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Optimal intersymbol transmit windowing for multicarrier modulation

Författare

Summary, in English

Time-domain windowing of transmit blocks in multicarrier transmission is a technique frequently used to improve the properties of the transmit spectrum. An intersymbol window is longer than a multicarrier symbol including its cyclic extension. Before windowing, additional cyclic extensions at the beginning and at the end of each multicarrier symbol are introduced. Since the window only shapes these extended parts of each symbol, the orthogonality of the received basis functions is preserved. Most intersymbol transmit window designs exclusively focus on the spectral properties of the resulting basis functions. In this paper, we propose a window design that is optimal in the sense of maximising the information rate for a Gaussian channel with memory under power spectral density constraints and suggest some design guidelines

Publiceringsår

2006

Språk

Engelska

Sidor

70-73

Publikation/Tidskrift/Serie

2006 7th Nordic Signal Processing Symposium (IEEE Cat. No.06EX1392)

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • time-domain windowing
  • multicarrier transmission
  • transmit spectrum
  • discrete Fourier transform
  • power spectral density constraints
  • Gaussian channel
  • cyclic extension
  • basis function
  • intersymbol transmit window design
  • multicarrier modulation

Conference name

2006 7th Nordic Signal Processing Symposium

Conference date

2006-06-07 - 2006-06-09

Conference place

Rejkjavik, Iceland

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 1-4244-0413-4
  • ISBN: 1-4244-0412-6