Novel Coding Approach To High Throughput Rate FIR Filter Implementation

A. H. Tewfik; G. E. Sobelman

doi:10.1117/12.962369

6 December 1989 Novel Coding Approach To High Throughput Rate FIR Filter Implementation

A. H. Tewfik, G. E. Sobelman

Proceedings Volume 1154, Real-Time Signal Processing XII; (1989) https://doi.org/10.1117/12.962369
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

The implementation of high throughput rate finite impulse response filters is studied using a geometrical coding point of view. The output of the filter is recognized as the projection of an arbitrary multidimensional input vector of data values onto a fixed coefficient vector. The fixed vector induces a partition of the space of possible input vectors into multidimensional strips. All vectors lying in a single strip produce the same filter output. Based on this observation, we propose to compute the output of the filter at each time instant by finding a codeword that lies in the same strip as the input vector and reading a look-up table entry that corresponds to the codeword.

Citation Download Citation

A. H. Tewfik and G. E. Sobelman "Novel Coding Approach To High Throughput Rate FIR Filter Implementation", Proc. SPIE 1154, Real-Time Signal Processing XII, (6 December 1989); https://doi.org/10.1117/12.962369

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