Fixed-point error analysis of the QR-recursive least square algorithm

PSR Diniz, MG Siqueira - … on Circuits and Systems II: Analog …, 1995 - ieeexplore.ieee.org
This paper presents a detailed analysis of the QR-RLS algorithm in finite and infinite
precision environments. The mean squared values of all internal variables in steady state …

Stability analysis of the qr-recursive least squares algorithm

MG Siqueira, PSR Diniz - Proceedings of 36th Midwest …, 1993 - ieeexplore.ieee.org
This paper presents a detailed stability analysis of the QR-RLS algorithm implemented with
finite-precision arithmetic. The recursive equations describing the quantization error …

Numerical stability properties of a QR-based fast least squares algorithm

PA Regalia - IEEE Transactions on Signal Processing, 1993 - ieeexplore.ieee.org
The numerical stability of a recent QR-based fast least-squares algorithm is established from
a backward stability perspective. A stability domain approach applicable to any least …

Infinite precision analysis of the QR-recursive least squares algorithm

MG Siqueira, PSR Diniz - 1993 IEEE International Symposium …, 1993 - ieeexplore.ieee.org
A detailed analysis is presented of the QR-decomposition/recursive-least-square (RLS)
algorithm in infinite precision, when the input signal samples are not correlated. Equations …

Dynamic range of finite-precision recursive QRD LS algorithm and its stability

KJR Liu - IEEE International Symposium on Circuits and …, 1990 - ieeexplore.ieee.org
It is observed that the cosine parameters generated by boundary cells will eventually reach
quasi-steady-state if lambda is close to one. It is shown that the quasi-steady-state and …

Finite-precision analysis: Fast QR-decomposition algorithm

M Mohammad, S Al-Shebeilli - The 10th IEEE International …, 2010 - ieeexplore.ieee.org
The Fast QR-Decomposition based recursive least-squares (FQRD-RLS) algorithms offer
RLS like convergence and misadjustment, at a lower computational cost, and therefore are …

Infinite precision analysis of the fast QR decomposition RLS algorithm

MG Siqueira, PSR Diniz, A Alwan - Proceedings of IEEE …, 1994 - ieeexplore.ieee.org
This work develops relations for the mean squared value of internal variables in the fast
QRD-RLS. The objective is to derive relations based on known characteristics of input …

A fast least squares QRD-based algorithm for complex data

M Terré, M Bellanger - IEEE transactions on signal processing, 1994 - ieeexplore.ieee.org
The family of QRD-based fast least squares algorithms is extended to complex input and
reference signals. The suitable elementary rotation for complex data is recalled and the …

Finite-precision error analysis of QRD-RLS and STAR-RLS adaptive filters

KJ Raghunath, KK Parhi - IEEE Transactions on Signal …, 1997 - ieeexplore.ieee.org
The QR decomposition-based recursive least-squares (RLS) adaptive filtering (QRD-RLS)
algorithm is suitable for VLSI implementation since it has good numerical properties and can …

Sensitivity analysis of transversal RLS algorithms with correlated inputs

SH Ardalan, T Adali - IEEE International Symposium on …, 1989 - ieeexplore.ieee.org
The effects of input signal correlation on the performance on finite-precision RLS (recursive-
least-squares) algorithms we presented. It is shown that one way to analyze finite-precision …