AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS

The modern software defined radios (SDRs) use complex signal processing algorithms to realize efficient wireless communication schemes. Several such algorithms require a specific symbol to sample ratio to be maintained. In this context the fractional rate converter (FRC) becomes a crucial block in t...

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Main Authors: Latha Sahukar, M. Madhavi Latha
Format: Article
Language:English
Published: ICT Academy of Tamil Nadu 2014-09-01
Series:ICTACT Journal on Communication Technology
Subjects:
Online Access:http://ictactjournals.in/paper/IJCT_Paper_5_977_986.pdf
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author Latha Sahukar
M. Madhavi Latha
author_facet Latha Sahukar
M. Madhavi Latha
author_sort Latha Sahukar
collection DOAJ
description The modern software defined radios (SDRs) use complex signal processing algorithms to realize efficient wireless communication schemes. Several such algorithms require a specific symbol to sample ratio to be maintained. In this context the fractional rate converter (FRC) becomes a crucial block in the receiver part of SDR. The paper presents an area optimized dynamic FRC block, for low power SDR applications. The limitations of conventional cascaded interpolator and decimator architecture for FRC are also presented. Extending the SINC function interpolation based architecture; towards high area optimization and providing run time configuration with time register are presented. The area and speed analysis are carried with Xilinx FPGA synthesis tools. Only 15% area occupancy with maximum clock speed of 133 MHz are reported on Spartan-6 Lx45 Field Programmable Gate Array (FPGA).
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spelling doaj.art-21d568beefa049ae8b40170d9ab0028d2022-12-22T01:53:31ZengICT Academy of Tamil NaduICTACT Journal on Communication Technology0976-00912229-69482014-09-0153977986AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOSLatha Sahukar0M. Madhavi Latha1Department of Electronics and Communication Engineering, Aurora’s Technological and Research Institute, IndiaDepartment of Electronics and Communication Engineering, JNTUH College of Engineering Hyderabad, IndiaThe modern software defined radios (SDRs) use complex signal processing algorithms to realize efficient wireless communication schemes. Several such algorithms require a specific symbol to sample ratio to be maintained. In this context the fractional rate converter (FRC) becomes a crucial block in the receiver part of SDR. The paper presents an area optimized dynamic FRC block, for low power SDR applications. The limitations of conventional cascaded interpolator and decimator architecture for FRC are also presented. Extending the SINC function interpolation based architecture; towards high area optimization and providing run time configuration with time register are presented. The area and speed analysis are carried with Xilinx FPGA synthesis tools. Only 15% area occupancy with maximum clock speed of 133 MHz are reported on Spartan-6 Lx45 Field Programmable Gate Array (FPGA).http://ictactjournals.in/paper/IJCT_Paper_5_977_986.pdfDecimationInterpolationSample Rate ConversionFractional Rate Conversion
spellingShingle Latha Sahukar
M. Madhavi Latha
AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
ICTACT Journal on Communication Technology
Decimation
Interpolation
Sample Rate Conversion
Fractional Rate Conversion
title AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
title_full AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
title_fullStr AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
title_full_unstemmed AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
title_short AREA EFFICIENT FRACTIONAL SAMPLE RATE CONVERSION ARCHITECTURE FOR SOFTWARE DEFINED RADIOS
title_sort area efficient fractional sample rate conversion architecture for software defined radios
topic Decimation
Interpolation
Sample Rate Conversion
Fractional Rate Conversion
url http://ictactjournals.in/paper/IJCT_Paper_5_977_986.pdf
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