Linear LINC transmitters using dual-polarized power-combining antennas

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Abstract

It is common practice to use nonlinear, high-efficient power amplifiers to transmit non-constant envelope signals using concepts like LINC (linear amplification using nonlinear components). Traditional systems use a power combiner to reconstruct the non-constant envelope RF signal that is fed into the antenna. In this paper, we will investigate the integration of the power combiner with the radiator, resulting in a LINC power-combining antenna concept. Our novel concept uses two polarizations where the full reconstruction of the signal is done at the receiver side. System-level measurements at 2.45 GHz with 32-QAM signals show that our power-combining antenna concept out-performs traditional LINC implementations.

Original languageEnglish
Title of host publication12th European Conference on Antennas and Propagation (EuCAP 2018)
PublisherInstitution of Engineering and Technology (IET)
Number of pages4
ISBN (Electronic)978-1-78561-816-1
ISBN (Print)978-1-78561-815-4
DOIs
Publication statusPublished - 10 Dec 2018
Event12th European Conference on Antennas and Propagation, (EuCAP 2018) - London, United Kingdom
Duration: 9 Apr 201813 Apr 2018
Conference number: 12
http://www.eucap2018.org/

Conference

Conference12th European Conference on Antennas and Propagation, (EuCAP 2018)
Abbreviated titleEuCAP 2018
CountryUnited Kingdom
CityLondon
Period9/04/1813/04/18
Internet address

Keywords

  • Aperture-coupling microstrip antenna
  • Constant envelope signal
  • LINC transmitter
  • Out-phasing transmitter
  • Power combiner
  • Power-combining antenna

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  • Cite this

    Tresnawan, D., Smulders, P. F. M., van Ark, B., & Smolders, A. B. (2018). Linear LINC transmitters using dual-polarized power-combining antennas. In 12th European Conference on Antennas and Propagation (EuCAP 2018) [8568842] Institution of Engineering and Technology (IET). https://doi.org/10.1049/cp.2018.1164