Spatial modulation: Optimal detection and performance analysis

Jeyadeepan Jeganathan, Ali Ghrayeb, Leszek Szczecinski

Research output: Contribution to journalArticle

647 Citations (Scopus)


In this letter, we derive the optimal detector for the so-called spatial modulation (SM) system introduced by Mesleh et al. in [1]. The new detector performs significantly better than the original (∼4 dB gain), and we support our results by deriving a closed form expression for the average bit error probability. As well, we show that SM with the optimal detector achieves performance gains (∼1.5-3 dB) over popular multiple antenna systems, making it an excellent candidate for future wireless communication standards.

Original languageEnglish
Pages (from-to)545-547
Number of pages3
JournalIEEE Communications Letters
Issue number8
Publication statusPublished - 5 Sep 2008



  • Antenna modulation
  • MIMO
  • Maximum likelihood detection
  • Spatial modulation

ASJC Scopus subject areas

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

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