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Article Navigation >  Journal of University of Electronic Science and Technology of China  > 2010  >  39(2): 306-310,278

MA Shang, HU Jian-hao, YE Yan-long. High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 306-310,278. doi: 10.3969/j.issn.1001-0548.2010.02.033
Citation: MA Shang, HU Jian-hao, YE Yan-long. High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 306-310,278. doi: 10.3969/j.issn.1001-0548.2010.02.033
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High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}

doi: 10.3969/j.issn.1001-0548.2010.02.033
  • 1.

    National Key Laboratory of Science and Technology on Communications,University of Electronic Science and Technology of China Chengdu 611731

  • Received Date: 2008-08-24
  • Rev Recd Date: 2009-10-28
  • Publish Date: 2010-04-15
  • The high efficient very large scale integration (VSLI) implementation of scaling operation for residue number system (RNS) plays an important role in RNS-based digital signal processing (DSP) systems. In this paper, the general algorithm for scaling a positive number in RNS is presented firstly. With the properties of moduli set {2n-1, 2n, 2n+1} and based on the proposed scaling algorithm, an efficient 2n scaling scheme for this moduli set is proposed. Furthermore, the correction factor for negative numbers scaling is also presented. The analysis result shows that the proposed scaler has higher area and power consumption performances compared with the cascaded scaling scheme. The scaler can be used in the design of RNS-based DSP systems.
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High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}

doi: 10.3969/j.issn.1001-0548.2010.02.033
  • 1. National Key Laboratory of Science and Technology on Communications,University of Electronic Science and Technology of China Chengdu 611731
  • Received Date: 2008-08-24
  • Rev Recd Date: 2009-10-28
  • Publish Date: 2010-04-15

Abstract: The high efficient very large scale integration (VSLI) implementation of scaling operation for residue number system (RNS) plays an important role in RNS-based digital signal processing (DSP) systems. In this paper, the general algorithm for scaling a positive number in RNS is presented firstly. With the properties of moduli set {2n-1, 2n, 2n+1} and based on the proposed scaling algorithm, an efficient 2n scaling scheme for this moduli set is proposed. Furthermore, the correction factor for negative numbers scaling is also presented. The analysis result shows that the proposed scaler has higher area and power consumption performances compared with the cascaded scaling scheme. The scaler can be used in the design of RNS-based DSP systems.

MA Shang, HU Jian-hao, YE Yan-long. High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 306-310,278. doi: 10.3969/j.issn.1001-0548.2010.02.033
Citation: MA Shang, HU Jian-hao, YE Yan-long. High Efficient 2n Scaling for RNS {2n-1,2n,2n+1}[J]. Journal of University of Electronic Science and Technology of China, 2010, 39(2): 306-310,278. doi: 10.3969/j.issn.1001-0548.2010.02.033
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