Approaching the Gaussian Channel Capacity With APSK Constellations

  • Hugo Méric
  • Published 2015 in IEEE Communications Letters


We consider the Gaussian channel with power constraint P. A gap exists between the channel capacity and the highest achievable rate of equiprobable uniformly spaced signal. Several approaches enable to overcome this limitation such as constellations with non-uniform probability or constellation shaping. In this letter, we focus on constellation shaping. We… (More)
DOI: 10.1109/LCOMM.2015.2431674


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