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Wang et al., 2007 - Google Patents

Efficient iterative multiplier structure based on a novel real-time CSD recoding

Wang et al., 2007

View DOC
Document ID
6249244369760039512
Author
Wang Y
DeBrunner L
Zhou D
DeBrunner V
Havlicek J
Publication year
Publication venue
submitted to IEEE Trans. Circuits and Systems I

External Links

Snippet

Real-time implementation of many digital signal processing (DSP) algorithms and multimedia applications is performance limited by the available speed, energy efficiency, and area requirement of multiplication. This is exacerbated in handheld multimedia devices …
Continue reading at hotnsour.ou.edu (DOC) (other versions)

Classifications

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    • G06F7/52—Multiplying; Dividing
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    • G06F7/5334—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
    • G06F7/5336—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
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    • G06F7/5332—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by skipping over strings of zeroes or ones, e.g. using the Booth Algorithm
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    • G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
    • G06F7/5318—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with column wise addition of partial products, e.g. using Wallace tree, Dadda counters
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