Analysis of and compensation for non-ideal ROF links in DAS

Authors:
Atso Hekkala;Mika Lasanen;Ilkka Harjula;Luis C. Vieira;Nathan J. Gomes;Anthony Nkansah;Steffen Bittner;Fabian Diehm;Vincent Kotzsch
Affiliations:
VTT Technical Research Centre of Finland;VTT Technical Research Centre of Finland;VTT Technical Research Centre of Finland;University of Kent;University of Kent;University of Kent;Dresden University of Technology;Dresden University of Technology;Dresden University of Technology
Venue:
IEEE Wireless Communications
Year:
2010

Citing 3
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Abstract

Distributed antenna systems have been found to be an elegant solution for the problems arising in high-data-rate wireless communication, particularly in large service areas. This article considers radio over fiber links as an essential part of the DAS, connecting the central unit with the remote antenna units. In particular, we analyze and discuss delays and nonlinearities stemming from the RoF links. In addition, we study the compensation for these impairments. Our studies indicate that the RoF links are a viable and cost-effective solution for implementing the DAS, although some of the RoF link non-idealities require compensation.