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Experimental system level analysis of a concurrent dual-band power amplifier for WiMAX and WCDMA applications

Published online by Cambridge University Press:  19 March 2009

Alessandro Cidronali ,
Iacopo Magrini ,
Niccolò Giovannelli ,
Massimiliano Mercanti  and
Gianfranco Manes
Alessandro Cidronali*
Affiliation:
Department of Electronics and Telecommunications, University of Florence, V. S. Marta 3, Florence I-50139, Italy. Phone: +39.055.4796411, Fax: +39.055.494569.
Iacopo Magrini
Affiliation:
Department of Electronics and Telecommunications, University of Florence, V. S. Marta 3, Florence I-50139, Italy. Phone: +39.055.4796411, Fax: +39.055.494569.
Niccolò Giovannelli
Affiliation:
Department of Electronics and Telecommunications, University of Florence, V. S. Marta 3, Florence I-50139, Italy. Phone: +39.055.4796411, Fax: +39.055.494569.
Massimiliano Mercanti
Affiliation:
Department of Electronics and Telecommunications, University of Florence, V. S. Marta 3, Florence I-50139, Italy. Phone: +39.055.4796411, Fax: +39.055.494569.
Gianfranco Manes
Affiliation:
Department of Electronics and Telecommunications, University of Florence, V. S. Marta 3, Florence I-50139, Italy. Phone: +39.055.4796411, Fax: +39.055.494569.
*
Corresponding author: A. Cidronali Email: alessandro.cidronali@unifi.it
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Abstract

This paper presents a feasibility study for the implementation of a concurrent dual-band power amplifier (PA) design suitable for 1.98 GHz WCDMA and 3.42 GHz WiMAX digital systems. The proposed PA design was compared with a test bed based on a pair of dedicated single-frequency band PAs. The dual-band PA exhibited simultaneous peak output power levels of 24 and 17 dBm in the lower and in the higher bands to maintain ACPR and EVM requirements below 33 dBc and 5%, respectively. The conclusions drawn in the paper justify the design effort of this innovative solution, which is capable of increasing the PAE for concurrent dual-band operation maintaining the performance of more conventional solutions.

Keywords

Dual bandPower amplifierWiMAXWCDMABeyond 3G wireless systems
Type
Original Article
Information
International Journal of Microwave and Wireless Technologies , Volume 1 , Special Issue 2: TARGET , April 2009 , pp. 99 - 107
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2009

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References

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