### Abstract

An algorithm-based fault tolerant method termed the fault tolerant least-mean-squares (FTLMS) algorithm is extended from 1-D to 2-D. The algorithm enables the LMS to correct for a particular type of weight update failure called a stuck-at fault. The key to the algorithm is an overcomplete set of vectors used to transform the input. In developing the 2-D version, the properties of performance-enhancing transforms are investigated, leading to a transform structure that gives the algorithm a more desirable convergence rate. Various transforms are evaluated according to their reduction in eigenvalue ratio (EVR) for stationary inputs.

Original language | English (US) |
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Pages (from-to) | V-301-V-304 |

Journal | Proceedings - IEEE International Symposium on Circuits and Systems |

Volume | 5 |

State | Published - Jan 1 1998 |

Event | Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6) - Monterey, CA, USA Duration: May 31 1998 → Jun 3 1998 |

### All Science Journal Classification (ASJC) codes

- Electrical and Electronic Engineering

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## Cite this

Schmitz, C. D., & Jenkins, W. K. (1998). Algorithm-based fault-tolerant method for the 2-D LMS algorithm.

*Proceedings - IEEE International Symposium on Circuits and Systems*,*5*, V-301-V-304.