Measurement and nonlinear behavioral modeling of the dynamic bias current in an LTE-A Chireix PA

José Alejandro Galaviz-Aguilar; Hsiu Chen Chang; Francisco Martinez-Rodriguez; Patrick Roblin; José C. Núñez Pérez

doi:10.1002/mop.30817

Measurement and nonlinear behavioral modeling of the dynamic bias current in an LTE-A Chireix PA

José Alejandro Galaviz-Aguilar, Hsiu Chen Chang, Francisco Martinez-Rodriguez, Patrick Roblin, José C. Núñez Pérez

Centro de Investigación y Desarrollo de Tecnología Digital (CITEDI)

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The measurement and modeling of the dynamic power dissipation of a dual-input Chireix power amplifier driven by LTE modulated signals is reported to optimize its dynamic efficiency. Two memory cubic spline FIR and NARMA behavioral models are verified to accurately predict the measured instantaneous PA bias-current and power dissipation as a function of the PA RF output power.

Original language	English
Pages (from-to)	2705-2710
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	59
Issue number	11
DOIs	https://doi.org/10.1002/mop.30817
State	Published - Nov 2017

Keywords

Chireix outphasing amplifier
NARMA
instantaneous bias current
nonlinear modeling

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10.1002/mop.30817

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abstract = "The measurement and modeling of the dynamic power dissipation of a dual-input Chireix power amplifier driven by LTE modulated signals is reported to optimize its dynamic efficiency. Two memory cubic spline FIR and NARMA behavioral models are verified to accurately predict the measured instantaneous PA bias-current and power dissipation as a function of the PA RF output power.",

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AU - Galaviz-Aguilar, José Alejandro

AU - Chang, Hsiu Chen

AU - Martinez-Rodriguez, Francisco

AU - Roblin, Patrick

AU - Núñez Pérez, José C.

PY - 2017/11

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AB - The measurement and modeling of the dynamic power dissipation of a dual-input Chireix power amplifier driven by LTE modulated signals is reported to optimize its dynamic efficiency. Two memory cubic spline FIR and NARMA behavioral models are verified to accurately predict the measured instantaneous PA bias-current and power dissipation as a function of the PA RF output power.

KW - Chireix outphasing amplifier

KW - NARMA

KW - instantaneous bias current

KW - nonlinear modeling

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U2 - 10.1002/mop.30817

DO - 10.1002/mop.30817

M3 - Artículo

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EP - 2710

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 11

ER -

Measurement and nonlinear behavioral modeling of the dynamic bias current in an LTE-A Chireix PA

Abstract

Keywords

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