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Receiver-oriented clipping-effect mitigation in OFDM - a worthy approach?
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
University of Arizona.
2005 (English)In: OFDM Workshop 2005, 2005Conference paper, Published paper (Refereed)
Abstract [en]

The high peak-to-average power ratio (PAR) in Orthogonal Frequency Division Multiplexing (OFDM) modulation systems can significantly reduce performance and power efficiency. A number of methods exist that combat large signal peaks in the transmitter. Recently several methods have emerged that alleviate the clipping distortion in the receiver. We analyze the performance of two receiver clipping mitigation methods in an OFDM system with Cartesian clipping and low-density parity-check (LDPC) coding. Surprisingly, the cost of completely ignoring clipping in the receiver is minimal, even though we assume that the receiver has perfect knowledge of the channel. The results suggest that clipping mitigation strategies should be concentrated to the transmitter.

Place, publisher, year, edition, pages
2005.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-38036Local ID: c47a8510-95b3-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-38036DiVA: diva2:1011535
Conference
International OFDM-Workshop : 31/08/2005 - 01/09/2005
Note
Godkänd; 2005; 20061227 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

Open Access in DiVA

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Other links

http://www.et2.tu-harburg.de/Veranstaltungen/OFDM/2005/

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
  • html
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