Networking

On Generalized Spatial Modulation

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Executive Summary

Generalized Spatial Modulation (GSM) is a relatively new modulation scheme for multi-antenna wireless communications. It is quite attractive because of its ability to work with less number of transmit RF chains compared to traditional spatial multiplexing (V-BLAST system). In this paper, the authors show that, by using an optimum combination of number of transmit antennas (Nt) and number of transmit RF chains (Nrf), GSM can achieve better throughput and/or Bit Error Rate (BER) than spatial multiplexing.

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