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On the number repre...
On the number representation in sub-expression sharing
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- Imran, Muhammad (författare)
- Mittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Electronic design division, STC
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- Khursheed, Khursheed (författare)
- Mittuniversitetet,Institutionen för informationsteknologi och medier (-2013),STC
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- O’ Nills, Mattias (författare)
- Mittuniversitetet,Institutionen för informationsteknologi och medier (-2013)
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- Gustafsson, Oscar (författare)
- Linköpings universitet,Elektroniksystem,Tekniska högskolan
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(creator_code:org_t)
- IEEE conference proceedings, 2010
- 2010
- Engelska.
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Ingår i: International Conference on Signals and Electronic Systems, ICSES'10 - Conference Proceeding 2010. - : IEEE conference proceedings. - 9788390474342 ; , s. 17-20
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- The core of many DSP tasks is Multiplication ofone data with several constants, i.e. in Digital filtering, image processing DCT and DFT. The Modern Portable equipments like Cellular phones and MP3 players which has DSP circuits,involve large number of multiplications of one variable with several constants (MCM) which leads to large area, delay and energy consumption in hardware. Multiplication operation can be realized using addition/subtraction and shifts without general multipliers. Different number representations are used in MCM algorithms and there are differnet views about different representations. Some of the authors termed the Canonic Signed Digit (CSD) representation as better for subexpression sharing. We have compared the results of CSD and Binary representations using our Generalized MCM Algorithm on Random Matrices and come to conclusion that binary representation is better compared to CSD when a system has multiple inputs and multiple outputs.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Multiple Constant Multiplication (MCM)
- CanonicSigned Digit (CSD)
- Minimal Signed Digit (MSD).
- Electrical engineering
- Elektroteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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