Detail výsledku
Adjacent Channel Interference Cancellation in FDM Transmissions
Maršálek Roman, prof. Ing., Ph.D., UREL (FEKT)
Král Jan, Ing., Ph.D., REL-SIX (FEKT), UREL (FEKT)
Götthans Tomáš, doc. Ing., Ph.D., UREL (FEKT)
Blumenstein Jiří, doc. Ing., Ph.D., UREL (FEKT)
Pospíšil Martin, Ing., Ph.D., UREL (FEKT)
Rupp Markus, Prof., FEKT (FEKT)
Interference between users in adjacent channels negatively affects throughput of mobile networks. In this paper we aim at cancellation of interference caused by a nonlinear power amplifier in a generalized orthogonal frequency division system. We propose an interference cancellation method to subtract these out-of-band emissions from the received signal. In contrast to state-of-the-art methods, our proposed method employs over-the-air estimation of power amplifier model parameters together with a particular frequency domain filtering method that allows to generate the required training data. The proposed interference cancellation method is also verified by an experiment on a software defined radio test bench.
Generalized frequency division multiplex, interference cancellation , nonlinear power amplifier, channel estimation error, out-of-band emission, over-the-air estimation.
@article{BUT165881,
author="Michal {Harvánek} and Roman {Maršálek} and Jan {Král} and Tomáš {Götthans} and Jiří {Blumenstein} and Martin {Pospíšil} and Markus {Rupp}",
title="Adjacent Channel Interference Cancellation in FDM Transmissions",
journal="IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS",
year="2020",
volume="67",
number="12",
pages="5417--5428",
doi="10.1109/TCSI.2020.2995350",
issn="1549-8328",
url="https://ieeexplore.ieee.org/document/9103628"
}