Design of Low Power and Low Complexity Multiplier-less Reconfigurable Non-uniform Channel Filters using Genetic Algorithm

V. Satish Kumar; Elizabeth Elias; Bindiya T.S.

Design of Low Power and Low Complexity Multiplier-less Reconfigurable Non-uniform Channel Filters using Genetic Algorithm

V. Satish Kumar * §

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Elizabeth Elias

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Bindiya T.S.

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National Institute of Technology, Calicut, Kerala, I...

Design of Low Power and Low Complexity Multiplier-less Reconfigurable Non-uniform Channel Filters using Genetic Algorithm

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Abstract

The key requirements of the channel filter in a software defined radio receiver are low power, low complexity and reconfigurability of the architecture used. An architecture based on frequency response masking (FRM) technique is recently reported which offers, reconfigurability at the filter and architecture levels, in addition to the inherent low complexity offered by the FRM technique. In this paper, we propose a modified architecture to reduce the overall complexity by realizing the prototype filter in the FRM technique by another FRM filter. The hardware implementation of the filter calls for the representation of the filter coefficients in the signed power of two (SPT) space. It is well known that if canonic signed digit (CSD) representation is employed in the SPT space, the hardware complexity can further be significantly reduced. Hence it is proposed in this paper to extend the CSD representation to the FRM based digital filters. The design of the FRM filter in the discrete space degrades the performance and this calls for the use of efficient non-linear optimization techniques. We use genetic algorithm (GA) based optimization which brings forth a near optimal solution. This results in very low power and low complexity FRM based multiplier-less reconfigurable non-uniform channel filters.

References

25 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

V. Satish Kumar, Elizabeth Elias, Bindiya T.S.. 2012. "Design of Low Power and Low Complexity Multiplier-less Reconfigurable Non-uniform Channel Filters using Genetic Algorithm". Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 12 (GJRE Volume 12 Issue F6).

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GJRE Volume 12 Issue F6

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

canonic signed digit (CSD)frequency response masking (FRM)genetic algorithm (GA)Reconfigurability signed power of two (Software Defined Radio

Classification

GJRE-F Classification FOR Code: 0906

090699

Submission ReceivedFebruary 5, 2012
Peer Review Double Blind
Handling Editor
Accepted March 1, 2012
Published March 15, 2012

Version of record

v1.2

Issue date

May 30, 2012

Language

English

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Article Matrices

Total Score: 103

Country: India

Subject: Global Journal of Research in Engineering

Authors: Bindiya T.S., V. Satish Kumar, Elizabeth Elias (PhD/Dr. count: 0)

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Publish Date: 2012 03, Thu

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Total Views: 1.3K

Total Downloads: 101

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