A Survey on Spatial Modulation in Emerging Wireless Systems: Research Progresses and Applications

Miaowen Wen, Beixiong Zheng, Kyeong Jin Kim, Marco Di Renzo, Theodoros A. Tsiftsis, Kwang Cheng Chen, Naofal Al-Dhahir

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)


Spatial modulation (SM) is an innovative and promising digital modulation technology that strikes an appealing tradeoff between spectral efficiency and energy efficiency with a simple design philosophy. SM enjoys plenty of benefits and shows great potential to fulfill the requirements of future wireless communications. The key idea behind SM is to convey additional information typically through the ON/OFF states of transmit antennas and simultaneously save the implementation cost by reducing the number of radio-frequency chains. As a result, the SM concept can have widespread effects on diverse applications and can be applied in other signal domains, such as frequency/time/code/angle domain or even across multiple domains. This survey provides a comprehensive overview of the latest results and progresses in SM research. Specifically, the fundamental principles, variants of system design, and enhancements of SM are described in detail. Furthermore, the integration of the SM family with other promising techniques, applications to emerging communication systems, and extensions to new signal domains are also extensively studied.

Original languageEnglish
Article number8765384
Pages (from-to)1949-1972
Number of pages24
JournalIEEE Journal on Selected Areas in Communications
Issue number9
Publication statusPublished - Sep 2019


  • Spatial modulation (SM)
  • compressed-sensing
  • differential (D)SM
  • generalized (G)SM
  • massive MIMO
  • millimeter-wave communications
  • physical layer security
  • visible light communications

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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