, Advanced Signal Processing: Algorithms, Architectures, and Implementations V, (28 October 1994); https://doi.org/10.1117/12.190884

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