Redesigned Spatial Modulation for Spatially Correlated Fading Channels G. D. Goutham Simha 1 • Shriharsha Koila 1 • N. Neha 1 • M. A. N. S. Raghavendra 1 • U. Sripati 1 Published online: 11 August 2017 Ó Springer Science+Business Media, LLC 2017 Abstract In this paper, a new variant of Spatial Modulation (SM) Multiple-Input Multiple- Output (MIMO) transmission technique, designated as Redesigned Spatial Modulation (ReSM) has been proposed. In ReSM scheme, a dynamic mapping for antenna selection is adopted. This scheme employs both single antenna as well as double antenna combinations depending upon channel conditions to combat the effect of spatial correlation. When evaluated over spatially correlated channel conditions, for a fixed spectral efficiency and number of transmit antennas, ReSM exhibits performance improvement of at least 3 dB over all the conventional SM schemes including Trellis Coded Spatial Modulation (TCSM) scheme. Furthermore, a closed form expression for the upper bound on Pairwise Error Probability (PEP) for ReSM has been derived. This has been used to calculate the upper bound for the Average Bit Error Probability (ABEP) for spatially correlated channels. The results of Monte Carlo simulations are in good agreement with the predictions made by analytical results. The relative gains of all the comparison plots in the paper are specified at an ABER of 10 -4 . & G. D. Goutham Simha goutham.mah@gmail.com Shriharsha Koila bhatshri29@gmail.com N. Neha nehanie2010@gmail.com M. A. N. S. Raghavendra mans.raghavendra@rediff.com U. Sripati sripati.acharya1@gmail.com 1 Department of Electronics and Communication, National Institute of Technology Karnataka (NITK), Surathkal, Mangalore, India 123 Wireless Pers Commun (2017) 97:5003–5030 https://doi.org/10.1007/s11277-017-4762-6