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DOI: 10.14569/IJACSA.2011.021205
PDF

Very Low Power Viterbi Decoder Employing Minimum Transition and Exchangeless Algorithms for Multimedia Mobile Communication

Author 1: S L Haridas
Author 2: Dr. N. K. Choudhari

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 2 Issue 12, 2011.

  • Abstract and Keywords
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Abstract: A very low power consumption viterbi decoder has been developed by low supply voltage and 0.15 µm CMOS process technology. Significant power reduction can be achieved by modifying the design and implementation of viterbi decoder using conventional techniques traceback and Register Exchange to Hybrid Register Exchange Method (HREM), Minimum Transition Register Exchange Method (MTREM), Minimum Transition Hybrid Register Exchange Method (MTHREM), Register exchangeless Method and Hybrid Register exchangeless Method. By employing the above said schemes such as, HREM, MTREM, MTHREM, Register exchangeless Method and Hybrid Register exchangeless Method; the viterbi decoder achieves a drastic reduction in power consumption below 100 µW at a supply voltage of 1.62 V when the data rate of 5 Mb/s and the bit error rate is less than 10-3. This excellent performance has been paved the way to employing the strong forward error correction and low power consumption portable terminals for personnel communication, mobile multimedia communication and digital audio broadcasting. Implementation insight and general conclusions can particularly benefit from this approach are given.

Keywords: Hybrid register exchange method; minimum transition register exchange method; minimum transition hybrid register exchange method; register exchangeless method; hybrid register exchangeless method.

S L Haridas and Dr. N. K. Choudhari, “Very Low Power Viterbi Decoder Employing Minimum Transition and Exchangeless Algorithms for Multimedia Mobile Communication” International Journal of Advanced Computer Science and Applications(IJACSA), 2(12), 2011. http://dx.doi.org/10.14569/IJACSA.2011.021205

@article{Haridas2011,
title = {Very Low Power Viterbi Decoder Employing Minimum Transition and Exchangeless Algorithms for Multimedia Mobile Communication},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2011.021205},
url = {http://dx.doi.org/10.14569/IJACSA.2011.021205},
year = {2011},
publisher = {The Science and Information Organization},
volume = {2},
number = {12},
author = {S L Haridas and Dr. N. K. Choudhari}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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