NDLI: Efficiency-Optimized Reconfigurable Transmitter Architecture by Matching Networks for Multi-band OFDM-Based Standards

Content Provider	IEEE Xplore Digital Library
Author	Perez-Cisneros, J.-R. de Mingo, J. Carro, P.L. Garcia-Ducar, P. Valdovinos, A.
Copyright Year	2015
Description	Author affiliation: Dept. of Electron. Eng. & Commun., Univ. of Zaragoza, Zaragoza, Spain (Perez-Cisneros, J.-R.; de Mingo, J.; Carro, P.L.; Garcia-Ducar, P.; Valdovinos, A.)
Abstract	An efficiency-optimized transmitter architecture for multi-band and OFDM (Orthogonal Frequency Division Multiplexing)-based standards operation is proposed and evaluated. It utilizes a power amplifier (PA) stood on a VDMOS transistor and two reconfigurable matching networks (RMNs). By means of frequency-independent both source and load mismatch correction, the reconfigurability provided by the RMNs allow the architecture to improve power-added efficiency (PAE) at several frequency bands for different OFDM-based standards. In order to obtain the optimum parameters (RMNs state), a meticulous optimization process is completed. Refer to a fixed design approach, PAE is improved for both continuous and OFDM-modulated signals. For the OFDM-modulated wave approach, PAE is improved 52.03% at 410 MHz and 5.86% at 700 MHz, referred to the fixed design. Thus, significant PAE enhancement is achieved, specially at the low frequency band.
Starting Page	1
Ending Page	5
File Size	1882774
Page Count	5
File Format	PDF
ISBN	9781479980888
DOI	10.1109/VTCSpring.2015.7145799
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Computer architecture Radio frequency Standards Wireless communication Frequency modulation Impedance matching
Content Type	Text
Resource Type	Article

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