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Nonlinear pre-coding apparatus of multi-antenna system, has pre-coding unit that extents original constellation points of modulated symbols to several constellation points by using limited perturbation vector

Translated title of the contribution: Limited Set Extensions in Non-Linear Pre-Processing
  • Elisabeth De Carvalho (Inventor)
  • , L. Hak Ju (Inventor)
  • , D. Mazzarese (Inventor)
  • , K. Sivanesan (Inventor)
  • , Søren Skovgaard Christensen (Inventor)

Research output: Patent

Abstract

A Coding/Modulating units (200-1-200-N) outputs modulated symbols by modulating coding bit streams based on certain modulation scheme. The limited perturbation vector is calculated by using distribution of perturbation vectors. The original constellation points of modulated symbols are extended to several constellation points by using limited perturbation vector by pre-coding unit (204). One of extended constellation points is selected according to reference value and power normalization unit (208) multiplies power normalization constant to output symbols of pre-coding unit.
Translated title of the contributionLimited Set Extensions in Non-Linear Pre-Processing
Original languageUndefined/Unknown
Patent numberKR2008080722
Filing date05/09/2008
Country/TerritoryKorea, Republic of
Publication statusPublished - 2008

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