On the Performance of Spatial Modulation MIMO for Full-Duplex Relay Networks

Sandeep Narayanan, H. Ahmadi, M. F. Flanagan

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)


In this paper, we investigate, for the first time, the performance of a full-duplex (FD) relaying protocol, where a single-RF spatial modulation (SM) multiple-input multiple-output (MIMO) system is employed at the relay node. We refer to this protocol as SM-aided FD relaying (SM-FDR). At the destination, a demodulator that takes advantage of the direct connectivity between the source and destination is developed in order to maximize its performance. Based on this demodulator, we introduce a mathematical framework for computing the average error-probability of SM-FDR in the presence of residual self-interference (SI). Furthermore, we derive mathematical expressions for computing the achievable rate of SM-FDR. With the aid of these achievable rate expressions, we provide an estimate on the quality of SI cancellation required for the suitability of FD transmission. In addition, we develop and evaluate three relay selection policies specifically designed for the SM-FDR protocol. The mathematical analysis is substantiated with the aid of extensive Monte Carlo simulations. Finally, we also assess the performance of SM-FDR against traditional FD relaying protocols.
Original languageEnglish
Pages (from-to)3727 - 3746
Issue number6
Publication statusE-pub ahead of print - 27 Mar 2017


  • High definition video
  • MIMO
  • Protocols
  • Relays
  • Silicon
  • Transmitting antennas
  • Wireless communication
  • Full-Duplex
  • Performance Analysis
  • Relaying
  • Spatial Modulation


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