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OFDM with reduced peak-to-average power ratio by multiple signal representation

RÉDuction du facteur de crÉte en OFDM par reprÉsentation multiple du signal

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Abstract

In this paper two highly effective, flexible and distortionless peak power reduction schemes for orthogonal frequency division multiplexing (ofdm) with low amount of additional complexity and almost vanishing redundancy are presented. The schemes work with arbitrary numbers of subcarriers and signal sets. The first approach generates a set of several alternative multicarrier signals and selects that transmit signal with the lowest peak power value. The second method optimally combines partial transmit sequences to minimize the peak-to-average power ratio (PAR-coefficient). The schemes are analyzed theoretically and their performance is covered by simulations.

Résumé

Deux méthodes sont proposées pour réduire la puissance de crête ďun signal ofdm. Elles sont efficaces, souples et sans distorsion et elles apportent un accroissement faible de la complexité des calculs. De plus elles fonctionnent avec des nombres quelconques. La première méthode produit plusieurs signaux multiporteurs et choisit celui qui a la plus faible puissance de crête pour la transmission. La seconde combine des séquences transmises partielles pour minimiser le facteur de crête. Après ľanalyse théorique, les performances sont évaluées par simulation.

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Authors and Affiliations

  1. Lehrstuhl für Nachrichtentechnik, Universität Erlangen-Nürnberg, Cauerstraβe 7, D-91058, Erlangen, Allemagne

    Stefan H. Müller, Robert F. H. Fischer & Johannes B. Huber

  2. Ericsson Eurolab Deutschland GmbH, Auβere Bayreüther Straβe 350, D-90411, Nürnberg, Allemagne

    Robert W. Bäuml

Authors
  1. Stefan H. Müller
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  2. Robert W. Bäuml
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  3. Robert F. H. Fischer
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  4. Johannes B. Huber
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Correspondence to Stefan H. Müller.

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Supported by Ericsson Eurolab Deutschland GmbH, Nürnberg.

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Müller, S.H., Bäuml, R.W., Fischer, R.F.H. et al. OFDM with reduced peak-to-average power ratio by multiple signal representation. Ann. Télécommun. 52, 58–67 (1997). https://doi.org/10.1007/BF03001051

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  • DOI: https://doi.org/10.1007/BF03001051

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