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Offset DMR: A Low Overhead Soft Error Detection and Correction Technique for Transform-Based Convolution

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4 Author(s)
Reviriego, P. ; Univ. Antonio de Nebrija, Madrid, Spain ; Bleakley, C. ; Maestro, Juan Antonio ; O'Donnell, Anne

A novel concurrent soft error detection and correction scheme is introduced for parallel hardware implementations of transform-based convolution. The proposed technique is based on the structure of radix-2 Fast Fourier Transforms (FFT) of length 2n where n is an integer. The scheme can provide up to 100 percent detection and correction of isolated single soft errors in the convolution at the cost of little more than double the system area, rather than triple, as is required when using conventional Triple Modular Redundancy (TMR).

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Computers, IEEE Transactions on  (Volume:60 ,  Issue: 10 )