Spatial Modulation or Spatial Multiplexing for mmWave Communications?

  • Salma Elkawafi
  • Abdelhamid Younis
  • Raed MeslehEmail author
  • Abdulla Abouda
  • Ahmed Elbarsha
  • Mohammed Elmusrati
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 263)


In this paper, two large scale (LS)–multiple–input multiple–output (MIMO) systems and their performance over 3D statistical outdoor millimeter wave (mmWave) channel model are considered and thoroughly analyzed. Namely, spatial multiplexing (SMX) and spatial modulation (SM) systems are considered. The performance of both systems in terms of average bit error ratio (ABER) and channel capacity are derived and studied. Obtained results divulge that SM can achieve higher theoretical capacity than SMX system. Further, SMX system is shown to offer better ABER and mutual information performance as compared to SM system for the same system configuration. Yet, SM demonstrate significant energy efficiency (EE) enhancement for large scale number of transmit antennas.


Millimeter-wave (mmWave) communication Spatial modulation (SM) Spatial Multiplexing (SMX) Large–scale MIMO (LS–MIMO) 


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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019

Authors and Affiliations

  • Salma Elkawafi
    • 1
  • Abdelhamid Younis
    • 1
  • Raed Mesleh
    • 2
    Email author
  • Abdulla Abouda
    • 3
  • Ahmed Elbarsha
    • 1
  • Mohammed Elmusrati
    • 4
  1. 1.Electrical and Electronics Engineering Department, Faculty of EngineeringUniversity of BenghaziBenghaziLibya
  2. 2.Electrical and Communications Engineering Department, School of Electrical Engineering and Information TechnologyGerman Jordanian UniversityAmmanJordan
  3. 3.Almadar Research and Development OfficeAlmadar Aljadid CompanyTripoliLibya
  4. 4.The Department of Computer ScienceUniversity of VaasaVaasaFinland

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