Optimized Architecture for an Adaptive FIR Filter using Distributed Arithmetic

Authors

  • Sathyabhama B Department of Electronics and Communication, Panimalar engineering college, Chennai, India Author
  • Sahaana Harishankar Department of Electronics and Communication, Panimalar engineering college, Chennai, India Author
  • Preetha Department of Electronics and Communication, Panimalar engineering college, Chennai, India Author

Keywords:

Aadaptive filter, Distributed Arithmetic (DA), finite impulse response (FIR), least Mean Square (LMS), lookup table (LUT), Offset Binary Coding (OBC).

Abstract

The architecture is based on distributed arithmetic in which the partial products of filter coefficients are pre-computed. These coefficients are stored in lookup tables (LUTs) and the weighted co-efficient are updated using Offset Binary Coding (OBC).The filtering is done by shift and accumulate operations on these partial products. Thus, it results in lesser area comparatively and this technique can be applied to all FIR based adaptive filter application. Results are obtained using modelsim and Altera Quartus tool.

References

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Published

2014-04-30

Issue

Vol.4, No.2 (Mar/Apr 2014)

Section

Articles

How to Cite

Optimized Architecture for an Adaptive FIR Filter using Distributed Arithmetic. (2014). International Journal of Current Engineering and Technology, 4(2), 783-785. https://ijcet.evegenis.org/index.php/ijcet/article/view/614