A VLSI implementation of logarithmic and exponential functions using a novel parabolic synthesis methodology compared to the CORDIC algorithm
(2011) European Conference on Circuit Theory and Design (ECCTD 2011)- Abstract
- High performance implementations of unary functions are important in many applications e.g. in the wireless communication area. This paper shows the development and VLSI implementation of unary functions like the logarithmic and exponential function, by using a novel approximation methodology based on parabolic synthesis, which is compared to the well known CORDIC algorithm. Both designs are synthesized and implemented on an FPGA and as an ASIC. The results of such implementations are compared with metrics such as performance and area. The performance in the parabolic architecture is shown to exceed the CORDIC architecture by a factor 4.2, in a 65 nm Standard-VT ASIC implementation.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/2027654
- author
- Pouyan, Peyman ; Hertz, Erik LU and Nilsson, Peter LU
- organization
- publishing date
- 2011
- type
- Contribution to conference
- publication status
- published
- subject
- conference name
- European Conference on Circuit Theory and Design (ECCTD 2011)
- conference location
- Linköping, Sweden
- conference dates
- 2011-08-29
- external identifiers
-
- scopus:80155205523
- language
- English
- LU publication?
- yes
- id
- c71bb6e2-2991-47c5-9cba-46ad17876318 (old id 2027654)
- date added to LUP
- 2016-04-04 13:23:24
- date last changed
- 2022-02-06 17:32:23
@misc{c71bb6e2-2991-47c5-9cba-46ad17876318, abstract = {{High performance implementations of unary functions are important in many applications e.g. in the wireless communication area. This paper shows the development and VLSI implementation of unary functions like the logarithmic and exponential function, by using a novel approximation methodology based on parabolic synthesis, which is compared to the well known CORDIC algorithm. Both designs are synthesized and implemented on an FPGA and as an ASIC. The results of such implementations are compared with metrics such as performance and area. The performance in the parabolic architecture is shown to exceed the CORDIC architecture by a factor 4.2, in a 65 nm Standard-VT ASIC implementation.}}, author = {{Pouyan, Peyman and Hertz, Erik and Nilsson, Peter}}, language = {{eng}}, title = {{A VLSI implementation of logarithmic and exponential functions using a novel parabolic synthesis methodology compared to the CORDIC algorithm}}, year = {{2011}}, }