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Optimal Modulation for Known Interference
Royal Institute of Technology (KTH).
Royal Institute of Technology (KTH).ORCID iD: 0000-0002-7599-4367
2007 (English)In: Proceedings of the 32nd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'07), 2007, III-233-III-236 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present a symbol-by-symbol approach to the problem of canceling known interference at the transmitter in a communication system. In the envisioned system, the modulator maps an information symbol (taken from a finite alphabet) and an interference symbol (from the complex field) onto a transmitted constellation point. The demodulator picks the information symbol (as a function of the received symbol) which minimizes the average error probability. We find the optimal modulator-demodulator pair, in the minimum-probability-of-symbol-error sense, via an iterative optimization procedure, for fixed average transmit power. We illustrate that the new scheme can perform close to the no-interference bound, and in particular that it outperforms Tomlinson-Harashima precoding, which is a classical but suboptimal solution to the problem under study.

Place, publisher, year, edition, pages
2007. III-233-III-236 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-42503DOI: 10.1109/ICASSP.2007.366515Local ID: 65145ISBN: 1-4244-0728-1 (print)ISBN: 1-4244-0727-3 (print)OAI: oai:DiVA.org:liu-42503DiVA: diva2:263360
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2016-08-31Bibliographically approved

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Larsson, Erik G.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf