Research

Elimination of sign precomputation in flat CORDIC


Reference:

Suchitra, S., Sneha, S., Srikanthan, T. and Clarke, C., 2005. Elimination of sign precomputation in flat CORDIC. In: IEEE International Symposium on Circuits and Systems (ISCAS 2005), 2005-05-23 - 2005-05-26, Kobe.

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Official URL:

http://dx.doi.org/10.1109/ISCAS.2005.1465338

Abstract

Flat CORDIC, which was originally proposed to overcome the performance limitations of iterative CORDIC, suffers from the bottleneck of sign prediction prior to the start of computations. Also, this sign precomputation unit has poor scalability. We propose a method for totally eliminating this need for sign precomputation, by directly inferring the directions of rotation from the bipolar representation of the input angle. The proposed engine was implemented using 0.35 micron technology and the resource utilization is reported.

Details

Item Type Conference or Workshop Items (Paper)
CreatorsSuchitra, S., Sneha, S., Srikanthan, T. and Clarke, C.
DOI10.1109/ISCAS.2005.1465338
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
RefereedNo
StatusPublished
ID Code5847

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