Capacity-approaching signal constellations for the additive exponential noise channel

Stephane Y. Le Goff, Zhiguo Ding

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We present a new family of signal constellations, called log constellations, that can be used to design near-capacity coded modulation schemes over additive exponential noise (AEN) channels. Log constellations are designed by geometrically approximating the input distribution that maximizes the AEN channel capacity. The mutual information achievable over AEN channels with both coded modulation (CM) and bit-interleaved coded modulation (BICM) approaches is evaluated for various signal sets via computer simulations.

Original languageBritish English
Article number6196163
Pages (from-to)320-323
Number of pages4
JournalIEEE Wireless Communications Letters
Volume1
Issue number4
DOIs
StatePublished - 2012

Keywords

  • AEN channels
  • BICM
  • modulation constellation

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