Efficient recursive least squares parameter estimation algorithm for accurate nanoCMOS variable gain amplifier performances

With the aggressive scaling of integrated circuit technology, parametric estimation is a critical task for designers who looked for solutions to the challenges of some Nanoscale CMOS parameters. This paper presented the prediction of primary parameters of CMOS transistor for 16 nm to 10 nm process n...

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Veröffentlicht in:International journal of electronics Jg. 107; H. 4; S. 659 - 682
Hauptverfasser: Daoud, Houda, Lahiani, Sawssen, Salem, Samir Ben, Loulou, Mourad
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Abingdon Taylor & Francis 02.04.2020
Taylor & Francis LLC
Schlagworte:
Algorithms
Amplifiers
bisquare weights
Circuit design
CMOS
heuristic algorithm
Integrated circuits
Least squares
Mathematical models
Optimization
Parameter estimation
predicted and optimised Variable Gain Amplifier performances
predictive primary parameters
Process scaling
Recursive methods
RLS algorithm
Transistors
Variable gain
ISSN:0020-7217, 1362-3060
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Zusammenfassung:With the aggressive scaling of integrated circuit technology, parametric estimation is a critical task for designers who looked for solutions to the challenges of some Nanoscale CMOS parameters. This paper presented the prediction of primary parameters of CMOS transistor for 16 nm to 10 nm process nodes using both of Bisquare Weights (BW) method and a novel recursive least squares (RLS) parameter estimation algorithm. The proposed RLS algorithm consists of the minimisation of a quadratic criterion relating to the prediction error in order to attain the best estimated parameters of the developed mathematical model. The obtained results thanks to the proposed RLS algorithm were better than those reached using the BW method. Comparisons between Predictive Technology Model (PTM) data and parameters estimated with RLS algorithm were made to check the validity and the consistency of the proposed algorithm. These predicted primary parameters were helpful to estimate and to optimise the performances of the Variable Gain Amplifier (VGA) which was a basic circuit element with a key role in the design of new upcoming receivers.
Bibliographie:ObjectType-Article-1
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ISSN:0020-7217
1362-3060
DOI:10.1080/00207217.2019.1672806