Orthogonal multiplexing in a subspace of frequency well- localized signals

  • Authors:

  • Jaap van de Beek

  • Affiliations:

  • Huawei Technologies Sweden, Kista, Sweden

  • Venue:
  • IEEE Communications Letters
  • Year:
  • 2010

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Abstract

A multiplexing scheme onto K OFDM subcarriers arranges M≤K dimensions to shape the signal's transmit spectrum while the remaining K-M dimensions are used to orthogonally multiplex data symbols. This results in a new class of basis functions along with an equivalent precoder structure. In particular, N-continuous OFDM signals are realized as an orthogonal multiplex.