Fault Detection and Soft Errors Correcting Codes Using Parallel FFT
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 8
Abstract
The increasing demand of low complexity and error tolerant design in signal processing systems is a reliability issue at ground level. Complex circuit is consistently affected by soft errors in modern electronic circuits. Fast Fourier transforms (FFTs) plays a key role in many communication and signal processing systems. Different algorithms have been used in earlier techniques for achieving fault tolerant coverage design. In real time application systems, numbers of blocks operating in parallel are frequently used. The proposed work exploits a technique to implement fault tolerance parallel FFT with reduced low complexity of circuit area and power. In Partial summation along with error detection and correction hamming code is used for designing soft error tolerant parallel FFT shelter. This new method achieves lower complexity proportional to that of FFT design size. Based on these two schemes, two modified preserve techniques that combine the use of error correction codes and Partial summation are proposed and evaluated. First method, the Parity-Partial Summation and ECC uses one FFT with minimum Partial Sum blocks for reducing hardware area. Secondly, Parallel Partial Summation ECC used for correcting errors in multiple FFTs protective methods. The result for 4-paralle1 and 6-paralle1 FFTs shows that the proposed technique effectively reduces area and power of fault tolerant design along with improved fault coverage.
Authors and Affiliations
Vennam Ratheeshma , M. Ramakrishna
Keywords
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