Enhanced scaling-free CORDIC

FJ Jaime, MA Sánchez, J Hormigo… - … on Circuits and …, 2010 - ieeexplore.ieee.org
Coordinate Rotation DIgital Computer (CORDIC) rotator is a well known and widely used
algorithm within computers due to its way of carrying out some calculations such as …

Efficient CORDIC algorithms and architectures for low area and high throughput implementation

L Vachhani, K Sridharan… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
This paper presents two area-efficient algorithms and their architectures based on CORDIC.
While the first algorithm eliminates ROM and requires only low-complexity barrel shifters, the …

Scale-free hyperbolic CORDIC processor and its application to waveform generation

S Aggarwal, PK Meher, K Khare - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper presents a novel completely scaling-free CORDIC algorithm in rotation mode for
hyperbolic trajectory. We use most-significant-1 bit detection technique for micro-rotation …

Area-time efficient scaling-free CORDIC using generalized micro-rotation selection

S Aggarwal, PK Meher, K Khare - IEEE Transactions on Very …, 2011 - ieeexplore.ieee.org
This paper presents an area-time efficient CORDIC algorithm that completely eliminates the
scale-factor. By suitable selection of the order of approximation of Taylor series the …

An Efficient Scaling-Free Folded Hyperbolic CORDIC Design Using a Novel Low-Complexity Power-of-2 Taylor Series Approximation

A Verma, K Kiyawat, BP Das… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Hyperbolic trigonometric functions are widely used in several engineering and scientific
applications, including digital signal processing (DSP), communication systems, and many …

A memory-efficient tables-and-additions method for accurate computation of elementary functions

JYL Low, CC Jong - IEEE Transactions on Computers, 2012 - ieeexplore.ieee.org
The tables-and-additions methods for accurate computation of elementary functions are fast
in computation speed but require large memory. A memory-efficient method named as the …

Efficient FPGA realization of CORDIC with application to robotic exploration

L Vachhani, K Sridharan… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
We present an area efficient method and field programmable gate array (FPGA) realization
for two common operations in robotics, namely, the following:(1) rotating a vector in 2D and …

Architectural design and FPGA implementation of radix-4 CORDIC processor

K Bhattacharyya, R Biswas, AS Dhar… - Microprocessors and …, 2010 - Elsevier
A new scaled radix-4 CORDIC architecture that incorporates pipelining and parallelism is
presented. The latency of the architecture is n/2 clock cycles and throughput rate is one valid …

Sparse-iteration 4D CORDIC algorithms for multiplying quaternions

M Parfieniuk, SY Park - IEEE Transactions on computers, 2015 - ieeexplore.ieee.org
Novel 4D CORDIC algorithms and hardware architecture for multiplying quaternions are
presented, aimed at constant-coefficient multipliers. In our solution, microrotations are …

Area-energy efficient CORDICs using new elementary-angle-set and base-2 exponent expansions scheme

Y Wang, Y Xue, H You, S Qiao - IEICE Electronics Express, 2021 - jstage.jst.go.jp
Abstract Area-Energy efficient CORDICs are presented. The proposed CORDICs adopt a
new Elementary-Angle-Set, based on which the elementary angle composition of input …